======================================
| [  413.177338] lag3: Port device veth2 removed
| [  438.084478] rcu: INFO: rcu_preempt self-detected stall on CPU
| [  438.084597] rcu: 0-....: (25530 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=5136
| [  438.084655] rcu: (t=21000 jiffies g=53861 q=152 ncpus=4)
[  438.084733] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  438.084801] Workqueue: mld mld_ifc_work
[  438.084832] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 438.084869] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[  438.084972] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[  438.085006] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[  438.085048] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[  438.085090] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[  438.085132] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[  438.085174] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[  438.085218] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[  438.085268] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  438.085308] CR2: 00007fcba5b0e4e0 CR3: 0000000002826006 CR4: 0000000000770ef0
[  438.085360] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  438.085403] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  438.085445] PKRU: 55555554
[  438.085459] Call Trace:
[  438.085480]  <IRQ>
[  438.085501] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[  438.085538] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[  438.085572] ? notifier_call_chain (kernel/notifier.c:93) 
[  438.085606] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[  438.085640] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[  438.085674] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[  438.085708] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[  438.085742] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[  438.085769] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[  438.085797] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[  438.085826] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[  438.085859] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[  438.085893] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[  438.085927]  </IRQ>
[  438.085941]  <TASK>
[  438.085955] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[  438.085990] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[  438.086016] netdev_core_pick_tx (net/core/dev.c:4211) 
[  438.086047] __dev_queue_xmit (net/core/dev.c:4295) 
[  438.086076] ? eth_header (net/ethernet/eth.c:85) 
[  438.086103] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[  438.086133] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[  438.086166] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[  438.086200] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[  438.086226] mld_sendpack (net/ipv6/mcast.c:1822) 
[  438.086257] mld_ifc_work (net/ipv6/mcast.c:2652) 
[  438.086283] process_one_work (kernel/workqueue.c:3254) 
[  438.086312] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[  438.086343] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[  438.086370] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[  438.086404] kthread (kernel/kthread.c:388) 
[  438.086431] ? __pfx_kthread (kernel/kthread.c:341) 
[  438.086457] ret_from_fork (arch/x86/kernel/process.c:147) 
[  438.086490] ? __pfx_kthread (kernel/kthread.c:341) 
[  438.086515] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [  465.466486] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 21498 jiffies s: 6153 root: 0x1/.
| [  465.466614] rcu: blocking rcu_node structures (internal RCU debug):
| [  465.466660] Sending NMI from CPU 1 to CPUs 0:
| [  465.466722] NMI backtrace for cpu 0
[  465.466727] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  465.466729] Workqueue: mld mld_ifc_work
[  465.466736] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 465.466740] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[  465.466741] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[  465.466743] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[  465.466744] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[  465.466745] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[  465.466746] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[  465.466746] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[  465.466749] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[  465.466750] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  465.466751] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[  465.466752] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  465.466753] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  465.466753] PKRU: 55555554
[  465.466754] Call Trace:
[  465.466756]  <NMI>
[  465.466761] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[  465.466764] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[  465.466768] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[  465.466772] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[  465.466774] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[  465.466775] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[  465.466779] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[  465.466780] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[  465.466781] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[  465.466782]  </NMI>
[  465.466783]  <TASK>
[  465.466783] netdev_core_pick_tx (net/core/dev.c:4211) 
[  465.466787] __dev_queue_xmit (net/core/dev.c:4295) 
[  465.466789] ? eth_header (net/ethernet/eth.c:85) 
[  465.466793] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[  465.466797] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[  465.466798] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[  465.466802] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[  465.466805] mld_sendpack (net/ipv6/mcast.c:1822) 
[  465.466807] mld_ifc_work (net/ipv6/mcast.c:2652) 
[  465.466809] process_one_work (kernel/workqueue.c:3254) 
[  465.466813] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[  465.466815] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[  465.466817] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[  465.466818] kthread (kernel/kthread.c:388) 
[  465.466821] ? __pfx_kthread (kernel/kthread.c:341) 
[  465.466822] ret_from_fork (arch/x86/kernel/process.c:147) 
[  465.466826] ? __pfx_kthread (kernel/kthread.c:341) 
[  465.466827] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [  465.466831]  </TASK>
| [  501.087478] rcu: INFO: rcu_preempt self-detected stall on CPU
| [  501.087597] rcu: 0-....: (88532 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=20602
| [  501.087659] rcu: (t=84003 jiffies g=53861 q=1564 ncpus=4)
[  501.087741] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  501.087816] Workqueue: mld mld_ifc_work
[  501.087853] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 501.087889] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[  501.087996] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[  501.088029] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[  501.088080] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[  501.088123] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[  501.088166] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[  501.088207] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[  501.088251] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[  501.088298] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  501.088337] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[  501.088381] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  501.088428] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  501.088471] PKRU: 55555554
[  501.088485] Call Trace:
[  501.088503]  <IRQ>
[  501.088529] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[  501.088567] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[  501.088601] ? notifier_call_chain (kernel/notifier.c:93) 
[  501.088635] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[  501.088669] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[  501.088702] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[  501.088736] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[  501.088770] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[  501.088796] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[  501.088825] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[  501.088853] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[  501.088887] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[  501.088920] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[  501.088954]  </IRQ>
[  501.088968]  <TASK>
[  501.088982] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[  501.089016] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[  501.089042] netdev_core_pick_tx (net/core/dev.c:4211) 
[  501.089070] __dev_queue_xmit (net/core/dev.c:4295) 
[  501.089096] ? eth_header (net/ethernet/eth.c:85) 
[  501.089123] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[  501.089150] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[  501.089184] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[  501.089211] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[  501.089238] mld_sendpack (net/ipv6/mcast.c:1822) 
[  501.089264] mld_ifc_work (net/ipv6/mcast.c:2652) 
[  501.089290] process_one_work (kernel/workqueue.c:3254) 
[  501.089318] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[  501.089350] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[  501.089377] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[  501.089411] kthread (kernel/kthread.c:388) 
[  501.089437] ? __pfx_kthread (kernel/kthread.c:341) 
[  501.089464] ret_from_fork (arch/x86/kernel/process.c:147) 
[  501.089490] ? __pfx_kthread (kernel/kthread.c:341) 
[  501.089516] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [  529.467484] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 85499 jiffies s: 6153 root: 0x1/.
| [  529.467695] rcu: blocking rcu_node structures (internal RCU debug):
| [  529.467744] Sending NMI from CPU 1 to CPUs 0:
| [  529.467788] NMI backtrace for cpu 0
[  529.467803] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  529.467804] Workqueue: mld mld_ifc_work
[  529.467810] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 529.467814] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[  529.467815] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[  529.467817] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[  529.467818] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[  529.467819] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[  529.467820] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[  529.467821] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[  529.467824] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[  529.467825] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  529.467826] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[  529.467827] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  529.467827] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  529.467831] PKRU: 55555554
[  529.467832] Call Trace:
[  529.467835]  <NMI>
[  529.467838] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[  529.467841] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[  529.467846] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[  529.467850] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[  529.467852] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[  529.467853] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[  529.467857] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[  529.467858] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[  529.467859] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[  529.467860]  </NMI>
[  529.467861]  <TASK>
[  529.467861] netdev_core_pick_tx (net/core/dev.c:4211) 
[  529.467865] __dev_queue_xmit (net/core/dev.c:4295) 
[  529.467867] ? eth_header (net/ethernet/eth.c:85) 
[  529.467870] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[  529.467874] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[  529.467875] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[  529.467879] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[  529.467882] mld_sendpack (net/ipv6/mcast.c:1822) 
[  529.467884] mld_ifc_work (net/ipv6/mcast.c:2652) 
[  529.467886] process_one_work (kernel/workqueue.c:3254) 
[  529.467890] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[  529.467892] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[  529.467894] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[  529.467895] kthread (kernel/kthread.c:388) 
[  529.467898] ? __pfx_kthread (kernel/kthread.c:341) 
[  529.467899] ret_from_fork (arch/x86/kernel/process.c:147) 
[  529.467903] ? __pfx_kthread (kernel/kthread.c:341) 
[  529.467904] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [  529.467908]  </TASK>
| [  564.090479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [  564.090597] rcu: 0-....: (151534 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=35944
| [  564.090671] rcu: (t=147006 jiffies g=53861 q=1572 ncpus=4)
[  564.090758] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  564.090828] Workqueue: mld mld_ifc_work
[  564.090861] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 564.090893] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[  564.091004] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[  564.091038] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[  564.091081] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[  564.091122] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[  564.091169] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[  564.091225] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[  564.091274] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[  564.091321] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  564.091361] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[  564.091405] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  564.091452] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  564.091497] PKRU: 55555554
[  564.091511] Call Trace:
[  564.091527]  <IRQ>
[  564.091548] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[  564.091595] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[  564.091635] ? notifier_call_chain (kernel/notifier.c:93) 
[  564.091669] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[  564.091703] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[  564.091737] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[  564.091771] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[  564.091804] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[  564.091831] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[  564.091859] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[  564.091887] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[  564.091925] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[  564.091959] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[  564.092000]  </IRQ>
[  564.092018]  <TASK>
[  564.092032] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[  564.092067] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[  564.092093] netdev_core_pick_tx (net/core/dev.c:4211) 
[  564.092121] __dev_queue_xmit (net/core/dev.c:4295) 
[  564.092147] ? eth_header (net/ethernet/eth.c:85) 
[  564.092174] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[  564.092201] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[  564.092235] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[  564.092264] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[  564.092291] mld_sendpack (net/ipv6/mcast.c:1822) 
[  564.092318] mld_ifc_work (net/ipv6/mcast.c:2652) 
[  564.092349] process_one_work (kernel/workqueue.c:3254) 
[  564.092383] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[  564.092420] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[  564.092447] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[  564.092480] kthread (kernel/kthread.c:388) 
[  564.092508] ? __pfx_kthread (kernel/kthread.c:341) 
[  564.092535] ret_from_fork (arch/x86/kernel/process.c:147) 
[  564.092562] ? __pfx_kthread (kernel/kthread.c:341) 
[  564.092589] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [  595.002499] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 151034 jiffies s: 6153 root: 0x1/.
| [  595.002637] rcu: blocking rcu_node structures (internal RCU debug):
| [  595.002679] Sending NMI from CPU 1 to CPUs 0:
| [  595.002721] NMI backtrace for cpu 0
[  595.002727] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  595.002728] Workqueue: mld mld_ifc_work
[  595.002735] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 595.002738] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[  595.002740] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[  595.002741] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[  595.002743] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[  595.002743] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[  595.002744] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[  595.002745] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[  595.002748] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[  595.002749] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  595.002750] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[  595.002751] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  595.002751] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  595.002752] PKRU: 55555554
[  595.002752] Call Trace:
[  595.002755]  <NMI>
[  595.002757] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[  595.002760] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[  595.002765] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[  595.002770] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[  595.002772] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[  595.002773] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[  595.002777] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[  595.002778] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[  595.002779] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[  595.002780]  </NMI>
[  595.002780]  <TASK>
[  595.002781] netdev_core_pick_tx (net/core/dev.c:4211) 
[  595.002785] __dev_queue_xmit (net/core/dev.c:4295) 
[  595.002786] ? eth_header (net/ethernet/eth.c:85) 
[  595.002790] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[  595.002794] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[  595.002795] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[  595.002799] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[  595.002802] mld_sendpack (net/ipv6/mcast.c:1822) 
[  595.002804] mld_ifc_work (net/ipv6/mcast.c:2652) 
[  595.002806] process_one_work (kernel/workqueue.c:3254) 
[  595.002811] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[  595.002813] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[  595.002815] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[  595.002817] kthread (kernel/kthread.c:388) 
[  595.002819] ? __pfx_kthread (kernel/kthread.c:341) 
[  595.002820] ret_from_fork (arch/x86/kernel/process.c:147) 
[  595.002824] ? __pfx_kthread (kernel/kthread.c:341) 
[  595.002825] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [  595.002829]  </TASK>
| [  627.093478] rcu: INFO: rcu_preempt self-detected stall on CPU
| [  627.093604] rcu: 0-....: (214534 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=51217
| [  627.093674] rcu: (t=210009 jiffies g=53861 q=1572 ncpus=4)
[  627.093751] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  627.093815] Workqueue: mld mld_ifc_work
[  627.093846] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 627.093876] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[  627.093971] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[  627.094002] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[  627.094046] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[  627.094089] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[  627.094127] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[  627.094166] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[  627.094206] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[  627.094248] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  627.094285] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[  627.094330] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  627.094373] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  627.094410] PKRU: 55555554
[  627.094423] Call Trace:
[  627.094438]  <IRQ>
[  627.094456] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[  627.094491] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[  627.094522] ? notifier_call_chain (kernel/notifier.c:93) 
[  627.094553] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[  627.094584] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[  627.094616] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[  627.094647] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[  627.094678] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[  627.094703] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[  627.094740] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[  627.094769] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[  627.094800] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[  627.094831] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[  627.094862]  </IRQ>
[  627.094875]  <TASK>
[  627.094888] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[  627.094920] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[  627.094944] netdev_core_pick_tx (net/core/dev.c:4211) 
[  627.094970] __dev_queue_xmit (net/core/dev.c:4295) 
[  627.094994] ? eth_header (net/ethernet/eth.c:85) 
[  627.095018] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[  627.095043] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[  627.095073] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[  627.095099] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[  627.095124] mld_sendpack (net/ipv6/mcast.c:1822) 
[  627.095149] mld_ifc_work (net/ipv6/mcast.c:2652) 
[  627.095173] process_one_work (kernel/workqueue.c:3254) 
[  627.095198] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[  627.095229] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[  627.095253] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[  627.095284] kthread (kernel/kthread.c:388) 
[  627.095309] ? __pfx_kthread (kernel/kthread.c:341) 
[  627.095334] ret_from_fork (arch/x86/kernel/process.c:147) 
[  627.095359] ? __pfx_kthread (kernel/kthread.c:341) 
[  627.095383] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [  660.538532] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 216570 jiffies s: 6153 root: 0x1/.
| [  660.538671] rcu: blocking rcu_node structures (internal RCU debug):
| [  660.538710] Sending NMI from CPU 1 to CPUs 0:
| [  660.538746] NMI backtrace for cpu 0
[  660.538752] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  660.538754] Workqueue: mld mld_ifc_work
[  660.538759] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 660.538762] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[  660.538764] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[  660.538765] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[  660.538767] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[  660.538768] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[  660.538769] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[  660.538770] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[  660.538772] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[  660.538773] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  660.538774] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[  660.538775] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  660.538776] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  660.538776] PKRU: 55555554
[  660.538777] Call Trace:
[  660.538779]  <NMI>
[  660.538786] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[  660.538789] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[  660.538793] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[  660.538798] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[  660.538800] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[  660.538801] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[  660.538805] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[  660.538806] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[  660.538808] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[  660.538809]  </NMI>
[  660.538809]  <TASK>
[  660.538809] netdev_core_pick_tx (net/core/dev.c:4211) 
[  660.538813] __dev_queue_xmit (net/core/dev.c:4295) 
[  660.538815] ? eth_header (net/ethernet/eth.c:85) 
[  660.538818] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[  660.538822] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[  660.538824] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[  660.538827] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[  660.538830] mld_sendpack (net/ipv6/mcast.c:1822) 
[  660.538832] mld_ifc_work (net/ipv6/mcast.c:2652) 
[  660.538834] process_one_work (kernel/workqueue.c:3254) 
[  660.538838] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[  660.538840] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[  660.538842] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[  660.538843] kthread (kernel/kthread.c:388) 
[  660.538845] ? __pfx_kthread (kernel/kthread.c:341) 
[  660.538847] ret_from_fork (arch/x86/kernel/process.c:147) 
[  660.538850] ? __pfx_kthread (kernel/kthread.c:341) 
[  660.538851] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [  660.538855]  </TASK>
| [  690.096479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [  690.096619] rcu: 0-....: (277537 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=66339
| [  690.096704] rcu: (t=273012 jiffies g=53861 q=1580 ncpus=4)
[  690.096794] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  690.096883] Workqueue: mld mld_ifc_work
[  690.096919] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 690.096965] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[  690.097108] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[  690.097155] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[  690.097217] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[  690.097279] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[  690.097340] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[  690.097402] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[  690.097467] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[  690.097530] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  690.097578] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[  690.097638] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  690.097698] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  690.097760] PKRU: 55555554
[  690.097780] Call Trace:
[  690.097802]  <IRQ>
[  690.097823] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[  690.097864] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[  690.097908] ? notifier_call_chain (kernel/notifier.c:93) 
[  690.097947] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[  690.097996] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[  690.098039] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[  690.098077] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[  690.098121] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[  690.098158] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[  690.098200] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[  690.098241] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[  690.098282] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[  690.098330] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[  690.098376]  </IRQ>
[  690.098394]  <TASK>
[  690.098413] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[  690.098460] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[  690.098487] netdev_core_pick_tx (net/core/dev.c:4211) 
[  690.098523] __dev_queue_xmit (net/core/dev.c:4295) 
[  690.098553] ? eth_header (net/ethernet/eth.c:85) 
[  690.098587] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[  690.098615] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[  690.098662] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[  690.098697] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[  690.098726] mld_sendpack (net/ipv6/mcast.c:1822) 
[  690.098763] mld_ifc_work (net/ipv6/mcast.c:2652) 
[  690.098797] process_one_work (kernel/workqueue.c:3254) 
[  690.098836] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[  690.098875] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[  690.098922] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[  690.098962] kthread (kernel/kthread.c:388) 
[  690.098993] ? __pfx_kthread (kernel/kthread.c:341) 
[  690.099024] ret_from_fork (arch/x86/kernel/process.c:147) 
[  690.099058] ? __pfx_kthread (kernel/kthread.c:341) 
[  690.099094] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [  726.074486] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 282106 jiffies s: 6153 root: 0x1/.
| [  726.074623] rcu: blocking rcu_node structures (internal RCU debug):
| [  726.074665] Sending NMI from CPU 1 to CPUs 0:
| [  726.074704] NMI backtrace for cpu 0
[  726.074709] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  726.074710] Workqueue: mld mld_ifc_work
[  726.074715] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 726.074718] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[  726.074720] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[  726.074721] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[  726.074722] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[  726.074723] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[  726.074724] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[  726.074725] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[  726.074727] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[  726.074728] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  726.074729] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[  726.074730] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  726.074731] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  726.074731] PKRU: 55555554
[  726.074732] Call Trace:
[  726.074733]  <NMI>
[  726.074735] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[  726.074737] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[  726.074742] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[  726.074745] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[  726.074747] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[  726.074748] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[  726.074751] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[  726.074752] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[  726.074753] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[  726.074754]  </NMI>
[  726.074754]  <TASK>
[  726.074755] netdev_core_pick_tx (net/core/dev.c:4211) 
[  726.074758] __dev_queue_xmit (net/core/dev.c:4295) 
[  726.074760] ? eth_header (net/ethernet/eth.c:85) 
[  726.074764] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[  726.074767] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[  726.074768] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[  726.074772] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[  726.074774] mld_sendpack (net/ipv6/mcast.c:1822) 
[  726.074777] mld_ifc_work (net/ipv6/mcast.c:2652) 
[  726.074778] process_one_work (kernel/workqueue.c:3254) 
[  726.074782] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[  726.074784] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[  726.074786] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[  726.074787] kthread (kernel/kthread.c:388) 
[  726.074789] ? __pfx_kthread (kernel/kthread.c:341) 
[  726.074791] ret_from_fork (arch/x86/kernel/process.c:147) 
[  726.074794] ? __pfx_kthread (kernel/kthread.c:341) 
[  726.074795] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [  726.074799]  </TASK>
| [  753.099478] rcu: INFO: rcu_preempt self-detected stall on CPU
| [  753.099700] rcu: 0-....: (340539 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=81155
| [  753.099767] rcu: (t=336015 jiffies g=53861 q=1581 ncpus=4)
[  753.099842] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  753.099912] Workqueue: mld mld_ifc_work
[  753.099947] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 753.099980] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[  753.100085] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[  753.100119] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[  753.100160] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[  753.100208] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[  753.100250] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[  753.100292] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[  753.100336] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[  753.100383] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  753.100423] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[  753.100467] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  753.100515] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  753.100557] PKRU: 55555554
[  753.100571] Call Trace:
[  753.100587]  <IRQ>
[  753.100607] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[  753.100644] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[  753.100678] ? notifier_call_chain (kernel/notifier.c:93) 
[  753.100712] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[  753.100746] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[  753.100779] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[  753.100814] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[  753.100848] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[  753.100874] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[  753.100908] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[  753.100936] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[  753.100970] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[  753.101004] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[  753.101037]  </IRQ>
[  753.101051]  <TASK>
[  753.101066] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[  753.101100] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[  753.101127] netdev_core_pick_tx (net/core/dev.c:4211) 
[  753.101154] __dev_queue_xmit (net/core/dev.c:4295) 
[  753.101181] ? eth_header (net/ethernet/eth.c:85) 
[  753.101208] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[  753.101235] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[  753.101269] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[  753.101296] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[  753.101323] mld_sendpack (net/ipv6/mcast.c:1822) 
[  753.101350] mld_ifc_work (net/ipv6/mcast.c:2652) 
[  753.101376] process_one_work (kernel/workqueue.c:3254) 
[  753.101403] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[  753.101437] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[  753.101464] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[  753.101497] kthread (kernel/kthread.c:388) 
[  753.101524] ? __pfx_kthread (kernel/kthread.c:341) 
[  753.101546] ret_from_fork (arch/x86/kernel/process.c:147) 
[  753.101572] ? __pfx_kthread (kernel/kthread.c:341) 
[  753.101593] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [  791.610485] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 347642 jiffies s: 6153 root: 0x1/.
| [  791.610683] rcu: blocking rcu_node structures (internal RCU debug):
| [  791.610726] Sending NMI from CPU 1 to CPUs 0:
| [  791.610768] NMI backtrace for cpu 0
[  791.610773] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  791.610775] Workqueue: mld mld_ifc_work
[  791.610781] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 791.610785] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[  791.610786] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[  791.610788] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[  791.610789] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[  791.610790] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[  791.610791] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[  791.610791] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[  791.610795] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[  791.610796] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  791.610797] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[  791.610797] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  791.610798] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  791.610799] PKRU: 55555554
[  791.610799] Call Trace:
[  791.610801]  <NMI>
[  791.610804] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[  791.610807] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[  791.610811] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[  791.610822] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[  791.610824] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[  791.610826] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[  791.610829] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[  791.610831] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[  791.610832] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[  791.610833]  </NMI>
[  791.610833]  <TASK>
[  791.610833] netdev_core_pick_tx (net/core/dev.c:4211) 
[  791.610837] __dev_queue_xmit (net/core/dev.c:4295) 
[  791.610839] ? eth_header (net/ethernet/eth.c:85) 
[  791.610843] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[  791.610847] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[  791.610849] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[  791.610853] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[  791.610855] mld_sendpack (net/ipv6/mcast.c:1822) 
[  791.610858] mld_ifc_work (net/ipv6/mcast.c:2652) 
[  791.610860] process_one_work (kernel/workqueue.c:3254) 
[  791.610864] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[  791.610866] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[  791.610868] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[  791.610869] kthread (kernel/kthread.c:388) 
[  791.610872] ? __pfx_kthread (kernel/kthread.c:341) 
[  791.610873] ret_from_fork (arch/x86/kernel/process.c:147) 
[  791.610877] ? __pfx_kthread (kernel/kthread.c:341) 
[  791.610878] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [  791.610882]  </TASK>
| [  816.102478] rcu: INFO: rcu_preempt self-detected stall on CPU
| [  816.102714] rcu: 0-....: (403541 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=95815
| [  816.102777] rcu: (t=399018 jiffies g=53861 q=1581 ncpus=4)
[  816.102852] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  816.102916] Workqueue: mld mld_ifc_work
[  816.102949] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 816.102983] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[  816.103086] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[  816.103120] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[  816.103161] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[  816.103204] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[  816.103246] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[  816.103288] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[  816.103332] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[  816.103379] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  816.103419] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[  816.103462] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  816.103509] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  816.103552] PKRU: 55555554
[  816.103565] Call Trace:
[  816.103580]  <IRQ>
[  816.103601] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[  816.103637] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[  816.103671] ? notifier_call_chain (kernel/notifier.c:93) 
[  816.103705] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[  816.103740] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[  816.103773] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[  816.103807] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[  816.103841] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[  816.103868] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[  816.103896] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[  816.103924] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[  816.103958] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[  816.103991] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[  816.104025]  </IRQ>
[  816.104039]  <TASK>
[  816.104053] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[  816.104087] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[  816.104113] netdev_core_pick_tx (net/core/dev.c:4211) 
[  816.104141] __dev_queue_xmit (net/core/dev.c:4295) 
[  816.104167] ? eth_header (net/ethernet/eth.c:85) 
[  816.104194] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[  816.104221] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[  816.104254] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[  816.104281] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[  816.104308] mld_sendpack (net/ipv6/mcast.c:1822) 
[  816.104335] mld_ifc_work (net/ipv6/mcast.c:2652) 
[  816.104361] process_one_work (kernel/workqueue.c:3254) 
[  816.104388] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[  816.104421] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[  816.104448] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[  816.104481] kthread (kernel/kthread.c:388) 
[  816.104503] ? __pfx_kthread (kernel/kthread.c:341) 
[  816.104540] ret_from_fork (arch/x86/kernel/process.c:147) 
[  816.104566] ? __pfx_kthread (kernel/kthread.c:341) 
[  816.104593] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [  857.146489] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 413178 jiffies s: 6153 root: 0x1/.
| [  857.146617] rcu: blocking rcu_node structures (internal RCU debug):
| [  857.146655] Sending NMI from CPU 1 to CPUs 0:
| [  857.146693] NMI backtrace for cpu 0
[  857.146698] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  857.146700] Workqueue: mld mld_ifc_work
[  857.146705] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 857.146708] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[  857.146710] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[  857.146711] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[  857.146712] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[  857.146713] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[  857.146714] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[  857.146715] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[  857.146718] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[  857.146719] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  857.146720] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[  857.146720] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  857.146721] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  857.146722] PKRU: 55555554
[  857.146722] Call Trace:
[  857.146725]  <NMI>
[  857.146727] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[  857.146729] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[  857.146734] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[  857.146738] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[  857.146740] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[  857.146741] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[  857.146744] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[  857.146746] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[  857.146747] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[  857.146748]  </NMI>
[  857.146748]  <TASK>
[  857.146749] netdev_core_pick_tx (net/core/dev.c:4211) 
[  857.146752] __dev_queue_xmit (net/core/dev.c:4295) 
[  857.146754] ? eth_header (net/ethernet/eth.c:85) 
[  857.146757] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[  857.146761] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[  857.146762] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[  857.146766] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[  857.146768] mld_sendpack (net/ipv6/mcast.c:1822) 
[  857.146771] mld_ifc_work (net/ipv6/mcast.c:2652) 
[  857.146773] process_one_work (kernel/workqueue.c:3254) 
[  857.146776] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[  857.146778] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[  857.146780] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[  857.146782] kthread (kernel/kthread.c:388) 
[  857.146784] ? __pfx_kthread (kernel/kthread.c:341) 
[  857.146786] ret_from_fork (arch/x86/kernel/process.c:147) 
[  857.146790] ? __pfx_kthread (kernel/kthread.c:341) 
[  857.146791] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [  857.146795]  </TASK>
| [  879.105478] rcu: INFO: rcu_preempt self-detected stall on CPU
| [  879.105591] rcu: 0-....: (466543 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=110810
| [  879.105649] rcu: (t=462021 jiffies g=53861 q=1581 ncpus=4)
[  879.105719] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  879.105783] Workqueue: mld mld_ifc_work
[  879.105814] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 879.105844] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[  879.105939] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[  879.105970] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[  879.106014] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[  879.106052] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[  879.106090] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[  879.106128] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[  879.106168] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[  879.106212] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  879.106248] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[  879.106287] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  879.106331] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  879.106372] PKRU: 55555554
[  879.106391] Call Trace:
[  879.106405]  <IRQ>
[  879.106424] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[  879.106459] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[  879.106490] ? notifier_call_chain (kernel/notifier.c:93) 
[  879.106522] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[  879.106553] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[  879.106584] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[  879.106616] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[  879.106647] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[  879.106672] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[  879.106703] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[  879.106735] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[  879.106766] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[  879.106797] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[  879.106828]  </IRQ>
[  879.106841]  <TASK>
[  879.106854] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[  879.106886] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[  879.106911] netdev_core_pick_tx (net/core/dev.c:4211) 
[  879.106936] __dev_queue_xmit (net/core/dev.c:4295) 
[  879.106960] ? eth_header (net/ethernet/eth.c:85) 
[  879.106985] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[  879.107010] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[  879.107041] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[  879.107067] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[  879.107091] mld_sendpack (net/ipv6/mcast.c:1822) 
[  879.107117] mld_ifc_work (net/ipv6/mcast.c:2652) 
[  879.107141] process_one_work (kernel/workqueue.c:3254) 
[  879.107166] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[  879.107197] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[  879.107222] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[  879.107253] kthread (kernel/kthread.c:388) 
[  879.107278] ? __pfx_kthread (kernel/kthread.c:341) 
[  879.107303] ret_from_fork (arch/x86/kernel/process.c:147) 
[  879.107328] ? __pfx_kthread (kernel/kthread.c:341) 
[  879.107353] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [  922.682491] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 478714 jiffies s: 6153 root: 0x1/.
| [  922.682706] rcu: blocking rcu_node structures (internal RCU debug):
| [  922.682747] Sending NMI from CPU 1 to CPUs 0:
| [  922.682784] NMI backtrace for cpu 0
[  922.682790] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  922.682791] Workqueue: mld mld_ifc_work
[  922.682797] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 922.682801] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[  922.682802] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[  922.682804] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[  922.682805] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[  922.682806] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[  922.682807] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[  922.682807] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[  922.682810] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[  922.682811] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  922.682812] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[  922.682813] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  922.682813] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  922.682814] PKRU: 55555554
[  922.682815] Call Trace:
[  922.682817]  <NMI>
[  922.682819] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[  922.682822] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[  922.682826] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[  922.682830] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[  922.682832] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[  922.682834] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[  922.682837] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[  922.682838] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[  922.682839] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[  922.682840]  </NMI>
[  922.682841]  <TASK>
[  922.682841] netdev_core_pick_tx (net/core/dev.c:4211) 
[  922.682845] __dev_queue_xmit (net/core/dev.c:4295) 
[  922.682847] ? eth_header (net/ethernet/eth.c:85) 
[  922.682850] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[  922.682854] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[  922.682856] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[  922.682860] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[  922.682862] mld_sendpack (net/ipv6/mcast.c:1822) 
[  922.682865] mld_ifc_work (net/ipv6/mcast.c:2652) 
[  922.682867] process_one_work (kernel/workqueue.c:3254) 
[  922.682871] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[  922.682873] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[  922.682874] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[  922.682876] kthread (kernel/kthread.c:388) 
[  922.682879] ? __pfx_kthread (kernel/kthread.c:341) 
[  922.682880] ret_from_fork (arch/x86/kernel/process.c:147) 
[  922.682884] ? __pfx_kthread (kernel/kthread.c:341) 
[  922.682885] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [  922.682889]  </TASK>
| [  942.108480] rcu: INFO: rcu_preempt self-detected stall on CPU
| [  942.108600] rcu: 0-....: (529546 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=125731
| [  942.108667] rcu: (t=525024 jiffies g=53861 q=1581 ncpus=4)
[  942.108754] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  942.108824] Workqueue: mld mld_ifc_work
[  942.108863] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 942.108902] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[  942.109007] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[  942.109041] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[  942.109094] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[  942.109136] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[  942.109184] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[  942.109232] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[  942.109281] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[  942.109331] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  942.109370] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[  942.109419] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  942.109466] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  942.109514] PKRU: 55555554
[  942.109534] Call Trace:
[  942.109551]  <IRQ>
[  942.109574] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[  942.109615] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[  942.109650] ? notifier_call_chain (kernel/notifier.c:93) 
[  942.109689] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[  942.109726] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[  942.109760] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[  942.109798] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[  942.109836] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[  942.109866] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[  942.109900] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[  942.109941] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[  942.109980] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[  942.110014] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[  942.110052]  </IRQ>
[  942.110073]  <TASK>
[  942.110094] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[  942.110132] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[  942.110159] netdev_core_pick_tx (net/core/dev.c:4211) 
[  942.110192] __dev_queue_xmit (net/core/dev.c:4295) 
[  942.110217] ? eth_header (net/ethernet/eth.c:85) 
[  942.110249] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[  942.110281] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[  942.110315] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[  942.110347] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[  942.110374] mld_sendpack (net/ipv6/mcast.c:1822) 
[  942.110401] mld_ifc_work (net/ipv6/mcast.c:2652) 
[  942.110431] process_one_work (kernel/workqueue.c:3254) 
[  942.110462] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[  942.110495] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[  942.110522] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[  942.110556] kthread (kernel/kthread.c:388) 
[  942.110584] ? __pfx_kthread (kernel/kthread.c:341) 
[  942.110611] ret_from_fork (arch/x86/kernel/process.c:147) 
[  942.110641] ? __pfx_kthread (kernel/kthread.c:341) 
[  942.110668] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [  988.218507] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 544250 jiffies s: 6153 root: 0x1/.
| [  988.218702] rcu: blocking rcu_node structures (internal RCU debug):
| [  988.218746] Sending NMI from CPU 1 to CPUs 0:
| [  988.218788] NMI backtrace for cpu 0
[  988.218797] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[  988.218799] Workqueue: mld mld_ifc_work
[  988.218808] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 988.218813] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[  988.218815] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[  988.218816] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[  988.218818] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[  988.218819] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[  988.218820] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[  988.218821] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[  988.218824] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[  988.218825] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[  988.218826] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[  988.218827] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[  988.218827] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[  988.218828] PKRU: 55555554
[  988.218828] Call Trace:
[  988.218832]  <NMI>
[  988.218835] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[  988.218839] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[  988.218846] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[  988.218851] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[  988.218854] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[  988.218855] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[  988.218860] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[  988.218862] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[  988.218863] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[  988.218864]  </NMI>
[  988.218864]  <TASK>
[  988.218865] netdev_core_pick_tx (net/core/dev.c:4211) 
[  988.218869] __dev_queue_xmit (net/core/dev.c:4295) 
[  988.218871] ? eth_header (net/ethernet/eth.c:85) 
[  988.218876] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[  988.218881] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[  988.218882] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[  988.218887] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[  988.218890] mld_sendpack (net/ipv6/mcast.c:1822) 
[  988.218893] mld_ifc_work (net/ipv6/mcast.c:2652) 
[  988.218895] process_one_work (kernel/workqueue.c:3254) 
[  988.218900] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[  988.218901] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[  988.218903] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[  988.218905] kthread (kernel/kthread.c:388) 
[  988.218908] ? __pfx_kthread (kernel/kthread.c:341) 
[  988.218910] ret_from_fork (arch/x86/kernel/process.c:147) 
[  988.218914] ? __pfx_kthread (kernel/kthread.c:341) 
[  988.218916] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [  988.218921]  </TASK>
| [ 1005.111478] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 1005.111592] rcu: 0-....: (592548 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=140602
| [ 1005.111664] rcu: (t=588027 jiffies g=53861 q=1581 ncpus=4)
[ 1005.111745] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1005.111821] Workqueue: mld mld_ifc_work
[ 1005.111862] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1005.111899] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 1005.112009] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 1005.112045] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 1005.112096] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 1005.112147] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 1005.112198] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 1005.112248] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 1005.112300] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 1005.112351] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1005.112394] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 1005.112447] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1005.112496] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1005.112547] PKRU: 55555554
[ 1005.112562] Call Trace:
[ 1005.112579]  <IRQ>
[ 1005.112600] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 1005.112641] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 1005.112678] ? notifier_call_chain (kernel/notifier.c:93) 
[ 1005.112715] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 1005.112754] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 1005.112790] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 1005.112825] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 1005.112865] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 1005.112894] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 1005.112930] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 1005.112966] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 1005.113002] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 1005.113037] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 1005.113073]  </IRQ>
[ 1005.113088]  <TASK>
[ 1005.113104] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1005.113141] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1005.113171] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 1005.113205] __dev_queue_xmit (net/core/dev.c:4295) 
[ 1005.113233] ? eth_header (net/ethernet/eth.c:85) 
[ 1005.113262] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 1005.113290] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 1005.113325] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 1005.113355] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 1005.113383] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 1005.113412] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 1005.113441] process_one_work (kernel/workqueue.c:3254) 
[ 1005.113469] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1005.113505] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 1005.113533] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1005.113569] kthread (kernel/kthread.c:388) 
[ 1005.113598] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1005.113627] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 1005.113659] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1005.113687] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 1053.755489] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 609787 jiffies s: 6153 root: 0x1/.
| [ 1053.755692] rcu: blocking rcu_node structures (internal RCU debug):
| [ 1053.755733] Sending NMI from CPU 1 to CPUs 0:
| [ 1053.755773] NMI backtrace for cpu 0
[ 1053.755782] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1053.755784] Workqueue: mld mld_ifc_work
[ 1053.755794] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1053.755798] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 1053.755800] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 1053.755801] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 1053.755803] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 1053.755804] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 1053.755805] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 1053.755806] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 1053.755808] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 1053.755809] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1053.755810] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 1053.755811] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1053.755812] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1053.755812] PKRU: 55555554
[ 1053.755813] Call Trace:
[ 1053.755816]  <NMI>
[ 1053.755820] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 1053.755824] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 1053.755830] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 1053.755834] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 1053.755838] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 1053.755839] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 1053.755844] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1053.755845] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1053.755846] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1053.755847]  </NMI>
[ 1053.755847]  <TASK>
[ 1053.755848] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 1053.755852] __dev_queue_xmit (net/core/dev.c:4295) 
[ 1053.755854] ? eth_header (net/ethernet/eth.c:85) 
[ 1053.755859] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 1053.755864] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 1053.755866] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 1053.755870] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 1053.755873] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 1053.755875] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 1053.755877] process_one_work (kernel/workqueue.c:3254) 
[ 1053.755881] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1053.755883] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 1053.755885] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1053.755887] kthread (kernel/kthread.c:388) 
[ 1053.755889] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1053.755890] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 1053.755894] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1053.755896] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 1053.755901]  </TASK>
| [ 1068.114479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 1068.114598] rcu: 0-....: (655550 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=155318
| [ 1068.114667] rcu: (t=651030 jiffies g=53861 q=1581 ncpus=4)
[ 1068.114747] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1068.114816] Workqueue: mld mld_ifc_work
[ 1068.114853] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1068.114891] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 1068.115001] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 1068.115035] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 1068.115083] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 1068.115130] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 1068.115178] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 1068.115226] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 1068.115278] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 1068.115328] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1068.115368] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 1068.115417] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1068.115463] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1068.115513] PKRU: 55555554
[ 1068.115532] Call Trace:
[ 1068.115549]  <IRQ>
[ 1068.115569] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 1068.115610] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 1068.115644] ? notifier_call_chain (kernel/notifier.c:93) 
[ 1068.115683] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 1068.115724] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 1068.115758] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 1068.115793] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 1068.115832] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 1068.115862] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 1068.115896] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 1068.115931] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 1068.115966] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 1068.116002] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 1068.116039]  </IRQ>
[ 1068.116059]  <TASK>
[ 1068.116079] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1068.116124] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1068.116150] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 1068.116177] __dev_queue_xmit (net/core/dev.c:4295) 
[ 1068.116203] ? eth_header (net/ethernet/eth.c:85) 
[ 1068.116231] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 1068.116257] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 1068.116290] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 1068.116322] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 1068.116348] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 1068.116376] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 1068.116402] process_one_work (kernel/workqueue.c:3254) 
[ 1068.116434] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1068.116473] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 1068.116501] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1068.116534] kthread (kernel/kthread.c:388) 
[ 1068.116561] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1068.116588] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 1068.116615] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1068.116642] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 1119.290490] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 675322 jiffies s: 6153 root: 0x1/.
| [ 1119.290629] rcu: blocking rcu_node structures (internal RCU debug):
| [ 1119.290671] Sending NMI from CPU 1 to CPUs 0:
| [ 1119.290718] NMI backtrace for cpu 0
[ 1119.290725] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1119.290727] Workqueue: mld mld_ifc_work
[ 1119.290734] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1119.290738] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 1119.290740] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 1119.290741] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 1119.290742] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 1119.290743] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 1119.290744] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 1119.290745] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 1119.290748] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 1119.290750] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1119.290750] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 1119.290751] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1119.290752] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1119.290752] PKRU: 55555554
[ 1119.290753] Call Trace:
[ 1119.290756]  <NMI>
[ 1119.290759] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 1119.290763] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 1119.290769] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 1119.290774] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 1119.290776] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 1119.290777] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 1119.290783] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1119.290784] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1119.290785] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1119.290786]  </NMI>
[ 1119.290786]  <TASK>
[ 1119.290787] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 1119.290791] __dev_queue_xmit (net/core/dev.c:4295) 
[ 1119.290793] ? eth_header (net/ethernet/eth.c:85) 
[ 1119.290798] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 1119.290803] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 1119.290805] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 1119.290810] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 1119.290813] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 1119.290816] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 1119.290818] process_one_work (kernel/workqueue.c:3254) 
[ 1119.290823] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1119.290825] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 1119.290827] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1119.290828] kthread (kernel/kthread.c:388) 
[ 1119.290831] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1119.290833] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 1119.290837] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1119.290839] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 1119.290844]  </TASK>
| [ 1131.117479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 1131.117592] rcu: 0-....: (718552 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=169626
| [ 1131.117663] rcu: (t=714033 jiffies g=53861 q=1581 ncpus=4)
[ 1131.117744] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1131.117813] Workqueue: mld mld_ifc_work
[ 1131.117847] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1131.117881] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 1131.117985] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 1131.118018] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 1131.118067] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 1131.118115] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 1131.118163] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 1131.118211] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 1131.118261] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 1131.118309] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1131.118353] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 1131.118400] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1131.118447] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1131.118498] PKRU: 55555554
[ 1131.118518] Call Trace:
[ 1131.118534]  <IRQ>
[ 1131.118555] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 1131.118596] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 1131.118631] ? notifier_call_chain (kernel/notifier.c:93) 
[ 1131.118664] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 1131.118699] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 1131.118734] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 1131.118768] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 1131.118806] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 1131.118833] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 1131.118867] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 1131.118902] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 1131.118935] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 1131.118969] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 1131.119002]  </IRQ>
[ 1131.119022]  <TASK>
[ 1131.119042] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1131.119076] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1131.119103] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 1131.119130] __dev_queue_xmit (net/core/dev.c:4295) 
[ 1131.119157] ? eth_header (net/ethernet/eth.c:85) 
[ 1131.119187] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 1131.119217] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 1131.119250] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 1131.119281] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 1131.119308] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 1131.119335] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 1131.119362] process_one_work (kernel/workqueue.c:3254) 
[ 1131.119395] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1131.119430] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 1131.119458] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1131.119492] kthread (kernel/kthread.c:388) 
[ 1131.119519] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1131.119546] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 1131.119574] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1131.119601] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 1184.826483] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 740858 jiffies s: 6153 root: 0x1/.
| [ 1184.826753] rcu: blocking rcu_node structures (internal RCU debug):
| [ 1184.826793] Sending NMI from CPU 1 to CPUs 0:
| [ 1184.826832] NMI backtrace for cpu 0
[ 1184.826838] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1184.826840] Workqueue: mld mld_ifc_work
[ 1184.826848] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1184.826853] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 1184.826854] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 1184.826855] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 1184.826856] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 1184.826857] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 1184.826858] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 1184.826859] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 1184.826861] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 1184.826862] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1184.826863] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 1184.826864] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1184.826865] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1184.826865] PKRU: 55555554
[ 1184.826866] Call Trace:
[ 1184.826869]  <NMI>
[ 1184.826871] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 1184.826875] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 1184.826882] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 1184.826888] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 1184.826891] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 1184.826892] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 1184.826898] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1184.826899] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1184.826900] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1184.826901]  </NMI>
[ 1184.826902]  <TASK>
[ 1184.826902] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 1184.826907] __dev_queue_xmit (net/core/dev.c:4295) 
[ 1184.826909] ? eth_header (net/ethernet/eth.c:85) 
[ 1184.826914] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 1184.826921] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 1184.826922] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 1184.826927] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 1184.826930] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 1184.826933] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 1184.826935] process_one_work (kernel/workqueue.c:3254) 
[ 1184.826940] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1184.826941] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 1184.826944] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1184.826945] kthread (kernel/kthread.c:388) 
[ 1184.826949] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1184.826950] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 1184.826955] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1184.826957] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 1184.826963]  </TASK>
| [ 1194.120477] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 1194.120648] rcu: 0-....: (781554 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=184601
| [ 1194.120706] rcu: (t=777036 jiffies g=53861 q=1581 ncpus=4)
[ 1194.120776] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1194.120839] Workqueue: mld mld_ifc_work
[ 1194.120869] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1194.120900] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 1194.120994] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 1194.121025] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 1194.121063] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 1194.121101] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 1194.121140] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 1194.121177] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 1194.121217] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 1194.121261] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1194.121297] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 1194.121336] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1194.121380] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1194.121418] PKRU: 55555554
[ 1194.121431] Call Trace:
[ 1194.121445]  <IRQ>
[ 1194.121463] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 1194.121497] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 1194.121528] ? notifier_call_chain (kernel/notifier.c:93) 
[ 1194.121559] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 1194.121595] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 1194.121626] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 1194.121657] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 1194.121688] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 1194.121713] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 1194.121744] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 1194.121776] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 1194.121807] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 1194.121838] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 1194.121868]  </IRQ>
[ 1194.121881]  <TASK>
[ 1194.121894] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1194.121926] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1194.121950] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 1194.121975] __dev_queue_xmit (net/core/dev.c:4295) 
[ 1194.121999] ? eth_header (net/ethernet/eth.c:85) 
[ 1194.122024] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 1194.122049] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 1194.122079] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 1194.122105] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 1194.122129] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 1194.122154] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 1194.122179] process_one_work (kernel/workqueue.c:3254) 
[ 1194.122203] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1194.122234] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 1194.122259] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1194.122290] kthread (kernel/kthread.c:388) 
[ 1194.122314] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1194.122339] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 1194.122364] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1194.122388] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 1250.362485] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 806394 jiffies s: 6153 root: 0x1/.
| [ 1250.362678] rcu: blocking rcu_node structures (internal RCU debug):
| [ 1250.362718] Sending NMI from CPU 1 to CPUs 0:
| [ 1250.362756] NMI backtrace for cpu 0
[ 1250.362762] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1250.362764] Workqueue: mld mld_ifc_work
[ 1250.362769] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1250.362773] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 1250.362774] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 1250.362775] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 1250.362776] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 1250.362777] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 1250.362778] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 1250.362779] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 1250.362781] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 1250.362783] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1250.362783] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 1250.362784] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1250.362785] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1250.362785] PKRU: 55555554
[ 1250.362786] Call Trace:
[ 1250.362788]  <NMI>
[ 1250.362791] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 1250.362793] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 1250.362798] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 1250.362802] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 1250.362805] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 1250.362806] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 1250.362809] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1250.362810] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1250.362811] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1250.362812]  </NMI>
[ 1250.362813]  <TASK>
[ 1250.362813] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 1250.362817] __dev_queue_xmit (net/core/dev.c:4295) 
[ 1250.362818] ? eth_header (net/ethernet/eth.c:85) 
[ 1250.362822] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 1250.362825] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 1250.362827] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 1250.362831] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 1250.362833] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 1250.362836] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 1250.362838] process_one_work (kernel/workqueue.c:3254) 
[ 1250.362841] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1250.362843] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 1250.362844] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1250.362846] kthread (kernel/kthread.c:388) 
[ 1250.362848] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1250.362850] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 1250.362853] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1250.362854] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 1250.362859]  </TASK>
| [ 1257.123478] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 1257.123586] rcu: 0-....: (844557 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=200086
| [ 1257.123642] rcu: (t=840039 jiffies g=53861 q=1581 ncpus=4)
[ 1257.123711] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1257.123775] Workqueue: mld mld_ifc_work
[ 1257.123805] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1257.123836] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 1257.123932] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 1257.123963] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 1257.124007] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 1257.124052] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 1257.124096] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 1257.124140] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 1257.124181] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 1257.124224] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1257.124261] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 1257.124300] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1257.124343] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1257.124382] PKRU: 55555554
[ 1257.124394] Call Trace:
[ 1257.124409]  <IRQ>
[ 1257.124427] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 1257.124462] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 1257.124493] ? notifier_call_chain (kernel/notifier.c:93) 
[ 1257.124524] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 1257.124555] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 1257.124586] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 1257.124618] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 1257.124649] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 1257.124674] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 1257.124705] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 1257.124736] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 1257.124767] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 1257.124798] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 1257.124830]  </IRQ>
[ 1257.124842]  <TASK>
[ 1257.124855] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1257.124888] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1257.124912] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 1257.124937] __dev_queue_xmit (net/core/dev.c:4295) 
[ 1257.124961] ? eth_header (net/ethernet/eth.c:85) 
[ 1257.124986] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 1257.125011] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 1257.125042] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 1257.125067] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 1257.125092] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 1257.125117] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 1257.125141] process_one_work (kernel/workqueue.c:3254) 
[ 1257.125166] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1257.125196] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 1257.125221] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1257.125252] kthread (kernel/kthread.c:388) 
[ 1257.125277] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1257.125302] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 1257.125327] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1257.125351] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 1315.899500] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 871931 jiffies s: 6153 root: 0x1/.
| [ 1315.899632] rcu: blocking rcu_node structures (internal RCU debug):
| [ 1315.899671] Sending NMI from CPU 1 to CPUs 0:
| [ 1315.899712] NMI backtrace for cpu 0
[ 1315.899720] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1315.899722] Workqueue: mld mld_ifc_work
[ 1315.899729] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1315.899733] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 1315.899735] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 1315.899736] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 1315.899738] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 1315.899739] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 1315.899740] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 1315.899741] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 1315.899743] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 1315.899744] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1315.899745] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 1315.899746] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1315.899747] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1315.899747] PKRU: 55555554
[ 1315.899748] Call Trace:
[ 1315.899751]  <NMI>
[ 1315.899755] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 1315.899758] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 1315.899764] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 1315.899769] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 1315.899772] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 1315.899773] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 1315.899778] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1315.899779] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1315.899780] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1315.899781]  </NMI>
[ 1315.899782]  <TASK>
[ 1315.899782] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 1315.899787] __dev_queue_xmit (net/core/dev.c:4295) 
[ 1315.899789] ? eth_header (net/ethernet/eth.c:85) 
[ 1315.899794] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 1315.899799] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 1315.899801] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 1315.899806] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 1315.899808] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 1315.899811] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 1315.899813] process_one_work (kernel/workqueue.c:3254) 
[ 1315.899818] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1315.899820] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 1315.899822] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1315.899824] kthread (kernel/kthread.c:388) 
[ 1315.899827] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1315.899829] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 1315.899833] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1315.899835] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 1315.899840]  </TASK>
| [ 1320.126478] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 1320.126597] rcu: 0-....: (907560 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=214731
| [ 1320.126667] rcu: (t=903042 jiffies g=53861 q=1581 ncpus=4)
[ 1320.126742] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1320.126812] Workqueue: mld mld_ifc_work
[ 1320.126848] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1320.126883] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 1320.126988] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 1320.127023] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 1320.127072] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 1320.127119] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 1320.127168] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 1320.127217] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 1320.127267] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 1320.127315] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1320.127355] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 1320.127404] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1320.127452] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1320.127510] PKRU: 55555554
[ 1320.127530] Call Trace:
[ 1320.127552]  <IRQ>
[ 1320.127573] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 1320.127612] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 1320.127646] ? notifier_call_chain (kernel/notifier.c:93) 
[ 1320.127680] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 1320.127718] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 1320.127753] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 1320.127787] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 1320.127828] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 1320.127859] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 1320.127893] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 1320.127929] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 1320.127963] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 1320.127997] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 1320.128031]  </IRQ>
[ 1320.128046]  <TASK>
[ 1320.128060] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1320.128095] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1320.128122] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 1320.128150] __dev_queue_xmit (net/core/dev.c:4295) 
[ 1320.128178] ? eth_header (net/ethernet/eth.c:85) 
[ 1320.128208] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 1320.128235] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 1320.128269] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 1320.128297] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 1320.128324] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 1320.128351] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 1320.128378] process_one_work (kernel/workqueue.c:3254) 
[ 1320.128409] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1320.128443] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 1320.128470] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1320.128504] kthread (kernel/kthread.c:388) 
[ 1320.128531] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1320.128558] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 1320.128585] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1320.128612] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 1381.435485] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 937467 jiffies s: 6153 root: 0x1/.
| [ 1381.435634] rcu: blocking rcu_node structures (internal RCU debug):
| [ 1381.435683] Sending NMI from CPU 1 to CPUs 0:
| [ 1381.435744] NMI backtrace for cpu 0
[ 1381.435751] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1381.435754] Workqueue: mld mld_ifc_work
[ 1381.435762] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1381.435767] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 1381.435769] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 1381.435770] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 1381.435771] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 1381.435772] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 1381.435773] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 1381.435774] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 1381.435777] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 1381.435778] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1381.435779] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 1381.435780] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1381.435781] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1381.435781] PKRU: 55555554
[ 1381.435782] Call Trace:
[ 1381.435785]  <NMI>
[ 1381.435788] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 1381.435792] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 1381.435798] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 1381.435803] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 1381.435806] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 1381.435807] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 1381.435812] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1381.435813] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1381.435815] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1381.435816]  </NMI>
[ 1381.435817]  <TASK>
[ 1381.435817] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 1381.435821] __dev_queue_xmit (net/core/dev.c:4295) 
[ 1381.435824] ? eth_header (net/ethernet/eth.c:85) 
[ 1381.435828] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 1381.435833] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 1381.435835] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 1381.435840] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 1381.435842] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 1381.435845] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 1381.435847] process_one_work (kernel/workqueue.c:3254) 
[ 1381.435852] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1381.435853] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 1381.435856] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1381.435857] kthread (kernel/kthread.c:388) 
[ 1381.435860] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1381.435862] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 1381.435866] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1381.435868] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 1381.435873]  </TASK>
| [ 1383.129479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 1383.129591] rcu: 0-....: (970561 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=228640
| [ 1383.129682] rcu: (t=966045 jiffies g=53861 q=1581 ncpus=4)
[ 1383.129790] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1383.129891] Workqueue: mld mld_ifc_work
[ 1383.129930] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1383.129979] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 1383.130128] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 1383.130177] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 1383.130246] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 1383.130315] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 1383.130375] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 1383.130437] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 1383.130498] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 1383.130567] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1383.130624] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 1383.130695] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1383.130762] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1383.130824] PKRU: 55555554
[ 1383.130851] Call Trace:
[ 1383.130872]  <IRQ>
[ 1383.130901] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 1383.130953] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 1383.131000] ? notifier_call_chain (kernel/notifier.c:93) 
[ 1383.131048] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 1383.131097] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 1383.131145] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 1383.131194] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 1383.131242] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 1383.131279] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 1383.131328] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 1383.131376] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 1383.131425] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 1383.131472] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 1383.131520]  </IRQ>
[ 1383.131540]  <TASK>
[ 1383.131568] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1383.131617] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1383.131654] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 1383.131693] __dev_queue_xmit (net/core/dev.c:4295) 
[ 1383.131731] ? eth_header (net/ethernet/eth.c:85) 
[ 1383.131769] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 1383.131806] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 1383.131854] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 1383.131894] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 1383.131932] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 1383.131969] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 1383.132007] process_one_work (kernel/workqueue.c:3254) 
[ 1383.132045] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1383.132093] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 1383.132131] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1383.132179] kthread (kernel/kthread.c:388) 
[ 1383.132216] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1383.132248] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 1383.132286] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1383.132317] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 1383.132356]  </TASK>
| [ 1446.132479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 1446.132596] rcu: 0-....: (1033563 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=242784
| [ 1446.132669] rcu: (t=1029048 jiffies g=53861 q=1581 ncpus=4)
[ 1446.132756] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1446.132826] Workqueue: mld mld_ifc_work
[ 1446.132862] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1446.132902] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 1446.133008] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 1446.133042] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 1446.133092] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 1446.133141] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 1446.133189] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 1446.133238] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 1446.133288] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 1446.133339] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1446.133379] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 1446.133427] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1446.133475] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1446.133530] PKRU: 55555554
[ 1446.133554] Call Trace:
[ 1446.133574]  <IRQ>
[ 1446.133599] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 1446.133646] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 1446.133687] ? notifier_call_chain (kernel/notifier.c:93) 
[ 1446.133729] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 1446.133770] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 1446.133813] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 1446.133854] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 1446.133895] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 1446.133928] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 1446.133970] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 1446.134011] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 1446.134053] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 1446.134098] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 1446.134139]  </IRQ>
[ 1446.134163]  <TASK>
[ 1446.134187] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1446.134228] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1446.134260] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 1446.134293] __dev_queue_xmit (net/core/dev.c:4295) 
[ 1446.134325] ? eth_header (net/ethernet/eth.c:85) 
[ 1446.134357] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 1446.134390] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 1446.134430] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 1446.134467] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 1446.134500] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 1446.134533] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 1446.134565] process_one_work (kernel/workqueue.c:3254) 
[ 1446.134602] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1446.134643] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 1446.134675] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1446.134716] kthread (kernel/kthread.c:388) 
[ 1446.134749] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1446.134781] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 1446.134814] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1446.134846] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 1446.971487] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 1003003 jiffies s: 6153 root: 0x1/.
| [ 1446.971609] rcu: blocking rcu_node structures (internal RCU debug):
| [ 1446.971649] Sending NMI from CPU 1 to CPUs 0:
| [ 1446.971689] NMI backtrace for cpu 0
[ 1446.971698] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1446.971700] Workqueue: mld mld_ifc_work
[ 1446.971709] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1446.971713] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 1446.971715] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 1446.971716] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 1446.971718] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 1446.971718] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 1446.971720] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 1446.971721] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 1446.971723] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 1446.971725] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1446.971725] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 1446.971726] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1446.971727] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1446.971727] PKRU: 55555554
[ 1446.971728] Call Trace:
[ 1446.971731]  <NMI>
[ 1446.971733] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 1446.971737] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 1446.971743] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 1446.971748] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 1446.971750] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 1446.971751] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 1446.971756] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1446.971758] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1446.971759] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1446.971760]  </NMI>
[ 1446.971760]  <TASK>
[ 1446.971761] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 1446.971765] __dev_queue_xmit (net/core/dev.c:4295) 
[ 1446.971767] ? eth_header (net/ethernet/eth.c:85) 
[ 1446.971772] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 1446.971777] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 1446.971779] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 1446.971784] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 1446.971787] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 1446.971789] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 1446.971791] process_one_work (kernel/workqueue.c:3254) 
[ 1446.971796] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1446.971798] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 1446.971800] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1446.971802] kthread (kernel/kthread.c:388) 
[ 1446.971806] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1446.971807] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 1446.971812] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1446.971813] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 1446.971818]  </TASK>
| [ 1509.135479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 1509.135598] rcu: 0-....: (1096565 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=256498
| [ 1509.135674] rcu: (t=1092051 jiffies g=53861 q=1581 ncpus=4)
[ 1509.135760] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1509.135830] Workqueue: mld mld_ifc_work
[ 1509.135867] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1509.135907] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 1509.136012] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 1509.136046] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 1509.136095] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 1509.136143] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 1509.136191] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 1509.136239] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 1509.136288] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 1509.136345] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1509.136391] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 1509.136456] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1509.136502] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1509.136550] PKRU: 55555554
[ 1509.136569] Call Trace:
[ 1509.136592]  <IRQ>
[ 1509.136612] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 1509.136654] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 1509.136688] ? notifier_call_chain (kernel/notifier.c:93) 
[ 1509.136726] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 1509.136760] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 1509.136795] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 1509.136830] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 1509.136868] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 1509.136895] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 1509.136929] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 1509.136963] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 1509.136996] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 1509.137038] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 1509.137073]  </IRQ>
[ 1509.137093]  <TASK>
[ 1509.137107] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1509.137146] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1509.137172] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 1509.137204] __dev_queue_xmit (net/core/dev.c:4295) 
[ 1509.137230] ? eth_header (net/ethernet/eth.c:85) 
[ 1509.137261] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 1509.137292] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 1509.137326] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 1509.137358] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 1509.137394] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 1509.137424] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 1509.137451] process_one_work (kernel/workqueue.c:3254) 
[ 1509.137494] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1509.137534] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 1509.137564] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1509.137611] kthread (kernel/kthread.c:388) 
[ 1509.137639] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1509.137666] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 1509.137699] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1509.137726] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 1512.507487] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 1068539 jiffies s: 6153 root: 0x1/.
| [ 1512.507616] rcu: blocking rcu_node structures (internal RCU debug):
| [ 1512.507656] Sending NMI from CPU 1 to CPUs 0:
| [ 1512.507698] NMI backtrace for cpu 0
[ 1512.507705] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1512.507707] Workqueue: mld mld_ifc_work
[ 1512.507715] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1512.507719] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 1512.507721] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 1512.507722] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 1512.507723] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 1512.507724] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 1512.507725] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 1512.507726] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 1512.507729] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 1512.507730] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1512.507731] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 1512.507733] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1512.507733] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1512.507734] PKRU: 55555554
[ 1512.507735] Call Trace:
[ 1512.507738]  <NMI>
[ 1512.507741] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 1512.507745] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 1512.507751] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 1512.507757] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 1512.507760] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 1512.507761] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 1512.507766] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1512.507767] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1512.507768] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1512.507770]  </NMI>
[ 1512.507770]  <TASK>
[ 1512.507771] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 1512.507775] __dev_queue_xmit (net/core/dev.c:4295) 
[ 1512.507777] ? eth_header (net/ethernet/eth.c:85) 
[ 1512.507782] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 1512.507787] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 1512.507788] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 1512.507793] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 1512.507795] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 1512.507798] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 1512.507800] process_one_work (kernel/workqueue.c:3254) 
[ 1512.507804] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1512.507806] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 1512.507808] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1512.507809] kthread (kernel/kthread.c:388) 
[ 1512.507812] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1512.507814] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 1512.507819] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1512.507820] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 1512.507826]  </TASK>
| [ 1572.138479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 1572.138756] rcu: 0-....: (1159567 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=270841
| [ 1572.138827] rcu: (t=1155054 jiffies g=53861 q=1581 ncpus=4)
[ 1572.138913] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1572.138995] Workqueue: mld mld_ifc_work
[ 1572.139031] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1572.139071] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 1572.139173] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 1572.139208] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 1572.139255] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 1572.139301] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 1572.139349] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 1572.139397] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 1572.139446] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 1572.139498] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1572.139538] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 1572.139587] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1572.139634] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1572.139681] PKRU: 55555554
[ 1572.139700] Call Trace:
[ 1572.139722]  <IRQ>
[ 1572.139742] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 1572.139781] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 1572.139814] ? notifier_call_chain (kernel/notifier.c:93) 
[ 1572.139848] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 1572.139885] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 1572.139918] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 1572.139955] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 1572.139994] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 1572.140021] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 1572.140054] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 1572.140088] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 1572.140122] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 1572.140158] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 1572.140195]  </IRQ>
[ 1572.140214]  <TASK>
[ 1572.140234] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1572.140267] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1572.140293] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 1572.140320] __dev_queue_xmit (net/core/dev.c:4295) 
[ 1572.140346] ? eth_header (net/ethernet/eth.c:85) 
[ 1572.140378] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 1572.140408] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 1572.140441] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 1572.140473] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 1572.140499] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 1572.140526] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 1572.140552] process_one_work (kernel/workqueue.c:3254) 
[ 1572.140583] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1572.140615] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 1572.140642] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1572.140676] kthread (kernel/kthread.c:388) 
[ 1572.140703] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1572.140729] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 1572.140760] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1572.140787] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 1578.042486] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 1134074 jiffies s: 6153 root: 0x1/.
| [ 1578.042698] rcu: blocking rcu_node structures (internal RCU debug):
| [ 1578.042741] Sending NMI from CPU 1 to CPUs 0:
| [ 1578.042782] NMI backtrace for cpu 0
[ 1578.042785] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1578.042786] Workqueue: mld mld_ifc_work
[ 1578.042789] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1578.042791] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 1578.042792] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 1578.042793] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 1578.042794] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 1578.042795] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 1578.042795] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 1578.042796] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 1578.042798] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 1578.042799] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1578.042800] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 1578.042801] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1578.042801] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1578.042802] PKRU: 55555554
[ 1578.042802] Call Trace:
[ 1578.042803]  <NMI>
[ 1578.042804] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 1578.042808] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 1578.042813] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 1578.042817] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 1578.042819] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 1578.042820] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 1578.042822] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1578.042823] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1578.042824] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1578.042825]  </NMI>
[ 1578.042826]  <TASK>
[ 1578.042826] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 1578.042828] __dev_queue_xmit (net/core/dev.c:4295) 
[ 1578.042830] ? eth_header (net/ethernet/eth.c:85) 
[ 1578.042832] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 1578.042834] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 1578.042835] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 1578.042838] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 1578.042840] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 1578.042842] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 1578.042844] process_one_work (kernel/workqueue.c:3254) 
[ 1578.042847] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1578.042849] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 1578.042850] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1578.042852] kthread (kernel/kthread.c:388) 
[ 1578.042854] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1578.042855] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 1578.042858] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1578.042859] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 1578.042862]  </TASK>
| [ 1635.141479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 1635.141720] rcu: 0-....: (1222569 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=286071
| [ 1635.141808] rcu: (t=1218057 jiffies g=53861 q=1581 ncpus=4)
[ 1635.141903] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1635.141981] Workqueue: mld mld_ifc_work
[ 1635.142026] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1635.142070] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 1635.142188] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 1635.142226] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 1635.142280] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 1635.142330] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 1635.142377] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 1635.142424] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 1635.142473] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 1635.142526] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1635.142573] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 1635.142621] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1635.142674] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1635.142722] PKRU: 55555554
[ 1635.142739] Call Trace:
[ 1635.142763]  <IRQ>
[ 1635.142785] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 1635.142830] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 1635.142869] ? notifier_call_chain (kernel/notifier.c:93) 
[ 1635.142905] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 1635.142949] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 1635.142986] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 1635.143030] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 1635.143072] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 1635.143103] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 1635.143141] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 1635.143178] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 1635.143215] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 1635.143259] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 1635.143297]  </IRQ>
[ 1635.143313]  <TASK>
[ 1635.143328] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1635.143367] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1635.143396] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 1635.143426] __dev_queue_xmit (net/core/dev.c:4295) 
[ 1635.143455] ? eth_header (net/ethernet/eth.c:85) 
[ 1635.143485] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 1635.143516] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 1635.143552] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 1635.143582] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 1635.143611] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 1635.143643] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 1635.143673] process_one_work (kernel/workqueue.c:3254) 
[ 1635.143716] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1635.143755] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 1635.143787] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1635.143828] kthread (kernel/kthread.c:388) 
[ 1635.143860] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1635.143891] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 1635.143931] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1635.143962] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 1643.578505] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 1199610 jiffies s: 6153 root: 0x1/.
| [ 1643.578673] rcu: blocking rcu_node structures (internal RCU debug):
| [ 1643.578718] Sending NMI from CPU 1 to CPUs 0:
| [ 1643.578760] NMI backtrace for cpu 0
[ 1643.578763] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1643.578764] Workqueue: mld mld_ifc_work
[ 1643.578767] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1643.578769] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 1643.578770] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 1643.578771] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 1643.578772] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 1643.578773] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 1643.578773] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 1643.578774] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 1643.578776] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 1643.578777] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1643.578778] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 1643.578779] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1643.578780] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1643.578781] PKRU: 55555554
[ 1643.578781] Call Trace:
[ 1643.578782]  <NMI>
[ 1643.578783] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 1643.578786] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 1643.578790] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 1643.578795] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 1643.578797] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 1643.578799] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 1643.578801] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1643.578803] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1643.578804] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1643.578805]  </NMI>
[ 1643.578805]  <TASK>
[ 1643.578805] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 1643.578807] __dev_queue_xmit (net/core/dev.c:4295) 
[ 1643.578808] ? eth_header (net/ethernet/eth.c:85) 
[ 1643.578810] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 1643.578812] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 1643.578813] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 1643.578816] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 1643.578818] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 1643.578820] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 1643.578822] process_one_work (kernel/workqueue.c:3254) 
[ 1643.578824] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1643.578826] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 1643.578828] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1643.578830] kthread (kernel/kthread.c:388) 
[ 1643.578831] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1643.578832] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 1643.578835] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1643.578836] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 1643.578839]  </TASK>
| [ 1698.144478] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 1698.144668] rcu: 0-....: (1285571 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=301642
| [ 1698.144741] rcu: (t=1281060 jiffies g=53861 q=1581 ncpus=4)
[ 1698.144828] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1698.144902] Workqueue: mld mld_ifc_work
[ 1698.144940] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1698.144976] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 1698.145087] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 1698.145125] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 1698.145175] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 1698.145226] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 1698.145272] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 1698.145319] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 1698.145367] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 1698.145417] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1698.145460] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 1698.145513] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1698.145562] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1698.145612] PKRU: 55555554
[ 1698.145627] Call Trace:
[ 1698.145643]  <IRQ>
[ 1698.145665] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 1698.145705] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 1698.145741] ? notifier_call_chain (kernel/notifier.c:93) 
[ 1698.145779] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 1698.145815] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 1698.145853] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 1698.145891] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 1698.145928] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 1698.145958] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 1698.145994] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 1698.146032] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 1698.146069] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 1698.146105] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 1698.146142]  </IRQ>
[ 1698.146157]  <TASK>
[ 1698.146172] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1698.146210] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1698.146239] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 1698.146269] __dev_queue_xmit (net/core/dev.c:4295) 
[ 1698.146298] ? eth_header (net/ethernet/eth.c:85) 
[ 1698.146328] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 1698.146357] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 1698.146393] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 1698.146423] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 1698.146453] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 1698.146483] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 1698.146512] process_one_work (kernel/workqueue.c:3254) 
[ 1698.146545] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1698.146581] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 1698.146610] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1698.146645] kthread (kernel/kthread.c:388) 
[ 1698.146674] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1698.146703] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 1698.146732] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1698.146761] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 1709.114486] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 1265146 jiffies s: 6153 root: 0x1/.
| [ 1709.114686] rcu: blocking rcu_node structures (internal RCU debug):
| [ 1709.114731] Sending NMI from CPU 1 to CPUs 0:
| [ 1709.114773] NMI backtrace for cpu 0
[ 1709.114777] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1709.114778] Workqueue: mld mld_ifc_work
[ 1709.114780] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1709.114782] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 1709.114783] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 1709.114784] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 1709.114785] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 1709.114785] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 1709.114786] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 1709.114786] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 1709.114789] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 1709.114790] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1709.114790] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 1709.114791] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1709.114792] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1709.114792] PKRU: 55555554
[ 1709.114793] Call Trace:
[ 1709.114794]  <NMI>
[ 1709.114795] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 1709.114797] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 1709.114801] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 1709.114805] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 1709.114807] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 1709.114808] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 1709.114811] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1709.114812] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1709.114813] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1709.114814]  </NMI>
[ 1709.114814]  <TASK>
[ 1709.114814] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 1709.114816] __dev_queue_xmit (net/core/dev.c:4295) 
[ 1709.114818] ? eth_header (net/ethernet/eth.c:85) 
[ 1709.114820] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 1709.114821] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 1709.114823] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 1709.114825] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 1709.114827] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 1709.114829] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 1709.114831] process_one_work (kernel/workqueue.c:3254) 
[ 1709.114834] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1709.114836] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 1709.114838] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1709.114839] kthread (kernel/kthread.c:388) 
[ 1709.114840] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1709.114842] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 1709.114844] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1709.114845] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 1709.114848]  </TASK>
| [ 1761.147478] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 1761.147653] rcu: 0-....: (1348573 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=317265
| [ 1761.147726] rcu: (t=1344063 jiffies g=53861 q=1581 ncpus=4)
[ 1761.147813] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1761.147886] Workqueue: mld mld_ifc_work
[ 1761.147924] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1761.147960] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 1761.148072] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 1761.148107] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 1761.148159] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 1761.148210] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 1761.148262] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 1761.148313] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 1761.148362] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 1761.148414] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1761.148457] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 1761.148509] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1761.148559] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1761.148604] PKRU: 55555554
[ 1761.148619] Call Trace:
[ 1761.148635]  <IRQ>
[ 1761.148657] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 1761.148697] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 1761.148733] ? notifier_call_chain (kernel/notifier.c:93) 
[ 1761.148769] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 1761.148804] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 1761.148840] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 1761.148877] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 1761.148912] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 1761.148941] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 1761.148976] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 1761.149012] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 1761.149048] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 1761.149084] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 1761.149119]  </IRQ>
[ 1761.149134]  <TASK>
[ 1761.149149] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1761.149185] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1761.149213] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 1761.149243] __dev_queue_xmit (net/core/dev.c:4295) 
[ 1761.149270] ? eth_header (net/ethernet/eth.c:85) 
[ 1761.149298] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 1761.149326] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 1761.149362] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 1761.149391] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 1761.149419] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 1761.149449] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 1761.149476] process_one_work (kernel/workqueue.c:3254) 
[ 1761.149509] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1761.149544] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 1761.149573] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1761.149608] kthread (kernel/kthread.c:388) 
[ 1761.149637] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1761.149666] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 1761.149694] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1761.149723] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 1774.651486] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 1330683 jiffies s: 6153 root: 0x1/.
| [ 1774.651616] rcu: blocking rcu_node structures (internal RCU debug):
| [ 1774.651655] Sending NMI from CPU 1 to CPUs 0:
| [ 1774.651692] NMI backtrace for cpu 0
[ 1774.651696] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1774.651697] Workqueue: mld mld_ifc_work
[ 1774.651700] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1774.651702] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 1774.651703] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 1774.651704] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 1774.651704] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 1774.651705] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 1774.651706] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 1774.651706] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 1774.651708] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 1774.651709] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1774.651710] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 1774.651711] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1774.651711] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1774.651712] PKRU: 55555554
[ 1774.651712] Call Trace:
[ 1774.651713]  <NMI>
[ 1774.651714] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 1774.651717] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 1774.651721] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 1774.651725] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 1774.651727] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 1774.651728] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 1774.651731] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1774.651732] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1774.651733] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1774.651734]  </NMI>
[ 1774.651734]  <TASK>
[ 1774.651734] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 1774.651737] __dev_queue_xmit (net/core/dev.c:4295) 
[ 1774.651739] ? eth_header (net/ethernet/eth.c:85) 
[ 1774.651741] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 1774.651743] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 1774.651745] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 1774.651747] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 1774.651749] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 1774.651751] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 1774.651753] process_one_work (kernel/workqueue.c:3254) 
[ 1774.651756] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1774.651757] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 1774.651759] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1774.651761] kthread (kernel/kthread.c:388) 
[ 1774.651762] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1774.651763] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 1774.651765] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1774.651766] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 1774.651769]  </TASK>
| [ 1824.150478] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 1824.150575] rcu: 0-....: (1411575 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=332955
| [ 1824.150631] rcu: (t=1407066 jiffies g=53861 q=1581 ncpus=4)
[ 1824.150706] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1824.150770] Workqueue: mld mld_ifc_work
[ 1824.150800] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1824.150831] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 1824.150925] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 1824.150956] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 1824.150994] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 1824.151032] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 1824.151071] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 1824.151109] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 1824.151148] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 1824.151191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1824.151228] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 1824.151267] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1824.151309] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1824.151347] PKRU: 55555554
[ 1824.151359] Call Trace:
[ 1824.151373]  <IRQ>
[ 1824.151391] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 1824.151421] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 1824.151453] ? notifier_call_chain (kernel/notifier.c:93) 
[ 1824.151484] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 1824.151515] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 1824.151545] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 1824.151576] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 1824.151611] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 1824.151635] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 1824.151667] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 1824.151698] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 1824.151729] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 1824.151759] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 1824.151790]  </IRQ>
[ 1824.151803]  <TASK>
[ 1824.151815] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1824.151847] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1824.151871] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 1824.151896] __dev_queue_xmit (net/core/dev.c:4295) 
[ 1824.151921] ? eth_header (net/ethernet/eth.c:85) 
[ 1824.151945] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 1824.151970] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 1824.152000] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 1824.152025] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 1824.152050] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 1824.152075] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 1824.152100] process_one_work (kernel/workqueue.c:3254) 
[ 1824.152125] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1824.152155] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 1824.152180] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1824.152210] kthread (kernel/kthread.c:388) 
[ 1824.152235] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1824.152259] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 1824.152284] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1824.152308] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 1840.186486] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 1396218 jiffies s: 6153 root: 0x1/.
| [ 1840.186686] rcu: blocking rcu_node structures (internal RCU debug):
| [ 1840.186725] Sending NMI from CPU 1 to CPUs 0:
| [ 1840.186762] NMI backtrace for cpu 0
[ 1840.186766] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1840.186767] Workqueue: mld mld_ifc_work
[ 1840.186771] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1840.186772] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 1840.186773] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 1840.186775] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 1840.186775] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 1840.186776] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 1840.186777] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 1840.186777] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 1840.186779] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 1840.186780] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1840.186781] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 1840.186782] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1840.186783] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1840.186784] PKRU: 55555554
[ 1840.186785] Call Trace:
[ 1840.186786]  <NMI>
[ 1840.186787] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 1840.186789] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 1840.186794] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 1840.186798] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 1840.186801] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 1840.186802] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 1840.186804] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1840.186805] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1840.186806] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1840.186807]  </NMI>
[ 1840.186807]  <TASK>
[ 1840.186808] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 1840.186811] __dev_queue_xmit (net/core/dev.c:4295) 
[ 1840.186812] ? eth_header (net/ethernet/eth.c:85) 
[ 1840.186814] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 1840.186816] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 1840.186817] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 1840.186820] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 1840.186823] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 1840.186825] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 1840.186826] process_one_work (kernel/workqueue.c:3254) 
[ 1840.186830] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1840.186831] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 1840.186833] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1840.186835] kthread (kernel/kthread.c:388) 
[ 1840.186836] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1840.186837] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 1840.186840] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1840.186841] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 1840.186844]  </TASK>
| [ 1887.153478] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 1887.153639] rcu: 0-....: (1474578 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=348543
| [ 1887.153701] rcu: (t=1470069 jiffies g=53861 q=1581 ncpus=4)
[ 1887.153776] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1887.153839] Workqueue: mld mld_ifc_work
[ 1887.153869] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1887.153900] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 1887.153994] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 1887.154025] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 1887.154068] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 1887.154107] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 1887.154150] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 1887.154194] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 1887.154233] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 1887.154276] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1887.154312] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 1887.154351] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1887.154393] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1887.154431] PKRU: 55555554
[ 1887.154444] Call Trace:
[ 1887.154458]  <IRQ>
[ 1887.154476] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 1887.154510] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 1887.154541] ? notifier_call_chain (kernel/notifier.c:93) 
[ 1887.154573] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 1887.154604] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 1887.154634] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 1887.154665] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 1887.154696] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 1887.154720] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 1887.154752] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 1887.154783] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 1887.154814] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 1887.154844] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 1887.154876]  </IRQ>
[ 1887.154888]  <TASK>
[ 1887.154901] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1887.154933] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1887.154957] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 1887.154982] __dev_queue_xmit (net/core/dev.c:4295) 
[ 1887.155006] ? eth_header (net/ethernet/eth.c:85) 
[ 1887.155031] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 1887.155055] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 1887.155085] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 1887.155111] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 1887.155135] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 1887.155161] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 1887.155184] process_one_work (kernel/workqueue.c:3254) 
[ 1887.155213] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1887.155243] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 1887.155268] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1887.155299] kthread (kernel/kthread.c:388) 
[ 1887.155324] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1887.155348] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 1887.155373] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1887.155397] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 1905.722491] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 1461754 jiffies s: 6153 root: 0x1/.
| [ 1905.722677] rcu: blocking rcu_node structures (internal RCU debug):
| [ 1905.722717] Sending NMI from CPU 1 to CPUs 0:
| [ 1905.722755] NMI backtrace for cpu 0
[ 1905.722759] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1905.722760] Workqueue: mld mld_ifc_work
[ 1905.722763] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1905.722766] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 1905.722767] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 1905.722768] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 1905.722768] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 1905.722769] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 1905.722770] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 1905.722770] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 1905.722773] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 1905.722774] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1905.722774] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 1905.722775] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1905.722776] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1905.722776] PKRU: 55555554
[ 1905.722777] Call Trace:
[ 1905.722778]  <NMI>
[ 1905.722779] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 1905.722782] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 1905.722785] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 1905.722790] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 1905.722792] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 1905.722793] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 1905.722796] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1905.722797] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1905.722798] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1905.722799]  </NMI>
[ 1905.722799]  <TASK>
[ 1905.722800] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 1905.722802] __dev_queue_xmit (net/core/dev.c:4295) 
[ 1905.722804] ? eth_header (net/ethernet/eth.c:85) 
[ 1905.722806] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 1905.722808] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 1905.722810] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 1905.722813] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 1905.722815] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 1905.722817] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 1905.722819] process_one_work (kernel/workqueue.c:3254) 
[ 1905.722822] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1905.722824] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 1905.722826] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1905.722828] kthread (kernel/kthread.c:388) 
[ 1905.722829] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1905.722831] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 1905.722833] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1905.722834] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 1905.722837]  </TASK>
| [ 1950.156478] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 1950.156663] rcu: 0-....: (1537581 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=364160
| [ 1950.156727] rcu: (t=1533072 jiffies g=53861 q=1581 ncpus=4)
[ 1950.156807] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1950.156872] Workqueue: mld mld_ifc_work
[ 1950.156899] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1950.156932] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 1950.157028] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 1950.157061] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 1950.157107] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 1950.157153] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 1950.157191] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 1950.157229] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 1950.157269] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 1950.157315] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1950.157353] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 1950.157393] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1950.157438] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1950.157476] PKRU: 55555554
[ 1950.157489] Call Trace:
[ 1950.157503]  <IRQ>
[ 1950.157524] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 1950.157556] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 1950.157589] ? notifier_call_chain (kernel/notifier.c:93) 
[ 1950.157623] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 1950.157656] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 1950.157690] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 1950.157723] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 1950.157756] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 1950.157783] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 1950.157816] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 1950.157850] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 1950.157883] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 1950.157916] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 1950.157949]  </IRQ>
[ 1950.157962]  <TASK>
[ 1950.157975] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 1950.158008] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1950.158035] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 1950.158062] __dev_queue_xmit (net/core/dev.c:4295) 
[ 1950.158089] ? eth_header (net/ethernet/eth.c:85) 
[ 1950.158116] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 1950.158143] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 1950.158175] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 1950.158203] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 1950.158230] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 1950.158257] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 1950.158283] process_one_work (kernel/workqueue.c:3254) 
[ 1950.158310] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1950.158343] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 1950.158370] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1950.158404] kthread (kernel/kthread.c:388) 
[ 1950.158430] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1950.158458] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 1950.158485] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1950.158511] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 1971.258515] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 1527290 jiffies s: 6153 root: 0x1/.
| [ 1971.258695] rcu: blocking rcu_node structures (internal RCU debug):
| [ 1971.258733] Sending NMI from CPU 1 to CPUs 0:
| [ 1971.258771] NMI backtrace for cpu 0
[ 1971.258774] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 1971.258776] Workqueue: mld mld_ifc_work
[ 1971.258779] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1971.258780] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 1971.258781] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 1971.258782] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 1971.258783] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 1971.258784] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 1971.258784] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 1971.258785] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 1971.258787] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 1971.258788] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 1971.258789] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 1971.258790] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 1971.258790] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 1971.258791] PKRU: 55555554
[ 1971.258791] Call Trace:
[ 1971.258792]  <NMI>
[ 1971.258793] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 1971.258795] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 1971.258798] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 1971.258802] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 1971.258804] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 1971.258805] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 1971.258808] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1971.258809] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1971.258811] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 1971.258812]  </NMI>
[ 1971.258812]  <TASK>
[ 1971.258812] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 1971.258815] __dev_queue_xmit (net/core/dev.c:4295) 
[ 1971.258816] ? eth_header (net/ethernet/eth.c:85) 
[ 1971.258818] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 1971.258820] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 1971.258822] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 1971.258824] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 1971.258826] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 1971.258828] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 1971.258830] process_one_work (kernel/workqueue.c:3254) 
[ 1971.258833] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1971.258835] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 1971.258837] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 1971.258838] kthread (kernel/kthread.c:388) 
[ 1971.258840] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1971.258841] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 1971.258843] ? __pfx_kthread (kernel/kthread.c:341) 
[ 1971.258844] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 1971.258847]  </TASK>
| [ 2013.159478] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 2013.159579] rcu: 0-....: (1600583 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=379731
| [ 2013.159663] rcu: (t=1596075 jiffies g=53861 q=1581 ncpus=4)
[ 2013.159766] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2013.159852] Workqueue: mld mld_ifc_work
[ 2013.159885] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2013.159933] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 2013.160066] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 2013.160103] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 2013.160160] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 2013.160218] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 2013.160272] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 2013.160326] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 2013.160385] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 2013.160444] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2013.160494] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 2013.160553] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2013.160608] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2013.160665] PKRU: 55555554
[ 2013.160684] Call Trace:
[ 2013.160704]  <IRQ>
[ 2013.160723] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 2013.160764] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 2013.160808] ? notifier_call_chain (kernel/notifier.c:93) 
[ 2013.160851] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 2013.160893] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 2013.160935] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 2013.160977] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 2013.161017] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 2013.161052] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 2013.161090] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 2013.161124] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 2013.161168] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 2013.161204] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 2013.161248]  </IRQ>
[ 2013.161267]  <TASK>
[ 2013.161287] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 2013.161331] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2013.161357] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 2013.161390] __dev_queue_xmit (net/core/dev.c:4295) 
[ 2013.161423] ? eth_header (net/ethernet/eth.c:85) 
[ 2013.161458] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 2013.161486] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 2013.161524] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 2013.161557] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 2013.161590] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 2013.161623] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 2013.161655] process_one_work (kernel/workqueue.c:3254) 
[ 2013.161686] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2013.161725] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 2013.161752] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2013.161796] kthread (kernel/kthread.c:388) 
[ 2013.161825] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2013.161853] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 2013.161888] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2013.161917] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 2036.794501] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 1592826 jiffies s: 6153 root: 0x1/.
| [ 2036.794611] rcu: blocking rcu_node structures (internal RCU debug):
| [ 2036.794649] Sending NMI from CPU 1 to CPUs 0:
| [ 2036.794686] NMI backtrace for cpu 0
[ 2036.794690] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2036.794692] Workqueue: mld mld_ifc_work
[ 2036.794696] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2036.794698] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 2036.794699] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 2036.794700] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 2036.794701] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 2036.794701] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 2036.794702] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 2036.794703] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 2036.794705] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 2036.794706] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2036.794707] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 2036.794708] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2036.794708] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2036.794709] PKRU: 55555554
[ 2036.794710] Call Trace:
[ 2036.794711]  <NMI>
[ 2036.794712] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 2036.794714] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 2036.794718] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 2036.794722] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 2036.794724] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 2036.794725] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 2036.794728] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2036.794729] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2036.794730] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2036.794731]  </NMI>
[ 2036.794731]  <TASK>
[ 2036.794732] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 2036.794735] __dev_queue_xmit (net/core/dev.c:4295) 
[ 2036.794736] ? eth_header (net/ethernet/eth.c:85) 
[ 2036.794739] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 2036.794741] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 2036.794743] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 2036.794746] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 2036.794748] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 2036.794751] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 2036.794752] process_one_work (kernel/workqueue.c:3254) 
[ 2036.794756] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2036.794758] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 2036.794760] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2036.794761] kthread (kernel/kthread.c:388) 
[ 2036.794763] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2036.794764] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 2036.794766] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2036.794768] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 2036.794771]  </TASK>
| [ 2076.162480] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 2076.162683] rcu: 0-....: (1663585 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=395272
| [ 2076.162801] rcu: (t=1659078 jiffies g=53861 q=1581 ncpus=4)
[ 2076.162904] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2076.162990] Workqueue: mld mld_ifc_work
[ 2076.163040] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2076.163091] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 2076.163229] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 2076.163274] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 2076.163333] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 2076.163388] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 2076.163446] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 2076.163509] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 2076.163567] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 2076.163628] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2076.163678] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 2076.163734] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2076.163791] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2076.163845] PKRU: 55555554
[ 2076.163864] Call Trace:
[ 2076.163886]  <IRQ>
[ 2076.163909] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 2076.163961] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 2076.164001] ? notifier_call_chain (kernel/notifier.c:93) 
[ 2076.164043] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 2076.164084] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 2076.164125] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 2076.164167] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 2076.164208] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 2076.164241] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 2076.164276] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 2076.164316] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 2076.164357] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 2076.164398] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 2076.164441]  </IRQ>
[ 2076.164459]  <TASK>
[ 2076.164476] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 2076.164520] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2076.164552] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 2076.164585] __dev_queue_xmit (net/core/dev.c:4295) 
[ 2076.164617] ? eth_header (net/ethernet/eth.c:85) 
[ 2076.164648] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 2076.164680] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 2076.164722] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 2076.164756] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 2076.164790] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 2076.164822] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 2076.164855] process_one_work (kernel/workqueue.c:3254) 
[ 2076.164889] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2076.164930] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 2076.164958] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2076.165001] kthread (kernel/kthread.c:388) 
[ 2076.165033] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2076.165061] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 2076.165096] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2076.165123] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 2102.331488] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 1658363 jiffies s: 6153 root: 0x1/.
| [ 2102.331617] rcu: blocking rcu_node structures (internal RCU debug):
| [ 2102.331662] Sending NMI from CPU 1 to CPUs 0:
| [ 2102.331706] NMI backtrace for cpu 0
[ 2102.331714] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2102.331715] Workqueue: mld mld_ifc_work
[ 2102.331723] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2102.331728] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 2102.331729] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 2102.331731] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 2102.331732] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 2102.331733] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 2102.331734] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 2102.331735] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 2102.331738] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 2102.331739] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2102.331740] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 2102.331741] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2102.331742] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2102.331742] PKRU: 55555554
[ 2102.331743] Call Trace:
[ 2102.331746]  <NMI>
[ 2102.331749] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 2102.331753] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 2102.331758] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 2102.331763] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 2102.331766] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 2102.331767] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 2102.331772] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2102.331774] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2102.331775] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2102.331775]  </NMI>
[ 2102.331776]  <TASK>
[ 2102.331776] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 2102.331781] __dev_queue_xmit (net/core/dev.c:4295) 
[ 2102.331783] ? eth_header (net/ethernet/eth.c:85) 
[ 2102.331787] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 2102.331793] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 2102.331795] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 2102.331800] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 2102.331803] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 2102.331806] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 2102.331808] process_one_work (kernel/workqueue.c:3254) 
[ 2102.331813] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2102.331815] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 2102.331817] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2102.331819] kthread (kernel/kthread.c:388) 
[ 2102.331822] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2102.331823] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 2102.331828] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2102.331829] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 2102.331834]  </TASK>
| [ 2139.165480] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 2139.165721] rcu: 0-....: (1726587 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=409799
| [ 2139.165789] rcu: (t=1722081 jiffies g=53861 q=1581 ncpus=4)
[ 2139.165872] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2139.165940] Workqueue: mld mld_ifc_work
[ 2139.165974] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2139.166011] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 2139.166109] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 2139.166141] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 2139.166185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 2139.166225] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 2139.166264] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 2139.166304] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 2139.166345] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 2139.166389] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2139.166427] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 2139.166467] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2139.166511] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2139.166553] PKRU: 55555554
[ 2139.166566] Call Trace:
[ 2139.166582]  <IRQ>
[ 2139.166601] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 2139.166639] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 2139.166672] ? notifier_call_chain (kernel/notifier.c:93) 
[ 2139.166706] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 2139.166740] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 2139.166774] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 2139.166807] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 2139.166841] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 2139.166868] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 2139.166896] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 2139.166925] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 2139.166958] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 2139.166992] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 2139.167025]  </IRQ>
[ 2139.167039]  <TASK>
[ 2139.167053] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 2139.167088] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2139.167114] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 2139.167142] __dev_queue_xmit (net/core/dev.c:4295) 
[ 2139.167167] ? eth_header (net/ethernet/eth.c:85) 
[ 2139.167194] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 2139.167221] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 2139.167253] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 2139.167280] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 2139.167306] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 2139.167333] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 2139.167359] process_one_work (kernel/workqueue.c:3254) 
[ 2139.167385] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2139.167418] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 2139.167445] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2139.167478] kthread (kernel/kthread.c:388) 
[ 2139.167504] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2139.167530] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 2139.167563] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2139.167589] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 2167.866486] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 1723898 jiffies s: 6153 root: 0x1/.
| [ 2167.866768] rcu: blocking rcu_node structures (internal RCU debug):
| [ 2167.866815] Sending NMI from CPU 1 to CPUs 0:
| [ 2167.866864] NMI backtrace for cpu 0
[ 2167.866872] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2167.866874] Workqueue: mld mld_ifc_work
[ 2167.866882] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2167.866886] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 2167.866888] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 2167.866889] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 2167.866891] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 2167.866892] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 2167.866893] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 2167.866893] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 2167.866897] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 2167.866898] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2167.866899] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 2167.866899] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2167.866900] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2167.866901] PKRU: 55555554
[ 2167.866902] Call Trace:
[ 2167.866904]  <NMI>
[ 2167.866907] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 2167.866911] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 2167.866917] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 2167.866923] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 2167.866925] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 2167.866927] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 2167.866932] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2167.866934] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2167.866935] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2167.866936]  </NMI>
[ 2167.866936]  <TASK>
[ 2167.866937] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 2167.866941] __dev_queue_xmit (net/core/dev.c:4295) 
[ 2167.866943] ? eth_header (net/ethernet/eth.c:85) 
[ 2167.866948] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 2167.866953] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 2167.866954] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 2167.866958] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 2167.866961] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 2167.866963] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 2167.866965] process_one_work (kernel/workqueue.c:3254) 
[ 2167.866969] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2167.866971] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 2167.866973] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2167.866974] kthread (kernel/kthread.c:388) 
[ 2167.866977] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2167.866979] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 2167.866983] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2167.866985] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 2167.866990]  </TASK>
| [ 2202.168479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 2202.168750] rcu: 0-....: (1789589 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=424127
| [ 2202.168816] rcu: (t=1785084 jiffies g=53861 q=1581 ncpus=4)
[ 2202.168899] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2202.168964] Workqueue: mld mld_ifc_work
[ 2202.168999] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2202.169039] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 2202.169139] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 2202.169171] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 2202.169218] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 2202.169259] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 2202.169299] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 2202.169340] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 2202.169384] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 2202.169431] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2202.169472] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 2202.169521] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2202.169567] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2202.169609] PKRU: 55555554
[ 2202.169623] Call Trace:
[ 2202.169639]  <IRQ>
[ 2202.169659] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 2202.169697] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 2202.169731] ? notifier_call_chain (kernel/notifier.c:93) 
[ 2202.169765] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 2202.169799] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 2202.169832] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 2202.169866] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 2202.169903] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 2202.169929] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 2202.169957] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 2202.169991] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 2202.170025] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 2202.170059] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 2202.170092]  </IRQ>
[ 2202.170106]  <TASK>
[ 2202.170120] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 2202.170155] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2202.170181] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 2202.170209] __dev_queue_xmit (net/core/dev.c:4295) 
[ 2202.170235] ? eth_header (net/ethernet/eth.c:85) 
[ 2202.170267] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 2202.170294] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 2202.170327] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 2202.170358] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 2202.170383] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 2202.170410] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 2202.170435] process_one_work (kernel/workqueue.c:3254) 
[ 2202.170464] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2202.170496] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 2202.170522] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2202.170555] kthread (kernel/kthread.c:388) 
[ 2202.170581] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2202.170607] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 2202.170637] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2202.170662] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 2233.403485] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 1789434 jiffies s: 6153 root: 0x1/.
| [ 2233.403768] rcu: blocking rcu_node structures (internal RCU debug):
| [ 2233.403815] Sending NMI from CPU 1 to CPUs 0:
| [ 2233.403862] NMI backtrace for cpu 0
[ 2233.403871] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2233.403872] Workqueue: mld mld_ifc_work
[ 2233.403881] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2233.403886] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 2233.403887] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 2233.403888] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 2233.403890] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 2233.403891] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 2233.403892] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 2233.403893] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 2233.403896] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 2233.403897] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2233.403898] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 2233.403898] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2233.403899] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2233.403900] PKRU: 55555554
[ 2233.403900] Call Trace:
[ 2233.403903]  <NMI>
[ 2233.403906] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 2233.403910] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 2233.403916] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 2233.403921] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 2233.403924] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 2233.403925] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 2233.403930] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2233.403931] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2233.403932] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2233.403933]  </NMI>
[ 2233.403933]  <TASK>
[ 2233.403934] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 2233.403938] __dev_queue_xmit (net/core/dev.c:4295) 
[ 2233.403940] ? eth_header (net/ethernet/eth.c:85) 
[ 2233.403945] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 2233.403950] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 2233.403952] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 2233.403957] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 2233.403960] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 2233.403963] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 2233.403965] process_one_work (kernel/workqueue.c:3254) 
[ 2233.403969] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2233.403971] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 2233.403973] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2233.403975] kthread (kernel/kthread.c:388) 
[ 2233.403979] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2233.403980] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 2233.403985] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2233.403986] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 2233.403992]  </TASK>
| [ 2265.171479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 2265.171652] rcu: 0-....: (1852591 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=438572
| [ 2265.171714] rcu: (t=1848087 jiffies g=53861 q=1581 ncpus=4)
[ 2265.171790] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2265.171853] Workqueue: mld mld_ifc_work
[ 2265.171886] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2265.171921] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 2265.172022] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 2265.172055] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 2265.172101] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 2265.172143] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 2265.172184] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 2265.172224] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 2265.172267] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 2265.172313] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2265.172351] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 2265.172394] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2265.172439] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2265.172480] PKRU: 55555554
[ 2265.172493] Call Trace:
[ 2265.172510]  <IRQ>
[ 2265.172529] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 2265.172568] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 2265.172602] ? notifier_call_chain (kernel/notifier.c:93) 
[ 2265.172636] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 2265.172669] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 2265.172703] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 2265.172736] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 2265.172769] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 2265.172796] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 2265.172823] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 2265.172851] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 2265.172884] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 2265.172917] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 2265.172951]  </IRQ>
[ 2265.172965]  <TASK>
[ 2265.172979] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 2265.173013] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2265.173039] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 2265.173066] __dev_queue_xmit (net/core/dev.c:4295) 
[ 2265.173092] ? eth_header (net/ethernet/eth.c:85) 
[ 2265.173118] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 2265.173144] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 2265.173177] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 2265.173208] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 2265.173234] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 2265.173261] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 2265.173286] process_one_work (kernel/workqueue.c:3254) 
[ 2265.173315] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2265.173348] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 2265.173374] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2265.173407] kthread (kernel/kthread.c:388) 
[ 2265.173433] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2265.173459] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 2265.173485] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2265.173506] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 2298.938499] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 1854970 jiffies s: 6153 root: 0x1/.
| [ 2298.938689] rcu: blocking rcu_node structures (internal RCU debug):
| [ 2298.938737] Sending NMI from CPU 1 to CPUs 0:
| [ 2298.938785] NMI backtrace for cpu 0
[ 2298.938793] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2298.938795] Workqueue: mld mld_ifc_work
[ 2298.938803] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2298.938808] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 2298.938810] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 2298.938811] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 2298.938813] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 2298.938814] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 2298.938815] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 2298.938816] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 2298.938818] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 2298.938820] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2298.938820] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 2298.938821] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2298.938822] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2298.938822] PKRU: 55555554
[ 2298.938823] Call Trace:
[ 2298.938826]  <NMI>
[ 2298.938829] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 2298.938832] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 2298.938838] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 2298.938843] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 2298.938846] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 2298.938847] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 2298.938852] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2298.938853] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2298.938855] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2298.938856]  </NMI>
[ 2298.938856]  <TASK>
[ 2298.938857] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 2298.938861] __dev_queue_xmit (net/core/dev.c:4295) 
[ 2298.938863] ? eth_header (net/ethernet/eth.c:85) 
[ 2298.938869] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 2298.938874] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 2298.938876] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 2298.938880] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 2298.938883] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 2298.938886] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 2298.938888] process_one_work (kernel/workqueue.c:3254) 
[ 2298.938892] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2298.938894] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 2298.938896] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2298.938897] kthread (kernel/kthread.c:388) 
[ 2298.938899] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2298.938900] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 2298.938905] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2298.938906] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 2298.938911]  </TASK>
| [ 2328.174479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 2328.174644] rcu: 0-....: (1915593 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=452755
| [ 2328.174706] rcu: (t=1911090 jiffies g=53861 q=1581 ncpus=4)
[ 2328.174785] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2328.174853] Workqueue: mld mld_ifc_work
[ 2328.174889] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2328.174929] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 2328.175030] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 2328.175063] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 2328.175104] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 2328.175146] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 2328.175187] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 2328.175227] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 2328.175269] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 2328.175315] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2328.175353] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 2328.175395] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2328.175440] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2328.175480] PKRU: 55555554
[ 2328.175493] Call Trace:
[ 2328.175509]  <IRQ>
[ 2328.175527] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 2328.175561] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 2328.175595] ? notifier_call_chain (kernel/notifier.c:93) 
[ 2328.175627] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 2328.175659] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 2328.175691] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 2328.175723] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 2328.175756] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 2328.175782] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 2328.175810] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 2328.175844] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 2328.175877] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 2328.175910] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 2328.175943]  </IRQ>
[ 2328.175957]  <TASK>
[ 2328.175970] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 2328.176004] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2328.176030] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 2328.176057] __dev_queue_xmit (net/core/dev.c:4295) 
[ 2328.176083] ? eth_header (net/ethernet/eth.c:85) 
[ 2328.176109] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 2328.176135] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 2328.176168] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 2328.176195] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 2328.176221] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 2328.176248] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 2328.176273] process_one_work (kernel/workqueue.c:3254) 
[ 2328.176299] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2328.176331] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 2328.176357] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2328.176390] kthread (kernel/kthread.c:388) 
[ 2328.176417] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2328.176437] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 2328.176464] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2328.176489] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 2364.474487] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 1920506 jiffies s: 6153 root: 0x1/.
| [ 2364.474679] rcu: blocking rcu_node structures (internal RCU debug):
| [ 2364.474725] Sending NMI from CPU 1 to CPUs 0:
| [ 2364.474772] NMI backtrace for cpu 0
[ 2364.474779] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2364.474781] Workqueue: mld mld_ifc_work
[ 2364.474790] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2364.474795] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 2364.474796] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 2364.474798] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 2364.474799] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 2364.474800] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 2364.474801] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 2364.474802] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 2364.474805] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 2364.474806] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2364.474807] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 2364.474808] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2364.474809] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2364.474809] PKRU: 55555554
[ 2364.474810] Call Trace:
[ 2364.474812]  <NMI>
[ 2364.474815] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 2364.474819] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 2364.474825] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 2364.474830] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 2364.474833] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 2364.474834] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 2364.474839] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2364.474840] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2364.474841] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2364.474842]  </NMI>
[ 2364.474843]  <TASK>
[ 2364.474843] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 2364.474847] __dev_queue_xmit (net/core/dev.c:4295) 
[ 2364.474849] ? eth_header (net/ethernet/eth.c:85) 
[ 2364.474854] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 2364.474859] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 2364.474861] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 2364.474866] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 2364.474869] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 2364.474872] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 2364.474874] process_one_work (kernel/workqueue.c:3254) 
[ 2364.474878] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2364.474880] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 2364.474883] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2364.474884] kthread (kernel/kthread.c:388) 
[ 2364.474888] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2364.474889] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 2364.474894] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2364.474895] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 2364.474900]  </TASK>
| [ 2391.177479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 2391.177640] rcu: 0-....: (1978595 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=466728
| [ 2391.177705] rcu: (t=1974093 jiffies g=53861 q=1581 ncpus=4)
[ 2391.177783] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2391.177848] Workqueue: mld mld_ifc_work
[ 2391.177881] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2391.177916] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 2391.178016] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 2391.178049] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 2391.178091] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 2391.178132] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 2391.178173] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 2391.178214] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 2391.178256] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 2391.178303] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2391.178341] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 2391.178384] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2391.178429] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2391.178470] PKRU: 55555554
[ 2391.178484] Call Trace:
[ 2391.178500]  <IRQ>
[ 2391.178518] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 2391.178554] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 2391.178587] ? notifier_call_chain (kernel/notifier.c:93) 
[ 2391.178620] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 2391.178653] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 2391.178686] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 2391.178720] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 2391.178753] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 2391.178779] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 2391.178807] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 2391.178835] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 2391.178863] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 2391.178896] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 2391.178929]  </IRQ>
[ 2391.178943]  <TASK>
[ 2391.178957] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 2391.178991] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2391.179017] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 2391.179044] __dev_queue_xmit (net/core/dev.c:4295) 
[ 2391.179070] ? eth_header (net/ethernet/eth.c:85) 
[ 2391.179100] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 2391.179127] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 2391.179159] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 2391.179188] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 2391.179213] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 2391.179239] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 2391.179264] process_one_work (kernel/workqueue.c:3254) 
[ 2391.179289] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2391.179320] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 2391.179347] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2391.179379] kthread (kernel/kthread.c:388) 
[ 2391.179405] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2391.179426] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 2391.179452] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2391.179473] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 2430.010483] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 1986042 jiffies s: 6153 root: 0x1/.
| [ 2430.010624] rcu: blocking rcu_node structures (internal RCU debug):
| [ 2430.010681] Sending NMI from CPU 1 to CPUs 0:
| [ 2430.010729] NMI backtrace for cpu 0
[ 2430.010737] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2430.010739] Workqueue: mld mld_ifc_work
[ 2430.010747] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2430.010751] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 2430.010753] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 2430.010755] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 2430.010756] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 2430.010757] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 2430.010758] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 2430.010758] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 2430.010761] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 2430.010762] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2430.010763] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 2430.010764] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2430.010765] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2430.010766] PKRU: 55555554
[ 2430.010766] Call Trace:
[ 2430.010769]  <NMI>
[ 2430.010772] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 2430.010776] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 2430.010781] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 2430.010786] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 2430.010789] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 2430.010790] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 2430.010795] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2430.010796] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2430.010797] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2430.010798]  </NMI>
[ 2430.010798]  <TASK>
[ 2430.010799] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 2430.010804] __dev_queue_xmit (net/core/dev.c:4295) 
[ 2430.010806] ? eth_header (net/ethernet/eth.c:85) 
[ 2430.010810] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 2430.010816] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 2430.010818] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 2430.010824] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 2430.010826] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 2430.010829] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 2430.010831] process_one_work (kernel/workqueue.c:3254) 
[ 2430.010836] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2430.010838] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 2430.010840] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2430.010842] kthread (kernel/kthread.c:388) 
[ 2430.010846] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2430.010847] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 2430.010852] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2430.010853] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 2430.010858]  </TASK>
| [ 2454.180494] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 2454.180675] rcu: 0-....: (2041597 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=481143
| [ 2454.180736] rcu: (t=2037096 jiffies g=53861 q=1581 ncpus=4)
[ 2454.180812] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2454.180881] Workqueue: mld mld_ifc_work
[ 2454.180914] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2454.180950] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 2454.181050] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 2454.181082] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 2454.181124] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 2454.181165] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 2454.181207] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 2454.181248] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 2454.181290] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 2454.181334] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2454.181371] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 2454.181411] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2454.181455] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2454.181494] PKRU: 55555554
[ 2454.181507] Call Trace:
[ 2454.181522]  <IRQ>
[ 2454.181541] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 2454.181576] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 2454.181608] ? notifier_call_chain (kernel/notifier.c:93) 
[ 2454.181641] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 2454.181673] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 2454.181706] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 2454.181739] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 2454.181772] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 2454.181798] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 2454.181825] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 2454.181853] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 2454.181896] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 2454.181928] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 2454.181959]  </IRQ>
[ 2454.181973]  <TASK>
[ 2454.181986] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 2454.182019] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2454.182044] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 2454.182070] __dev_queue_xmit (net/core/dev.c:4295) 
[ 2454.182095] ? eth_header (net/ethernet/eth.c:85) 
[ 2454.182125] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 2454.182151] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 2454.182181] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 2454.182211] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 2454.182237] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 2454.182262] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 2454.182288] process_one_work (kernel/workqueue.c:3254) 
[ 2454.182313] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2454.182345] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 2454.182371] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2454.182403] kthread (kernel/kthread.c:388) 
[ 2454.182427] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2454.182447] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 2454.182477] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2454.182502] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 2495.546485] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2051578 jiffies s: 6153 root: 0x1/.
| [ 2495.546700] rcu: blocking rcu_node structures (internal RCU debug):
| [ 2495.546746] Sending NMI from CPU 1 to CPUs 0:
| [ 2495.546793] NMI backtrace for cpu 0
[ 2495.546801] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2495.546803] Workqueue: mld mld_ifc_work
[ 2495.546810] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2495.546815] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 2495.546816] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 2495.546818] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 2495.546819] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 2495.546820] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 2495.546821] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 2495.546822] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 2495.546825] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 2495.546826] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2495.546827] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 2495.546828] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2495.546828] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2495.546829] PKRU: 55555554
[ 2495.546830] Call Trace:
[ 2495.546833]  <NMI>
[ 2495.546836] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 2495.546840] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 2495.546846] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 2495.546851] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 2495.546854] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 2495.546855] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 2495.546860] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2495.546862] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2495.546863] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2495.546864]  </NMI>
[ 2495.546864]  <TASK>
[ 2495.546865] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 2495.546869] __dev_queue_xmit (net/core/dev.c:4295) 
[ 2495.546871] ? eth_header (net/ethernet/eth.c:85) 
[ 2495.546875] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 2495.546880] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 2495.546882] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 2495.546887] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 2495.546889] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 2495.546892] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 2495.546894] process_one_work (kernel/workqueue.c:3254) 
[ 2495.546899] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2495.546901] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 2495.546903] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2495.546905] kthread (kernel/kthread.c:388) 
[ 2495.546908] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2495.546909] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 2495.546914] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2495.546915] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 2495.546921]  </TASK>
| [ 2517.183479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 2517.183636] rcu: 0-....: (2104599 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=495632
| [ 2517.183696] rcu: (t=2100099 jiffies g=53861 q=1581 ncpus=4)
[ 2517.183769] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2517.183832] Workqueue: mld mld_ifc_work
[ 2517.183867] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2517.183904] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 2517.184005] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 2517.184038] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 2517.184079] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 2517.184120] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 2517.184161] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 2517.184202] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 2517.184245] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 2517.184292] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2517.184330] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 2517.184372] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2517.184418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2517.184460] PKRU: 55555554
[ 2517.184473] Call Trace:
[ 2517.184489]  <IRQ>
[ 2517.184508] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 2517.184547] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 2517.184580] ? notifier_call_chain (kernel/notifier.c:93) 
[ 2517.184614] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 2517.184647] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 2517.184681] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 2517.184713] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 2517.184746] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 2517.184772] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 2517.184799] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 2517.184833] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 2517.184866] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 2517.184899] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 2517.184932]  </IRQ>
[ 2517.184946]  <TASK>
[ 2517.184960] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 2517.184994] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2517.185019] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 2517.185047] __dev_queue_xmit (net/core/dev.c:4295) 
[ 2517.185073] ? eth_header (net/ethernet/eth.c:85) 
[ 2517.185102] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 2517.185128] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 2517.185161] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 2517.185189] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 2517.185215] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 2517.185242] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 2517.185268] process_one_work (kernel/workqueue.c:3254) 
[ 2517.185297] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2517.185329] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 2517.185356] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2517.185389] kthread (kernel/kthread.c:388) 
[ 2517.185415] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2517.185436] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 2517.185466] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2517.185492] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 2561.082486] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2117114 jiffies s: 6153 root: 0x1/.
| [ 2561.082674] rcu: blocking rcu_node structures (internal RCU debug):
| [ 2561.082718] Sending NMI from CPU 1 to CPUs 0:
| [ 2561.082762] NMI backtrace for cpu 0
[ 2561.082769] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2561.082771] Workqueue: mld mld_ifc_work
[ 2561.082780] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2561.082784] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 2561.082785] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 2561.082787] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 2561.082788] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 2561.082789] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 2561.082790] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 2561.082791] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 2561.082793] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 2561.082794] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2561.082795] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 2561.082796] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2561.082797] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2561.082797] PKRU: 55555554
[ 2561.082798] Call Trace:
[ 2561.082801]  <NMI>
[ 2561.082803] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 2561.082807] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 2561.082813] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 2561.082818] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 2561.082821] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 2561.082822] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 2561.082827] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2561.082828] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2561.082829] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2561.082830]  </NMI>
[ 2561.082830]  <TASK>
[ 2561.082831] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 2561.082835] __dev_queue_xmit (net/core/dev.c:4295) 
[ 2561.082837] ? eth_header (net/ethernet/eth.c:85) 
[ 2561.082842] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 2561.082847] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 2561.082849] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 2561.082854] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 2561.082857] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 2561.082860] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 2561.082862] process_one_work (kernel/workqueue.c:3254) 
[ 2561.082867] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2561.082869] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 2561.082871] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2561.082873] kthread (kernel/kthread.c:388) 
[ 2561.082876] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2561.082878] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 2561.082882] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2561.082883] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 2561.082889]  </TASK>
| [ 2580.186479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 2580.186641] rcu: 0-....: (2167601 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=510749
| [ 2580.186703] rcu: (t=2163102 jiffies g=53861 q=1581 ncpus=4)
[ 2580.186783] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2580.186847] Workqueue: mld mld_ifc_work
[ 2580.186879] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2580.186913] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 2580.187007] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 2580.187038] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 2580.187082] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 2580.187126] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 2580.187169] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 2580.187213] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 2580.187253] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 2580.187296] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2580.187332] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 2580.187372] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2580.187414] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2580.187452] PKRU: 55555554
[ 2580.187465] Call Trace:
[ 2580.187480]  <IRQ>
[ 2580.187498] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 2580.187532] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 2580.187563] ? notifier_call_chain (kernel/notifier.c:93) 
[ 2580.187594] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 2580.187625] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 2580.187655] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 2580.187687] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 2580.187717] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 2580.187742] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 2580.187773] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 2580.187804] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 2580.187835] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 2580.187865] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 2580.187896]  </IRQ>
[ 2580.187908]  <TASK>
[ 2580.187921] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 2580.187953] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2580.187977] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 2580.188002] __dev_queue_xmit (net/core/dev.c:4295) 
[ 2580.188026] ? eth_header (net/ethernet/eth.c:85) 
[ 2580.188054] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 2580.188086] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 2580.188116] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 2580.188142] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 2580.188167] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 2580.188192] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 2580.188216] process_one_work (kernel/workqueue.c:3254) 
[ 2580.188244] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2580.188275] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 2580.188300] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2580.188331] kthread (kernel/kthread.c:388) 
[ 2580.188356] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2580.188380] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 2580.188405] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2580.188430] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 2626.618501] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2182650 jiffies s: 6153 root: 0x1/.
| [ 2626.618694] rcu: blocking rcu_node structures (internal RCU debug):
| [ 2626.618739] Sending NMI from CPU 1 to CPUs 0:
| [ 2626.618783] NMI backtrace for cpu 0
[ 2626.618790] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2626.618792] Workqueue: mld mld_ifc_work
[ 2626.618801] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2626.618805] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 2626.618806] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 2626.618808] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 2626.618809] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 2626.618811] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 2626.618812] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 2626.618812] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 2626.618815] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 2626.618816] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2626.618817] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 2626.618818] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2626.618818] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2626.618819] PKRU: 55555554
[ 2626.618820] Call Trace:
[ 2626.618823]  <NMI>
[ 2626.618826] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 2626.618829] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 2626.618835] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 2626.618841] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 2626.618843] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 2626.618845] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 2626.618849] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2626.618850] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2626.618851] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2626.618852]  </NMI>
[ 2626.618853]  <TASK>
[ 2626.618854] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 2626.618858] __dev_queue_xmit (net/core/dev.c:4295) 
[ 2626.618860] ? eth_header (net/ethernet/eth.c:85) 
[ 2626.618865] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 2626.618871] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 2626.618872] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 2626.618878] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 2626.618880] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 2626.618883] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 2626.618885] process_one_work (kernel/workqueue.c:3254) 
[ 2626.618890] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2626.618892] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 2626.618894] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2626.618896] kthread (kernel/kthread.c:388) 
[ 2626.618899] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2626.618901] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 2626.618905] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2626.618906] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 2626.618912]  </TASK>
| [ 2643.189480] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 2643.189687] rcu: 0-....: (2230604 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=525589
| [ 2643.189753] rcu: (t=2226105 jiffies g=53861 q=1581 ncpus=4)
[ 2643.189834] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2643.189904] Workqueue: mld mld_ifc_work
[ 2643.189938] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2643.189978] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 2643.190080] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 2643.190113] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 2643.190159] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 2643.190201] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 2643.190248] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 2643.190290] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 2643.190335] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 2643.190382] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2643.190421] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 2643.190462] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2643.190508] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2643.190548] PKRU: 55555554
[ 2643.190562] Call Trace:
[ 2643.190578]  <IRQ>
[ 2643.190597] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 2643.190635] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 2643.190668] ? notifier_call_chain (kernel/notifier.c:93) 
[ 2643.190703] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 2643.190737] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 2643.190772] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 2643.190806] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 2643.190838] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 2643.190864] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 2643.190892] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 2643.190925] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 2643.190958] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 2643.190998] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 2643.191032]  </IRQ>
[ 2643.191046]  <TASK>
[ 2643.191061] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 2643.191095] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2643.191121] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 2643.191149] __dev_queue_xmit (net/core/dev.c:4295) 
[ 2643.191175] ? eth_header (net/ethernet/eth.c:85) 
[ 2643.191201] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 2643.191229] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 2643.191262] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 2643.191296] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 2643.191324] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 2643.191353] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 2643.191379] process_one_work (kernel/workqueue.c:3254) 
[ 2643.191406] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2643.191440] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 2643.191467] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2643.191500] kthread (kernel/kthread.c:388) 
[ 2643.191522] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2643.191543] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 2643.191571] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2643.191597] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 2692.155489] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2248186 jiffies s: 6153 root: 0x1/.
| [ 2692.155619] rcu: blocking rcu_node structures (internal RCU debug):
| [ 2692.155666] Sending NMI from CPU 1 to CPUs 0:
| [ 2692.155713] NMI backtrace for cpu 0
[ 2692.155721] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2692.155723] Workqueue: mld mld_ifc_work
[ 2692.155731] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2692.155736] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 2692.155737] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 2692.155739] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 2692.155740] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 2692.155741] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 2692.155742] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 2692.155743] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 2692.155746] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 2692.155747] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2692.155748] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 2692.155749] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2692.155749] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2692.155750] PKRU: 55555554
[ 2692.155751] Call Trace:
[ 2692.155754]  <NMI>
[ 2692.155757] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 2692.155761] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 2692.155767] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 2692.155772] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 2692.155774] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 2692.155776] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 2692.155781] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2692.155782] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2692.155783] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2692.155784]  </NMI>
[ 2692.155785]  <TASK>
[ 2692.155785] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 2692.155790] __dev_queue_xmit (net/core/dev.c:4295) 
[ 2692.155792] ? eth_header (net/ethernet/eth.c:85) 
[ 2692.155798] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 2692.155802] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 2692.155804] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 2692.155809] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 2692.155812] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 2692.155815] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 2692.155817] process_one_work (kernel/workqueue.c:3254) 
[ 2692.155822] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2692.155824] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 2692.155827] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2692.155828] kthread (kernel/kthread.c:388) 
[ 2692.155831] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2692.155833] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 2692.155838] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2692.155839] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 2692.155845]  </TASK>
| [ 2706.192488] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 2706.192662] rcu: 0-....: (2293606 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=540136
| [ 2706.192723] rcu: (t=2289108 jiffies g=53861 q=1581 ncpus=4)
[ 2706.192801] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2706.192865] Workqueue: mld mld_ifc_work
[ 2706.192901] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2706.192932] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 2706.193029] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 2706.193062] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 2706.193103] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 2706.193143] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 2706.193183] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 2706.193222] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 2706.193263] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 2706.193307] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2706.193346] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 2706.193387] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2706.193431] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2706.193470] PKRU: 55555554
[ 2706.193484] Call Trace:
[ 2706.193499]  <IRQ>
[ 2706.193518] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 2706.193553] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 2706.193585] ? notifier_call_chain (kernel/notifier.c:93) 
[ 2706.193618] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 2706.193651] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 2706.193684] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 2706.193717] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 2706.193753] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 2706.193778] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 2706.193810] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 2706.193843] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 2706.193876] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 2706.193909] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 2706.193944]  </IRQ>
[ 2706.193958]  <TASK>
[ 2706.193972] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 2706.194006] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2706.194031] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 2706.194058] __dev_queue_xmit (net/core/dev.c:4295) 
[ 2706.194084] ? eth_header (net/ethernet/eth.c:85) 
[ 2706.194110] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 2706.194136] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 2706.194168] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 2706.194195] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 2706.194221] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 2706.194247] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 2706.194273] process_one_work (kernel/workqueue.c:3254) 
[ 2706.194299] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2706.194331] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 2706.194357] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2706.194388] kthread (kernel/kthread.c:388) 
[ 2706.194414] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2706.194434] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 2706.194460] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2706.194484] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 2757.691487] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2313723 jiffies s: 6153 root: 0x1/.
| [ 2757.691704] rcu: blocking rcu_node structures (internal RCU debug):
| [ 2757.691751] Sending NMI from CPU 1 to CPUs 0:
| [ 2757.691796] NMI backtrace for cpu 0
[ 2757.691804] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2757.691806] Workqueue: mld mld_ifc_work
[ 2757.691814] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2757.691818] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 2757.691819] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 2757.691820] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 2757.691822] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 2757.691823] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 2757.691824] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 2757.691824] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 2757.691827] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 2757.691828] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2757.691829] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 2757.691830] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2757.691830] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2757.691831] PKRU: 55555554
[ 2757.691832] Call Trace:
[ 2757.691834]  <NMI>
[ 2757.691836] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 2757.691840] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 2757.691846] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 2757.691850] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 2757.691853] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 2757.691855] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 2757.691859] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2757.691860] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2757.691861] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2757.691862]  </NMI>
[ 2757.691863]  <TASK>
[ 2757.691863] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 2757.691867] __dev_queue_xmit (net/core/dev.c:4295) 
[ 2757.691869] ? eth_header (net/ethernet/eth.c:85) 
[ 2757.691873] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 2757.691878] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 2757.691880] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 2757.691884] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 2757.691887] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 2757.691889] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 2757.691891] process_one_work (kernel/workqueue.c:3254) 
[ 2757.691895] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2757.691897] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 2757.691899] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2757.691900] kthread (kernel/kthread.c:388) 
[ 2757.691902] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2757.691903] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 2757.691908] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2757.691909] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 2757.691914]  </TASK>
| [ 2769.195486] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 2769.195649] rcu: 0-....: (2356608 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=554647
| [ 2769.195716] rcu: (t=2352111 jiffies g=53861 q=1581 ncpus=4)
[ 2769.195795] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2769.195860] Workqueue: mld mld_ifc_work
[ 2769.195891] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2769.195926] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 2769.196022] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 2769.196054] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 2769.196095] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 2769.196134] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 2769.196173] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 2769.196213] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 2769.196254] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 2769.196297] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2769.196334] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 2769.196374] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2769.196417] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2769.196455] PKRU: 55555554
[ 2769.196468] Call Trace:
[ 2769.196486]  <IRQ>
[ 2769.196509] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 2769.196546] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 2769.196578] ? notifier_call_chain (kernel/notifier.c:93) 
[ 2769.196612] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 2769.196645] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 2769.196678] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 2769.196711] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 2769.196745] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 2769.196771] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 2769.196803] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 2769.196835] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 2769.196867] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 2769.196899] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 2769.196933]  </IRQ>
[ 2769.196946]  <TASK>
[ 2769.196960] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 2769.196994] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2769.197020] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 2769.197047] __dev_queue_xmit (net/core/dev.c:4295) 
[ 2769.197073] ? eth_header (net/ethernet/eth.c:85) 
[ 2769.197099] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 2769.197125] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 2769.197157] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 2769.197183] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 2769.197208] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 2769.197234] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 2769.197260] process_one_work (kernel/workqueue.c:3254) 
[ 2769.197285] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2769.197318] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 2769.197345] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2769.197377] kthread (kernel/kthread.c:388) 
[ 2769.197402] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2769.197422] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 2769.197447] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2769.197472] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 2823.227494] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2379259 jiffies s: 6153 root: 0x1/.
| [ 2823.227624] rcu: blocking rcu_node structures (internal RCU debug):
| [ 2823.227672] Sending NMI from CPU 1 to CPUs 0:
| [ 2823.227727] NMI backtrace for cpu 0
[ 2823.227735] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2823.227737] Workqueue: mld mld_ifc_work
[ 2823.227746] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2823.227750] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 2823.227752] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 2823.227753] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 2823.227754] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 2823.227755] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 2823.227756] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 2823.227757] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 2823.227760] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 2823.227762] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2823.227762] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 2823.227763] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2823.227764] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2823.227765] PKRU: 55555554
[ 2823.227765] Call Trace:
[ 2823.227768]  <NMI>
[ 2823.227770] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 2823.227774] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 2823.227779] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 2823.227784] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 2823.227787] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 2823.227789] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 2823.227794] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2823.227795] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2823.227796] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2823.227798]  </NMI>
[ 2823.227798]  <TASK>
[ 2823.227798] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 2823.227803] __dev_queue_xmit (net/core/dev.c:4295) 
[ 2823.227805] ? eth_header (net/ethernet/eth.c:85) 
[ 2823.227809] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 2823.227814] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 2823.227815] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 2823.227820] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 2823.227823] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 2823.227825] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 2823.227827] process_one_work (kernel/workqueue.c:3254) 
[ 2823.227832] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2823.227834] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 2823.227836] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2823.227838] kthread (kernel/kthread.c:388) 
[ 2823.227841] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2823.227842] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 2823.227847] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2823.227848] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 2823.227853]  </TASK>
| [ 2832.198479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 2832.198650] rcu: 0-....: (2419610 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=568892
| [ 2832.198710] rcu: (t=2415114 jiffies g=53861 q=1581 ncpus=4)
[ 2832.198795] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2832.198862] Workqueue: mld mld_ifc_work
[ 2832.198895] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2832.198927] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 2832.199026] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 2832.199054] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 2832.199095] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 2832.199136] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 2832.199177] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 2832.199218] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 2832.199261] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 2832.199307] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2832.199346] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 2832.199388] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2832.199434] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2832.199476] PKRU: 55555554
[ 2832.199489] Call Trace:
[ 2832.199504]  <IRQ>
[ 2832.199524] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 2832.199560] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 2832.199593] ? notifier_call_chain (kernel/notifier.c:93) 
[ 2832.199626] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 2832.199659] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 2832.199692] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 2832.199725] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 2832.199762] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 2832.199788] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 2832.199815] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 2832.199849] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 2832.199882] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 2832.199915] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 2832.199948]  </IRQ>
[ 2832.199962]  <TASK>
[ 2832.199976] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 2832.200010] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2832.200036] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 2832.200063] __dev_queue_xmit (net/core/dev.c:4295) 
[ 2832.200089] ? eth_header (net/ethernet/eth.c:85) 
[ 2832.200115] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 2832.200141] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 2832.200174] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 2832.200200] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 2832.200226] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 2832.200253] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 2832.200279] process_one_work (kernel/workqueue.c:3254) 
[ 2832.200305] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2832.200338] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 2832.200364] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2832.200398] kthread (kernel/kthread.c:388) 
[ 2832.200418] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2832.200440] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 2832.200466] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2832.200487] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 2888.762487] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2444794 jiffies s: 6153 root: 0x1/.
| [ 2888.762719] rcu: blocking rcu_node structures (internal RCU debug):
| [ 2888.762773] Sending NMI from CPU 1 to CPUs 0:
| [ 2888.762822] NMI backtrace for cpu 0
[ 2888.762830] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2888.762832] Workqueue: mld mld_ifc_work
[ 2888.762840] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2888.762844] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 2888.762846] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 2888.762848] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 2888.762849] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 2888.762850] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 2888.762851] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 2888.762852] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 2888.762854] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 2888.762855] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2888.762856] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 2888.762857] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2888.762857] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2888.762858] PKRU: 55555554
[ 2888.762859] Call Trace:
[ 2888.762861]  <NMI>
[ 2888.762864] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 2888.762868] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 2888.762874] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 2888.762879] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 2888.762882] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 2888.762883] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 2888.762888] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2888.762889] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2888.762890] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2888.762891]  </NMI>
[ 2888.762891]  <TASK>
[ 2888.762892] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 2888.762896] __dev_queue_xmit (net/core/dev.c:4295) 
[ 2888.762898] ? eth_header (net/ethernet/eth.c:85) 
[ 2888.762902] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 2888.762907] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 2888.762908] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 2888.762913] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 2888.762915] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 2888.762918] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 2888.762921] process_one_work (kernel/workqueue.c:3254) 
[ 2888.762925] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2888.762927] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 2888.762930] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2888.762931] kthread (kernel/kthread.c:388) 
[ 2888.762935] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2888.762936] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 2888.762941] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2888.762942] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 2888.762947]  </TASK>
| [ 2895.201478] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 2895.201570] rcu: 0-....: (2482612 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=583669
| [ 2895.201628] rcu: (t=2478117 jiffies g=53861 q=1581 ncpus=4)
[ 2895.201706] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2895.201766] Workqueue: mld mld_ifc_work
[ 2895.201797] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2895.201829] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 2895.201929] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 2895.201960] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 2895.201999] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 2895.202037] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 2895.202076] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 2895.202115] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 2895.202155] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 2895.202200] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2895.202236] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 2895.202276] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2895.202320] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2895.202359] PKRU: 55555554
[ 2895.202372] Call Trace:
[ 2895.202386]  <IRQ>
[ 2895.202405] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 2895.202438] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 2895.202471] ? notifier_call_chain (kernel/notifier.c:93) 
[ 2895.202505] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 2895.202538] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 2895.202571] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 2895.202604] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 2895.202636] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 2895.202663] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 2895.202690] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 2895.202718] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 2895.202746] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 2895.202778] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 2895.202812]  </IRQ>
[ 2895.202825]  <TASK>
[ 2895.202839] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 2895.202873] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2895.202898] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 2895.202925] __dev_queue_xmit (net/core/dev.c:4295) 
[ 2895.202951] ? eth_header (net/ethernet/eth.c:85) 
[ 2895.202977] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 2895.203003] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 2895.203030] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 2895.203057] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 2895.203083] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 2895.203109] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 2895.203135] process_one_work (kernel/workqueue.c:3254) 
[ 2895.203161] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2895.203193] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 2895.203220] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2895.203252] kthread (kernel/kthread.c:388) 
[ 2895.203273] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2895.203294] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 2895.203320] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2895.203341] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 2954.299516] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2510331 jiffies s: 6153 root: 0x1/.
| [ 2954.299707] rcu: blocking rcu_node structures (internal RCU debug):
| [ 2954.299754] Sending NMI from CPU 1 to CPUs 0:
| [ 2954.299800] NMI backtrace for cpu 0
[ 2954.299808] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2954.299810] Workqueue: mld mld_ifc_work
[ 2954.299818] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2954.299822] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 2954.299823] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 2954.299825] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 2954.299826] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 2954.299827] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 2954.299828] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 2954.299829] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 2954.299831] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 2954.299832] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2954.299833] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 2954.299834] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2954.299835] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2954.299835] PKRU: 55555554
[ 2954.299836] Call Trace:
[ 2954.299839]  <NMI>
[ 2954.299842] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 2954.299845] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 2954.299851] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 2954.299856] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 2954.299859] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 2954.299860] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 2954.299865] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2954.299866] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2954.299867] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2954.299868]  </NMI>
[ 2954.299868]  <TASK>
[ 2954.299869] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 2954.299873] __dev_queue_xmit (net/core/dev.c:4295) 
[ 2954.299875] ? eth_header (net/ethernet/eth.c:85) 
[ 2954.299879] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 2954.299884] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 2954.299886] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 2954.299890] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 2954.299893] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 2954.299896] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 2954.299898] process_one_work (kernel/workqueue.c:3254) 
[ 2954.299901] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2954.299903] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 2954.299905] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2954.299906] kthread (kernel/kthread.c:388) 
[ 2954.299909] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2954.299910] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 2954.299915] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2954.299916] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 2954.299921]  </TASK>
| [ 2958.204478] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 2958.204560] rcu: 0-....: (2545615 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=597627
| [ 2958.204620] rcu: (t=2541120 jiffies g=53861 q=1581 ncpus=4)
[ 2958.204695] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 2958.204761] Workqueue: mld mld_ifc_work
[ 2958.204786] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2958.204817] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 2958.204915] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 2958.204941] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 2958.204981] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 2958.205020] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 2958.205060] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 2958.205099] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 2958.205140] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 2958.205186] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 2958.205223] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 2958.205264] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 2958.205308] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 2958.205347] PKRU: 55555554
[ 2958.205360] Call Trace:
[ 2958.205374]  <IRQ>
[ 2958.205393] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 2958.205431] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 2958.205463] ? notifier_call_chain (kernel/notifier.c:93) 
[ 2958.205496] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 2958.205527] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 2958.205559] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 2958.205592] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 2958.205625] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 2958.205651] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 2958.205679] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 2958.205706] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 2958.205734] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 2958.205768] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 2958.205801]  </IRQ>
[ 2958.205815]  <TASK>
[ 2958.205828] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 2958.205862] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 2958.205887] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 2958.205914] __dev_queue_xmit (net/core/dev.c:4295) 
[ 2958.205940] ? eth_header (net/ethernet/eth.c:85) 
[ 2958.205966] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 2958.205991] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 2958.206018] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 2958.206045] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 2958.206071] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 2958.206098] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 2958.206123] process_one_work (kernel/workqueue.c:3254) 
[ 2958.206150] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2958.206182] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 2958.206208] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 2958.206241] kthread (kernel/kthread.c:388) 
[ 2958.206261] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2958.206282] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 2958.206308] ? __pfx_kthread (kernel/kthread.c:341) 
[ 2958.206334] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 3019.835487] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2575867 jiffies s: 6153 root: 0x1/.
| [ 3019.835616] rcu: blocking rcu_node structures (internal RCU debug):
| [ 3019.835663] Sending NMI from CPU 1 to CPUs 0:
| [ 3019.835708] NMI backtrace for cpu 0
[ 3019.835717] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 3019.835719] Workqueue: mld mld_ifc_work
[ 3019.835726] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3019.835730] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 3019.835732] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 3019.835733] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 3019.835734] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 3019.835735] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 3019.835736] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 3019.835736] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 3019.835739] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 3019.835740] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3019.835741] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 3019.835742] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3019.835743] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3019.835744] PKRU: 55555554
[ 3019.835745] Call Trace:
[ 3019.835748]  <NMI>
[ 3019.835750] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 3019.835754] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 3019.835759] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 3019.835764] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 3019.835767] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 3019.835768] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 3019.835774] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3019.835775] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3019.835776] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3019.835777]  </NMI>
[ 3019.835777]  <TASK>
[ 3019.835778] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 3019.835782] __dev_queue_xmit (net/core/dev.c:4295) 
[ 3019.835784] ? eth_header (net/ethernet/eth.c:85) 
[ 3019.835789] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 3019.835793] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 3019.835795] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 3019.835798] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 3019.835801] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 3019.835803] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 3019.835805] process_one_work (kernel/workqueue.c:3254) 
[ 3019.835809] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3019.835811] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 3019.835813] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3019.835814] kthread (kernel/kthread.c:388) 
[ 3019.835817] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3019.835819] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 3019.835823] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3019.835825] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 3019.835829]  </TASK>
| [ 3021.207478] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 3021.207565] rcu: 0-....: (2608618 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=611352
| [ 3021.207625] rcu: (t=2604123 jiffies g=53861 q=1581 ncpus=4)
[ 3021.207705] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 3021.207768] Workqueue: mld mld_ifc_work
[ 3021.207794] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3021.207839] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 3021.207939] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 3021.207972] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 3021.208013] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 3021.208054] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 3021.208096] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 3021.208137] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 3021.208180] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 3021.208226] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3021.208263] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 3021.208304] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3021.208350] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3021.208391] PKRU: 55555554
[ 3021.208405] Call Trace:
[ 3021.208420]  <IRQ>
[ 3021.208438] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 3021.208475] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 3021.208508] ? notifier_call_chain (kernel/notifier.c:93) 
[ 3021.208541] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 3021.208574] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 3021.208608] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 3021.208642] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 3021.208675] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 3021.208701] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 3021.208729] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 3021.208757] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 3021.208789] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 3021.208820] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 3021.208853]  </IRQ>
[ 3021.208866]  <TASK>
[ 3021.208880] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 3021.208914] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3021.208940] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 3021.208967] __dev_queue_xmit (net/core/dev.c:4295) 
[ 3021.208993] ? eth_header (net/ethernet/eth.c:85) 
[ 3021.209018] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 3021.209044] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 3021.209076] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 3021.209103] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 3021.209128] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 3021.209154] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 3021.209179] process_one_work (kernel/workqueue.c:3254) 
[ 3021.209206] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3021.209239] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 3021.209266] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3021.209299] kthread (kernel/kthread.c:388) 
[ 3021.209320] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3021.209341] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 3021.209368] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3021.209388] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 3021.209410]  </TASK>
| [ 3084.210486] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 3084.210645] rcu: 0-....: (2671621 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=625172
| [ 3084.210709] rcu: (t=2667126 jiffies g=53861 q=1581 ncpus=4)
[ 3084.210789] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 3084.210853] Workqueue: mld mld_ifc_work
[ 3084.210887] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3084.210920] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 3084.211017] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 3084.211048] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 3084.211087] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 3084.211125] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 3084.211164] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 3084.211203] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 3084.211244] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 3084.211289] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3084.211328] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 3084.211370] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3084.211416] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3084.211457] PKRU: 55555554
[ 3084.211471] Call Trace:
[ 3084.211486]  <IRQ>
[ 3084.211505] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 3084.211543] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 3084.211577] ? notifier_call_chain (kernel/notifier.c:93) 
[ 3084.211611] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 3084.211644] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 3084.211678] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 3084.211712] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 3084.211745] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 3084.211772] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 3084.211804] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 3084.211833] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 3084.211866] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 3084.211900] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 3084.211934]  </IRQ>
[ 3084.211947]  <TASK>
[ 3084.211961] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 3084.211996] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3084.212021] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 3084.212048] __dev_queue_xmit (net/core/dev.c:4295) 
[ 3084.212074] ? eth_header (net/ethernet/eth.c:85) 
[ 3084.212104] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 3084.212131] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 3084.212164] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 3084.212192] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 3084.212218] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 3084.212245] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 3084.212271] process_one_work (kernel/workqueue.c:3254) 
[ 3084.212299] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3084.212330] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 3084.212356] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3084.212388] kthread (kernel/kthread.c:388) 
[ 3084.212415] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3084.212436] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 3084.212462] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3084.212483] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 3085.371486] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2641403 jiffies s: 6153 root: 0x1/.
| [ 3085.371744] rcu: blocking rcu_node structures (internal RCU debug):
| [ 3085.371791] Sending NMI from CPU 1 to CPUs 0:
| [ 3085.371837] NMI backtrace for cpu 0
[ 3085.371841] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 3085.371842] Workqueue: mld mld_ifc_work
[ 3085.371844] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3085.371845] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 3085.371847] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 3085.371848] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 3085.371848] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 3085.371849] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 3085.371850] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 3085.371850] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 3085.371853] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 3085.371854] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3085.371854] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 3085.371855] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3085.371856] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3085.371856] PKRU: 55555554
[ 3085.371857] Call Trace:
[ 3085.371857]  <NMI>
[ 3085.371859] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 3085.371861] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 3085.371866] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 3085.371870] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 3085.371872] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 3085.371873] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 3085.371876] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3085.371877] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3085.371878] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3085.371878]  </NMI>
[ 3085.371879]  <TASK>
[ 3085.371879] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 3085.371881] __dev_queue_xmit (net/core/dev.c:4295) 
[ 3085.371883] ? eth_header (net/ethernet/eth.c:85) 
[ 3085.371885] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 3085.371887] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 3085.371888] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 3085.371891] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 3085.371893] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 3085.371895] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 3085.371896] process_one_work (kernel/workqueue.c:3254) 
[ 3085.371898] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3085.371900] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 3085.371902] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3085.371903] kthread (kernel/kthread.c:388) 
[ 3085.371905] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3085.371906] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 3085.371907] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3085.371909] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 3085.371911]  </TASK>
| [ 3147.213479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 3147.213651] rcu: 0-....: (2734623 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=638907
| [ 3147.213717] rcu: (t=2730129 jiffies g=53861 q=1581 ncpus=4)
[ 3147.213799] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 3147.213866] Workqueue: mld mld_ifc_work
[ 3147.213903] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3147.213937] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 3147.214038] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 3147.214069] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 3147.214114] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 3147.214153] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 3147.214193] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 3147.214232] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 3147.214272] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 3147.214318] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3147.214357] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 3147.214399] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3147.214445] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3147.214485] PKRU: 55555554
[ 3147.214498] Call Trace:
[ 3147.214515]  <IRQ>
[ 3147.214540] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 3147.214576] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 3147.214608] ? notifier_call_chain (kernel/notifier.c:93) 
[ 3147.214640] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 3147.214672] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 3147.214704] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 3147.214736] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 3147.214771] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 3147.214796] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 3147.214828] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 3147.214859] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 3147.214891] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 3147.214922] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 3147.214954]  </IRQ>
[ 3147.214967]  <TASK>
[ 3147.214980] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 3147.215012] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3147.215036] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 3147.215061] __dev_queue_xmit (net/core/dev.c:4295) 
[ 3147.215087] ? eth_header (net/ethernet/eth.c:85) 
[ 3147.215115] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 3147.215142] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 3147.215174] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 3147.215201] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 3147.215226] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 3147.215253] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 3147.215279] process_one_work (kernel/workqueue.c:3254) 
[ 3147.215307] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3147.215338] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 3147.215364] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3147.215395] kthread (kernel/kthread.c:388) 
[ 3147.215421] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3147.215442] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 3147.215468] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3147.215488] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 3150.906485] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2706938 jiffies s: 6153 root: 0x1/.
| [ 3150.906672] rcu: blocking rcu_node structures (internal RCU debug):
| [ 3150.906719] Sending NMI from CPU 1 to CPUs 0:
| [ 3150.906764] NMI backtrace for cpu 0
[ 3150.906776] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 3150.906777] Workqueue: mld mld_ifc_work
[ 3150.906780] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3150.906782] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 3150.906784] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 3150.906785] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 3150.906786] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 3150.906786] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 3150.906788] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 3150.906788] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 3150.906790] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 3150.906791] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3150.906792] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 3150.906794] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3150.906795] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3150.906795] PKRU: 55555554
[ 3150.906796] Call Trace:
[ 3150.906797]  <NMI>
[ 3150.906799] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 3150.906801] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 3150.906807] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 3150.906812] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 3150.906814] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 3150.906815] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 3150.906818] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3150.906819] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3150.906820] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3150.906821]  </NMI>
[ 3150.906821]  <TASK>
[ 3150.906822] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 3150.906824] __dev_queue_xmit (net/core/dev.c:4295) 
[ 3150.906826] ? eth_header (net/ethernet/eth.c:85) 
[ 3150.906828] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 3150.906830] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 3150.906832] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 3150.906835] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 3150.906837] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 3150.906839] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 3150.906840] process_one_work (kernel/workqueue.c:3254) 
[ 3150.906843] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3150.906845] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 3150.906847] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3150.906848] kthread (kernel/kthread.c:388) 
[ 3150.906850] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3150.906851] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 3150.906854] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3150.906855] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 3150.906858]  </TASK>
| [ 3210.216479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 3210.216582] rcu: 0-....: (2797625 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=652681
| [ 3210.216644] rcu: (t=2793132 jiffies g=53861 q=1581 ncpus=4)
[ 3210.216724] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 3210.216793] Workqueue: mld mld_ifc_work
[ 3210.216824] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3210.216861] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 3210.216968] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 3210.217000] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 3210.217042] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 3210.217083] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 3210.217124] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 3210.217164] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 3210.217208] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 3210.217254] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3210.217293] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 3210.217335] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3210.217381] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3210.217423] PKRU: 55555554
[ 3210.217437] Call Trace:
[ 3210.217453]  <IRQ>
[ 3210.217472] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 3210.217511] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 3210.217544] ? notifier_call_chain (kernel/notifier.c:93) 
[ 3210.217577] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 3210.217610] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 3210.217644] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 3210.217677] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 3210.217713] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 3210.217739] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 3210.217771] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 3210.217803] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 3210.217836] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 3210.217869] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 3210.217902]  </IRQ>
[ 3210.217915]  <TASK>
[ 3210.217929] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 3210.217963] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3210.217988] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 3210.218015] __dev_queue_xmit (net/core/dev.c:4295) 
[ 3210.218041] ? eth_header (net/ethernet/eth.c:85) 
[ 3210.218066] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 3210.218098] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 3210.218131] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 3210.218158] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 3210.218184] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 3210.218210] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 3210.218236] process_one_work (kernel/workqueue.c:3254) 
[ 3210.218262] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3210.218293] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 3210.218320] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3210.218353] kthread (kernel/kthread.c:388) 
[ 3210.218379] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3210.218405] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 3210.218434] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3210.218460] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 3216.442485] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2772474 jiffies s: 6153 root: 0x1/.
| [ 3216.442612] rcu: blocking rcu_node structures (internal RCU debug):
| [ 3216.442660] Sending NMI from CPU 1 to CPUs 0:
| [ 3216.442706] NMI backtrace for cpu 0
[ 3216.442710] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 3216.442711] Workqueue: mld mld_ifc_work
[ 3216.442714] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3216.442716] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 3216.442718] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 3216.442719] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 3216.442719] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 3216.442720] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 3216.442721] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 3216.442721] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 3216.442724] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 3216.442725] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3216.442726] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 3216.442726] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3216.442727] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3216.442728] PKRU: 55555554
[ 3216.442728] Call Trace:
[ 3216.442729]  <NMI>
[ 3216.442730] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 3216.442733] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 3216.442738] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 3216.442743] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 3216.442745] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 3216.442746] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 3216.442749] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3216.442750] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3216.442751] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3216.442752]  </NMI>
[ 3216.442752]  <TASK>
[ 3216.442753] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 3216.442755] __dev_queue_xmit (net/core/dev.c:4295) 
[ 3216.442757] ? eth_header (net/ethernet/eth.c:85) 
[ 3216.442759] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 3216.442761] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 3216.442762] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 3216.442765] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 3216.442767] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 3216.442769] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 3216.442771] process_one_work (kernel/workqueue.c:3254) 
[ 3216.442774] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3216.442775] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 3216.442777] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3216.442779] kthread (kernel/kthread.c:388) 
[ 3216.442781] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3216.442782] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 3216.442785] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3216.442787] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 3216.442789]  </TASK>
| [ 3273.219479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 3273.219589] rcu: 0-....: (2860627 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=666412
| [ 3273.219652] rcu: (t=2856135 jiffies g=53861 q=1581 ncpus=4)
[ 3273.219731] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 3273.219796] Workqueue: mld mld_ifc_work
[ 3273.219828] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3273.219862] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 3273.219959] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 3273.219990] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 3273.220035] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 3273.220079] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 3273.220123] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 3273.220163] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 3273.220204] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 3273.220248] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3273.220286] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 3273.220326] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3273.220370] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3273.220410] PKRU: 55555554
[ 3273.220423] Call Trace:
[ 3273.220439]  <IRQ>
[ 3273.220459] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 3273.220494] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 3273.220526] ? notifier_call_chain (kernel/notifier.c:93) 
[ 3273.220558] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 3273.220589] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 3273.220620] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 3273.220652] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 3273.220683] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 3273.220709] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 3273.220741] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 3273.220769] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 3273.220802] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 3273.220838] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 3273.220871]  </IRQ>
[ 3273.220884]  <TASK>
[ 3273.220898] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 3273.220932] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3273.220958] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 3273.220985] __dev_queue_xmit (net/core/dev.c:4295) 
[ 3273.221011] ? eth_header (net/ethernet/eth.c:85) 
[ 3273.221040] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 3273.221066] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 3273.221099] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 3273.221126] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 3273.221151] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 3273.221177] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 3273.221202] process_one_work (kernel/workqueue.c:3254) 
[ 3273.221229] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3273.221260] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 3273.221286] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3273.221317] kthread (kernel/kthread.c:388) 
[ 3273.221342] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3273.221367] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 3273.221395] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3273.221419] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 3281.979514] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2838011 jiffies s: 6153 root: 0x1/.
| [ 3281.979703] rcu: blocking rcu_node structures (internal RCU debug):
| [ 3281.979750] Sending NMI from CPU 1 to CPUs 0:
| [ 3281.979796] NMI backtrace for cpu 0
[ 3281.979803] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 3281.979805] Workqueue: mld mld_ifc_work
[ 3281.979810] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3281.979813] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 3281.979815] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 3281.979816] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 3281.979817] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 3281.979818] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 3281.979819] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 3281.979820] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 3281.979823] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 3281.979824] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3281.979824] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 3281.979825] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3281.979826] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3281.979827] PKRU: 55555554
[ 3281.979828] Call Trace:
[ 3281.979829]  <NMI>
[ 3281.979831] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 3281.979835] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 3281.979840] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 3281.979845] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 3281.979848] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 3281.979850] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 3281.979854] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3281.979855] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3281.979856] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3281.979857]  </NMI>
[ 3281.979858]  <TASK>
[ 3281.979858] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 3281.979862] __dev_queue_xmit (net/core/dev.c:4295) 
[ 3281.979864] ? eth_header (net/ethernet/eth.c:85) 
[ 3281.979867] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 3281.979870] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 3281.979872] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 3281.979875] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 3281.979877] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 3281.979879] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 3281.979881] process_one_work (kernel/workqueue.c:3254) 
[ 3281.979886] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3281.979888] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 3281.979890] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3281.979891] kthread (kernel/kthread.c:388) 
[ 3281.979893] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3281.979894] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 3281.979898] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3281.979899] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 3281.979903]  </TASK>
| [ 3336.222479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 3336.222654] rcu: 0-....: (2923630 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=680121
| [ 3336.222720] rcu: (t=2919138 jiffies g=53861 q=1581 ncpus=4)
[ 3336.222794] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 3336.222862] Workqueue: mld mld_ifc_work
[ 3336.222896] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3336.222928] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 3336.223030] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 3336.223062] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 3336.223103] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 3336.223145] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 3336.223186] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 3336.223232] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 3336.223275] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 3336.223322] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3336.223360] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 3336.223401] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3336.223447] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3336.223489] PKRU: 55555554
[ 3336.223503] Call Trace:
[ 3336.223518]  <IRQ>
[ 3336.223539] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 3336.223577] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 3336.223610] ? notifier_call_chain (kernel/notifier.c:93) 
[ 3336.223644] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 3336.223677] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 3336.223711] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 3336.223744] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 3336.223778] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 3336.223804] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 3336.223838] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 3336.223866] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 3336.223900] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 3336.223933] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 3336.223967]  </IRQ>
[ 3336.223980]  <TASK>
[ 3336.223994] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 3336.224028] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3336.224053] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 3336.224081] __dev_queue_xmit (net/core/dev.c:4295) 
[ 3336.224107] ? eth_header (net/ethernet/eth.c:85) 
[ 3336.224133] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 3336.224160] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 3336.224192] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 3336.224224] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 3336.224251] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 3336.224278] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 3336.224304] process_one_work (kernel/workqueue.c:3254) 
[ 3336.224331] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3336.224363] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 3336.224385] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3336.224418] kthread (kernel/kthread.c:388) 
[ 3336.224445] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3336.224466] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 3336.224497] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3336.224518] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 3347.515486] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2903547 jiffies s: 6153 root: 0x1/.
| [ 3347.515676] rcu: blocking rcu_node structures (internal RCU debug):
| [ 3347.515724] Sending NMI from CPU 1 to CPUs 0:
| [ 3347.515770] NMI backtrace for cpu 0
[ 3347.515776] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 3347.515777] Workqueue: mld mld_ifc_work
[ 3347.515781] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3347.515784] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 3347.515785] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 3347.515786] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 3347.515787] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 3347.515788] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 3347.515789] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 3347.515789] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 3347.515792] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 3347.515793] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3347.515794] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 3347.515795] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3347.515795] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3347.515796] PKRU: 55555554
[ 3347.515797] Call Trace:
[ 3347.515799]  <NMI>
[ 3347.515800] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 3347.515803] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 3347.515808] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 3347.515813] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 3347.515815] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 3347.515817] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 3347.515819] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3347.515821] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3347.515822] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3347.515823]  </NMI>
[ 3347.515823]  <TASK>
[ 3347.515823] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 3347.515826] __dev_queue_xmit (net/core/dev.c:4295) 
[ 3347.515827] ? eth_header (net/ethernet/eth.c:85) 
[ 3347.515830] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 3347.515833] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 3347.515834] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 3347.515838] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 3347.515840] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 3347.515842] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 3347.515844] process_one_work (kernel/workqueue.c:3254) 
[ 3347.515848] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3347.515849] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 3347.515851] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3347.515853] kthread (kernel/kthread.c:388) 
[ 3347.515855] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3347.515856] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 3347.515859] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3347.515860] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 3347.515863]  </TASK>
| [ 3399.225479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 3399.225587] rcu: 0-....: (2986632 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=694199
| [ 3399.225650] rcu: (t=2982141 jiffies g=53861 q=1581 ncpus=4)
[ 3399.225731] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 3399.225799] Workqueue: mld mld_ifc_work
[ 3399.225832] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3399.225865] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 3399.225969] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 3399.226002] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 3399.226060] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 3399.226105] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 3399.226145] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 3399.226184] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 3399.226225] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 3399.226269] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3399.226306] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 3399.226349] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3399.226404] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3399.226443] PKRU: 55555554
[ 3399.226456] Call Trace:
[ 3399.226471]  <IRQ>
[ 3399.226490] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 3399.226529] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 3399.226562] ? notifier_call_chain (kernel/notifier.c:93) 
[ 3399.226594] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 3399.226626] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 3399.226659] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 3399.226691] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 3399.226723] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 3399.226748] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 3399.226775] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 3399.226807] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 3399.226839] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 3399.226870] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 3399.226902]  </IRQ>
[ 3399.226915]  <TASK>
[ 3399.226928] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 3399.226961] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3399.226985] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 3399.227011] __dev_queue_xmit (net/core/dev.c:4295) 
[ 3399.227036] ? eth_header (net/ethernet/eth.c:85) 
[ 3399.227064] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 3399.227090] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 3399.227123] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 3399.227150] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 3399.227176] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 3399.227202] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 3399.227228] process_one_work (kernel/workqueue.c:3254) 
[ 3399.227257] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3399.227290] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 3399.227316] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3399.227353] kthread (kernel/kthread.c:388) 
[ 3399.227381] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3399.227410] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 3399.227439] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3399.227464] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 3413.050486] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 2969082 jiffies s: 6153 root: 0x1/.
| [ 3413.050615] rcu: blocking rcu_node structures (internal RCU debug):
| [ 3413.050662] Sending NMI from CPU 1 to CPUs 0:
| [ 3413.050706] NMI backtrace for cpu 0
[ 3413.050711] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 3413.050713] Workqueue: mld mld_ifc_work
[ 3413.050717] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3413.050720] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 3413.050721] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 3413.050722] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 3413.050723] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 3413.050724] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 3413.050725] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 3413.050725] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 3413.050728] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 3413.050729] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3413.050730] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 3413.050731] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3413.050731] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3413.050733] PKRU: 55555554
[ 3413.050733] Call Trace:
[ 3413.050735]  <NMI>
[ 3413.050737] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 3413.050740] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 3413.050745] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 3413.050750] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 3413.050752] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 3413.050754] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 3413.050757] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3413.050758] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3413.050759] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3413.050760]  </NMI>
[ 3413.050761]  <TASK>
[ 3413.050761] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 3413.050764] __dev_queue_xmit (net/core/dev.c:4295) 
[ 3413.050766] ? eth_header (net/ethernet/eth.c:85) 
[ 3413.050769] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 3413.050771] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 3413.050773] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 3413.050777] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 3413.050779] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 3413.050781] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 3413.050783] process_one_work (kernel/workqueue.c:3254) 
[ 3413.050787] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3413.050789] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 3413.050791] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3413.050793] kthread (kernel/kthread.c:388) 
[ 3413.050795] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3413.050796] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 3413.050800] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3413.050801] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 3413.050805]  </TASK>
| [ 3462.228479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 3462.228578] rcu: 0-....: (3049634 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=708053
| [ 3462.228643] rcu: (t=3045144 jiffies g=53861 q=1581 ncpus=4)
[ 3462.228724] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 3462.228788] Workqueue: mld mld_ifc_work
[ 3462.228821] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3462.228860] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 3462.228962] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 3462.228995] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 3462.229036] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 3462.229078] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 3462.229119] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 3462.229161] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 3462.229204] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 3462.229251] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3462.229290] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 3462.229333] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3462.229379] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3462.229421] PKRU: 55555554
[ 3462.229435] Call Trace:
[ 3462.229451]  <IRQ>
[ 3462.229470] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 3462.229507] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 3462.229540] ? notifier_call_chain (kernel/notifier.c:93) 
[ 3462.229574] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 3462.229607] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 3462.229640] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 3462.229673] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 3462.229705] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 3462.229730] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 3462.229761] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 3462.229793] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 3462.229825] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 3462.229857] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 3462.229890]  </IRQ>
[ 3462.229904]  <TASK>
[ 3462.229918] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 3462.229952] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3462.229977] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 3462.230003] __dev_queue_xmit (net/core/dev.c:4295) 
[ 3462.230028] ? eth_header (net/ethernet/eth.c:85) 
[ 3462.230053] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 3462.230079] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 3462.230111] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 3462.230137] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 3462.230163] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 3462.230190] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 3462.230216] process_one_work (kernel/workqueue.c:3254) 
[ 3462.230245] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3462.230278] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 3462.230305] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3462.230337] kthread (kernel/kthread.c:388) 
[ 3462.230362] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3462.230387] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 3462.230415] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3462.230440] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 3478.587486] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 3034619 jiffies s: 6153 root: 0x1/.
| [ 3478.587611] rcu: blocking rcu_node structures (internal RCU debug):
| [ 3478.587660] Sending NMI from CPU 1 to CPUs 0:
| [ 3478.587711] NMI backtrace for cpu 0
[ 3478.587719] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 3478.587721] Workqueue: mld mld_ifc_work
[ 3478.587729] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3478.587733] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 3478.587735] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 3478.587736] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 3478.587738] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 3478.587739] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 3478.587740] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 3478.587741] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 3478.587743] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 3478.587745] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3478.587746] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 3478.587747] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3478.587747] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3478.587748] PKRU: 55555554
[ 3478.587749] Call Trace:
[ 3478.587752]  <NMI>
[ 3478.587755] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 3478.587758] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 3478.587764] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 3478.587769] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 3478.587772] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 3478.587773] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 3478.587779] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3478.587780] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3478.587781] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3478.587782]  </NMI>
[ 3478.587783]  <TASK>
[ 3478.587783] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 3478.587787] __dev_queue_xmit (net/core/dev.c:4295) 
[ 3478.587789] ? eth_header (net/ethernet/eth.c:85) 
[ 3478.587794] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 3478.587799] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 3478.587800] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 3478.587805] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 3478.587808] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 3478.587811] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 3478.587813] process_one_work (kernel/workqueue.c:3254) 
[ 3478.587818] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3478.587820] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 3478.587822] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3478.587824] kthread (kernel/kthread.c:388) 
[ 3478.587827] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3478.587829] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 3478.587834] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3478.587835] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 3478.587840]  </TASK>
| [ 3525.231489] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 3525.231586] rcu: 0-....: (3112636 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=721924
| [ 3525.231649] rcu: (t=3108147 jiffies g=53861 q=1581 ncpus=4)
[ 3525.231753] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 3525.231821] Workqueue: mld mld_ifc_work
[ 3525.231856] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3525.231894] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 3525.232003] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 3525.232039] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 3525.232087] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 3525.232128] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 3525.232170] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 3525.232212] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 3525.232255] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 3525.232302] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3525.232348] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 3525.232400] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3525.232446] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3525.232487] PKRU: 55555554
[ 3525.232501] Call Trace:
[ 3525.232520]  <IRQ>
[ 3525.232548] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 3525.232586] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 3525.232621] ? notifier_call_chain (kernel/notifier.c:93) 
[ 3525.232661] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 3525.232695] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 3525.232728] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 3525.232761] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 3525.232797] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 3525.232824] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 3525.232851] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 3525.232896] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 3525.232930] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 3525.232963] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 3525.232997]  </IRQ>
[ 3525.233010]  <TASK>
[ 3525.233024] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 3525.233058] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3525.233084] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 3525.233110] __dev_queue_xmit (net/core/dev.c:4295) 
[ 3525.233136] ? eth_header (net/ethernet/eth.c:85) 
[ 3525.233162] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 3525.233197] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 3525.233239] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 3525.233267] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 3525.233293] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 3525.233320] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 3525.233344] process_one_work (kernel/workqueue.c:3254) 
[ 3525.233370] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3525.233403] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 3525.233430] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3525.233463] kthread (kernel/kthread.c:388) 
[ 3525.233488] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3525.233509] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 3525.233547] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3525.233572] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 3544.122495] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 3100154 jiffies s: 6153 root: 0x1/.
| [ 3544.122650] rcu: blocking rcu_node structures (internal RCU debug):
| [ 3544.122713] Sending NMI from CPU 1 to CPUs 0:
| [ 3544.122765] NMI backtrace for cpu 0
[ 3544.122771] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 3544.122772] Workqueue: mld mld_ifc_work
[ 3544.122778] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3544.122782] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 3544.122783] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 3544.122784] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 3544.122785] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 3544.122786] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 3544.122787] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 3544.122788] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 3544.122790] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 3544.122791] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3544.122792] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 3544.122793] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3544.122794] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3544.122794] PKRU: 55555554
[ 3544.122795] Call Trace:
[ 3544.122797]  <NMI>
[ 3544.122798] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 3544.122802] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 3544.122807] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 3544.122812] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 3544.122814] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 3544.122815] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 3544.122818] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3544.122819] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3544.122820] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3544.122821]  </NMI>
[ 3544.122822]  <TASK>
[ 3544.122822] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 3544.122825] __dev_queue_xmit (net/core/dev.c:4295) 
[ 3544.122827] ? eth_header (net/ethernet/eth.c:85) 
[ 3544.122831] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 3544.122834] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 3544.122836] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 3544.122841] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 3544.122843] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 3544.122845] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 3544.122847] process_one_work (kernel/workqueue.c:3254) 
[ 3544.122851] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3544.122852] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 3544.122854] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3544.122856] kthread (kernel/kthread.c:388) 
[ 3544.122858] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3544.122859] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 3544.122862] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3544.122863] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 3544.122866]  </TASK>
| [ 3588.234480] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 3588.234587] rcu: 0-....: (3175638 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=736417
| [ 3588.234650] rcu: (t=3171150 jiffies g=53861 q=1581 ncpus=4)
[ 3588.234734] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 3588.234802] Workqueue: mld mld_ifc_work
[ 3588.234836] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3588.234872] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 3588.234973] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 3588.235007] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 3588.235053] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 3588.235094] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 3588.235142] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 3588.235185] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 3588.235233] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 3588.235279] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3588.235317] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 3588.235374] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3588.235419] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3588.235460] PKRU: 55555554
[ 3588.235473] Call Trace:
[ 3588.235489]  <IRQ>
[ 3588.235508] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 3588.235543] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 3588.235575] ? notifier_call_chain (kernel/notifier.c:93) 
[ 3588.235606] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 3588.235641] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 3588.235673] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 3588.235705] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 3588.235736] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 3588.235766] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 3588.235798] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 3588.235830] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 3588.235861] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 3588.235893] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 3588.235925]  </IRQ>
[ 3588.235938]  <TASK>
[ 3588.235951] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 3588.235984] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3588.236009] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 3588.236036] __dev_queue_xmit (net/core/dev.c:4295) 
[ 3588.236061] ? eth_header (net/ethernet/eth.c:85) 
[ 3588.236086] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 3588.236113] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 3588.236145] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 3588.236172] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 3588.236198] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 3588.236225] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 3588.236252] process_one_work (kernel/workqueue.c:3254) 
[ 3588.236284] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3588.236317] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 3588.236339] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3588.236371] kthread (kernel/kthread.c:388) 
[ 3588.236397] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3588.236424] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 3588.236450] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3588.236471] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 3609.659503] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 3165691 jiffies s: 6153 root: 0x1/.
| [ 3609.659637] rcu: blocking rcu_node structures (internal RCU debug):
| [ 3609.659685] Sending NMI from CPU 1 to CPUs 0:
| [ 3609.659734] NMI backtrace for cpu 0
[ 3609.659740] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 3609.659742] Workqueue: mld mld_ifc_work
[ 3609.659747] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3609.659750] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 3609.659751] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 3609.659753] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 3609.659753] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 3609.659754] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 3609.659755] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 3609.659756] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 3609.659759] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 3609.659760] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3609.659761] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 3609.659762] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3609.659763] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3609.659764] PKRU: 55555554
[ 3609.659764] Call Trace:
[ 3609.659766]  <NMI>
[ 3609.659767] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 3609.659771] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 3609.659777] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 3609.659781] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 3609.659783] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 3609.659784] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 3609.659788] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3609.659789] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3609.659790] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3609.659791]  </NMI>
[ 3609.659791]  <TASK>
[ 3609.659792] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 3609.659794] __dev_queue_xmit (net/core/dev.c:4295) 
[ 3609.659797] ? eth_header (net/ethernet/eth.c:85) 
[ 3609.659800] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 3609.659803] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 3609.659804] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 3609.659809] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 3609.659811] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 3609.659813] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 3609.659815] process_one_work (kernel/workqueue.c:3254) 
[ 3609.659818] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3609.659820] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 3609.659822] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3609.659824] kthread (kernel/kthread.c:388) 
[ 3609.659826] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3609.659828] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 3609.659831] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3609.659832] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 3609.659836]  </TASK>
| [ 3651.237479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 3651.237575] rcu: 0-....: (3238640 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=751269
| [ 3651.237641] rcu: (t=3234153 jiffies g=53861 q=1581 ncpus=4)
[ 3651.237721] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 3651.237789] Workqueue: mld mld_ifc_work
[ 3651.237822] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3651.237858] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 3651.237959] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 3651.237992] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 3651.238039] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 3651.238080] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 3651.238121] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 3651.238162] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 3651.238204] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 3651.238251] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3651.238290] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 3651.238332] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3651.238378] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3651.238419] PKRU: 55555554
[ 3651.238433] Call Trace:
[ 3651.238448]  <IRQ>
[ 3651.238468] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 3651.238505] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 3651.238538] ? notifier_call_chain (kernel/notifier.c:93) 
[ 3651.238571] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 3651.238604] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 3651.238637] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 3651.238670] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 3651.238706] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 3651.238731] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 3651.238763] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 3651.238796] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 3651.238829] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 3651.238863] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 3651.238899]  </IRQ>
[ 3651.238913]  <TASK>
[ 3651.238927] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 3651.238962] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3651.238987] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 3651.239012] __dev_queue_xmit (net/core/dev.c:4295) 
[ 3651.239037] ? eth_header (net/ethernet/eth.c:85) 
[ 3651.239066] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 3651.239092] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 3651.239123] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 3651.239154] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 3651.239179] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 3651.239204] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 3651.239229] process_one_work (kernel/workqueue.c:3254) 
[ 3651.239260] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3651.239291] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 3651.239316] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3651.239349] kthread (kernel/kthread.c:388) 
[ 3651.239375] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3651.239401] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 3651.239427] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3651.239453] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 3675.195486] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 3231227 jiffies s: 6153 root: 0x1/.
| [ 3675.195693] rcu: blocking rcu_node structures (internal RCU debug):
| [ 3675.195741] Sending NMI from CPU 1 to CPUs 0:
| [ 3675.195787] NMI backtrace for cpu 0
[ 3675.195794] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 3675.195795] Workqueue: mld mld_ifc_work
[ 3675.195801] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3675.195804] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 3675.195806] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 3675.195807] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 3675.195808] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 3675.195808] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 3675.195809] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 3675.195810] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 3675.195813] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 3675.195814] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3675.195815] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 3675.195816] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3675.195817] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3675.195817] PKRU: 55555554
[ 3675.195818] Call Trace:
[ 3675.195820]  <NMI>
[ 3675.195822] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 3675.195826] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 3675.195831] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 3675.195836] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 3675.195839] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 3675.195840] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 3675.195844] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3675.195845] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3675.195846] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3675.195847]  </NMI>
[ 3675.195848]  <TASK>
[ 3675.195848] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 3675.195852] __dev_queue_xmit (net/core/dev.c:4295) 
[ 3675.195854] ? eth_header (net/ethernet/eth.c:85) 
[ 3675.195857] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 3675.195861] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 3675.195863] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 3675.195867] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 3675.195869] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 3675.195872] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 3675.195874] process_one_work (kernel/workqueue.c:3254) 
[ 3675.195877] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3675.195878] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 3675.195880] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3675.195882] kthread (kernel/kthread.c:388) 
[ 3675.195884] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3675.195885] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 3675.195888] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3675.195889] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 3675.195892]  </TASK>
| [ 3714.240479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 3714.240650] rcu: 0-....: (3301642 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=765758
| [ 3714.240716] rcu: (t=3297156 jiffies g=53861 q=1581 ncpus=4)
[ 3714.240801] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 3714.240871] Workqueue: mld mld_ifc_work
[ 3714.240910] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3714.240947] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 3714.241048] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 3714.241081] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 3714.241127] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 3714.241169] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 3714.241210] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 3714.241251] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 3714.241293] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 3714.241339] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3714.241378] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 3714.241420] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3714.241465] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3714.241505] PKRU: 55555554
[ 3714.241519] Call Trace:
[ 3714.241536]  <IRQ>
[ 3714.241564] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 3714.241603] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 3714.241636] ? notifier_call_chain (kernel/notifier.c:93) 
[ 3714.241669] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 3714.241701] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 3714.241734] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 3714.241767] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 3714.241800] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 3714.241826] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 3714.241854] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 3714.241882] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 3714.241915] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 3714.241948] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 3714.241984]  </IRQ>
[ 3714.241998]  <TASK>
[ 3714.242012] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 3714.242046] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3714.242071] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 3714.242098] __dev_queue_xmit (net/core/dev.c:4295) 
[ 3714.242123] ? eth_header (net/ethernet/eth.c:85) 
[ 3714.242150] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 3714.242176] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 3714.242208] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 3714.242242] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 3714.242268] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 3714.242295] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 3714.242321] process_one_work (kernel/workqueue.c:3254) 
[ 3714.242346] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3714.242379] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 3714.242405] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3714.242438] kthread (kernel/kthread.c:388) 
[ 3714.242464] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3714.242485] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 3714.242513] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3714.242538] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 3740.731488] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 3296763 jiffies s: 6153 root: 0x1/.
| [ 3740.731612] rcu: blocking rcu_node structures (internal RCU debug):
| [ 3740.731657] Sending NMI from CPU 1 to CPUs 0:
| [ 3740.731703] NMI backtrace for cpu 0
[ 3740.731718] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 3740.731720] Workqueue: mld mld_ifc_work
[ 3740.731727] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3740.731731] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 3740.731733] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 3740.731734] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 3740.731735] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 3740.731736] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 3740.731737] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 3740.731738] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 3740.731740] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 3740.731741] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3740.731742] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 3740.731743] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3740.731744] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3740.731745] PKRU: 55555554
[ 3740.731745] Call Trace:
[ 3740.731748]  <NMI>
[ 3740.731750] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 3740.731754] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 3740.731759] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 3740.731764] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 3740.731767] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 3740.731768] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 3740.731772] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3740.731773] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3740.731774] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3740.731775]  </NMI>
[ 3740.731776]  <TASK>
[ 3740.731776] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 3740.731780] __dev_queue_xmit (net/core/dev.c:4295) 
[ 3740.731782] ? eth_header (net/ethernet/eth.c:85) 
[ 3740.731786] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 3740.731790] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 3740.731791] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 3740.731796] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 3740.731798] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 3740.731801] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 3740.731803] process_one_work (kernel/workqueue.c:3254) 
[ 3740.731806] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3740.731808] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 3740.731810] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3740.731812] kthread (kernel/kthread.c:388) 
[ 3740.731813] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3740.731815] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 3740.731818] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3740.731819] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 3740.731822]  </TASK>
| [ 3777.243479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 3777.243652] rcu: 0-....: (3364644 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=780617
| [ 3777.243717] rcu: (t=3360159 jiffies g=53861 q=1581 ncpus=4)
[ 3777.243798] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 3777.243866] Workqueue: mld mld_ifc_work
[ 3777.243900] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3777.243936] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 3777.244038] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 3777.244071] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 3777.244112] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 3777.244153] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 3777.244194] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 3777.244235] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 3777.244285] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 3777.244331] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3777.244369] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 3777.244409] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3777.244453] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3777.244492] PKRU: 55555554
[ 3777.244505] Call Trace:
[ 3777.244520]  <IRQ>
[ 3777.244539] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 3777.244576] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 3777.244607] ? notifier_call_chain (kernel/notifier.c:93) 
[ 3777.244639] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 3777.244674] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 3777.244706] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 3777.244738] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 3777.244770] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 3777.244795] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 3777.244827] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 3777.244859] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 3777.244891] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 3777.244922] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 3777.244953]  </IRQ>
[ 3777.244966]  <TASK>
[ 3777.244979] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 3777.245015] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3777.245039] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 3777.245066] __dev_queue_xmit (net/core/dev.c:4295) 
[ 3777.245092] ? eth_header (net/ethernet/eth.c:85) 
[ 3777.245122] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 3777.245148] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 3777.245181] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 3777.245208] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 3777.245234] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 3777.245260] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 3777.245286] process_one_work (kernel/workqueue.c:3254) 
[ 3777.245315] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3777.245348] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 3777.245374] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3777.245405] kthread (kernel/kthread.c:388) 
[ 3777.245430] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3777.245455] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 3777.245483] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3777.245503] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 3806.266495] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 3362298 jiffies s: 6153 root: 0x1/.
| [ 3806.266698] rcu: blocking rcu_node structures (internal RCU debug):
| [ 3806.266741] Sending NMI from CPU 1 to CPUs 0:
| [ 3806.266783] NMI backtrace for cpu 0
[ 3806.266790] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 3806.266792] Workqueue: mld mld_ifc_work
[ 3806.266800] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3806.266804] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 3806.266805] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 3806.266807] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 3806.266808] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 3806.266809] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 3806.266810] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 3806.266811] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 3806.266814] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 3806.266815] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3806.266816] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 3806.266817] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3806.266817] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3806.266818] PKRU: 55555554
[ 3806.266819] Call Trace:
[ 3806.266822]  <NMI>
[ 3806.266825] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 3806.266828] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 3806.266834] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 3806.266840] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 3806.266843] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 3806.266845] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 3806.266850] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3806.266851] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3806.266852] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3806.266853]  </NMI>
[ 3806.266854]  <TASK>
[ 3806.266854] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 3806.266859] __dev_queue_xmit (net/core/dev.c:4295) 
[ 3806.266861] ? eth_header (net/ethernet/eth.c:85) 
[ 3806.266865] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 3806.266871] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 3806.266873] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 3806.266878] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 3806.266881] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 3806.266884] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 3806.266886] process_one_work (kernel/workqueue.c:3254) 
[ 3806.266891] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3806.266893] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 3806.266895] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3806.266896] kthread (kernel/kthread.c:388) 
[ 3806.266900] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3806.266901] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 3806.266906] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3806.266907] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 3806.266913]  </TASK>
| [ 3840.246479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 3840.246592] rcu: 0-....: (3427646 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=795308
| [ 3840.246656] rcu: (t=3423162 jiffies g=53861 q=1581 ncpus=4)
[ 3840.246747] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 3840.246813] Workqueue: mld mld_ifc_work
[ 3840.246846] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3840.246880] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 3840.246978] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 3840.247010] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 3840.247062] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 3840.247104] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 3840.247146] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 3840.247188] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 3840.247230] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 3840.247275] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3840.247323] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 3840.247378] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3840.247427] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3840.247466] PKRU: 55555554
[ 3840.247479] Call Trace:
[ 3840.247495]  <IRQ>
[ 3840.247515] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 3840.247549] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 3840.247581] ? notifier_call_chain (kernel/notifier.c:93) 
[ 3840.247613] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 3840.247646] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 3840.247680] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 3840.247723] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 3840.247757] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 3840.247783] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 3840.247811] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 3840.247839] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 3840.247873] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 3840.247905] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 3840.247939]  </IRQ>
[ 3840.247952]  <TASK>
[ 3840.247966] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 3840.248001] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3840.248027] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 3840.248054] __dev_queue_xmit (net/core/dev.c:4295) 
[ 3840.248087] ? eth_header (net/ethernet/eth.c:85) 
[ 3840.248117] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 3840.248143] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 3840.248176] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 3840.248203] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 3840.248229] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 3840.248256] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 3840.248282] process_one_work (kernel/workqueue.c:3254) 
[ 3840.248307] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3840.248342] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 3840.248368] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3840.248410] kthread (kernel/kthread.c:388) 
[ 3840.248441] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3840.248467] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 3840.248494] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3840.248520] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 3871.802489] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 3427834 jiffies s: 6153 root: 0x1/.
| [ 3871.802611] rcu: blocking rcu_node structures (internal RCU debug):
| [ 3871.802651] Sending NMI from CPU 1 to CPUs 0:
| [ 3871.802690] NMI backtrace for cpu 0
[ 3871.802696] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 3871.802698] Workqueue: mld mld_ifc_work
[ 3871.802705] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3871.802709] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 3871.802711] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 3871.802713] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 3871.802713] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 3871.802715] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 3871.802716] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 3871.802717] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 3871.802719] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 3871.802721] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3871.802721] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 3871.802722] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3871.802723] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3871.802724] PKRU: 55555554
[ 3871.802725] Call Trace:
[ 3871.802727]  <NMI>
[ 3871.802729] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 3871.802733] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 3871.802739] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 3871.802744] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 3871.802748] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 3871.802749] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 3871.802754] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3871.802755] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3871.802756] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3871.802757]  </NMI>
[ 3871.802758]  <TASK>
[ 3871.802758] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 3871.802762] __dev_queue_xmit (net/core/dev.c:4295) 
[ 3871.802764] ? eth_header (net/ethernet/eth.c:85) 
[ 3871.802768] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 3871.802773] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 3871.802775] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 3871.802780] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 3871.802783] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 3871.802785] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 3871.802788] process_one_work (kernel/workqueue.c:3254) 
[ 3871.802792] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3871.802794] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 3871.802796] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3871.802798] kthread (kernel/kthread.c:388) 
[ 3871.802801] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3871.802803] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 3871.802807] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3871.802808] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 3871.802813]  </TASK>
| [ 3903.249478] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 3903.249575] rcu: 0-....: (3490648 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=809749
| [ 3903.249641] rcu: (t=3486165 jiffies g=53861 q=1581 ncpus=4)
[ 3903.249715] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 3903.249778] Workqueue: mld mld_ifc_work
[ 3903.249812] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3903.249849] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 3903.249950] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 3903.249982] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 3903.250028] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 3903.250069] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 3903.250110] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 3903.250152] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 3903.250195] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 3903.250240] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3903.250278] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 3903.250319] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3903.250374] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3903.250415] PKRU: 55555554
[ 3903.250429] Call Trace:
[ 3903.250445]  <IRQ>
[ 3903.250464] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 3903.250500] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 3903.250534] ? notifier_call_chain (kernel/notifier.c:93) 
[ 3903.250567] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 3903.250600] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 3903.250634] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 3903.250667] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 3903.250700] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 3903.250726] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 3903.250754] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 3903.250782] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 3903.250815] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 3903.250849] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 3903.250882]  </IRQ>
[ 3903.250896]  <TASK>
[ 3903.250910] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 3903.250948] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3903.250974] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 3903.251001] __dev_queue_xmit (net/core/dev.c:4295) 
[ 3903.251028] ? eth_header (net/ethernet/eth.c:85) 
[ 3903.251057] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 3903.251084] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 3903.251117] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 3903.251144] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 3903.251170] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 3903.251197] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 3903.251224] process_one_work (kernel/workqueue.c:3254) 
[ 3903.251250] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3903.251279] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 3903.251305] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3903.251339] kthread (kernel/kthread.c:388) 
[ 3903.251366] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3903.251387] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 3903.251413] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3903.251434] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 3937.338529] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 3493370 jiffies s: 6153 root: 0x1/.
| [ 3937.338664] rcu: blocking rcu_node structures (internal RCU debug):
| [ 3937.338708] Sending NMI from CPU 1 to CPUs 0:
| [ 3937.338749] NMI backtrace for cpu 0
[ 3937.338755] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 3937.338757] Workqueue: mld mld_ifc_work
[ 3937.338765] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3937.338770] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 3937.338771] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 3937.338772] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 3937.338774] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 3937.338774] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 3937.338775] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 3937.338776] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 3937.338779] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 3937.338780] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3937.338781] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 3937.338782] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3937.338783] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3937.338784] PKRU: 55555554
[ 3937.338784] Call Trace:
[ 3937.338787]  <NMI>
[ 3937.338790] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 3937.338793] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 3937.338799] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 3937.338805] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 3937.338808] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 3937.338809] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 3937.338814] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3937.338815] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3937.338816] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3937.338817]  </NMI>
[ 3937.338817]  <TASK>
[ 3937.338817] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 3937.338822] __dev_queue_xmit (net/core/dev.c:4295) 
[ 3937.338824] ? eth_header (net/ethernet/eth.c:85) 
[ 3937.338829] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 3937.338834] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 3937.338836] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 3937.338840] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 3937.338843] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 3937.338846] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 3937.338848] process_one_work (kernel/workqueue.c:3254) 
[ 3937.338852] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3937.338854] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 3937.338856] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3937.338858] kthread (kernel/kthread.c:388) 
[ 3937.338860] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3937.338862] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 3937.338866] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3937.338868] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 3937.338872]  </TASK>
| [ 3966.252479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 3966.252646] rcu: 0-....: (3553650 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=824483
| [ 3966.252709] rcu: (t=3549168 jiffies g=53861 q=1581 ncpus=4)
[ 3966.252785] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 3966.252848] Workqueue: mld mld_ifc_work
[ 3966.252883] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3966.252920] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 3966.253021] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 3966.253054] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 3966.253101] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 3966.253142] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 3966.253183] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 3966.253225] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 3966.253267] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 3966.253314] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 3966.253353] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 3966.253402] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 3966.253448] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 3966.253489] PKRU: 55555554
[ 3966.253502] Call Trace:
[ 3966.253518]  <IRQ>
[ 3966.253537] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 3966.253574] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 3966.253607] ? notifier_call_chain (kernel/notifier.c:93) 
[ 3966.253639] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 3966.253673] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 3966.253707] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 3966.253740] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 3966.253774] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 3966.253800] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 3966.253828] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 3966.253856] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 3966.253889] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 3966.253922] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 3966.253965]  </IRQ>
[ 3966.253979]  <TASK>
[ 3966.253992] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 3966.254026] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 3966.254051] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 3966.254077] __dev_queue_xmit (net/core/dev.c:4295) 
[ 3966.254102] ? eth_header (net/ethernet/eth.c:85) 
[ 3966.254129] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 3966.254159] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 3966.254192] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 3966.254219] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 3966.254245] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 3966.254272] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 3966.254297] process_one_work (kernel/workqueue.c:3254) 
[ 3966.254327] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3966.254361] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 3966.254388] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 3966.254420] kthread (kernel/kthread.c:388) 
[ 3966.254447] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3966.254468] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 3966.254498] ? __pfx_kthread (kernel/kthread.c:341) 
[ 3966.254524] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 4002.874514] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 3558906 jiffies s: 6153 root: 0x1/.
| [ 4002.874738] rcu: blocking rcu_node structures (internal RCU debug):
| [ 4002.874782] Sending NMI from CPU 1 to CPUs 0:
| [ 4002.874833] NMI backtrace for cpu 0
[ 4002.874841] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 4002.874844] Workqueue: mld mld_ifc_work
[ 4002.874852] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4002.874857] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 4002.874859] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 4002.874860] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 4002.874861] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 4002.874863] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 4002.874864] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 4002.874865] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 4002.874867] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 4002.874868] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4002.874869] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 4002.874870] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 4002.874871] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 4002.874872] PKRU: 55555554
[ 4002.874873] Call Trace:
[ 4002.874879]  <NMI>
[ 4002.874885] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 4002.874889] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 4002.874895] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 4002.874900] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 4002.874903] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 4002.874904] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 4002.874909] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4002.874911] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4002.874912] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4002.874913]  </NMI>
[ 4002.874913]  <TASK>
[ 4002.874914] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 4002.874918] __dev_queue_xmit (net/core/dev.c:4295) 
[ 4002.874920] ? eth_header (net/ethernet/eth.c:85) 
[ 4002.874924] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 4002.874929] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 4002.874931] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 4002.874935] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 4002.874938] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 4002.874941] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 4002.874943] process_one_work (kernel/workqueue.c:3254) 
[ 4002.874948] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4002.874950] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 4002.874952] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4002.874954] kthread (kernel/kthread.c:388) 
[ 4002.874957] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4002.874959] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 4002.874963] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4002.874964] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 4002.874970]  </TASK>
| [ 4029.255478] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 4029.255646] rcu: 0-....: (3616652 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=838805
| [ 4029.255708] rcu: (t=3612171 jiffies g=53861 q=1581 ncpus=4)
[ 4029.255789] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 4029.255857] Workqueue: mld mld_ifc_work
[ 4029.255891] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4029.255923] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 4029.256025] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 4029.256059] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 4029.256100] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 4029.256141] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 4029.256183] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 4029.256224] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 4029.256268] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 4029.256315] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4029.256354] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 4029.256397] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 4029.256444] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 4029.256485] PKRU: 55555554
[ 4029.256499] Call Trace:
[ 4029.256515]  <IRQ>
[ 4029.256535] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 4029.256575] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 4029.256608] ? notifier_call_chain (kernel/notifier.c:93) 
[ 4029.256642] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 4029.256675] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 4029.256709] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 4029.256743] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 4029.256776] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 4029.256802] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 4029.256830] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 4029.256858] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 4029.256892] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 4029.256926] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 4029.256959]  </IRQ>
[ 4029.256973]  <TASK>
[ 4029.256987] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4029.257022] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4029.257048] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 4029.257076] __dev_queue_xmit (net/core/dev.c:4295) 
[ 4029.257102] ? eth_header (net/ethernet/eth.c:85) 
[ 4029.257129] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 4029.257155] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 4029.257189] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 4029.257216] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 4029.257243] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 4029.257270] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 4029.257294] process_one_work (kernel/workqueue.c:3254) 
[ 4029.257324] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4029.257356] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 4029.257383] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4029.257416] kthread (kernel/kthread.c:388) 
[ 4029.257442] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4029.257461] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 4029.257487] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4029.257512] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 4068.410485] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 3624442 jiffies s: 6153 root: 0x1/.
| [ 4068.410685] rcu: blocking rcu_node structures (internal RCU debug):
| [ 4068.410727] Sending NMI from CPU 1 to CPUs 0:
| [ 4068.410772] NMI backtrace for cpu 0
[ 4068.410784] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 4068.410786] Workqueue: mld mld_ifc_work
[ 4068.410794] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4068.410798] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 4068.410800] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 4068.410801] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 4068.410802] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 4068.410803] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 4068.410804] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 4068.410805] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 4068.410808] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 4068.410809] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4068.410810] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 4068.410811] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 4068.410811] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 4068.410812] PKRU: 55555554
[ 4068.410813] Call Trace:
[ 4068.410816]  <NMI>
[ 4068.410818] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 4068.410822] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 4068.410827] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 4068.410832] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 4068.410835] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 4068.410836] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 4068.410841] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4068.410842] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4068.410843] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4068.410844]  </NMI>
[ 4068.410845]  <TASK>
[ 4068.410845] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 4068.410850] __dev_queue_xmit (net/core/dev.c:4295) 
[ 4068.410852] ? eth_header (net/ethernet/eth.c:85) 
[ 4068.410856] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 4068.410861] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 4068.410863] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 4068.410867] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 4068.410870] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 4068.410872] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 4068.410874] process_one_work (kernel/workqueue.c:3254) 
[ 4068.410878] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4068.410880] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 4068.410882] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4068.410884] kthread (kernel/kthread.c:388) 
[ 4068.410886] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4068.410888] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 4068.410892] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4068.410893] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 4068.410898]  </TASK>
| [ 4092.258479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 4092.258641] rcu: 0-....: (3679654 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=853569
| [ 4092.258703] rcu: (t=3675174 jiffies g=53861 q=1581 ncpus=4)
[ 4092.258778] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 4092.258840] Workqueue: mld mld_ifc_work
[ 4092.258879] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4092.258914] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 4092.259015] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 4092.259048] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 4092.259089] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 4092.259131] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 4092.259172] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 4092.259213] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 4092.259256] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 4092.259303] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4092.259342] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 4092.259382] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 4092.259426] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 4092.259465] PKRU: 55555554
[ 4092.259478] Call Trace:
[ 4092.259494]  <IRQ>
[ 4092.259512] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 4092.259549] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 4092.259581] ? notifier_call_chain (kernel/notifier.c:93) 
[ 4092.259614] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 4092.259646] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 4092.259678] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 4092.259710] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 4092.259742] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 4092.259768] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 4092.259800] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 4092.259833] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 4092.259865] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 4092.259897] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 4092.259929]  </IRQ>
[ 4092.259942]  <TASK>
[ 4092.259956] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4092.259988] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4092.260013] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 4092.260039] __dev_queue_xmit (net/core/dev.c:4295) 
[ 4092.260064] ? eth_header (net/ethernet/eth.c:85) 
[ 4092.260089] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 4092.260115] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 4092.260146] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 4092.260172] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 4092.260197] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 4092.260223] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 4092.260248] process_one_work (kernel/workqueue.c:3254) 
[ 4092.260276] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4092.260308] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 4092.260334] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4092.260366] kthread (kernel/kthread.c:388) 
[ 4092.260392] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4092.260417] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 4092.260447] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4092.260472] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 4133.946485] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 3689978 jiffies s: 6153 root: 0x1/.
| [ 4133.946609] rcu: blocking rcu_node structures (internal RCU debug):
| [ 4133.946651] Sending NMI from CPU 1 to CPUs 0:
| [ 4133.946692] NMI backtrace for cpu 0
[ 4133.946698] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 4133.946700] Workqueue: mld mld_ifc_work
[ 4133.946708] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4133.946712] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 4133.946714] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 4133.946716] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 4133.946717] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 4133.946718] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 4133.946719] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 4133.946720] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 4133.946722] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 4133.946723] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4133.946724] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 4133.946725] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 4133.946726] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 4133.946726] PKRU: 55555554
[ 4133.946727] Call Trace:
[ 4133.946730]  <NMI>
[ 4133.946733] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 4133.946736] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 4133.946742] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 4133.946747] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 4133.946750] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 4133.946751] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 4133.946757] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4133.946758] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4133.946759] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4133.946760]  </NMI>
[ 4133.946761]  <TASK>
[ 4133.946762] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 4133.946766] __dev_queue_xmit (net/core/dev.c:4295) 
[ 4133.946768] ? eth_header (net/ethernet/eth.c:85) 
[ 4133.946772] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 4133.946777] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 4133.946779] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 4133.946783] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 4133.946786] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 4133.946788] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 4133.946790] process_one_work (kernel/workqueue.c:3254) 
[ 4133.946794] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4133.946796] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 4133.946798] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4133.946800] kthread (kernel/kthread.c:388) 
[ 4133.946803] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4133.946804] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 4133.946809] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4133.946810] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 4133.946815]  </TASK>
| [ 4155.261479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 4155.261640] rcu: 0-....: (3742656 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=868439
| [ 4155.261702] rcu: (t=3738177 jiffies g=53861 q=1581 ncpus=4)
[ 4155.261777] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 4155.261845] Workqueue: mld mld_ifc_work
[ 4155.261880] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4155.261912] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 4155.262014] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 4155.262047] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 4155.262094] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 4155.262135] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 4155.262176] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 4155.262217] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 4155.262260] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 4155.262306] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4155.262345] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 4155.262388] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 4155.262433] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 4155.262475] PKRU: 55555554
[ 4155.262494] Call Trace:
[ 4155.262509]  <IRQ>
[ 4155.262527] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 4155.262566] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 4155.262598] ? notifier_call_chain (kernel/notifier.c:93) 
[ 4155.262630] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 4155.262665] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 4155.262697] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 4155.262729] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 4155.262761] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 4155.262786] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 4155.262818] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 4155.262850] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 4155.262881] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 4155.262917] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 4155.262948]  </IRQ>
[ 4155.262961]  <TASK>
[ 4155.262974] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4155.263007] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4155.263031] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 4155.263058] __dev_queue_xmit (net/core/dev.c:4295) 
[ 4155.263084] ? eth_header (net/ethernet/eth.c:85) 
[ 4155.263110] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 4155.263137] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 4155.263170] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 4155.263199] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 4155.263225] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 4155.263252] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 4155.263278] process_one_work (kernel/workqueue.c:3254) 
[ 4155.263304] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4155.263337] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 4155.263363] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4155.263396] kthread (kernel/kthread.c:388) 
[ 4155.263422] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4155.263443] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 4155.263471] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4155.263496] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 4199.482485] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 3755514 jiffies s: 6153 root: 0x1/.
| [ 4199.482610] rcu: blocking rcu_node structures (internal RCU debug):
| [ 4199.482650] Sending NMI from CPU 1 to CPUs 0:
| [ 4199.482691] NMI backtrace for cpu 0
[ 4199.482698] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 4199.482700] Workqueue: mld mld_ifc_work
[ 4199.482708] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4199.482712] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 4199.482714] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 4199.482715] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 4199.482716] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 4199.482717] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 4199.482718] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 4199.482719] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 4199.482722] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 4199.482723] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4199.482724] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 4199.482725] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 4199.482726] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 4199.482727] PKRU: 55555554
[ 4199.482727] Call Trace:
[ 4199.482730]  <NMI>
[ 4199.482733] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 4199.482737] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 4199.482742] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 4199.482748] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 4199.482750] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 4199.482752] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 4199.482756] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4199.482757] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4199.482759] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4199.482760]  </NMI>
[ 4199.482760]  <TASK>
[ 4199.482760] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 4199.482765] __dev_queue_xmit (net/core/dev.c:4295) 
[ 4199.482766] ? eth_header (net/ethernet/eth.c:85) 
[ 4199.482771] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 4199.482777] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 4199.482778] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 4199.482782] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 4199.482785] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 4199.482788] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 4199.482790] process_one_work (kernel/workqueue.c:3254) 
[ 4199.482793] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4199.482795] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 4199.482797] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4199.482799] kthread (kernel/kthread.c:388) 
[ 4199.482802] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4199.482803] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 4199.482808] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4199.482809] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 4199.482814]  </TASK>
| [ 4218.264479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 4218.264575] rcu: 0-....: (3805658 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=883558
| [ 4218.264635] rcu: (t=3801180 jiffies g=53861 q=1581 ncpus=4)
[ 4218.264715] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 4218.264778] Workqueue: mld mld_ifc_work
[ 4218.264813] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4218.264846] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 4218.264947] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 4218.264979] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 4218.265024] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 4218.265066] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 4218.265107] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 4218.265149] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 4218.265190] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 4218.265234] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4218.265272] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 4218.265313] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 4218.265357] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 4218.265397] PKRU: 55555554
[ 4218.265410] Call Trace:
[ 4218.265425]  <IRQ>
[ 4218.265444] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 4218.265482] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 4218.265515] ? notifier_call_chain (kernel/notifier.c:93) 
[ 4218.265548] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 4218.265582] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 4218.265616] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 4218.265649] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 4218.265683] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 4218.265709] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 4218.265737] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 4218.265765] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 4218.265799] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 4218.265832] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 4218.265865]  </IRQ>
[ 4218.265879]  <TASK>
[ 4218.265893] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4218.265927] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4218.265948] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 4218.265975] __dev_queue_xmit (net/core/dev.c:4295) 
[ 4218.266001] ? eth_header (net/ethernet/eth.c:85) 
[ 4218.266028] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 4218.266056] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 4218.266087] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 4218.266114] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 4218.266141] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 4218.266167] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 4218.266194] process_one_work (kernel/workqueue.c:3254) 
[ 4218.266220] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4218.266253] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 4218.266279] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4218.266313] kthread (kernel/kthread.c:388) 
[ 4218.266339] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4218.266360] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 4218.266387] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4218.266408] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 4265.018546] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 3821050 jiffies s: 6153 root: 0x1/.
| [ 4265.018735] rcu: blocking rcu_node structures (internal RCU debug):
| [ 4265.018777] Sending NMI from CPU 1 to CPUs 0:
| [ 4265.018817] NMI backtrace for cpu 0
[ 4265.018829] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 4265.018832] Workqueue: mld mld_ifc_work
[ 4265.018845] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4265.018850] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 4265.018851] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 4265.018853] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 4265.018854] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 4265.018855] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 4265.018856] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 4265.018857] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 4265.018859] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 4265.018860] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4265.018861] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 4265.018862] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 4265.018862] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 4265.018863] PKRU: 55555554
[ 4265.018864] Call Trace:
[ 4265.018868]  <NMI>
[ 4265.018875] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 4265.018881] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 4265.018886] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 4265.018892] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 4265.018895] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 4265.018896] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 4265.018901] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4265.018902] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4265.018903] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4265.018904]  </NMI>
[ 4265.018904]  <TASK>
[ 4265.018905] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 4265.018909] __dev_queue_xmit (net/core/dev.c:4295) 
[ 4265.018911] ? eth_header (net/ethernet/eth.c:85) 
[ 4265.018916] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 4265.018921] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 4265.018923] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 4265.018928] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 4265.018931] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 4265.018934] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 4265.018936] process_one_work (kernel/workqueue.c:3254) 
[ 4265.018941] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4265.018943] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 4265.018945] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4265.018947] kthread (kernel/kthread.c:388) 
[ 4265.018950] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4265.018951] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 4265.018956] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4265.018957] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 4265.018963]  </TASK>
| [ 4281.267479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 4281.267640] rcu: 0-....: (3868661 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=897834
| [ 4281.267705] rcu: (t=3864183 jiffies g=53861 q=1581 ncpus=4)
[ 4281.267784] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 4281.267849] Workqueue: mld mld_ifc_work
[ 4281.267881] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4281.267916] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 4281.268011] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 4281.268043] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 4281.268084] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 4281.268122] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 4281.268167] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 4281.268207] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 4281.268247] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 4281.268291] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4281.268328] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 4281.268367] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 4281.268410] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 4281.268449] PKRU: 55555554
[ 4281.268462] Call Trace:
[ 4281.268477]  <IRQ>
[ 4281.268496] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 4281.268530] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 4281.268562] ? notifier_call_chain (kernel/notifier.c:93) 
[ 4281.268594] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 4281.268626] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 4281.268658] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 4281.268689] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 4281.268721] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 4281.268745] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 4281.268777] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 4281.268809] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 4281.268840] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 4281.268871] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 4281.268903]  </IRQ>
[ 4281.268916]  <TASK>
[ 4281.268929] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4281.268961] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4281.268986] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 4281.269011] __dev_queue_xmit (net/core/dev.c:4295) 
[ 4281.269036] ? eth_header (net/ethernet/eth.c:85) 
[ 4281.269060] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 4281.269085] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 4281.269116] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 4281.269146] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 4281.269171] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 4281.269198] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 4281.269223] process_one_work (kernel/workqueue.c:3254) 
[ 4281.269248] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4281.269279] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 4281.269304] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4281.269336] kthread (kernel/kthread.c:388) 
[ 4281.269361] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4281.269386] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 4281.269412] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4281.269436] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 4330.554490] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 3886586 jiffies s: 6153 root: 0x1/.
| [ 4330.554651] rcu: blocking rcu_node structures (internal RCU debug):
| [ 4330.554703] Sending NMI from CPU 1 to CPUs 0:
| [ 4330.554757] NMI backtrace for cpu 0
[ 4330.554764] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 4330.554766] Workqueue: mld mld_ifc_work
[ 4330.554774] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4330.554778] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 4330.554780] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 4330.554781] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 4330.554782] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 4330.554783] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 4330.554784] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 4330.554785] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 4330.554788] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 4330.554789] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4330.554790] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 4330.554791] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 4330.554791] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 4330.554792] PKRU: 55555554
[ 4330.554793] Call Trace:
[ 4330.554796]  <NMI>
[ 4330.554800] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 4330.554804] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 4330.554810] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 4330.554815] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 4330.554818] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 4330.554820] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 4330.554825] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4330.554826] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4330.554828] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4330.554829]  </NMI>
[ 4330.554829]  <TASK>
[ 4330.554830] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 4330.554834] __dev_queue_xmit (net/core/dev.c:4295) 
[ 4330.554836] ? eth_header (net/ethernet/eth.c:85) 
[ 4330.554840] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 4330.554845] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 4330.554847] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 4330.554851] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 4330.554853] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 4330.554856] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 4330.554858] process_one_work (kernel/workqueue.c:3254) 
[ 4330.554863] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4330.554864] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 4330.554866] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4330.554868] kthread (kernel/kthread.c:388) 
[ 4330.554871] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4330.554872] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 4330.554877] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4330.554878] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 4330.554883]  </TASK>
| [ 4344.270479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 4344.270581] rcu: 0-....: (3931663 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=912119
| [ 4344.270644] rcu: (t=3927186 jiffies g=53861 q=1581 ncpus=4)
[ 4344.270723] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 4344.270792] Workqueue: mld mld_ifc_work
[ 4344.270824] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4344.270858] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 4344.270959] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 4344.270992] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 4344.271034] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 4344.271076] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 4344.271117] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 4344.271158] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 4344.271201] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 4344.271248] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4344.271287] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 4344.271328] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 4344.271372] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 4344.271412] PKRU: 55555554
[ 4344.271426] Call Trace:
[ 4344.271441]  <IRQ>
[ 4344.271461] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 4344.271505] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 4344.271539] ? notifier_call_chain (kernel/notifier.c:93) 
[ 4344.271572] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 4344.271613] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 4344.271644] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 4344.271676] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 4344.271709] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 4344.271736] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 4344.271763] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 4344.271791] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 4344.271819] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 4344.271852] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 4344.271885]  </IRQ>
[ 4344.271899]  <TASK>
[ 4344.271913] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4344.271947] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4344.271973] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 4344.271999] __dev_queue_xmit (net/core/dev.c:4295) 
[ 4344.272025] ? eth_header (net/ethernet/eth.c:85) 
[ 4344.272052] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 4344.272077] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 4344.272110] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 4344.272138] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 4344.272164] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 4344.272190] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 4344.272216] process_one_work (kernel/workqueue.c:3254) 
[ 4344.272241] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4344.272273] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 4344.272299] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4344.272332] kthread (kernel/kthread.c:388) 
[ 4344.272358] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4344.272379] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 4344.272405] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4344.272431] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 4396.090483] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 3952122 jiffies s: 6153 root: 0x1/.
| [ 4396.090624] rcu: blocking rcu_node structures (internal RCU debug):
| [ 4396.090663] Sending NMI from CPU 1 to CPUs 0:
| [ 4396.090703] NMI backtrace for cpu 0
[ 4396.090710] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 4396.090712] Workqueue: mld mld_ifc_work
[ 4396.090721] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4396.090725] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 4396.090727] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 4396.090728] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 4396.090730] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 4396.090731] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 4396.090731] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 4396.090732] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 4396.090735] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 4396.090736] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4396.090737] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 4396.090738] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 4396.090739] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 4396.090740] PKRU: 55555554
[ 4396.090740] Call Trace:
[ 4396.090743]  <NMI>
[ 4396.090746] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 4396.090750] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 4396.090755] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 4396.090760] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 4396.090763] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 4396.090765] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 4396.090770] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4396.090771] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4396.090772] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4396.090773]  </NMI>
[ 4396.090774]  <TASK>
[ 4396.090774] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 4396.090779] __dev_queue_xmit (net/core/dev.c:4295) 
[ 4396.090780] ? eth_header (net/ethernet/eth.c:85) 
[ 4396.090785] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 4396.090790] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 4396.090792] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 4396.090798] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 4396.090801] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 4396.090804] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 4396.090806] process_one_work (kernel/workqueue.c:3254) 
[ 4396.090811] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4396.090813] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 4396.090815] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4396.090817] kthread (kernel/kthread.c:388) 
[ 4396.090820] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4396.090821] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 4396.090826] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4396.090827] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 4396.090833]  </TASK>
| [ 4407.273479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 4407.273583] rcu: 0-....: (3994665 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=926636
| [ 4407.273649] rcu: (t=3990189 jiffies g=53861 q=1581 ncpus=4)
[ 4407.273728] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 4407.273790] Workqueue: mld mld_ifc_work
[ 4407.273824] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4407.273856] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 4407.273957] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 4407.273990] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 4407.274031] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 4407.274072] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 4407.274113] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 4407.274158] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 4407.274201] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 4407.274245] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4407.274282] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 4407.274325] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 4407.274371] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 4407.274411] PKRU: 55555554
[ 4407.274424] Call Trace:
[ 4407.274440]  <IRQ>
[ 4407.274459] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 4407.274495] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 4407.274528] ? notifier_call_chain (kernel/notifier.c:93) 
[ 4407.274570] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 4407.274603] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 4407.274636] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 4407.274670] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 4407.274705] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 4407.274730] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 4407.274761] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 4407.274793] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 4407.274825] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 4407.274857] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 4407.274888]  </IRQ>
[ 4407.274901]  <TASK>
[ 4407.274914] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4407.274947] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4407.274971] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 4407.274997] __dev_queue_xmit (net/core/dev.c:4295) 
[ 4407.275022] ? eth_header (net/ethernet/eth.c:85) 
[ 4407.275048] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 4407.275074] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 4407.275106] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 4407.275132] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 4407.275157] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 4407.275182] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 4407.275207] process_one_work (kernel/workqueue.c:3254) 
[ 4407.275235] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4407.275266] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 4407.275291] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4407.275324] kthread (kernel/kthread.c:388) 
[ 4407.275350] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4407.275370] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 4407.275397] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4407.275417] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 4461.626485] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 4017658 jiffies s: 6153 root: 0x1/.
| [ 4461.626668] rcu: blocking rcu_node structures (internal RCU debug):
| [ 4461.626708] Sending NMI from CPU 1 to CPUs 0:
| [ 4461.626750] NMI backtrace for cpu 0
[ 4461.626756] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 4461.626758] Workqueue: mld mld_ifc_work
[ 4461.626766] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4461.626770] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 4461.626772] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 4461.626773] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 4461.626774] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 4461.626775] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 4461.626776] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 4461.626777] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 4461.626780] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 4461.626781] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4461.626782] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 4461.626783] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 4461.626783] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 4461.626784] PKRU: 55555554
[ 4461.626785] Call Trace:
[ 4461.626788]  <NMI>
[ 4461.626791] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 4461.626794] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 4461.626800] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 4461.626806] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 4461.626809] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 4461.626810] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 4461.626814] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4461.626815] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4461.626817] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4461.626818]  </NMI>
[ 4461.626818]  <TASK>
[ 4461.626819] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 4461.626823] __dev_queue_xmit (net/core/dev.c:4295) 
[ 4461.626825] ? eth_header (net/ethernet/eth.c:85) 
[ 4461.626830] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 4461.626835] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 4461.626837] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 4461.626841] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 4461.626843] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 4461.626846] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 4461.626848] process_one_work (kernel/workqueue.c:3254) 
[ 4461.626851] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4461.626853] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 4461.626856] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4461.626857] kthread (kernel/kthread.c:388) 
[ 4461.626860] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4461.626862] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 4461.626866] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4461.626868] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 4461.626873]  </TASK>
| [ 4470.276479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 4470.276649] rcu: 0-....: (4057668 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=941166
| [ 4470.276714] rcu: (t=4053192 jiffies g=53861 q=1581 ncpus=4)
[ 4470.276790] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 4470.276855] Workqueue: mld mld_ifc_work
[ 4470.276889] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4470.276921] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 4470.277019] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 4470.277051] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 4470.277095] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 4470.277134] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 4470.277180] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 4470.277222] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 4470.277264] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 4470.277309] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4470.277346] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 4470.277387] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 4470.277433] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 4470.277475] PKRU: 55555554
[ 4470.277488] Call Trace:
[ 4470.277504]  <IRQ>
[ 4470.277523] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 4470.277562] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 4470.277596] ? notifier_call_chain (kernel/notifier.c:93) 
[ 4470.277628] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 4470.277660] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 4470.277692] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 4470.277725] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 4470.277762] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 4470.277788] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 4470.277821] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 4470.277849] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 4470.277882] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 4470.277915] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 4470.277949]  </IRQ>
[ 4470.277963]  <TASK>
[ 4470.277977] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4470.278011] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4470.278037] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 4470.278063] __dev_queue_xmit (net/core/dev.c:4295) 
[ 4470.278090] ? eth_header (net/ethernet/eth.c:85) 
[ 4470.278116] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 4470.278142] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 4470.278175] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 4470.278201] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 4470.278227] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 4470.278254] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 4470.278280] process_one_work (kernel/workqueue.c:3254) 
[ 4470.278305] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4470.278338] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 4470.278364] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4470.278396] kthread (kernel/kthread.c:388) 
[ 4470.278422] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4470.278443] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 4470.278469] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4470.278490] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 4527.163485] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 4083195 jiffies s: 6153 root: 0x1/.
| [ 4527.163683] rcu: blocking rcu_node structures (internal RCU debug):
| [ 4527.163733] Sending NMI from CPU 1 to CPUs 0:
| [ 4527.163778] NMI backtrace for cpu 0
[ 4527.163787] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 4527.163788] Workqueue: mld mld_ifc_work
[ 4527.163797] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4527.163802] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 4527.163804] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 4527.163805] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 4527.163806] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 4527.163807] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 4527.163809] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 4527.163809] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 4527.163812] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 4527.163813] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4527.163814] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 4527.163816] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 4527.163817] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 4527.163817] PKRU: 55555554
[ 4527.163818] Call Trace:
[ 4527.163821]  <NMI>
[ 4527.163824] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 4527.163828] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 4527.163834] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 4527.163839] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 4527.163842] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 4527.163843] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 4527.163848] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4527.163849] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4527.163851] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4527.163852]  </NMI>
[ 4527.163852]  <TASK>
[ 4527.163853] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 4527.163857] __dev_queue_xmit (net/core/dev.c:4295) 
[ 4527.163859] ? eth_header (net/ethernet/eth.c:85) 
[ 4527.163863] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 4527.163869] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 4527.163870] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 4527.163875] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 4527.163878] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 4527.163881] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 4527.163883] process_one_work (kernel/workqueue.c:3254) 
[ 4527.163888] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4527.163889] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 4527.163892] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4527.163893] kthread (kernel/kthread.c:388) 
[ 4527.163896] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4527.163898] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 4527.163903] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4527.163904] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 4527.163909]  </TASK>
| [ 4533.279479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 4533.279636] rcu: 0-....: (4120670 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=955505
| [ 4533.279703] rcu: (t=4116195 jiffies g=53861 q=1581 ncpus=4)
[ 4533.279779] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 4533.279845] Workqueue: mld mld_ifc_work
[ 4533.279875] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4533.279908] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 4533.280009] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 4533.280042] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 4533.280083] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 4533.280125] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 4533.280167] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 4533.280209] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 4533.280252] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 4533.280299] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4533.280338] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 4533.280381] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 4533.280426] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 4533.280467] PKRU: 55555554
[ 4533.280481] Call Trace:
[ 4533.280497]  <IRQ>
[ 4533.280516] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 4533.280551] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 4533.280584] ? notifier_call_chain (kernel/notifier.c:93) 
[ 4533.280617] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 4533.280650] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 4533.280683] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 4533.280722] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 4533.280754] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 4533.280779] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 4533.280810] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 4533.280837] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 4533.280868] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 4533.280900] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 4533.280931]  </IRQ>
[ 4533.280944]  <TASK>
[ 4533.280957] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4533.280989] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4533.281014] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 4533.281039] __dev_queue_xmit (net/core/dev.c:4295) 
[ 4533.281064] ? eth_header (net/ethernet/eth.c:85) 
[ 4533.281089] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 4533.281114] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 4533.281146] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 4533.281172] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 4533.281197] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 4533.281222] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 4533.281248] process_one_work (kernel/workqueue.c:3254) 
[ 4533.281272] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4533.281304] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 4533.281330] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4533.281361] kthread (kernel/kthread.c:388) 
[ 4533.281386] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4533.281406] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 4533.281432] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4533.281457] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 4592.699521] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 4148731 jiffies s: 6153 root: 0x1/.
| [ 4592.699719] rcu: blocking rcu_node structures (internal RCU debug):
| [ 4592.699768] Sending NMI from CPU 1 to CPUs 0:
| [ 4592.699818] NMI backtrace for cpu 0
[ 4592.699827] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 4592.699829] Workqueue: mld mld_ifc_work
[ 4592.699838] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4592.699844] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 4592.699846] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 4592.699847] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 4592.699848] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 4592.699850] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 4592.699850] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 4592.699851] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 4592.699854] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 4592.699855] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4592.699856] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 4592.699857] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 4592.699857] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 4592.699858] PKRU: 55555554
[ 4592.699858] Call Trace:
[ 4592.699864]  <NMI>
[ 4592.699871] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 4592.699874] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 4592.699880] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 4592.699885] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 4592.699888] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 4592.699889] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 4592.699894] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4592.699895] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4592.699896] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4592.699897]  </NMI>
[ 4592.699898]  <TASK>
[ 4592.699898] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 4592.699902] __dev_queue_xmit (net/core/dev.c:4295) 
[ 4592.699904] ? eth_header (net/ethernet/eth.c:85) 
[ 4592.699909] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 4592.699914] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 4592.699916] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 4592.699921] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 4592.699924] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 4592.699926] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 4592.699929] process_one_work (kernel/workqueue.c:3254) 
[ 4592.699933] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4592.699935] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 4592.699938] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4592.699939] kthread (kernel/kthread.c:388) 
[ 4592.699942] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4592.699944] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 4592.699948] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4592.699949] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 4592.699954]  </TASK>
| [ 4596.282479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 4596.282635] rcu: 0-....: (4183672 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=969882
| [ 4596.282695] rcu: (t=4179198 jiffies g=53861 q=1581 ncpus=4)
[ 4596.282774] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 4596.282836] Workqueue: mld mld_ifc_work
[ 4596.282868] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4596.282901] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 4596.283004] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 4596.283037] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 4596.283079] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 4596.283119] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 4596.283161] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 4596.283202] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 4596.283245] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 4596.283291] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4596.283330] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 4596.283372] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 4596.283418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 4596.283460] PKRU: 55555554
[ 4596.283473] Call Trace:
[ 4596.283487]  <IRQ>
[ 4596.283502] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 4596.283538] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 4596.283572] ? notifier_call_chain (kernel/notifier.c:93) 
[ 4596.283606] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 4596.283639] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 4596.283673] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 4596.283707] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 4596.283740] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 4596.283766] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 4596.283794] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 4596.283821] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 4596.283854] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 4596.283887] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 4596.283920]  </IRQ>
[ 4596.283934]  <TASK>
[ 4596.283948] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4596.283983] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4596.284008] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 4596.284036] __dev_queue_xmit (net/core/dev.c:4295) 
[ 4596.284062] ? eth_header (net/ethernet/eth.c:85) 
[ 4596.284088] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 4596.284115] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 4596.284148] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 4596.284175] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 4596.284201] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 4596.284227] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 4596.284253] process_one_work (kernel/workqueue.c:3254) 
[ 4596.284279] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4596.284312] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 4596.284338] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4596.284371] kthread (kernel/kthread.c:388) 
[ 4596.284398] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4596.284418] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 4596.284444] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4596.284465] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 4658.235483] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 4214267 jiffies s: 6153 root: 0x1/.
| [ 4658.235681] rcu: blocking rcu_node structures (internal RCU debug):
| [ 4658.235728] Sending NMI from CPU 1 to CPUs 0:
| [ 4658.235781] NMI backtrace for cpu 0
[ 4658.235793] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 4658.235795] Workqueue: mld mld_ifc_work
[ 4658.235804] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4658.235808] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 4658.235810] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 4658.235811] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 4658.235812] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 4658.235813] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 4658.235815] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 4658.235816] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 4658.235819] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 4658.235820] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4658.235821] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 4658.235822] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 4658.235822] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 4658.235823] PKRU: 55555554
[ 4658.235824] Call Trace:
[ 4658.235827]  <NMI>
[ 4658.235829] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 4658.235833] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 4658.235839] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 4658.235844] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 4658.235847] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 4658.235849] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 4658.235854] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4658.235855] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4658.235857] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4658.235858]  </NMI>
[ 4658.235858]  <TASK>
[ 4658.235858] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 4658.235862] __dev_queue_xmit (net/core/dev.c:4295) 
[ 4658.235864] ? eth_header (net/ethernet/eth.c:85) 
[ 4658.235869] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 4658.235874] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 4658.235875] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 4658.235881] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 4658.235883] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 4658.235886] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 4658.235888] process_one_work (kernel/workqueue.c:3254) 
[ 4658.235893] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4658.235895] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 4658.235897] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4658.235899] kthread (kernel/kthread.c:388) 
[ 4658.235902] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4658.235904] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 4658.235908] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4658.235909] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 4658.235915]  </TASK>
| [ 4659.285479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 4659.285624] rcu: 0-....: (4246674 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=984072
| [ 4659.285683] rcu: (t=4242201 jiffies g=53861 q=1581 ncpus=4)
[ 4659.285761] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 4659.285825] Workqueue: mld mld_ifc_work
[ 4659.285851] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4659.285884] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 4659.285996] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 4659.286028] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 4659.286072] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 4659.286111] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 4659.286150] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 4659.286189] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 4659.286230] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 4659.286274] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4659.286311] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 4659.286351] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 4659.286395] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 4659.286434] PKRU: 55555554
[ 4659.286447] Call Trace:
[ 4659.286460]  <IRQ>
[ 4659.286473] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 4659.286505] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 4659.286538] ? notifier_call_chain (kernel/notifier.c:93) 
[ 4659.286571] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 4659.286604] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 4659.286638] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 4659.286672] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 4659.286705] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 4659.286731] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 4659.286759] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 4659.286787] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 4659.286815] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 4659.286848] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 4659.286881]  </IRQ>
[ 4659.286895]  <TASK>
[ 4659.286909] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4659.286943] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4659.286969] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 4659.286996] __dev_queue_xmit (net/core/dev.c:4295) 
[ 4659.287022] ? eth_header (net/ethernet/eth.c:85) 
[ 4659.287049] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 4659.287075] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 4659.287108] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 4659.287135] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 4659.287161] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 4659.287187] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 4659.287214] process_one_work (kernel/workqueue.c:3254) 
[ 4659.287240] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4659.287273] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 4659.287294] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4659.287327] kthread (kernel/kthread.c:388) 
[ 4659.287347] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4659.287368] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 4659.287394] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4659.287414] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 4659.287436]  </TASK>
| [ 4722.288479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 4722.288580] rcu: 0-....: (4309677 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=998746
| [ 4722.288644] rcu: (t=4305204 jiffies g=53861 q=1581 ncpus=4)
[ 4722.288725] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 4722.288793] Workqueue: mld mld_ifc_work
[ 4722.288835] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4722.288872] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 4722.289006] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 4722.289039] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 4722.289086] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 4722.289127] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 4722.289169] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 4722.289211] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 4722.289254] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 4722.289299] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4722.289339] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 4722.289391] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 4722.289437] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 4722.289479] PKRU: 55555554
[ 4722.289492] Call Trace:
[ 4722.289517]  <IRQ>
[ 4722.289536] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 4722.289573] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 4722.289606] ? notifier_call_chain (kernel/notifier.c:93) 
[ 4722.289637] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 4722.289669] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 4722.289700] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 4722.289732] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 4722.289767] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 4722.289791] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 4722.289831] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 4722.289864] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 4722.289895] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 4722.289927] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 4722.289958]  </IRQ>
[ 4722.289975]  <TASK>
[ 4722.289994] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4722.290030] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4722.290059] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 4722.290096] __dev_queue_xmit (net/core/dev.c:4295) 
[ 4722.290132] ? eth_header (net/ethernet/eth.c:85) 
[ 4722.290162] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 4722.290188] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 4722.290219] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 4722.290249] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 4722.290275] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 4722.290300] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 4722.290325] process_one_work (kernel/workqueue.c:3254) 
[ 4722.290356] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4722.290394] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 4722.290420] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4722.290451] kthread (kernel/kthread.c:388) 
[ 4722.290478] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4722.290503] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 4722.290532] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4722.290558] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 4723.771485] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 4279803 jiffies s: 6153 root: 0x1/.
| [ 4723.771612] rcu: blocking rcu_node structures (internal RCU debug):
| [ 4723.771658] Sending NMI from CPU 1 to CPUs 0:
| [ 4723.771703] NMI backtrace for cpu 0
[ 4723.771707] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 4723.771709] Workqueue: mld mld_ifc_work
[ 4723.771711] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4723.771713] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 4723.771714] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 4723.771716] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 4723.771717] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 4723.771717] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 4723.771718] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 4723.771719] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 4723.771721] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 4723.771722] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4723.771723] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 4723.771724] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 4723.771724] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 4723.771725] PKRU: 55555554
[ 4723.771725] Call Trace:
[ 4723.771726]  <NMI>
[ 4723.771727] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 4723.771731] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 4723.771735] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 4723.771739] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 4723.771741] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 4723.771742] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 4723.771746] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4723.771747] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4723.771748] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4723.771749]  </NMI>
[ 4723.771749]  <TASK>
[ 4723.771750] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 4723.771752] __dev_queue_xmit (net/core/dev.c:4295) 
[ 4723.771753] ? eth_header (net/ethernet/eth.c:85) 
[ 4723.771755] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 4723.771757] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 4723.771758] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 4723.771762] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 4723.771764] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 4723.771766] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 4723.771768] process_one_work (kernel/workqueue.c:3254) 
[ 4723.771771] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4723.771773] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 4723.771775] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4723.771777] kthread (kernel/kthread.c:388) 
[ 4723.771778] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4723.771779] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 4723.771782] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4723.771783] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 4723.771786]  </TASK>
| [ 4785.291479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 4785.291595] rcu: 0-....: (4372679 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1013291
| [ 4785.291655] rcu: (t=4368207 jiffies g=53861 q=1581 ncpus=4)
[ 4785.291742] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 4785.291809] Workqueue: mld mld_ifc_work
[ 4785.291846] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4785.291882] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 4785.291985] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 4785.292018] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 4785.292059] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 4785.292101] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 4785.292142] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 4785.292183] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 4785.292226] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 4785.292273] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4785.292312] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 4785.292363] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 4785.292407] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 4785.292448] PKRU: 55555554
[ 4785.292462] Call Trace:
[ 4785.292480]  <IRQ>
[ 4785.292505] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 4785.292544] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 4785.292578] ? notifier_call_chain (kernel/notifier.c:93) 
[ 4785.292612] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 4785.292646] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 4785.292679] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 4785.292712] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 4785.292746] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 4785.292773] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 4785.292801] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 4785.292829] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 4785.292862] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 4785.292896] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 4785.292929]  </IRQ>
[ 4785.292943]  <TASK>
[ 4785.292957] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4785.292991] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4785.293017] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 4785.293044] __dev_queue_xmit (net/core/dev.c:4295) 
[ 4785.293070] ? eth_header (net/ethernet/eth.c:85) 
[ 4785.293097] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 4785.293123] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 4785.293156] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 4785.293187] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 4785.293213] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 4785.293240] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 4785.293265] process_one_work (kernel/workqueue.c:3254) 
[ 4785.293291] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4785.293324] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 4785.293355] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4785.293396] kthread (kernel/kthread.c:388) 
[ 4785.293423] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4785.293448] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 4785.293482] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4785.293508] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 4789.307483] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 4345339 jiffies s: 6153 root: 0x1/.
| [ 4789.307621] rcu: blocking rcu_node structures (internal RCU debug):
| [ 4789.307667] Sending NMI from CPU 1 to CPUs 0:
| [ 4789.307714] NMI backtrace for cpu 0
[ 4789.307723] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 4789.307724] Workqueue: mld mld_ifc_work
[ 4789.307727] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4789.307729] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 4789.307731] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 4789.307732] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 4789.307733] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 4789.307733] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 4789.307734] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 4789.307735] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 4789.307737] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 4789.307739] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4789.307739] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 4789.307740] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 4789.307741] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 4789.307742] PKRU: 55555554
[ 4789.307742] Call Trace:
[ 4789.307743]  <NMI>
[ 4789.307745] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 4789.307749] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 4789.307753] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 4789.307757] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 4789.307759] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 4789.307761] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 4789.307764] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4789.307765] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4789.307766] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4789.307767]  </NMI>
[ 4789.307768]  <TASK>
[ 4789.307768] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 4789.307770] __dev_queue_xmit (net/core/dev.c:4295) 
[ 4789.307772] ? eth_header (net/ethernet/eth.c:85) 
[ 4789.307775] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 4789.307777] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 4789.307778] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 4789.307782] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 4789.307784] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 4789.307786] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 4789.307789] process_one_work (kernel/workqueue.c:3254) 
[ 4789.307792] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4789.307794] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 4789.307796] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4789.307797] kthread (kernel/kthread.c:388) 
[ 4789.307799] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4789.307800] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 4789.307802] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4789.307804] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 4789.307806]  </TASK>
| [ 4848.294479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 4848.294650] rcu: 0-....: (4435681 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1027554
| [ 4848.294713] rcu: (t=4431210 jiffies g=53861 q=1581 ncpus=4)
[ 4848.294805] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 4848.294868] Workqueue: mld mld_ifc_work
[ 4848.294903] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4848.294938] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 4848.295039] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 4848.295072] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 4848.295113] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 4848.295154] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 4848.295195] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 4848.295242] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 4848.295285] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 4848.295330] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4848.295368] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 4848.295409] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 4848.295454] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 4848.295495] PKRU: 55555554
[ 4848.295509] Call Trace:
[ 4848.295525]  <IRQ>
[ 4848.295544] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 4848.295579] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 4848.295612] ? notifier_call_chain (kernel/notifier.c:93) 
[ 4848.295645] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 4848.295678] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 4848.295710] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 4848.295742] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 4848.295774] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 4848.295800] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 4848.295827] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 4848.295854] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 4848.295886] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 4848.295918] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 4848.295949]  </IRQ>
[ 4848.295962]  <TASK>
[ 4848.295976] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4848.296010] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4848.296035] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 4848.296062] __dev_queue_xmit (net/core/dev.c:4295) 
[ 4848.296093] ? eth_header (net/ethernet/eth.c:85) 
[ 4848.296122] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 4848.296149] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 4848.296180] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 4848.296206] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 4848.296231] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 4848.296258] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 4848.296283] process_one_work (kernel/workqueue.c:3254) 
[ 4848.296312] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4848.296345] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 4848.296371] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4848.296403] kthread (kernel/kthread.c:388) 
[ 4848.296428] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4848.296453] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 4848.296482] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4848.296507] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 4854.843486] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 4410875 jiffies s: 6153 root: 0x1/.
| [ 4854.843697] rcu: blocking rcu_node structures (internal RCU debug):
| [ 4854.843743] Sending NMI from CPU 1 to CPUs 0:
| [ 4854.843787] NMI backtrace for cpu 0
[ 4854.843793] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 4854.843795] Workqueue: mld mld_ifc_work
[ 4854.843799] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4854.843801] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 4854.843803] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 4854.843804] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 4854.843805] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 4854.843806] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 4854.843807] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 4854.843808] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 4854.843810] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 4854.843811] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4854.843812] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 4854.843813] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 4854.843813] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 4854.843814] PKRU: 55555554
[ 4854.843814] Call Trace:
[ 4854.843816]  <NMI>
[ 4854.843817] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 4854.843821] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 4854.843826] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 4854.843830] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 4854.843833] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 4854.843834] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 4854.843836] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4854.843837] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4854.843838] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4854.843839]  </NMI>
[ 4854.843840]  <TASK>
[ 4854.843840] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 4854.843843] __dev_queue_xmit (net/core/dev.c:4295) 
[ 4854.843844] ? eth_header (net/ethernet/eth.c:85) 
[ 4854.843847] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 4854.843850] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 4854.843851] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 4854.843855] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 4854.843857] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 4854.843859] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 4854.843861] process_one_work (kernel/workqueue.c:3254) 
[ 4854.843864] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4854.843866] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 4854.843868] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4854.843870] kthread (kernel/kthread.c:388) 
[ 4854.843871] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4854.843873] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 4854.843876] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4854.843877] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 4854.843880]  </TASK>
| [ 4911.297478] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 4911.297579] rcu: 0-....: (4498683 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1042669
| [ 4911.297643] rcu: (t=4494213 jiffies g=53861 q=1581 ncpus=4)
[ 4911.297718] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 4911.297786] Workqueue: mld mld_ifc_work
[ 4911.297818] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4911.297851] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 4911.297954] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 4911.297987] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 4911.298029] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 4911.298070] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 4911.298112] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 4911.298154] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 4911.298196] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 4911.298243] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4911.298282] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 4911.298324] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 4911.298369] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 4911.298411] PKRU: 55555554
[ 4911.298425] Call Trace:
[ 4911.298440]  <IRQ>
[ 4911.298460] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 4911.298495] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 4911.298529] ? notifier_call_chain (kernel/notifier.c:93) 
[ 4911.298562] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 4911.298596] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 4911.298629] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 4911.298662] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 4911.298695] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 4911.298727] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 4911.298757] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 4911.298786] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 4911.298818] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 4911.298852] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 4911.298885]  </IRQ>
[ 4911.298898]  <TASK>
[ 4911.298911] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4911.298946] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4911.298972] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 4911.298999] __dev_queue_xmit (net/core/dev.c:4295) 
[ 4911.299025] ? eth_header (net/ethernet/eth.c:85) 
[ 4911.299052] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 4911.299082] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 4911.299115] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 4911.299142] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 4911.299168] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 4911.299195] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 4911.299221] process_one_work (kernel/workqueue.c:3254) 
[ 4911.299247] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4911.299280] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 4911.299307] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4911.299339] kthread (kernel/kthread.c:388) 
[ 4911.299365] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4911.299386] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 4911.299412] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4911.299438] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 4920.379510] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 4476411 jiffies s: 6153 root: 0x1/.
| [ 4920.379688] rcu: blocking rcu_node structures (internal RCU debug):
| [ 4920.379749] Sending NMI from CPU 1 to CPUs 0:
| [ 4920.379805] NMI backtrace for cpu 0
[ 4920.379809] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 4920.379811] Workqueue: mld mld_ifc_work
[ 4920.379816] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4920.379818] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 4920.379819] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 4920.379820] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 4920.379821] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 4920.379822] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 4920.379822] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 4920.379823] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 4920.379825] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 4920.379826] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4920.379827] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 4920.379828] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 4920.379828] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 4920.379829] PKRU: 55555554
[ 4920.379830] Call Trace:
[ 4920.379831]  <NMI>
[ 4920.379832] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 4920.379835] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 4920.379840] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 4920.379844] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 4920.379847] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 4920.379848] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 4920.379850] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4920.379852] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4920.379853] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4920.379854]  </NMI>
[ 4920.379854]  <TASK>
[ 4920.379855] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 4920.379857] __dev_queue_xmit (net/core/dev.c:4295) 
[ 4920.379859] ? eth_header (net/ethernet/eth.c:85) 
[ 4920.379861] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 4920.379864] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 4920.379866] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 4920.379869] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 4920.379872] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 4920.379874] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 4920.379876] process_one_work (kernel/workqueue.c:3254) 
[ 4920.379879] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4920.379881] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 4920.379882] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4920.379884] kthread (kernel/kthread.c:388) 
[ 4920.379885] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4920.379887] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 4920.379890] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4920.379891] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 4920.379893]  </TASK>
| [ 4974.300478] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 4974.300578] rcu: 0-....: (4561684 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1057491
| [ 4974.300640] rcu: (t=4557216 jiffies g=53861 q=1581 ncpus=4)
[ 4974.300721] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 4974.300790] Workqueue: mld mld_ifc_work
[ 4974.300823] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4974.300856] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 4974.300959] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 4974.300991] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 4974.301036] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 4974.301075] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 4974.301115] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 4974.301155] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 4974.301195] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 4974.301245] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4974.301282] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 4974.301323] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 4974.301366] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 4974.301405] PKRU: 55555554
[ 4974.301418] Call Trace:
[ 4974.301433]  <IRQ>
[ 4974.301451] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 4974.301488] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 4974.301520] ? notifier_call_chain (kernel/notifier.c:93) 
[ 4974.301552] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 4974.301583] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 4974.301616] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 4974.301649] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 4974.301681] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 4974.301706] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 4974.301738] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 4974.301770] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 4974.301803] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 4974.301836] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 4974.301870]  </IRQ>
[ 4974.301883]  <TASK>
[ 4974.301897] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 4974.301931] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4974.301957] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 4974.301984] __dev_queue_xmit (net/core/dev.c:4295) 
[ 4974.302009] ? eth_header (net/ethernet/eth.c:85) 
[ 4974.302035] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 4974.302064] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 4974.302096] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 4974.302125] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 4974.302150] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 4974.302176] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 4974.302201] process_one_work (kernel/workqueue.c:3254) 
[ 4974.302226] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4974.302258] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 4974.302284] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4974.302317] kthread (kernel/kthread.c:388) 
[ 4974.302338] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4974.302359] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 4974.302385] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4974.302406] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 4985.915484] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 4541947 jiffies s: 6153 root: 0x1/.
| [ 4985.915694] rcu: blocking rcu_node structures (internal RCU debug):
| [ 4985.915737] Sending NMI from CPU 1 to CPUs 0:
| [ 4985.915781] NMI backtrace for cpu 0
[ 4985.915787] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 4985.915789] Workqueue: mld mld_ifc_work
[ 4985.915794] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4985.915797] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 4985.915799] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 4985.915800] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 4985.915800] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 4985.915801] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 4985.915802] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 4985.915802] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 4985.915805] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 4985.915806] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 4985.915806] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 4985.915807] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 4985.915808] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 4985.915809] PKRU: 55555554
[ 4985.915810] Call Trace:
[ 4985.915812]  <NMI>
[ 4985.915814] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 4985.915817] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 4985.915822] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 4985.915826] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 4985.915829] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 4985.915830] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 4985.915833] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4985.915834] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4985.915836] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 4985.915837]  </NMI>
[ 4985.915837]  <TASK>
[ 4985.915838] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 4985.915841] __dev_queue_xmit (net/core/dev.c:4295) 
[ 4985.915842] ? eth_header (net/ethernet/eth.c:85) 
[ 4985.915845] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 4985.915848] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 4985.915850] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 4985.915853] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 4985.915855] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 4985.915858] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 4985.915860] process_one_work (kernel/workqueue.c:3254) 
[ 4985.915864] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4985.915865] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 4985.915867] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 4985.915869] kthread (kernel/kthread.c:388) 
[ 4985.915871] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4985.915873] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 4985.915876] ? __pfx_kthread (kernel/kthread.c:341) 
[ 4985.915877] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 4985.915879]  </TASK>
| [ 5037.303479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 5037.303591] rcu: 0-....: (4624687 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1071500
| [ 5037.303656] rcu: (t=4620219 jiffies g=53861 q=1581 ncpus=4)
[ 5037.303731] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5037.303794] Workqueue: mld mld_ifc_work
[ 5037.303827] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5037.303864] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 5037.303967] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 5037.303999] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 5037.304041] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 5037.304083] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 5037.304125] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 5037.304166] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 5037.304210] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 5037.304257] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5037.304296] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 5037.304340] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5037.304384] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5037.304426] PKRU: 55555554
[ 5037.304439] Call Trace:
[ 5037.304455]  <IRQ>
[ 5037.304474] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 5037.304510] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 5037.304544] ? notifier_call_chain (kernel/notifier.c:93) 
[ 5037.304576] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 5037.304609] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 5037.304642] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 5037.304675] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 5037.304708] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 5037.304734] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 5037.304768] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 5037.304795] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 5037.304828] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 5037.304861] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 5037.304895]  </IRQ>
[ 5037.304908]  <TASK>
[ 5037.304922] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 5037.304956] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5037.304982] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 5037.305008] __dev_queue_xmit (net/core/dev.c:4295) 
[ 5037.305033] ? eth_header (net/ethernet/eth.c:85) 
[ 5037.305063] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 5037.305093] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 5037.305126] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 5037.305153] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 5037.305179] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 5037.305206] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 5037.305231] process_one_work (kernel/workqueue.c:3254) 
[ 5037.305260] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5037.305293] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 5037.305320] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5037.305352] kthread (kernel/kthread.c:388) 
[ 5037.305379] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5037.305399] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 5037.305426] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5037.305446] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 5051.451484] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 4607483 jiffies s: 6153 root: 0x1/.
| [ 5051.451670] rcu: blocking rcu_node structures (internal RCU debug):
| [ 5051.451718] Sending NMI from CPU 1 to CPUs 0:
| [ 5051.451763] NMI backtrace for cpu 0
[ 5051.451769] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5051.451771] Workqueue: mld mld_ifc_work
[ 5051.451777] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5051.451781] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 5051.451783] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 5051.451784] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 5051.451785] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 5051.451786] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 5051.451787] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 5051.451788] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 5051.451791] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 5051.451792] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5051.451793] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 5051.451794] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5051.451794] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5051.451795] PKRU: 55555554
[ 5051.451796] Call Trace:
[ 5051.451798]  <NMI>
[ 5051.451800] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 5051.451803] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 5051.451808] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 5051.451813] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 5051.451816] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 5051.451817] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 5051.451821] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5051.451822] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5051.451823] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5051.451824]  </NMI>
[ 5051.451825]  <TASK>
[ 5051.451825] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 5051.451829] __dev_queue_xmit (net/core/dev.c:4295) 
[ 5051.451831] ? eth_header (net/ethernet/eth.c:85) 
[ 5051.451834] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 5051.451837] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 5051.451839] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 5051.451842] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 5051.451845] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 5051.451847] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 5051.451850] process_one_work (kernel/workqueue.c:3254) 
[ 5051.451854] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5051.451856] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 5051.451858] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5051.451859] kthread (kernel/kthread.c:388) 
[ 5051.451862] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5051.451864] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 5051.451868] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5051.451869] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 5051.451873]  </TASK>
| [ 5100.306486] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 5100.306653] rcu: 0-....: (4687689 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1085969
| [ 5100.306714] rcu: (t=4683222 jiffies g=53861 q=1581 ncpus=4)
[ 5100.306795] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5100.306863] Workqueue: mld mld_ifc_work
[ 5100.306895] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5100.306933] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 5100.307032] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 5100.307065] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 5100.307106] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 5100.307147] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 5100.307188] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 5100.307228] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 5100.307269] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 5100.307316] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5100.307354] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 5100.307399] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5100.307442] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5100.307487] PKRU: 55555554
[ 5100.307500] Call Trace:
[ 5100.307518]  <IRQ>
[ 5100.307545] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 5100.307583] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 5100.307616] ? notifier_call_chain (kernel/notifier.c:93) 
[ 5100.307648] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 5100.307680] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 5100.307711] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 5100.307743] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 5100.307775] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 5100.307800] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 5100.307832] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 5100.307864] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 5100.307897] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 5100.307930] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 5100.307963]  </IRQ>
[ 5100.307977]  <TASK>
[ 5100.307991] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 5100.308025] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5100.308051] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 5100.308083] __dev_queue_xmit (net/core/dev.c:4295) 
[ 5100.308114] ? eth_header (net/ethernet/eth.c:85) 
[ 5100.308139] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 5100.308170] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 5100.308202] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 5100.308229] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 5100.308255] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 5100.308281] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 5100.308307] process_one_work (kernel/workqueue.c:3254) 
[ 5100.308335] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5100.308368] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 5100.308394] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5100.308427] kthread (kernel/kthread.c:388) 
[ 5100.308453] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5100.308473] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 5100.308499] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5100.308524] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 5116.987487] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 4673019 jiffies s: 6153 root: 0x1/.
| [ 5116.987675] rcu: blocking rcu_node structures (internal RCU debug):
| [ 5116.987724] Sending NMI from CPU 1 to CPUs 0:
| [ 5116.987770] NMI backtrace for cpu 0
[ 5116.987777] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5116.987778] Workqueue: mld mld_ifc_work
[ 5116.987786] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5116.987789] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 5116.987791] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 5116.987792] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 5116.987793] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 5116.987794] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 5116.987795] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 5116.987795] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 5116.987798] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 5116.987799] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5116.987799] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 5116.987800] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5116.987801] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5116.987802] PKRU: 55555554
[ 5116.987803] Call Trace:
[ 5116.987806]  <NMI>
[ 5116.987808] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 5116.987811] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 5116.987817] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 5116.987823] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 5116.987825] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 5116.987827] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 5116.987831] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5116.987832] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5116.987833] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5116.987834]  </NMI>
[ 5116.987835]  <TASK>
[ 5116.987836] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 5116.987839] __dev_queue_xmit (net/core/dev.c:4295) 
[ 5116.987841] ? eth_header (net/ethernet/eth.c:85) 
[ 5116.987844] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 5116.987848] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 5116.987850] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 5116.987854] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 5116.987857] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 5116.987859] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 5116.987861] process_one_work (kernel/workqueue.c:3254) 
[ 5116.987866] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5116.987868] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 5116.987870] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5116.987871] kthread (kernel/kthread.c:388) 
[ 5116.987874] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5116.987876] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 5116.987880] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5116.987881] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 5116.987885]  </TASK>
| [ 5163.309488] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 5163.309659] rcu: 0-....: (4750691 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1100764
| [ 5163.309725] rcu: (t=4746225 jiffies g=53861 q=1581 ncpus=4)
[ 5163.309803] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5163.309871] Workqueue: mld mld_ifc_work
[ 5163.309906] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5163.309941] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 5163.310043] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 5163.310075] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 5163.310117] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 5163.310159] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 5163.310200] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 5163.310242] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 5163.310285] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 5163.310332] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5163.310371] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 5163.310413] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5163.310459] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5163.310501] PKRU: 55555554
[ 5163.310514] Call Trace:
[ 5163.310531]  <IRQ>
[ 5163.310549] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 5163.310585] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 5163.310617] ? notifier_call_chain (kernel/notifier.c:93) 
[ 5163.310651] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 5163.310691] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 5163.310724] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 5163.310758] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 5163.310791] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 5163.310817] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 5163.310850] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 5163.310878] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 5163.310911] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 5163.310944] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 5163.310977]  </IRQ>
[ 5163.310991]  <TASK>
[ 5163.311005] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 5163.311039] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5163.311065] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 5163.311091] __dev_queue_xmit (net/core/dev.c:4295) 
[ 5163.311116] ? eth_header (net/ethernet/eth.c:85) 
[ 5163.311142] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 5163.311169] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 5163.311202] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 5163.311228] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 5163.311255] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 5163.311282] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 5163.311307] process_one_work (kernel/workqueue.c:3254) 
[ 5163.311334] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5163.311366] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 5163.311393] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5163.311426] kthread (kernel/kthread.c:388) 
[ 5163.311453] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5163.311474] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 5163.311500] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5163.311521] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 5182.523483] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 4738555 jiffies s: 6153 root: 0x1/.
| [ 5182.523608] rcu: blocking rcu_node structures (internal RCU debug):
| [ 5182.523657] Sending NMI from CPU 1 to CPUs 0:
| [ 5182.523702] NMI backtrace for cpu 0
[ 5182.523708] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5182.523710] Workqueue: mld mld_ifc_work
[ 5182.523716] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5182.523720] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 5182.523721] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 5182.523722] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 5182.523723] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 5182.523724] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 5182.523725] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 5182.523726] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 5182.523729] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 5182.523730] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5182.523731] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 5182.523732] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5182.523733] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5182.523734] PKRU: 55555554
[ 5182.523734] Call Trace:
[ 5182.523737]  <NMI>
[ 5182.523738] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 5182.523741] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 5182.523747] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 5182.523752] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 5182.523755] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 5182.523756] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 5182.523760] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5182.523761] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5182.523762] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5182.523763]  </NMI>
[ 5182.523763]  <TASK>
[ 5182.523764] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 5182.523768] __dev_queue_xmit (net/core/dev.c:4295) 
[ 5182.523770] ? eth_header (net/ethernet/eth.c:85) 
[ 5182.523773] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 5182.523776] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 5182.523777] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 5182.523782] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 5182.523784] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 5182.523786] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 5182.523789] process_one_work (kernel/workqueue.c:3254) 
[ 5182.523793] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5182.523795] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 5182.523797] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5182.523799] kthread (kernel/kthread.c:388) 
[ 5182.523802] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5182.523803] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 5182.523807] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5182.523808] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 5182.523812]  </TASK>
| [ 5226.312479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 5226.312583] rcu: 0-....: (4813693 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1115900
| [ 5226.312649] rcu: (t=4809228 jiffies g=53861 q=1581 ncpus=4)
[ 5226.312729] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5226.312797] Workqueue: mld mld_ifc_work
[ 5226.312830] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5226.312863] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 5226.312965] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 5226.312997] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 5226.313038] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 5226.313079] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 5226.313120] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 5226.313160] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 5226.313202] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 5226.313248] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5226.313287] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 5226.313330] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5226.313381] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5226.313422] PKRU: 55555554
[ 5226.313435] Call Trace:
[ 5226.313450]  <IRQ>
[ 5226.313470] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 5226.313513] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 5226.313546] ? notifier_call_chain (kernel/notifier.c:93) 
[ 5226.313579] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 5226.313612] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 5226.313645] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 5226.313678] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 5226.313712] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 5226.313737] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 5226.313765] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 5226.313793] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 5226.313827] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 5226.313860] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 5226.313893]  </IRQ>
[ 5226.313906]  <TASK>
[ 5226.313920] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 5226.313954] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5226.313980] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 5226.314007] __dev_queue_xmit (net/core/dev.c:4295) 
[ 5226.314033] ? eth_header (net/ethernet/eth.c:85) 
[ 5226.314059] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 5226.314086] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 5226.314118] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 5226.314149] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 5226.314175] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 5226.314202] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 5226.314228] process_one_work (kernel/workqueue.c:3254) 
[ 5226.314254] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5226.314287] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 5226.314308] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5226.314344] kthread (kernel/kthread.c:388) 
[ 5226.314377] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5226.314401] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 5226.314428] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5226.314454] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 5248.058514] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 4804090 jiffies s: 6153 root: 0x1/.
| [ 5248.058645] rcu: blocking rcu_node structures (internal RCU debug):
| [ 5248.058693] Sending NMI from CPU 1 to CPUs 0:
| [ 5248.058740] NMI backtrace for cpu 0
[ 5248.058747] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5248.058749] Workqueue: mld mld_ifc_work
[ 5248.058756] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5248.058760] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 5248.058761] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 5248.058763] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 5248.058764] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 5248.058764] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 5248.058765] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 5248.058766] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 5248.058769] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 5248.058770] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5248.058771] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 5248.058772] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5248.058772] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5248.058773] PKRU: 55555554
[ 5248.058774] Call Trace:
[ 5248.058776]  <NMI>
[ 5248.058778] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 5248.058782] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 5248.058787] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 5248.058792] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 5248.058794] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 5248.058796] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 5248.058799] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5248.058800] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5248.058802] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5248.058803]  </NMI>
[ 5248.058803]  <TASK>
[ 5248.058803] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 5248.058807] __dev_queue_xmit (net/core/dev.c:4295) 
[ 5248.058808] ? eth_header (net/ethernet/eth.c:85) 
[ 5248.058812] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 5248.058817] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 5248.058819] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 5248.058823] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 5248.058826] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 5248.058828] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 5248.058830] process_one_work (kernel/workqueue.c:3254) 
[ 5248.058835] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5248.058837] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 5248.058838] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5248.058840] kthread (kernel/kthread.c:388) 
[ 5248.058842] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5248.058843] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 5248.058847] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5248.058848] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 5248.058851]  </TASK>
| [ 5289.315479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 5289.315592] rcu: 0-....: (4876695 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1131042
| [ 5289.315656] rcu: (t=4872231 jiffies g=53861 q=1581 ncpus=4)
[ 5289.315738] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5289.315806] Workqueue: mld mld_ifc_work
[ 5289.315844] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5289.315888] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 5289.315988] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 5289.316020] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 5289.316060] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 5289.316101] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 5289.316140] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 5289.316182] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 5289.316224] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 5289.316270] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5289.316309] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 5289.316358] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5289.316407] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5289.316449] PKRU: 55555554
[ 5289.316463] Call Trace:
[ 5289.316480]  <IRQ>
[ 5289.316502] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 5289.316538] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 5289.316570] ? notifier_call_chain (kernel/notifier.c:93) 
[ 5289.316602] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 5289.316633] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 5289.316666] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 5289.316699] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 5289.316732] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 5289.316760] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 5289.316788] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 5289.316821] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 5289.316854] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 5289.316887] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 5289.316920]  </IRQ>
[ 5289.316934]  <TASK>
[ 5289.316948] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 5289.316983] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5289.317009] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 5289.317036] __dev_queue_xmit (net/core/dev.c:4295) 
[ 5289.317062] ? eth_header (net/ethernet/eth.c:85) 
[ 5289.317088] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 5289.317115] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 5289.317148] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 5289.317175] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 5289.317207] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 5289.317233] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 5289.317258] process_one_work (kernel/workqueue.c:3254) 
[ 5289.317286] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5289.317317] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 5289.317345] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5289.317382] kthread (kernel/kthread.c:388) 
[ 5289.317407] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5289.317432] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 5289.317461] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5289.317485] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 5313.595482] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 4869627 jiffies s: 6153 root: 0x1/.
| [ 5313.595607] rcu: blocking rcu_node structures (internal RCU debug):
| [ 5313.595654] Sending NMI from CPU 1 to CPUs 0:
| [ 5313.595699] NMI backtrace for cpu 0
[ 5313.595710] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5313.595712] Workqueue: mld mld_ifc_work
[ 5313.595719] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5313.595723] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 5313.595724] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 5313.595726] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 5313.595727] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 5313.595727] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 5313.595728] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 5313.595729] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 5313.595732] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 5313.595733] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5313.595734] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 5313.595735] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5313.595736] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5313.595737] PKRU: 55555554
[ 5313.595737] Call Trace:
[ 5313.595740]  <NMI>
[ 5313.595742] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 5313.595745] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 5313.595751] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 5313.595757] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 5313.595760] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 5313.595761] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 5313.595766] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5313.595767] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5313.595769] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5313.595770]  </NMI>
[ 5313.595770]  <TASK>
[ 5313.595770] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 5313.595774] __dev_queue_xmit (net/core/dev.c:4295) 
[ 5313.595776] ? eth_header (net/ethernet/eth.c:85) 
[ 5313.595780] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 5313.595784] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 5313.595786] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 5313.595791] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 5313.595793] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 5313.595796] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 5313.595798] process_one_work (kernel/workqueue.c:3254) 
[ 5313.595802] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5313.595804] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 5313.595806] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5313.595807] kthread (kernel/kthread.c:388) 
[ 5313.595809] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5313.595811] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 5313.595815] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5313.595816] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 5313.595821]  </TASK>
| [ 5352.318478] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 5352.318584] rcu: 0-....: (4939697 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1145727
| [ 5352.318644] rcu: (t=4935234 jiffies g=53861 q=1581 ncpus=4)
[ 5352.318719] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5352.318788] Workqueue: mld mld_ifc_work
[ 5352.318820] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5352.318857] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 5352.318958] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 5352.318991] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 5352.319032] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 5352.319073] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 5352.319115] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 5352.319156] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 5352.319198] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 5352.319244] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5352.319283] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 5352.319325] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5352.319378] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5352.319419] PKRU: 55555554
[ 5352.319437] Call Trace:
[ 5352.319453]  <IRQ>
[ 5352.319471] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 5352.319508] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 5352.319539] ? notifier_call_chain (kernel/notifier.c:93) 
[ 5352.319572] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 5352.319605] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 5352.319638] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 5352.319670] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 5352.319706] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 5352.319732] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 5352.319765] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 5352.319793] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 5352.319827] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 5352.319860] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 5352.319893]  </IRQ>
[ 5352.319907]  <TASK>
[ 5352.319921] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 5352.319955] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5352.319981] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 5352.320008] __dev_queue_xmit (net/core/dev.c:4295) 
[ 5352.320033] ? eth_header (net/ethernet/eth.c:85) 
[ 5352.320060] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 5352.320087] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 5352.320119] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 5352.320147] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 5352.320173] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 5352.320200] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 5352.320225] process_one_work (kernel/workqueue.c:3254) 
[ 5352.320252] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5352.320285] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 5352.320311] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5352.320348] kthread (kernel/kthread.c:388) 
[ 5352.320374] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5352.320400] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 5352.320426] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5352.320452] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 5379.130484] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 4935162 jiffies s: 6153 root: 0x1/.
| [ 5379.130619] rcu: blocking rcu_node structures (internal RCU debug):
| [ 5379.130666] Sending NMI from CPU 1 to CPUs 0:
| [ 5379.130711] NMI backtrace for cpu 0
[ 5379.130719] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5379.130721] Workqueue: mld mld_ifc_work
[ 5379.130729] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5379.130733] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 5379.130734] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 5379.130736] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 5379.130737] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 5379.130738] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 5379.130739] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 5379.130740] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 5379.130742] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 5379.130743] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5379.130744] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 5379.130745] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5379.130746] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5379.130747] PKRU: 55555554
[ 5379.130747] Call Trace:
[ 5379.130750]  <NMI>
[ 5379.130753] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 5379.130757] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 5379.130763] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 5379.130767] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 5379.130770] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 5379.130771] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 5379.130776] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5379.130777] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5379.130778] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5379.130779]  </NMI>
[ 5379.130780]  <TASK>
[ 5379.130780] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 5379.130784] __dev_queue_xmit (net/core/dev.c:4295) 
[ 5379.130786] ? eth_header (net/ethernet/eth.c:85) 
[ 5379.130790] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 5379.130795] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 5379.130797] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 5379.130802] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 5379.130805] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 5379.130807] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 5379.130810] process_one_work (kernel/workqueue.c:3254) 
[ 5379.130814] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5379.130816] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 5379.130818] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5379.130820] kthread (kernel/kthread.c:388) 
[ 5379.130823] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5379.130825] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 5379.130829] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5379.130831] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 5379.130836]  </TASK>
| [ 5415.321479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 5415.321587] rcu: 0-....: (5002699 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1159901
| [ 5415.321653] rcu: (t=4998237 jiffies g=53861 q=1581 ncpus=4)
[ 5415.321728] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5415.321795] Workqueue: mld mld_ifc_work
[ 5415.321827] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5415.321860] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 5415.321957] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 5415.321988] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 5415.322032] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 5415.322071] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 5415.322115] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 5415.322160] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 5415.322202] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 5415.322248] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5415.322286] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 5415.322328] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5415.322382] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5415.322422] PKRU: 55555554
[ 5415.322436] Call Trace:
[ 5415.322452]  <IRQ>
[ 5415.322471] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 5415.322508] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 5415.322541] ? notifier_call_chain (kernel/notifier.c:93) 
[ 5415.322574] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 5415.322606] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 5415.322639] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 5415.322672] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 5415.322705] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 5415.322731] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 5415.322759] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 5415.322792] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 5415.322825] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 5415.322858] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 5415.322891]  </IRQ>
[ 5415.322905]  <TASK>
[ 5415.322919] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 5415.322953] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5415.322978] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 5415.323005] __dev_queue_xmit (net/core/dev.c:4295) 
[ 5415.323031] ? eth_header (net/ethernet/eth.c:85) 
[ 5415.323057] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 5415.323096] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 5415.323128] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 5415.323158] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 5415.323184] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 5415.323211] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 5415.323237] process_one_work (kernel/workqueue.c:3254) 
[ 5415.323263] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5415.323295] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 5415.323322] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5415.323362] kthread (kernel/kthread.c:388) 
[ 5415.323389] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5415.323409] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 5415.323435] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5415.323456] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 5444.667485] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 5000699 jiffies s: 6153 root: 0x1/.
| [ 5444.667611] rcu: blocking rcu_node structures (internal RCU debug):
| [ 5444.667658] Sending NMI from CPU 1 to CPUs 0:
| [ 5444.667703] NMI backtrace for cpu 0
[ 5444.667710] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5444.667712] Workqueue: mld mld_ifc_work
[ 5444.667720] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5444.667724] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 5444.667726] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 5444.667727] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 5444.667728] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 5444.667729] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 5444.667730] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 5444.667730] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 5444.667733] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 5444.667734] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5444.667735] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 5444.667736] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5444.667736] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5444.667737] PKRU: 55555554
[ 5444.667738] Call Trace:
[ 5444.667740]  <NMI>
[ 5444.667742] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 5444.667746] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 5444.667752] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 5444.667757] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 5444.667760] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 5444.667761] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 5444.667765] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5444.667767] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5444.667768] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5444.667769]  </NMI>
[ 5444.667769]  <TASK>
[ 5444.667770] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 5444.667774] __dev_queue_xmit (net/core/dev.c:4295) 
[ 5444.667776] ? eth_header (net/ethernet/eth.c:85) 
[ 5444.667780] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 5444.667785] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 5444.667787] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 5444.667792] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 5444.667795] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 5444.667797] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 5444.667799] process_one_work (kernel/workqueue.c:3254) 
[ 5444.667804] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5444.667806] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 5444.667808] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5444.667810] kthread (kernel/kthread.c:388) 
[ 5444.667813] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5444.667814] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 5444.667819] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5444.667820] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 5444.667824]  </TASK>
| [ 5478.324478] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 5478.324573] rcu: 0-....: (5065701 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1174931
| [ 5478.324635] rcu: (t=5061240 jiffies g=53861 q=1581 ncpus=4)
[ 5478.324715] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5478.324783] Workqueue: mld mld_ifc_work
[ 5478.324815] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5478.324849] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 5478.324950] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 5478.324983] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 5478.325034] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 5478.325076] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 5478.325118] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 5478.325160] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 5478.325203] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 5478.325249] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5478.325288] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 5478.325331] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5478.325385] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5478.325426] PKRU: 55555554
[ 5478.325439] Call Trace:
[ 5478.325454]  <IRQ>
[ 5478.325472] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 5478.325510] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 5478.325542] ? notifier_call_chain (kernel/notifier.c:93) 
[ 5478.325575] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 5478.325608] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 5478.325641] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 5478.325672] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 5478.325704] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 5478.325730] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 5478.325761] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 5478.325793] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 5478.325825] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 5478.325857] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 5478.325890]  </IRQ>
[ 5478.325903]  <TASK>
[ 5478.325917] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 5478.325949] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5478.325973] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 5478.325999] __dev_queue_xmit (net/core/dev.c:4295) 
[ 5478.326024] ? eth_header (net/ethernet/eth.c:85) 
[ 5478.326050] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 5478.326077] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 5478.326109] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 5478.326136] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 5478.326162] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 5478.326189] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 5478.326214] process_one_work (kernel/workqueue.c:3254) 
[ 5478.326240] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5478.326270] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 5478.326302] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5478.326345] kthread (kernel/kthread.c:388) 
[ 5478.326378] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5478.326404] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 5478.326430] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5478.326455] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 5510.203487] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 5066235 jiffies s: 6153 root: 0x1/.
| [ 5510.203614] rcu: blocking rcu_node structures (internal RCU debug):
| [ 5510.203660] Sending NMI from CPU 1 to CPUs 0:
| [ 5510.203704] NMI backtrace for cpu 0
[ 5510.203711] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5510.203713] Workqueue: mld mld_ifc_work
[ 5510.203721] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5510.203725] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 5510.203727] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 5510.203728] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 5510.203729] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 5510.203730] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 5510.203731] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 5510.203732] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 5510.203735] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 5510.203736] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5510.203737] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 5510.203738] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5510.203738] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5510.203740] PKRU: 55555554
[ 5510.203740] Call Trace:
[ 5510.203743]  <NMI>
[ 5510.203746] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 5510.203749] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 5510.203755] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 5510.203760] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 5510.203763] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 5510.203764] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 5510.203769] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5510.203770] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5510.203771] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5510.203772]  </NMI>
[ 5510.203773]  <TASK>
[ 5510.203773] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 5510.203778] __dev_queue_xmit (net/core/dev.c:4295) 
[ 5510.203780] ? eth_header (net/ethernet/eth.c:85) 
[ 5510.203784] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 5510.203789] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 5510.203790] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 5510.203795] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 5510.203798] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 5510.203801] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 5510.203803] process_one_work (kernel/workqueue.c:3254) 
[ 5510.203808] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5510.203809] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 5510.203811] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5510.203813] kthread (kernel/kthread.c:388) 
[ 5510.203816] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5510.203818] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 5510.203822] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5510.203824] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 5510.203828]  </TASK>
| [ 5541.327479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 5541.327573] rcu: 0-....: (5128703 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1190113
| [ 5541.327637] rcu: (t=5124243 jiffies g=53861 q=1581 ncpus=4)
[ 5541.327711] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5541.327779] Workqueue: mld mld_ifc_work
[ 5541.327812] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5541.327848] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 5541.327947] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 5541.327978] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 5541.328023] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 5541.328062] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 5541.328103] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 5541.328144] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 5541.328184] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 5541.328228] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5541.328267] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 5541.328309] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5541.328363] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5541.328404] PKRU: 55555554
[ 5541.328418] Call Trace:
[ 5541.328433]  <IRQ>
[ 5541.328453] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 5541.328490] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 5541.328523] ? notifier_call_chain (kernel/notifier.c:93) 
[ 5541.328556] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 5541.328589] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 5541.328623] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 5541.328656] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 5541.328689] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 5541.328716] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 5541.328749] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 5541.328777] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 5541.328810] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 5541.328843] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 5541.328876]  </IRQ>
[ 5541.328890]  <TASK>
[ 5541.328903] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 5541.328937] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5541.328963] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 5541.328990] __dev_queue_xmit (net/core/dev.c:4295) 
[ 5541.329015] ? eth_header (net/ethernet/eth.c:85) 
[ 5541.329041] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 5541.329065] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 5541.329098] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 5541.329125] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 5541.329152] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 5541.329179] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 5541.329204] process_one_work (kernel/workqueue.c:3254) 
[ 5541.329230] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5541.329263] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 5541.329289] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5541.329322] kthread (kernel/kthread.c:388) 
[ 5541.329355] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5541.329382] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 5541.329410] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5541.329436] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 5575.739501] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 5131771 jiffies s: 6153 root: 0x1/.
| [ 5575.739623] rcu: blocking rcu_node structures (internal RCU debug):
| [ 5575.739669] Sending NMI from CPU 1 to CPUs 0:
| [ 5575.739715] NMI backtrace for cpu 0
[ 5575.739722] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5575.739724] Workqueue: mld mld_ifc_work
[ 5575.739731] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5575.739736] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 5575.739737] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 5575.739739] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 5575.739740] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 5575.739741] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 5575.739742] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 5575.739743] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 5575.739745] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 5575.739746] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5575.739747] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 5575.739748] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5575.739749] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5575.739750] PKRU: 55555554
[ 5575.739750] Call Trace:
[ 5575.739752]  <NMI>
[ 5575.739755] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 5575.739759] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 5575.739765] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 5575.739770] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 5575.739773] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 5575.739774] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 5575.739779] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5575.739780] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5575.739781] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5575.739782]  </NMI>
[ 5575.739782]  <TASK>
[ 5575.739783] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 5575.739787] __dev_queue_xmit (net/core/dev.c:4295) 
[ 5575.739789] ? eth_header (net/ethernet/eth.c:85) 
[ 5575.739793] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 5575.739798] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 5575.739799] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 5575.739804] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 5575.739807] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 5575.739810] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 5575.739812] process_one_work (kernel/workqueue.c:3254) 
[ 5575.739817] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5575.739819] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 5575.739821] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5575.739822] kthread (kernel/kthread.c:388) 
[ 5575.739826] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5575.739828] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 5575.739832] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5575.739833] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 5575.739838]  </TASK>
| [ 5604.330479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 5604.330588] rcu: 0-....: (5191705 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1205265
| [ 5604.330652] rcu: (t=5187246 jiffies g=53861 q=1581 ncpus=4)
[ 5604.330743] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5604.330812] Workqueue: mld mld_ifc_work
[ 5604.330844] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5604.330876] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 5604.330979] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 5604.331012] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 5604.331053] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 5604.331093] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 5604.331132] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 5604.331174] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 5604.331217] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 5604.331264] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5604.331303] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 5604.331349] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5604.331392] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5604.331434] PKRU: 55555554
[ 5604.331448] Call Trace:
[ 5604.331464]  <IRQ>
[ 5604.331483] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 5604.331519] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 5604.331552] ? notifier_call_chain (kernel/notifier.c:93) 
[ 5604.331586] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 5604.331619] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 5604.331652] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 5604.331685] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 5604.331721] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 5604.331748] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 5604.331775] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 5604.331803] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 5604.331837] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 5604.331870] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 5604.331904]  </IRQ>
[ 5604.331917]  <TASK>
[ 5604.331931] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 5604.331966] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5604.331991] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 5604.332018] __dev_queue_xmit (net/core/dev.c:4295) 
[ 5604.332044] ? eth_header (net/ethernet/eth.c:85) 
[ 5604.332070] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 5604.332096] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 5604.332129] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 5604.332156] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 5604.332182] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 5604.332209] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 5604.332235] process_one_work (kernel/workqueue.c:3254) 
[ 5604.332262] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5604.332295] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 5604.332321] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5604.332361] kthread (kernel/kthread.c:388) 
[ 5604.332383] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5604.332403] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 5604.332430] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5604.332456] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 5641.274483] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 5197306 jiffies s: 6153 root: 0x1/.
| [ 5641.274606] rcu: blocking rcu_node structures (internal RCU debug):
| [ 5641.274650] Sending NMI from CPU 1 to CPUs 0:
| [ 5641.274695] NMI backtrace for cpu 0
[ 5641.274702] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5641.274704] Workqueue: mld mld_ifc_work
[ 5641.274712] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5641.274716] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 5641.274718] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 5641.274719] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 5641.274720] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 5641.274721] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 5641.274722] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 5641.274723] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 5641.274726] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 5641.274727] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5641.274728] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 5641.274729] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5641.274729] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5641.274730] PKRU: 55555554
[ 5641.274730] Call Trace:
[ 5641.274733]  <NMI>
[ 5641.274736] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 5641.274739] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 5641.274745] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 5641.274750] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 5641.274753] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 5641.274754] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 5641.274759] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5641.274760] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5641.274762] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5641.274763]  </NMI>
[ 5641.274763]  <TASK>
[ 5641.274764] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 5641.274768] __dev_queue_xmit (net/core/dev.c:4295) 
[ 5641.274770] ? eth_header (net/ethernet/eth.c:85) 
[ 5641.274774] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 5641.274780] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 5641.274781] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 5641.274785] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 5641.274788] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 5641.274790] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 5641.274792] process_one_work (kernel/workqueue.c:3254) 
[ 5641.274796] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5641.274798] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 5641.274799] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5641.274801] kthread (kernel/kthread.c:388) 
[ 5641.274804] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5641.274805] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 5641.274810] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5641.274812] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 5641.274816]  </TASK>
| [ 5667.333489] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 5667.333597] rcu: 0-....: (5254707 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1219724
| [ 5667.333662] rcu: (t=5250249 jiffies g=53861 q=1581 ncpus=4)
[ 5667.333750] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5667.333818] Workqueue: mld mld_ifc_work
[ 5667.333850] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5667.333888] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 5667.333988] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 5667.334020] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 5667.334061] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 5667.334103] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 5667.334144] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 5667.334186] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 5667.334229] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 5667.334275] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5667.334314] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 5667.334365] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5667.334412] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5667.334453] PKRU: 55555554
[ 5667.334467] Call Trace:
[ 5667.334487]  <IRQ>
[ 5667.334510] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 5667.334546] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 5667.334579] ? notifier_call_chain (kernel/notifier.c:93) 
[ 5667.334612] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 5667.334645] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 5667.334679] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 5667.334712] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 5667.334745] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 5667.334771] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 5667.334799] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 5667.334827] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 5667.334859] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 5667.334891] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 5667.334925]  </IRQ>
[ 5667.334938]  <TASK>
[ 5667.334952] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 5667.334986] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5667.335012] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 5667.335038] __dev_queue_xmit (net/core/dev.c:4295) 
[ 5667.335064] ? eth_header (net/ethernet/eth.c:85) 
[ 5667.335091] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 5667.335125] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 5667.335158] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 5667.335185] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 5667.335211] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 5667.335237] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 5667.335263] process_one_work (kernel/workqueue.c:3254) 
[ 5667.335295] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5667.335328] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 5667.335359] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5667.335393] kthread (kernel/kthread.c:388) 
[ 5667.335427] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5667.335453] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 5667.335479] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5667.335505] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 5706.810487] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 5262842 jiffies s: 6153 root: 0x1/.
| [ 5706.810618] rcu: blocking rcu_node structures (internal RCU debug):
| [ 5706.810667] Sending NMI from CPU 1 to CPUs 0:
| [ 5706.810719] NMI backtrace for cpu 0
[ 5706.810728] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5706.810730] Workqueue: mld mld_ifc_work
[ 5706.810738] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5706.810742] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 5706.810744] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 5706.810745] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 5706.810746] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 5706.810747] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 5706.810748] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 5706.810749] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 5706.810752] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 5706.810753] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5706.810754] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 5706.810755] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5706.810756] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5706.810756] PKRU: 55555554
[ 5706.810757] Call Trace:
[ 5706.810760]  <NMI>
[ 5706.810762] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 5706.810767] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 5706.810772] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 5706.810778] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 5706.810781] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 5706.810782] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 5706.810786] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5706.810787] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5706.810788] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5706.810789]  </NMI>
[ 5706.810790]  <TASK>
[ 5706.810790] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 5706.810795] __dev_queue_xmit (net/core/dev.c:4295) 
[ 5706.810797] ? eth_header (net/ethernet/eth.c:85) 
[ 5706.810801] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 5706.810805] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 5706.810807] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 5706.810812] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 5706.810814] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 5706.810817] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 5706.810819] process_one_work (kernel/workqueue.c:3254) 
[ 5706.810823] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5706.810824] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 5706.810826] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5706.810828] kthread (kernel/kthread.c:388) 
[ 5706.810830] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5706.810831] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 5706.810836] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5706.810837] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 5706.810841]  </TASK>
| [ 5730.336479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 5730.336577] rcu: 0-....: (5317709 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1234669
| [ 5730.336642] rcu: (t=5313252 jiffies g=53861 q=1581 ncpus=4)
[ 5730.336724] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5730.336796] Workqueue: mld mld_ifc_work
[ 5730.336829] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5730.336862] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 5730.336963] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 5730.336997] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 5730.337039] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 5730.337080] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 5730.337122] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 5730.337164] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 5730.337207] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 5730.337254] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5730.337293] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 5730.337336] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5730.337398] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5730.337439] PKRU: 55555554
[ 5730.337453] Call Trace:
[ 5730.337469]  <IRQ>
[ 5730.337488] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 5730.337525] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 5730.337558] ? notifier_call_chain (kernel/notifier.c:93) 
[ 5730.337591] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 5730.337624] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 5730.337657] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 5730.337691] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 5730.337724] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 5730.337750] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 5730.337778] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 5730.337805] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 5730.337838] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 5730.337871] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 5730.337905]  </IRQ>
[ 5730.337918]  <TASK>
[ 5730.337933] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 5730.337967] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5730.337993] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 5730.338020] __dev_queue_xmit (net/core/dev.c:4295) 
[ 5730.338046] ? eth_header (net/ethernet/eth.c:85) 
[ 5730.338072] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 5730.338099] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 5730.338131] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 5730.338161] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 5730.338187] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 5730.338215] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 5730.338240] process_one_work (kernel/workqueue.c:3254) 
[ 5730.338266] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5730.338300] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 5730.338326] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5730.338367] kthread (kernel/kthread.c:388) 
[ 5730.338394] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5730.338415] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 5730.338441] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5730.338462] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 5772.347483] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 5328379 jiffies s: 6153 root: 0x1/.
| [ 5772.347607] rcu: blocking rcu_node structures (internal RCU debug):
| [ 5772.347657] Sending NMI from CPU 1 to CPUs 0:
| [ 5772.347704] NMI backtrace for cpu 0
[ 5772.347711] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5772.347712] Workqueue: mld mld_ifc_work
[ 5772.347720] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5772.347724] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 5772.347726] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 5772.347727] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 5772.347728] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 5772.347729] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 5772.347730] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 5772.347731] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 5772.347733] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 5772.347734] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5772.347735] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 5772.347736] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5772.347737] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5772.347738] PKRU: 55555554
[ 5772.347738] Call Trace:
[ 5772.347740]  <NMI>
[ 5772.347743] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 5772.347746] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 5772.347752] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 5772.347757] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 5772.347760] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 5772.347761] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 5772.347765] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5772.347767] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5772.347768] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5772.347769]  </NMI>
[ 5772.347769]  <TASK>
[ 5772.347770] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 5772.347774] __dev_queue_xmit (net/core/dev.c:4295) 
[ 5772.347776] ? eth_header (net/ethernet/eth.c:85) 
[ 5772.347780] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 5772.347785] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 5772.347787] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 5772.347792] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 5772.347795] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 5772.347797] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 5772.347800] process_one_work (kernel/workqueue.c:3254) 
[ 5772.347805] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5772.347807] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 5772.347809] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5772.347811] kthread (kernel/kthread.c:388) 
[ 5772.347813] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5772.347815] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 5772.347819] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5772.347821] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 5772.347825]  </TASK>
| [ 5793.339479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 5793.339574] rcu: 0-....: (5380711 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1249646
| [ 5793.339632] rcu: (t=5376255 jiffies g=53861 q=1581 ncpus=4)
[ 5793.339713] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5793.339782] Workqueue: mld mld_ifc_work
[ 5793.339814] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5793.339847] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 5793.339949] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 5793.339982] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 5793.340023] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 5793.340065] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 5793.340107] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 5793.340148] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 5793.340191] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 5793.340238] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5793.340277] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 5793.340320] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5793.340374] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5793.340415] PKRU: 55555554
[ 5793.340429] Call Trace:
[ 5793.340445]  <IRQ>
[ 5793.340464] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 5793.340500] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 5793.340533] ? notifier_call_chain (kernel/notifier.c:93) 
[ 5793.340566] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 5793.340599] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 5793.340631] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 5793.340663] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 5793.340697] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 5793.340722] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 5793.340754] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 5793.340786] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 5793.340818] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 5793.340849] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 5793.340881]  </IRQ>
[ 5793.340894]  <TASK>
[ 5793.340907] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 5793.340939] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5793.340964] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 5793.340989] __dev_queue_xmit (net/core/dev.c:4295) 
[ 5793.341014] ? eth_header (net/ethernet/eth.c:85) 
[ 5793.341039] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 5793.341066] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 5793.341098] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 5793.341125] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 5793.341152] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 5793.341178] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 5793.341204] process_one_work (kernel/workqueue.c:3254) 
[ 5793.341230] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5793.341262] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 5793.341289] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5793.341322] kthread (kernel/kthread.c:388) 
[ 5793.341354] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5793.341377] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 5793.341404] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5793.341424] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 5837.883483] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 5393915 jiffies s: 6153 root: 0x1/.
| [ 5837.883616] rcu: blocking rcu_node structures (internal RCU debug):
| [ 5837.883663] Sending NMI from CPU 1 to CPUs 0:
| [ 5837.883710] NMI backtrace for cpu 0
[ 5837.883722] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5837.883725] Workqueue: mld mld_ifc_work
[ 5837.883737] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5837.883741] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 5837.883743] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 5837.883744] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 5837.883745] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 5837.883746] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 5837.883747] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 5837.883748] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 5837.883750] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 5837.883751] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5837.883752] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 5837.883753] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5837.883754] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5837.883755] PKRU: 55555554
[ 5837.883756] Call Trace:
[ 5837.883760]  <NMI>
[ 5837.883767] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 5837.883772] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 5837.883778] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 5837.883783] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 5837.883785] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 5837.883787] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 5837.883791] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5837.883793] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5837.883794] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5837.883795]  </NMI>
[ 5837.883796]  <TASK>
[ 5837.883796] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 5837.883800] __dev_queue_xmit (net/core/dev.c:4295) 
[ 5837.883802] ? eth_header (net/ethernet/eth.c:85) 
[ 5837.883806] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 5837.883811] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 5837.883813] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 5837.883818] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 5837.883820] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 5837.883823] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 5837.883825] process_one_work (kernel/workqueue.c:3254) 
[ 5837.883830] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5837.883832] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 5837.883834] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5837.883836] kthread (kernel/kthread.c:388) 
[ 5837.883839] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5837.883840] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 5837.883845] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5837.883846] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 5837.883852]  </TASK>
| [ 5856.342479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 5856.342573] rcu: 0-....: (5443714 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1264646
| [ 5856.342637] rcu: (t=5439258 jiffies g=53861 q=1581 ncpus=4)
[ 5856.342710] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5856.342778] Workqueue: mld mld_ifc_work
[ 5856.342810] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5856.342843] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 5856.342947] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 5856.342979] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 5856.343021] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 5856.343062] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 5856.343104] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 5856.343146] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 5856.343189] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 5856.343235] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5856.343274] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 5856.343317] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5856.343372] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5856.343414] PKRU: 55555554
[ 5856.343427] Call Trace:
[ 5856.343443]  <IRQ>
[ 5856.343463] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 5856.343500] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 5856.343534] ? notifier_call_chain (kernel/notifier.c:93) 
[ 5856.343567] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 5856.343600] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 5856.343634] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 5856.343666] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 5856.343698] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 5856.343722] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 5856.343755] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 5856.343783] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 5856.343816] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 5856.343849] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 5856.343882]  </IRQ>
[ 5856.343896]  <TASK>
[ 5856.343910] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 5856.343943] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5856.343969] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 5856.343995] __dev_queue_xmit (net/core/dev.c:4295) 
[ 5856.344020] ? eth_header (net/ethernet/eth.c:85) 
[ 5856.344046] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 5856.344071] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 5856.344103] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 5856.344130] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 5856.344156] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 5856.344183] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 5856.344209] process_one_work (kernel/workqueue.c:3254) 
[ 5856.344234] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5856.344267] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 5856.344294] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5856.344326] kthread (kernel/kthread.c:388) 
[ 5856.344357] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5856.344385] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 5856.344410] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5856.344434] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 5903.419499] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 5459451 jiffies s: 6153 root: 0x1/.
| [ 5903.419634] rcu: blocking rcu_node structures (internal RCU debug):
| [ 5903.419681] Sending NMI from CPU 1 to CPUs 0:
| [ 5903.419726] NMI backtrace for cpu 0
[ 5903.419733] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5903.419735] Workqueue: mld mld_ifc_work
[ 5903.419743] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5903.419746] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 5903.419748] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 5903.419749] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 5903.419750] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 5903.419751] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 5903.419751] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 5903.419752] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 5903.419755] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 5903.419756] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5903.419757] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 5903.419758] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5903.419758] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5903.419760] PKRU: 55555554
[ 5903.419760] Call Trace:
[ 5903.419763]  <NMI>
[ 5903.419765] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 5903.419769] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 5903.419774] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 5903.419779] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 5903.419782] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 5903.419783] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 5903.419788] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5903.419790] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5903.419791] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5903.419792]  </NMI>
[ 5903.419793]  <TASK>
[ 5903.419793] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 5903.419798] __dev_queue_xmit (net/core/dev.c:4295) 
[ 5903.419800] ? eth_header (net/ethernet/eth.c:85) 
[ 5903.419804] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 5903.419810] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 5903.419811] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 5903.419815] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 5903.419818] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 5903.419820] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 5903.419822] process_one_work (kernel/workqueue.c:3254) 
[ 5903.419826] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5903.419828] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 5903.419830] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5903.419832] kthread (kernel/kthread.c:388) 
[ 5903.419835] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5903.419837] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 5903.419841] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5903.419842] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 5903.419848]  </TASK>
| [ 5919.345478] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 5919.345569] rcu: 0-....: (5506716 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1279796
| [ 5919.345635] rcu: (t=5502261 jiffies g=53861 q=1581 ncpus=4)
[ 5919.345710] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5919.345773] Workqueue: mld mld_ifc_work
[ 5919.345805] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5919.345838] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 5919.345939] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 5919.345972] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 5919.346012] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 5919.346054] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 5919.346094] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 5919.346136] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 5919.346177] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 5919.346223] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5919.346261] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 5919.346301] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5919.346347] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5919.346402] PKRU: 55555554
[ 5919.346415] Call Trace:
[ 5919.346430]  <IRQ>
[ 5919.346449] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 5919.346484] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 5919.346516] ? notifier_call_chain (kernel/notifier.c:93) 
[ 5919.346547] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 5919.346578] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 5919.346609] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 5919.346641] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 5919.346672] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 5919.346697] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 5919.346728] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 5919.346760] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 5919.346791] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 5919.346822] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 5919.346853]  </IRQ>
[ 5919.346866]  <TASK>
[ 5919.346880] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 5919.346912] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5919.346936] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 5919.346961] __dev_queue_xmit (net/core/dev.c:4295) 
[ 5919.346987] ? eth_header (net/ethernet/eth.c:85) 
[ 5919.347013] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 5919.347040] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 5919.347072] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 5919.347099] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 5919.347125] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 5919.347151] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 5919.347187] process_one_work (kernel/workqueue.c:3254) 
[ 5919.347213] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5919.347246] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 5919.347272] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5919.347305] kthread (kernel/kthread.c:388) 
[ 5919.347330] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5919.347362] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 5919.347389] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5919.347416] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 5968.954484] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 5524986 jiffies s: 6153 root: 0x1/.
| [ 5968.954622] rcu: blocking rcu_node structures (internal RCU debug):
| [ 5968.954670] Sending NMI from CPU 1 to CPUs 0:
| [ 5968.954714] NMI backtrace for cpu 0
[ 5968.954722] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5968.954724] Workqueue: mld mld_ifc_work
[ 5968.954732] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5968.954736] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 5968.954738] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 5968.954739] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 5968.954740] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 5968.954741] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 5968.954742] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 5968.954743] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 5968.954746] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 5968.954747] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5968.954748] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 5968.954749] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5968.954749] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5968.954750] PKRU: 55555554
[ 5968.954751] Call Trace:
[ 5968.954753]  <NMI>
[ 5968.954756] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 5968.954759] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 5968.954765] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 5968.954770] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 5968.954773] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 5968.954774] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 5968.954778] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5968.954780] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5968.954781] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5968.954783]  </NMI>
[ 5968.954783]  <TASK>
[ 5968.954784] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 5968.954788] __dev_queue_xmit (net/core/dev.c:4295) 
[ 5968.954790] ? eth_header (net/ethernet/eth.c:85) 
[ 5968.954794] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 5968.954799] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 5968.954801] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 5968.954806] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 5968.954808] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 5968.954811] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 5968.954813] process_one_work (kernel/workqueue.c:3254) 
[ 5968.954817] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5968.954819] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 5968.954821] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5968.954823] kthread (kernel/kthread.c:388) 
[ 5968.954827] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5968.954828] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 5968.954833] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5968.954834] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 5968.954839]  </TASK>
| [ 5982.348478] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 5982.348569] rcu: 0-....: (5569719 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1294729
| [ 5982.348634] rcu: (t=5565264 jiffies g=53861 q=1581 ncpus=4)
[ 5982.348714] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 5982.348777] Workqueue: mld mld_ifc_work
[ 5982.348809] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5982.348842] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 5982.348939] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 5982.348972] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 5982.349013] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 5982.349055] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 5982.349096] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 5982.349138] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 5982.349181] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 5982.349227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 5982.349266] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 5982.349307] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 5982.349356] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 5982.349400] PKRU: 55555554
[ 5982.349414] Call Trace:
[ 5982.349429]  <IRQ>
[ 5982.349448] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 5982.349483] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 5982.349516] ? notifier_call_chain (kernel/notifier.c:93) 
[ 5982.349548] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 5982.349580] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 5982.349612] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 5982.349644] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 5982.349677] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 5982.349704] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 5982.349732] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 5982.349760] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 5982.349788] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 5982.349821] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 5982.349854]  </IRQ>
[ 5982.349867]  <TASK>
[ 5982.349881] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 5982.349915] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 5982.349942] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 5982.349968] __dev_queue_xmit (net/core/dev.c:4295) 
[ 5982.349994] ? eth_header (net/ethernet/eth.c:85) 
[ 5982.350020] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 5982.350047] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 5982.350079] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 5982.350106] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 5982.350132] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 5982.350159] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 5982.350185] process_one_work (kernel/workqueue.c:3254) 
[ 5982.350211] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5982.350243] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 5982.350268] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 5982.350300] kthread (kernel/kthread.c:388) 
[ 5982.350326] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5982.350353] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 5982.350389] ? __pfx_kthread (kernel/kthread.c:341) 
[ 5982.350414] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 6034.491486] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 5590523 jiffies s: 6153 root: 0x1/.
| [ 6034.491678] rcu: blocking rcu_node structures (internal RCU debug):
| [ 6034.491724] Sending NMI from CPU 1 to CPUs 0:
| [ 6034.491769] NMI backtrace for cpu 0
[ 6034.491775] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6034.491777] Workqueue: mld mld_ifc_work
[ 6034.491785] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6034.491789] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 6034.491790] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 6034.491792] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 6034.491793] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 6034.491794] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 6034.491795] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 6034.491796] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 6034.491798] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 6034.491800] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6034.491801] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 6034.491802] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6034.491802] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6034.491803] PKRU: 55555554
[ 6034.491804] Call Trace:
[ 6034.491806]  <NMI>
[ 6034.491809] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 6034.491812] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 6034.491818] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 6034.491823] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 6034.491826] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 6034.491828] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 6034.491832] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6034.491833] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6034.491834] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6034.491835]  </NMI>
[ 6034.491836]  <TASK>
[ 6034.491836] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 6034.491841] __dev_queue_xmit (net/core/dev.c:4295) 
[ 6034.491843] ? eth_header (net/ethernet/eth.c:85) 
[ 6034.491847] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 6034.491852] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 6034.491854] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 6034.491859] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 6034.491862] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 6034.491865] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 6034.491867] process_one_work (kernel/workqueue.c:3254) 
[ 6034.491872] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6034.491874] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 6034.491876] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6034.491878] kthread (kernel/kthread.c:388) 
[ 6034.491881] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6034.491882] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 6034.491887] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6034.491888] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 6034.491893]  </TASK>
| [ 6045.351479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 6045.351576] rcu: 0-....: (5632722 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1309557
| [ 6045.351639] rcu: (t=5628267 jiffies g=53861 q=1581 ncpus=4)
[ 6045.351717] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6045.351796] Workqueue: mld mld_ifc_work
[ 6045.351828] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6045.351861] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 6045.351963] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 6045.351997] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 6045.352039] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 6045.352081] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 6045.352122] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 6045.352163] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 6045.352207] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 6045.352253] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6045.352292] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 6045.352334] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6045.352388] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6045.352430] PKRU: 55555554
[ 6045.352444] Call Trace:
[ 6045.352459]  <IRQ>
[ 6045.352479] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 6045.352515] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 6045.352548] ? notifier_call_chain (kernel/notifier.c:93) 
[ 6045.352581] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 6045.352615] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 6045.352648] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 6045.352682] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 6045.352714] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 6045.352739] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 6045.352773] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 6045.352806] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 6045.352839] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 6045.352873] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 6045.352906]  </IRQ>
[ 6045.352920]  <TASK>
[ 6045.352934] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 6045.352968] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6045.352993] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 6045.353020] __dev_queue_xmit (net/core/dev.c:4295) 
[ 6045.353045] ? eth_header (net/ethernet/eth.c:85) 
[ 6045.353071] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 6045.353096] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 6045.353128] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 6045.353155] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 6045.353181] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 6045.353208] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 6045.353234] process_one_work (kernel/workqueue.c:3254) 
[ 6045.353260] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6045.353293] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 6045.353319] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6045.353359] kthread (kernel/kthread.c:388) 
[ 6045.353389] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6045.353410] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 6045.353437] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6045.353457] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 6100.027484] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 5656059 jiffies s: 6153 root: 0x1/.
| [ 6100.027615] rcu: blocking rcu_node structures (internal RCU debug):
| [ 6100.027662] Sending NMI from CPU 1 to CPUs 0:
| [ 6100.027706] NMI backtrace for cpu 0
[ 6100.027714] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6100.027716] Workqueue: mld mld_ifc_work
[ 6100.027725] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6100.027729] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 6100.027730] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 6100.027732] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 6100.027733] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 6100.027734] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 6100.027735] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 6100.027736] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 6100.027739] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 6100.027740] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6100.027741] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 6100.027742] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6100.027743] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6100.027744] PKRU: 55555554
[ 6100.027744] Call Trace:
[ 6100.027747]  <NMI>
[ 6100.027749] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 6100.027753] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 6100.027759] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 6100.027763] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 6100.027767] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 6100.027768] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 6100.027773] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6100.027774] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6100.027775] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6100.027776]  </NMI>
[ 6100.027776]  <TASK>
[ 6100.027777] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 6100.027782] __dev_queue_xmit (net/core/dev.c:4295) 
[ 6100.027784] ? eth_header (net/ethernet/eth.c:85) 
[ 6100.027789] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 6100.027794] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 6100.027796] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 6100.027801] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 6100.027803] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 6100.027807] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 6100.027809] process_one_work (kernel/workqueue.c:3254) 
[ 6100.027814] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6100.027816] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 6100.027818] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6100.027820] kthread (kernel/kthread.c:388) 
[ 6100.027823] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6100.027824] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 6100.027829] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6100.027830] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 6100.027835]  </TASK>
| [ 6108.354479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 6108.354580] rcu: 0-....: (5695724 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1324500
| [ 6108.354644] rcu: (t=5691270 jiffies g=53861 q=1581 ncpus=4)
[ 6108.354724] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6108.354787] Workqueue: mld mld_ifc_work
[ 6108.354818] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6108.354854] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 6108.354955] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 6108.354988] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 6108.355029] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 6108.355070] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 6108.355110] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 6108.355152] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 6108.355194] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 6108.355241] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6108.355280] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 6108.355322] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6108.355383] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6108.355427] PKRU: 55555554
[ 6108.355440] Call Trace:
[ 6108.355456]  <IRQ>
[ 6108.355476] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 6108.355515] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 6108.355548] ? notifier_call_chain (kernel/notifier.c:93) 
[ 6108.355581] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 6108.355614] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 6108.355646] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 6108.355680] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 6108.355712] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 6108.355738] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 6108.355766] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 6108.355793] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 6108.355826] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 6108.355859] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 6108.355892]  </IRQ>
[ 6108.355906]  <TASK>
[ 6108.355920] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 6108.355954] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6108.355979] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 6108.356006] __dev_queue_xmit (net/core/dev.c:4295) 
[ 6108.356031] ? eth_header (net/ethernet/eth.c:85) 
[ 6108.356058] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 6108.356083] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 6108.356116] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 6108.356143] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 6108.356169] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 6108.356196] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 6108.356221] process_one_work (kernel/workqueue.c:3254) 
[ 6108.356247] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6108.356280] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 6108.356306] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6108.356339] kthread (kernel/kthread.c:388) 
[ 6108.356369] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6108.356395] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 6108.356426] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6108.356446] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 6165.562499] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 5721594 jiffies s: 6153 root: 0x1/.
| [ 6165.562625] rcu: blocking rcu_node structures (internal RCU debug):
| [ 6165.562671] Sending NMI from CPU 1 to CPUs 0:
| [ 6165.562717] NMI backtrace for cpu 0
[ 6165.562726] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6165.562728] Workqueue: mld mld_ifc_work
[ 6165.562735] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6165.562740] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 6165.562741] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 6165.562743] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 6165.562744] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 6165.562745] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 6165.562746] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 6165.562747] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 6165.562750] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 6165.562751] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6165.562752] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 6165.562753] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6165.562753] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6165.562755] PKRU: 55555554
[ 6165.562755] Call Trace:
[ 6165.562758]  <NMI>
[ 6165.562761] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 6165.562765] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 6165.562771] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 6165.562776] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 6165.562780] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 6165.562781] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 6165.562786] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6165.562787] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6165.562788] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6165.562789]  </NMI>
[ 6165.562789]  <TASK>
[ 6165.562790] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 6165.562794] __dev_queue_xmit (net/core/dev.c:4295) 
[ 6165.562796] ? eth_header (net/ethernet/eth.c:85) 
[ 6165.562800] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 6165.562805] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 6165.562807] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 6165.562812] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 6165.562815] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 6165.562818] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 6165.562820] process_one_work (kernel/workqueue.c:3254) 
[ 6165.562826] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6165.562827] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 6165.562830] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6165.562831] kthread (kernel/kthread.c:388) 
[ 6165.562834] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6165.562836] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 6165.562840] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6165.562842] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 6165.562847]  </TASK>
| [ 6171.357479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 6171.357569] rcu: 0-....: (5758726 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1339311
| [ 6171.357631] rcu: (t=5754273 jiffies g=53861 q=1581 ncpus=4)
[ 6171.357711] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6171.357772] Workqueue: mld mld_ifc_work
[ 6171.357801] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6171.357834] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 6171.357935] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 6171.357968] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 6171.358009] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 6171.358050] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 6171.358092] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 6171.358133] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 6171.358174] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 6171.358221] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6171.358260] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 6171.358302] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6171.358353] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6171.358405] PKRU: 55555554
[ 6171.358418] Call Trace:
[ 6171.358433]  <IRQ>
[ 6171.358454] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 6171.358489] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 6171.358522] ? notifier_call_chain (kernel/notifier.c:93) 
[ 6171.358556] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 6171.358589] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 6171.358622] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 6171.358655] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 6171.358688] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 6171.358713] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 6171.358745] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 6171.358778] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 6171.358807] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 6171.358840] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 6171.358873]  </IRQ>
[ 6171.358887]  <TASK>
[ 6171.358901] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 6171.358936] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6171.358961] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 6171.358988] __dev_queue_xmit (net/core/dev.c:4295) 
[ 6171.359014] ? eth_header (net/ethernet/eth.c:85) 
[ 6171.359041] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 6171.359067] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 6171.359100] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 6171.359128] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 6171.359154] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 6171.359181] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 6171.359208] process_one_work (kernel/workqueue.c:3254) 
[ 6171.359234] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6171.359266] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 6171.359293] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6171.359326] kthread (kernel/kthread.c:388) 
[ 6171.359356] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6171.359379] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 6171.359405] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6171.359425] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 6231.099529] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 5787131 jiffies s: 6153 root: 0x1/.
| [ 6231.099667] rcu: blocking rcu_node structures (internal RCU debug):
| [ 6231.099716] Sending NMI from CPU 1 to CPUs 0:
| [ 6231.099771] NMI backtrace for cpu 0
[ 6231.099781] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6231.099784] Workqueue: mld mld_ifc_work
[ 6231.099792] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6231.099797] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 6231.099799] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 6231.099801] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 6231.099802] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 6231.099802] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 6231.099804] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 6231.099804] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 6231.099807] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 6231.099808] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6231.099809] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 6231.099810] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6231.099811] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6231.099812] PKRU: 55555554
[ 6231.099812] Call Trace:
[ 6231.099818]  <NMI>
[ 6231.099824] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 6231.099828] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 6231.099833] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 6231.099838] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 6231.099841] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 6231.099842] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 6231.099847] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6231.099848] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6231.099849] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6231.099850]  </NMI>
[ 6231.099851]  <TASK>
[ 6231.099851] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 6231.099856] __dev_queue_xmit (net/core/dev.c:4295) 
[ 6231.099858] ? eth_header (net/ethernet/eth.c:85) 
[ 6231.099862] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 6231.099867] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 6231.099869] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 6231.099874] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 6231.099877] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 6231.099879] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 6231.099881] process_one_work (kernel/workqueue.c:3254) 
[ 6231.099886] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6231.099888] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 6231.099890] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6231.099892] kthread (kernel/kthread.c:388) 
[ 6231.099895] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6231.099897] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 6231.099901] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6231.099903] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 6231.099908]  </TASK>
| [ 6234.360478] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 6234.360558] rcu: 0-....: (5821729 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1353340
| [ 6234.360619] rcu: (t=5817276 jiffies g=53861 q=1581 ncpus=4)
[ 6234.360692] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6234.360755] Workqueue: mld mld_ifc_work
[ 6234.360781] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6234.360814] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 6234.360916] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 6234.360943] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 6234.360984] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 6234.361026] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 6234.361067] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 6234.361108] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 6234.361151] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 6234.361208] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6234.361247] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 6234.361290] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6234.361336] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6234.361385] PKRU: 55555554
[ 6234.361399] Call Trace:
[ 6234.361414]  <IRQ>
[ 6234.361428] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 6234.361465] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 6234.361498] ? notifier_call_chain (kernel/notifier.c:93) 
[ 6234.361532] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 6234.361566] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 6234.361599] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 6234.361632] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 6234.361666] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 6234.361692] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 6234.361720] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 6234.361748] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 6234.361781] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 6234.361814] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 6234.361847]  </IRQ>
[ 6234.361860]  <TASK>
[ 6234.361874] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 6234.361908] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6234.361934] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 6234.361960] __dev_queue_xmit (net/core/dev.c:4295) 
[ 6234.361986] ? eth_header (net/ethernet/eth.c:85) 
[ 6234.362012] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 6234.362039] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 6234.362071] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 6234.362098] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 6234.362124] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 6234.362151] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 6234.362177] process_one_work (kernel/workqueue.c:3254) 
[ 6234.362203] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6234.362236] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 6234.362262] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6234.362295] kthread (kernel/kthread.c:388) 
[ 6234.362321] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6234.362344] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 6234.362378] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6234.362402] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 6296.635499] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 5852667 jiffies s: 6153 root: 0x1/.
| [ 6296.635696] rcu: blocking rcu_node structures (internal RCU debug):
| [ 6296.635742] Sending NMI from CPU 1 to CPUs 0:
| [ 6296.635792] NMI backtrace for cpu 0
[ 6296.635802] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6296.635804] Workqueue: mld mld_ifc_work
[ 6296.635813] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6296.635818] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 6296.635819] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 6296.635821] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 6296.635822] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 6296.635823] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 6296.635824] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 6296.635825] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 6296.635827] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 6296.635829] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6296.635830] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 6296.635831] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6296.635832] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6296.635832] PKRU: 55555554
[ 6296.635833] Call Trace:
[ 6296.635836]  <NMI>
[ 6296.635838] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 6296.635842] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 6296.635848] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 6296.635853] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 6296.635856] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 6296.635857] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 6296.635862] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6296.635863] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6296.635864] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6296.635865]  </NMI>
[ 6296.635865]  <TASK>
[ 6296.635866] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 6296.635871] __dev_queue_xmit (net/core/dev.c:4295) 
[ 6296.635872] ? eth_header (net/ethernet/eth.c:85) 
[ 6296.635877] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 6296.635882] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 6296.635884] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 6296.635888] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 6296.635891] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 6296.635894] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 6296.635896] process_one_work (kernel/workqueue.c:3254) 
[ 6296.635899] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6296.635901] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 6296.635903] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6296.635904] kthread (kernel/kthread.c:388) 
[ 6296.635907] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6296.635908] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 6296.635913] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6296.635914] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 6296.635919]  </TASK>
| [ 6297.363478] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 6297.363544] rcu: 0-....: (5884732 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1367537
| [ 6297.363603] rcu: (t=5880279 jiffies g=53861 q=1581 ncpus=4)
[ 6297.363683] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6297.363745] Workqueue: mld mld_ifc_work
[ 6297.363772] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6297.363805] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 6297.363907] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 6297.363939] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 6297.363978] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 6297.364020] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 6297.364061] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 6297.364102] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 6297.364145] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 6297.364191] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6297.364229] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 6297.364271] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6297.364317] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6297.364369] PKRU: 55555554
[ 6297.364383] Call Trace:
[ 6297.364396]  <IRQ>
[ 6297.364415] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 6297.364446] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 6297.364477] ? notifier_call_chain (kernel/notifier.c:93) 
[ 6297.364509] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 6297.364541] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 6297.364572] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 6297.364604] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 6297.364636] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 6297.364661] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 6297.364692] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 6297.364719] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 6297.364750] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 6297.364782] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 6297.364815]  </IRQ>
[ 6297.364828]  <TASK>
[ 6297.364842] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 6297.364875] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6297.364896] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 6297.364921] __dev_queue_xmit (net/core/dev.c:4295) 
[ 6297.364946] ? eth_header (net/ethernet/eth.c:85) 
[ 6297.364971] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 6297.364996] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 6297.365028] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 6297.365054] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 6297.365078] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 6297.365103] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 6297.365128] process_one_work (kernel/workqueue.c:3254) 
[ 6297.365153] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6297.365184] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 6297.365209] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6297.365240] kthread (kernel/kthread.c:388) 
[ 6297.365265] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6297.365286] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 6297.365312] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6297.365332] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 6297.365364]  </TASK>
| [ 6360.366479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 6360.366576] rcu: 0-....: (5947735 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1382263
| [ 6360.366637] rcu: (t=5943282 jiffies g=53861 q=1581 ncpus=4)
[ 6360.366719] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6360.366788] Workqueue: mld mld_ifc_work
[ 6360.366822] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6360.366855] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 6360.366959] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 6360.366992] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 6360.367034] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 6360.367075] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 6360.367116] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 6360.367157] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 6360.367199] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 6360.367243] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6360.367280] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 6360.367321] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6360.367371] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6360.367410] PKRU: 55555554
[ 6360.367423] Call Trace:
[ 6360.367438]  <IRQ>
[ 6360.367456] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 6360.367493] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 6360.367526] ? notifier_call_chain (kernel/notifier.c:93) 
[ 6360.367560] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 6360.367593] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 6360.367626] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 6360.367660] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 6360.367693] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 6360.367720] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 6360.367748] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 6360.367780] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 6360.367808] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 6360.367841] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 6360.367875]  </IRQ>
[ 6360.367889]  <TASK>
[ 6360.367902] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 6360.367936] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6360.367962] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 6360.367989] __dev_queue_xmit (net/core/dev.c:4295) 
[ 6360.368014] ? eth_header (net/ethernet/eth.c:85) 
[ 6360.368041] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 6360.368072] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 6360.368105] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 6360.368132] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 6360.368159] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 6360.368186] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 6360.368212] process_one_work (kernel/workqueue.c:3254) 
[ 6360.368238] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6360.368272] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 6360.368298] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6360.368331] kthread (kernel/kthread.c:388) 
[ 6360.368378] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6360.368399] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 6360.368425] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6360.368446] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 6362.171484] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 5918203 jiffies s: 6153 root: 0x1/.
| [ 6362.171611] rcu: blocking rcu_node structures (internal RCU debug):
| [ 6362.171658] Sending NMI from CPU 1 to CPUs 0:
| [ 6362.171703] NMI backtrace for cpu 0
[ 6362.171707] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6362.171708] Workqueue: mld mld_ifc_work
[ 6362.171710] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6362.171711] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 6362.171712] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 6362.171713] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 6362.171714] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 6362.171715] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 6362.171715] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 6362.171716] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 6362.171718] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 6362.171719] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6362.171720] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 6362.171721] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6362.171721] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6362.171722] PKRU: 55555554
[ 6362.171722] Call Trace:
[ 6362.171723]  <NMI>
[ 6362.171725] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 6362.171728] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 6362.171732] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 6362.171737] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 6362.171738] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 6362.171740] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 6362.171742] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6362.171743] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6362.171744] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6362.171745]  </NMI>
[ 6362.171745]  <TASK>
[ 6362.171746] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 6362.171747] __dev_queue_xmit (net/core/dev.c:4295) 
[ 6362.171749] ? eth_header (net/ethernet/eth.c:85) 
[ 6362.171751] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 6362.171753] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 6362.171754] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 6362.171757] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 6362.171759] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 6362.171761] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 6362.171762] process_one_work (kernel/workqueue.c:3254) 
[ 6362.171765] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6362.171767] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 6362.171769] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6362.171770] kthread (kernel/kthread.c:388) 
[ 6362.171772] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6362.171773] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 6362.171775] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6362.171777] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 6362.171779]  </TASK>
| [ 6423.369491] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 6423.369602] rcu: 0-....: (6010737 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1396635
| [ 6423.369666] rcu: (t=6006285 jiffies g=53861 q=1581 ncpus=4)
[ 6423.369745] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6423.369814] Workqueue: mld mld_ifc_work
[ 6423.369852] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6423.369887] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 6423.369989] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 6423.370022] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 6423.370063] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 6423.370104] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 6423.370145] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 6423.370187] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 6423.370230] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 6423.370276] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6423.370315] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 6423.370367] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6423.370414] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6423.370456] PKRU: 55555554
[ 6423.370469] Call Trace:
[ 6423.370487]  <IRQ>
[ 6423.370512] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 6423.370550] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 6423.370584] ? notifier_call_chain (kernel/notifier.c:93) 
[ 6423.370618] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 6423.370652] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 6423.370685] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 6423.370719] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 6423.370752] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 6423.370779] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 6423.370807] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 6423.370835] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 6423.370868] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 6423.370901] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 6423.370935]  </IRQ>
[ 6423.370949]  <TASK>
[ 6423.370963] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 6423.370997] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6423.371024] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 6423.371051] __dev_queue_xmit (net/core/dev.c:4295) 
[ 6423.371077] ? eth_header (net/ethernet/eth.c:85) 
[ 6423.371103] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 6423.371134] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 6423.371168] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 6423.371195] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 6423.371222] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 6423.371249] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 6423.371274] process_one_work (kernel/workqueue.c:3254) 
[ 6423.371304] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6423.371338] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 6423.371364] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6423.371397] kthread (kernel/kthread.c:388) 
[ 6423.371424] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6423.371445] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 6423.371471] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6423.371492] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 6427.707482] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 5983739 jiffies s: 6153 root: 0x1/.
| [ 6427.707604] rcu: blocking rcu_node structures (internal RCU debug):
| [ 6427.707652] Sending NMI from CPU 1 to CPUs 0:
| [ 6427.707696] NMI backtrace for cpu 0
[ 6427.707703] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6427.707704] Workqueue: mld mld_ifc_work
[ 6427.707707] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6427.707709] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 6427.707710] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 6427.707712] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 6427.707713] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 6427.707714] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 6427.707715] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 6427.707716] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 6427.707718] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 6427.707719] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6427.707719] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 6427.707720] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6427.707721] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6427.707721] PKRU: 55555554
[ 6427.707722] Call Trace:
[ 6427.707723]  <NMI>
[ 6427.707724] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 6427.707727] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 6427.707731] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 6427.707736] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 6427.707739] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 6427.707740] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 6427.707743] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6427.707744] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6427.707745] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6427.707746]  </NMI>
[ 6427.707747]  <TASK>
[ 6427.707747] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 6427.707750] __dev_queue_xmit (net/core/dev.c:4295) 
[ 6427.707752] ? eth_header (net/ethernet/eth.c:85) 
[ 6427.707755] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 6427.707757] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 6427.707758] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 6427.707762] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 6427.707764] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 6427.707766] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 6427.707768] process_one_work (kernel/workqueue.c:3254) 
[ 6427.707772] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6427.707773] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 6427.707775] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6427.707777] kthread (kernel/kthread.c:388) 
[ 6427.707779] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6427.707780] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 6427.707782] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6427.707783] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 6427.707786]  </TASK>
| [ 6486.372479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 6486.372590] rcu: 0-....: (6073739 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1411022
| [ 6486.372652] rcu: (t=6069288 jiffies g=53861 q=1581 ncpus=4)
[ 6486.372728] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6486.372795] Workqueue: mld mld_ifc_work
[ 6486.372828] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6486.372863] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 6486.372960] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 6486.372991] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 6486.373036] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 6486.373081] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 6486.373125] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 6486.373164] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 6486.373205] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 6486.373251] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6486.373290] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 6486.373332] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6486.373389] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6486.373430] PKRU: 55555554
[ 6486.373443] Call Trace:
[ 6486.373459]  <IRQ>
[ 6486.373477] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 6486.373513] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 6486.373546] ? notifier_call_chain (kernel/notifier.c:93) 
[ 6486.373579] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 6486.373612] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 6486.373645] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 6486.373678] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 6486.373711] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 6486.373738] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 6486.373765] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 6486.373799] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 6486.373833] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 6486.373866] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 6486.373902]  </IRQ>
[ 6486.373916]  <TASK>
[ 6486.373929] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 6486.373963] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6486.373989] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 6486.374015] __dev_queue_xmit (net/core/dev.c:4295) 
[ 6486.374041] ? eth_header (net/ethernet/eth.c:85) 
[ 6486.374067] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 6486.374093] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 6486.374126] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 6486.374152] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 6486.374178] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 6486.374205] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 6486.374231] process_one_work (kernel/workqueue.c:3254) 
[ 6486.374260] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6486.374292] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 6486.374319] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6486.374356] kthread (kernel/kthread.c:388) 
[ 6486.374383] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6486.374409] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 6486.374439] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6486.374470] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 6493.243482] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 6049275 jiffies s: 6153 root: 0x1/.
| [ 6493.243605] rcu: blocking rcu_node structures (internal RCU debug):
| [ 6493.243650] Sending NMI from CPU 1 to CPUs 0:
| [ 6493.243695] NMI backtrace for cpu 0
[ 6493.243699] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6493.243700] Workqueue: mld mld_ifc_work
[ 6493.243703] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6493.243705] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 6493.243707] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 6493.243707] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 6493.243708] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 6493.243709] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 6493.243710] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 6493.243710] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 6493.243713] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 6493.243714] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6493.243715] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 6493.243716] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6493.243716] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6493.243717] PKRU: 55555554
[ 6493.243718] Call Trace:
[ 6493.243719]  <NMI>
[ 6493.243720] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 6493.243723] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 6493.243728] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 6493.243733] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 6493.243735] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 6493.243737] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 6493.243739] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6493.243741] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6493.243742] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6493.243743]  </NMI>
[ 6493.243743]  <TASK>
[ 6493.243744] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 6493.243746] __dev_queue_xmit (net/core/dev.c:4295) 
[ 6493.243748] ? eth_header (net/ethernet/eth.c:85) 
[ 6493.243751] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 6493.243753] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 6493.243754] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 6493.243757] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 6493.243759] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 6493.243762] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 6493.243764] process_one_work (kernel/workqueue.c:3254) 
[ 6493.243767] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6493.243769] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 6493.243771] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6493.243773] kthread (kernel/kthread.c:388) 
[ 6493.243775] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6493.243776] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 6493.243779] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6493.243780] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 6493.243783]  </TASK>
| [ 6549.375478] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 6549.375584] rcu: 0-....: (6136741 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1425639
| [ 6549.375648] rcu: (t=6132291 jiffies g=53861 q=1581 ncpus=4)
[ 6549.375728] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6549.375792] Workqueue: mld mld_ifc_work
[ 6549.375825] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6549.375859] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 6549.375955] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 6549.375986] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 6549.376031] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 6549.376075] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 6549.376114] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 6549.376153] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 6549.376193] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 6549.376237] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6549.376274] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 6549.376313] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6549.376365] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6549.376404] PKRU: 55555554
[ 6549.376417] Call Trace:
[ 6549.376432]  <IRQ>
[ 6549.376451] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 6549.376487] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 6549.376518] ? notifier_call_chain (kernel/notifier.c:93) 
[ 6549.376551] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 6549.376582] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 6549.376613] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 6549.376645] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 6549.376681] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 6549.376706] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 6549.376737] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 6549.376769] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 6549.376801] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 6549.376834] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 6549.376867]  </IRQ>
[ 6549.376880]  <TASK>
[ 6549.376894] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 6549.376927] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6549.376953] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 6549.376980] __dev_queue_xmit (net/core/dev.c:4295) 
[ 6549.377005] ? eth_header (net/ethernet/eth.c:85) 
[ 6549.377034] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 6549.377064] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 6549.377095] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 6549.377121] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 6549.377146] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 6549.377171] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 6549.377196] process_one_work (kernel/workqueue.c:3254) 
[ 6549.377224] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6549.377256] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 6549.377281] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6549.377313] kthread (kernel/kthread.c:388) 
[ 6549.377339] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6549.377369] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 6549.377396] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6549.377422] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 6558.779509] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 6114811 jiffies s: 6153 root: 0x1/.
| [ 6558.779638] rcu: blocking rcu_node structures (internal RCU debug):
| [ 6558.779685] Sending NMI from CPU 1 to CPUs 0:
| [ 6558.779729] NMI backtrace for cpu 0
[ 6558.779734] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6558.779735] Workqueue: mld mld_ifc_work
[ 6558.779740] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6558.779743] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 6558.779744] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 6558.779745] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 6558.779746] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 6558.779747] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 6558.779748] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 6558.779749] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 6558.779751] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 6558.779753] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6558.779754] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 6558.779755] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6558.779756] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6558.779757] PKRU: 55555554
[ 6558.779757] Call Trace:
[ 6558.779759]  <NMI>
[ 6558.779761] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 6558.779764] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 6558.779768] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 6558.779773] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 6558.779775] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 6558.779777] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 6558.779780] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6558.779781] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6558.779783] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6558.779784]  </NMI>
[ 6558.779784]  <TASK>
[ 6558.779785] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 6558.779787] __dev_queue_xmit (net/core/dev.c:4295) 
[ 6558.779789] ? eth_header (net/ethernet/eth.c:85) 
[ 6558.779792] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 6558.779796] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 6558.779797] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 6558.779801] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 6558.779803] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 6558.779806] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 6558.779808] process_one_work (kernel/workqueue.c:3254) 
[ 6558.779812] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6558.779814] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 6558.779816] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6558.779817] kthread (kernel/kthread.c:388) 
[ 6558.779820] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6558.779822] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 6558.779826] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6558.779827] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 6558.779830]  </TASK>
| [ 6612.378479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 6612.378576] rcu: 0-....: (6199744 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1439750
| [ 6612.378641] rcu: (t=6195294 jiffies g=53861 q=1581 ncpus=4)
[ 6612.378721] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6612.378789] Workqueue: mld mld_ifc_work
[ 6612.378822] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6612.378855] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 6612.378956] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 6612.378987] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 6612.379032] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 6612.379077] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 6612.379117] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 6612.379159] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 6612.379201] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 6612.379248] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6612.379287] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 6612.379330] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6612.379380] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6612.379422] PKRU: 55555554
[ 6612.379436] Call Trace:
[ 6612.379453]  <IRQ>
[ 6612.379472] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 6612.379511] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 6612.379544] ? notifier_call_chain (kernel/notifier.c:93) 
[ 6612.379578] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 6612.379611] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 6612.379644] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 6612.379677] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 6612.379713] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 6612.379740] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 6612.379771] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 6612.379804] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 6612.379835] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 6612.379868] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 6612.379901]  </IRQ>
[ 6612.379918]  <TASK>
[ 6612.379936] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 6612.379970] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6612.379996] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 6612.380023] __dev_queue_xmit (net/core/dev.c:4295) 
[ 6612.380049] ? eth_header (net/ethernet/eth.c:85) 
[ 6612.380075] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 6612.380105] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 6612.380136] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 6612.380163] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 6612.380189] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 6612.380216] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 6612.380241] process_one_work (kernel/workqueue.c:3254) 
[ 6612.380267] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6612.380300] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 6612.380327] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6612.380364] kthread (kernel/kthread.c:388) 
[ 6612.380394] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6612.380419] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 6612.380450] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6612.380475] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 6624.315484] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 6180347 jiffies s: 6153 root: 0x1/.
| [ 6624.315610] rcu: blocking rcu_node structures (internal RCU debug):
| [ 6624.315655] Sending NMI from CPU 1 to CPUs 0:
| [ 6624.315699] NMI backtrace for cpu 0
[ 6624.315705] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6624.315706] Workqueue: mld mld_ifc_work
[ 6624.315713] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6624.315716] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 6624.315718] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 6624.315719] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 6624.315720] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 6624.315721] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 6624.315722] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 6624.315723] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 6624.315726] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 6624.315727] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6624.315728] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 6624.315728] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6624.315729] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6624.315730] PKRU: 55555554
[ 6624.315731] Call Trace:
[ 6624.315733]  <NMI>
[ 6624.315734] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 6624.315738] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 6624.315743] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 6624.315748] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 6624.315751] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 6624.315752] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 6624.315756] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6624.315757] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6624.315759] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6624.315760]  </NMI>
[ 6624.315760]  <TASK>
[ 6624.315761] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 6624.315764] __dev_queue_xmit (net/core/dev.c:4295) 
[ 6624.315765] ? eth_header (net/ethernet/eth.c:85) 
[ 6624.315769] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 6624.315773] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 6624.315774] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 6624.315778] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 6624.315781] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 6624.315783] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 6624.315785] process_one_work (kernel/workqueue.c:3254) 
[ 6624.315790] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6624.315792] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 6624.315794] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6624.315795] kthread (kernel/kthread.c:388) 
[ 6624.315798] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6624.315800] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 6624.315804] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6624.315806] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 6624.315810]  </TASK>
| [ 6675.381479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 6675.381581] rcu: 0-....: (6262746 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1454145
| [ 6675.381647] rcu: (t=6258297 jiffies g=53861 q=1581 ncpus=4)
[ 6675.381727] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6675.381795] Workqueue: mld mld_ifc_work
[ 6675.381828] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6675.381863] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 6675.381964] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 6675.381996] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 6675.382037] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 6675.382078] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 6675.382119] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 6675.382160] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 6675.382203] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 6675.382249] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6675.382287] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 6675.382329] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6675.382382] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6675.382429] PKRU: 55555554
[ 6675.382442] Call Trace:
[ 6675.382458]  <IRQ>
[ 6675.382477] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 6675.382513] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 6675.382546] ? notifier_call_chain (kernel/notifier.c:93) 
[ 6675.382579] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 6675.382611] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 6675.382644] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 6675.382677] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 6675.382714] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 6675.382739] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 6675.382767] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 6675.382794] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 6675.382827] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 6675.382860] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 6675.382892]  </IRQ>
[ 6675.382906]  <TASK>
[ 6675.382920] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 6675.382953] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6675.382979] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 6675.383005] __dev_queue_xmit (net/core/dev.c:4295) 
[ 6675.383031] ? eth_header (net/ethernet/eth.c:85) 
[ 6675.383057] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 6675.383086] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 6675.383118] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 6675.383145] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 6675.383172] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 6675.383198] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 6675.383224] process_one_work (kernel/workqueue.c:3254) 
[ 6675.383252] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6675.383284] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 6675.383311] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6675.383347] kthread (kernel/kthread.c:388) 
[ 6675.383376] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6675.383403] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 6675.383429] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6675.383449] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 6689.851482] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 6245883 jiffies s: 6153 root: 0x1/.
| [ 6689.851608] rcu: blocking rcu_node structures (internal RCU debug):
| [ 6689.851655] Sending NMI from CPU 1 to CPUs 0:
| [ 6689.851700] NMI backtrace for cpu 0
[ 6689.851706] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6689.851708] Workqueue: mld mld_ifc_work
[ 6689.851713] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6689.851717] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 6689.851719] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 6689.851720] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 6689.851721] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 6689.851722] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 6689.851722] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 6689.851723] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 6689.851726] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 6689.851727] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6689.851728] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 6689.851729] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6689.851730] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6689.851731] PKRU: 55555554
[ 6689.851731] Call Trace:
[ 6689.851733]  <NMI>
[ 6689.851735] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 6689.851739] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 6689.851744] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 6689.851748] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 6689.851751] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 6689.851752] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 6689.851756] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6689.851757] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6689.851759] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6689.851760]  </NMI>
[ 6689.851760]  <TASK>
[ 6689.851762] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 6689.851766] __dev_queue_xmit (net/core/dev.c:4295) 
[ 6689.851767] ? eth_header (net/ethernet/eth.c:85) 
[ 6689.851772] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 6689.851775] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 6689.851777] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 6689.851781] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 6689.851783] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 6689.851785] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 6689.851787] process_one_work (kernel/workqueue.c:3254) 
[ 6689.851791] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6689.851792] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 6689.851794] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6689.851796] kthread (kernel/kthread.c:388) 
[ 6689.851798] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6689.851799] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 6689.851803] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6689.851804] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 6689.851808]  </TASK>
| [ 6738.384486] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 6738.384646] rcu: 0-....: (6325748 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1468433
| [ 6738.384711] rcu: (t=6321300 jiffies g=53861 q=1581 ncpus=4)
[ 6738.384794] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6738.384861] Workqueue: mld mld_ifc_work
[ 6738.384894] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6738.384929] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 6738.385030] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 6738.385063] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 6738.385105] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 6738.385147] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 6738.385188] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 6738.385229] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 6738.385272] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 6738.385318] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6738.385358] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 6738.385410] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6738.385457] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6738.385499] PKRU: 55555554
[ 6738.385513] Call Trace:
[ 6738.385533]  <IRQ>
[ 6738.385558] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 6738.385594] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 6738.385628] ? notifier_call_chain (kernel/notifier.c:93) 
[ 6738.385661] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 6738.385694] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 6738.385727] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 6738.385761] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 6738.385795] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 6738.385821] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 6738.385849] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 6738.385876] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 6738.385904] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 6738.385937] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 6738.385970]  </IRQ>
[ 6738.385984]  <TASK>
[ 6738.385998] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 6738.386032] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6738.386058] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 6738.386084] __dev_queue_xmit (net/core/dev.c:4295) 
[ 6738.386110] ? eth_header (net/ethernet/eth.c:85) 
[ 6738.386137] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 6738.386163] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 6738.386196] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 6738.386223] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 6738.386249] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 6738.386276] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 6738.386302] process_one_work (kernel/workqueue.c:3254) 
[ 6738.386328] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6738.386360] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 6738.386382] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6738.386415] kthread (kernel/kthread.c:388) 
[ 6738.386441] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6738.386462] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 6738.386488] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6738.386514] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 6755.387488] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 6311419 jiffies s: 6153 root: 0x1/.
| [ 6755.387613] rcu: blocking rcu_node structures (internal RCU debug):
| [ 6755.387661] Sending NMI from CPU 1 to CPUs 0:
| [ 6755.387716] NMI backtrace for cpu 0
[ 6755.387722] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6755.387724] Workqueue: mld mld_ifc_work
[ 6755.387731] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6755.387735] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 6755.387737] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 6755.387738] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 6755.387739] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 6755.387740] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 6755.387741] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 6755.387741] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 6755.387744] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 6755.387745] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6755.387746] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 6755.387747] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6755.387747] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6755.387748] PKRU: 55555554
[ 6755.387749] Call Trace:
[ 6755.387751]  <NMI>
[ 6755.387752] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 6755.387756] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 6755.387761] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 6755.387766] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 6755.387769] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 6755.387770] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 6755.387775] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6755.387776] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6755.387777] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6755.387778]  </NMI>
[ 6755.387779]  <TASK>
[ 6755.387779] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 6755.387783] __dev_queue_xmit (net/core/dev.c:4295) 
[ 6755.387785] ? eth_header (net/ethernet/eth.c:85) 
[ 6755.387789] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 6755.387793] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 6755.387795] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 6755.387799] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 6755.387802] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 6755.387804] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 6755.387806] process_one_work (kernel/workqueue.c:3254) 
[ 6755.387811] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6755.387812] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 6755.387815] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6755.387817] kthread (kernel/kthread.c:388) 
[ 6755.387820] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6755.387821] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 6755.387825] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6755.387827] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 6755.387831]  </TASK>
| [ 6801.387478] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 6801.387574] rcu: 0-....: (6388750 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1482876
| [ 6801.387643] rcu: (t=6384303 jiffies g=53861 q=1581 ncpus=4)
[ 6801.387718] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6801.387785] Workqueue: mld mld_ifc_work
[ 6801.387818] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6801.387851] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 6801.387953] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 6801.387986] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 6801.388028] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 6801.388069] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 6801.388110] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 6801.388152] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 6801.388194] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 6801.388241] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6801.388279] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 6801.388321] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6801.388378] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6801.388417] PKRU: 55555554
[ 6801.388431] Call Trace:
[ 6801.388447]  <IRQ>
[ 6801.388465] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 6801.388501] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 6801.388529] ? notifier_call_chain (kernel/notifier.c:93) 
[ 6801.388562] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 6801.388595] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 6801.388628] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 6801.388661] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 6801.388694] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 6801.388720] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 6801.388748] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 6801.388776] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 6801.388809] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 6801.388841] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 6801.388874]  </IRQ>
[ 6801.388887]  <TASK>
[ 6801.388901] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 6801.388935] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6801.388961] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 6801.388988] __dev_queue_xmit (net/core/dev.c:4295) 
[ 6801.389014] ? eth_header (net/ethernet/eth.c:85) 
[ 6801.389040] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 6801.389066] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 6801.389098] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 6801.389125] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 6801.389151] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 6801.389178] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 6801.389204] process_one_work (kernel/workqueue.c:3254) 
[ 6801.389230] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6801.389262] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 6801.389288] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6801.389321] kthread (kernel/kthread.c:388) 
[ 6801.389353] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6801.389374] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 6801.389401] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6801.389421] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 6820.923482] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 6376955 jiffies s: 6153 root: 0x1/.
| [ 6820.923613] rcu: blocking rcu_node structures (internal RCU debug):
| [ 6820.923661] Sending NMI from CPU 1 to CPUs 0:
| [ 6820.923710] NMI backtrace for cpu 0
[ 6820.923719] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6820.923721] Workqueue: mld mld_ifc_work
[ 6820.923727] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6820.923731] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 6820.923733] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 6820.923734] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 6820.923735] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 6820.923736] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 6820.923737] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 6820.923737] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 6820.923740] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 6820.923741] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6820.923742] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 6820.923743] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6820.923744] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6820.923745] PKRU: 55555554
[ 6820.923745] Call Trace:
[ 6820.923748]  <NMI>
[ 6820.923750] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 6820.923753] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 6820.923759] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 6820.923764] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 6820.923766] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 6820.923768] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 6820.923772] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6820.923773] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6820.923774] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6820.923775]  </NMI>
[ 6820.923776]  <TASK>
[ 6820.923777] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 6820.923781] __dev_queue_xmit (net/core/dev.c:4295) 
[ 6820.923782] ? eth_header (net/ethernet/eth.c:85) 
[ 6820.923786] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 6820.923789] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 6820.923791] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 6820.923795] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 6820.923798] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 6820.923800] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 6820.923802] process_one_work (kernel/workqueue.c:3254) 
[ 6820.923805] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6820.923807] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 6820.923809] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6820.923810] kthread (kernel/kthread.c:388) 
[ 6820.923812] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6820.923814] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 6820.923817] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6820.923818] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 6820.923822]  </TASK>
| [ 6864.390479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 6864.390579] rcu: 0-....: (6451753 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1497192
| [ 6864.390642] rcu: (t=6447306 jiffies g=53861 q=1581 ncpus=4)
[ 6864.390723] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6864.390790] Workqueue: mld mld_ifc_work
[ 6864.390822] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6864.390855] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 6864.390956] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 6864.390987] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 6864.391032] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 6864.391071] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 6864.391116] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 6864.391157] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 6864.391200] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 6864.391247] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6864.391286] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 6864.391328] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6864.391386] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6864.391427] PKRU: 55555554
[ 6864.391441] Call Trace:
[ 6864.391457]  <IRQ>
[ 6864.391476] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 6864.391513] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 6864.391547] ? notifier_call_chain (kernel/notifier.c:93) 
[ 6864.391580] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 6864.391614] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 6864.391647] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 6864.391680] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 6864.391713] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 6864.391739] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 6864.391765] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 6864.391797] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 6864.391829] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 6864.391860] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 6864.391893]  </IRQ>
[ 6864.391907]  <TASK>
[ 6864.391921] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 6864.391954] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6864.391980] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 6864.392006] __dev_queue_xmit (net/core/dev.c:4295) 
[ 6864.392032] ? eth_header (net/ethernet/eth.c:85) 
[ 6864.392058] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 6864.392085] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 6864.392117] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 6864.392144] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 6864.392168] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 6864.392194] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 6864.392219] process_one_work (kernel/workqueue.c:3254) 
[ 6864.392244] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6864.392275] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 6864.392300] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6864.392331] kthread (kernel/kthread.c:388) 
[ 6864.392364] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6864.392388] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 6864.392417] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6864.392442] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 6886.459501] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 6442491 jiffies s: 6153 root: 0x1/.
| [ 6886.459627] rcu: blocking rcu_node structures (internal RCU debug):
| [ 6886.459672] Sending NMI from CPU 1 to CPUs 0:
| [ 6886.459718] NMI backtrace for cpu 0
[ 6886.459725] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6886.459727] Workqueue: mld mld_ifc_work
[ 6886.459733] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6886.459737] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 6886.459739] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 6886.459740] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 6886.459741] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 6886.459741] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 6886.459742] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 6886.459743] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 6886.459746] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 6886.459747] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6886.459748] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 6886.459749] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6886.459750] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6886.459751] PKRU: 55555554
[ 6886.459751] Call Trace:
[ 6886.459754]  <NMI>
[ 6886.459756] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 6886.459763] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 6886.459769] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 6886.459774] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 6886.459777] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 6886.459779] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 6886.459782] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6886.459784] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6886.459785] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6886.459786]  </NMI>
[ 6886.459786]  <TASK>
[ 6886.459787] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 6886.459792] __dev_queue_xmit (net/core/dev.c:4295) 
[ 6886.459793] ? eth_header (net/ethernet/eth.c:85) 
[ 6886.459798] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 6886.459802] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 6886.459803] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 6886.459808] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 6886.459810] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 6886.459813] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 6886.459815] process_one_work (kernel/workqueue.c:3254) 
[ 6886.459820] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6886.459822] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 6886.459824] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6886.459826] kthread (kernel/kthread.c:388) 
[ 6886.459829] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6886.459830] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 6886.459835] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6886.459836] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 6886.459841]  </TASK>
| [ 6927.393478] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 6927.393571] rcu: 0-....: (6514755 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1511676
| [ 6927.393632] rcu: (t=6510309 jiffies g=53861 q=1581 ncpus=4)
[ 6927.393718] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6927.393786] Workqueue: mld mld_ifc_work
[ 6927.393820] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6927.393859] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 6927.393961] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 6927.393994] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 6927.394035] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 6927.394076] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 6927.394117] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 6927.394157] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 6927.394199] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 6927.394245] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6927.394284] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 6927.394326] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6927.394376] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6927.394417] PKRU: 55555554
[ 6927.394430] Call Trace:
[ 6927.394445]  <IRQ>
[ 6927.394463] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 6927.394498] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 6927.394531] ? notifier_call_chain (kernel/notifier.c:93) 
[ 6927.394564] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 6927.394596] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 6927.394629] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 6927.394661] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 6927.394692] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 6927.394717] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 6927.394750] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 6927.394783] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 6927.394815] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 6927.394846] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 6927.394881]  </IRQ>
[ 6927.394895]  <TASK>
[ 6927.394909] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 6927.394943] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6927.394968] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 6927.394995] __dev_queue_xmit (net/core/dev.c:4295) 
[ 6927.395020] ? eth_header (net/ethernet/eth.c:85) 
[ 6927.395045] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 6927.395071] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 6927.395104] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 6927.395130] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 6927.395163] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 6927.395189] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 6927.395214] process_one_work (kernel/workqueue.c:3254) 
[ 6927.395239] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6927.395271] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 6927.395297] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6927.395330] kthread (kernel/kthread.c:388) 
[ 6927.395363] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6927.395386] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 6927.395412] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6927.395433] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 6951.995482] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 6508027 jiffies s: 6153 root: 0x1/.
| [ 6951.995612] rcu: blocking rcu_node structures (internal RCU debug):
| [ 6951.995660] Sending NMI from CPU 1 to CPUs 0:
| [ 6951.995706] NMI backtrace for cpu 0
[ 6951.995718] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6951.995721] Workqueue: mld mld_ifc_work
[ 6951.995733] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6951.995736] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 6951.995738] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 6951.995740] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 6951.995741] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 6951.995742] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 6951.995743] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 6951.995743] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 6951.995745] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 6951.995746] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6951.995747] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 6951.995748] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6951.995749] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6951.995750] PKRU: 55555554
[ 6951.995750] Call Trace:
[ 6951.995755]  <NMI>
[ 6951.995760] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 6951.995765] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 6951.995771] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 6951.995776] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 6951.995779] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 6951.995781] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 6951.995785] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6951.995786] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6951.995788] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6951.995789]  </NMI>
[ 6951.995789]  <TASK>
[ 6951.995790] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 6951.995794] __dev_queue_xmit (net/core/dev.c:4295) 
[ 6951.995795] ? eth_header (net/ethernet/eth.c:85) 
[ 6951.995799] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 6951.995804] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 6951.995806] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 6951.995810] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 6951.995812] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 6951.995815] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 6951.995817] process_one_work (kernel/workqueue.c:3254) 
[ 6951.995820] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6951.995822] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 6951.995824] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6951.995826] kthread (kernel/kthread.c:388) 
[ 6951.995829] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6951.995830] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 6951.995834] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6951.995835] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 6951.995840]  </TASK>
| [ 6990.396479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 6990.396571] rcu: 0-....: (6577757 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1526772
| [ 6990.396631] rcu: (t=6573312 jiffies g=53861 q=1581 ncpus=4)
[ 6990.396705] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 6990.396768] Workqueue: mld mld_ifc_work
[ 6990.396802] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6990.396838] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 6990.396940] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 6990.396973] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 6990.397014] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 6990.397056] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 6990.397098] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 6990.397139] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 6990.397181] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 6990.397227] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 6990.397265] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 6990.397308] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 6990.397360] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 6990.397401] PKRU: 55555554
[ 6990.397415] Call Trace:
[ 6990.397430]  <IRQ>
[ 6990.397449] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 6990.397485] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 6990.397516] ? notifier_call_chain (kernel/notifier.c:93) 
[ 6990.397548] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 6990.397579] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 6990.397611] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 6990.397642] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 6990.397673] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 6990.397699] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 6990.397730] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 6990.397761] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 6990.397793] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 6990.397824] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 6990.397856]  </IRQ>
[ 6990.397868]  <TASK>
[ 6990.397881] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 6990.397914] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 6990.397938] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 6990.397963] __dev_queue_xmit (net/core/dev.c:4295) 
[ 6990.397988] ? eth_header (net/ethernet/eth.c:85) 
[ 6990.398018] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 6990.398043] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 6990.398075] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 6990.398103] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 6990.398129] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 6990.398156] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 6990.398181] process_one_work (kernel/workqueue.c:3254) 
[ 6990.398208] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6990.398240] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 6990.398267] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 6990.398300] kthread (kernel/kthread.c:388) 
[ 6990.398326] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6990.398358] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 6990.398388] ? __pfx_kthread (kernel/kthread.c:341) 
[ 6990.398413] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 7017.530483] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 6573562 jiffies s: 6153 root: 0x1/.
| [ 7017.530617] rcu: blocking rcu_node structures (internal RCU debug):
| [ 7017.530665] Sending NMI from CPU 1 to CPUs 0:
| [ 7017.530711] NMI backtrace for cpu 0
[ 7017.530718] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7017.530719] Workqueue: mld mld_ifc_work
[ 7017.530729] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7017.530732] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 7017.530734] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 7017.530735] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 7017.530736] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 7017.530737] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 7017.530738] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 7017.530739] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 7017.530742] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 7017.530743] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7017.530744] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 7017.530745] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7017.530745] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7017.530746] PKRU: 55555554
[ 7017.530747] Call Trace:
[ 7017.530750]  <NMI>
[ 7017.530752] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 7017.530756] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 7017.530762] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 7017.530766] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 7017.530770] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 7017.530771] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 7017.530775] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7017.530777] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7017.530778] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7017.530779]  </NMI>
[ 7017.530779]  <TASK>
[ 7017.530780] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 7017.530784] __dev_queue_xmit (net/core/dev.c:4295) 
[ 7017.530786] ? eth_header (net/ethernet/eth.c:85) 
[ 7017.530790] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 7017.530795] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 7017.530797] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 7017.530802] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 7017.530805] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 7017.530807] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 7017.530809] process_one_work (kernel/workqueue.c:3254) 
[ 7017.530813] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7017.530815] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 7017.530817] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7017.530818] kthread (kernel/kthread.c:388) 
[ 7017.530821] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7017.530822] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 7017.530826] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7017.530827] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 7017.530832]  </TASK>
| [ 7053.399480] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 7053.399576] rcu: 0-....: (6640760 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1541003
| [ 7053.399636] rcu: (t=6636315 jiffies g=53861 q=1581 ncpus=4)
[ 7053.399717] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7053.399780] Workqueue: mld mld_ifc_work
[ 7053.399814] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7053.399851] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 7053.399953] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 7053.399986] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 7053.400027] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 7053.400068] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 7053.400110] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 7053.400151] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 7053.400194] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 7053.400241] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7053.400280] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 7053.400322] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7053.400380] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7053.400420] PKRU: 55555554
[ 7053.400434] Call Trace:
[ 7053.400451]  <IRQ>
[ 7053.400470] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 7053.400509] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 7053.400543] ? notifier_call_chain (kernel/notifier.c:93) 
[ 7053.400575] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 7053.400609] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 7053.400642] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 7053.400675] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 7053.400707] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 7053.400733] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 7053.400767] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 7053.400795] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 7053.400826] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 7053.400859] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 7053.400892]  </IRQ>
[ 7053.400906]  <TASK>
[ 7053.400920] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 7053.400954] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7053.400980] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 7053.401007] __dev_queue_xmit (net/core/dev.c:4295) 
[ 7053.401033] ? eth_header (net/ethernet/eth.c:85) 
[ 7053.401059] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 7053.401086] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 7053.401119] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 7053.401146] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 7053.401172] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 7053.401198] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 7053.401224] process_one_work (kernel/workqueue.c:3254) 
[ 7053.401251] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7053.401284] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 7053.401310] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7053.401346] kthread (kernel/kthread.c:388) 
[ 7053.401371] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7053.401391] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 7053.401421] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7053.401442] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 7083.067484] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 6639099 jiffies s: 6153 root: 0x1/.
| [ 7083.067667] rcu: blocking rcu_node structures (internal RCU debug):
| [ 7083.067713] Sending NMI from CPU 1 to CPUs 0:
| [ 7083.067759] NMI backtrace for cpu 0
[ 7083.067767] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7083.067769] Workqueue: mld mld_ifc_work
[ 7083.067778] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7083.067782] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 7083.067784] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 7083.067785] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 7083.067786] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 7083.067787] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 7083.067788] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 7083.067789] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 7083.067792] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 7083.067793] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7083.067794] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 7083.067795] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7083.067796] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7083.067796] PKRU: 55555554
[ 7083.067797] Call Trace:
[ 7083.067800]  <NMI>
[ 7083.067803] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 7083.067806] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 7083.067811] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 7083.067816] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 7083.067819] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 7083.067821] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 7083.067825] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7083.067826] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7083.067827] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7083.067828]  </NMI>
[ 7083.067829]  <TASK>
[ 7083.067829] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 7083.067834] __dev_queue_xmit (net/core/dev.c:4295) 
[ 7083.067835] ? eth_header (net/ethernet/eth.c:85) 
[ 7083.067840] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 7083.067845] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 7083.067847] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 7083.067852] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 7083.067855] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 7083.067858] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 7083.067860] process_one_work (kernel/workqueue.c:3254) 
[ 7083.067865] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7083.067867] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 7083.067869] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7083.067870] kthread (kernel/kthread.c:388) 
[ 7083.067874] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7083.067875] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 7083.067880] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7083.067881] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 7083.067886]  </TASK>
| [ 7116.402478] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 7116.402571] rcu: 0-....: (6703762 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1555305
| [ 7116.402636] rcu: (t=6699318 jiffies g=53861 q=1581 ncpus=4)
[ 7116.402710] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7116.402778] Workqueue: mld mld_ifc_work
[ 7116.402811] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7116.402846] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 7116.402948] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 7116.402986] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 7116.403027] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 7116.403066] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 7116.403105] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 7116.403145] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 7116.403186] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 7116.403230] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7116.403267] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 7116.403308] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7116.403361] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7116.403406] PKRU: 55555554
[ 7116.403420] Call Trace:
[ 7116.403435]  <IRQ>
[ 7116.403454] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 7116.403489] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 7116.403523] ? notifier_call_chain (kernel/notifier.c:93) 
[ 7116.403556] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 7116.403589] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 7116.403622] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 7116.403653] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 7116.403692] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 7116.403717] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 7116.403750] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 7116.403779] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 7116.403812] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 7116.403845] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 7116.403879]  </IRQ>
[ 7116.403893]  <TASK>
[ 7116.403907] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 7116.403942] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7116.403967] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 7116.403995] __dev_queue_xmit (net/core/dev.c:4295) 
[ 7116.404021] ? eth_header (net/ethernet/eth.c:85) 
[ 7116.404053] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 7116.404080] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 7116.404113] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 7116.404140] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 7116.404167] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 7116.404194] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 7116.404220] process_one_work (kernel/workqueue.c:3254) 
[ 7116.404252] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7116.404285] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 7116.404313] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7116.404348] kthread (kernel/kthread.c:388) 
[ 7116.404372] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7116.404393] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 7116.404420] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7116.404446] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 7148.603484] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 6704635 jiffies s: 6153 root: 0x1/.
| [ 7148.603610] rcu: blocking rcu_node structures (internal RCU debug):
| [ 7148.603656] Sending NMI from CPU 1 to CPUs 0:
| [ 7148.603704] NMI backtrace for cpu 0
[ 7148.603711] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7148.603713] Workqueue: mld mld_ifc_work
[ 7148.603721] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7148.603725] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 7148.603727] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 7148.603729] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 7148.603730] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 7148.603731] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 7148.603732] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 7148.603733] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 7148.603735] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 7148.603736] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7148.603737] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 7148.603738] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7148.603739] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7148.603740] PKRU: 55555554
[ 7148.603740] Call Trace:
[ 7148.603744]  <NMI>
[ 7148.603746] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 7148.603750] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 7148.603756] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 7148.603761] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 7148.603764] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 7148.603766] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 7148.603770] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7148.603772] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7148.603773] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7148.603774]  </NMI>
[ 7148.603774]  <TASK>
[ 7148.603775] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 7148.603779] __dev_queue_xmit (net/core/dev.c:4295) 
[ 7148.603781] ? eth_header (net/ethernet/eth.c:85) 
[ 7148.603785] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 7148.603790] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 7148.603791] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 7148.603796] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 7148.603798] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 7148.603801] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 7148.603803] process_one_work (kernel/workqueue.c:3254) 
[ 7148.603808] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7148.603809] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 7148.603812] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7148.603813] kthread (kernel/kthread.c:388) 
[ 7148.603816] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7148.603818] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 7148.603823] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7148.603824] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 7148.603829]  </TASK>
| [ 7179.405479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 7179.405580] rcu: 0-....: (6766764 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1569228
| [ 7179.405645] rcu: (t=6762321 jiffies g=53861 q=1581 ncpus=4)
[ 7179.405725] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7179.405793] Workqueue: mld mld_ifc_work
[ 7179.405824] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7179.405857] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 7179.405957] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 7179.405990] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 7179.406031] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 7179.406072] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 7179.406112] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 7179.406153] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 7179.406196] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 7179.406242] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7179.406281] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 7179.406323] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7179.406379] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7179.406420] PKRU: 55555554
[ 7179.406434] Call Trace:
[ 7179.406450]  <IRQ>
[ 7179.406469] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 7179.406506] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 7179.406541] ? notifier_call_chain (kernel/notifier.c:93) 
[ 7179.406574] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 7179.406607] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 7179.406640] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 7179.406672] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 7179.406705] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 7179.406731] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 7179.406758] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 7179.406798] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 7179.406831] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 7179.406863] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 7179.406895]  </IRQ>
[ 7179.406908]  <TASK>
[ 7179.406921] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 7179.406953] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7179.406978] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 7179.407003] __dev_queue_xmit (net/core/dev.c:4295) 
[ 7179.407028] ? eth_header (net/ethernet/eth.c:85) 
[ 7179.407058] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 7179.407082] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 7179.407114] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 7179.407140] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 7179.407165] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 7179.407190] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 7179.407214] process_one_work (kernel/workqueue.c:3254) 
[ 7179.407242] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7179.407275] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 7179.407302] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7179.407334] kthread (kernel/kthread.c:388) 
[ 7179.407362] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7179.407388] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 7179.407414] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7179.407440] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 7214.139499] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 6770171 jiffies s: 6153 root: 0x1/.
| [ 7214.139730] rcu: blocking rcu_node structures (internal RCU debug):
| [ 7214.139777] Sending NMI from CPU 1 to CPUs 0:
| [ 7214.139822] NMI backtrace for cpu 0
[ 7214.139829] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7214.139831] Workqueue: mld mld_ifc_work
[ 7214.139838] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7214.139843] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 7214.139844] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 7214.139846] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 7214.139846] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 7214.139847] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 7214.139848] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 7214.139849] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 7214.139852] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 7214.139853] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7214.139854] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 7214.139854] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7214.139855] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7214.139856] PKRU: 55555554
[ 7214.139856] Call Trace:
[ 7214.139859]  <NMI>
[ 7214.139861] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 7214.139865] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 7214.139871] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 7214.139875] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 7214.139878] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 7214.139879] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 7214.139884] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7214.139885] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7214.139886] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7214.139888]  </NMI>
[ 7214.139888]  <TASK>
[ 7214.139888] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 7214.139893] __dev_queue_xmit (net/core/dev.c:4295) 
[ 7214.139894] ? eth_header (net/ethernet/eth.c:85) 
[ 7214.139899] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 7214.139903] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 7214.139905] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 7214.139910] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 7214.139912] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 7214.139915] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 7214.139917] process_one_work (kernel/workqueue.c:3254) 
[ 7214.139922] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7214.139924] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 7214.139926] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7214.139928] kthread (kernel/kthread.c:388) 
[ 7214.139930] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7214.139932] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 7214.139936] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7214.139938] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 7214.139942]  </TASK>
| [ 7242.408478] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 7242.408583] rcu: 0-....: (6829766 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1583199
| [ 7242.408641] rcu: (t=6825324 jiffies g=53861 q=1581 ncpus=4)
[ 7242.408716] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7242.408781] Workqueue: mld mld_ifc_work
[ 7242.408812] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7242.408849] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 7242.408944] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 7242.408975] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 7242.409018] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 7242.409057] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 7242.409100] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 7242.409144] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 7242.409183] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 7242.409226] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7242.409262] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 7242.409307] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7242.409357] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7242.409399] PKRU: 55555554
[ 7242.409412] Call Trace:
[ 7242.409427]  <IRQ>
[ 7242.409445] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 7242.409482] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 7242.409514] ? notifier_call_chain (kernel/notifier.c:93) 
[ 7242.409545] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 7242.409576] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 7242.409607] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 7242.409638] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 7242.409673] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 7242.409698] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 7242.409729] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 7242.409761] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 7242.409792] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 7242.409823] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 7242.409854]  </IRQ>
[ 7242.409867]  <TASK>
[ 7242.409880] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 7242.409912] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7242.409936] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 7242.409961] __dev_queue_xmit (net/core/dev.c:4295) 
[ 7242.409986] ? eth_header (net/ethernet/eth.c:85) 
[ 7242.410011] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 7242.410036] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 7242.410066] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 7242.410092] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 7242.410116] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 7242.410142] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 7242.410165] process_one_work (kernel/workqueue.c:3254) 
[ 7242.410190] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7242.410220] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 7242.410245] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7242.410276] kthread (kernel/kthread.c:388) 
[ 7242.410301] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7242.410325] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 7242.410355] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7242.410374] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 7279.674496] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 6835706 jiffies s: 6153 root: 0x1/.
| [ 7279.674627] rcu: blocking rcu_node structures (internal RCU debug):
| [ 7279.674674] Sending NMI from CPU 1 to CPUs 0:
| [ 7279.674728] NMI backtrace for cpu 0
[ 7279.674737] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7279.674739] Workqueue: mld mld_ifc_work
[ 7279.674746] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7279.674751] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 7279.674752] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 7279.674754] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 7279.674755] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 7279.674756] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 7279.674757] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 7279.674758] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 7279.674760] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 7279.674761] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7279.674762] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 7279.674763] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7279.674764] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7279.674765] PKRU: 55555554
[ 7279.674765] Call Trace:
[ 7279.674770]  <NMI>
[ 7279.674775] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 7279.674779] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 7279.674784] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 7279.674788] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 7279.674791] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 7279.674792] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 7279.674796] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7279.674798] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7279.674799] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7279.674800]  </NMI>
[ 7279.674800]  <TASK>
[ 7279.674801] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 7279.674805] __dev_queue_xmit (net/core/dev.c:4295) 
[ 7279.674807] ? eth_header (net/ethernet/eth.c:85) 
[ 7279.674810] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 7279.674813] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 7279.674815] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 7279.674819] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 7279.674821] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 7279.674823] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 7279.674826] process_one_work (kernel/workqueue.c:3254) 
[ 7279.674829] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7279.674831] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 7279.674833] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7279.674835] kthread (kernel/kthread.c:388) 
[ 7279.674838] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7279.674839] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 7279.674843] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7279.674844] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 7279.674849]  </TASK>
| [ 7305.411478] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 7305.411567] rcu: 0-....: (6892769 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1597757
| [ 7305.411623] rcu: (t=6888327 jiffies g=53861 q=1581 ncpus=4)
[ 7305.411697] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7305.411761] Workqueue: mld mld_ifc_work
[ 7305.411790] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7305.411821] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 7305.411915] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 7305.411946] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 7305.411989] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 7305.412033] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 7305.412070] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 7305.412114] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 7305.412153] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 7305.412196] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7305.412232] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 7305.412271] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7305.412314] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7305.412360] PKRU: 55555554
[ 7305.412376] Call Trace:
[ 7305.412389]  <IRQ>
[ 7305.412408] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 7305.412438] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 7305.412469] ? notifier_call_chain (kernel/notifier.c:93) 
[ 7305.412500] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 7305.412531] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 7305.412562] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 7305.412593] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 7305.412623] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 7305.412648] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 7305.412679] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 7305.412710] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 7305.412740] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 7305.412771] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 7305.412802]  </IRQ>
[ 7305.412814]  <TASK>
[ 7305.412827] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 7305.412858] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7305.412882] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 7305.412906] __dev_queue_xmit (net/core/dev.c:4295) 
[ 7305.412931] ? eth_header (net/ethernet/eth.c:85) 
[ 7305.412955] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 7305.412980] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 7305.413011] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 7305.413036] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 7305.413061] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 7305.413086] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 7305.413110] process_one_work (kernel/workqueue.c:3254) 
[ 7305.413134] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7305.413165] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 7305.413190] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7305.413220] kthread (kernel/kthread.c:388) 
[ 7305.413245] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7305.413270] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 7305.413294] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7305.413318] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 7345.211487] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 6901243 jiffies s: 6153 root: 0x1/.
| [ 7345.211684] rcu: blocking rcu_node structures (internal RCU debug):
| [ 7345.211728] Sending NMI from CPU 1 to CPUs 0:
| [ 7345.211778] NMI backtrace for cpu 0
[ 7345.211791] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7345.211792] Workqueue: mld mld_ifc_work
[ 7345.211798] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7345.211802] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 7345.211804] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 7345.211805] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 7345.211806] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 7345.211807] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 7345.211808] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 7345.211809] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 7345.211811] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 7345.211812] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7345.211813] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 7345.211814] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7345.211815] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7345.211816] PKRU: 55555554
[ 7345.211816] Call Trace:
[ 7345.211818]  <NMI>
[ 7345.211820] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 7345.211823] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 7345.211828] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 7345.211832] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 7345.211835] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 7345.211836] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 7345.211838] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7345.211840] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7345.211841] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7345.211842]  </NMI>
[ 7345.211842]  <TASK>
[ 7345.211843] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 7345.211846] __dev_queue_xmit (net/core/dev.c:4295) 
[ 7345.211848] ? eth_header (net/ethernet/eth.c:85) 
[ 7345.211852] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 7345.211856] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 7345.211858] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 7345.211862] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 7345.211865] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 7345.211867] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 7345.211869] process_one_work (kernel/workqueue.c:3254) 
[ 7345.211873] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7345.211875] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 7345.211877] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7345.211878] kthread (kernel/kthread.c:388) 
[ 7345.211881] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7345.211882] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 7345.211886] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7345.211887] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 7345.211891]  </TASK>
| [ 7368.414478] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 7368.414630] rcu: 0-....: (6955772 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1612686
| [ 7368.414687] rcu: (t=6951330 jiffies g=53861 q=1581 ncpus=4)
[ 7368.414762] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7368.414826] Workqueue: mld mld_ifc_work
[ 7368.414857] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7368.414887] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 7368.414981] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 7368.415011] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 7368.415055] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 7368.415092] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 7368.415136] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 7368.415179] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 7368.415218] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 7368.415261] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7368.415297] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 7368.415341] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7368.415383] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7368.415421] PKRU: 55555554
[ 7368.415434] Call Trace:
[ 7368.415447]  <IRQ>
[ 7368.415465] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 7368.415496] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 7368.415526] ? notifier_call_chain (kernel/notifier.c:93) 
[ 7368.415557] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 7368.415588] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 7368.415618] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 7368.415649] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 7368.415680] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 7368.415704] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 7368.415735] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 7368.415766] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 7368.415796] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 7368.415827] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 7368.415857]  </IRQ>
[ 7368.415870]  <TASK>
[ 7368.415882] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 7368.415914] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7368.415938] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 7368.415963] __dev_queue_xmit (net/core/dev.c:4295) 
[ 7368.415987] ? eth_header (net/ethernet/eth.c:85) 
[ 7368.416014] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 7368.416038] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 7368.416069] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 7368.416093] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 7368.416118] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 7368.416143] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 7368.416167] process_one_work (kernel/workqueue.c:3254) 
[ 7368.416191] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7368.416222] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 7368.416246] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7368.416277] kthread (kernel/kthread.c:388) 
[ 7368.416301] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7368.416325] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 7368.416350] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7368.416374] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 7410.747488] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 6966779 jiffies s: 6153 root: 0x1/.
| [ 7410.747683] rcu: blocking rcu_node structures (internal RCU debug):
| [ 7410.747728] Sending NMI from CPU 1 to CPUs 0:
| [ 7410.747771] NMI backtrace for cpu 0
[ 7410.747778] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7410.747779] Workqueue: mld mld_ifc_work
[ 7410.747785] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7410.747788] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 7410.747789] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 7410.747791] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 7410.747792] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 7410.747793] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 7410.747793] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 7410.747794] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 7410.747797] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 7410.747798] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7410.747798] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 7410.747799] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7410.747800] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7410.747801] PKRU: 55555554
[ 7410.747801] Call Trace:
[ 7410.747803]  <NMI>
[ 7410.747805] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 7410.747809] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 7410.747813] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 7410.747818] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 7410.747820] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 7410.747822] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 7410.747825] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7410.747826] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7410.747827] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7410.747828]  </NMI>
[ 7410.747828]  <TASK>
[ 7410.747829] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 7410.747832] __dev_queue_xmit (net/core/dev.c:4295) 
[ 7410.747834] ? eth_header (net/ethernet/eth.c:85) 
[ 7410.747837] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 7410.747840] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 7410.747842] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 7410.747845] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 7410.747847] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 7410.747850] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 7410.747852] process_one_work (kernel/workqueue.c:3254) 
[ 7410.747856] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7410.747858] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 7410.747860] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7410.747862] kthread (kernel/kthread.c:388) 
[ 7410.747864] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7410.747865] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 7410.747870] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7410.747871] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 7410.747875]  </TASK>
| [ 7431.417478] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 7431.417628] rcu: 0-....: (7018775 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1627722
| [ 7431.417685] rcu: (t=7014333 jiffies g=53861 q=1581 ncpus=4)
[ 7431.417759] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7431.417822] Workqueue: mld mld_ifc_work
[ 7431.417848] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7431.417879] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 7431.417973] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 7431.418003] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 7431.418047] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 7431.418084] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 7431.418122] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 7431.418160] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 7431.418200] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 7431.418242] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7431.418278] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 7431.418317] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7431.418360] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7431.418398] PKRU: 55555554
[ 7431.418410] Call Trace:
[ 7431.418424]  <IRQ>
[ 7431.418442] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 7431.418472] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 7431.418503] ? notifier_call_chain (kernel/notifier.c:93) 
[ 7431.418534] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 7431.418564] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 7431.418595] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 7431.418626] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 7431.418656] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 7431.418681] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 7431.418711] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 7431.418742] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 7431.418773] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 7431.418803] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 7431.418834]  </IRQ>
[ 7431.418847]  <TASK>
[ 7431.418859] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 7431.418891] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7431.418915] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 7431.418940] __dev_queue_xmit (net/core/dev.c:4295) 
[ 7431.418964] ? eth_header (net/ethernet/eth.c:85) 
[ 7431.418989] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 7431.419013] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 7431.419043] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 7431.419068] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 7431.419092] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 7431.419117] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 7431.419141] process_one_work (kernel/workqueue.c:3254) 
[ 7431.419165] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7431.419195] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 7431.419220] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7431.419250] kthread (kernel/kthread.c:388) 
[ 7431.419275] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7431.419299] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 7431.419324] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7431.419348] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 7476.282488] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 7032314 jiffies s: 6153 root: 0x1/.
| [ 7476.282608] rcu: blocking rcu_node structures (internal RCU debug):
| [ 7476.282656] Sending NMI from CPU 1 to CPUs 0:
| [ 7476.282700] NMI backtrace for cpu 0
[ 7476.282706] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7476.282707] Workqueue: mld mld_ifc_work
[ 7476.282714] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7476.282717] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 7476.282719] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 7476.282720] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 7476.282721] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 7476.282722] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 7476.282723] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 7476.282724] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 7476.282726] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 7476.282728] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7476.282728] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 7476.282729] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7476.282730] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7476.282731] PKRU: 55555554
[ 7476.282732] Call Trace:
[ 7476.282734]  <NMI>
[ 7476.282736] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 7476.282739] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 7476.282744] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 7476.282748] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 7476.282751] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 7476.282752] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 7476.282756] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7476.282757] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7476.282758] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7476.282760]  </NMI>
[ 7476.282760]  <TASK>
[ 7476.282761] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 7476.282764] __dev_queue_xmit (net/core/dev.c:4295) 
[ 7476.282766] ? eth_header (net/ethernet/eth.c:85) 
[ 7476.282769] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 7476.282773] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 7476.282774] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 7476.282778] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 7476.282780] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 7476.282782] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 7476.282784] process_one_work (kernel/workqueue.c:3254) 
[ 7476.282788] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7476.282790] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 7476.282792] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7476.282794] kthread (kernel/kthread.c:388) 
[ 7476.282796] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7476.282798] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 7476.282801] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7476.282803] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 7476.282806]  </TASK>
| [ 7494.420478] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 7494.420632] rcu: 0-....: (7081778 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1642221
| [ 7494.420690] rcu: (t=7077336 jiffies g=53861 q=1581 ncpus=4)
[ 7494.420771] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7494.420835] Workqueue: mld mld_ifc_work
[ 7494.420867] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7494.420898] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 7494.420992] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 7494.421023] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 7494.421066] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 7494.421110] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 7494.421147] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 7494.421191] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 7494.421230] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 7494.421273] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7494.421309] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 7494.421353] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7494.421396] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7494.421434] PKRU: 55555554
[ 7494.421446] Call Trace:
[ 7494.421462]  <IRQ>
[ 7494.421482] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 7494.421517] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 7494.421548] ? notifier_call_chain (kernel/notifier.c:93) 
[ 7494.421579] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 7494.421610] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 7494.421641] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 7494.421672] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 7494.421703] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 7494.421728] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 7494.421759] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 7494.421790] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 7494.421821] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 7494.421851] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 7494.421882]  </IRQ>
[ 7494.421895]  <TASK>
[ 7494.421907] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 7494.421939] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7494.421963] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 7494.421988] __dev_queue_xmit (net/core/dev.c:4295) 
[ 7494.422012] ? eth_header (net/ethernet/eth.c:85) 
[ 7494.422036] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 7494.422061] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 7494.422091] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 7494.422116] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 7494.422140] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 7494.422166] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 7494.422190] process_one_work (kernel/workqueue.c:3254) 
[ 7494.422214] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7494.422244] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 7494.422269] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7494.422300] kthread (kernel/kthread.c:388) 
[ 7494.422324] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7494.422349] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 7494.422373] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7494.422398] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 7541.818530] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 7097850 jiffies s: 6153 root: 0x1/.
| [ 7541.818649] rcu: blocking rcu_node structures (internal RCU debug):
| [ 7541.818699] Sending NMI from CPU 1 to CPUs 0:
| [ 7541.818746] NMI backtrace for cpu 0
[ 7541.818756] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7541.818757] Workqueue: mld mld_ifc_work
[ 7541.818763] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7541.818767] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 7541.818769] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 7541.818770] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 7541.818771] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 7541.818772] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 7541.818772] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 7541.818773] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 7541.818775] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 7541.818776] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7541.818777] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 7541.818778] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7541.818779] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7541.818780] PKRU: 55555554
[ 7541.818780] Call Trace:
[ 7541.818782]  <NMI>
[ 7541.818785] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 7541.818789] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 7541.818793] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 7541.818798] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 7541.818801] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 7541.818802] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 7541.818805] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7541.818806] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7541.818807] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7541.818808]  </NMI>
[ 7541.818809]  <TASK>
[ 7541.818809] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 7541.818813] __dev_queue_xmit (net/core/dev.c:4295) 
[ 7541.818815] ? eth_header (net/ethernet/eth.c:85) 
[ 7541.818817] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 7541.818820] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 7541.818822] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 7541.818826] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 7541.818828] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 7541.818830] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 7541.818832] process_one_work (kernel/workqueue.c:3254) 
[ 7541.818836] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7541.818839] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 7541.818841] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7541.818842] kthread (kernel/kthread.c:388) 
[ 7541.818845] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7541.818846] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 7541.818850] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7541.818851] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 7541.818854]  </TASK>
| [ 7557.423478] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 7557.423660] rcu: 0-....: (7144781 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1657145
| [ 7557.423716] rcu: (t=7140339 jiffies g=53861 q=1581 ncpus=4)
[ 7557.423791] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7557.423854] Workqueue: mld mld_ifc_work
[ 7557.423879] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7557.423909] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 7557.424004] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 7557.424035] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 7557.424079] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 7557.424122] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 7557.424166] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 7557.424210] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 7557.424249] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 7557.424292] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7557.424328] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 7557.424367] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7557.424410] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7557.424448] PKRU: 55555554
[ 7557.424461] Call Trace:
[ 7557.424475]  <IRQ>
[ 7557.424493] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 7557.424523] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 7557.424554] ? notifier_call_chain (kernel/notifier.c:93) 
[ 7557.424585] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 7557.424616] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 7557.424647] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 7557.424678] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 7557.424709] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 7557.424733] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 7557.424764] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 7557.424798] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 7557.424829] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 7557.424863] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 7557.424894]  </IRQ>
[ 7557.424909]  <TASK>
[ 7557.424922] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 7557.424954] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7557.424978] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 7557.425002] __dev_queue_xmit (net/core/dev.c:4295) 
[ 7557.425027] ? eth_header (net/ethernet/eth.c:85) 
[ 7557.425052] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 7557.425077] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 7557.425107] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 7557.425132] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 7557.425157] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 7557.425182] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 7557.425206] process_one_work (kernel/workqueue.c:3254) 
[ 7557.425232] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7557.425262] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 7557.425288] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7557.425318] kthread (kernel/kthread.c:388) 
[ 7557.425343] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7557.425367] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 7557.425392] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7557.425416] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 7607.355486] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 7163387 jiffies s: 6153 root: 0x1/.
| [ 7607.355691] rcu: blocking rcu_node structures (internal RCU debug):
| [ 7607.355741] Sending NMI from CPU 1 to CPUs 0:
| [ 7607.355786] NMI backtrace for cpu 0
[ 7607.355792] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7607.355793] Workqueue: mld mld_ifc_work
[ 7607.355798] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7607.355801] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 7607.355802] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 7607.355803] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 7607.355804] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 7607.355804] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 7607.355805] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 7607.355806] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 7607.355808] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 7607.355809] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7607.355810] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 7607.355811] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7607.355811] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7607.355812] PKRU: 55555554
[ 7607.355813] Call Trace:
[ 7607.355814]  <NMI>
[ 7607.355816] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 7607.355819] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 7607.355823] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 7607.355828] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 7607.355829] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 7607.355831] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 7607.355833] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7607.355834] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7607.355835] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7607.355836]  </NMI>
[ 7607.355837]  <TASK>
[ 7607.355837] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 7607.355840] __dev_queue_xmit (net/core/dev.c:4295) 
[ 7607.355842] ? eth_header (net/ethernet/eth.c:85) 
[ 7607.355844] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 7607.355847] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 7607.355849] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 7607.355852] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 7607.355854] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 7607.355856] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 7607.355858] process_one_work (kernel/workqueue.c:3254) 
[ 7607.355862] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7607.355864] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 7607.355866] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7607.355867] kthread (kernel/kthread.c:388) 
[ 7607.355869] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7607.355870] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 7607.355874] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7607.355875] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 7607.355878]  </TASK>
| [ 7620.426478] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 7620.426636] rcu: 0-....: (7207784 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1672405
| [ 7620.426692] rcu: (t=7203342 jiffies g=53861 q=1581 ncpus=4)
[ 7620.426767] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7620.426830] Workqueue: mld mld_ifc_work
[ 7620.426854] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7620.426885] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 7620.426980] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 7620.427010] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 7620.427054] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 7620.427097] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 7620.427135] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 7620.427173] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 7620.427213] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 7620.427256] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7620.427292] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 7620.427331] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7620.427374] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7620.427412] PKRU: 55555554
[ 7620.427424] Call Trace:
[ 7620.427438]  <IRQ>
[ 7620.427456] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 7620.427494] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 7620.427525] ? notifier_call_chain (kernel/notifier.c:93) 
[ 7620.427557] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 7620.427588] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 7620.427619] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 7620.427650] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 7620.427681] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 7620.427705] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 7620.427737] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 7620.427768] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 7620.427799] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 7620.427830] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 7620.427861]  </IRQ>
[ 7620.427873]  <TASK>
[ 7620.427886] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 7620.427918] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7620.427942] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 7620.427967] __dev_queue_xmit (net/core/dev.c:4295) 
[ 7620.427991] ? eth_header (net/ethernet/eth.c:85) 
[ 7620.428016] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 7620.428041] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 7620.428071] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 7620.428097] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 7620.428121] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 7620.428146] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 7620.428170] process_one_work (kernel/workqueue.c:3254) 
[ 7620.428195] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7620.428225] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 7620.428250] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7620.428281] kthread (kernel/kthread.c:388) 
[ 7620.428306] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7620.428331] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 7620.428355] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7620.428380] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 7672.891489] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 7228923 jiffies s: 6153 root: 0x1/.
| [ 7672.891683] rcu: blocking rcu_node structures (internal RCU debug):
| [ 7672.891729] Sending NMI from CPU 1 to CPUs 0:
| [ 7672.891773] NMI backtrace for cpu 0
[ 7672.891780] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7672.891781] Workqueue: mld mld_ifc_work
[ 7672.891788] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7672.891791] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 7672.891793] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 7672.891794] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 7672.891795] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 7672.891796] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 7672.891797] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 7672.891798] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 7672.891800] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 7672.891802] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7672.891803] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 7672.891804] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7672.891804] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7672.891805] PKRU: 55555554
[ 7672.891806] Call Trace:
[ 7672.891809]  <NMI>
[ 7672.891811] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 7672.891814] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 7672.891820] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 7672.891825] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 7672.891827] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 7672.891829] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 7672.891833] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7672.891834] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7672.891835] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7672.891836]  </NMI>
[ 7672.891837]  <TASK>
[ 7672.891838] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 7672.891842] __dev_queue_xmit (net/core/dev.c:4295) 
[ 7672.891844] ? eth_header (net/ethernet/eth.c:85) 
[ 7672.891847] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 7672.891851] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 7672.891853] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 7672.891857] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 7672.891859] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 7672.891862] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 7672.891864] process_one_work (kernel/workqueue.c:3254) 
[ 7672.891868] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7672.891870] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 7672.891872] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7672.891874] kthread (kernel/kthread.c:388) 
[ 7672.891877] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7672.891879] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 7672.891883] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7672.891885] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 7672.891888]  </TASK>
| [ 7683.429478] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 7683.429626] rcu: 0-....: (7270787 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1687351
| [ 7683.429683] rcu: (t=7266345 jiffies g=53861 q=1581 ncpus=4)
[ 7683.429758] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7683.429820] Workqueue: mld mld_ifc_work
[ 7683.429844] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7683.429875] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 7683.429969] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 7683.430000] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 7683.430043] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 7683.430087] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 7683.430130] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 7683.430168] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 7683.430207] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 7683.430250] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7683.430286] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 7683.430325] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7683.430367] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7683.430405] PKRU: 55555554
[ 7683.430417] Call Trace:
[ 7683.430430]  <IRQ>
[ 7683.430449] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 7683.430485] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 7683.430515] ? notifier_call_chain (kernel/notifier.c:93) 
[ 7683.430547] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 7683.430577] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 7683.430608] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 7683.430639] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 7683.430670] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 7683.430694] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 7683.430725] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 7683.430756] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 7683.430787] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 7683.430817] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 7683.430848]  </IRQ>
[ 7683.430861]  <TASK>
[ 7683.430874] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 7683.430905] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7683.430929] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 7683.430954] __dev_queue_xmit (net/core/dev.c:4295) 
[ 7683.430978] ? eth_header (net/ethernet/eth.c:85) 
[ 7683.431003] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 7683.431027] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 7683.431058] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 7683.431083] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 7683.431107] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 7683.431132] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 7683.431156] process_one_work (kernel/workqueue.c:3254) 
[ 7683.431180] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7683.431211] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 7683.431236] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7683.431267] kthread (kernel/kthread.c:388) 
[ 7683.431291] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7683.431316] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 7683.431340] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7683.431365] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 7738.427487] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 7294459 jiffies s: 6153 root: 0x1/.
| [ 7738.427651] rcu: blocking rcu_node structures (internal RCU debug):
| [ 7738.427711] Sending NMI from CPU 1 to CPUs 0:
| [ 7738.427765] NMI backtrace for cpu 0
[ 7738.427772] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7738.427774] Workqueue: mld mld_ifc_work
[ 7738.427781] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7738.427785] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 7738.427787] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 7738.427788] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 7738.427789] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 7738.427790] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 7738.427790] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 7738.427791] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 7738.427794] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 7738.427795] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7738.427795] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 7738.427796] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7738.427797] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7738.427798] PKRU: 55555554
[ 7738.427798] Call Trace:
[ 7738.427801]  <NMI>
[ 7738.427803] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 7738.427806] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 7738.427811] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 7738.427816] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 7738.427818] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 7738.427819] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 7738.427823] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7738.427824] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7738.427825] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7738.427826]  </NMI>
[ 7738.427826]  <TASK>
[ 7738.427827] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 7738.427831] __dev_queue_xmit (net/core/dev.c:4295) 
[ 7738.427833] ? eth_header (net/ethernet/eth.c:85) 
[ 7738.427836] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 7738.427840] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 7738.427842] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 7738.427846] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 7738.427849] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 7738.427852] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 7738.427854] process_one_work (kernel/workqueue.c:3254) 
[ 7738.427857] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7738.427859] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 7738.427861] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7738.427863] kthread (kernel/kthread.c:388) 
[ 7738.427865] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7738.427866] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 7738.427870] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7738.427871] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 7738.427875]  </TASK>
| [ 7746.432478] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 7746.432632] rcu: 0-....: (7333790 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1701925
| [ 7746.432692] rcu: (t=7329348 jiffies g=53861 q=1581 ncpus=4)
[ 7746.432767] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7746.432830] Workqueue: mld mld_ifc_work
[ 7746.432858] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7746.432889] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 7746.432982] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 7746.433013] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 7746.433056] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 7746.433094] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 7746.433132] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 7746.433170] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 7746.433214] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 7746.433257] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7746.433293] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 7746.433332] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7746.433375] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7746.433413] PKRU: 55555554
[ 7746.433425] Call Trace:
[ 7746.433439]  <IRQ>
[ 7746.433457] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 7746.433491] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 7746.433521] ? notifier_call_chain (kernel/notifier.c:93) 
[ 7746.433552] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 7746.433583] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 7746.433614] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 7746.433645] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 7746.433675] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 7746.433700] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 7746.433731] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 7746.433762] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 7746.433792] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 7746.433823] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 7746.433854]  </IRQ>
[ 7746.433866]  <TASK>
[ 7746.433879] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 7746.433910] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7746.433934] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 7746.433959] __dev_queue_xmit (net/core/dev.c:4295) 
[ 7746.433984] ? eth_header (net/ethernet/eth.c:85) 
[ 7746.434008] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 7746.434032] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 7746.434063] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 7746.434088] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 7746.434112] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 7746.434137] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 7746.434161] process_one_work (kernel/workqueue.c:3254) 
[ 7746.434186] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7746.434217] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 7746.434241] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7746.434272] kthread (kernel/kthread.c:388) 
[ 7746.434296] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7746.434321] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 7746.434345] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7746.434369] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 7803.963493] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 7359995 jiffies s: 6153 root: 0x1/.
| [ 7803.963683] rcu: blocking rcu_node structures (internal RCU debug):
| [ 7803.963728] Sending NMI from CPU 1 to CPUs 0:
| [ 7803.963778] NMI backtrace for cpu 0
[ 7803.963786] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7803.963788] Workqueue: mld mld_ifc_work
[ 7803.963796] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7803.963801] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 7803.963802] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 7803.963804] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 7803.963805] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 7803.963806] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 7803.963807] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 7803.963807] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 7803.963810] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 7803.963811] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7803.963812] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 7803.963813] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7803.963813] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7803.963814] PKRU: 55555554
[ 7803.963815] Call Trace:
[ 7803.963820]  <NMI>
[ 7803.963825] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 7803.963828] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 7803.963833] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 7803.963838] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 7803.963841] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 7803.963842] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 7803.963846] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7803.963847] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7803.963848] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7803.963850]  </NMI>
[ 7803.963850]  <TASK>
[ 7803.963851] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 7803.963855] __dev_queue_xmit (net/core/dev.c:4295) 
[ 7803.963857] ? eth_header (net/ethernet/eth.c:85) 
[ 7803.963860] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 7803.963864] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 7803.963865] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 7803.963869] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 7803.963872] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 7803.963875] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 7803.963877] process_one_work (kernel/workqueue.c:3254) 
[ 7803.963882] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7803.963883] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 7803.963886] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7803.963887] kthread (kernel/kthread.c:388) 
[ 7803.963890] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7803.963892] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 7803.963896] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7803.963897] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 7803.963902]  </TASK>
| [ 7809.435478] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 7809.435642] rcu: 0-....: (7396793 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1716876
| [ 7809.435699] rcu: (t=7392351 jiffies g=53861 q=1581 ncpus=4)
[ 7809.435773] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7809.435839] Workqueue: mld mld_ifc_work
[ 7809.435864] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7809.435896] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 7809.435990] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 7809.436020] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 7809.436064] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 7809.436102] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 7809.436140] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 7809.436183] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 7809.436222] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 7809.436265] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7809.436301] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 7809.436340] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7809.436383] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7809.436420] PKRU: 55555554
[ 7809.436433] Call Trace:
[ 7809.436447]  <IRQ>
[ 7809.436464] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 7809.436502] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 7809.436533] ? notifier_call_chain (kernel/notifier.c:93) 
[ 7809.436564] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 7809.436595] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 7809.436626] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 7809.436657] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 7809.436687] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 7809.436712] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 7809.436743] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 7809.436774] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 7809.436805] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 7809.436835] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 7809.436866]  </IRQ>
[ 7809.436878]  <TASK>
[ 7809.436891] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 7809.436922] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7809.436946] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 7809.436971] __dev_queue_xmit (net/core/dev.c:4295) 
[ 7809.436996] ? eth_header (net/ethernet/eth.c:85) 
[ 7809.437020] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 7809.437044] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 7809.437075] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 7809.437100] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 7809.437124] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 7809.437149] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 7809.437173] process_one_work (kernel/workqueue.c:3254) 
[ 7809.437197] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7809.437228] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 7809.437252] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7809.437283] kthread (kernel/kthread.c:388) 
[ 7809.437307] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7809.437332] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 7809.437356] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7809.437381] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 7869.498527] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 7425530 jiffies s: 6153 root: 0x1/.
| [ 7869.498664] rcu: blocking rcu_node structures (internal RCU debug):
| [ 7869.498712] Sending NMI from CPU 1 to CPUs 0:
| [ 7869.498760] NMI backtrace for cpu 0
[ 7869.498771] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7869.498773] Workqueue: mld mld_ifc_work
[ 7869.498781] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7869.498785] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 7869.498787] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 7869.498788] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 7869.498789] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 7869.498790] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 7869.498791] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 7869.498792] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 7869.498794] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 7869.498795] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7869.498796] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 7869.498797] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7869.498798] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7869.498798] PKRU: 55555554
[ 7869.498799] Call Trace:
[ 7869.498802]  <NMI>
[ 7869.498804] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 7869.498808] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 7869.498813] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 7869.498818] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 7869.498821] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 7869.498822] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 7869.498826] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7869.498827] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7869.498829] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7869.498830]  </NMI>
[ 7869.498830]  <TASK>
[ 7869.498830] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 7869.498835] __dev_queue_xmit (net/core/dev.c:4295) 
[ 7869.498837] ? eth_header (net/ethernet/eth.c:85) 
[ 7869.498840] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 7869.498845] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 7869.498846] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 7869.498851] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 7869.498854] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 7869.498857] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 7869.498859] process_one_work (kernel/workqueue.c:3254) 
[ 7869.498864] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7869.498866] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 7869.498868] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7869.498870] kthread (kernel/kthread.c:388) 
[ 7869.498872] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7869.498874] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 7869.498878] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7869.498879] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 7869.498884]  </TASK>
| [ 7872.438478] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 7872.438589] rcu: 0-....: (7459796 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1731973
| [ 7872.438676] rcu: (t=7455354 jiffies g=53861 q=1581 ncpus=4)
[ 7872.438783] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7872.438873] Workqueue: mld mld_ifc_work
[ 7872.438909] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7872.438944] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 7872.439088] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 7872.439128] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 7872.439185] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 7872.439241] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 7872.439302] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 7872.439357] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 7872.439420] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 7872.439478] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7872.439528] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 7872.439589] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7872.439648] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7872.439708] PKRU: 55555554
[ 7872.439728] Call Trace:
[ 7872.439747]  <IRQ>
[ 7872.439764] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 7872.439809] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 7872.439850] ? notifier_call_chain (kernel/notifier.c:93) 
[ 7872.439892] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 7872.439934] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 7872.439969] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 7872.440015] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 7872.440058] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 7872.440094] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 7872.440134] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 7872.440175] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 7872.440212] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 7872.440253] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 7872.440298]  </IRQ>
[ 7872.440318]  <TASK>
[ 7872.440338] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 7872.440381] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7872.440416] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 7872.440446] __dev_queue_xmit (net/core/dev.c:4295) 
[ 7872.440474] ? eth_header (net/ethernet/eth.c:85) 
[ 7872.440504] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 7872.440540] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 7872.440575] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 7872.440608] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 7872.440643] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 7872.440671] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 7872.440699] process_one_work (kernel/workqueue.c:3254) 
[ 7872.440733] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7872.440775] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 7872.440802] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7872.440846] kthread (kernel/kthread.c:388) 
[ 7872.440871] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7872.440902] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 7872.440931] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7872.440956] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 7935.034485] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 7491066 jiffies s: 6153 root: 0x1/.
| [ 7935.034672] rcu: blocking rcu_node structures (internal RCU debug):
| [ 7935.034718] Sending NMI from CPU 1 to CPUs 0:
| [ 7935.034763] NMI backtrace for cpu 0
[ 7935.034770] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7935.034772] Workqueue: mld mld_ifc_work
[ 7935.034779] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7935.034784] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 7935.034786] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 7935.034787] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 7935.034788] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 7935.034789] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 7935.034790] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 7935.034791] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 7935.034794] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 7935.034795] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7935.034796] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 7935.034797] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7935.034798] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7935.034798] PKRU: 55555554
[ 7935.034799] Call Trace:
[ 7935.034802]  <NMI>
[ 7935.034804] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 7935.034807] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 7935.034813] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 7935.034819] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 7935.034821] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 7935.034822] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 7935.034827] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7935.034828] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7935.034829] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7935.034830]  </NMI>
[ 7935.034830]  <TASK>
[ 7935.034831] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 7935.034836] __dev_queue_xmit (net/core/dev.c:4295) 
[ 7935.034837] ? eth_header (net/ethernet/eth.c:85) 
[ 7935.034842] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 7935.034846] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 7935.034848] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 7935.034852] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 7935.034855] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 7935.034857] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 7935.034859] process_one_work (kernel/workqueue.c:3254) 
[ 7935.034863] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7935.034865] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 7935.034867] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7935.034868] kthread (kernel/kthread.c:388) 
[ 7935.034871] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7935.034872] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 7935.034876] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7935.034877] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 7935.034882]  </TASK>
| [ 7935.441478] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 7935.441617] rcu: 0-....: (7522798 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1746622
| [ 7935.441678] rcu: (t=7518357 jiffies g=53861 q=1581 ncpus=4)
[ 7935.441756] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7935.441815] Workqueue: mld mld_ifc_work
[ 7935.441840] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7935.441872] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 7935.441968] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 7935.442000] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 7935.442041] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 7935.442081] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 7935.442119] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 7935.442158] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 7935.442198] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 7935.442243] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7935.442280] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 7935.442320] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7935.442364] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7935.442405] PKRU: 55555554
[ 7935.442419] Call Trace:
[ 7935.442433]  <IRQ>
[ 7935.442446] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 7935.442479] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 7935.442511] ? notifier_call_chain (kernel/notifier.c:93) 
[ 7935.442543] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 7935.442575] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 7935.442608] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 7935.442641] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 7935.442674] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 7935.442699] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 7935.442732] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 7935.442759] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 7935.442787] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 7935.442820] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 7935.442852]  </IRQ>
[ 7935.442866]  <TASK>
[ 7935.442880] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 7935.442913] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7935.442937] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 7935.442962] __dev_queue_xmit (net/core/dev.c:4295) 
[ 7935.442989] ? eth_header (net/ethernet/eth.c:85) 
[ 7935.443015] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 7935.443040] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 7935.443072] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 7935.443098] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 7935.443124] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 7935.443151] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 7935.443176] process_one_work (kernel/workqueue.c:3254) 
[ 7935.443203] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7935.443236] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 7935.443262] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7935.443295] kthread (kernel/kthread.c:388) 
[ 7935.443316] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7935.443336] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 7935.443362] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7935.443382] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 7935.443408]  </TASK>
| [ 7998.444479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 7998.444592] rcu: 0-....: (7585801 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1761468
| [ 7998.444688] rcu: (t=7581360 jiffies g=53861 q=1581 ncpus=4)
[ 7998.444773] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 7998.444844] Workqueue: mld mld_ifc_work
[ 7998.444881] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7998.444917] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 7998.445020] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 7998.445053] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 7998.445095] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 7998.445141] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 7998.445182] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 7998.445223] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 7998.445264] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 7998.445310] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 7998.445349] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 7998.445391] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 7998.445437] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 7998.445478] PKRU: 55555554
[ 7998.445491] Call Trace:
[ 7998.445510]  <IRQ>
[ 7998.445538] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 7998.445576] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 7998.445609] ? notifier_call_chain (kernel/notifier.c:93) 
[ 7998.445642] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 7998.445676] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 7998.445710] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 7998.445743] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 7998.445775] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 7998.445801] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 7998.445833] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 7998.445866] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 7998.445898] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 7998.445931] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 7998.445965]  </IRQ>
[ 7998.445978]  <TASK>
[ 7998.445992] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 7998.446026] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 7998.446052] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 7998.446079] __dev_queue_xmit (net/core/dev.c:4295) 
[ 7998.446105] ? eth_header (net/ethernet/eth.c:85) 
[ 7998.446134] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 7998.446160] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 7998.446192] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 7998.446219] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 7998.446245] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 7998.446270] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 7998.446295] process_one_work (kernel/workqueue.c:3254) 
[ 7998.446321] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7998.446352] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 7998.446378] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 7998.446409] kthread (kernel/kthread.c:388) 
[ 7998.446434] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7998.446460] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 7998.446485] ? __pfx_kthread (kernel/kthread.c:341) 
[ 7998.446510] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 8000.570487] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 7556602 jiffies s: 6153 root: 0x1/.
| [ 8000.570615] rcu: blocking rcu_node structures (internal RCU debug):
| [ 8000.570662] Sending NMI from CPU 1 to CPUs 0:
| [ 8000.570707] NMI backtrace for cpu 0
[ 8000.570719] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 8000.570720] Workqueue: mld mld_ifc_work
[ 8000.570723] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8000.570725] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 8000.570726] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 8000.570727] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 8000.570728] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 8000.570729] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 8000.570729] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 8000.570730] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 8000.570733] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 8000.570734] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8000.570735] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 8000.570735] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 8000.570736] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 8000.570737] PKRU: 55555554
[ 8000.570738] Call Trace:
[ 8000.570738]  <NMI>
[ 8000.570740] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 8000.570743] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 8000.570747] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 8000.570752] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 8000.570754] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 8000.570755] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 8000.570758] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8000.570759] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8000.570760] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8000.570761]  </NMI>
[ 8000.570761]  <TASK>
[ 8000.570761] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 8000.570763] __dev_queue_xmit (net/core/dev.c:4295) 
[ 8000.570765] ? eth_header (net/ethernet/eth.c:85) 
[ 8000.570767] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 8000.570769] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 8000.570770] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 8000.570773] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 8000.570775] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 8000.570777] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 8000.570778] process_one_work (kernel/workqueue.c:3254) 
[ 8000.570781] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8000.570782] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 8000.570784] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8000.570786] kthread (kernel/kthread.c:388) 
[ 8000.570787] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8000.570789] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 8000.570791] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8000.570792] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 8000.570795]  </TASK>
| [ 8061.447479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 8061.447645] rcu: 0-....: (7648803 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1776733
| [ 8061.447704] rcu: (t=7644363 jiffies g=53861 q=1581 ncpus=4)
[ 8061.447784] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 8061.447853] Workqueue: mld mld_ifc_work
[ 8061.447887] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8061.447922] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 8061.448018] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 8061.448049] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 8061.448094] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 8061.448140] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 8061.448182] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 8061.448223] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 8061.448266] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 8061.448312] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8061.448351] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 8061.448393] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 8061.448439] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 8061.448481] PKRU: 55555554
[ 8061.448495] Call Trace:
[ 8061.448511]  <IRQ>
[ 8061.448530] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 8061.448566] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 8061.448600] ? notifier_call_chain (kernel/notifier.c:93) 
[ 8061.448634] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 8061.448667] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 8061.448701] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 8061.448734] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 8061.448767] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 8061.448794] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 8061.448822] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 8061.448850] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 8061.448883] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 8061.448917] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 8061.448950]  </IRQ>
[ 8061.448963]  <TASK>
[ 8061.448978] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 8061.449012] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8061.449038] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 8061.449065] __dev_queue_xmit (net/core/dev.c:4295) 
[ 8061.449091] ? eth_header (net/ethernet/eth.c:85) 
[ 8061.449118] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 8061.449145] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 8061.449178] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 8061.449205] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 8061.449232] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 8061.449259] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 8061.449286] process_one_work (kernel/workqueue.c:3254) 
[ 8061.449316] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8061.449349] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 8061.449371] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8061.449404] kthread (kernel/kthread.c:388) 
[ 8061.449431] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8061.449452] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 8061.449478] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8061.449504] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 8066.107485] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 7622139 jiffies s: 6153 root: 0x1/.
| [ 8066.107682] rcu: blocking rcu_node structures (internal RCU debug):
| [ 8066.107728] Sending NMI from CPU 1 to CPUs 0:
| [ 8066.107772] NMI backtrace for cpu 0
[ 8066.107776] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 8066.107778] Workqueue: mld mld_ifc_work
[ 8066.107780] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8066.107782] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 8066.107783] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 8066.107784] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 8066.107785] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 8066.107786] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 8066.107786] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 8066.107787] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 8066.107789] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 8066.107790] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8066.107791] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 8066.107792] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 8066.107793] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 8066.107793] PKRU: 55555554
[ 8066.107794] Call Trace:
[ 8066.107795]  <NMI>
[ 8066.107796] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 8066.107798] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 8066.107802] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 8066.107807] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 8066.107809] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 8066.107810] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 8066.107813] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8066.107814] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8066.107815] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8066.107816]  </NMI>
[ 8066.107816]  <TASK>
[ 8066.107817] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 8066.107819] __dev_queue_xmit (net/core/dev.c:4295) 
[ 8066.107821] ? eth_header (net/ethernet/eth.c:85) 
[ 8066.107823] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 8066.107825] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 8066.107827] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 8066.107830] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 8066.107832] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 8066.107834] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 8066.107837] process_one_work (kernel/workqueue.c:3254) 
[ 8066.107839] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8066.107841] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 8066.107843] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8066.107845] kthread (kernel/kthread.c:388) 
[ 8066.107846] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8066.107847] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 8066.107850] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8066.107851] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 8066.107853]  </TASK>
| [ 8124.450479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 8124.450594] rcu: 0-....: (7711805 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1791912
| [ 8124.450674] rcu: (t=7707366 jiffies g=53861 q=1581 ncpus=4)
[ 8124.450779] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 8124.450863] Workqueue: mld mld_ifc_work
[ 8124.450902] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8124.450946] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 8124.451082] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 8124.451118] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 8124.451173] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 8124.451228] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 8124.451285] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 8124.451339] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 8124.451395] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 8124.451455] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8124.451506] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 8124.451562] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 8124.451625] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 8124.451682] PKRU: 55555554
[ 8124.451701] Call Trace:
[ 8124.451723]  <IRQ>
[ 8124.451747] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 8124.451795] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 8124.451832] ? notifier_call_chain (kernel/notifier.c:93) 
[ 8124.451876] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 8124.451920] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 8124.451957] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 8124.452001] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 8124.452048] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 8124.452082] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 8124.452119] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 8124.452156] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 8124.452192] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 8124.452236] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 8124.452279]  </IRQ>
[ 8124.452299]  <TASK>
[ 8124.452318] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 8124.452361] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8124.452393] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 8124.452428] __dev_queue_xmit (net/core/dev.c:4295) 
[ 8124.452463] ? eth_header (net/ethernet/eth.c:85) 
[ 8124.452496] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 8124.452530] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 8124.452574] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 8124.452607] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 8124.452641] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 8124.452676] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 8124.452710] process_one_work (kernel/workqueue.c:3254) 
[ 8124.452743] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8124.452785] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 8124.452813] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8124.452853] kthread (kernel/kthread.c:388) 
[ 8124.452886] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8124.452919] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 8124.452953] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8124.452979] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 8131.643487] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 7687675 jiffies s: 6153 root: 0x1/.
| [ 8131.643645] rcu: blocking rcu_node structures (internal RCU debug):
| [ 8131.643699] Sending NMI from CPU 1 to CPUs 0:
| [ 8131.643760] NMI backtrace for cpu 0
[ 8131.643764] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 8131.643766] Workqueue: mld mld_ifc_work
[ 8131.643769] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8131.643771] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 8131.643773] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 8131.643774] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 8131.643775] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 8131.643776] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 8131.643776] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 8131.643777] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 8131.643780] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 8131.643781] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8131.643782] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 8131.643783] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 8131.643784] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 8131.643785] PKRU: 55555554
[ 8131.643785] Call Trace:
[ 8131.643787]  <NMI>
[ 8131.643788] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 8131.643791] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 8131.643795] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 8131.643800] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 8131.643802] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 8131.643804] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 8131.643807] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8131.643808] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8131.643809] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8131.643810]  </NMI>
[ 8131.643810]  <TASK>
[ 8131.643811] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 8131.643813] __dev_queue_xmit (net/core/dev.c:4295) 
[ 8131.643815] ? eth_header (net/ethernet/eth.c:85) 
[ 8131.643817] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 8131.643819] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 8131.643820] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 8131.643824] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 8131.643826] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 8131.643828] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 8131.643829] process_one_work (kernel/workqueue.c:3254) 
[ 8131.643832] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8131.643834] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 8131.643836] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8131.643838] kthread (kernel/kthread.c:388) 
[ 8131.643840] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8131.643841] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 8131.643844] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8131.643846] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 8131.643848]  </TASK>
| [ 8187.453479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 8187.453610] rcu: 0-....: (7774807 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1806091
| [ 8187.453691] rcu: (t=7770369 jiffies g=53861 q=1581 ncpus=4)
[ 8187.453799] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 8187.453887] Workqueue: mld mld_ifc_work
[ 8187.453924] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8187.453971] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 8187.454097] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 8187.454132] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 8187.454186] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 8187.454242] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 8187.454298] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 8187.454354] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 8187.454413] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 8187.454474] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8187.454528] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 8187.454581] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 8187.454640] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 8187.454699] PKRU: 55555554
[ 8187.454720] Call Trace:
[ 8187.454741]  <IRQ>
[ 8187.454765] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 8187.454809] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 8187.454850] ? notifier_call_chain (kernel/notifier.c:93) 
[ 8187.454893] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 8187.454938] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 8187.454974] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 8187.455018] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 8187.455060] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 8187.455095] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 8187.455131] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 8187.455167] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 8187.455207] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 8187.455250] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 8187.455290]  </IRQ>
[ 8187.455307]  <TASK>
[ 8187.455324] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 8187.455366] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8187.455397] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 8187.455432] __dev_queue_xmit (net/core/dev.c:4295) 
[ 8187.455459] ? eth_header (net/ethernet/eth.c:85) 
[ 8187.455493] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 8187.455527] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 8187.455567] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 8187.455601] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 8187.455632] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 8187.455664] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 8187.455693] process_one_work (kernel/workqueue.c:3254) 
[ 8187.455722] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8187.455760] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 8187.455787] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8187.455828] kthread (kernel/kthread.c:388) 
[ 8187.455861] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8187.455893] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 8187.455925] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8187.455957] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 8197.178518] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 7753210 jiffies s: 6153 root: 0x1/.
| [ 8197.178704] rcu: blocking rcu_node structures (internal RCU debug):
| [ 8197.178751] Sending NMI from CPU 1 to CPUs 0:
| [ 8197.178796] NMI backtrace for cpu 0
[ 8197.178802] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 8197.178803] Workqueue: mld mld_ifc_work
[ 8197.178806] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8197.178808] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 8197.178810] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 8197.178811] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 8197.178812] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 8197.178812] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 8197.178813] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 8197.178814] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 8197.178816] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 8197.178817] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8197.178818] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 8197.178818] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 8197.178819] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 8197.178820] PKRU: 55555554
[ 8197.178820] Call Trace:
[ 8197.178821]  <NMI>
[ 8197.178823] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 8197.178826] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 8197.178831] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 8197.178835] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 8197.178837] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 8197.178838] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 8197.178842] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8197.178843] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8197.178844] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8197.178845]  </NMI>
[ 8197.178845]  <TASK>
[ 8197.178846] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 8197.178848] __dev_queue_xmit (net/core/dev.c:4295) 
[ 8197.178850] ? eth_header (net/ethernet/eth.c:85) 
[ 8197.178852] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 8197.178855] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 8197.178856] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 8197.178860] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 8197.178862] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 8197.178865] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 8197.178867] process_one_work (kernel/workqueue.c:3254) 
[ 8197.178870] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8197.178872] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 8197.178874] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8197.178876] kthread (kernel/kthread.c:388) 
[ 8197.178878] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8197.178880] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 8197.178883] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8197.178884] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 8197.178887]  </TASK>
| [ 8250.456479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 8250.456652] rcu: 0-....: (7837809 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1820283
| [ 8250.456712] rcu: (t=7833372 jiffies g=53861 q=1581 ncpus=4)
[ 8250.456789] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 8250.456853] Workqueue: mld mld_ifc_work
[ 8250.456886] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8250.456922] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 8250.457022] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 8250.457055] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 8250.457095] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 8250.457134] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 8250.457173] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 8250.457211] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 8250.457252] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 8250.457296] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8250.457334] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 8250.457374] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 8250.457417] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 8250.457456] PKRU: 55555554
[ 8250.457469] Call Trace:
[ 8250.457485]  <IRQ>
[ 8250.457503] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 8250.457539] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 8250.457572] ? notifier_call_chain (kernel/notifier.c:93) 
[ 8250.457606] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 8250.457639] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 8250.457672] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 8250.457705] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 8250.457738] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 8250.457764] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 8250.457797] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 8250.457825] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 8250.457858] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 8250.457891] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 8250.457925]  </IRQ>
[ 8250.457939]  <TASK>
[ 8250.457953] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 8250.457987] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8250.458012] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 8250.458039] __dev_queue_xmit (net/core/dev.c:4295) 
[ 8250.458066] ? eth_header (net/ethernet/eth.c:85) 
[ 8250.458092] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 8250.458119] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 8250.458152] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 8250.458179] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 8250.458205] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 8250.458232] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 8250.458258] process_one_work (kernel/workqueue.c:3254) 
[ 8250.458284] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8250.458317] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 8250.458344] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8250.458377] kthread (kernel/kthread.c:388) 
[ 8250.458404] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8250.458424] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 8250.458450] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8250.458471] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 8262.715486] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 7818747 jiffies s: 6153 root: 0x1/.
| [ 8262.715686] rcu: blocking rcu_node structures (internal RCU debug):
| [ 8262.715733] Sending NMI from CPU 1 to CPUs 0:
| [ 8262.715780] NMI backtrace for cpu 0
[ 8262.715785] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 8262.715786] Workqueue: mld mld_ifc_work
[ 8262.715792] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8262.715794] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 8262.715796] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 8262.715797] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 8262.715797] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 8262.715798] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 8262.715799] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 8262.715800] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 8262.715803] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 8262.715804] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8262.715805] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 8262.715806] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 8262.715807] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 8262.715807] PKRU: 55555554
[ 8262.715808] Call Trace:
[ 8262.715810]  <NMI>
[ 8262.715811] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 8262.715814] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 8262.715819] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 8262.715823] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 8262.715825] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 8262.715827] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 8262.715831] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8262.715832] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8262.715833] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8262.715834]  </NMI>
[ 8262.715835]  <TASK>
[ 8262.715835] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 8262.715838] __dev_queue_xmit (net/core/dev.c:4295) 
[ 8262.715840] ? eth_header (net/ethernet/eth.c:85) 
[ 8262.715844] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 8262.715846] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 8262.715847] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 8262.715851] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 8262.715853] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 8262.715855] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 8262.715857] process_one_work (kernel/workqueue.c:3254) 
[ 8262.715861] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8262.715863] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 8262.715865] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8262.715867] kthread (kernel/kthread.c:388) 
[ 8262.715869] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8262.715870] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 8262.715873] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8262.715875] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 8262.715878]  </TASK>
| [ 8313.459479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 8313.459649] rcu: 0-....: (7900811 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1834837
| [ 8313.459713] rcu: (t=7896375 jiffies g=53861 q=1581 ncpus=4)
[ 8313.459787] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 8313.459855] Workqueue: mld mld_ifc_work
[ 8313.459887] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8313.459920] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 8313.460023] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 8313.460056] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 8313.460097] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 8313.460138] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 8313.460178] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 8313.460219] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 8313.460261] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 8313.460307] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8313.460347] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 8313.460389] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 8313.460435] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 8313.460476] PKRU: 55555554
[ 8313.460489] Call Trace:
[ 8313.460504]  <IRQ>
[ 8313.460524] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 8313.460560] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 8313.460593] ? notifier_call_chain (kernel/notifier.c:93) 
[ 8313.460626] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 8313.460659] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 8313.460693] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 8313.460726] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 8313.460759] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 8313.460785] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 8313.460818] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 8313.460851] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 8313.460884] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 8313.460918] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 8313.460951]  </IRQ>
[ 8313.460965]  <TASK>
[ 8313.460978] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 8313.461012] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8313.461050] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 8313.461076] __dev_queue_xmit (net/core/dev.c:4295) 
[ 8313.461101] ? eth_header (net/ethernet/eth.c:85) 
[ 8313.461128] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 8313.461155] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 8313.461188] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 8313.461214] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 8313.461240] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 8313.461267] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 8313.461293] process_one_work (kernel/workqueue.c:3254) 
[ 8313.461319] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8313.461352] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 8313.461378] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8313.461411] kthread (kernel/kthread.c:388) 
[ 8313.461438] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8313.461459] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 8313.461485] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8313.461505] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 8328.250485] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 7884282 jiffies s: 6153 root: 0x1/.
| [ 8328.250672] rcu: blocking rcu_node structures (internal RCU debug):
| [ 8328.250718] Sending NMI from CPU 1 to CPUs 0:
| [ 8328.250764] NMI backtrace for cpu 0
[ 8328.250771] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 8328.250772] Workqueue: mld mld_ifc_work
[ 8328.250779] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8328.250783] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 8328.250784] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 8328.250785] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 8328.250786] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 8328.250787] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 8328.250788] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 8328.250789] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 8328.250792] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 8328.250793] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8328.250794] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 8328.250795] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 8328.250796] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 8328.250796] PKRU: 55555554
[ 8328.250797] Call Trace:
[ 8328.250799]  <NMI>
[ 8328.250801] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 8328.250804] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 8328.250809] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 8328.250814] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 8328.250817] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 8328.250818] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 8328.250822] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8328.250823] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8328.250824] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8328.250825]  </NMI>
[ 8328.250825]  <TASK>
[ 8328.250826] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 8328.250829] __dev_queue_xmit (net/core/dev.c:4295) 
[ 8328.250831] ? eth_header (net/ethernet/eth.c:85) 
[ 8328.250835] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 8328.250839] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 8328.250840] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 8328.250845] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 8328.250847] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 8328.250849] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 8328.250852] process_one_work (kernel/workqueue.c:3254) 
[ 8328.250856] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8328.250858] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 8328.250860] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8328.250861] kthread (kernel/kthread.c:388) 
[ 8328.250864] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8328.250865] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 8328.250869] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8328.250871] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 8328.250874]  </TASK>
| [ 8376.462487] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 8376.462632] rcu: 0-....: (7963813 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1848807
| [ 8376.462697] rcu: (t=7959378 jiffies g=53861 q=1581 ncpus=4)
[ 8376.462781] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 8376.462855] Workqueue: mld mld_ifc_work
[ 8376.462890] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8376.462928] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 8376.463029] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 8376.463062] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 8376.463104] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 8376.463146] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 8376.463186] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 8376.463228] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 8376.463272] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 8376.463319] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8376.463358] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 8376.463400] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 8376.463447] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 8376.463488] PKRU: 55555554
[ 8376.463502] Call Trace:
[ 8376.463521]  <IRQ>
[ 8376.463546] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 8376.463584] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 8376.463618] ? notifier_call_chain (kernel/notifier.c:93) 
[ 8376.463652] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 8376.463685] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 8376.463713] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 8376.463747] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 8376.463781] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 8376.463807] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 8376.463835] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 8376.463864] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 8376.463897] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 8376.463930] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 8376.463964]  </IRQ>
[ 8376.463978]  <TASK>
[ 8376.463992] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 8376.464026] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8376.464052] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 8376.464079] __dev_queue_xmit (net/core/dev.c:4295) 
[ 8376.464104] ? eth_header (net/ethernet/eth.c:85) 
[ 8376.464131] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 8376.464158] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 8376.464191] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 8376.464217] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 8376.464244] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 8376.464271] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 8376.464297] process_one_work (kernel/workqueue.c:3254) 
[ 8376.464324] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8376.464357] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 8376.464383] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8376.464417] kthread (kernel/kthread.c:388) 
[ 8376.464444] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8376.464470] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 8376.464497] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8376.464522] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 8393.786487] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 7949818 jiffies s: 6153 root: 0x1/.
| [ 8393.786673] rcu: blocking rcu_node structures (internal RCU debug):
| [ 8393.786721] Sending NMI from CPU 1 to CPUs 0:
| [ 8393.786772] NMI backtrace for cpu 0
[ 8393.786780] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 8393.786781] Workqueue: mld mld_ifc_work
[ 8393.786789] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8393.786792] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 8393.786794] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 8393.786795] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 8393.786796] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 8393.786797] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 8393.786798] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 8393.786799] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 8393.786802] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 8393.786803] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8393.786804] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 8393.786805] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 8393.786805] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 8393.786806] PKRU: 55555554
[ 8393.786807] Call Trace:
[ 8393.786809]  <NMI>
[ 8393.786811] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 8393.786814] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 8393.786820] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 8393.786825] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 8393.786827] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 8393.786829] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 8393.786833] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8393.786834] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8393.786835] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8393.786836]  </NMI>
[ 8393.786836]  <TASK>
[ 8393.786837] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 8393.786840] __dev_queue_xmit (net/core/dev.c:4295) 
[ 8393.786842] ? eth_header (net/ethernet/eth.c:85) 
[ 8393.786846] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 8393.786850] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 8393.786852] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 8393.786856] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 8393.786859] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 8393.786862] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 8393.786864] process_one_work (kernel/workqueue.c:3254) 
[ 8393.786869] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8393.786871] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 8393.786872] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8393.786874] kthread (kernel/kthread.c:388) 
[ 8393.786877] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8393.786879] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 8393.786884] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8393.786885] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 8393.786889]  </TASK>
| [ 8439.465479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 8439.465650] rcu: 0-....: (8026815 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1862287
| [ 8439.465710] rcu: (t=8022381 jiffies g=53861 q=1581 ncpus=4)
[ 8439.465793] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 8439.465858] Workqueue: mld mld_ifc_work
[ 8439.465892] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8439.465926] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 8439.466023] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 8439.466054] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 8439.466099] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 8439.466143] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 8439.466188] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 8439.466232] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 8439.466272] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 8439.466316] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8439.466353] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 8439.466393] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 8439.466437] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 8439.466476] PKRU: 55555554
[ 8439.466489] Call Trace:
[ 8439.466505]  <IRQ>
[ 8439.466524] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 8439.466562] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 8439.466596] ? notifier_call_chain (kernel/notifier.c:93) 
[ 8439.466629] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 8439.466662] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 8439.466696] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 8439.466729] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 8439.466763] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 8439.466789] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 8439.466817] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 8439.466845] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 8439.466878] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 8439.466912] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 8439.466945]  </IRQ>
[ 8439.466959]  <TASK>
[ 8439.466973] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 8439.467007] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8439.467033] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 8439.467059] __dev_queue_xmit (net/core/dev.c:4295) 
[ 8439.467085] ? eth_header (net/ethernet/eth.c:85) 
[ 8439.467112] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 8439.467138] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 8439.467171] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 8439.467198] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 8439.467224] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 8439.467252] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 8439.467277] process_one_work (kernel/workqueue.c:3254) 
[ 8439.467304] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8439.467337] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 8439.467363] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8439.467396] kthread (kernel/kthread.c:388) 
[ 8439.467422] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8439.467449] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 8439.467475] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8439.467501] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 8459.322484] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 8015354 jiffies s: 6153 root: 0x1/.
| [ 8459.322676] rcu: blocking rcu_node structures (internal RCU debug):
| [ 8459.322726] Sending NMI from CPU 1 to CPUs 0:
| [ 8459.322775] NMI backtrace for cpu 0
[ 8459.322783] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 8459.322784] Workqueue: mld mld_ifc_work
[ 8459.322792] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8459.322796] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 8459.322797] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 8459.322799] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 8459.322800] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 8459.322800] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 8459.322801] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 8459.322802] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 8459.322805] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 8459.322806] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8459.322807] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 8459.322807] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 8459.322808] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 8459.322809] PKRU: 55555554
[ 8459.322810] Call Trace:
[ 8459.322812]  <NMI>
[ 8459.322814] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 8459.322818] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 8459.322824] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 8459.322828] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 8459.322831] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 8459.322832] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 8459.322837] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8459.322838] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8459.322839] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8459.322840]  </NMI>
[ 8459.322841]  <TASK>
[ 8459.322841] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 8459.322845] __dev_queue_xmit (net/core/dev.c:4295) 
[ 8459.322847] ? eth_header (net/ethernet/eth.c:85) 
[ 8459.322851] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 8459.322855] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 8459.322857] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 8459.322861] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 8459.322863] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 8459.322866] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 8459.322868] process_one_work (kernel/workqueue.c:3254) 
[ 8459.322871] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8459.322873] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 8459.322875] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8459.322877] kthread (kernel/kthread.c:388) 
[ 8459.322879] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8459.322880] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 8459.322885] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8459.322886] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 8459.322890]  </TASK>
| [ 8502.468479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 8502.468650] rcu: 0-....: (8089817 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1875701
| [ 8502.468713] rcu: (t=8085384 jiffies g=53861 q=1581 ncpus=4)
[ 8502.468788] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 8502.468857] Workqueue: mld mld_ifc_work
[ 8502.468891] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8502.468927] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 8502.469030] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 8502.469063] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 8502.469104] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 8502.469146] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 8502.469187] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 8502.469229] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 8502.469272] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 8502.469318] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8502.469357] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 8502.469399] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 8502.469445] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 8502.469486] PKRU: 55555554
[ 8502.469499] Call Trace:
[ 8502.469514]  <IRQ>
[ 8502.469533] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 8502.469569] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 8502.469601] ? notifier_call_chain (kernel/notifier.c:93) 
[ 8502.469647] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 8502.469679] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 8502.469710] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 8502.469744] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 8502.469776] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 8502.469802] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 8502.469830] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 8502.469858] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 8502.469890] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 8502.469923] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 8502.469956]  </IRQ>
[ 8502.469969]  <TASK>
[ 8502.469981] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 8502.470015] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8502.470040] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 8502.470067] __dev_queue_xmit (net/core/dev.c:4295) 
[ 8502.470092] ? eth_header (net/ethernet/eth.c:85) 
[ 8502.470119] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 8502.470145] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 8502.470177] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 8502.470210] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 8502.470236] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 8502.470263] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 8502.470289] process_one_work (kernel/workqueue.c:3254) 
[ 8502.470315] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8502.470348] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 8502.470374] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8502.470407] kthread (kernel/kthread.c:388) 
[ 8502.470434] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8502.470460] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 8502.470489] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8502.470515] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 8524.859510] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 8080891 jiffies s: 6153 root: 0x1/.
| [ 8524.859701] rcu: blocking rcu_node structures (internal RCU debug):
| [ 8524.859746] Sending NMI from CPU 1 to CPUs 0:
| [ 8524.859792] NMI backtrace for cpu 0
[ 8524.859799] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 8524.859801] Workqueue: mld mld_ifc_work
[ 8524.859809] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8524.859813] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 8524.859814] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 8524.859815] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 8524.859816] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 8524.859817] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 8524.859818] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 8524.859818] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 8524.859821] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 8524.859822] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8524.859823] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 8524.859823] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 8524.859824] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 8524.859825] PKRU: 55555554
[ 8524.859825] Call Trace:
[ 8524.859828]  <NMI>
[ 8524.859830] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 8524.859834] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 8524.859839] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 8524.859845] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 8524.859848] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 8524.859849] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 8524.859853] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8524.859854] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8524.859855] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8524.859857]  </NMI>
[ 8524.859857]  <TASK>
[ 8524.859857] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 8524.859861] __dev_queue_xmit (net/core/dev.c:4295) 
[ 8524.859863] ? eth_header (net/ethernet/eth.c:85) 
[ 8524.859867] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 8524.859872] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 8524.859873] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 8524.859878] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 8524.859881] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 8524.859883] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 8524.859886] process_one_work (kernel/workqueue.c:3254) 
[ 8524.859890] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8524.859892] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 8524.859894] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8524.859896] kthread (kernel/kthread.c:388) 
[ 8524.859899] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8524.859901] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 8524.859905] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8524.859906] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 8524.859911]  </TASK>
| [ 8565.471479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 8565.471650] rcu: 0-....: (8152819 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1889145
| [ 8565.471717] rcu: (t=8148387 jiffies g=53861 q=1581 ncpus=4)
[ 8565.471801] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 8565.471866] Workqueue: mld mld_ifc_work
[ 8565.471903] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8565.471939] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 8565.472045] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 8565.472076] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 8565.472123] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 8565.472163] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 8565.472202] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 8565.472247] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 8565.472289] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 8565.472334] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8565.472373] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 8565.472414] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 8565.472458] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 8565.472499] PKRU: 55555554
[ 8565.472513] Call Trace:
[ 8565.472532]  <IRQ>
[ 8565.472557] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 8565.472596] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 8565.472629] ? notifier_call_chain (kernel/notifier.c:93) 
[ 8565.472662] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 8565.472698] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 8565.472732] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 8565.472765] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 8565.472798] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 8565.472825] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 8565.472858] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 8565.472886] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 8565.472919] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 8565.472952] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 8565.472986]  </IRQ>
[ 8565.473000]  <TASK>
[ 8565.473013] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 8565.473048] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8565.473073] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 8565.473100] __dev_queue_xmit (net/core/dev.c:4295) 
[ 8565.473126] ? eth_header (net/ethernet/eth.c:85) 
[ 8565.473156] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 8565.473183] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 8565.473215] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 8565.473245] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 8565.473271] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 8565.473298] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 8565.473325] process_one_work (kernel/workqueue.c:3254) 
[ 8565.473354] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8565.473387] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 8565.473413] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8565.473446] kthread (kernel/kthread.c:388) 
[ 8565.473473] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8565.473499] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 8565.473526] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8565.473547] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 8590.394481] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 8146426 jiffies s: 6153 root: 0x1/.
| [ 8590.394682] rcu: blocking rcu_node structures (internal RCU debug):
| [ 8590.394729] Sending NMI from CPU 1 to CPUs 0:
| [ 8590.394775] NMI backtrace for cpu 0
[ 8590.394792] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 8590.394795] Workqueue: mld mld_ifc_work
[ 8590.394802] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8590.394806] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 8590.394808] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 8590.394809] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 8590.394810] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 8590.394811] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 8590.394812] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 8590.394813] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 8590.394815] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 8590.394816] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8590.394817] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 8590.394818] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 8590.394819] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 8590.394819] PKRU: 55555554
[ 8590.394820] Call Trace:
[ 8590.394822]  <NMI>
[ 8590.394825] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 8590.394828] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 8590.394833] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 8590.394839] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 8590.394842] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 8590.394843] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 8590.394848] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8590.394849] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8590.394850] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8590.394851]  </NMI>
[ 8590.394852]  <TASK>
[ 8590.394852] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 8590.394856] __dev_queue_xmit (net/core/dev.c:4295) 
[ 8590.394858] ? eth_header (net/ethernet/eth.c:85) 
[ 8590.394862] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 8590.394866] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 8590.394867] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 8590.394872] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 8590.394874] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 8590.394877] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 8590.394879] process_one_work (kernel/workqueue.c:3254) 
[ 8590.394884] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8590.394885] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 8590.394888] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8590.394890] kthread (kernel/kthread.c:388) 
[ 8590.394893] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8590.394894] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 8590.394899] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8590.394900] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 8590.394905]  </TASK>
| [ 8628.474479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 8628.474660] rcu: 0-....: (8215821 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1902685
| [ 8628.474723] rcu: (t=8211390 jiffies g=53861 q=1581 ncpus=4)
[ 8628.474798] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 8628.474867] Workqueue: mld mld_ifc_work
[ 8628.474901] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8628.474938] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 8628.475039] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 8628.475071] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 8628.475113] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 8628.475154] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 8628.475195] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 8628.475236] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 8628.475279] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 8628.475325] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8628.475362] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 8628.475404] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 8628.475451] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 8628.475492] PKRU: 55555554
[ 8628.475505] Call Trace:
[ 8628.475521]  <IRQ>
[ 8628.475540] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 8628.475579] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 8628.475612] ? notifier_call_chain (kernel/notifier.c:93) 
[ 8628.475645] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 8628.475679] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 8628.475712] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 8628.475746] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 8628.475779] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 8628.475805] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 8628.475832] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 8628.475861] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 8628.475894] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 8628.475927] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 8628.475960]  </IRQ>
[ 8628.475974]  <TASK>
[ 8628.475988] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 8628.476022] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8628.476048] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 8628.476076] __dev_queue_xmit (net/core/dev.c:4295) 
[ 8628.476101] ? eth_header (net/ethernet/eth.c:85) 
[ 8628.476128] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 8628.476154] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 8628.476188] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 8628.476214] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 8628.476241] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 8628.476268] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 8628.476294] process_one_work (kernel/workqueue.c:3254) 
[ 8628.476320] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8628.476353] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 8628.476379] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8628.476412] kthread (kernel/kthread.c:388) 
[ 8628.476438] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8628.476464] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 8628.476490] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8628.476511] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 8655.930485] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 8211962 jiffies s: 6153 root: 0x1/.
| [ 8655.930673] rcu: blocking rcu_node structures (internal RCU debug):
| [ 8655.930720] Sending NMI from CPU 1 to CPUs 0:
| [ 8655.930764] NMI backtrace for cpu 0
[ 8655.930770] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 8655.930772] Workqueue: mld mld_ifc_work
[ 8655.930778] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8655.930781] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 8655.930783] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 8655.930784] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 8655.930785] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 8655.930786] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 8655.930787] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 8655.930788] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 8655.930790] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 8655.930791] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8655.930792] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 8655.930793] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 8655.930794] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 8655.930795] PKRU: 55555554
[ 8655.930795] Call Trace:
[ 8655.930797]  <NMI>
[ 8655.930799] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 8655.930803] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 8655.930809] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 8655.930813] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 8655.930816] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 8655.930817] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 8655.930821] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8655.930822] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8655.930823] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8655.930824]  </NMI>
[ 8655.930824]  <TASK>
[ 8655.930825] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 8655.930828] __dev_queue_xmit (net/core/dev.c:4295) 
[ 8655.930830] ? eth_header (net/ethernet/eth.c:85) 
[ 8655.930833] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 8655.930837] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 8655.930839] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 8655.930843] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 8655.930845] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 8655.930848] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 8655.930850] process_one_work (kernel/workqueue.c:3254) 
[ 8655.930853] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8655.930855] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 8655.930857] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8655.930859] kthread (kernel/kthread.c:388) 
[ 8655.930861] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8655.930862] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 8655.930865] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8655.930866] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 8655.930870]  </TASK>
| [ 8691.477479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 8691.477664] rcu: 0-....: (8278823 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1916305
| [ 8691.477726] rcu: (t=8274393 jiffies g=53861 q=1581 ncpus=4)
[ 8691.477800] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 8691.477861] Workqueue: mld mld_ifc_work
[ 8691.477894] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8691.477929] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 8691.478025] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 8691.478057] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 8691.478102] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 8691.478142] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 8691.478183] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 8691.478225] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 8691.478268] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 8691.478315] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8691.478354] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 8691.478396] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 8691.478440] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 8691.478480] PKRU: 55555554
[ 8691.478494] Call Trace:
[ 8691.478510]  <IRQ>
[ 8691.478529] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 8691.478568] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 8691.478600] ? notifier_call_chain (kernel/notifier.c:93) 
[ 8691.478634] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 8691.478666] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 8691.478698] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 8691.478729] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 8691.478761] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 8691.478786] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 8691.478817] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 8691.478849] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 8691.478881] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 8691.478912] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 8691.478943]  </IRQ>
[ 8691.478956]  <TASK>
[ 8691.478969] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 8691.479002] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8691.479026] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 8691.479053] __dev_queue_xmit (net/core/dev.c:4295) 
[ 8691.479079] ? eth_header (net/ethernet/eth.c:85) 
[ 8691.479105] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 8691.479132] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 8691.479164] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 8691.479191] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 8691.479217] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 8691.479244] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 8691.479270] process_one_work (kernel/workqueue.c:3254) 
[ 8691.479299] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8691.479331] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 8691.479358] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8691.479391] kthread (kernel/kthread.c:388) 
[ 8691.479417] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8691.479438] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 8691.479464] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8691.479490] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 8721.467484] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 8277499 jiffies s: 6153 root: 0x1/.
| [ 8721.467673] rcu: blocking rcu_node structures (internal RCU debug):
| [ 8721.467720] Sending NMI from CPU 1 to CPUs 0:
| [ 8721.467764] NMI backtrace for cpu 0
[ 8721.467773] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 8721.467775] Workqueue: mld mld_ifc_work
[ 8721.467783] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8721.467787] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 8721.467789] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 8721.467790] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 8721.467791] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 8721.467792] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 8721.467793] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 8721.467794] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 8721.467796] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 8721.467797] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8721.467798] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 8721.467799] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 8721.467800] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 8721.467800] PKRU: 55555554
[ 8721.467801] Call Trace:
[ 8721.467804]  <NMI>
[ 8721.467807] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 8721.467810] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 8721.467815] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 8721.467820] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 8721.467823] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 8721.467824] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 8721.467828] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8721.467829] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8721.467830] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8721.467832]  </NMI>
[ 8721.467832]  <TASK>
[ 8721.467832] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 8721.467836] __dev_queue_xmit (net/core/dev.c:4295) 
[ 8721.467838] ? eth_header (net/ethernet/eth.c:85) 
[ 8721.467843] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 8721.467848] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 8721.467850] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 8721.467854] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 8721.467857] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 8721.467859] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 8721.467861] process_one_work (kernel/workqueue.c:3254) 
[ 8721.467865] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8721.467866] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 8721.467868] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8721.467870] kthread (kernel/kthread.c:388) 
[ 8721.467873] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8721.467874] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 8721.467878] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8721.467879] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 8721.467884]  </TASK>
| [ 8754.480479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 8754.480649] rcu: 0-....: (8341825 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1929912
| [ 8754.480712] rcu: (t=8337396 jiffies g=53861 q=1581 ncpus=4)
[ 8754.480786] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 8754.480850] Workqueue: mld mld_ifc_work
[ 8754.480885] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8754.480917] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 8754.481019] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 8754.481052] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 8754.481098] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 8754.481139] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 8754.481180] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 8754.481221] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 8754.481264] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 8754.481310] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8754.481348] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 8754.481396] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 8754.481441] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 8754.481483] PKRU: 55555554
[ 8754.481501] Call Trace:
[ 8754.481517]  <IRQ>
[ 8754.481536] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 8754.481574] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 8754.481606] ? notifier_call_chain (kernel/notifier.c:93) 
[ 8754.481637] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 8754.481669] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 8754.481701] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 8754.481733] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 8754.481767] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 8754.481793] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 8754.481826] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 8754.481859] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 8754.481892] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 8754.481925] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 8754.481958]  </IRQ>
[ 8754.481971]  <TASK>
[ 8754.481984] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 8754.482016] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8754.482041] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 8754.482067] __dev_queue_xmit (net/core/dev.c:4295) 
[ 8754.482093] ? eth_header (net/ethernet/eth.c:85) 
[ 8754.482122] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 8754.482149] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 8754.482181] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 8754.482208] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 8754.482234] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 8754.482261] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 8754.482286] process_one_work (kernel/workqueue.c:3254) 
[ 8754.482312] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8754.482345] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 8754.482372] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8754.482404] kthread (kernel/kthread.c:388) 
[ 8754.482430] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8754.482456] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 8754.482482] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8754.482503] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 8787.003482] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 8343035 jiffies s: 6153 root: 0x1/.
| [ 8787.003671] rcu: blocking rcu_node structures (internal RCU debug):
| [ 8787.003719] Sending NMI from CPU 1 to CPUs 0:
| [ 8787.003764] NMI backtrace for cpu 0
[ 8787.003772] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 8787.003774] Workqueue: mld mld_ifc_work
[ 8787.003782] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8787.003786] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 8787.003788] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 8787.003790] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 8787.003791] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 8787.003792] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 8787.003793] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 8787.003794] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 8787.003796] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 8787.003797] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8787.003798] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 8787.003799] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 8787.003800] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 8787.003800] PKRU: 55555554
[ 8787.003801] Call Trace:
[ 8787.003804]  <NMI>
[ 8787.003806] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 8787.003809] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 8787.003815] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 8787.003820] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 8787.003823] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 8787.003824] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 8787.003828] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8787.003830] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8787.003831] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8787.003832]  </NMI>
[ 8787.003833]  <TASK>
[ 8787.003833] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 8787.003838] __dev_queue_xmit (net/core/dev.c:4295) 
[ 8787.003839] ? eth_header (net/ethernet/eth.c:85) 
[ 8787.003844] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 8787.003849] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 8787.003851] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 8787.003855] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 8787.003858] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 8787.003860] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 8787.003862] process_one_work (kernel/workqueue.c:3254) 
[ 8787.003867] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8787.003868] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 8787.003871] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8787.003872] kthread (kernel/kthread.c:388) 
[ 8787.003876] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8787.003877] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 8787.003882] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8787.003883] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 8787.003888]  </TASK>
| [ 8817.483479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 8817.483651] rcu: 0-....: (8404827 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1943427
| [ 8817.483711] rcu: (t=8400399 jiffies g=53861 q=1581 ncpus=4)
[ 8817.483797] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 8817.483863] Workqueue: mld mld_ifc_work
[ 8817.483896] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8817.483936] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 8817.484038] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 8817.484069] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 8817.484114] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 8817.484159] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 8817.484200] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 8817.484242] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 8817.484284] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 8817.484331] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8817.484369] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 8817.484410] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 8817.484456] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 8817.484495] PKRU: 55555554
[ 8817.484508] Call Trace:
[ 8817.484524]  <IRQ>
[ 8817.484542] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 8817.484576] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 8817.484607] ? notifier_call_chain (kernel/notifier.c:93) 
[ 8817.484639] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 8817.484670] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 8817.484702] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 8817.484734] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 8817.484767] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 8817.484793] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 8817.484826] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 8817.484859] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 8817.484892] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 8817.484925] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 8817.484958]  </IRQ>
[ 8817.484972]  <TASK>
[ 8817.484985] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 8817.485019] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8817.485043] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 8817.485069] __dev_queue_xmit (net/core/dev.c:4295) 
[ 8817.485093] ? eth_header (net/ethernet/eth.c:85) 
[ 8817.485118] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 8817.485144] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 8817.485175] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 8817.485201] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 8817.485226] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 8817.485251] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 8817.485277] process_one_work (kernel/workqueue.c:3254) 
[ 8817.485310] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8817.485341] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 8817.485367] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8817.485398] kthread (kernel/kthread.c:388) 
[ 8817.485424] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8817.485444] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 8817.485474] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8817.485500] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 8852.539520] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 8408571 jiffies s: 6153 root: 0x1/.
| [ 8852.539716] rcu: blocking rcu_node structures (internal RCU debug):
| [ 8852.539763] Sending NMI from CPU 1 to CPUs 0:
| [ 8852.539807] NMI backtrace for cpu 0
[ 8852.539815] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 8852.539817] Workqueue: mld mld_ifc_work
[ 8852.539825] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8852.539829] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 8852.539830] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 8852.539832] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 8852.539833] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 8852.539834] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 8852.539835] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 8852.539836] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 8852.539839] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 8852.539840] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8852.539841] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 8852.539842] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 8852.539842] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 8852.539843] PKRU: 55555554
[ 8852.539844] Call Trace:
[ 8852.539846]  <NMI>
[ 8852.539849] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 8852.539853] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 8852.539858] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 8852.539863] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 8852.539866] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 8852.539867] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 8852.539872] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8852.539873] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8852.539874] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8852.539875]  </NMI>
[ 8852.539875]  <TASK>
[ 8852.539876] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 8852.539880] __dev_queue_xmit (net/core/dev.c:4295) 
[ 8852.539882] ? eth_header (net/ethernet/eth.c:85) 
[ 8852.539886] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 8852.539891] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 8852.539893] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 8852.539897] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 8852.539899] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 8852.539902] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 8852.539904] process_one_work (kernel/workqueue.c:3254) 
[ 8852.539907] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8852.539909] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 8852.539911] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8852.539913] kthread (kernel/kthread.c:388) 
[ 8852.539916] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8852.539917] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 8852.539921] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8852.539922] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 8852.539927]  </TASK>
| [ 8880.486479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 8880.486636] rcu: 0-....: (8467829 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1956920
| [ 8880.486699] rcu: (t=8463402 jiffies g=53861 q=1581 ncpus=4)
[ 8880.486778] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 8880.486846] Workqueue: mld mld_ifc_work
[ 8880.486879] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8880.486912] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 8880.487013] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 8880.487046] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 8880.487092] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 8880.487133] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 8880.487175] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 8880.487216] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 8880.487259] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 8880.487305] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8880.487344] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 8880.487386] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 8880.487432] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 8880.487473] PKRU: 55555554
[ 8880.487487] Call Trace:
[ 8880.487502]  <IRQ>
[ 8880.487520] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 8880.487557] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 8880.487589] ? notifier_call_chain (kernel/notifier.c:93) 
[ 8880.487621] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 8880.487652] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 8880.487684] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 8880.487716] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 8880.487748] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 8880.487775] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 8880.487802] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 8880.487830] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 8880.487863] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 8880.487894] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 8880.487927]  </IRQ>
[ 8880.487941]  <TASK>
[ 8880.487955] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 8880.487989] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8880.488014] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 8880.488042] __dev_queue_xmit (net/core/dev.c:4295) 
[ 8880.488068] ? eth_header (net/ethernet/eth.c:85) 
[ 8880.488094] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 8880.488121] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 8880.488153] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 8880.488184] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 8880.488211] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 8880.488237] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 8880.488262] process_one_work (kernel/workqueue.c:3254) 
[ 8880.488293] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8880.488324] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 8880.488350] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8880.488381] kthread (kernel/kthread.c:388) 
[ 8880.488406] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8880.488431] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 8880.488456] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8880.488481] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 8918.075490] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 8474107 jiffies s: 6153 root: 0x1/.
| [ 8918.075697] rcu: blocking rcu_node structures (internal RCU debug):
| [ 8918.075745] Sending NMI from CPU 1 to CPUs 0:
| [ 8918.075799] NMI backtrace for cpu 0
[ 8918.075809] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 8918.075812] Workqueue: mld mld_ifc_work
[ 8918.075821] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8918.075826] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 8918.075828] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 8918.075830] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 8918.075831] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 8918.075832] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 8918.075833] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 8918.075833] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 8918.075836] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 8918.075837] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8918.075838] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 8918.075838] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 8918.075839] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 8918.075840] PKRU: 55555554
[ 8918.075840] Call Trace:
[ 8918.075847]  <NMI>
[ 8918.075854] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 8918.075857] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 8918.075863] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 8918.075868] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 8918.075872] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 8918.075873] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 8918.075878] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8918.075879] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8918.075880] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8918.075881]  </NMI>
[ 8918.075881]  <TASK>
[ 8918.075882] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 8918.075886] __dev_queue_xmit (net/core/dev.c:4295) 
[ 8918.075888] ? eth_header (net/ethernet/eth.c:85) 
[ 8918.075893] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 8918.075898] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 8918.075900] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 8918.075905] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 8918.075908] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 8918.075911] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 8918.075913] process_one_work (kernel/workqueue.c:3254) 
[ 8918.075918] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8918.075920] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 8918.075922] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8918.075924] kthread (kernel/kthread.c:388) 
[ 8918.075927] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8918.075928] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 8918.075933] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8918.075934] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 8918.075940]  </TASK>
| [ 8943.489479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 8943.489634] rcu: 0-....: (8530831 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1970478
| [ 8943.489696] rcu: (t=8526405 jiffies g=53861 q=1581 ncpus=4)
[ 8943.489776] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 8943.489839] Workqueue: mld mld_ifc_work
[ 8943.489872] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8943.489904] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 8943.490006] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 8943.490039] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 8943.490080] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 8943.490122] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 8943.490163] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 8943.490205] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 8943.490252] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 8943.490296] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8943.490332] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 8943.490372] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 8943.490416] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 8943.490455] PKRU: 55555554
[ 8943.490468] Call Trace:
[ 8943.490482]  <IRQ>
[ 8943.490502] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 8943.490539] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 8943.490572] ? notifier_call_chain (kernel/notifier.c:93) 
[ 8943.490605] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 8943.490638] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 8943.490670] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 8943.490702] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 8943.490736] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 8943.490761] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 8943.490793] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 8943.490825] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 8943.490856] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 8943.490887] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 8943.490918]  </IRQ>
[ 8943.490931]  <TASK>
[ 8943.490945] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 8943.490978] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8943.491003] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 8943.491029] __dev_queue_xmit (net/core/dev.c:4295) 
[ 8943.491054] ? eth_header (net/ethernet/eth.c:85) 
[ 8943.491079] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 8943.491104] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 8943.491135] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 8943.491164] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 8943.491189] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 8943.491215] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 8943.491239] process_one_work (kernel/workqueue.c:3254) 
[ 8943.491264] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8943.491297] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 8943.491323] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8943.491355] kthread (kernel/kthread.c:388) 
[ 8943.491381] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8943.491407] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 8943.491440] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8943.491465] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 8983.611484] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 8539643 jiffies s: 6153 root: 0x1/.
| [ 8983.611685] rcu: blocking rcu_node structures (internal RCU debug):
| [ 8983.611734] Sending NMI from CPU 1 to CPUs 0:
| [ 8983.611786] NMI backtrace for cpu 0
[ 8983.611798] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 8983.611800] Workqueue: mld mld_ifc_work
[ 8983.611808] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8983.611814] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 8983.611815] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 8983.611816] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 8983.611817] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 8983.611818] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 8983.611819] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 8983.611820] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 8983.611823] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 8983.611824] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 8983.611824] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 8983.611825] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 8983.611826] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 8983.611827] PKRU: 55555554
[ 8983.611828] Call Trace:
[ 8983.611830]  <NMI>
[ 8983.611834] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 8983.611837] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 8983.611843] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 8983.611848] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 8983.611851] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 8983.611853] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 8983.611857] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8983.611859] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8983.611860] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 8983.611861]  </NMI>
[ 8983.611861]  <TASK>
[ 8983.611862] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 8983.611866] __dev_queue_xmit (net/core/dev.c:4295) 
[ 8983.611868] ? eth_header (net/ethernet/eth.c:85) 
[ 8983.611873] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 8983.611878] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 8983.611879] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 8983.611884] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 8983.611887] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 8983.611890] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 8983.611892] process_one_work (kernel/workqueue.c:3254) 
[ 8983.611897] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8983.611899] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 8983.611901] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 8983.611903] kthread (kernel/kthread.c:388) 
[ 8983.611906] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8983.611908] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 8983.611913] ? __pfx_kthread (kernel/kthread.c:341) 
[ 8983.611914] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 8983.611919]  </TASK>
| [ 9006.492479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 9006.492643] rcu: 0-....: (8593833 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1983942
| [ 9006.492710] rcu: (t=8589408 jiffies g=53861 q=1581 ncpus=4)
[ 9006.492785] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 9006.492848] Workqueue: mld mld_ifc_work
[ 9006.492881] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 9006.492917] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 9006.493019] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 9006.493052] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 9006.493094] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 9006.493135] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 9006.493177] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 9006.493218] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 9006.493261] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 9006.493309] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9006.493348] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 9006.493390] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 9006.493436] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 9006.493478] PKRU: 55555554
[ 9006.493492] Call Trace:
[ 9006.493508]  <IRQ>
[ 9006.493527] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 9006.493567] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 9006.493601] ? notifier_call_chain (kernel/notifier.c:93) 
[ 9006.493634] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 9006.493668] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 9006.493701] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 9006.493735] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 9006.493768] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 9006.493794] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 9006.493822] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 9006.493856] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 9006.493889] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 9006.493922] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 9006.493955]  </IRQ>
[ 9006.493969]  <TASK>
[ 9006.493983] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 9006.494017] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 9006.494043] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 9006.494070] __dev_queue_xmit (net/core/dev.c:4295) 
[ 9006.494096] ? eth_header (net/ethernet/eth.c:85) 
[ 9006.494122] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 9006.494151] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 9006.494184] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 9006.494212] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 9006.494238] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 9006.494265] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 9006.494291] process_one_work (kernel/workqueue.c:3254) 
[ 9006.494317] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 9006.494350] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 9006.494378] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 9006.494411] kthread (kernel/kthread.c:388) 
[ 9006.494437] ? __pfx_kthread (kernel/kthread.c:341) 
[ 9006.494458] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 9006.494485] ? __pfx_kthread (kernel/kthread.c:341) 
[ 9006.494506] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 9049.147483] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 8605179 jiffies s: 6153 root: 0x1/.
| [ 9049.147672] rcu: blocking rcu_node structures (internal RCU debug):
| [ 9049.147719] Sending NMI from CPU 1 to CPUs 0:
| [ 9049.147764] NMI backtrace for cpu 0
[ 9049.147772] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 9049.147775] Workqueue: mld mld_ifc_work
[ 9049.147783] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 9049.147788] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 9049.147790] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 9049.147791] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 9049.147792] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 9049.147793] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 9049.147794] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 9049.147795] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 9049.147798] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 9049.147799] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9049.147800] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 9049.147801] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 9049.147802] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 9049.147803] PKRU: 55555554
[ 9049.147803] Call Trace:
[ 9049.147806]  <NMI>
[ 9049.147809] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 9049.147812] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 9049.147818] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 9049.147824] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 9049.147826] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 9049.147828] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 9049.147832] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 9049.147834] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 9049.147835] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 9049.147836]  </NMI>
[ 9049.147836]  <TASK>
[ 9049.147837] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 9049.147841] __dev_queue_xmit (net/core/dev.c:4295) 
[ 9049.147843] ? eth_header (net/ethernet/eth.c:85) 
[ 9049.147847] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 9049.147852] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 9049.147854] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 9049.147859] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 9049.147862] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 9049.147864] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 9049.147867] process_one_work (kernel/workqueue.c:3254) 
[ 9049.147872] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 9049.147873] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 9049.147876] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 9049.147877] kthread (kernel/kthread.c:388) 
[ 9049.147881] ? __pfx_kthread (kernel/kthread.c:341) 
[ 9049.147882] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 9049.147887] ? __pfx_kthread (kernel/kthread.c:341) 
[ 9049.147888] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 9049.147893]  </TASK>
| [ 9069.495479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 9069.495636] rcu: 0-....: (8656835 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=1997507
| [ 9069.495703] rcu: (t=8652411 jiffies g=53861 q=1581 ncpus=4)
[ 9069.495777] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 9069.495840] Workqueue: mld mld_ifc_work
[ 9069.495873] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 9069.495913] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 9069.496015] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 9069.496048] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 9069.496090] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 9069.496131] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 9069.496173] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 9069.496214] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 9069.496257] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 9069.496304] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9069.496342] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 9069.496384] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 9069.496430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 9069.496471] PKRU: 55555554
[ 9069.496484] Call Trace:
[ 9069.496501]  <IRQ>
[ 9069.496520] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 9069.496555] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 9069.496589] ? notifier_call_chain (kernel/notifier.c:93) 
[ 9069.496622] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 9069.496655] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 9069.496689] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 9069.496723] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 9069.496756] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 9069.496783] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 9069.496811] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 9069.496839] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 9069.496872] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 9069.496905] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 9069.496939]  </IRQ>
[ 9069.496952]  <TASK>
[ 9069.496966] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 9069.497000] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 9069.497026] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 9069.497053] __dev_queue_xmit (net/core/dev.c:4295) 
[ 9069.497079] ? eth_header (net/ethernet/eth.c:85) 
[ 9069.497105] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 9069.497132] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 9069.497164] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 9069.497191] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 9069.497218] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 9069.497244] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 9069.497270] process_one_work (kernel/workqueue.c:3254) 
[ 9069.497300] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 9069.497331] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 9069.497357] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 9069.497390] kthread (kernel/kthread.c:388) 
[ 9069.497417] ? __pfx_kthread (kernel/kthread.c:341) 
[ 9069.497442] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 9069.497469] ? __pfx_kthread (kernel/kthread.c:341) 
[ 9069.497489] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 9114.682485] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 8670714 jiffies s: 6153 root: 0x1/.
| [ 9114.682681] rcu: blocking rcu_node structures (internal RCU debug):
| [ 9114.682727] Sending NMI from CPU 1 to CPUs 0:
| [ 9114.682772] NMI backtrace for cpu 0
[ 9114.682787] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 9114.682791] Workqueue: mld mld_ifc_work
[ 9114.682803] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 9114.682808] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 9114.682809] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 9114.682811] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 9114.682812] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 9114.682814] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 9114.682815] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 9114.682815] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 9114.682818] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 9114.682819] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9114.682820] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 9114.682821] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 9114.682821] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 9114.682822] PKRU: 55555554
[ 9114.682823] Call Trace:
[ 9114.682827]  <NMI>
[ 9114.682833] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 9114.682838] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 9114.682844] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 9114.682849] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 9114.682852] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 9114.682853] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 9114.682858] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 9114.682859] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 9114.682860] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 9114.682862]  </NMI>
[ 9114.682862]  <TASK>
[ 9114.682863] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 9114.682867] __dev_queue_xmit (net/core/dev.c:4295) 
[ 9114.682869] ? eth_header (net/ethernet/eth.c:85) 
[ 9114.682874] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 9114.682879] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 9114.682881] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 9114.682886] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 9114.682888] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 9114.682891] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 9114.682893] process_one_work (kernel/workqueue.c:3254) 
[ 9114.682899] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 9114.682901] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 9114.682903] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 9114.682905] kthread (kernel/kthread.c:388) 
[ 9114.682908] ? __pfx_kthread (kernel/kthread.c:341) 
[ 9114.682909] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 9114.682914] ? __pfx_kthread (kernel/kthread.c:341) 
[ 9114.682915] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 9114.682920]  </TASK>
| [ 9132.498479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 9132.498637] rcu: 0-....: (8719837 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=2011056
| [ 9132.498703] rcu: (t=8715414 jiffies g=53861 q=1581 ncpus=4)
[ 9132.498783] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 9132.498852] Workqueue: mld mld_ifc_work
[ 9132.498885] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 9132.498917] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 9132.499019] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 9132.499052] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 9132.499094] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 9132.499135] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 9132.499176] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 9132.499217] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 9132.499259] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 9132.499306] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9132.499345] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 9132.499392] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 9132.499436] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 9132.499481] PKRU: 55555554
[ 9132.499494] Call Trace:
[ 9132.499509]  <IRQ>
[ 9132.499527] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 9132.499567] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 9132.499598] ? notifier_call_chain (kernel/notifier.c:93) 
[ 9132.499631] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 9132.499668] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 9132.499701] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 9132.499734] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 9132.499767] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 9132.499793] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 9132.499826] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 9132.499859] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 9132.499892] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 9132.499924] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 9132.499957]  </IRQ>
[ 9132.499971]  <TASK>
[ 9132.499984] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 9132.500018] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 9132.500044] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 9132.500070] __dev_queue_xmit (net/core/dev.c:4295) 
[ 9132.500096] ? eth_header (net/ethernet/eth.c:85) 
[ 9132.500126] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 9132.500152] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 9132.500184] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 9132.500211] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 9132.500237] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 9132.500264] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 9132.500288] process_one_work (kernel/workqueue.c:3254) 
[ 9132.500316] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 9132.500349] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 9132.500376] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 9132.500408] kthread (kernel/kthread.c:388) 
[ 9132.500435] ? __pfx_kthread (kernel/kthread.c:341) 
[ 9132.500455] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 9132.500481] ? __pfx_kthread (kernel/kthread.c:341) 
[ 9132.500502] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 9180.219516] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 8736251 jiffies s: 6153 root: 0x1/.
| [ 9180.219706] rcu: blocking rcu_node structures (internal RCU debug):
| [ 9180.219752] Sending NMI from CPU 1 to CPUs 0:
| [ 9180.219798] NMI backtrace for cpu 0
[ 9180.219806] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 9180.219808] Workqueue: mld mld_ifc_work
[ 9180.219816] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 9180.219820] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 9180.219822] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 9180.219823] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 9180.219825] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 9180.219826] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 9180.219826] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 9180.219827] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 9180.219830] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 9180.219832] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9180.219833] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 9180.219834] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 9180.219835] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 9180.219835] PKRU: 55555554
[ 9180.219836] Call Trace:
[ 9180.219839]  <NMI>
[ 9180.219841] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 9180.219845] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 9180.219850] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 9180.219855] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 9180.219858] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 9180.219859] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 9180.219865] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 9180.219866] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 9180.219867] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 9180.219868]  </NMI>
[ 9180.219868]  <TASK>
[ 9180.219869] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 9180.219873] __dev_queue_xmit (net/core/dev.c:4295) 
[ 9180.219875] ? eth_header (net/ethernet/eth.c:85) 
[ 9180.219880] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 9180.219885] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 9180.219887] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 9180.219892] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 9180.219895] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 9180.219897] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 9180.219899] process_one_work (kernel/workqueue.c:3254) 
[ 9180.219903] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 9180.219905] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 9180.219907] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 9180.219909] kthread (kernel/kthread.c:388) 
[ 9180.219911] ? __pfx_kthread (kernel/kthread.c:341) 
[ 9180.219912] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 9180.219917] ? __pfx_kthread (kernel/kthread.c:341) 
[ 9180.219918] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 9180.219923]  </TASK>
| [ 9195.501479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 9195.501573] rcu: 0-....: (8782839 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=2024655
| [ 9195.501640] rcu: (t=8778417 jiffies g=53861 q=1581 ncpus=4)
[ 9195.501720] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 9195.501782] Workqueue: mld mld_ifc_work
[ 9195.501814] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 9195.501847] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 9195.501947] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 9195.501980] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 9195.502021] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 9195.502062] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 9195.502103] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 9195.502143] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 9195.502184] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 9195.502230] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9195.502268] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 9195.502310] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 9195.502356] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 9195.502397] PKRU: 55555554
[ 9195.502411] Call Trace:
[ 9195.502427]  <IRQ>
[ 9195.502446] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 9195.502483] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 9195.502516] ? notifier_call_chain (kernel/notifier.c:93) 
[ 9195.502550] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 9195.502583] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 9195.502616] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 9195.502650] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 9195.502683] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 9195.502709] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 9195.502740] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 9195.502767] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 9195.502798] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 9195.502830] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 9195.502862]  </IRQ>
[ 9195.502875]  <TASK>
[ 9195.502888] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 9195.502920] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 9195.502945] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 9195.502970] __dev_queue_xmit (net/core/dev.c:4295) 
[ 9195.502995] ? eth_header (net/ethernet/eth.c:85) 
[ 9195.503020] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 9195.503045] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 9195.503076] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 9195.503102] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 9195.503127] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 9195.503153] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 9195.503177] process_one_work (kernel/workqueue.c:3254) 
[ 9195.503206] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 9195.503237] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 9195.503263] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 9195.503293] kthread (kernel/kthread.c:388) 
[ 9195.503318] ? __pfx_kthread (kernel/kthread.c:341) 
[ 9195.503343] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 9195.503369] ? __pfx_kthread (kernel/kthread.c:341) 
[ 9195.503390] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 9245.754484] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 8801786 jiffies s: 6153 root: 0x1/.
| [ 9245.754685] rcu: blocking rcu_node structures (internal RCU debug):
| [ 9245.754733] Sending NMI from CPU 1 to CPUs 0:
| [ 9245.754779] NMI backtrace for cpu 0
[ 9245.754787] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 9245.754790] Workqueue: mld mld_ifc_work
[ 9245.754798] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 9245.754802] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 9245.754804] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 9245.754806] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 9245.754806] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 9245.754807] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 9245.754808] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 9245.754809] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 9245.754812] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 9245.754813] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9245.754814] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 9245.754815] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 9245.754815] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 9245.754816] PKRU: 55555554
[ 9245.754817] Call Trace:
[ 9245.754820]  <NMI>
[ 9245.754822] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 9245.754826] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 9245.754832] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 9245.754838] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 9245.754841] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 9245.754842] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 9245.754847] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 9245.754848] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 9245.754849] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 9245.754850]  </NMI>
[ 9245.754851]  <TASK>
[ 9245.754851] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 9245.754855] __dev_queue_xmit (net/core/dev.c:4295) 
[ 9245.754857] ? eth_header (net/ethernet/eth.c:85) 
[ 9245.754862] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 9245.754867] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 9245.754869] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 9245.754873] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 9245.754876] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 9245.754878] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 9245.754880] process_one_work (kernel/workqueue.c:3254) 
[ 9245.754884] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 9245.754886] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 9245.754888] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 9245.754889] kthread (kernel/kthread.c:388) 
[ 9245.754892] ? __pfx_kthread (kernel/kthread.c:341) 
[ 9245.754893] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 9245.754898] ? __pfx_kthread (kernel/kthread.c:341) 
[ 9245.754899] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 9245.754904]  </TASK>
| [ 9258.504479] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 9258.504634] rcu: 0-....: (8845842 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=2038166
| [ 9258.504701] rcu: (t=8841420 jiffies g=53861 q=1581 ncpus=4)
[ 9258.504776] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 9258.504838] Workqueue: mld mld_ifc_work
[ 9258.504869] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 9258.504905] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 9258.505007] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 9258.505040] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 9258.505081] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 9258.505123] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 9258.505164] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 9258.505205] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 9258.505248] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 9258.505295] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9258.505333] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 9258.505375] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 9258.505421] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 9258.505462] PKRU: 55555554
[ 9258.505476] Call Trace:
[ 9258.505491]  <IRQ>
[ 9258.505510] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 9258.505545] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 9258.505578] ? notifier_call_chain (kernel/notifier.c:93) 
[ 9258.505612] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 9258.505645] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 9258.505679] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 9258.505712] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 9258.505745] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 9258.505772] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 9258.505800] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 9258.505827] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 9258.505861] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 9258.505893] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 9258.505927]  </IRQ>
[ 9258.505940]  <TASK>
[ 9258.505954] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 9258.505988] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 9258.506013] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 9258.506039] __dev_queue_xmit (net/core/dev.c:4295) 
[ 9258.506065] ? eth_header (net/ethernet/eth.c:85) 
[ 9258.506092] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 9258.506118] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 9258.506150] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 9258.506177] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 9258.506203] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 9258.506230] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 9258.506255] process_one_work (kernel/workqueue.c:3254) 
[ 9258.506282] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 9258.506314] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 9258.506341] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 9258.506373] kthread (kernel/kthread.c:388) 
[ 9258.506400] ? __pfx_kthread (kernel/kthread.c:341) 
[ 9258.506420] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 9258.506446] ? __pfx_kthread (kernel/kthread.c:341) 
[ 9258.506467] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 9311.291483] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 0-.... } 8867323 jiffies s: 6153 root: 0x1/.
| [ 9311.291669] rcu: blocking rcu_node structures (internal RCU debug):
| [ 9311.291715] Sending NMI from CPU 1 to CPUs 0:
| [ 9311.291761] NMI backtrace for cpu 0
[ 9311.291770] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 9311.291772] Workqueue: mld mld_ifc_work
[ 9311.291780] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 9311.291785] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 9311.291787] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 9311.291788] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 9311.291789] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 9311.291790] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 9311.291791] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 9311.291792] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 9311.291795] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 9311.291796] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9311.291797] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 9311.291798] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 9311.291799] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 9311.291800] PKRU: 55555554
[ 9311.291801] Call Trace:
[ 9311.291804]  <NMI>
[ 9311.291807] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) 
[ 9311.291811] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) 
[ 9311.291816] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) 
[ 9311.291821] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) 
[ 9311.291825] ? exc_nmi (arch/x86/kernel/nmi.c:546) 
[ 9311.291826] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) 
[ 9311.291831] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 9311.291832] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 9311.291833] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 9311.291835]  </NMI>
[ 9311.291835]  <TASK>
[ 9311.291836] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 9311.291840] __dev_queue_xmit (net/core/dev.c:4295) 
[ 9311.291842] ? eth_header (net/ethernet/eth.c:85) 
[ 9311.291846] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 9311.291851] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 9311.291853] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 9311.291858] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 9311.291861] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 9311.291864] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 9311.291866] process_one_work (kernel/workqueue.c:3254) 
[ 9311.291871] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 9311.291873] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 9311.291875] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 9311.291877] kthread (kernel/kthread.c:388) 
[ 9311.291880] ? __pfx_kthread (kernel/kthread.c:341) 
[ 9311.291881] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 9311.291886] ? __pfx_kthread (kernel/kthread.c:341) 
[ 9311.291888] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) 
| [ 9311.291892]  </TASK>
| [ 9321.507478] rcu: INFO: rcu_preempt self-detected stall on CPU
| [ 9321.507636] rcu: 0-....: (8908844 ticks this GP) idle=fd4c/1/0x4000000000000000 softirq=34653/34654 fqs=2051926
| [ 9321.507698] rcu: (t=8904423 jiffies g=53861 q=1581 ncpus=4)
[ 9321.507776] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014
[ 9321.507848] Workqueue: mld mld_ifc_work
[ 9321.507881] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 9321.507918] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00
All code
========
   0:	d2 74 16 8d          	shlb   %cl,-0x73(%rsi,%rdx,1)
   4:	42 ff 66 89          	rex.X jmp *-0x77(%rsi)
   8:	56                   	push   %rsi
   9:	2c 8b                	sub    $0x8b,%al
   b:	57                   	push   %rdi
   c:	28 0f                	sub    %cl,(%rdi)
   e:	b7 c8                	mov    $0xc8,%bh
  10:	39 ca                	cmp    %ecx,%edx
  12:	76 14                	jbe    0x28
  14:	c3                   	ret
  15:	cc                   	int3
  16:	cc                   	int3
  17:	cc                   	int3
  18:	cc                   	int3
  19:	66 89 56 2c          	mov    %dx,0x2c(%rsi)
  1d:	8b 57 28             	mov    0x28(%rdi),%edx
  20:	31 c9                	xor    %ecx,%ecx
  22:	31 c0                	xor    %eax,%eax
  24:	39 ca                	cmp    %ecx,%edx
  26:	77 ec                	ja     0x14
  28:	89 d6                	mov    %edx,%esi
  2a:*	29 f0                	sub    %esi,%eax		<-- trapping instruction
  2c:	0f b7 c8             	movzwl %ax,%ecx
  2f:	39 ca                	cmp    %ecx,%edx
  31:	76 f7                	jbe    0x2a
  33:	c3                   	ret
  34:	cc                   	int3
  35:	cc                   	int3
  36:	cc                   	int3
  37:	cc                   	int3
  38:	66                   	data16
  39:	0f                   	.byte 0xf
  3a:	1f                   	(bad)
  3b:	84 00                	test   %al,(%rax)
  3d:	00 00                	add    %al,(%rax)
	...

Code starting with the faulting instruction
===========================================
   0:	29 f0                	sub    %esi,%eax
   2:	0f b7 c8             	movzwl %ax,%ecx
   5:	39 ca                	cmp    %ecx,%edx
   7:	76 f7                	jbe    0x0
   9:	c3                   	ret
   a:	cc                   	int3
   b:	cc                   	int3
   c:	cc                   	int3
   d:	cc                   	int3
   e:	66                   	data16
   f:	0f                   	.byte 0xf
  10:	1f                   	(bad)
  11:	84 00                	test   %al,(%rax)
  13:	00 00                	add    %al,(%rax)
	...
[ 9321.508019] RSP: 0018:ffffc295802cfc00 EFLAGS: 00000246
[ 9321.508052] RAX: 0000000000000000 RBX: ffffa0c90194a000 RCX: 0000000000000000
[ 9321.508093] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffffa0c90194a000
[ 9321.508135] RBP: ffffa0c90204b400 R08: 0000000000000000 R09: 000000000000004c
[ 9321.508175] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020
[ 9321.508216] R13: ffffa0c90194a000 R14: 0000000000000000 R15: 0000000000000000
[ 9321.508259] FS:  0000000000000000(0000) GS:ffffa0c93ec00000(0000) knlGS:0000000000000000
[ 9321.508306] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 9321.508345] CR2: 00007fcba5b0e4e0 CR3: 000000001483e004 CR4: 0000000000770ef0
[ 9321.508387] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 9321.508433] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 9321.508475] PKRU: 55555554
[ 9321.508499] Call Trace:
[ 9321.508515]  <IRQ>
[ 9321.508534] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) 
[ 9321.508582] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) 
[ 9321.508615] ? notifier_call_chain (kernel/notifier.c:93) 
[ 9321.508648] ? timekeeping_update (kernel/time/timekeeping.c:770) 
[ 9321.508682] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) 
[ 9321.508714] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) 
[ 9321.508746] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) 
[ 9321.508780] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) 
[ 9321.508806] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) 
[ 9321.508834] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) 
[ 9321.508862] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) 
[ 9321.508895] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) 
[ 9321.508928] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) 
[ 9321.508961]  </IRQ>
[ 9321.508975]  <TASK>
[ 9321.508989] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) 
[ 9321.509022] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) 
[ 9321.509048] netdev_core_pick_tx (net/core/dev.c:4211) 
[ 9321.509075] __dev_queue_xmit (net/core/dev.c:4295) 
[ 9321.509101] ? eth_header (net/ethernet/eth.c:85) 
[ 9321.509128] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) 
[ 9321.509154] ? ip6_mc_hdr.constprop.0 (./include/linux/skbuff.h:2955 ./include/linux/ipv6.h:108 net/ipv6/mcast.c:1713) 
[ 9321.509187] ? kmem_cache_alloc (mm/slub.c:3843 mm/slub.c:3867) 
[ 9321.509214] ip6_finish_output (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) 
[ 9321.509240] mld_sendpack (net/ipv6/mcast.c:1822) 
[ 9321.509267] mld_ifc_work (net/ipv6/mcast.c:2652) 
[ 9321.509293] process_one_work (kernel/workqueue.c:3254) 
[ 9321.509322] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 9321.509355] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) 
[ 9321.509381] ? __pfx_worker_thread (kernel/workqueue.c:3362) 
[ 9321.509414] kthread (kernel/kthread.c:388) 
[ 9321.509441] ? __pfx_kthread (kernel/kthread.c:341) 
[ 9321.509462] ret_from_fork (arch/x86/kernel/process.c:147) 
[ 9321.509488] ? __pfx_kthread (kernel/kthread.c:341) 


Finger prints:
team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2
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