====================================== | [ 1.819200] team0 (unregistering): Port device dummy2 removed | [ 26.820386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 26.820495] rcu: 1-....: (24829 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=5139 | [ 26.820555] rcu: (t=21000 jiffies g=-219 q=355 ncpus=4) [ 26.820637] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 26.820718] Workqueue: mld mld_ifc_work [ 26.820752] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 26.820791] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 26.820897] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 26.820935] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 26.820984] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 26.821032] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 26.821081] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 26.821128] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 26.821178] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 26.821227] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.821268] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 26.821319] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 26.821365] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 26.821414] PKRU: 55555554 [ 26.821434] Call Trace: [ 26.821458] [ 26.821481] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 26.821518] ? 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) [ 26.821553] ? notifier_call_chain (kernel/notifier.c:93) [ 26.821587] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 26.821629] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 26.821663] ? 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) [ 26.821697] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 26.821735] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 26.821769] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 26.821803] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 26.821837] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 26.821872] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 26.821910] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 26.821947] [ 26.821966] [ 26.821986] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 26.822021] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 26.822048] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 26.822084] netdev_core_pick_tx (net/core/dev.c:4211) [ 26.822118] __dev_queue_xmit (net/core/dev.c:4295) [ 26.822147] ? eth_header (net/ethernet/eth.c:85) [ 26.822177] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 26.822209] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 26.822251] mld_sendpack (net/ipv6/mcast.c:1822) [ 26.822282] mld_ifc_work (net/ipv6/mcast.c:2652) [ 26.822310] process_one_work (kernel/workqueue.c:3254) [ 26.822341] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 26.822376] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 26.822403] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 26.822435] kthread (kernel/kthread.c:388) [ 26.822463] ? __pfx_kthread (kernel/kthread.c:341) [ 26.822490] ret_from_fork (arch/x86/kernel/process.c:147) [ 26.822517] ? __pfx_kthread (kernel/kthread.c:341) [ 26.822544] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 68.153411] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 21500 jiffies s: 77 root: 0x2/. | [ 68.153574] rcu: blocking rcu_node structures (internal RCU debug): | [ 68.153629] Sending NMI from CPU 2 to CPUs 1: | [ 68.153698] NMI backtrace for cpu 1 [ 68.153706] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 68.153709] Workqueue: mld mld_ifc_work [ 68.153719] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 68.153725] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 68.153727] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 68.153729] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 68.153730] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 68.153731] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 68.153732] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 68.153733] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 68.153736] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 68.153737] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 68.153738] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 68.153738] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 68.153739] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 68.153740] PKRU: 55555554 [ 68.153740] Call Trace: [ 68.153743] [ 68.153748] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 68.153752] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 68.153758] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 68.153764] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 68.153767] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 68.153768] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 68.153773] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 68.153775] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 68.153776] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 68.153777] [ 68.153778] [ 68.153779] netdev_core_pick_tx (net/core/dev.c:4211) [ 68.153785] __dev_queue_xmit (net/core/dev.c:4295) [ 68.153787] ? eth_header (net/ethernet/eth.c:85) [ 68.153792] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 68.153798] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 68.153801] mld_sendpack (net/ipv6/mcast.c:1822) [ 68.153805] mld_ifc_work (net/ipv6/mcast.c:2652) [ 68.153808] process_one_work (kernel/workqueue.c:3254) [ 68.153813] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 68.153814] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 68.153817] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 68.153818] kthread (kernel/kthread.c:388) [ 68.153821] ? __pfx_kthread (kernel/kthread.c:341) [ 68.153822] ret_from_fork (arch/x86/kernel/process.c:147) [ 68.153827] ? __pfx_kthread (kernel/kthread.c:341) [ 68.153828] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 68.153833] | [ 89.823387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 89.823492] rcu: 1-....: (87831 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=20764 | [ 89.823565] rcu: (t=84003 jiffies g=-219 q=799 ncpus=4) [ 89.823645] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 89.823714] Workqueue: mld mld_ifc_work [ 89.823755] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 89.823805] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 89.823926] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 89.823964] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 89.824013] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 89.824066] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 89.824115] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 89.824163] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 89.824216] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 89.824269] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.824314] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 89.824363] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 89.824415] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 89.824463] PKRU: 55555554 [ 89.824482] Call Trace: [ 89.824505] [ 89.824533] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 89.824575] ? 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) [ 89.824612] ? notifier_call_chain (kernel/notifier.c:93) [ 89.824650] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 89.824688] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 89.824723] ? 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) [ 89.824760] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 89.824798] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 89.824827] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 89.824861] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 89.824897] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 89.824931] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 89.824970] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 89.825009] [ 89.825028] [ 89.825048] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 89.825089] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 89.825119] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 89.825157] netdev_core_pick_tx (net/core/dev.c:4211) [ 89.825191] __dev_queue_xmit (net/core/dev.c:4295) [ 89.825222] ? eth_header (net/ethernet/eth.c:85) [ 89.825258] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 89.825292] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 89.825330] mld_sendpack (net/ipv6/mcast.c:1822) [ 89.825363] mld_ifc_work (net/ipv6/mcast.c:2652) [ 89.825394] process_one_work (kernel/workqueue.c:3254) [ 89.825429] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 89.825467] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 89.825494] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 89.825541] kthread (kernel/kthread.c:388) [ 89.825578] ? __pfx_kthread (kernel/kthread.c:341) [ 89.825608] ret_from_fork (arch/x86/kernel/process.c:147) [ 89.825642] ? __pfx_kthread (kernel/kthread.c:341) [ 89.825669] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 132.153406] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 85500 jiffies s: 77 root: 0x2/. | [ 132.153530] rcu: blocking rcu_node structures (internal RCU debug): | [ 132.153572] Sending NMI from CPU 2 to CPUs 1: | [ 132.153616] NMI backtrace for cpu 1 [ 132.153623] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 132.153625] Workqueue: mld mld_ifc_work [ 132.153632] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 132.153637] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 132.153638] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 132.153640] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 132.153641] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 132.153642] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 132.153643] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 132.153644] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 132.153647] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 132.153648] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 132.153649] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 132.153650] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 132.153650] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 132.153651] PKRU: 55555554 [ 132.153652] Call Trace: [ 132.153654] [ 132.153656] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 132.153661] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 132.153666] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 132.153673] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 132.153676] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 132.153677] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 132.153680] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 132.153682] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 132.153684] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 132.153685] [ 132.153686] [ 132.153686] netdev_core_pick_tx (net/core/dev.c:4211) [ 132.153691] __dev_queue_xmit (net/core/dev.c:4295) [ 132.153693] ? eth_header (net/ethernet/eth.c:85) [ 132.153697] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 132.153701] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 132.153703] mld_sendpack (net/ipv6/mcast.c:1822) [ 132.153707] mld_ifc_work (net/ipv6/mcast.c:2652) [ 132.153709] process_one_work (kernel/workqueue.c:3254) [ 132.153713] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 132.153715] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 132.153717] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 132.153718] kthread (kernel/kthread.c:388) [ 132.153720] ? __pfx_kthread (kernel/kthread.c:341) [ 132.153722] ret_from_fork (arch/x86/kernel/process.c:147) [ 132.153725] ? __pfx_kthread (kernel/kthread.c:341) [ 132.153726] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 132.153731] | [ 152.826386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 152.826490] rcu: 1-....: (150833 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=36380 | [ 152.826554] rcu: (t=147006 jiffies g=-219 q=799 ncpus=4) [ 152.826634] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 152.826715] Workqueue: mld mld_ifc_work [ 152.826750] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 152.826791] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 152.826906] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 152.826942] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 152.826992] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 152.827039] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 152.827086] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 152.827132] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 152.827180] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 152.827229] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 152.827273] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 152.827326] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 152.827374] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 152.827421] PKRU: 55555554 [ 152.827436] Call Trace: [ 152.827454] [ 152.827475] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 152.827515] ? 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) [ 152.827551] ? notifier_call_chain (kernel/notifier.c:93) [ 152.827590] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 152.827631] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 152.827669] ? 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) [ 152.827706] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 152.827743] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 152.827772] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 152.827810] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 152.827846] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 152.827882] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 152.827918] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 152.827954] [ 152.827969] [ 152.827984] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 152.828021] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 152.828049] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 152.828088] netdev_core_pick_tx (net/core/dev.c:4211) [ 152.828116] __dev_queue_xmit (net/core/dev.c:4295) [ 152.828144] ? eth_header (net/ethernet/eth.c:85) [ 152.828172] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 152.828202] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 152.828238] mld_sendpack (net/ipv6/mcast.c:1822) [ 152.828268] mld_ifc_work (net/ipv6/mcast.c:2652) [ 152.828300] process_one_work (kernel/workqueue.c:3254) [ 152.828331] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 152.828366] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 152.828393] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 152.828429] kthread (kernel/kthread.c:388) [ 152.828459] ? __pfx_kthread (kernel/kthread.c:341) [ 152.828488] ret_from_fork (arch/x86/kernel/process.c:147) [ 152.828517] ? __pfx_kthread (kernel/kthread.c:341) [ 152.828545] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 197.689396] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 151036 jiffies s: 77 root: 0x2/. | [ 197.689517] rcu: blocking rcu_node structures (internal RCU debug): | [ 197.689554] Sending NMI from CPU 2 to CPUs 1: | [ 197.689595] NMI backtrace for cpu 1 [ 197.689602] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 197.689604] Workqueue: mld mld_ifc_work [ 197.689612] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 197.689617] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 197.689618] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 197.689621] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 197.689622] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 197.689623] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 197.689624] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 197.689625] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 197.689628] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 197.689629] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 197.689630] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 197.689631] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 197.689631] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 197.689632] PKRU: 55555554 [ 197.689633] Call Trace: [ 197.689635] [ 197.689637] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 197.689640] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 197.689644] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 197.689648] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 197.689650] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 197.689652] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 197.689656] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 197.689657] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 197.689659] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 197.689660] [ 197.689660] [ 197.689661] netdev_core_pick_tx (net/core/dev.c:4211) [ 197.689665] __dev_queue_xmit (net/core/dev.c:4295) [ 197.689668] ? eth_header (net/ethernet/eth.c:85) [ 197.689671] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 197.689676] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 197.689678] mld_sendpack (net/ipv6/mcast.c:1822) [ 197.689682] mld_ifc_work (net/ipv6/mcast.c:2652) [ 197.689684] process_one_work (kernel/workqueue.c:3254) [ 197.689687] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 197.689689] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 197.689691] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 197.689692] kthread (kernel/kthread.c:388) [ 197.689694] ? __pfx_kthread (kernel/kthread.c:341) [ 197.689695] ret_from_fork (arch/x86/kernel/process.c:147) [ 197.689698] ? __pfx_kthread (kernel/kthread.c:341) [ 197.689699] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 197.689703] | [ 215.829386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 215.829494] rcu: 1-....: (213835 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=51994 | [ 215.829557] rcu: (t=210009 jiffies g=-219 q=799 ncpus=4) [ 215.829636] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 215.829712] Workqueue: mld mld_ifc_work [ 215.829747] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 215.829787] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 215.829898] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 215.829933] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 215.829985] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 215.830031] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 215.830077] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 215.830128] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 215.830175] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 215.830226] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 215.830269] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 215.830315] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 215.830366] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 215.830412] PKRU: 55555554 [ 215.830428] Call Trace: [ 215.830446] [ 215.830466] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 215.830506] ? 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) [ 215.830542] ? notifier_call_chain (kernel/notifier.c:93) [ 215.830577] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 215.830612] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 215.830649] ? 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) [ 215.830686] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 215.830725] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 215.830754] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 215.830791] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 215.830826] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 215.830864] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 215.830900] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 215.830936] [ 215.830951] [ 215.830967] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 215.831004] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 215.831032] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 215.831068] netdev_core_pick_tx (net/core/dev.c:4211) [ 215.831098] __dev_queue_xmit (net/core/dev.c:4295) [ 215.831127] ? eth_header (net/ethernet/eth.c:85) [ 215.831155] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 215.831185] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 215.831225] mld_sendpack (net/ipv6/mcast.c:1822) [ 215.831254] mld_ifc_work (net/ipv6/mcast.c:2652) [ 215.831282] process_one_work (kernel/workqueue.c:3254) [ 215.831311] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 215.831347] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 215.831377] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 215.831412] kthread (kernel/kthread.c:388) [ 215.831441] ? __pfx_kthread (kernel/kthread.c:341) [ 215.831469] ret_from_fork (arch/x86/kernel/process.c:147) [ 215.831499] ? __pfx_kthread (kernel/kthread.c:341) [ 215.831526] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 263.225408] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 216572 jiffies s: 77 root: 0x2/. | [ 263.225549] rcu: blocking rcu_node structures (internal RCU debug): | [ 263.225591] Sending NMI from CPU 2 to CPUs 1: | [ 263.225633] NMI backtrace for cpu 1 [ 263.225641] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 263.225643] Workqueue: mld mld_ifc_work [ 263.225650] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 263.225656] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 263.225658] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 263.225659] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 263.225660] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 263.225661] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 263.225662] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 263.225663] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 263.225665] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 263.225666] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 263.225667] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 263.225668] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 263.225669] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 263.225670] PKRU: 55555554 [ 263.225670] Call Trace: [ 263.225676] [ 263.225682] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 263.225685] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 263.225689] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 263.225693] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 263.225696] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 263.225697] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 263.225700] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 263.225702] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 263.225704] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 263.225705] [ 263.225706] [ 263.225706] netdev_core_pick_tx (net/core/dev.c:4211) [ 263.225710] __dev_queue_xmit (net/core/dev.c:4295) [ 263.225713] ? eth_header (net/ethernet/eth.c:85) [ 263.225716] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 263.225721] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 263.225723] mld_sendpack (net/ipv6/mcast.c:1822) [ 263.225727] mld_ifc_work (net/ipv6/mcast.c:2652) [ 263.225729] process_one_work (kernel/workqueue.c:3254) [ 263.225732] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 263.225734] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 263.225735] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 263.225737] kthread (kernel/kthread.c:388) [ 263.225739] ? __pfx_kthread (kernel/kthread.c:341) [ 263.225740] ret_from_fork (arch/x86/kernel/process.c:147) [ 263.225743] ? __pfx_kthread (kernel/kthread.c:341) [ 263.225744] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 263.225747] | [ 278.832387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 278.832501] rcu: 1-....: (276837 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=67580 | [ 278.832554] rcu: (t=273012 jiffies g=-219 q=799 ncpus=4) [ 278.832631] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 278.832699] Workqueue: mld mld_ifc_work [ 278.832730] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 278.832768] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 278.832867] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 278.832899] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 278.832944] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 278.832985] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 278.833025] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 278.833070] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 278.833112] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 278.833160] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 278.833198] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 278.833239] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 278.833283] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 278.833323] PKRU: 55555554 [ 278.833336] Call Trace: [ 278.833352] [ 278.833370] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 278.833407] ? 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) [ 278.833440] ? notifier_call_chain (kernel/notifier.c:93) [ 278.833472] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 278.833504] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 278.833536] ? 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) [ 278.833568] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 278.833600] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 278.833625] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 278.833652] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 278.833685] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 278.833716] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 278.833748] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 278.833780] [ 278.833794] [ 278.833807] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 278.833839] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 278.833865] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 278.833897] netdev_core_pick_tx (net/core/dev.c:4211) [ 278.833924] __dev_queue_xmit (net/core/dev.c:4295) [ 278.833949] ? eth_header (net/ethernet/eth.c:85) [ 278.833974] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 278.834000] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 278.834032] mld_sendpack (net/ipv6/mcast.c:1822) [ 278.834058] mld_ifc_work (net/ipv6/mcast.c:2652) [ 278.834084] process_one_work (kernel/workqueue.c:3254) [ 278.834110] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 278.834141] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 278.834167] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 278.834198] kthread (kernel/kthread.c:388) [ 278.834223] ? __pfx_kthread (kernel/kthread.c:341) [ 278.834244] ret_from_fork (arch/x86/kernel/process.c:147) [ 278.834269] ? __pfx_kthread (kernel/kthread.c:341) [ 278.834290] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 328.761403] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 282108 jiffies s: 77 root: 0x2/. | [ 328.761555] rcu: blocking rcu_node structures (internal RCU debug): | [ 328.761600] Sending NMI from CPU 2 to CPUs 1: | [ 328.761649] NMI backtrace for cpu 1 [ 328.761664] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 328.761666] Workqueue: mld mld_ifc_work [ 328.761673] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 328.761677] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 328.761679] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 328.761680] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 328.761681] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 328.761682] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 328.761683] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 328.761684] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 328.761686] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 328.761687] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 328.761688] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 328.761689] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 328.761690] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 328.761690] PKRU: 55555554 [ 328.761691] Call Trace: [ 328.761693] [ 328.761695] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 328.761697] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 328.761702] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 328.761706] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 328.761709] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 328.761710] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 328.761713] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 328.761715] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 328.761716] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 328.761718] [ 328.761718] [ 328.761719] netdev_core_pick_tx (net/core/dev.c:4211) [ 328.761723] __dev_queue_xmit (net/core/dev.c:4295) [ 328.761725] ? eth_header (net/ethernet/eth.c:85) [ 328.761728] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 328.761733] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 328.761735] mld_sendpack (net/ipv6/mcast.c:1822) [ 328.761738] mld_ifc_work (net/ipv6/mcast.c:2652) [ 328.761740] process_one_work (kernel/workqueue.c:3254) [ 328.761743] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 328.761745] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 328.761747] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 328.761749] kthread (kernel/kthread.c:388) [ 328.761750] ? __pfx_kthread (kernel/kthread.c:341) [ 328.761752] ret_from_fork (arch/x86/kernel/process.c:147) [ 328.761755] ? __pfx_kthread (kernel/kthread.c:341) [ 328.761756] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 328.761760] | [ 341.835386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 341.835503] rcu: 1-....: (339840 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=82860 | [ 341.835576] rcu: (t=336015 jiffies g=-219 q=807 ncpus=4) [ 341.835658] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 341.835731] Workqueue: mld mld_ifc_work [ 341.835766] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 341.835810] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 341.835936] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 341.835973] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 341.836028] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 341.836084] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 341.836140] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 341.836197] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 341.836255] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 341.836318] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 341.836350] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 341.836394] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 341.836435] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 341.836484] PKRU: 55555554 [ 341.836502] Call Trace: [ 341.836520] [ 341.836540] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 341.836585] ? 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) [ 341.836631] ? notifier_call_chain (kernel/notifier.c:93) [ 341.836676] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 341.836719] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 341.836758] ? 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) [ 341.836796] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 341.836841] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 341.836868] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 341.836903] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 341.836939] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 341.836970] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 341.837005] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 341.837045] [ 341.837063] [ 341.837082] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 341.837128] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 341.837156] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 341.837202] netdev_core_pick_tx (net/core/dev.c:4211) [ 341.837237] __dev_queue_xmit (net/core/dev.c:4295) [ 341.837269] ? eth_header (net/ethernet/eth.c:85) [ 341.837304] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 341.837337] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 341.837381] mld_sendpack (net/ipv6/mcast.c:1822) [ 341.837407] mld_ifc_work (net/ipv6/mcast.c:2652) [ 341.837439] process_one_work (kernel/workqueue.c:3254) [ 341.837473] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 341.837518] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 341.837546] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 341.837590] kthread (kernel/kthread.c:388) [ 341.837617] ? __pfx_kthread (kernel/kthread.c:341) [ 341.837646] ret_from_fork (arch/x86/kernel/process.c:147) [ 341.837680] ? __pfx_kthread (kernel/kthread.c:341) [ 341.837708] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 394.297400] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 347644 jiffies s: 77 root: 0x2/. | [ 394.297553] rcu: blocking rcu_node structures (internal RCU debug): | [ 394.297608] Sending NMI from CPU 2 to CPUs 1: | [ 394.297660] NMI backtrace for cpu 1 [ 394.297668] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 394.297670] Workqueue: mld mld_ifc_work [ 394.297677] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 394.297681] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 394.297683] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 394.297684] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 394.297686] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 394.297686] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 394.297687] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 394.297688] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 394.297691] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 394.297692] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 394.297693] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 394.297694] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 394.297694] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 394.297695] PKRU: 55555554 [ 394.297695] Call Trace: [ 394.297698] [ 394.297699] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 394.297703] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 394.297707] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 394.297711] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 394.297714] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 394.297715] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 394.297718] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 394.297720] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 394.297721] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 394.297723] [ 394.297723] [ 394.297724] netdev_core_pick_tx (net/core/dev.c:4211) [ 394.297729] __dev_queue_xmit (net/core/dev.c:4295) [ 394.297731] ? eth_header (net/ethernet/eth.c:85) [ 394.297734] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 394.297738] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 394.297741] mld_sendpack (net/ipv6/mcast.c:1822) [ 394.297744] mld_ifc_work (net/ipv6/mcast.c:2652) [ 394.297747] process_one_work (kernel/workqueue.c:3254) [ 394.297750] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 394.297752] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 394.297754] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 394.297755] kthread (kernel/kthread.c:388) [ 394.297758] ? __pfx_kthread (kernel/kthread.c:341) [ 394.297759] ret_from_fork (arch/x86/kernel/process.c:147) [ 394.297762] ? __pfx_kthread (kernel/kthread.c:341) [ 394.297764] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 394.297768] | [ 404.838386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 404.838508] rcu: 1-....: (402841 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=98162 | [ 404.838569] rcu: (t=399018 jiffies g=-219 q=807 ncpus=4) [ 404.838652] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 404.838728] Workqueue: mld mld_ifc_work [ 404.838768] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 404.838808] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 404.838937] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 404.838973] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 404.839023] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 404.839070] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 404.839120] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 404.839165] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 404.839211] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 404.839262] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 404.839304] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 404.839352] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 404.839404] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 404.839450] PKRU: 55555554 [ 404.839466] Call Trace: [ 404.839482] [ 404.839503] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 404.839542] ? 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) [ 404.839577] ? notifier_call_chain (kernel/notifier.c:93) [ 404.839614] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 404.839661] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 404.839694] ? 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) [ 404.839731] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 404.839767] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 404.839797] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 404.839834] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 404.839866] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 404.839902] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 404.839938] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 404.839975] [ 404.839990] [ 404.840006] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 404.840043] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 404.840070] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 404.840107] netdev_core_pick_tx (net/core/dev.c:4211) [ 404.840136] __dev_queue_xmit (net/core/dev.c:4295) [ 404.840164] ? eth_header (net/ethernet/eth.c:85) [ 404.840194] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 404.840224] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 404.840259] mld_sendpack (net/ipv6/mcast.c:1822) [ 404.840288] mld_ifc_work (net/ipv6/mcast.c:2652) [ 404.840316] process_one_work (kernel/workqueue.c:3254) [ 404.840344] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 404.840379] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 404.840408] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 404.840442] kthread (kernel/kthread.c:388) [ 404.840472] ? __pfx_kthread (kernel/kthread.c:341) [ 404.840500] ret_from_fork (arch/x86/kernel/process.c:147) [ 404.840528] ? __pfx_kthread (kernel/kthread.c:341) [ 404.840557] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 459.833405] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 413180 jiffies s: 77 root: 0x2/. | [ 459.833580] rcu: blocking rcu_node structures (internal RCU debug): | [ 459.833642] Sending NMI from CPU 2 to CPUs 1: | [ 459.833699] NMI backtrace for cpu 1 [ 459.833705] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 459.833708] Workqueue: mld mld_ifc_work [ 459.833715] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 459.833719] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 459.833720] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 459.833722] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 459.833723] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 459.833724] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 459.833725] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 459.833725] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 459.833728] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 459.833730] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 459.833730] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 459.833731] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 459.833732] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 459.833733] PKRU: 55555554 [ 459.833733] Call Trace: [ 459.833735] [ 459.833737] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 459.833740] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 459.833743] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 459.833748] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 459.833750] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 459.833751] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 459.833754] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 459.833756] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 459.833757] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 459.833759] [ 459.833759] [ 459.833760] netdev_core_pick_tx (net/core/dev.c:4211) [ 459.833764] __dev_queue_xmit (net/core/dev.c:4295) [ 459.833767] ? eth_header (net/ethernet/eth.c:85) [ 459.833771] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 459.833774] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 459.833777] mld_sendpack (net/ipv6/mcast.c:1822) [ 459.833781] mld_ifc_work (net/ipv6/mcast.c:2652) [ 459.833784] process_one_work (kernel/workqueue.c:3254) [ 459.833787] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 459.833789] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 459.833791] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 459.833793] kthread (kernel/kthread.c:388) [ 459.833795] ? __pfx_kthread (kernel/kthread.c:341) [ 459.833797] ret_from_fork (arch/x86/kernel/process.c:147) [ 459.833800] ? __pfx_kthread (kernel/kthread.c:341) [ 459.833801] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 459.833805] | [ 467.841386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 467.841488] rcu: 1-....: (465842 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=113698 | [ 467.841548] rcu: (t=462021 jiffies g=-219 q=807 ncpus=4) [ 467.841628] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 467.841696] Workqueue: mld mld_ifc_work [ 467.841729] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 467.841766] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 467.841878] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 467.841914] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 467.841966] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 467.842013] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 467.842060] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 467.842106] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 467.842153] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 467.842203] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 467.842248] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 467.842294] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 467.842345] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 467.842390] PKRU: 55555554 [ 467.842405] Call Trace: [ 467.842421] [ 467.842443] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 467.842482] ? 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) [ 467.842518] ? notifier_call_chain (kernel/notifier.c:93) [ 467.842555] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 467.842591] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 467.842627] ? 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) [ 467.842662] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 467.842698] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 467.842726] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 467.842761] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 467.842798] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 467.842834] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 467.842871] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 467.842907] [ 467.842923] [ 467.842938] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 467.842975] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 467.843004] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 467.843040] netdev_core_pick_tx (net/core/dev.c:4211) [ 467.843069] __dev_queue_xmit (net/core/dev.c:4295) [ 467.843098] ? eth_header (net/ethernet/eth.c:85) [ 467.843126] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 467.843155] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 467.843191] mld_sendpack (net/ipv6/mcast.c:1822) [ 467.843220] mld_ifc_work (net/ipv6/mcast.c:2652) [ 467.843249] process_one_work (kernel/workqueue.c:3254) [ 467.843277] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 467.843313] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 467.843342] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 467.843379] kthread (kernel/kthread.c:388) [ 467.843407] ? __pfx_kthread (kernel/kthread.c:341) [ 467.843435] ret_from_fork (arch/x86/kernel/process.c:147) [ 467.843464] ? __pfx_kthread (kernel/kthread.c:341) [ 467.843493] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 525.369399] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 478716 jiffies s: 77 root: 0x2/. | [ 525.369536] rcu: blocking rcu_node structures (internal RCU debug): | [ 525.369579] Sending NMI from CPU 2 to CPUs 1: | [ 525.369626] NMI backtrace for cpu 1 [ 525.369639] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 525.369642] Workqueue: mld mld_ifc_work [ 525.369651] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 525.369656] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 525.369657] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 525.369659] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 525.369660] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 525.369660] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 525.369661] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 525.369662] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 525.369665] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 525.369666] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 525.369667] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 525.369668] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 525.369668] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 525.369669] PKRU: 55555554 [ 525.369670] Call Trace: [ 525.369674] [ 525.369680] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 525.369684] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 525.369689] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 525.369693] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 525.369695] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 525.369696] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 525.369700] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 525.369702] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 525.369704] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 525.369705] [ 525.369705] [ 525.369706] netdev_core_pick_tx (net/core/dev.c:4211) [ 525.369710] __dev_queue_xmit (net/core/dev.c:4295) [ 525.369712] ? eth_header (net/ethernet/eth.c:85) [ 525.369715] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 525.369719] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 525.369721] mld_sendpack (net/ipv6/mcast.c:1822) [ 525.369724] mld_ifc_work (net/ipv6/mcast.c:2652) [ 525.369726] process_one_work (kernel/workqueue.c:3254) [ 525.369730] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 525.369732] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 525.369733] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 525.369735] kthread (kernel/kthread.c:388) [ 525.369737] ? __pfx_kthread (kernel/kthread.c:341) [ 525.369739] ret_from_fork (arch/x86/kernel/process.c:147) [ 525.369742] ? __pfx_kthread (kernel/kthread.c:341) [ 525.369743] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 525.369748] | [ 530.844386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 530.844514] rcu: 1-....: (528844 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=128996 | [ 530.844598] rcu: (t=525024 jiffies g=-219 q=807 ncpus=4) [ 530.844698] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 530.844795] Workqueue: mld mld_ifc_work [ 530.844834] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 530.844884] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 530.845033] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 530.845077] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 530.845141] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 530.845206] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 530.845271] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 530.845335] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 530.845401] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 530.845469] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 530.845520] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 530.845585] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 530.845648] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 530.845712] PKRU: 55555554 [ 530.845734] Call Trace: [ 530.845756] [ 530.845777] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 530.845824] ? 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) [ 530.845868] ? notifier_call_chain (kernel/notifier.c:93) [ 530.845911] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 530.845961] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 530.846004] ? 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) [ 530.846047] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 530.846097] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 530.846135] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 530.846178] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 530.846222] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 530.846265] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 530.846314] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 530.846364] [ 530.846385] [ 530.846407] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 530.846451] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 530.846482] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 530.846533] netdev_core_pick_tx (net/core/dev.c:4211) [ 530.846564] __dev_queue_xmit (net/core/dev.c:4295) [ 530.846603] ? eth_header (net/ethernet/eth.c:85) [ 530.846642] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 530.846681] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 530.846731] mld_sendpack (net/ipv6/mcast.c:1822) [ 530.846763] mld_ifc_work (net/ipv6/mcast.c:2652) [ 530.846800] process_one_work (kernel/workqueue.c:3254) [ 530.846839] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 530.846881] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 530.846911] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 530.846953] kthread (kernel/kthread.c:388) [ 530.846985] ? __pfx_kthread (kernel/kthread.c:341) [ 530.847017] ret_from_fork (arch/x86/kernel/process.c:147) [ 530.847057] ? __pfx_kthread (kernel/kthread.c:341) [ 530.847089] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 590.905394] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 544252 jiffies s: 77 root: 0x2/. | [ 590.905520] rcu: blocking rcu_node structures (internal RCU debug): | [ 590.905557] Sending NMI from CPU 2 to CPUs 1: | [ 590.905595] NMI backtrace for cpu 1 [ 590.905603] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 590.905605] Workqueue: mld mld_ifc_work [ 590.905613] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 590.905618] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 590.905619] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 590.905621] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 590.905622] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 590.905623] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 590.905624] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 590.905624] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 590.905627] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 590.905628] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 590.905629] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 590.905630] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 590.905631] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 590.905631] PKRU: 55555554 [ 590.905632] Call Trace: [ 590.905634] [ 590.905636] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 590.905639] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 590.905643] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 590.905647] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 590.905650] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 590.905651] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 590.905654] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 590.905656] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 590.905658] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 590.905659] [ 590.905659] [ 590.905660] netdev_core_pick_tx (net/core/dev.c:4211) [ 590.905664] __dev_queue_xmit (net/core/dev.c:4295) [ 590.905666] ? eth_header (net/ethernet/eth.c:85) [ 590.905670] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 590.905674] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 590.905677] mld_sendpack (net/ipv6/mcast.c:1822) [ 590.905680] mld_ifc_work (net/ipv6/mcast.c:2652) [ 590.905682] process_one_work (kernel/workqueue.c:3254) [ 590.905687] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 590.905688] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 590.905690] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 590.905692] kthread (kernel/kthread.c:388) [ 590.905694] ? __pfx_kthread (kernel/kthread.c:341) [ 590.905695] ret_from_fork (arch/x86/kernel/process.c:147) [ 590.905697] ? __pfx_kthread (kernel/kthread.c:341) [ 590.905698] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 590.905702] | [ 593.847386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 593.847478] rcu: 1-....: (591846 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=144244 | [ 593.847538] rcu: (t=588027 jiffies g=-219 q=807 ncpus=4) [ 593.847611] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 593.847679] Workqueue: mld mld_ifc_work [ 593.847711] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 593.847745] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 593.847853] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 593.847887] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 593.847936] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 593.847984] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 593.848033] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 593.848082] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 593.848134] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 593.848187] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 593.848227] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 593.848276] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 593.848323] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 593.848374] PKRU: 55555554 [ 593.848394] Call Trace: [ 593.848415] [ 593.848435] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 593.848472] ? 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) [ 593.848507] ? notifier_call_chain (kernel/notifier.c:93) [ 593.848541] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 593.848576] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 593.848611] ? 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) [ 593.848645] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 593.848678] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 593.848708] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 593.848742] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 593.848777] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 593.848811] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 593.848846] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 593.848881] [ 593.848901] [ 593.848915] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 593.848950] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 593.848977] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 593.849012] netdev_core_pick_tx (net/core/dev.c:4211) [ 593.849039] __dev_queue_xmit (net/core/dev.c:4295) [ 593.849067] ? eth_header (net/ethernet/eth.c:85) [ 593.849095] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 593.849123] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 593.849157] mld_sendpack (net/ipv6/mcast.c:1822) [ 593.849185] mld_ifc_work (net/ipv6/mcast.c:2652) [ 593.849212] process_one_work (kernel/workqueue.c:3254) [ 593.849239] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 593.849273] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 593.849301] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 593.849335] kthread (kernel/kthread.c:388) [ 593.849363] ? __pfx_kthread (kernel/kthread.c:341) [ 593.849391] ret_from_fork (arch/x86/kernel/process.c:147) [ 593.849418] ? __pfx_kthread (kernel/kthread.c:341) [ 593.849446] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 656.441404] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 609788 jiffies s: 77 root: 0x2/. | [ 656.441546] rcu: blocking rcu_node structures (internal RCU debug): | [ 656.441594] Sending NMI from CPU 2 to CPUs 1: | [ 656.441637] NMI backtrace for cpu 1 [ 656.441644] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 656.441646] Workqueue: mld mld_ifc_work [ 656.441652] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 656.441657] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 656.441658] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 656.441660] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 656.441661] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 656.441662] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 656.441663] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 656.441664] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 656.441666] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 656.441667] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 656.441668] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 656.441669] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 656.441670] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 656.441670] PKRU: 55555554 [ 656.441671] Call Trace: [ 656.441674] [ 656.441675] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 656.441678] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 656.441683] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 656.441687] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 656.441690] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 656.441691] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 656.441694] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 656.441696] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 656.441697] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 656.441699] [ 656.441699] [ 656.441699] netdev_core_pick_tx (net/core/dev.c:4211) [ 656.441704] __dev_queue_xmit (net/core/dev.c:4295) [ 656.441706] ? eth_header (net/ethernet/eth.c:85) [ 656.441709] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 656.441714] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 656.441716] mld_sendpack (net/ipv6/mcast.c:1822) [ 656.441719] mld_ifc_work (net/ipv6/mcast.c:2652) [ 656.441721] process_one_work (kernel/workqueue.c:3254) [ 656.441725] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 656.441727] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 656.441729] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 656.441731] kthread (kernel/kthread.c:388) [ 656.441733] ? __pfx_kthread (kernel/kthread.c:341) [ 656.441734] ret_from_fork (arch/x86/kernel/process.c:147) [ 656.441738] ? __pfx_kthread (kernel/kthread.c:341) [ 656.441739] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 656.441743] | [ 656.850386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 656.850475] rcu: 1-....: (654633 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=159233 | [ 656.850535] rcu: (t=651030 jiffies g=-219 q=807 ncpus=4) [ 656.850611] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 656.850682] Workqueue: mld mld_ifc_work [ 656.850709] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 656.850742] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 656.850848] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 656.850882] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 656.850931] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 656.850980] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 656.851029] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 656.851077] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 656.851138] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 656.851189] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 656.851229] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 656.851279] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 656.851327] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 656.851376] PKRU: 55555554 [ 656.851390] Call Trace: [ 656.851410] [ 656.851431] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 656.851470] ? 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) [ 656.851506] ? notifier_call_chain (kernel/notifier.c:93) [ 656.851540] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 656.851576] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 656.851610] ? 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) [ 656.851645] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 656.851679] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 656.851706] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 656.851741] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 656.851775] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 656.851809] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 656.851843] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 656.851877] [ 656.851897] [ 656.851917] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 656.851951] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 656.851978] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 656.852013] netdev_core_pick_tx (net/core/dev.c:4211) [ 656.852040] __dev_queue_xmit (net/core/dev.c:4295) [ 656.852067] ? eth_header (net/ethernet/eth.c:85) [ 656.852094] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 656.852122] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 656.852155] mld_sendpack (net/ipv6/mcast.c:1822) [ 656.852182] mld_ifc_work (net/ipv6/mcast.c:2652) [ 656.852209] process_one_work (kernel/workqueue.c:3254) [ 656.852235] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 656.852268] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 656.852295] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 656.852329] kthread (kernel/kthread.c:388) [ 656.852357] ? __pfx_kthread (kernel/kthread.c:341) [ 656.852384] ret_from_fork (arch/x86/kernel/process.c:147) [ 656.852411] ? __pfx_kthread (kernel/kthread.c:341) [ 656.852439] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 656.852467] | [ 719.853387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 719.853560] rcu: 1-....: (717635 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=174121 | [ 719.853617] rcu: (t=714033 jiffies g=-219 q=807 ncpus=4) [ 719.853703] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 719.853774] Workqueue: mld mld_ifc_work [ 719.853810] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 719.853848] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 719.853954] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 719.853989] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 719.854037] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 719.854085] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 719.854133] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 719.854181] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 719.854231] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 719.854282] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 719.854321] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 719.854370] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 719.854415] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 719.854463] PKRU: 55555554 [ 719.854483] Call Trace: [ 719.854504] [ 719.854524] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 719.854563] ? 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) [ 719.854597] ? notifier_call_chain (kernel/notifier.c:93) [ 719.854632] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 719.854670] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 719.854704] ? 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) [ 719.854739] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 719.854776] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 719.854803] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 719.854837] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 719.854872] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 719.854906] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 719.854941] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 719.854976] [ 719.854996] [ 719.855011] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 719.855046] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 719.855072] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 719.855106] netdev_core_pick_tx (net/core/dev.c:4211) [ 719.855138] __dev_queue_xmit (net/core/dev.c:4295) [ 719.855164] ? eth_header (net/ethernet/eth.c:85) [ 719.855194] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 719.855222] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 719.855256] mld_sendpack (net/ipv6/mcast.c:1822) [ 719.855283] mld_ifc_work (net/ipv6/mcast.c:2652) [ 719.855310] process_one_work (kernel/workqueue.c:3254) [ 719.855341] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 719.855375] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 719.855403] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 719.855437] kthread (kernel/kthread.c:388) [ 719.855464] ? __pfx_kthread (kernel/kthread.c:341) [ 719.855490] ret_from_fork (arch/x86/kernel/process.c:147) [ 719.855517] ? __pfx_kthread (kernel/kthread.c:341) [ 719.855543] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 721.978395] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 675325 jiffies s: 77 root: 0x2/. | [ 721.978514] rcu: blocking rcu_node structures (internal RCU debug): | [ 721.978552] Sending NMI from CPU 2 to CPUs 1: | [ 721.978590] NMI backtrace for cpu 1 [ 721.978593] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 721.978594] Workqueue: mld mld_ifc_work [ 721.978597] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 721.978599] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 721.978600] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 721.978601] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 721.978601] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 721.978602] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 721.978602] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 721.978603] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 721.978605] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 721.978606] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 721.978607] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 721.978608] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 721.978608] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 721.978609] PKRU: 55555554 [ 721.978610] Call Trace: [ 721.978610] [ 721.978611] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 721.978614] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 721.978617] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 721.978621] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 721.978622] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 721.978623] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 721.978626] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 721.978627] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 721.978629] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 721.978630] [ 721.978631] [ 721.978631] netdev_core_pick_tx (net/core/dev.c:4211) [ 721.978633] __dev_queue_xmit (net/core/dev.c:4295) [ 721.978635] ? eth_header (net/ethernet/eth.c:85) [ 721.978637] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 721.978640] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 721.978642] mld_sendpack (net/ipv6/mcast.c:1822) [ 721.978645] mld_ifc_work (net/ipv6/mcast.c:2652) [ 721.978647] process_one_work (kernel/workqueue.c:3254) [ 721.978649] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 721.978650] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 721.978652] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 721.978654] kthread (kernel/kthread.c:388) [ 721.978655] ? __pfx_kthread (kernel/kthread.c:341) [ 721.978656] ret_from_fork (arch/x86/kernel/process.c:147) [ 721.978658] ? __pfx_kthread (kernel/kthread.c:341) [ 721.978659] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 721.978661] | [ 782.856387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 782.856520] rcu: 1-....: (780637 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=188656 | [ 782.856604] rcu: (t=777036 jiffies g=-219 q=807 ncpus=4) [ 782.856708] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 782.856807] Workqueue: mld mld_ifc_work [ 782.856854] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 782.856901] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 782.857049] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 782.857097] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 782.857166] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 782.857228] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 782.857291] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 782.857354] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 782.857418] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 782.857486] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 782.857544] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 782.857606] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 782.857674] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 782.857735] PKRU: 55555554 [ 782.857756] Call Trace: [ 782.857777] [ 782.857806] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 782.857858] ? 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) [ 782.857907] ? notifier_call_chain (kernel/notifier.c:93) [ 782.857954] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 782.858004] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 782.858053] ? 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) [ 782.858102] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 782.858150] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 782.858189] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 782.858237] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 782.858285] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 782.858325] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 782.858372] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 782.858419] [ 782.858439] [ 782.858460] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 782.858509] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 782.858547] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 782.858595] netdev_core_pick_tx (net/core/dev.c:4211) [ 782.858634] __dev_queue_xmit (net/core/dev.c:4295) [ 782.858671] ? eth_header (net/ethernet/eth.c:85) [ 782.858709] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 782.858748] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 782.858796] mld_sendpack (net/ipv6/mcast.c:1822) [ 782.858834] mld_ifc_work (net/ipv6/mcast.c:2652) [ 782.858872] process_one_work (kernel/workqueue.c:3254) [ 782.858909] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 782.858958] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 782.858995] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 782.859051] kthread (kernel/kthread.c:388) [ 782.859089] ? __pfx_kthread (kernel/kthread.c:341) [ 782.859127] ret_from_fork (arch/x86/kernel/process.c:147) [ 782.859164] ? __pfx_kthread (kernel/kthread.c:341) [ 782.859195] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 787.513405] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 740860 jiffies s: 77 root: 0x2/. | [ 787.513592] rcu: blocking rcu_node structures (internal RCU debug): | [ 787.513631] Sending NMI from CPU 2 to CPUs 1: | [ 787.513671] NMI backtrace for cpu 1 [ 787.513677] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 787.513678] Workqueue: mld mld_ifc_work [ 787.513681] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 787.513684] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 787.513686] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 787.513687] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 787.513688] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 787.513688] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 787.513689] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 787.513690] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 787.513692] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 787.513693] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 787.513693] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 787.513694] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 787.513695] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 787.513695] PKRU: 55555554 [ 787.513696] Call Trace: [ 787.513697] [ 787.513698] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 787.513701] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 787.513703] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 787.513707] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 787.513709] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 787.513710] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 787.513713] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 787.513714] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 787.513716] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 787.513717] [ 787.513717] [ 787.513718] netdev_core_pick_tx (net/core/dev.c:4211) [ 787.513721] __dev_queue_xmit (net/core/dev.c:4295) [ 787.513723] ? eth_header (net/ethernet/eth.c:85) [ 787.513725] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 787.513728] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 787.513731] mld_sendpack (net/ipv6/mcast.c:1822) [ 787.513733] mld_ifc_work (net/ipv6/mcast.c:2652) [ 787.513735] process_one_work (kernel/workqueue.c:3254) [ 787.513737] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 787.513739] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 787.513741] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 787.513742] kthread (kernel/kthread.c:388) [ 787.513744] ? __pfx_kthread (kernel/kthread.c:341) [ 787.513745] ret_from_fork (arch/x86/kernel/process.c:147) [ 787.513748] ? __pfx_kthread (kernel/kthread.c:341) [ 787.513749] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 787.513752] | [ 845.859387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 845.859500] rcu: 1-....: (843639 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=203043 | [ 845.859558] rcu: (t=840039 jiffies g=-219 q=807 ncpus=4) [ 845.859640] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 845.859710] Workqueue: mld mld_ifc_work [ 845.859746] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 845.859784] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 845.859891] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 845.859924] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 845.859974] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 845.860023] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 845.860071] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 845.860119] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 845.860169] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 845.860220] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 845.860259] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 845.860307] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 845.860352] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 845.860401] PKRU: 55555554 [ 845.860421] Call Trace: [ 845.860441] [ 845.860462] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 845.860499] ? 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) [ 845.860533] ? notifier_call_chain (kernel/notifier.c:93) [ 845.860568] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 845.860604] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 845.860638] ? 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) [ 845.860673] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 845.860710] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 845.860737] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 845.860772] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 845.860806] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 845.860841] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 845.860875] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 845.860912] [ 845.860932] [ 845.860951] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 845.860985] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 845.861013] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 845.861047] netdev_core_pick_tx (net/core/dev.c:4211) [ 845.861078] __dev_queue_xmit (net/core/dev.c:4295) [ 845.861104] ? eth_header (net/ethernet/eth.c:85) [ 845.861132] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 845.861159] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 845.861194] mld_sendpack (net/ipv6/mcast.c:1822) [ 845.861224] mld_ifc_work (net/ipv6/mcast.c:2652) [ 845.861251] process_one_work (kernel/workqueue.c:3254) [ 845.861278] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 845.861312] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 845.861339] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 845.861373] kthread (kernel/kthread.c:388) [ 845.861400] ? __pfx_kthread (kernel/kthread.c:341) [ 845.861426] ret_from_fork (arch/x86/kernel/process.c:147) [ 845.861452] ? __pfx_kthread (kernel/kthread.c:341) [ 845.861478] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 853.049394] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 806396 jiffies s: 77 root: 0x2/. | [ 853.049517] rcu: blocking rcu_node structures (internal RCU debug): | [ 853.049554] Sending NMI from CPU 2 to CPUs 1: | [ 853.049592] NMI backtrace for cpu 1 [ 853.049596] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 853.049597] Workqueue: mld mld_ifc_work [ 853.049601] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 853.049603] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 853.049604] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 853.049605] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 853.049606] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 853.049607] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 853.049607] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 853.049608] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 853.049610] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 853.049611] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 853.049612] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 853.049613] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 853.049613] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 853.049614] PKRU: 55555554 [ 853.049615] Call Trace: [ 853.049616] [ 853.049617] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 853.049619] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 853.049622] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 853.049626] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 853.049628] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 853.049629] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 853.049632] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 853.049633] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 853.049635] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 853.049637] [ 853.049637] [ 853.049637] netdev_core_pick_tx (net/core/dev.c:4211) [ 853.049640] __dev_queue_xmit (net/core/dev.c:4295) [ 853.049642] ? eth_header (net/ethernet/eth.c:85) [ 853.049645] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 853.049648] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 853.049650] mld_sendpack (net/ipv6/mcast.c:1822) [ 853.049653] mld_ifc_work (net/ipv6/mcast.c:2652) [ 853.049655] process_one_work (kernel/workqueue.c:3254) [ 853.049657] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 853.049658] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 853.049660] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 853.049661] kthread (kernel/kthread.c:388) [ 853.049663] ? __pfx_kthread (kernel/kthread.c:341) [ 853.049664] ret_from_fork (arch/x86/kernel/process.c:147) [ 853.049666] ? __pfx_kthread (kernel/kthread.c:341) [ 853.049667] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 853.049670] | [ 908.862387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 908.862518] rcu: 1-....: (906641 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=217762 | [ 908.862599] rcu: (t=903042 jiffies g=-219 q=807 ncpus=4) [ 908.862706] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 908.862801] Workqueue: mld mld_ifc_work [ 908.862842] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 908.862890] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 908.863037] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 908.863085] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 908.863148] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 908.863210] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 908.863275] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 908.863340] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 908.863406] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 908.863474] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 908.863533] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 908.863598] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 908.863669] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 908.863734] PKRU: 55555554 [ 908.863756] Call Trace: [ 908.863778] [ 908.863800] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 908.863850] ? 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) [ 908.863901] ? notifier_call_chain (kernel/notifier.c:93) [ 908.863952] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 908.864002] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 908.864052] ? 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) [ 908.864101] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 908.864150] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 908.864187] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 908.864235] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 908.864278] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 908.864322] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 908.864372] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 908.864420] [ 908.864440] [ 908.864461] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 908.864510] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 908.864549] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 908.864594] netdev_core_pick_tx (net/core/dev.c:4211) [ 908.864631] __dev_queue_xmit (net/core/dev.c:4295) [ 908.864667] ? eth_header (net/ethernet/eth.c:85) [ 908.864706] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 908.864745] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 908.864792] mld_sendpack (net/ipv6/mcast.c:1822) [ 908.864832] mld_ifc_work (net/ipv6/mcast.c:2652) [ 908.864868] process_one_work (kernel/workqueue.c:3254) [ 908.864907] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 908.864955] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 908.864987] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 908.865036] kthread (kernel/kthread.c:388) [ 908.865067] ? __pfx_kthread (kernel/kthread.c:341) [ 908.865099] ret_from_fork (arch/x86/kernel/process.c:147) [ 908.865136] ? __pfx_kthread (kernel/kthread.c:341) [ 908.865168] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 918.585395] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 871932 jiffies s: 77 root: 0x2/. | [ 918.585576] rcu: blocking rcu_node structures (internal RCU debug): | [ 918.585616] Sending NMI from CPU 2 to CPUs 1: | [ 918.585653] NMI backtrace for cpu 1 [ 918.585657] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 918.585657] Workqueue: mld mld_ifc_work [ 918.585660] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 918.585662] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 918.585663] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 918.585664] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 918.585665] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 918.585665] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 918.585666] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 918.585667] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 918.585669] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 918.585670] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 918.585671] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 918.585671] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 918.585672] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 918.585673] PKRU: 55555554 [ 918.585673] Call Trace: [ 918.585674] [ 918.585675] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 918.585677] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 918.585680] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 918.585684] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 918.585685] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 918.585686] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 918.585689] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 918.585690] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 918.585692] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 918.585693] [ 918.585693] [ 918.585694] netdev_core_pick_tx (net/core/dev.c:4211) [ 918.585696] __dev_queue_xmit (net/core/dev.c:4295) [ 918.585698] ? eth_header (net/ethernet/eth.c:85) [ 918.585700] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 918.585703] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 918.585705] mld_sendpack (net/ipv6/mcast.c:1822) [ 918.585707] mld_ifc_work (net/ipv6/mcast.c:2652) [ 918.585709] process_one_work (kernel/workqueue.c:3254) [ 918.585711] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 918.585713] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 918.585715] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 918.585716] kthread (kernel/kthread.c:388) [ 918.585717] ? __pfx_kthread (kernel/kthread.c:341) [ 918.585719] ret_from_fork (arch/x86/kernel/process.c:147) [ 918.585721] ? __pfx_kthread (kernel/kthread.c:341) [ 918.585722] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 918.585724] | [ 971.865387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 971.865549] rcu: 1-....: (969643 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=232329 | [ 971.865617] rcu: (t=966045 jiffies g=-219 q=807 ncpus=4) [ 971.865695] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 971.865765] Workqueue: mld mld_ifc_work [ 971.865799] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 971.865837] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 971.865942] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 971.865977] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 971.866025] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 971.866074] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 971.866123] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 971.866172] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 971.866220] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 971.866272] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 971.866312] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 971.866360] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 971.866405] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 971.866454] PKRU: 55555554 [ 971.866474] Call Trace: [ 971.866489] [ 971.866510] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 971.866543] ? 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) [ 971.866577] ? notifier_call_chain (kernel/notifier.c:93) [ 971.866611] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 971.866647] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 971.866682] ? 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) [ 971.866717] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 971.866752] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 971.866779] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 971.866814] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 971.866849] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 971.866884] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 971.866920] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 971.866954] [ 971.866969] [ 971.866983] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 971.867016] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 971.867043] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 971.867078] netdev_core_pick_tx (net/core/dev.c:4211) [ 971.867108] __dev_queue_xmit (net/core/dev.c:4295) [ 971.867134] ? eth_header (net/ethernet/eth.c:85) [ 971.867162] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 971.867189] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 971.867224] mld_sendpack (net/ipv6/mcast.c:1822) [ 971.867251] mld_ifc_work (net/ipv6/mcast.c:2652) [ 971.867278] process_one_work (kernel/workqueue.c:3254) [ 971.867305] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 971.867339] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 971.867366] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 971.867400] kthread (kernel/kthread.c:388) [ 971.867427] ? __pfx_kthread (kernel/kthread.c:341) [ 971.867454] ret_from_fork (arch/x86/kernel/process.c:147) [ 971.867480] ? __pfx_kthread (kernel/kthread.c:341) [ 971.867507] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 984.121409] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 937468 jiffies s: 77 root: 0x2/. | [ 984.121528] rcu: blocking rcu_node structures (internal RCU debug): | [ 984.121567] Sending NMI from CPU 2 to CPUs 1: | [ 984.121619] NMI backtrace for cpu 1 [ 984.121624] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 984.121625] Workqueue: mld mld_ifc_work [ 984.121629] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 984.121632] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 984.121633] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 984.121634] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 984.121634] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 984.121635] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 984.121636] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 984.121636] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 984.121639] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 984.121640] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 984.121640] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 984.121641] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 984.121642] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 984.121642] PKRU: 55555554 [ 984.121643] Call Trace: [ 984.121644] [ 984.121645] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 984.121647] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 984.121650] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 984.121654] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 984.121656] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 984.121657] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 984.121659] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 984.121661] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 984.121662] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 984.121664] [ 984.121664] [ 984.121664] netdev_core_pick_tx (net/core/dev.c:4211) [ 984.121667] __dev_queue_xmit (net/core/dev.c:4295) [ 984.121669] ? eth_header (net/ethernet/eth.c:85) [ 984.121672] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 984.121675] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 984.121677] mld_sendpack (net/ipv6/mcast.c:1822) [ 984.121680] mld_ifc_work (net/ipv6/mcast.c:2652) [ 984.121682] process_one_work (kernel/workqueue.c:3254) [ 984.121684] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 984.121686] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 984.121688] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 984.121690] kthread (kernel/kthread.c:388) [ 984.121691] ? __pfx_kthread (kernel/kthread.c:341) [ 984.121692] ret_from_fork (arch/x86/kernel/process.c:147) [ 984.121695] ? __pfx_kthread (kernel/kthread.c:341) [ 984.121696] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 984.121699] | [ 1034.868387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 1034.868487] rcu: 1-....: (1032645 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=246616 | [ 1034.868547] rcu: (t=1029048 jiffies g=-219 q=807 ncpus=4) [ 1034.868626] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1034.868696] Workqueue: mld mld_ifc_work [ 1034.868731] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1034.868768] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 1034.868871] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 1034.868905] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 1034.868953] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 1034.869002] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 1034.869052] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 1034.869102] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 1034.869152] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 1034.869204] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1034.869244] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 1034.869294] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1034.869342] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1034.869391] PKRU: 55555554 [ 1034.869412] Call Trace: [ 1034.869433] [ 1034.869454] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 1034.869493] ? 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) [ 1034.869527] ? notifier_call_chain (kernel/notifier.c:93) [ 1034.869561] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 1034.869598] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 1034.869632] ? 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) [ 1034.869666] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 1034.869703] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 1034.869730] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 1034.869764] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 1034.869798] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 1034.869831] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 1034.869864] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 1034.869897] [ 1034.869911] [ 1034.869931] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1034.869966] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1034.869993] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 1034.870027] netdev_core_pick_tx (net/core/dev.c:4211) [ 1034.870054] __dev_queue_xmit (net/core/dev.c:4295) [ 1034.870081] ? eth_header (net/ethernet/eth.c:85) [ 1034.870108] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 1034.870135] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 1034.870169] mld_sendpack (net/ipv6/mcast.c:1822) [ 1034.870196] mld_ifc_work (net/ipv6/mcast.c:2652) [ 1034.870223] process_one_work (kernel/workqueue.c:3254) [ 1034.870255] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1034.870289] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 1034.870317] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1034.870351] kthread (kernel/kthread.c:388) [ 1034.870378] ? __pfx_kthread (kernel/kthread.c:341) [ 1034.870406] ret_from_fork (arch/x86/kernel/process.c:147) [ 1034.870434] ? __pfx_kthread (kernel/kthread.c:341) [ 1034.870462] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 1049.658394] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 1003005 jiffies s: 77 root: 0x2/. | [ 1049.658582] rcu: blocking rcu_node structures (internal RCU debug): | [ 1049.658621] Sending NMI from CPU 2 to CPUs 1: | [ 1049.658658] NMI backtrace for cpu 1 [ 1049.658664] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1049.658665] Workqueue: mld mld_ifc_work [ 1049.658670] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1049.658673] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 1049.658674] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 1049.658675] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 1049.658676] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 1049.658677] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 1049.658677] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 1049.658678] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 1049.658680] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 1049.658681] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1049.658682] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 1049.658683] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1049.658683] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1049.658684] PKRU: 55555554 [ 1049.658684] Call Trace: [ 1049.658685] [ 1049.658687] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 1049.658689] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 1049.658693] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 1049.658697] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 1049.658699] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 1049.658700] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 1049.658703] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1049.658704] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1049.658706] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1049.658707] [ 1049.658708] [ 1049.658708] netdev_core_pick_tx (net/core/dev.c:4211) [ 1049.658712] __dev_queue_xmit (net/core/dev.c:4295) [ 1049.658714] ? eth_header (net/ethernet/eth.c:85) [ 1049.658717] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 1049.658721] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 1049.658723] mld_sendpack (net/ipv6/mcast.c:1822) [ 1049.658726] mld_ifc_work (net/ipv6/mcast.c:2652) [ 1049.658728] process_one_work (kernel/workqueue.c:3254) [ 1049.658731] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1049.658732] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 1049.658734] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1049.658736] kthread (kernel/kthread.c:388) [ 1049.658737] ? __pfx_kthread (kernel/kthread.c:341) [ 1049.658739] ret_from_fork (arch/x86/kernel/process.c:147) [ 1049.658741] ? __pfx_kthread (kernel/kthread.c:341) [ 1049.658742] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 1049.658745] | [ 1097.871386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 1097.871551] rcu: 1-....: (1095647 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=261010 | [ 1097.871613] rcu: (t=1092051 jiffies g=-219 q=807 ncpus=4) [ 1097.871690] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1097.871760] Workqueue: mld mld_ifc_work [ 1097.871794] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1097.871831] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 1097.871937] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 1097.871971] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 1097.872020] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 1097.872070] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 1097.872118] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 1097.872167] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 1097.872218] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 1097.872270] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1097.872310] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 1097.872358] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1097.872405] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1097.872454] PKRU: 55555554 [ 1097.872473] Call Trace: [ 1097.872488] [ 1097.872509] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 1097.872546] ? 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) [ 1097.872580] ? notifier_call_chain (kernel/notifier.c:93) [ 1097.872614] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 1097.872649] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 1097.872682] ? 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) [ 1097.872717] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 1097.872756] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 1097.872783] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 1097.872818] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 1097.872853] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 1097.872889] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 1097.872923] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 1097.872958] [ 1097.872978] [ 1097.872998] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1097.873032] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1097.873060] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 1097.873094] netdev_core_pick_tx (net/core/dev.c:4211) [ 1097.873123] __dev_queue_xmit (net/core/dev.c:4295) [ 1097.873150] ? eth_header (net/ethernet/eth.c:85) [ 1097.873178] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 1097.873209] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 1097.873243] mld_sendpack (net/ipv6/mcast.c:1822) [ 1097.873271] mld_ifc_work (net/ipv6/mcast.c:2652) [ 1097.873298] process_one_work (kernel/workqueue.c:3254) [ 1097.873328] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1097.873363] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 1097.873391] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1097.873426] kthread (kernel/kthread.c:388) [ 1097.873453] ? __pfx_kthread (kernel/kthread.c:341) [ 1097.873481] ret_from_fork (arch/x86/kernel/process.c:147) [ 1097.873507] ? __pfx_kthread (kernel/kthread.c:341) [ 1097.873534] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 1115.193395] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 1068540 jiffies s: 77 root: 0x2/. | [ 1115.193513] rcu: blocking rcu_node structures (internal RCU debug): | [ 1115.193550] Sending NMI from CPU 2 to CPUs 1: | [ 1115.193587] NMI backtrace for cpu 1 [ 1115.193591] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1115.193593] Workqueue: mld mld_ifc_work [ 1115.193596] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1115.193599] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 1115.193600] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 1115.193601] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 1115.193602] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 1115.193602] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 1115.193603] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 1115.193604] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 1115.193606] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 1115.193607] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1115.193608] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 1115.193609] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1115.193609] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1115.193610] PKRU: 55555554 [ 1115.193610] Call Trace: [ 1115.193612] [ 1115.193613] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 1115.193616] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 1115.193619] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 1115.193622] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 1115.193625] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 1115.193626] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 1115.193628] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1115.193630] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1115.193631] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1115.193633] [ 1115.193633] [ 1115.193633] netdev_core_pick_tx (net/core/dev.c:4211) [ 1115.193636] __dev_queue_xmit (net/core/dev.c:4295) [ 1115.193638] ? eth_header (net/ethernet/eth.c:85) [ 1115.193641] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 1115.193644] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 1115.193646] mld_sendpack (net/ipv6/mcast.c:1822) [ 1115.193649] mld_ifc_work (net/ipv6/mcast.c:2652) [ 1115.193651] process_one_work (kernel/workqueue.c:3254) [ 1115.193654] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1115.193655] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 1115.193657] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1115.193659] kthread (kernel/kthread.c:388) [ 1115.193660] ? __pfx_kthread (kernel/kthread.c:341) [ 1115.193662] ret_from_fork (arch/x86/kernel/process.c:147) [ 1115.193664] ? __pfx_kthread (kernel/kthread.c:341) [ 1115.193665] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 1115.193668] | [ 1160.874387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 1160.874486] rcu: 1-....: (1158649 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=275448 | [ 1160.874546] rcu: (t=1155054 jiffies g=-219 q=807 ncpus=4) [ 1160.874620] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1160.874689] Workqueue: mld mld_ifc_work [ 1160.874723] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1160.874759] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 1160.874863] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 1160.874898] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 1160.874946] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 1160.874994] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 1160.875042] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 1160.875091] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 1160.875140] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 1160.875189] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1160.875229] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 1160.875278] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1160.875327] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1160.875376] PKRU: 55555554 [ 1160.875401] Call Trace: [ 1160.875416] [ 1160.875438] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 1160.875475] ? 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) [ 1160.875510] ? notifier_call_chain (kernel/notifier.c:93) [ 1160.875545] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 1160.875579] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 1160.875612] ? 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) [ 1160.875646] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 1160.875680] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 1160.875706] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 1160.875740] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 1160.875774] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 1160.875808] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 1160.875841] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 1160.875875] [ 1160.875889] [ 1160.875908] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1160.875944] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1160.875971] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 1160.876005] netdev_core_pick_tx (net/core/dev.c:4211) [ 1160.876033] __dev_queue_xmit (net/core/dev.c:4295) [ 1160.876059] ? eth_header (net/ethernet/eth.c:85) [ 1160.876086] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 1160.876114] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 1160.876149] mld_sendpack (net/ipv6/mcast.c:1822) [ 1160.876177] mld_ifc_work (net/ipv6/mcast.c:2652) [ 1160.876203] process_one_work (kernel/workqueue.c:3254) [ 1160.876232] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1160.876266] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 1160.876294] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1160.876328] kthread (kernel/kthread.c:388) [ 1160.876356] ? __pfx_kthread (kernel/kthread.c:341) [ 1160.876384] ret_from_fork (arch/x86/kernel/process.c:147) [ 1160.876416] ? __pfx_kthread (kernel/kthread.c:341) [ 1160.876443] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 1180.729395] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 1134076 jiffies s: 77 root: 0x2/. | [ 1180.729517] rcu: blocking rcu_node structures (internal RCU debug): | [ 1180.729554] Sending NMI from CPU 2 to CPUs 1: | [ 1180.729591] NMI backtrace for cpu 1 [ 1180.729598] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1180.729599] Workqueue: mld mld_ifc_work [ 1180.729603] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1180.729605] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 1180.729607] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 1180.729608] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 1180.729609] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 1180.729609] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 1180.729610] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 1180.729611] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 1180.729613] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 1180.729614] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1180.729615] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 1180.729616] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1180.729616] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1180.729617] PKRU: 55555554 [ 1180.729617] Call Trace: [ 1180.729618] [ 1180.729620] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 1180.729622] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 1180.729625] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 1180.729629] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 1180.729631] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 1180.729633] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 1180.729635] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1180.729637] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1180.729638] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1180.729640] [ 1180.729640] [ 1180.729641] netdev_core_pick_tx (net/core/dev.c:4211) [ 1180.729644] __dev_queue_xmit (net/core/dev.c:4295) [ 1180.729646] ? eth_header (net/ethernet/eth.c:85) [ 1180.729648] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 1180.729652] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 1180.729654] mld_sendpack (net/ipv6/mcast.c:1822) [ 1180.729656] mld_ifc_work (net/ipv6/mcast.c:2652) [ 1180.729658] process_one_work (kernel/workqueue.c:3254) [ 1180.729661] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1180.729663] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 1180.729664] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1180.729666] kthread (kernel/kthread.c:388) [ 1180.729667] ? __pfx_kthread (kernel/kthread.c:341) [ 1180.729669] ret_from_fork (arch/x86/kernel/process.c:147) [ 1180.729671] ? __pfx_kthread (kernel/kthread.c:341) [ 1180.729672] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 1180.729675] | [ 1223.877387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 1223.877488] rcu: 1-....: (1221651 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=289762 | [ 1223.877549] rcu: (t=1218057 jiffies g=-219 q=807 ncpus=4) [ 1223.877625] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1223.877696] Workqueue: mld mld_ifc_work [ 1223.877729] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1223.877778] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 1223.877891] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 1223.877925] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 1223.877973] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 1223.878022] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 1223.878070] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 1223.878134] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 1223.878184] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 1223.878236] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1223.878276] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 1223.878324] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1223.878370] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1223.878418] PKRU: 55555554 [ 1223.878438] Call Trace: [ 1223.878453] [ 1223.878473] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 1223.878510] ? 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) [ 1223.878546] ? notifier_call_chain (kernel/notifier.c:93) [ 1223.878580] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 1223.878614] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 1223.878649] ? 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) [ 1223.878683] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 1223.878720] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 1223.878748] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 1223.878782] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 1223.878819] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 1223.878853] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 1223.878888] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 1223.878924] [ 1223.878945] [ 1223.878966] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1223.879000] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1223.879028] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 1223.879062] netdev_core_pick_tx (net/core/dev.c:4211) [ 1223.879090] __dev_queue_xmit (net/core/dev.c:4295) [ 1223.879117] ? eth_header (net/ethernet/eth.c:85) [ 1223.879145] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 1223.879172] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 1223.879213] mld_sendpack (net/ipv6/mcast.c:1822) [ 1223.879240] mld_ifc_work (net/ipv6/mcast.c:2652) [ 1223.879267] process_one_work (kernel/workqueue.c:3254) [ 1223.879294] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1223.879329] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 1223.879357] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1223.879391] kthread (kernel/kthread.c:388) [ 1223.879419] ? __pfx_kthread (kernel/kthread.c:341) [ 1223.879445] ret_from_fork (arch/x86/kernel/process.c:147) [ 1223.879471] ? __pfx_kthread (kernel/kthread.c:341) [ 1223.879497] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 1246.266392] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 1199613 jiffies s: 77 root: 0x2/. | [ 1246.266519] rcu: blocking rcu_node structures (internal RCU debug): | [ 1246.266557] Sending NMI from CPU 2 to CPUs 1: | [ 1246.266594] NMI backtrace for cpu 1 [ 1246.266600] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1246.266601] Workqueue: mld mld_ifc_work [ 1246.266606] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1246.266609] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 1246.266611] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 1246.266612] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 1246.266613] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 1246.266613] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 1246.266614] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 1246.266615] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 1246.266617] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 1246.266618] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1246.266619] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 1246.266620] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1246.266621] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1246.266621] PKRU: 55555554 [ 1246.266622] Call Trace: [ 1246.266623] [ 1246.266625] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 1246.266627] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 1246.266631] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 1246.266635] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 1246.266638] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 1246.266639] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 1246.266642] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1246.266643] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1246.266645] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1246.266646] [ 1246.266647] [ 1246.266647] netdev_core_pick_tx (net/core/dev.c:4211) [ 1246.266650] __dev_queue_xmit (net/core/dev.c:4295) [ 1246.266652] ? eth_header (net/ethernet/eth.c:85) [ 1246.266655] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 1246.266658] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 1246.266661] mld_sendpack (net/ipv6/mcast.c:1822) [ 1246.266663] mld_ifc_work (net/ipv6/mcast.c:2652) [ 1246.266666] process_one_work (kernel/workqueue.c:3254) [ 1246.266669] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1246.266671] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 1246.266673] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1246.266674] kthread (kernel/kthread.c:388) [ 1246.266676] ? __pfx_kthread (kernel/kthread.c:341) [ 1246.266678] ret_from_fork (arch/x86/kernel/process.c:147) [ 1246.266680] ? __pfx_kthread (kernel/kthread.c:341) [ 1246.266689] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 1246.266693] | [ 1286.880386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 1286.880489] rcu: 1-....: (1284653 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=304018 | [ 1286.880549] rcu: (t=1281060 jiffies g=-219 q=807 ncpus=4) [ 1286.880625] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1286.880696] Workqueue: mld mld_ifc_work [ 1286.880728] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1286.880766] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 1286.880868] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 1286.880902] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 1286.880953] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 1286.881001] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 1286.881051] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 1286.881100] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 1286.881149] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 1286.881197] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1286.881238] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 1286.881288] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1286.881335] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1286.881384] PKRU: 55555554 [ 1286.881405] Call Trace: [ 1286.881420] [ 1286.881441] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 1286.881479] ? 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) [ 1286.881514] ? notifier_call_chain (kernel/notifier.c:93) [ 1286.881548] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 1286.881584] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 1286.881618] ? 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) [ 1286.881652] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 1286.881691] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 1286.881718] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 1286.881752] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 1286.881787] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 1286.881821] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 1286.881854] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 1286.881886] [ 1286.881906] [ 1286.881925] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1286.881960] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1286.881987] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 1286.882021] netdev_core_pick_tx (net/core/dev.c:4211) [ 1286.882053] __dev_queue_xmit (net/core/dev.c:4295) [ 1286.882080] ? eth_header (net/ethernet/eth.c:85) [ 1286.882107] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 1286.882134] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 1286.882170] mld_sendpack (net/ipv6/mcast.c:1822) [ 1286.882197] mld_ifc_work (net/ipv6/mcast.c:2652) [ 1286.882224] process_one_work (kernel/workqueue.c:3254) [ 1286.882252] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1286.882287] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 1286.882314] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1286.882348] kthread (kernel/kthread.c:388) [ 1286.882376] ? __pfx_kthread (kernel/kthread.c:341) [ 1286.882403] ret_from_fork (arch/x86/kernel/process.c:147) [ 1286.882435] ? __pfx_kthread (kernel/kthread.c:341) [ 1286.882462] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 1311.802396] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 1265149 jiffies s: 77 root: 0x2/. | [ 1311.802517] rcu: blocking rcu_node structures (internal RCU debug): | [ 1311.802555] Sending NMI from CPU 2 to CPUs 1: | [ 1311.802592] NMI backtrace for cpu 1 [ 1311.802598] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1311.802599] Workqueue: mld mld_ifc_work [ 1311.802603] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1311.802606] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 1311.802607] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 1311.802609] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 1311.802609] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 1311.802610] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 1311.802611] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 1311.802612] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 1311.802614] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 1311.802615] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1311.802616] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 1311.802617] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1311.802618] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1311.802619] PKRU: 55555554 [ 1311.802619] Call Trace: [ 1311.802621] [ 1311.802622] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 1311.802624] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 1311.802629] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 1311.802632] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 1311.802635] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 1311.802636] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 1311.802639] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1311.802640] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1311.802642] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1311.802643] [ 1311.802644] [ 1311.802644] netdev_core_pick_tx (net/core/dev.c:4211) [ 1311.802648] __dev_queue_xmit (net/core/dev.c:4295) [ 1311.802650] ? eth_header (net/ethernet/eth.c:85) [ 1311.802652] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 1311.802655] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 1311.802658] mld_sendpack (net/ipv6/mcast.c:1822) [ 1311.802660] mld_ifc_work (net/ipv6/mcast.c:2652) [ 1311.802662] process_one_work (kernel/workqueue.c:3254) [ 1311.802666] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1311.802668] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 1311.802670] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1311.802671] kthread (kernel/kthread.c:388) [ 1311.802673] ? __pfx_kthread (kernel/kthread.c:341) [ 1311.802674] ret_from_fork (arch/x86/kernel/process.c:147) [ 1311.802676] ? __pfx_kthread (kernel/kthread.c:341) [ 1311.802677] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 1311.802681] | [ 1349.883387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 1349.883494] rcu: 1-....: (1347655 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=317836 | [ 1349.883555] rcu: (t=1344063 jiffies g=-219 q=807 ncpus=4) [ 1349.883632] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1349.883701] Workqueue: mld mld_ifc_work [ 1349.883735] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1349.883773] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 1349.883886] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 1349.883921] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 1349.883969] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 1349.884017] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 1349.884081] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 1349.884130] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 1349.884179] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 1349.884227] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1349.884267] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 1349.884314] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1349.884376] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1349.884428] PKRU: 55555554 [ 1349.884448] Call Trace: [ 1349.884463] [ 1349.884483] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 1349.884521] ? 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) [ 1349.884556] ? notifier_call_chain (kernel/notifier.c:93) [ 1349.884591] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 1349.884624] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 1349.884658] ? 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) [ 1349.884692] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 1349.884729] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 1349.884756] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 1349.884790] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 1349.884826] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 1349.884860] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 1349.884895] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 1349.884929] [ 1349.884950] [ 1349.884971] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1349.885010] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1349.885048] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 1349.885083] netdev_core_pick_tx (net/core/dev.c:4211) [ 1349.885114] __dev_queue_xmit (net/core/dev.c:4295) [ 1349.885141] ? eth_header (net/ethernet/eth.c:85) [ 1349.885169] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 1349.885200] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 1349.885234] mld_sendpack (net/ipv6/mcast.c:1822) [ 1349.885262] mld_ifc_work (net/ipv6/mcast.c:2652) [ 1349.885289] process_one_work (kernel/workqueue.c:3254) [ 1349.885324] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1349.885358] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 1349.885385] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1349.885420] kthread (kernel/kthread.c:388) [ 1349.885446] ? __pfx_kthread (kernel/kthread.c:341) [ 1349.885473] ret_from_fork (arch/x86/kernel/process.c:147) [ 1349.885499] ? __pfx_kthread (kernel/kthread.c:341) [ 1349.885526] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 1377.337396] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 1330684 jiffies s: 77 root: 0x2/. | [ 1377.337547] rcu: blocking rcu_node structures (internal RCU debug): | [ 1377.337594] Sending NMI from CPU 2 to CPUs 1: | [ 1377.337646] NMI backtrace for cpu 1 [ 1377.337652] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1377.337654] Workqueue: mld mld_ifc_work [ 1377.337660] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1377.337663] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 1377.337665] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 1377.337666] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 1377.337667] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 1377.337668] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 1377.337669] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 1377.337669] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 1377.337672] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 1377.337673] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1377.337673] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 1377.337674] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1377.337675] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1377.337675] PKRU: 55555554 [ 1377.337676] Call Trace: [ 1377.337677] [ 1377.337679] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 1377.337682] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 1377.337685] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 1377.337689] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 1377.337691] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 1377.337692] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 1377.337695] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1377.337697] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1377.337698] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1377.337700] [ 1377.337700] [ 1377.337700] netdev_core_pick_tx (net/core/dev.c:4211) [ 1377.337704] __dev_queue_xmit (net/core/dev.c:4295) [ 1377.337706] ? eth_header (net/ethernet/eth.c:85) [ 1377.337708] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 1377.337712] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 1377.337714] mld_sendpack (net/ipv6/mcast.c:1822) [ 1377.337717] mld_ifc_work (net/ipv6/mcast.c:2652) [ 1377.337719] process_one_work (kernel/workqueue.c:3254) [ 1377.337722] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1377.337724] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 1377.337726] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1377.337727] kthread (kernel/kthread.c:388) [ 1377.337729] ? __pfx_kthread (kernel/kthread.c:341) [ 1377.337731] ret_from_fork (arch/x86/kernel/process.c:147) [ 1377.337733] ? __pfx_kthread (kernel/kthread.c:341) [ 1377.337734] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 1377.337737] | [ 1412.886386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 1412.886486] rcu: 1-....: (1410657 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=331707 | [ 1412.886548] rcu: (t=1407066 jiffies g=-219 q=807 ncpus=4) [ 1412.886624] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1412.886698] Workqueue: mld mld_ifc_work [ 1412.886740] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1412.886778] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 1412.886879] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 1412.886914] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 1412.886962] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 1412.887012] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 1412.887061] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 1412.887109] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 1412.887159] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 1412.887211] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1412.887251] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 1412.887301] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1412.887349] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1412.887398] PKRU: 55555554 [ 1412.887418] Call Trace: [ 1412.887439] [ 1412.887459] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 1412.887499] ? 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) [ 1412.887533] ? notifier_call_chain (kernel/notifier.c:93) [ 1412.887568] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 1412.887603] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 1412.887637] ? 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) [ 1412.887672] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 1412.887716] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 1412.887748] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 1412.887782] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 1412.887817] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 1412.887850] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 1412.887883] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 1412.887916] [ 1412.887935] [ 1412.887955] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1412.887990] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1412.888017] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 1412.888052] netdev_core_pick_tx (net/core/dev.c:4211) [ 1412.888079] __dev_queue_xmit (net/core/dev.c:4295) [ 1412.888106] ? eth_header (net/ethernet/eth.c:85) [ 1412.888134] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 1412.888161] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 1412.888195] mld_sendpack (net/ipv6/mcast.c:1822) [ 1412.888223] mld_ifc_work (net/ipv6/mcast.c:2652) [ 1412.888249] process_one_work (kernel/workqueue.c:3254) [ 1412.888282] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1412.888329] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 1412.888367] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1412.888413] kthread (kernel/kthread.c:388) [ 1412.888451] ? __pfx_kthread (kernel/kthread.c:341) [ 1412.888488] ret_from_fork (arch/x86/kernel/process.c:147) [ 1412.888526] ? __pfx_kthread (kernel/kthread.c:341) [ 1412.888563] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 1442.873400] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 1396220 jiffies s: 77 root: 0x2/. | [ 1442.873587] rcu: blocking rcu_node structures (internal RCU debug): | [ 1442.873625] Sending NMI from CPU 2 to CPUs 1: | [ 1442.873664] NMI backtrace for cpu 1 [ 1442.873670] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1442.873672] Workqueue: mld mld_ifc_work [ 1442.873677] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 1442.873680] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 1442.873682] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 1442.873683] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 1442.873684] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 1442.873685] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 1442.873686] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 1442.873687] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 1442.873689] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 1442.873690] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1442.873691] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 1442.873692] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1442.873693] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1442.873693] PKRU: 55555554 [ 1442.873694] Call Trace: [ 1442.873695] [ 1442.873697] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 1442.873701] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 1442.873704] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 1442.873708] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 1442.873710] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 1442.873711] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 1442.873714] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 1442.873716] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 1442.873717] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 1442.873719] [ 1442.873719] [ 1442.873720] netdev_core_pick_tx (net/core/dev.c:4211) [ 1442.873724] __dev_queue_xmit (net/core/dev.c:4295) [ 1442.873726] ? eth_header (net/ethernet/eth.c:85) [ 1442.873729] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 1442.873732] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 1442.873735] mld_sendpack (net/ipv6/mcast.c:1822) [ 1442.873737] mld_ifc_work (net/ipv6/mcast.c:2652) [ 1442.873740] process_one_work (kernel/workqueue.c:3254) [ 1442.873743] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1442.873744] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 1442.873746] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1442.873748] kthread (kernel/kthread.c:388) [ 1442.873750] ? __pfx_kthread (kernel/kthread.c:341) [ 1442.873751] ret_from_fork (arch/x86/kernel/process.c:147) [ 1442.873754] ? __pfx_kthread (kernel/kthread.c:341) [ 1442.873755] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 1442.873758] | [ 1475.889386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 1475.889631] rcu: 1-....: (1473659 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=345703 | [ 1475.889689] rcu: (t=1470069 jiffies g=-219 q=807 ncpus=4) [ 1475.889765] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1475.889837] Workqueue: mld mld_ifc_work [ 1475.889872] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1475.889910] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 1475.890017] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 1475.890050] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 1475.890100] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 1475.890149] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 1475.890199] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 1475.890248] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 1475.890299] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 1475.890350] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1475.890390] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 1475.890438] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1475.890482] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1475.890530] PKRU: 55555554 [ 1475.890550] Call Trace: [ 1475.890571] [ 1475.890591] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 1475.890631] ? 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) [ 1475.890665] ? notifier_call_chain (kernel/notifier.c:93) [ 1475.890701] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 1475.890736] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 1475.890771] ? 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) [ 1475.890805] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 1475.890844] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 1475.890872] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 1475.890906] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 1475.890942] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 1475.890976] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 1475.891010] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 1475.891045] [ 1475.891065] [ 1475.891079] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1475.891114] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1475.891140] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 1475.891175] netdev_core_pick_tx (net/core/dev.c:4211) [ 1475.891203] __dev_queue_xmit (net/core/dev.c:4295) [ 1475.891230] ? eth_header (net/ethernet/eth.c:85) [ 1475.891257] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 1475.891284] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 1475.891318] mld_sendpack (net/ipv6/mcast.c:1822) [ 1475.891346] mld_ifc_work (net/ipv6/mcast.c:2652) [ 1475.891372] process_one_work (kernel/workqueue.c:3254) [ 1475.891400] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1475.891434] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 1475.891461] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1475.891496] kthread (kernel/kthread.c:388) [ 1475.891523] ? __pfx_kthread (kernel/kthread.c:341) [ 1475.891550] ret_from_fork (arch/x86/kernel/process.c:147) [ 1475.891576] ? __pfx_kthread (kernel/kthread.c:341) [ 1475.891602] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 1508.409397] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 1461756 jiffies s: 77 root: 0x2/. | [ 1508.409594] rcu: blocking rcu_node structures (internal RCU debug): | [ 1508.409631] Sending NMI from CPU 2 to CPUs 1: | [ 1508.409669] NMI backtrace for cpu 1 [ 1508.409675] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1508.409676] Workqueue: mld mld_ifc_work [ 1508.409681] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1508.409684] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 1508.409686] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 1508.409687] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 1508.409688] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 1508.409688] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 1508.409689] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 1508.409690] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 1508.409693] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 1508.409694] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1508.409695] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 1508.409696] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1508.409696] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1508.409697] PKRU: 55555554 [ 1508.409697] Call Trace: [ 1508.409699] [ 1508.409700] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 1508.409703] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 1508.409706] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 1508.409711] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 1508.409713] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 1508.409714] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 1508.409717] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1508.409719] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1508.409720] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1508.409722] [ 1508.409722] [ 1508.409722] netdev_core_pick_tx (net/core/dev.c:4211) [ 1508.409727] __dev_queue_xmit (net/core/dev.c:4295) [ 1508.409728] ? eth_header (net/ethernet/eth.c:85) [ 1508.409731] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 1508.409735] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 1508.409737] mld_sendpack (net/ipv6/mcast.c:1822) [ 1508.409740] mld_ifc_work (net/ipv6/mcast.c:2652) [ 1508.409742] process_one_work (kernel/workqueue.c:3254) [ 1508.409745] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1508.409746] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 1508.409748] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1508.409750] kthread (kernel/kthread.c:388) [ 1508.409752] ? __pfx_kthread (kernel/kthread.c:341) [ 1508.409753] ret_from_fork (arch/x86/kernel/process.c:147) [ 1508.409756] ? __pfx_kthread (kernel/kthread.c:341) [ 1508.409757] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 1508.409760] | [ 1538.892387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 1538.892552] rcu: 1-....: (1536661 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=359669 | [ 1538.892610] rcu: (t=1533072 jiffies g=-219 q=807 ncpus=4) [ 1538.892688] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1538.892758] Workqueue: mld mld_ifc_work [ 1538.892792] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1538.892830] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 1538.892933] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 1538.892967] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 1538.893016] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 1538.893065] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 1538.893115] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 1538.893163] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 1538.893215] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 1538.893266] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1538.893306] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 1538.893356] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1538.893404] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1538.893454] PKRU: 55555554 [ 1538.893475] Call Trace: [ 1538.893490] [ 1538.893510] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 1538.893548] ? 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) [ 1538.893584] ? notifier_call_chain (kernel/notifier.c:93) [ 1538.893618] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 1538.893652] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 1538.893686] ? 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) [ 1538.893721] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 1538.893759] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 1538.893786] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 1538.893820] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 1538.893854] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 1538.893887] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 1538.893920] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 1538.893953] [ 1538.893972] [ 1538.893986] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1538.894022] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1538.894049] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 1538.894083] netdev_core_pick_tx (net/core/dev.c:4211) [ 1538.894116] __dev_queue_xmit (net/core/dev.c:4295) [ 1538.894142] ? eth_header (net/ethernet/eth.c:85) [ 1538.894170] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 1538.894198] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 1538.894232] mld_sendpack (net/ipv6/mcast.c:1822) [ 1538.894259] mld_ifc_work (net/ipv6/mcast.c:2652) [ 1538.894287] process_one_work (kernel/workqueue.c:3254) [ 1538.894314] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1538.894349] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 1538.894376] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1538.894411] kthread (kernel/kthread.c:388) [ 1538.894438] ? __pfx_kthread (kernel/kthread.c:341) [ 1538.894465] ret_from_fork (arch/x86/kernel/process.c:147) [ 1538.894492] ? __pfx_kthread (kernel/kthread.c:341) [ 1538.894520] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 1573.946399] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 1527293 jiffies s: 77 root: 0x2/. | [ 1573.946594] rcu: blocking rcu_node structures (internal RCU debug): | [ 1573.946633] Sending NMI from CPU 2 to CPUs 1: | [ 1573.946676] NMI backtrace for cpu 1 [ 1573.946686] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1573.946688] Workqueue: mld mld_ifc_work [ 1573.946697] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1573.946703] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 1573.946705] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 1573.946706] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 1573.946707] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 1573.946708] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 1573.946709] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 1573.946710] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 1573.946714] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 1573.946715] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1573.946715] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 1573.946716] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1573.946717] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1573.946718] PKRU: 55555554 [ 1573.946718] Call Trace: [ 1573.946721] [ 1573.946724] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 1573.946728] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 1573.946733] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 1573.946739] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 1573.946742] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 1573.946743] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 1573.946748] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1573.946749] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1573.946751] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1573.946753] [ 1573.946753] [ 1573.946754] netdev_core_pick_tx (net/core/dev.c:4211) [ 1573.946759] __dev_queue_xmit (net/core/dev.c:4295) [ 1573.946761] ? eth_header (net/ethernet/eth.c:85) [ 1573.946766] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 1573.946770] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 1573.946773] mld_sendpack (net/ipv6/mcast.c:1822) [ 1573.946777] mld_ifc_work (net/ipv6/mcast.c:2652) [ 1573.946779] process_one_work (kernel/workqueue.c:3254) [ 1573.946784] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1573.946786] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 1573.946788] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1573.946790] kthread (kernel/kthread.c:388) [ 1573.946792] ? __pfx_kthread (kernel/kthread.c:341) [ 1573.946794] ret_from_fork (arch/x86/kernel/process.c:147) [ 1573.946798] ? __pfx_kthread (kernel/kthread.c:341) [ 1573.946799] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 1573.946804] | [ 1601.895387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 1601.895488] rcu: 1-....: (1599663 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=373615 | [ 1601.895551] rcu: (t=1596075 jiffies g=-219 q=807 ncpus=4) [ 1601.895633] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1601.895704] Workqueue: mld mld_ifc_work [ 1601.895740] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1601.895780] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 1601.895886] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 1601.895921] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 1601.895970] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 1601.896018] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 1601.896070] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 1601.896118] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 1601.896171] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 1601.896224] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1601.896265] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 1601.896313] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1601.896358] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1601.896410] PKRU: 55555554 [ 1601.896430] Call Trace: [ 1601.896451] [ 1601.896472] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 1601.896510] ? 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) [ 1601.896546] ? notifier_call_chain (kernel/notifier.c:93) [ 1601.896580] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 1601.896617] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 1601.896652] ? 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) [ 1601.896687] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 1601.896725] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 1601.896752] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 1601.896787] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 1601.896821] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 1601.896857] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 1601.896891] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 1601.896928] [ 1601.896948] [ 1601.896968] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1601.897007] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1601.897033] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 1601.897067] netdev_core_pick_tx (net/core/dev.c:4211) [ 1601.897100] __dev_queue_xmit (net/core/dev.c:4295) [ 1601.897130] ? eth_header (net/ethernet/eth.c:85) [ 1601.897161] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 1601.897193] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 1601.897230] mld_sendpack (net/ipv6/mcast.c:1822) [ 1601.897258] mld_ifc_work (net/ipv6/mcast.c:2652) [ 1601.897287] process_one_work (kernel/workqueue.c:3254) [ 1601.897318] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1601.897352] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 1601.897380] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1601.897415] kthread (kernel/kthread.c:388) [ 1601.897442] ? __pfx_kthread (kernel/kthread.c:341) [ 1601.897468] ret_from_fork (arch/x86/kernel/process.c:147) [ 1601.897499] ? __pfx_kthread (kernel/kthread.c:341) [ 1601.897526] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 1639.482399] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 1592829 jiffies s: 77 root: 0x2/. | [ 1639.482519] rcu: blocking rcu_node structures (internal RCU debug): | [ 1639.482557] Sending NMI from CPU 2 to CPUs 1: | [ 1639.482598] NMI backtrace for cpu 1 [ 1639.482605] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1639.482607] Workqueue: mld mld_ifc_work [ 1639.482614] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1639.482618] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 1639.482620] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 1639.482621] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 1639.482622] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 1639.482623] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 1639.482625] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 1639.482625] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 1639.482629] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 1639.482630] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1639.482631] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 1639.482632] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1639.482632] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1639.482633] PKRU: 55555554 [ 1639.482634] Call Trace: [ 1639.482636] [ 1639.482638] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 1639.482641] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 1639.482645] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 1639.482649] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 1639.482651] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 1639.482652] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 1639.482656] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1639.482658] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1639.482659] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1639.482661] [ 1639.482661] [ 1639.482661] netdev_core_pick_tx (net/core/dev.c:4211) [ 1639.482666] __dev_queue_xmit (net/core/dev.c:4295) [ 1639.482668] ? eth_header (net/ethernet/eth.c:85) [ 1639.482672] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 1639.482676] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 1639.482678] mld_sendpack (net/ipv6/mcast.c:1822) [ 1639.482682] mld_ifc_work (net/ipv6/mcast.c:2652) [ 1639.482684] process_one_work (kernel/workqueue.c:3254) [ 1639.482687] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1639.482689] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 1639.482691] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1639.482692] kthread (kernel/kthread.c:388) [ 1639.482695] ? __pfx_kthread (kernel/kthread.c:341) [ 1639.482696] ret_from_fork (arch/x86/kernel/process.c:147) [ 1639.482700] ? __pfx_kthread (kernel/kthread.c:341) [ 1639.482701] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 1639.482705] | [ 1664.898387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 1664.898498] rcu: 1-....: (1662665 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=387767 | [ 1664.898558] rcu: (t=1659078 jiffies g=-219 q=807 ncpus=4) [ 1664.898639] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1664.898710] Workqueue: mld mld_ifc_work [ 1664.898744] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1664.898790] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 1664.898893] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 1664.898927] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 1664.898984] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 1664.899034] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 1664.899083] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 1664.899132] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 1664.899183] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 1664.899240] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1664.899287] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 1664.899347] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1664.899418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1664.899467] PKRU: 55555554 [ 1664.899487] Call Trace: [ 1664.899509] [ 1664.899529] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 1664.899570] ? 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) [ 1664.899604] ? notifier_call_chain (kernel/notifier.c:93) [ 1664.899638] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 1664.899672] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 1664.899707] ? 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) [ 1664.899752] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 1664.899792] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 1664.899820] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 1664.899855] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 1664.899889] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 1664.899923] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 1664.899955] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 1664.899989] [ 1664.900003] [ 1664.900017] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1664.900054] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1664.900093] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 1664.900129] netdev_core_pick_tx (net/core/dev.c:4211) [ 1664.900162] __dev_queue_xmit (net/core/dev.c:4295) [ 1664.900189] ? eth_header (net/ethernet/eth.c:85) [ 1664.900216] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 1664.900244] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 1664.900278] mld_sendpack (net/ipv6/mcast.c:1822) [ 1664.900305] mld_ifc_work (net/ipv6/mcast.c:2652) [ 1664.900333] process_one_work (kernel/workqueue.c:3254) [ 1664.900369] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1664.900416] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 1664.900443] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1664.900478] kthread (kernel/kthread.c:388) [ 1664.900505] ? __pfx_kthread (kernel/kthread.c:341) [ 1664.900533] ret_from_fork (arch/x86/kernel/process.c:147) [ 1664.900560] ? __pfx_kthread (kernel/kthread.c:341) [ 1664.900587] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 1705.018394] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 1658365 jiffies s: 77 root: 0x2/. | [ 1705.018579] rcu: blocking rcu_node structures (internal RCU debug): | [ 1705.018617] Sending NMI from CPU 2 to CPUs 1: | [ 1705.018656] NMI backtrace for cpu 1 [ 1705.018664] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1705.018666] Workqueue: mld mld_ifc_work [ 1705.018673] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1705.018678] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 1705.018679] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 1705.018681] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 1705.018682] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 1705.018683] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 1705.018684] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 1705.018684] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 1705.018687] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 1705.018688] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1705.018689] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 1705.018690] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1705.018690] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1705.018691] PKRU: 55555554 [ 1705.018692] Call Trace: [ 1705.018693] [ 1705.018695] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 1705.018698] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 1705.018703] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 1705.018707] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 1705.018709] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 1705.018710] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 1705.018714] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1705.018716] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1705.018717] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1705.018719] [ 1705.018719] [ 1705.018719] netdev_core_pick_tx (net/core/dev.c:4211) [ 1705.018724] __dev_queue_xmit (net/core/dev.c:4295) [ 1705.018726] ? eth_header (net/ethernet/eth.c:85) [ 1705.018730] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 1705.018733] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 1705.018736] mld_sendpack (net/ipv6/mcast.c:1822) [ 1705.018739] mld_ifc_work (net/ipv6/mcast.c:2652) [ 1705.018741] process_one_work (kernel/workqueue.c:3254) [ 1705.018745] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1705.018747] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 1705.018749] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1705.018750] kthread (kernel/kthread.c:388) [ 1705.018752] ? __pfx_kthread (kernel/kthread.c:341) [ 1705.018754] ret_from_fork (arch/x86/kernel/process.c:147) [ 1705.018756] ? __pfx_kthread (kernel/kthread.c:341) [ 1705.018757] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 1705.018760] | [ 1727.901397] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 1727.901521] rcu: 1-....: (1725667 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=402199 | [ 1727.901600] rcu: (t=1722081 jiffies g=-219 q=807 ncpus=4) [ 1727.901699] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1727.901797] Workqueue: mld mld_ifc_work [ 1727.901842] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 1727.901891] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 1727.902034] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 1727.902079] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 1727.902145] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 1727.902231] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 1727.902299] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 1727.902359] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 1727.902409] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 1727.902461] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1727.902510] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 1727.902562] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1727.902608] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1727.902656] PKRU: 55555554 [ 1727.902675] Call Trace: [ 1727.902697] [ 1727.902718] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 1727.902759] ? 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) [ 1727.902795] ? notifier_call_chain (kernel/notifier.c:93) [ 1727.902845] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 1727.902881] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 1727.902915] ? 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) [ 1727.902951] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 1727.902993] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 1727.903021] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 1727.903056] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 1727.903092] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 1727.903126] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 1727.903161] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 1727.903195] [ 1727.903215] [ 1727.903240] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1727.903281] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 1727.903309] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 1727.903343] netdev_core_pick_tx (net/core/dev.c:4211) [ 1727.903374] __dev_queue_xmit (net/core/dev.c:4295) [ 1727.903420] ? eth_header (net/ethernet/eth.c:85) [ 1727.903447] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 1727.903474] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 1727.903508] mld_sendpack (net/ipv6/mcast.c:1822) [ 1727.903537] mld_ifc_work (net/ipv6/mcast.c:2652) [ 1727.903563] process_one_work (kernel/workqueue.c:3254) [ 1727.903603] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1727.903638] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 1727.903665] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1727.903699] kthread (kernel/kthread.c:388) [ 1727.903725] ? __pfx_kthread (kernel/kthread.c:341) [ 1727.903752] ret_from_fork (arch/x86/kernel/process.c:147) [ 1727.903778] ? __pfx_kthread (kernel/kthread.c:341) [ 1727.903811] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 1770.554396] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 1723901 jiffies s: 77 root: 0x2/. | [ 1770.554518] rcu: blocking rcu_node structures (internal RCU debug): | [ 1770.554557] Sending NMI from CPU 2 to CPUs 1: | [ 1770.554595] NMI backtrace for cpu 1 [ 1770.554602] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1770.554604] Workqueue: mld mld_ifc_work [ 1770.554611] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1770.554615] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 1770.554617] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 1770.554618] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 1770.554619] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 1770.554620] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 1770.554621] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 1770.554622] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 1770.554625] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 1770.554626] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1770.554627] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 1770.554627] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1770.554628] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1770.554629] PKRU: 55555554 [ 1770.554629] Call Trace: [ 1770.554632] [ 1770.554633] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 1770.554636] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 1770.554641] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 1770.554645] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 1770.554647] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 1770.554648] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 1770.554651] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1770.554653] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1770.554655] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1770.554656] [ 1770.554656] [ 1770.554657] netdev_core_pick_tx (net/core/dev.c:4211) [ 1770.554661] __dev_queue_xmit (net/core/dev.c:4295) [ 1770.554663] ? eth_header (net/ethernet/eth.c:85) [ 1770.554667] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 1770.554671] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 1770.554674] mld_sendpack (net/ipv6/mcast.c:1822) [ 1770.554677] mld_ifc_work (net/ipv6/mcast.c:2652) [ 1770.554679] process_one_work (kernel/workqueue.c:3254) [ 1770.554683] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1770.554685] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 1770.554686] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1770.554688] kthread (kernel/kthread.c:388) [ 1770.554690] ? __pfx_kthread (kernel/kthread.c:341) [ 1770.554692] ret_from_fork (arch/x86/kernel/process.c:147) [ 1770.554695] ? __pfx_kthread (kernel/kthread.c:341) [ 1770.554696] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 1770.554700] | [ 1790.904399] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 1790.904583] rcu: 1-....: (1788669 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=416345 | [ 1790.904642] rcu: (t=1785084 jiffies g=-219 q=807 ncpus=4) [ 1790.904727] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1790.904797] Workqueue: mld mld_ifc_work [ 1790.904834] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1790.904875] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 1790.904983] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 1790.905018] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 1790.905067] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 1790.905116] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 1790.905165] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 1790.905214] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 1790.905266] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 1790.905319] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1790.905360] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 1790.905411] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1790.905459] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1790.905507] PKRU: 55555554 [ 1790.905527] Call Trace: [ 1790.905551] [ 1790.905578] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 1790.905618] ? 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) [ 1790.905655] ? notifier_call_chain (kernel/notifier.c:93) [ 1790.905689] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 1790.905723] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 1790.905757] ? 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) [ 1790.905792] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 1790.905829] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 1790.905857] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 1790.905891] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 1790.905927] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 1790.905960] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 1790.905996] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 1790.906029] [ 1790.906043] [ 1790.906063] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1790.906099] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1790.906126] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 1790.906160] netdev_core_pick_tx (net/core/dev.c:4211) [ 1790.906194] __dev_queue_xmit (net/core/dev.c:4295) [ 1790.906220] ? eth_header (net/ethernet/eth.c:85) [ 1790.906248] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 1790.906279] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 1790.906313] mld_sendpack (net/ipv6/mcast.c:1822) [ 1790.906342] mld_ifc_work (net/ipv6/mcast.c:2652) [ 1790.906369] process_one_work (kernel/workqueue.c:3254) [ 1790.906400] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1790.906434] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 1790.906462] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1790.906497] kthread (kernel/kthread.c:388) [ 1790.906525] ? __pfx_kthread (kernel/kthread.c:341) [ 1790.906553] ret_from_fork (arch/x86/kernel/process.c:147) [ 1790.906580] ? __pfx_kthread (kernel/kthread.c:341) [ 1790.906607] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 1836.090401] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 1789437 jiffies s: 77 root: 0x2/. | [ 1836.090528] rcu: blocking rcu_node structures (internal RCU debug): | [ 1836.090571] Sending NMI from CPU 2 to CPUs 1: | [ 1836.090620] NMI backtrace for cpu 1 [ 1836.090628] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1836.090630] Workqueue: mld mld_ifc_work [ 1836.090636] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1836.090641] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 1836.090643] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 1836.090644] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 1836.090645] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 1836.090646] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 1836.090647] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 1836.090648] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 1836.090650] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 1836.090651] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1836.090652] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 1836.090653] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1836.090654] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1836.090654] PKRU: 55555554 [ 1836.090655] Call Trace: [ 1836.090658] [ 1836.090660] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 1836.090663] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 1836.090667] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 1836.090671] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 1836.090673] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 1836.090674] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 1836.090678] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1836.090680] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1836.090681] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1836.090683] [ 1836.090683] [ 1836.090683] netdev_core_pick_tx (net/core/dev.c:4211) [ 1836.090688] __dev_queue_xmit (net/core/dev.c:4295) [ 1836.090690] ? eth_header (net/ethernet/eth.c:85) [ 1836.090694] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 1836.090698] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 1836.090700] mld_sendpack (net/ipv6/mcast.c:1822) [ 1836.090704] mld_ifc_work (net/ipv6/mcast.c:2652) [ 1836.090706] process_one_work (kernel/workqueue.c:3254) [ 1836.090710] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1836.090711] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 1836.090713] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1836.090715] kthread (kernel/kthread.c:388) [ 1836.090717] ? __pfx_kthread (kernel/kthread.c:341) [ 1836.090718] ret_from_fork (arch/x86/kernel/process.c:147) [ 1836.090721] ? __pfx_kthread (kernel/kthread.c:341) [ 1836.090722] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 1836.090725] | [ 1853.907387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 1853.907512] rcu: 1-....: (1851671 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=430328 | [ 1853.907572] rcu: (t=1848087 jiffies g=-219 q=807 ncpus=4) [ 1853.907657] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1853.907730] Workqueue: mld mld_ifc_work [ 1853.907768] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1853.907809] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 1853.907915] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 1853.907950] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 1853.908000] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 1853.908048] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 1853.908098] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 1853.908147] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 1853.908198] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 1853.908250] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1853.908290] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 1853.908338] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1853.908384] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1853.908432] PKRU: 55555554 [ 1853.908452] Call Trace: [ 1853.908473] [ 1853.908493] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 1853.908533] ? 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) [ 1853.908567] ? notifier_call_chain (kernel/notifier.c:93) [ 1853.908601] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 1853.908639] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 1853.908674] ? 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) [ 1853.908709] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 1853.908749] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 1853.908779] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 1853.908814] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 1853.908848] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 1853.908882] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 1853.908917] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 1853.908959] [ 1853.908979] [ 1853.909000] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1853.909038] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1853.909065] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 1853.909099] netdev_core_pick_tx (net/core/dev.c:4211) [ 1853.909132] __dev_queue_xmit (net/core/dev.c:4295) [ 1853.909162] ? eth_header (net/ethernet/eth.c:85) [ 1853.909196] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 1853.909227] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 1853.909264] mld_sendpack (net/ipv6/mcast.c:1822) [ 1853.909291] mld_ifc_work (net/ipv6/mcast.c:2652) [ 1853.909321] process_one_work (kernel/workqueue.c:3254) [ 1853.909349] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1853.909383] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 1853.909411] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1853.909444] kthread (kernel/kthread.c:388) [ 1853.909472] ? __pfx_kthread (kernel/kthread.c:341) [ 1853.909498] ret_from_fork (arch/x86/kernel/process.c:147) [ 1853.909528] ? __pfx_kthread (kernel/kthread.c:341) [ 1853.909555] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 1901.626393] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 1854973 jiffies s: 77 root: 0x2/. | [ 1901.626578] rcu: blocking rcu_node structures (internal RCU debug): | [ 1901.626622] Sending NMI from CPU 2 to CPUs 1: | [ 1901.626664] NMI backtrace for cpu 1 [ 1901.626671] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1901.626673] Workqueue: mld mld_ifc_work [ 1901.626680] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1901.626684] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 1901.626686] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 1901.626687] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 1901.626688] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 1901.626689] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 1901.626690] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 1901.626691] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 1901.626694] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 1901.626695] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1901.626695] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 1901.626696] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1901.626697] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1901.626698] PKRU: 55555554 [ 1901.626698] Call Trace: [ 1901.626700] [ 1901.626703] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 1901.626705] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 1901.626710] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 1901.626714] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 1901.626716] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 1901.626717] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 1901.626721] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1901.626723] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1901.626725] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1901.626726] [ 1901.626727] [ 1901.626727] netdev_core_pick_tx (net/core/dev.c:4211) [ 1901.626731] __dev_queue_xmit (net/core/dev.c:4295) [ 1901.626733] ? eth_header (net/ethernet/eth.c:85) [ 1901.626737] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 1901.626741] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 1901.626743] mld_sendpack (net/ipv6/mcast.c:1822) [ 1901.626747] mld_ifc_work (net/ipv6/mcast.c:2652) [ 1901.626749] process_one_work (kernel/workqueue.c:3254) [ 1901.626752] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1901.626754] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 1901.626756] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1901.626757] kthread (kernel/kthread.c:388) [ 1901.626759] ? __pfx_kthread (kernel/kthread.c:341) [ 1901.626761] ret_from_fork (arch/x86/kernel/process.c:147) [ 1901.626764] ? __pfx_kthread (kernel/kthread.c:341) [ 1901.626765] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 1901.626770] | [ 1916.910387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 1916.910491] rcu: 1-....: (1914673 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=444539 | [ 1916.910552] rcu: (t=1911090 jiffies g=-219 q=807 ncpus=4) [ 1916.910632] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1916.910703] Workqueue: mld mld_ifc_work [ 1916.910740] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 1916.910778] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 1916.910882] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 1916.910916] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 1916.910965] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 1916.911014] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 1916.911062] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 1916.911110] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 1916.911161] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 1916.911212] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1916.911252] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 1916.911302] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1916.911350] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1916.911399] PKRU: 55555554 [ 1916.911421] Call Trace: [ 1916.911437] [ 1916.911457] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 1916.911495] ? 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) [ 1916.911530] ? notifier_call_chain (kernel/notifier.c:93) [ 1916.911564] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 1916.911599] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 1916.911633] ? 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) [ 1916.911670] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 1916.911708] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 1916.911735] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 1916.911769] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 1916.911803] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 1916.911836] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 1916.911869] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 1916.911903] [ 1916.911922] [ 1916.911936] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1916.911971] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 1916.911998] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 1916.912032] netdev_core_pick_tx (net/core/dev.c:4211) [ 1916.912060] __dev_queue_xmit (net/core/dev.c:4295) [ 1916.912087] ? eth_header (net/ethernet/eth.c:85) [ 1916.912114] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 1916.912142] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 1916.912177] mld_sendpack (net/ipv6/mcast.c:1822) [ 1916.912204] mld_ifc_work (net/ipv6/mcast.c:2652) [ 1916.912231] process_one_work (kernel/workqueue.c:3254) [ 1916.912259] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1916.912293] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 1916.912321] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1916.912356] kthread (kernel/kthread.c:388) [ 1916.912383] ? __pfx_kthread (kernel/kthread.c:341) [ 1916.912411] ret_from_fork (arch/x86/kernel/process.c:147) [ 1916.912438] ? __pfx_kthread (kernel/kthread.c:341) [ 1916.912466] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 1967.162398] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 1920508 jiffies s: 77 root: 0x2/. | [ 1967.162523] rcu: blocking rcu_node structures (internal RCU debug): | [ 1967.162560] Sending NMI from CPU 2 to CPUs 1: | [ 1967.162598] NMI backtrace for cpu 1 [ 1967.162610] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1967.162614] Workqueue: mld mld_ifc_work [ 1967.162625] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 1967.162631] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 1967.162632] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 1967.162633] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 1967.162635] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 1967.162636] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 1967.162637] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 1967.162638] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 1967.162640] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 1967.162641] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1967.162642] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 1967.162643] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1967.162644] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1967.162644] PKRU: 55555554 [ 1967.162645] Call Trace: [ 1967.162649] [ 1967.162654] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 1967.162659] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 1967.162663] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 1967.162668] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 1967.162670] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 1967.162671] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 1967.162674] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 1967.162676] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 1967.162678] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 1967.162679] [ 1967.162680] [ 1967.162680] netdev_core_pick_tx (net/core/dev.c:4211) [ 1967.162684] __dev_queue_xmit (net/core/dev.c:4295) [ 1967.162687] ? eth_header (net/ethernet/eth.c:85) [ 1967.162691] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 1967.162695] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 1967.162697] mld_sendpack (net/ipv6/mcast.c:1822) [ 1967.162700] mld_ifc_work (net/ipv6/mcast.c:2652) [ 1967.162703] process_one_work (kernel/workqueue.c:3254) [ 1967.162707] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1967.162708] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 1967.162710] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1967.162712] kthread (kernel/kthread.c:388) [ 1967.162714] ? __pfx_kthread (kernel/kthread.c:341) [ 1967.162716] ret_from_fork (arch/x86/kernel/process.c:147) [ 1967.162719] ? __pfx_kthread (kernel/kthread.c:341) [ 1967.162720] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 1967.162724] | [ 1979.913387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 1979.913498] rcu: 1-....: (1977675 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=458386 | [ 1979.913575] rcu: (t=1974093 jiffies g=-219 q=807 ncpus=4) [ 1979.913656] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1979.913732] Workqueue: mld mld_ifc_work [ 1979.913768] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1979.913811] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 1979.913920] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 1979.913956] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 1979.914007] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 1979.914059] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 1979.914109] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 1979.914161] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 1979.914214] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 1979.914265] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1979.914308] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 1979.914359] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1979.914408] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1979.914460] PKRU: 55555554 [ 1979.914482] Call Trace: [ 1979.914498] [ 1979.914521] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 1979.914560] ? 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) [ 1979.914596] ? notifier_call_chain (kernel/notifier.c:93) [ 1979.914633] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 1979.914670] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 1979.914707] ? 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) [ 1979.914743] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 1979.914780] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 1979.914810] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 1979.914846] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 1979.914883] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 1979.914920] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 1979.914958] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 1979.914994] [ 1979.915017] [ 1979.915039] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1979.915077] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1979.915106] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 1979.915143] netdev_core_pick_tx (net/core/dev.c:4211) [ 1979.915173] __dev_queue_xmit (net/core/dev.c:4295) [ 1979.915202] ? eth_header (net/ethernet/eth.c:85) [ 1979.915232] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 1979.915263] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 1979.915299] mld_sendpack (net/ipv6/mcast.c:1822) [ 1979.915328] mld_ifc_work (net/ipv6/mcast.c:2652) [ 1979.915358] process_one_work (kernel/workqueue.c:3254) [ 1979.915387] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1979.915426] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 1979.915456] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1979.915492] kthread (kernel/kthread.c:388) [ 1979.915522] ? __pfx_kthread (kernel/kthread.c:341) [ 1979.915551] ret_from_fork (arch/x86/kernel/process.c:147) [ 1979.915579] ? __pfx_kthread (kernel/kthread.c:341) [ 1979.915608] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 2032.698394] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 1986045 jiffies s: 77 root: 0x2/. | [ 2032.698596] rcu: blocking rcu_node structures (internal RCU debug): | [ 2032.698634] Sending NMI from CPU 2 to CPUs 1: | [ 2032.698672] NMI backtrace for cpu 1 [ 2032.698679] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2032.698681] Workqueue: mld mld_ifc_work [ 2032.698688] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2032.698693] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 2032.698694] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 2032.698696] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 2032.698697] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 2032.698697] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 2032.698698] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 2032.698699] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 2032.698702] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 2032.698703] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2032.698704] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 2032.698705] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2032.698706] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2032.698706] PKRU: 55555554 [ 2032.698707] Call Trace: [ 2032.698709] [ 2032.698711] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 2032.698714] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 2032.698718] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 2032.698722] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 2032.698724] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 2032.698725] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 2032.698729] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2032.698731] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2032.698732] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2032.698734] [ 2032.698734] [ 2032.698735] netdev_core_pick_tx (net/core/dev.c:4211) [ 2032.698739] __dev_queue_xmit (net/core/dev.c:4295) [ 2032.698741] ? eth_header (net/ethernet/eth.c:85) [ 2032.698745] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 2032.698749] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 2032.698751] mld_sendpack (net/ipv6/mcast.c:1822) [ 2032.698755] mld_ifc_work (net/ipv6/mcast.c:2652) [ 2032.698757] process_one_work (kernel/workqueue.c:3254) [ 2032.698760] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2032.698762] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 2032.698764] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2032.698766] kthread (kernel/kthread.c:388) [ 2032.698768] ? __pfx_kthread (kernel/kthread.c:341) [ 2032.698770] ret_from_fork (arch/x86/kernel/process.c:147) [ 2032.698773] ? __pfx_kthread (kernel/kthread.c:341) [ 2032.698774] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 2032.698778] | [ 2042.916387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 2042.916552] rcu: 1-....: (2040677 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=472236 | [ 2042.916615] rcu: (t=2037096 jiffies g=-219 q=807 ncpus=4) [ 2042.916690] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2042.916761] Workqueue: mld mld_ifc_work [ 2042.916795] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2042.916831] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 2042.916935] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 2042.916969] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 2042.917017] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 2042.917066] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 2042.917115] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 2042.917163] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 2042.917213] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 2042.917265] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2042.917305] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 2042.917354] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2042.917402] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2042.917450] PKRU: 55555554 [ 2042.917470] Call Trace: [ 2042.917491] [ 2042.917511] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 2042.917552] ? 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) [ 2042.917586] ? notifier_call_chain (kernel/notifier.c:93) [ 2042.917622] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 2042.917657] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 2042.917691] ? 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) [ 2042.917725] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 2042.917763] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 2042.917790] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 2042.917826] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 2042.917861] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 2042.917894] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 2042.917927] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 2042.917961] [ 2042.917981] [ 2042.918001] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 2042.918036] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2042.918063] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 2042.918098] netdev_core_pick_tx (net/core/dev.c:4211) [ 2042.918132] __dev_queue_xmit (net/core/dev.c:4295) [ 2042.918158] ? eth_header (net/ethernet/eth.c:85) [ 2042.918185] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 2042.918213] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 2042.918249] mld_sendpack (net/ipv6/mcast.c:1822) [ 2042.918278] mld_ifc_work (net/ipv6/mcast.c:2652) [ 2042.918305] process_one_work (kernel/workqueue.c:3254) [ 2042.918335] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2042.918368] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 2042.918396] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2042.918430] kthread (kernel/kthread.c:388) [ 2042.918458] ? __pfx_kthread (kernel/kthread.c:341) [ 2042.918485] ret_from_fork (arch/x86/kernel/process.c:147) [ 2042.918513] ? __pfx_kthread (kernel/kthread.c:341) [ 2042.918540] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 2098.233392] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2051580 jiffies s: 77 root: 0x2/. | [ 2098.233601] rcu: blocking rcu_node structures (internal RCU debug): | [ 2098.233646] Sending NMI from CPU 2 to CPUs 1: | [ 2098.233689] NMI backtrace for cpu 1 [ 2098.233694] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2098.233696] Workqueue: mld mld_ifc_work [ 2098.233703] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2098.233707] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 2098.233708] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 2098.233710] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 2098.233711] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 2098.233712] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 2098.233713] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 2098.233714] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 2098.233716] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 2098.233717] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2098.233718] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 2098.233719] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2098.233719] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2098.233720] PKRU: 55555554 [ 2098.233721] Call Trace: [ 2098.233722] [ 2098.233725] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 2098.233728] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 2098.233732] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 2098.233736] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 2098.233738] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 2098.233739] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 2098.233743] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2098.233744] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2098.233746] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2098.233747] [ 2098.233748] [ 2098.233748] netdev_core_pick_tx (net/core/dev.c:4211) [ 2098.233753] __dev_queue_xmit (net/core/dev.c:4295) [ 2098.233755] ? eth_header (net/ethernet/eth.c:85) [ 2098.233758] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 2098.233762] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 2098.233765] mld_sendpack (net/ipv6/mcast.c:1822) [ 2098.233768] mld_ifc_work (net/ipv6/mcast.c:2652) [ 2098.233770] process_one_work (kernel/workqueue.c:3254) [ 2098.233773] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2098.233775] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 2098.233777] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2098.233778] kthread (kernel/kthread.c:388) [ 2098.233780] ? __pfx_kthread (kernel/kthread.c:341) [ 2098.233781] ret_from_fork (arch/x86/kernel/process.c:147) [ 2098.233784] ? __pfx_kthread (kernel/kthread.c:341) [ 2098.233785] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 2098.233790] | [ 2105.919385] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 2105.919554] rcu: 1-....: (2103679 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=487225 | [ 2105.919613] rcu: (t=2100099 jiffies g=-219 q=807 ncpus=4) [ 2105.919694] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2105.919769] Workqueue: mld mld_ifc_work [ 2105.919806] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 2105.919849] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 2105.919961] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 2105.919998] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 2105.920049] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 2105.920101] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 2105.920148] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 2105.920194] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 2105.920243] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 2105.920293] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2105.920335] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 2105.920382] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2105.920431] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2105.920477] PKRU: 55555554 [ 2105.920492] Call Trace: [ 2105.920514] [ 2105.920535] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 2105.920574] ? 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) [ 2105.920610] ? notifier_call_chain (kernel/notifier.c:93) [ 2105.920647] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 2105.920683] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 2105.920719] ? 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) [ 2105.920757] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 2105.920794] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 2105.920822] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 2105.920859] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 2105.920895] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 2105.920932] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 2105.920968] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 2105.921004] [ 2105.921020] [ 2105.921035] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 2105.921072] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 2105.921100] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 2105.921136] netdev_core_pick_tx (net/core/dev.c:4211) [ 2105.921166] __dev_queue_xmit (net/core/dev.c:4295) [ 2105.921194] ? eth_header (net/ethernet/eth.c:85) [ 2105.921223] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 2105.921252] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 2105.921287] mld_sendpack (net/ipv6/mcast.c:1822) [ 2105.921316] mld_ifc_work (net/ipv6/mcast.c:2652) [ 2105.921343] process_one_work (kernel/workqueue.c:3254) [ 2105.921375] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2105.921411] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 2105.921440] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2105.921476] kthread (kernel/kthread.c:388) [ 2105.921505] ? __pfx_kthread (kernel/kthread.c:341) [ 2105.921534] ret_from_fork (arch/x86/kernel/process.c:147) [ 2105.921562] ? __pfx_kthread (kernel/kthread.c:341) [ 2105.921590] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 2163.769393] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2117116 jiffies s: 77 root: 0x2/. | [ 2163.769536] rcu: blocking rcu_node structures (internal RCU debug): | [ 2163.769574] Sending NMI from CPU 2 to CPUs 1: | [ 2163.769611] NMI backtrace for cpu 1 [ 2163.769617] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2163.769619] Workqueue: mld mld_ifc_work [ 2163.769625] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 2163.769630] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 2163.769631] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 2163.769633] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 2163.769634] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 2163.769635] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 2163.769636] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 2163.769636] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 2163.769639] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 2163.769641] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2163.769642] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 2163.769642] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2163.769643] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2163.769644] PKRU: 55555554 [ 2163.769644] Call Trace: [ 2163.769646] [ 2163.769649] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 2163.769652] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 2163.769656] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 2163.769660] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 2163.769662] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 2163.769663] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 2163.769667] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 2163.769669] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 2163.769670] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 2163.769672] [ 2163.769672] [ 2163.769673] netdev_core_pick_tx (net/core/dev.c:4211) [ 2163.769677] __dev_queue_xmit (net/core/dev.c:4295) [ 2163.769680] ? eth_header (net/ethernet/eth.c:85) [ 2163.769683] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 2163.769687] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 2163.769690] mld_sendpack (net/ipv6/mcast.c:1822) [ 2163.769693] mld_ifc_work (net/ipv6/mcast.c:2652) [ 2163.769695] process_one_work (kernel/workqueue.c:3254) [ 2163.769698] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2163.769700] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 2163.769702] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2163.769704] kthread (kernel/kthread.c:388) [ 2163.769706] ? __pfx_kthread (kernel/kthread.c:341) [ 2163.769707] ret_from_fork (arch/x86/kernel/process.c:147) [ 2163.769709] ? __pfx_kthread (kernel/kthread.c:341) [ 2163.769711] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 2163.769714] | [ 2168.922386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 2168.922532] rcu: 1-....: (2166681 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=502829 | [ 2168.922581] rcu: (t=2163102 jiffies g=-219 q=807 ncpus=4) [ 2168.922648] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2168.922711] Workqueue: mld mld_ifc_work [ 2168.922743] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 2168.922779] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 2168.922878] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 2168.922908] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 2168.922950] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 2168.922987] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 2168.923030] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 2168.923068] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 2168.923107] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 2168.923149] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2168.923184] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 2168.923223] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2168.923264] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2168.923301] PKRU: 55555554 [ 2168.923314] Call Trace: [ 2168.923328] [ 2168.923346] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 2168.923378] ? 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) [ 2168.923408] ? notifier_call_chain (kernel/notifier.c:93) [ 2168.923438] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 2168.923469] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 2168.923499] ? 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) [ 2168.923529] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 2168.923560] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 2168.923584] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 2168.923614] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 2168.923644] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 2168.923675] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 2168.923705] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 2168.923735] [ 2168.923747] [ 2168.923760] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 2168.923791] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 2168.923818] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 2168.923845] netdev_core_pick_tx (net/core/dev.c:4211) [ 2168.923870] __dev_queue_xmit (net/core/dev.c:4295) [ 2168.923893] ? eth_header (net/ethernet/eth.c:85) [ 2168.923918] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 2168.923942] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 2168.923972] mld_sendpack (net/ipv6/mcast.c:1822) [ 2168.923997] mld_ifc_work (net/ipv6/mcast.c:2652) [ 2168.924020] process_one_work (kernel/workqueue.c:3254) [ 2168.924045] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2168.924075] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 2168.924099] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2168.924129] kthread (kernel/kthread.c:388) [ 2168.924153] ? __pfx_kthread (kernel/kthread.c:341) [ 2168.924177] ret_from_fork (arch/x86/kernel/process.c:147) [ 2168.924202] ? __pfx_kthread (kernel/kthread.c:341) [ 2168.924225] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 2229.305392] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2182652 jiffies s: 77 root: 0x2/. | [ 2229.305529] rcu: blocking rcu_node structures (internal RCU debug): | [ 2229.305567] Sending NMI from CPU 2 to CPUs 1: | [ 2229.305603] NMI backtrace for cpu 1 [ 2229.305609] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2229.305611] Workqueue: mld mld_ifc_work [ 2229.305617] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2229.305621] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 2229.305623] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 2229.305624] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 2229.305625] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 2229.305626] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 2229.305627] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 2229.305628] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 2229.305630] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 2229.305632] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2229.305632] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 2229.305633] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2229.305634] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2229.305634] PKRU: 55555554 [ 2229.305635] Call Trace: [ 2229.305637] [ 2229.305639] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 2229.305642] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 2229.305646] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 2229.305650] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 2229.305652] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 2229.305653] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 2229.305657] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2229.305659] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2229.305660] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2229.305662] [ 2229.305662] [ 2229.305662] netdev_core_pick_tx (net/core/dev.c:4211) [ 2229.305667] __dev_queue_xmit (net/core/dev.c:4295) [ 2229.305669] ? eth_header (net/ethernet/eth.c:85) [ 2229.305673] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 2229.305677] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 2229.305680] mld_sendpack (net/ipv6/mcast.c:1822) [ 2229.305683] mld_ifc_work (net/ipv6/mcast.c:2652) [ 2229.305685] process_one_work (kernel/workqueue.c:3254) [ 2229.305689] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2229.305690] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 2229.305692] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2229.305694] kthread (kernel/kthread.c:388) [ 2229.305696] ? __pfx_kthread (kernel/kthread.c:341) [ 2229.305697] ret_from_fork (arch/x86/kernel/process.c:147) [ 2229.305700] ? __pfx_kthread (kernel/kthread.c:341) [ 2229.305701] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 2229.305705] | [ 2231.925385] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 2231.925561] rcu: 1-....: (2229684 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=518365 | [ 2231.925631] rcu: (t=2226105 jiffies g=-219 q=807 ncpus=4) [ 2231.925698] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2231.925760] Workqueue: mld mld_ifc_work [ 2231.925790] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 2231.925821] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 2231.925913] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 2231.925943] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 2231.925986] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 2231.926023] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 2231.926066] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 2231.926103] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 2231.926141] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 2231.926183] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2231.926219] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 2231.926257] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2231.926299] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2231.926336] PKRU: 55555554 [ 2231.926348] Call Trace: [ 2231.926361] [ 2231.926380] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 2231.926412] ? 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) [ 2231.926443] ? notifier_call_chain (kernel/notifier.c:93) [ 2231.926473] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 2231.926504] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 2231.926534] ? 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) [ 2231.926564] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 2231.926595] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 2231.926619] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 2231.926649] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 2231.926679] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 2231.926710] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 2231.926740] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 2231.926770] [ 2231.926782] [ 2231.926795] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 2231.926826] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 2231.926850] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 2231.926880] netdev_core_pick_tx (net/core/dev.c:4211) [ 2231.926905] __dev_queue_xmit (net/core/dev.c:4295) [ 2231.926929] ? eth_header (net/ethernet/eth.c:85) [ 2231.926953] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 2231.926977] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 2231.927007] mld_sendpack (net/ipv6/mcast.c:1822) [ 2231.927032] mld_ifc_work (net/ipv6/mcast.c:2652) [ 2231.927056] process_one_work (kernel/workqueue.c:3254) [ 2231.927080] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2231.927110] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 2231.927134] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2231.927164] kthread (kernel/kthread.c:388) [ 2231.927189] ? __pfx_kthread (kernel/kthread.c:341) [ 2231.927213] ret_from_fork (arch/x86/kernel/process.c:147) [ 2231.927237] ? __pfx_kthread (kernel/kthread.c:341) [ 2231.927260] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 2294.841408] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2248188 jiffies s: 77 root: 0x2/. | [ 2294.841619] rcu: blocking rcu_node structures (internal RCU debug): | [ 2294.841659] Sending NMI from CPU 2 to CPUs 1: | [ 2294.841702] NMI backtrace for cpu 1 [ 2294.841709] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2294.841711] Workqueue: mld mld_ifc_work [ 2294.841717] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 2294.841723] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 2294.841725] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 2294.841726] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 2294.841727] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 2294.841728] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 2294.841729] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 2294.841730] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 2294.841733] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 2294.841734] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2294.841735] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 2294.841736] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2294.841736] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2294.841737] PKRU: 55555554 [ 2294.841738] Call Trace: [ 2294.841743] [ 2294.841749] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 2294.841753] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 2294.841757] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 2294.841761] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 2294.841763] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 2294.841765] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 2294.841769] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 2294.841770] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 2294.841772] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 2294.841774] [ 2294.841774] [ 2294.841774] netdev_core_pick_tx (net/core/dev.c:4211) [ 2294.841779] __dev_queue_xmit (net/core/dev.c:4295) [ 2294.841781] ? eth_header (net/ethernet/eth.c:85) [ 2294.841785] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 2294.841788] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 2294.841791] mld_sendpack (net/ipv6/mcast.c:1822) [ 2294.841794] mld_ifc_work (net/ipv6/mcast.c:2652) [ 2294.841796] process_one_work (kernel/workqueue.c:3254) [ 2294.841800] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2294.841801] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 2294.841803] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2294.841805] kthread (kernel/kthread.c:388) [ 2294.841807] ? __pfx_kthread (kernel/kthread.c:341) [ 2294.841808] ret_from_fork (arch/x86/kernel/process.c:147) [ 2294.841811] ? __pfx_kthread (kernel/kthread.c:341) [ 2294.841812] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 2294.841815] | [ 2294.928385] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 2294.928540] rcu: 1-....: (2292687 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=533857 | [ 2294.928590] rcu: (t=2289108 jiffies g=-219 q=807 ncpus=4) [ 2294.928657] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2294.928718] Workqueue: mld mld_ifc_work [ 2294.928742] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 2294.928773] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 2294.928865] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 2294.928896] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 2294.928933] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 2294.928971] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 2294.929008] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 2294.929045] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 2294.929084] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 2294.929127] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2294.929162] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 2294.929201] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2294.929242] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2294.929280] PKRU: 55555554 [ 2294.929292] Call Trace: [ 2294.929305] [ 2294.929317] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 2294.929347] ? 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) [ 2294.929378] ? notifier_call_chain (kernel/notifier.c:93) [ 2294.929408] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 2294.929438] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 2294.929469] ? 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) [ 2294.929499] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 2294.929529] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 2294.929553] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 2294.929584] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 2294.929614] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 2294.929644] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 2294.929674] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 2294.929705] [ 2294.929717] [ 2294.929729] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 2294.929760] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 2294.929784] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 2294.929814] netdev_core_pick_tx (net/core/dev.c:4211) [ 2294.929838] __dev_queue_xmit (net/core/dev.c:4295) [ 2294.929862] ? eth_header (net/ethernet/eth.c:85) [ 2294.929887] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 2294.929911] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 2294.929941] mld_sendpack (net/ipv6/mcast.c:1822) [ 2294.929965] mld_ifc_work (net/ipv6/mcast.c:2652) [ 2294.929989] process_one_work (kernel/workqueue.c:3254) [ 2294.930013] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2294.930044] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 2294.930068] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2294.930098] kthread (kernel/kthread.c:388) [ 2294.930122] ? __pfx_kthread (kernel/kthread.c:341) [ 2294.930146] ret_from_fork (arch/x86/kernel/process.c:147) [ 2294.930171] ? __pfx_kthread (kernel/kthread.c:341) [ 2294.930195] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 2294.930220] | [ 2357.931386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 2357.931503] rcu: 1-....: (2355690 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=549390 | [ 2357.931552] rcu: (t=2352111 jiffies g=-219 q=807 ncpus=4) [ 2357.931623] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2357.931685] Workqueue: mld mld_ifc_work [ 2357.931716] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2357.931750] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 2357.931842] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 2357.931872] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 2357.931914] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 2357.931951] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 2357.931994] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 2357.932031] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 2357.932076] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 2357.932117] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2357.932153] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 2357.932197] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2357.932239] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2357.932276] PKRU: 55555554 [ 2357.932288] Call Trace: [ 2357.932302] [ 2357.932321] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 2357.932353] ? 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) [ 2357.932385] ? notifier_call_chain (kernel/notifier.c:93) [ 2357.932419] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 2357.932449] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 2357.932480] ? 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) [ 2357.932510] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 2357.932540] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 2357.932564] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 2357.932595] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 2357.932625] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 2357.932656] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 2357.932686] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 2357.932716] [ 2357.932728] [ 2357.932741] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 2357.932772] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2357.932795] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 2357.932825] netdev_core_pick_tx (net/core/dev.c:4211) [ 2357.932850] __dev_queue_xmit (net/core/dev.c:4295) [ 2357.932874] ? eth_header (net/ethernet/eth.c:85) [ 2357.932898] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 2357.932922] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 2357.932952] mld_sendpack (net/ipv6/mcast.c:1822) [ 2357.932977] mld_ifc_work (net/ipv6/mcast.c:2652) [ 2357.933001] process_one_work (kernel/workqueue.c:3254) [ 2357.933025] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2357.933055] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 2357.933079] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2357.933109] kthread (kernel/kthread.c:388) [ 2357.933134] ? __pfx_kthread (kernel/kthread.c:341) [ 2357.933158] ret_from_fork (arch/x86/kernel/process.c:147) [ 2357.933182] ? __pfx_kthread (kernel/kthread.c:341) [ 2357.933206] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 2360.377395] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2313724 jiffies s: 77 root: 0x2/. | [ 2360.377525] rcu: blocking rcu_node structures (internal RCU debug): | [ 2360.377570] Sending NMI from CPU 2 to CPUs 1: | [ 2360.377609] NMI backtrace for cpu 1 [ 2360.377614] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2360.377615] Workqueue: mld mld_ifc_work [ 2360.377619] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2360.377622] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 2360.377623] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 2360.377624] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 2360.377625] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 2360.377626] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 2360.377627] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 2360.377628] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 2360.377630] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 2360.377631] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2360.377632] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 2360.377633] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2360.377633] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2360.377634] PKRU: 55555554 [ 2360.377635] Call Trace: [ 2360.377636] [ 2360.377637] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 2360.377640] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 2360.377643] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 2360.377647] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 2360.377649] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 2360.377650] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 2360.377653] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2360.377655] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2360.377656] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2360.377658] [ 2360.377658] [ 2360.377659] netdev_core_pick_tx (net/core/dev.c:4211) [ 2360.377662] __dev_queue_xmit (net/core/dev.c:4295) [ 2360.377664] ? eth_header (net/ethernet/eth.c:85) [ 2360.377667] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 2360.377671] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 2360.377673] mld_sendpack (net/ipv6/mcast.c:1822) [ 2360.377676] mld_ifc_work (net/ipv6/mcast.c:2652) [ 2360.377678] process_one_work (kernel/workqueue.c:3254) [ 2360.377680] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2360.377682] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 2360.377684] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2360.377686] kthread (kernel/kthread.c:388) [ 2360.377687] ? __pfx_kthread (kernel/kthread.c:341) [ 2360.377689] ret_from_fork (arch/x86/kernel/process.c:147) [ 2360.377691] ? __pfx_kthread (kernel/kthread.c:341) [ 2360.377692] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 2360.377695] | [ 2420.934386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 2420.934495] rcu: 1-....: (2418693 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=564833 | [ 2420.934544] rcu: (t=2415114 jiffies g=-219 q=807 ncpus=4) [ 2420.934612] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2420.934675] Workqueue: mld mld_ifc_work [ 2420.934705] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2420.934738] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 2420.934831] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 2420.934861] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 2420.934904] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 2420.934946] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 2420.934989] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 2420.935032] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 2420.935071] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 2420.935113] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2420.935149] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 2420.935193] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2420.935234] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2420.935271] PKRU: 55555554 [ 2420.935284] Call Trace: [ 2420.935298] [ 2420.935316] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 2420.935351] ? 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) [ 2420.935382] ? notifier_call_chain (kernel/notifier.c:93) [ 2420.935417] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 2420.935447] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 2420.935477] ? 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) [ 2420.935508] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 2420.935538] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 2420.935562] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 2420.935592] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 2420.935623] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 2420.935653] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 2420.935683] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 2420.935714] [ 2420.935726] [ 2420.935739] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 2420.935769] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2420.935793] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 2420.935823] netdev_core_pick_tx (net/core/dev.c:4211) [ 2420.935848] __dev_queue_xmit (net/core/dev.c:4295) [ 2420.935871] ? eth_header (net/ethernet/eth.c:85) [ 2420.935895] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 2420.935920] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 2420.935950] mld_sendpack (net/ipv6/mcast.c:1822) [ 2420.935975] mld_ifc_work (net/ipv6/mcast.c:2652) [ 2420.935998] process_one_work (kernel/workqueue.c:3254) [ 2420.936022] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2420.936051] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 2420.936076] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2420.936106] kthread (kernel/kthread.c:388) [ 2420.936130] ? __pfx_kthread (kernel/kthread.c:341) [ 2420.936154] ret_from_fork (arch/x86/kernel/process.c:147) [ 2420.936178] ? __pfx_kthread (kernel/kthread.c:341) [ 2420.936202] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 2425.913392] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2379260 jiffies s: 77 root: 0x2/. | [ 2425.913554] rcu: blocking rcu_node structures (internal RCU debug): | [ 2425.913592] Sending NMI from CPU 2 to CPUs 1: | [ 2425.913629] NMI backtrace for cpu 1 [ 2425.913634] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2425.913636] Workqueue: mld mld_ifc_work [ 2425.913642] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2425.913646] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 2425.913648] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 2425.913649] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 2425.913650] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 2425.913651] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 2425.913652] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 2425.913653] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 2425.913656] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 2425.913657] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2425.913657] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 2425.913658] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2425.913659] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2425.913660] PKRU: 55555554 [ 2425.913660] Call Trace: [ 2425.913662] [ 2425.913664] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 2425.913667] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 2425.913671] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 2425.913675] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 2425.913677] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 2425.913678] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 2425.913682] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2425.913684] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2425.913685] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2425.913687] [ 2425.913687] [ 2425.913687] netdev_core_pick_tx (net/core/dev.c:4211) [ 2425.913692] __dev_queue_xmit (net/core/dev.c:4295) [ 2425.913694] ? eth_header (net/ethernet/eth.c:85) [ 2425.913698] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 2425.913702] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 2425.913704] mld_sendpack (net/ipv6/mcast.c:1822) [ 2425.913708] mld_ifc_work (net/ipv6/mcast.c:2652) [ 2425.913710] process_one_work (kernel/workqueue.c:3254) [ 2425.913713] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2425.913715] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 2425.913717] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2425.913718] kthread (kernel/kthread.c:388) [ 2425.913720] ? __pfx_kthread (kernel/kthread.c:341) [ 2425.913722] ret_from_fork (arch/x86/kernel/process.c:147) [ 2425.913724] ? __pfx_kthread (kernel/kthread.c:341) [ 2425.913725] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 2425.913729] | [ 2483.937386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 2483.937509] rcu: 1-....: (2481696 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=580398 | [ 2483.937559] rcu: (t=2478117 jiffies g=-219 q=807 ncpus=4) [ 2483.937630] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2483.937694] Workqueue: mld mld_ifc_work [ 2483.937730] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2483.937763] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 2483.937855] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 2483.937884] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 2483.937927] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 2483.937964] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 2483.938006] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 2483.938049] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 2483.938088] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 2483.938137] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2483.938185] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 2483.938224] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2483.938265] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2483.938302] PKRU: 55555554 [ 2483.938314] Call Trace: [ 2483.938330] [ 2483.938351] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 2483.938385] ? 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) [ 2483.938416] ? notifier_call_chain (kernel/notifier.c:93) [ 2483.938446] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 2483.938476] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 2483.938506] ? 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) [ 2483.938536] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 2483.938566] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 2483.938590] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 2483.938620] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 2483.938651] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 2483.938681] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 2483.938711] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 2483.938741] [ 2483.938753] [ 2483.938765] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 2483.938796] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2483.938819] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 2483.938849] netdev_core_pick_tx (net/core/dev.c:4211) [ 2483.938874] __dev_queue_xmit (net/core/dev.c:4295) [ 2483.938897] ? eth_header (net/ethernet/eth.c:85) [ 2483.938921] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 2483.938946] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 2483.938976] mld_sendpack (net/ipv6/mcast.c:1822) [ 2483.939000] mld_ifc_work (net/ipv6/mcast.c:2652) [ 2483.939023] process_one_work (kernel/workqueue.c:3254) [ 2483.939047] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2483.939077] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 2483.939101] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2483.939131] kthread (kernel/kthread.c:388) [ 2483.939155] ? __pfx_kthread (kernel/kthread.c:341) [ 2483.939179] ret_from_fork (arch/x86/kernel/process.c:147) [ 2483.939203] ? __pfx_kthread (kernel/kthread.c:341) [ 2483.939227] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 2491.449396] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2444796 jiffies s: 77 root: 0x2/. | [ 2491.449591] rcu: blocking rcu_node structures (internal RCU debug): | [ 2491.449628] Sending NMI from CPU 2 to CPUs 1: | [ 2491.449665] NMI backtrace for cpu 1 [ 2491.449678] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2491.449680] Workqueue: mld mld_ifc_work [ 2491.449685] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2491.449689] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 2491.449690] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 2491.449692] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 2491.449693] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 2491.449694] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 2491.449695] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 2491.449696] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 2491.449698] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 2491.449699] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2491.449700] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 2491.449701] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2491.449701] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2491.449702] PKRU: 55555554 [ 2491.449703] Call Trace: [ 2491.449704] [ 2491.449706] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 2491.449710] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 2491.449714] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 2491.449718] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 2491.449720] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 2491.449721] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 2491.449725] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2491.449727] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2491.449728] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2491.449730] [ 2491.449730] [ 2491.449731] netdev_core_pick_tx (net/core/dev.c:4211) [ 2491.449735] __dev_queue_xmit (net/core/dev.c:4295) [ 2491.449737] ? eth_header (net/ethernet/eth.c:85) [ 2491.449741] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 2491.449744] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 2491.449747] mld_sendpack (net/ipv6/mcast.c:1822) [ 2491.449750] mld_ifc_work (net/ipv6/mcast.c:2652) [ 2491.449752] process_one_work (kernel/workqueue.c:3254) [ 2491.449756] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2491.449758] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 2491.449760] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2491.449761] kthread (kernel/kthread.c:388) [ 2491.449764] ? __pfx_kthread (kernel/kthread.c:341) [ 2491.449765] ret_from_fork (arch/x86/kernel/process.c:147) [ 2491.449768] ? __pfx_kthread (kernel/kthread.c:341) [ 2491.449769] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 2491.449772] | [ 2546.940386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 2546.940581] rcu: 1-....: (2544699 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=595254 | [ 2546.940632] rcu: (t=2541120 jiffies g=-219 q=807 ncpus=4) [ 2546.940699] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2546.940761] Workqueue: mld mld_ifc_work [ 2546.940795] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2546.940828] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 2546.940920] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 2546.940950] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 2546.940993] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 2546.941036] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 2546.941078] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 2546.941121] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 2546.941160] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 2546.941202] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2546.941237] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 2546.941275] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2546.941317] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2546.941359] PKRU: 55555554 [ 2546.941372] Call Trace: [ 2546.941386] [ 2546.941404] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 2546.941436] ? 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) [ 2546.941467] ? notifier_call_chain (kernel/notifier.c:93) [ 2546.941497] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 2546.941527] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 2546.941558] ? 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) [ 2546.941589] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 2546.941619] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 2546.941643] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 2546.941673] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 2546.941704] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 2546.941734] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 2546.941765] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 2546.941795] [ 2546.941808] [ 2546.941825] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 2546.941856] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2546.941880] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 2546.941910] netdev_core_pick_tx (net/core/dev.c:4211) [ 2546.941935] __dev_queue_xmit (net/core/dev.c:4295) [ 2546.941958] ? eth_header (net/ethernet/eth.c:85) [ 2546.941983] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 2546.942007] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 2546.942037] mld_sendpack (net/ipv6/mcast.c:1822) [ 2546.942062] mld_ifc_work (net/ipv6/mcast.c:2652) [ 2546.942085] process_one_work (kernel/workqueue.c:3254) [ 2546.942109] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2546.942139] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 2546.942164] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2546.942194] kthread (kernel/kthread.c:388) [ 2546.942218] ? __pfx_kthread (kernel/kthread.c:341) [ 2546.942242] ret_from_fork (arch/x86/kernel/process.c:147) [ 2546.942266] ? __pfx_kthread (kernel/kthread.c:341) [ 2546.942290] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 2556.985393] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2510332 jiffies s: 77 root: 0x2/. | [ 2556.985628] rcu: blocking rcu_node structures (internal RCU debug): | [ 2556.985664] Sending NMI from CPU 2 to CPUs 1: | [ 2556.985701] NMI backtrace for cpu 1 [ 2556.985707] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2556.985709] Workqueue: mld mld_ifc_work [ 2556.985715] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2556.985720] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 2556.985721] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 2556.985723] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 2556.985724] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 2556.985725] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 2556.985726] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 2556.985726] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 2556.985729] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 2556.985731] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2556.985731] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 2556.985732] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2556.985733] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2556.985734] PKRU: 55555554 [ 2556.985734] Call Trace: [ 2556.985737] [ 2556.985739] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 2556.985741] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 2556.985746] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 2556.985750] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 2556.985753] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 2556.985754] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 2556.985757] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2556.985759] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2556.985761] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2556.985762] [ 2556.985762] [ 2556.985763] netdev_core_pick_tx (net/core/dev.c:4211) [ 2556.985768] __dev_queue_xmit (net/core/dev.c:4295) [ 2556.985770] ? eth_header (net/ethernet/eth.c:85) [ 2556.985774] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 2556.985777] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 2556.985780] mld_sendpack (net/ipv6/mcast.c:1822) [ 2556.985783] mld_ifc_work (net/ipv6/mcast.c:2652) [ 2556.985786] process_one_work (kernel/workqueue.c:3254) [ 2556.985789] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2556.985791] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 2556.985793] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2556.985794] kthread (kernel/kthread.c:388) [ 2556.985796] ? __pfx_kthread (kernel/kthread.c:341) [ 2556.985797] ret_from_fork (arch/x86/kernel/process.c:147) [ 2556.985800] ? __pfx_kthread (kernel/kthread.c:341) [ 2556.985801] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 2556.985805] | [ 2609.943385] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 2609.943511] rcu: 1-....: (2607702 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=610013 | [ 2609.943561] rcu: (t=2604123 jiffies g=-219 q=807 ncpus=4) [ 2609.943628] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2609.943691] Workqueue: mld mld_ifc_work [ 2609.943721] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2609.943754] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 2609.943847] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 2609.943877] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 2609.943920] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 2609.943957] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 2609.943995] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 2609.944032] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 2609.944071] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 2609.944113] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2609.944149] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 2609.944193] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2609.944234] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2609.944272] PKRU: 55555554 [ 2609.944284] Call Trace: [ 2609.944299] [ 2609.944316] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 2609.944352] ? 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) [ 2609.944382] ? notifier_call_chain (kernel/notifier.c:93) [ 2609.944413] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 2609.944443] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 2609.944474] ? 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) [ 2609.944505] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 2609.944546] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 2609.944570] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 2609.944600] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 2609.944631] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 2609.944662] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 2609.944692] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 2609.944722] [ 2609.944735] [ 2609.944747] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 2609.944778] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2609.944802] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 2609.944832] netdev_core_pick_tx (net/core/dev.c:4211) [ 2609.944857] __dev_queue_xmit (net/core/dev.c:4295) [ 2609.944881] ? eth_header (net/ethernet/eth.c:85) [ 2609.944905] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 2609.944930] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 2609.944960] mld_sendpack (net/ipv6/mcast.c:1822) [ 2609.944985] mld_ifc_work (net/ipv6/mcast.c:2652) [ 2609.945013] process_one_work (kernel/workqueue.c:3254) [ 2609.945037] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2609.945066] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 2609.945091] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2609.945121] kthread (kernel/kthread.c:388) [ 2609.945145] ? __pfx_kthread (kernel/kthread.c:341) [ 2609.945170] ret_from_fork (arch/x86/kernel/process.c:147) [ 2609.945194] ? __pfx_kthread (kernel/kthread.c:341) [ 2609.945218] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 2622.521396] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2575868 jiffies s: 77 root: 0x2/. | [ 2622.521588] rcu: blocking rcu_node structures (internal RCU debug): | [ 2622.521626] Sending NMI from CPU 2 to CPUs 1: | [ 2622.521663] NMI backtrace for cpu 1 [ 2622.521669] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2622.521670] Workqueue: mld mld_ifc_work [ 2622.521677] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2622.521682] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 2622.521683] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 2622.521685] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 2622.521686] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 2622.521687] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 2622.521688] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 2622.521689] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 2622.521691] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 2622.521692] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2622.521693] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 2622.521694] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2622.521695] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2622.521695] PKRU: 55555554 [ 2622.521696] Call Trace: [ 2622.521698] [ 2622.521700] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 2622.521703] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 2622.521707] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 2622.521711] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 2622.521714] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 2622.521715] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 2622.521719] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2622.521720] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2622.521722] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2622.521723] [ 2622.521723] [ 2622.521724] netdev_core_pick_tx (net/core/dev.c:4211) [ 2622.521729] __dev_queue_xmit (net/core/dev.c:4295) [ 2622.521731] ? eth_header (net/ethernet/eth.c:85) [ 2622.521734] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 2622.521738] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 2622.521741] mld_sendpack (net/ipv6/mcast.c:1822) [ 2622.521744] mld_ifc_work (net/ipv6/mcast.c:2652) [ 2622.521746] process_one_work (kernel/workqueue.c:3254) [ 2622.521750] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2622.521751] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 2622.521753] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2622.521755] kthread (kernel/kthread.c:388) [ 2622.521758] ? __pfx_kthread (kernel/kthread.c:341) [ 2622.521759] ret_from_fork (arch/x86/kernel/process.c:147) [ 2622.521762] ? __pfx_kthread (kernel/kthread.c:341) [ 2622.521764] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 2622.521768] | [ 2672.946385] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 2672.946493] rcu: 1-....: (2670705 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=625585 | [ 2672.946546] rcu: (t=2667126 jiffies g=-219 q=807 ncpus=4) [ 2672.946612] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2672.946675] Workqueue: mld mld_ifc_work [ 2672.946703] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2672.946737] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 2672.946831] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 2672.946861] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 2672.946904] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 2672.946946] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 2672.946989] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 2672.947026] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 2672.947064] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 2672.947106] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2672.947141] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 2672.947179] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2672.947221] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2672.947258] PKRU: 55555554 [ 2672.947270] Call Trace: [ 2672.947284] [ 2672.947302] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 2672.947333] ? 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) [ 2672.947363] ? notifier_call_chain (kernel/notifier.c:93) [ 2672.947394] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 2672.947424] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 2672.947454] ? 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) [ 2672.947484] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 2672.947520] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 2672.947544] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 2672.947574] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 2672.947604] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 2672.947634] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 2672.947664] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 2672.947695] [ 2672.947707] [ 2672.947719] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 2672.947750] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2672.947774] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 2672.947804] netdev_core_pick_tx (net/core/dev.c:4211) [ 2672.947828] __dev_queue_xmit (net/core/dev.c:4295) [ 2672.947852] ? eth_header (net/ethernet/eth.c:85) [ 2672.947876] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 2672.947900] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 2672.947930] mld_sendpack (net/ipv6/mcast.c:1822) [ 2672.947954] mld_ifc_work (net/ipv6/mcast.c:2652) [ 2672.947978] process_one_work (kernel/workqueue.c:3254) [ 2672.948002] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2672.948031] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 2672.948056] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2672.948086] kthread (kernel/kthread.c:388) [ 2672.948110] ? __pfx_kthread (kernel/kthread.c:341) [ 2672.948134] ret_from_fork (arch/x86/kernel/process.c:147) [ 2672.948157] ? __pfx_kthread (kernel/kthread.c:341) [ 2672.948181] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 2688.057393] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2641404 jiffies s: 77 root: 0x2/. | [ 2688.057586] rcu: blocking rcu_node structures (internal RCU debug): | [ 2688.057623] Sending NMI from CPU 2 to CPUs 1: | [ 2688.057660] NMI backtrace for cpu 1 [ 2688.057666] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2688.057668] Workqueue: mld mld_ifc_work [ 2688.057674] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2688.057679] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 2688.057680] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 2688.057682] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 2688.057683] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 2688.057684] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 2688.057685] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 2688.057685] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 2688.057688] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 2688.057689] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2688.057690] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 2688.057691] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2688.057691] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2688.057692] PKRU: 55555554 [ 2688.057693] Call Trace: [ 2688.057694] [ 2688.057696] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 2688.057700] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 2688.057704] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 2688.057708] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 2688.057711] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 2688.057712] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 2688.057716] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2688.057717] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2688.057719] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2688.057721] [ 2688.057721] [ 2688.057722] netdev_core_pick_tx (net/core/dev.c:4211) [ 2688.057726] __dev_queue_xmit (net/core/dev.c:4295) [ 2688.057728] ? eth_header (net/ethernet/eth.c:85) [ 2688.057731] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 2688.057735] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 2688.057738] mld_sendpack (net/ipv6/mcast.c:1822) [ 2688.057741] mld_ifc_work (net/ipv6/mcast.c:2652) [ 2688.057743] process_one_work (kernel/workqueue.c:3254) [ 2688.057747] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2688.057749] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 2688.057750] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2688.057752] kthread (kernel/kthread.c:388) [ 2688.057754] ? __pfx_kthread (kernel/kthread.c:341) [ 2688.057756] ret_from_fork (arch/x86/kernel/process.c:147) [ 2688.057759] ? __pfx_kthread (kernel/kthread.c:341) [ 2688.057760] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 2688.057763] | [ 2735.949386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 2735.949578] rcu: 1-....: (2733708 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=640721 | [ 2735.949633] rcu: (t=2730129 jiffies g=-219 q=807 ncpus=4) [ 2735.949699] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2735.949762] Workqueue: mld mld_ifc_work [ 2735.949791] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2735.949827] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 2735.949919] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 2735.949949] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 2735.949991] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 2735.950029] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 2735.950071] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 2735.950109] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 2735.950148] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 2735.950190] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2735.950225] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 2735.950269] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2735.950310] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2735.950348] PKRU: 55555554 [ 2735.950360] Call Trace: [ 2735.950374] [ 2735.950393] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 2735.950425] ? 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) [ 2735.950456] ? notifier_call_chain (kernel/notifier.c:93) [ 2735.950486] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 2735.950516] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 2735.950548] ? 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) [ 2735.950587] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 2735.950618] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 2735.950641] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 2735.950672] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 2735.950702] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 2735.950733] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 2735.950763] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 2735.950793] [ 2735.950805] [ 2735.950818] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 2735.950849] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2735.950872] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 2735.950902] netdev_core_pick_tx (net/core/dev.c:4211) [ 2735.950927] __dev_queue_xmit (net/core/dev.c:4295) [ 2735.950951] ? eth_header (net/ethernet/eth.c:85) [ 2735.950975] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 2735.951000] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 2735.951029] mld_sendpack (net/ipv6/mcast.c:1822) [ 2735.951054] mld_ifc_work (net/ipv6/mcast.c:2652) [ 2735.951078] process_one_work (kernel/workqueue.c:3254) [ 2735.951102] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2735.951131] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 2735.951156] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2735.951186] kthread (kernel/kthread.c:388) [ 2735.951210] ? __pfx_kthread (kernel/kthread.c:341) [ 2735.951234] ret_from_fork (arch/x86/kernel/process.c:147) [ 2735.951258] ? __pfx_kthread (kernel/kthread.c:341) [ 2735.951282] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 2753.594396] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2706941 jiffies s: 77 root: 0x2/. | [ 2753.594602] rcu: blocking rcu_node structures (internal RCU debug): | [ 2753.594643] Sending NMI from CPU 2 to CPUs 1: | [ 2753.594691] NMI backtrace for cpu 1 [ 2753.594696] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2753.594698] Workqueue: mld mld_ifc_work [ 2753.594703] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2753.594706] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 2753.594707] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 2753.594708] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 2753.594709] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 2753.594710] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 2753.594711] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 2753.594712] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 2753.594715] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 2753.594716] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2753.594717] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 2753.594718] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2753.594719] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2753.594720] PKRU: 55555554 [ 2753.594720] Call Trace: [ 2753.594721] [ 2753.594723] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 2753.594726] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 2753.594729] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 2753.594733] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 2753.594735] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 2753.594736] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 2753.594739] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2753.594740] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2753.594742] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2753.594743] [ 2753.594744] [ 2753.594744] netdev_core_pick_tx (net/core/dev.c:4211) [ 2753.594747] __dev_queue_xmit (net/core/dev.c:4295) [ 2753.594749] ? eth_header (net/ethernet/eth.c:85) [ 2753.594752] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 2753.594755] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 2753.594758] mld_sendpack (net/ipv6/mcast.c:1822) [ 2753.594761] mld_ifc_work (net/ipv6/mcast.c:2652) [ 2753.594763] process_one_work (kernel/workqueue.c:3254) [ 2753.594765] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2753.594767] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 2753.594769] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2753.594771] kthread (kernel/kthread.c:388) [ 2753.594772] ? __pfx_kthread (kernel/kthread.c:341) [ 2753.594774] ret_from_fork (arch/x86/kernel/process.c:147) [ 2753.594776] ? __pfx_kthread (kernel/kthread.c:341) [ 2753.594777] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 2753.594780] | [ 2798.952400] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 2798.952516] rcu: 1-....: (2796711 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=654762 | [ 2798.952566] rcu: (t=2793132 jiffies g=-219 q=807 ncpus=4) [ 2798.952637] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2798.952698] Workqueue: mld mld_ifc_work [ 2798.952727] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 2798.952759] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 2798.952853] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 2798.952883] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 2798.952926] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 2798.952968] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 2798.953011] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 2798.953053] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 2798.953092] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 2798.953134] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2798.953170] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 2798.953208] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2798.953249] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2798.953287] PKRU: 55555554 [ 2798.953299] Call Trace: [ 2798.953316] [ 2798.953338] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 2798.953371] ? 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) [ 2798.953401] ? notifier_call_chain (kernel/notifier.c:93) [ 2798.953432] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 2798.953462] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 2798.953492] ? 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) [ 2798.953522] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 2798.953552] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 2798.953576] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 2798.953606] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 2798.953637] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 2798.953667] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 2798.953697] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 2798.953727] [ 2798.953739] [ 2798.953752] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 2798.953783] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 2798.953806] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 2798.953836] netdev_core_pick_tx (net/core/dev.c:4211) [ 2798.953861] __dev_queue_xmit (net/core/dev.c:4295) [ 2798.953885] ? eth_header (net/ethernet/eth.c:85) [ 2798.953909] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 2798.953933] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 2798.953963] mld_sendpack (net/ipv6/mcast.c:1822) [ 2798.953987] mld_ifc_work (net/ipv6/mcast.c:2652) [ 2798.954011] process_one_work (kernel/workqueue.c:3254) [ 2798.954035] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2798.954064] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 2798.954088] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2798.954118] kthread (kernel/kthread.c:388) [ 2798.954142] ? __pfx_kthread (kernel/kthread.c:341) [ 2798.954166] ret_from_fork (arch/x86/kernel/process.c:147) [ 2798.954191] ? __pfx_kthread (kernel/kthread.c:341) [ 2798.954214] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 2819.130394] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2772477 jiffies s: 77 root: 0x2/. | [ 2819.130527] rcu: blocking rcu_node structures (internal RCU debug): | [ 2819.130569] Sending NMI from CPU 2 to CPUs 1: | [ 2819.130623] NMI backtrace for cpu 1 [ 2819.130629] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2819.130630] Workqueue: mld mld_ifc_work [ 2819.130635] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2819.130637] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 2819.130639] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 2819.130640] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 2819.130641] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 2819.130642] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 2819.130643] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 2819.130643] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 2819.130646] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 2819.130647] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2819.130648] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 2819.130649] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2819.130650] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2819.130650] PKRU: 55555554 [ 2819.130651] Call Trace: [ 2819.130652] [ 2819.130653] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 2819.130655] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 2819.130659] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 2819.130663] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 2819.130665] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 2819.130666] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 2819.130669] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2819.130670] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2819.130672] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2819.130673] [ 2819.130674] [ 2819.130674] netdev_core_pick_tx (net/core/dev.c:4211) [ 2819.130678] __dev_queue_xmit (net/core/dev.c:4295) [ 2819.130680] ? eth_header (net/ethernet/eth.c:85) [ 2819.130683] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 2819.130685] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 2819.130688] mld_sendpack (net/ipv6/mcast.c:1822) [ 2819.130690] mld_ifc_work (net/ipv6/mcast.c:2652) [ 2819.130692] process_one_work (kernel/workqueue.c:3254) [ 2819.130695] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2819.130697] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 2819.130699] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2819.130701] kthread (kernel/kthread.c:388) [ 2819.130703] ? __pfx_kthread (kernel/kthread.c:341) [ 2819.130704] ret_from_fork (arch/x86/kernel/process.c:147) [ 2819.130707] ? __pfx_kthread (kernel/kthread.c:341) [ 2819.130708] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 2819.130712] | [ 2861.955387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 2861.955514] rcu: 1-....: (2859714 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=668729 | [ 2861.955570] rcu: (t=2856135 jiffies g=-219 q=807 ncpus=4) [ 2861.955642] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2861.955704] Workqueue: mld mld_ifc_work [ 2861.955735] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2861.955769] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 2861.955861] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 2861.955891] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 2861.955934] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 2861.955971] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 2861.956008] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 2861.956045] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 2861.956084] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 2861.956126] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2861.956161] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 2861.956205] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2861.956246] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2861.956289] PKRU: 55555554 [ 2861.956301] Call Trace: [ 2861.956315] [ 2861.956334] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 2861.956366] ? 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) [ 2861.956397] ? notifier_call_chain (kernel/notifier.c:93) [ 2861.956427] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 2861.956457] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 2861.956487] ? 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) [ 2861.956518] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 2861.956548] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 2861.956572] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 2861.956602] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 2861.956633] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 2861.956663] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 2861.956693] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 2861.956723] [ 2861.956736] [ 2861.956748] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 2861.956779] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2861.956802] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 2861.956844] netdev_core_pick_tx (net/core/dev.c:4211) [ 2861.956879] __dev_queue_xmit (net/core/dev.c:4295) [ 2861.956906] ? eth_header (net/ethernet/eth.c:85) [ 2861.956930] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 2861.956955] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 2861.956985] mld_sendpack (net/ipv6/mcast.c:1822) [ 2861.957009] mld_ifc_work (net/ipv6/mcast.c:2652) [ 2861.957033] process_one_work (kernel/workqueue.c:3254) [ 2861.957057] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2861.957087] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 2861.957111] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2861.957141] kthread (kernel/kthread.c:388) [ 2861.957165] ? __pfx_kthread (kernel/kthread.c:341) [ 2861.957189] ret_from_fork (arch/x86/kernel/process.c:147) [ 2861.957213] ? __pfx_kthread (kernel/kthread.c:341) [ 2861.957237] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 2884.665393] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2838012 jiffies s: 77 root: 0x2/. | [ 2884.665539] rcu: blocking rcu_node structures (internal RCU debug): | [ 2884.665587] Sending NMI from CPU 2 to CPUs 1: | [ 2884.665635] NMI backtrace for cpu 1 [ 2884.665642] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2884.665644] Workqueue: mld mld_ifc_work [ 2884.665651] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 2884.665655] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 2884.665657] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 2884.665658] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 2884.665659] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 2884.665660] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 2884.665661] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 2884.665662] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 2884.665665] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 2884.665666] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2884.665667] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 2884.665668] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2884.665668] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2884.665669] PKRU: 55555554 [ 2884.665670] Call Trace: [ 2884.665672] [ 2884.665674] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 2884.665677] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 2884.665681] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 2884.665686] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 2884.665688] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 2884.665689] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 2884.665693] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 2884.665694] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 2884.665696] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 2884.665698] [ 2884.665698] [ 2884.665698] netdev_core_pick_tx (net/core/dev.c:4211) [ 2884.665703] __dev_queue_xmit (net/core/dev.c:4295) [ 2884.665705] ? eth_header (net/ethernet/eth.c:85) [ 2884.665708] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 2884.665712] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 2884.665715] mld_sendpack (net/ipv6/mcast.c:1822) [ 2884.665718] mld_ifc_work (net/ipv6/mcast.c:2652) [ 2884.665720] process_one_work (kernel/workqueue.c:3254) [ 2884.665724] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2884.665725] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 2884.665727] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2884.665729] kthread (kernel/kthread.c:388) [ 2884.665731] ? __pfx_kthread (kernel/kthread.c:341) [ 2884.665732] ret_from_fork (arch/x86/kernel/process.c:147) [ 2884.665736] ? __pfx_kthread (kernel/kthread.c:341) [ 2884.665737] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 2884.665742] | [ 2924.958387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 2924.958503] rcu: 1-....: (2922717 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=682386 | [ 2924.958556] rcu: (t=2919138 jiffies g=-219 q=807 ncpus=4) [ 2924.958635] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2924.958710] Workqueue: mld mld_ifc_work [ 2924.958753] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2924.958787] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 2924.958887] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 2924.958919] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 2924.958959] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 2924.958999] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 2924.959039] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 2924.959079] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 2924.959121] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 2924.959166] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2924.959204] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 2924.959245] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2924.959290] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2924.959331] PKRU: 55555554 [ 2924.959344] Call Trace: [ 2924.959360] [ 2924.959379] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 2924.959412] ? 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) [ 2924.959444] ? notifier_call_chain (kernel/notifier.c:93) [ 2924.959476] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 2924.959508] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 2924.959541] ? 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) [ 2924.959573] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 2924.959605] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 2924.959631] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 2924.959663] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 2924.959708] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 2924.959740] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 2924.959773] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 2924.959805] [ 2924.959818] [ 2924.959832] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 2924.959865] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2924.959889] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 2924.959921] netdev_core_pick_tx (net/core/dev.c:4211) [ 2924.959948] __dev_queue_xmit (net/core/dev.c:4295) [ 2924.959973] ? eth_header (net/ethernet/eth.c:85) [ 2924.959998] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 2924.960024] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 2924.960056] mld_sendpack (net/ipv6/mcast.c:1822) [ 2924.960082] mld_ifc_work (net/ipv6/mcast.c:2652) [ 2924.960107] process_one_work (kernel/workqueue.c:3254) [ 2924.960133] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2924.960164] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 2924.960190] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2924.960222] kthread (kernel/kthread.c:388) [ 2924.960247] ? __pfx_kthread (kernel/kthread.c:341) [ 2924.960267] ret_from_fork (arch/x86/kernel/process.c:147) [ 2924.960293] ? __pfx_kthread (kernel/kthread.c:341) [ 2924.960314] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 2950.202394] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2903549 jiffies s: 77 root: 0x2/. | [ 2950.202537] rcu: blocking rcu_node structures (internal RCU debug): | [ 2950.202583] Sending NMI from CPU 2 to CPUs 1: | [ 2950.202622] NMI backtrace for cpu 1 [ 2950.202637] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2950.202640] Workqueue: mld mld_ifc_work [ 2950.202651] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2950.202655] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 2950.202657] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 2950.202659] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 2950.202660] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 2950.202661] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 2950.202662] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 2950.202663] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 2950.202665] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 2950.202666] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2950.202667] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 2950.202668] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2950.202669] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2950.202669] PKRU: 55555554 [ 2950.202670] Call Trace: [ 2950.202674] [ 2950.202681] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 2950.202685] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 2950.202689] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 2950.202693] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 2950.202695] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 2950.202696] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 2950.202700] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2950.202702] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2950.202703] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2950.202705] [ 2950.202705] [ 2950.202706] netdev_core_pick_tx (net/core/dev.c:4211) [ 2950.202710] __dev_queue_xmit (net/core/dev.c:4295) [ 2950.202713] ? eth_header (net/ethernet/eth.c:85) [ 2950.202716] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 2950.202720] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 2950.202723] mld_sendpack (net/ipv6/mcast.c:1822) [ 2950.202726] mld_ifc_work (net/ipv6/mcast.c:2652) [ 2950.202729] process_one_work (kernel/workqueue.c:3254) [ 2950.202732] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2950.202734] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 2950.202736] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2950.202738] kthread (kernel/kthread.c:388) [ 2950.202740] ? __pfx_kthread (kernel/kthread.c:341) [ 2950.202742] ret_from_fork (arch/x86/kernel/process.c:147) [ 2950.202745] ? __pfx_kthread (kernel/kthread.c:341) [ 2950.202746] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 2950.202750] | [ 2987.961395] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 2987.961562] rcu: 1-....: (2985720 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=695615 | [ 2987.961625] rcu: (t=2982141 jiffies g=-219 q=807 ncpus=4) [ 2987.961704] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2987.961773] Workqueue: mld mld_ifc_work [ 2987.961809] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2987.961849] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 2987.961953] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 2987.961986] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 2987.962033] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 2987.962082] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 2987.962131] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 2987.962180] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 2987.962231] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 2987.962282] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2987.962323] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 2987.962373] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2987.962420] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2987.962469] PKRU: 55555554 [ 2987.962490] Call Trace: [ 2987.962506] [ 2987.962526] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 2987.962566] ? 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) [ 2987.962601] ? notifier_call_chain (kernel/notifier.c:93) [ 2987.962635] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 2987.962669] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 2987.962704] ? 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) [ 2987.962740] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 2987.962779] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 2987.962805] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 2987.962840] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 2987.962875] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 2987.962909] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 2987.962943] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 2987.962977] [ 2987.962991] [ 2987.963005] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 2987.963039] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2987.963066] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 2987.963099] netdev_core_pick_tx (net/core/dev.c:4211) [ 2987.963131] __dev_queue_xmit (net/core/dev.c:4295) [ 2987.963160] ? eth_header (net/ethernet/eth.c:85) [ 2987.963191] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 2987.963222] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 2987.963256] mld_sendpack (net/ipv6/mcast.c:1822) [ 2987.963284] mld_ifc_work (net/ipv6/mcast.c:2652) [ 2987.963310] process_one_work (kernel/workqueue.c:3254) [ 2987.963341] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2987.963375] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 2987.963404] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2987.963437] kthread (kernel/kthread.c:388) [ 2987.963466] ? __pfx_kthread (kernel/kthread.c:341) [ 2987.963493] ret_from_fork (arch/x86/kernel/process.c:147) [ 2987.963521] ? __pfx_kthread (kernel/kthread.c:341) [ 2987.963548] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3015.738396] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 2969085 jiffies s: 77 root: 0x2/. | [ 3015.738522] rcu: blocking rcu_node structures (internal RCU debug): | [ 3015.738561] Sending NMI from CPU 2 to CPUs 1: | [ 3015.738600] NMI backtrace for cpu 1 [ 3015.738607] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3015.738609] Workqueue: mld mld_ifc_work [ 3015.738616] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3015.738620] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 3015.738622] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 3015.738623] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 3015.738625] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 3015.738625] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 3015.738626] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 3015.738627] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 3015.738630] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 3015.738631] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3015.738632] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 3015.738633] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3015.738634] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3015.738634] PKRU: 55555554 [ 3015.738635] Call Trace: [ 3015.738637] [ 3015.738639] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 3015.738642] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 3015.738646] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 3015.738651] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 3015.738653] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 3015.738654] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 3015.738657] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3015.738659] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3015.738661] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3015.738662] [ 3015.738663] [ 3015.738663] netdev_core_pick_tx (net/core/dev.c:4211) [ 3015.738667] __dev_queue_xmit (net/core/dev.c:4295) [ 3015.738670] ? eth_header (net/ethernet/eth.c:85) [ 3015.738673] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 3015.738678] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 3015.738680] mld_sendpack (net/ipv6/mcast.c:1822) [ 3015.738683] mld_ifc_work (net/ipv6/mcast.c:2652) [ 3015.738686] process_one_work (kernel/workqueue.c:3254) [ 3015.738690] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3015.738691] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 3015.738694] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3015.738695] kthread (kernel/kthread.c:388) [ 3015.738697] ? __pfx_kthread (kernel/kthread.c:341) [ 3015.738699] ret_from_fork (arch/x86/kernel/process.c:147) [ 3015.738702] ? __pfx_kthread (kernel/kthread.c:341) [ 3015.738703] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3015.738708] | [ 3050.964387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 3050.964488] rcu: 1-....: (3048722 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=709222 | [ 3050.964549] rcu: (t=3045144 jiffies g=-219 q=807 ncpus=4) [ 3050.964630] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3050.964701] Workqueue: mld mld_ifc_work [ 3050.964735] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3050.964775] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 3050.964880] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 3050.964914] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 3050.964962] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 3050.965012] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 3050.965062] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 3050.965110] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 3050.965160] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 3050.965212] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3050.965252] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 3050.965301] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3050.965350] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3050.965397] PKRU: 55555554 [ 3050.965417] Call Trace: [ 3050.965432] [ 3050.965452] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 3050.965490] ? 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) [ 3050.965523] ? notifier_call_chain (kernel/notifier.c:93) [ 3050.965557] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 3050.965592] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 3050.965626] ? 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) [ 3050.965661] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 3050.965695] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 3050.965721] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 3050.965756] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 3050.965791] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 3050.965826] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 3050.965860] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 3050.965895] [ 3050.965915] [ 3050.965936] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 3050.965975] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3050.966001] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 3050.966036] netdev_core_pick_tx (net/core/dev.c:4211) [ 3050.966068] __dev_queue_xmit (net/core/dev.c:4295) [ 3050.966094] ? eth_header (net/ethernet/eth.c:85) [ 3050.966125] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 3050.966156] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 3050.966193] mld_sendpack (net/ipv6/mcast.c:1822) [ 3050.966221] mld_ifc_work (net/ipv6/mcast.c:2652) [ 3050.966248] process_one_work (kernel/workqueue.c:3254) [ 3050.966275] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3050.966310] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 3050.966337] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3050.966372] kthread (kernel/kthread.c:388) [ 3050.966399] ? __pfx_kthread (kernel/kthread.c:341) [ 3050.966427] ret_from_fork (arch/x86/kernel/process.c:147) [ 3050.966454] ? __pfx_kthread (kernel/kthread.c:341) [ 3050.966481] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3081.273394] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 3034620 jiffies s: 77 root: 0x2/. | [ 3081.273523] rcu: blocking rcu_node structures (internal RCU debug): | [ 3081.273559] Sending NMI from CPU 2 to CPUs 1: | [ 3081.273598] NMI backtrace for cpu 1 [ 3081.273605] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3081.273607] Workqueue: mld mld_ifc_work [ 3081.273613] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 3081.273618] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 3081.273620] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 3081.273621] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 3081.273622] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 3081.273623] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 3081.273624] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 3081.273625] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 3081.273628] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 3081.273629] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3081.273630] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 3081.273631] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3081.273631] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3081.273632] PKRU: 55555554 [ 3081.273632] Call Trace: [ 3081.273634] [ 3081.273636] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 3081.273639] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 3081.273644] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 3081.273648] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 3081.273650] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 3081.273651] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 3081.273655] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 3081.273657] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 3081.273659] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 3081.273660] [ 3081.273661] [ 3081.273661] netdev_core_pick_tx (net/core/dev.c:4211) [ 3081.273665] __dev_queue_xmit (net/core/dev.c:4295) [ 3081.273667] ? eth_header (net/ethernet/eth.c:85) [ 3081.273671] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 3081.273675] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 3081.273677] mld_sendpack (net/ipv6/mcast.c:1822) [ 3081.273681] mld_ifc_work (net/ipv6/mcast.c:2652) [ 3081.273683] process_one_work (kernel/workqueue.c:3254) [ 3081.273686] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3081.273688] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 3081.273690] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3081.273692] kthread (kernel/kthread.c:388) [ 3081.273694] ? __pfx_kthread (kernel/kthread.c:341) [ 3081.273695] ret_from_fork (arch/x86/kernel/process.c:147) [ 3081.273699] ? __pfx_kthread (kernel/kthread.c:341) [ 3081.273700] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3081.273704] | [ 3113.967387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 3113.967551] rcu: 1-....: (3111724 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=722704 | [ 3113.967614] rcu: (t=3108147 jiffies g=-219 q=807 ncpus=4) [ 3113.967695] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3113.967774] Workqueue: mld mld_ifc_work [ 3113.967813] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3113.967853] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 3113.967957] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 3113.967991] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 3113.968038] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 3113.968086] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 3113.968135] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 3113.968183] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 3113.968234] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 3113.968289] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3113.968330] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 3113.968380] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3113.968428] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3113.968477] PKRU: 55555554 [ 3113.968497] Call Trace: [ 3113.968518] [ 3113.968540] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 3113.968580] ? 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) [ 3113.968615] ? notifier_call_chain (kernel/notifier.c:93) [ 3113.968654] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 3113.968693] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 3113.968728] ? 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) [ 3113.968763] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 3113.968804] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 3113.968831] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 3113.968865] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 3113.968900] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 3113.968936] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 3113.968970] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 3113.969005] [ 3113.969025] [ 3113.969045] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 3113.969082] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3113.969108] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 3113.969141] netdev_core_pick_tx (net/core/dev.c:4211) [ 3113.969168] __dev_queue_xmit (net/core/dev.c:4295) [ 3113.969194] ? eth_header (net/ethernet/eth.c:85) [ 3113.969221] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 3113.969252] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 3113.969289] mld_sendpack (net/ipv6/mcast.c:1822) [ 3113.969318] mld_ifc_work (net/ipv6/mcast.c:2652) [ 3113.969345] process_one_work (kernel/workqueue.c:3254) [ 3113.969373] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3113.969407] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 3113.969435] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3113.969469] kthread (kernel/kthread.c:388) [ 3113.969496] ? __pfx_kthread (kernel/kthread.c:341) [ 3113.969524] ret_from_fork (arch/x86/kernel/process.c:147) [ 3113.969552] ? __pfx_kthread (kernel/kthread.c:341) [ 3113.969579] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3146.810396] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 3100157 jiffies s: 77 root: 0x2/. | [ 3146.810516] rcu: blocking rcu_node structures (internal RCU debug): | [ 3146.810553] Sending NMI from CPU 2 to CPUs 1: | [ 3146.810593] NMI backtrace for cpu 1 [ 3146.810601] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3146.810603] Workqueue: mld mld_ifc_work [ 3146.810610] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3146.810614] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 3146.810616] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 3146.810617] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 3146.810618] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 3146.810619] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 3146.810620] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 3146.810621] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 3146.810624] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 3146.810625] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3146.810626] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 3146.810627] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3146.810628] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3146.810629] PKRU: 55555554 [ 3146.810629] Call Trace: [ 3146.810632] [ 3146.810634] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 3146.810637] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 3146.810641] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 3146.810645] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 3146.810648] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 3146.810649] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 3146.810652] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3146.810654] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3146.810656] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3146.810658] [ 3146.810658] [ 3146.810659] netdev_core_pick_tx (net/core/dev.c:4211) [ 3146.810664] __dev_queue_xmit (net/core/dev.c:4295) [ 3146.810666] ? eth_header (net/ethernet/eth.c:85) [ 3146.810671] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 3146.810674] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 3146.810677] mld_sendpack (net/ipv6/mcast.c:1822) [ 3146.810680] mld_ifc_work (net/ipv6/mcast.c:2652) [ 3146.810682] process_one_work (kernel/workqueue.c:3254) [ 3146.810686] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3146.810688] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 3146.810690] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3146.810692] kthread (kernel/kthread.c:388) [ 3146.810694] ? __pfx_kthread (kernel/kthread.c:341) [ 3146.810695] ret_from_fork (arch/x86/kernel/process.c:147) [ 3146.810698] ? __pfx_kthread (kernel/kthread.c:341) [ 3146.810700] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3146.810703] | [ 3176.970387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 3176.970549] rcu: 1-....: (3174726 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=736599 | [ 3176.970612] rcu: (t=3171150 jiffies g=-219 q=807 ncpus=4) [ 3176.970693] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3176.970764] Workqueue: mld mld_ifc_work [ 3176.970800] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3176.970839] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 3176.970945] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 3176.970979] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 3176.971028] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 3176.971077] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 3176.971125] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 3176.971173] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 3176.971224] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 3176.971275] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3176.971315] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 3176.971366] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3176.971414] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3176.971462] PKRU: 55555554 [ 3176.971482] Call Trace: [ 3176.971504] [ 3176.971524] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 3176.971561] ? 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) [ 3176.971595] ? notifier_call_chain (kernel/notifier.c:93) [ 3176.971630] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 3176.971664] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 3176.971698] ? 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) [ 3176.971733] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 3176.971772] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 3176.971798] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 3176.971833] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 3176.971867] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 3176.971902] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 3176.971936] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 3176.971970] [ 3176.971990] [ 3176.972010] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 3176.972045] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3176.972072] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 3176.972107] netdev_core_pick_tx (net/core/dev.c:4211) [ 3176.972139] __dev_queue_xmit (net/core/dev.c:4295) [ 3176.972166] ? eth_header (net/ethernet/eth.c:85) [ 3176.972196] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 3176.972226] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 3176.972264] mld_sendpack (net/ipv6/mcast.c:1822) [ 3176.972295] mld_ifc_work (net/ipv6/mcast.c:2652) [ 3176.972322] process_one_work (kernel/workqueue.c:3254) [ 3176.972350] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3176.972383] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 3176.972411] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3176.972444] kthread (kernel/kthread.c:388) [ 3176.972473] ? __pfx_kthread (kernel/kthread.c:341) [ 3176.972500] ret_from_fork (arch/x86/kernel/process.c:147) [ 3176.972527] ? __pfx_kthread (kernel/kthread.c:341) [ 3176.972554] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3212.346393] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 3165693 jiffies s: 77 root: 0x2/. | [ 3212.346515] rcu: blocking rcu_node structures (internal RCU debug): | [ 3212.346553] Sending NMI from CPU 2 to CPUs 1: | [ 3212.346591] NMI backtrace for cpu 1 [ 3212.346598] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3212.346600] Workqueue: mld mld_ifc_work [ 3212.346608] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 3212.346613] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 3212.346615] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 3212.346616] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 3212.346617] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 3212.346618] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 3212.346619] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 3212.346620] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 3212.346623] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 3212.346624] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3212.346625] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 3212.346626] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3212.346627] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3212.346627] PKRU: 55555554 [ 3212.346628] Call Trace: [ 3212.346630] [ 3212.346632] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 3212.346635] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 3212.346639] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 3212.346644] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 3212.346646] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 3212.346647] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 3212.346651] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 3212.346652] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 3212.346654] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 3212.346655] [ 3212.346656] [ 3212.346656] netdev_core_pick_tx (net/core/dev.c:4211) [ 3212.346661] __dev_queue_xmit (net/core/dev.c:4295) [ 3212.346663] ? eth_header (net/ethernet/eth.c:85) [ 3212.346667] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 3212.346671] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 3212.346674] mld_sendpack (net/ipv6/mcast.c:1822) [ 3212.346677] mld_ifc_work (net/ipv6/mcast.c:2652) [ 3212.346679] process_one_work (kernel/workqueue.c:3254) [ 3212.346683] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3212.346685] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 3212.346687] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3212.346688] kthread (kernel/kthread.c:388) [ 3212.346690] ? __pfx_kthread (kernel/kthread.c:341) [ 3212.346692] ret_from_fork (arch/x86/kernel/process.c:147) [ 3212.346695] ? __pfx_kthread (kernel/kthread.c:341) [ 3212.346696] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3212.346700] | [ 3239.973386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 3239.973493] rcu: 1-....: (3237728 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=751024 | [ 3239.973554] rcu: (t=3234153 jiffies g=-219 q=807 ncpus=4) [ 3239.973633] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3239.973704] Workqueue: mld mld_ifc_work [ 3239.973742] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3239.973783] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 3239.973890] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 3239.973923] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 3239.973970] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 3239.974019] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 3239.974067] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 3239.974116] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 3239.974167] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 3239.974219] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3239.974259] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 3239.974309] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3239.974357] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3239.974407] PKRU: 55555554 [ 3239.974428] Call Trace: [ 3239.974444] [ 3239.974464] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 3239.974504] ? 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) [ 3239.974538] ? notifier_call_chain (kernel/notifier.c:93) [ 3239.974572] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 3239.974607] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 3239.974641] ? 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) [ 3239.974677] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 3239.974712] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 3239.974739] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 3239.974774] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 3239.974810] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 3239.974844] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 3239.974878] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 3239.974912] [ 3239.974926] [ 3239.974940] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 3239.974974] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3239.975001] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 3239.975034] netdev_core_pick_tx (net/core/dev.c:4211) [ 3239.975061] __dev_queue_xmit (net/core/dev.c:4295) [ 3239.975088] ? eth_header (net/ethernet/eth.c:85) [ 3239.975115] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 3239.975143] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 3239.975177] mld_sendpack (net/ipv6/mcast.c:1822) [ 3239.975204] mld_ifc_work (net/ipv6/mcast.c:2652) [ 3239.975231] process_one_work (kernel/workqueue.c:3254) [ 3239.975259] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3239.975293] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 3239.975320] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3239.975355] kthread (kernel/kthread.c:388) [ 3239.975382] ? __pfx_kthread (kernel/kthread.c:341) [ 3239.975410] ret_from_fork (arch/x86/kernel/process.c:147) [ 3239.975443] ? __pfx_kthread (kernel/kthread.c:341) [ 3239.975470] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3277.881407] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 3231228 jiffies s: 77 root: 0x2/. | [ 3277.881532] rcu: blocking rcu_node structures (internal RCU debug): | [ 3277.881571] Sending NMI from CPU 2 to CPUs 1: | [ 3277.881618] NMI backtrace for cpu 1 [ 3277.881628] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3277.881630] Workqueue: mld mld_ifc_work [ 3277.881636] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 3277.881641] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 3277.881643] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 3277.881644] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 3277.881645] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 3277.881646] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 3277.881647] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 3277.881648] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 3277.881650] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 3277.881652] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3277.881652] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 3277.881653] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3277.881654] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3277.881655] PKRU: 55555554 [ 3277.881655] Call Trace: [ 3277.881660] [ 3277.881666] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 3277.881669] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 3277.881673] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 3277.881677] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 3277.881679] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 3277.881680] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 3277.881684] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 3277.881685] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 3277.881687] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 3277.881689] [ 3277.881689] [ 3277.881689] netdev_core_pick_tx (net/core/dev.c:4211) [ 3277.881694] __dev_queue_xmit (net/core/dev.c:4295) [ 3277.881696] ? eth_header (net/ethernet/eth.c:85) [ 3277.881699] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 3277.881703] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 3277.881706] mld_sendpack (net/ipv6/mcast.c:1822) [ 3277.881709] mld_ifc_work (net/ipv6/mcast.c:2652) [ 3277.881711] process_one_work (kernel/workqueue.c:3254) [ 3277.881714] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3277.881716] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 3277.881718] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3277.881719] kthread (kernel/kthread.c:388) [ 3277.881722] ? __pfx_kthread (kernel/kthread.c:341) [ 3277.881723] ret_from_fork (arch/x86/kernel/process.c:147) [ 3277.881726] ? __pfx_kthread (kernel/kthread.c:341) [ 3277.881728] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3277.881732] | [ 3302.976386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 3302.976545] rcu: 1-....: (3300730 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=764543 | [ 3302.976604] rcu: (t=3297156 jiffies g=-219 q=807 ncpus=4) [ 3302.976680] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3302.976751] Workqueue: mld mld_ifc_work [ 3302.976784] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 3302.976828] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 3302.976933] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 3302.976966] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 3302.977015] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 3302.977063] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 3302.977111] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 3302.977160] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 3302.977211] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 3302.977265] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3302.977305] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 3302.977354] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3302.977403] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3302.977452] PKRU: 55555554 [ 3302.977466] Call Trace: [ 3302.977481] [ 3302.977501] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 3302.977538] ? 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) [ 3302.977572] ? notifier_call_chain (kernel/notifier.c:93) [ 3302.977607] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 3302.977642] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 3302.977677] ? 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) [ 3302.977712] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 3302.977746] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 3302.977773] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 3302.977807] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 3302.977842] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 3302.977877] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 3302.977911] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 3302.977945] [ 3302.977959] [ 3302.977973] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 3302.978008] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 3302.978036] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 3302.978069] netdev_core_pick_tx (net/core/dev.c:4211) [ 3302.978097] __dev_queue_xmit (net/core/dev.c:4295) [ 3302.978123] ? eth_header (net/ethernet/eth.c:85) [ 3302.978150] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 3302.978177] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 3302.978211] mld_sendpack (net/ipv6/mcast.c:1822) [ 3302.978239] mld_ifc_work (net/ipv6/mcast.c:2652) [ 3302.978266] process_one_work (kernel/workqueue.c:3254) [ 3302.978293] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3302.978327] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 3302.978354] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3302.978388] kthread (kernel/kthread.c:388) [ 3302.978415] ? __pfx_kthread (kernel/kthread.c:341) [ 3302.978443] ret_from_fork (arch/x86/kernel/process.c:147) [ 3302.978470] ? __pfx_kthread (kernel/kthread.c:341) [ 3302.978497] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3343.417396] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 3296764 jiffies s: 77 root: 0x2/. | [ 3343.417521] rcu: blocking rcu_node structures (internal RCU debug): | [ 3343.417559] Sending NMI from CPU 2 to CPUs 1: | [ 3343.417603] NMI backtrace for cpu 1 [ 3343.417619] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3343.417621] Workqueue: mld mld_ifc_work [ 3343.417627] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3343.417631] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 3343.417633] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 3343.417634] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 3343.417635] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 3343.417636] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 3343.417637] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 3343.417638] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 3343.417641] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 3343.417642] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3343.417643] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 3343.417644] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3343.417644] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3343.417645] PKRU: 55555554 [ 3343.417646] Call Trace: [ 3343.417648] [ 3343.417650] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 3343.417653] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 3343.417657] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 3343.417661] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 3343.417663] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 3343.417664] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 3343.417668] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3343.417669] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3343.417671] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3343.417673] [ 3343.417673] [ 3343.417674] netdev_core_pick_tx (net/core/dev.c:4211) [ 3343.417678] __dev_queue_xmit (net/core/dev.c:4295) [ 3343.417680] ? eth_header (net/ethernet/eth.c:85) [ 3343.417683] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 3343.417687] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 3343.417690] mld_sendpack (net/ipv6/mcast.c:1822) [ 3343.417693] mld_ifc_work (net/ipv6/mcast.c:2652) [ 3343.417695] process_one_work (kernel/workqueue.c:3254) [ 3343.417699] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3343.417700] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 3343.417702] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3343.417704] kthread (kernel/kthread.c:388) [ 3343.417706] ? __pfx_kthread (kernel/kthread.c:341) [ 3343.417707] ret_from_fork (arch/x86/kernel/process.c:147) [ 3343.417710] ? __pfx_kthread (kernel/kthread.c:341) [ 3343.417711] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3343.417715] | [ 3365.979386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 3365.979479] rcu: 1-....: (3363732 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=777846 | [ 3365.979541] rcu: (t=3360159 jiffies g=-219 q=807 ncpus=4) [ 3365.979617] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3365.979688] Workqueue: mld mld_ifc_work [ 3365.979720] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3365.979760] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 3365.979865] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 3365.979898] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 3365.979945] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 3365.979993] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 3365.980042] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 3365.980091] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 3365.980142] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 3365.980194] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3365.980235] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 3365.980284] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3365.980332] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3365.980381] PKRU: 55555554 [ 3365.980401] Call Trace: [ 3365.980423] [ 3365.980443] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 3365.980481] ? 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) [ 3365.980516] ? notifier_call_chain (kernel/notifier.c:93) [ 3365.980551] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 3365.980586] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 3365.980620] ? 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) [ 3365.980654] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 3365.980689] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 3365.980717] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 3365.980751] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 3365.980787] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 3365.980821] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 3365.980855] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 3365.980889] [ 3365.980909] [ 3365.980930] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 3365.980967] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3365.980993] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 3365.981026] netdev_core_pick_tx (net/core/dev.c:4211) [ 3365.981053] __dev_queue_xmit (net/core/dev.c:4295) [ 3365.981079] ? eth_header (net/ethernet/eth.c:85) [ 3365.981107] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 3365.981139] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 3365.981173] mld_sendpack (net/ipv6/mcast.c:1822) [ 3365.981201] mld_ifc_work (net/ipv6/mcast.c:2652) [ 3365.981228] process_one_work (kernel/workqueue.c:3254) [ 3365.981255] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3365.981289] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 3365.981318] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3365.981351] kthread (kernel/kthread.c:388) [ 3365.981379] ? __pfx_kthread (kernel/kthread.c:341) [ 3365.981406] ret_from_fork (arch/x86/kernel/process.c:147) [ 3365.981434] ? __pfx_kthread (kernel/kthread.c:341) [ 3365.981460] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3408.954391] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 3362301 jiffies s: 77 root: 0x2/. | [ 3408.954503] rcu: blocking rcu_node structures (internal RCU debug): | [ 3408.954540] Sending NMI from CPU 2 to CPUs 1: | [ 3408.954578] NMI backtrace for cpu 1 [ 3408.954584] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3408.954586] Workqueue: mld mld_ifc_work [ 3408.954592] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3408.954595] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 3408.954597] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 3408.954598] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 3408.954599] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 3408.954600] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 3408.954601] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 3408.954602] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 3408.954604] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 3408.954605] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3408.954606] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 3408.954607] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3408.954608] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3408.954608] PKRU: 55555554 [ 3408.954609] Call Trace: [ 3408.954610] [ 3408.954612] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 3408.954615] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 3408.954619] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 3408.954623] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 3408.954625] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 3408.954626] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 3408.954629] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3408.954631] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3408.954632] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3408.954634] [ 3408.954634] [ 3408.954635] netdev_core_pick_tx (net/core/dev.c:4211) [ 3408.954638] __dev_queue_xmit (net/core/dev.c:4295) [ 3408.954641] ? eth_header (net/ethernet/eth.c:85) [ 3408.954643] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 3408.954647] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 3408.954650] mld_sendpack (net/ipv6/mcast.c:1822) [ 3408.954653] mld_ifc_work (net/ipv6/mcast.c:2652) [ 3408.954655] process_one_work (kernel/workqueue.c:3254) [ 3408.954658] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3408.954660] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 3408.954662] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3408.954663] kthread (kernel/kthread.c:388) [ 3408.954665] ? __pfx_kthread (kernel/kthread.c:341) [ 3408.954667] ret_from_fork (arch/x86/kernel/process.c:147) [ 3408.954670] ? __pfx_kthread (kernel/kthread.c:341) [ 3408.954671] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3408.954675] | [ 3428.982387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 3428.982549] rcu: 1-....: (3426734 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=791432 | [ 3428.982610] rcu: (t=3423162 jiffies g=-219 q=807 ncpus=4) [ 3428.982686] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3428.982756] Workqueue: mld mld_ifc_work [ 3428.982792] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3428.982826] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 3428.982931] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 3428.982965] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 3428.983015] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 3428.983063] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 3428.983111] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 3428.983159] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 3428.983211] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 3428.983264] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3428.983304] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 3428.983353] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3428.983402] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3428.983450] PKRU: 55555554 [ 3428.983469] Call Trace: [ 3428.983484] [ 3428.983504] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 3428.983544] ? 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) [ 3428.983578] ? notifier_call_chain (kernel/notifier.c:93) [ 3428.983612] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 3428.983647] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 3428.983681] ? 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) [ 3428.983716] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 3428.983750] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 3428.983778] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 3428.983813] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 3428.983849] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 3428.983884] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 3428.983919] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 3428.983956] [ 3428.983976] [ 3428.983998] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 3428.984033] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3428.984060] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 3428.984094] netdev_core_pick_tx (net/core/dev.c:4211) [ 3428.984123] __dev_queue_xmit (net/core/dev.c:4295) [ 3428.984150] ? eth_header (net/ethernet/eth.c:85) [ 3428.984177] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 3428.984207] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 3428.984244] mld_sendpack (net/ipv6/mcast.c:1822) [ 3428.984273] mld_ifc_work (net/ipv6/mcast.c:2652) [ 3428.984299] process_one_work (kernel/workqueue.c:3254) [ 3428.984327] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3428.984362] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 3428.984390] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3428.984424] kthread (kernel/kthread.c:388) [ 3428.984451] ? __pfx_kthread (kernel/kthread.c:341) [ 3428.984479] ret_from_fork (arch/x86/kernel/process.c:147) [ 3428.984506] ? __pfx_kthread (kernel/kthread.c:341) [ 3428.984533] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3474.490395] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 3427837 jiffies s: 77 root: 0x2/. | [ 3474.490518] rcu: blocking rcu_node structures (internal RCU debug): | [ 3474.490555] Sending NMI from CPU 2 to CPUs 1: | [ 3474.490594] NMI backtrace for cpu 1 [ 3474.490610] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3474.490613] Workqueue: mld mld_ifc_work [ 3474.490634] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3474.490638] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 3474.490639] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 3474.490641] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 3474.490641] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 3474.490642] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 3474.490643] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 3474.490644] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 3474.490646] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 3474.490647] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3474.490648] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 3474.490649] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3474.490650] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3474.490650] PKRU: 55555554 [ 3474.490651] Call Trace: [ 3474.490654] [ 3474.490660] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 3474.490664] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 3474.490669] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 3474.490672] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 3474.490675] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 3474.490676] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 3474.490679] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3474.490681] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3474.490682] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3474.490684] [ 3474.490684] [ 3474.490685] netdev_core_pick_tx (net/core/dev.c:4211) [ 3474.490689] __dev_queue_xmit (net/core/dev.c:4295) [ 3474.490691] ? eth_header (net/ethernet/eth.c:85) [ 3474.490693] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 3474.490697] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 3474.490699] mld_sendpack (net/ipv6/mcast.c:1822) [ 3474.490702] mld_ifc_work (net/ipv6/mcast.c:2652) [ 3474.490704] process_one_work (kernel/workqueue.c:3254) [ 3474.490707] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3474.490709] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 3474.490711] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3474.490713] kthread (kernel/kthread.c:388) [ 3474.490715] ? __pfx_kthread (kernel/kthread.c:341) [ 3474.490716] ret_from_fork (arch/x86/kernel/process.c:147) [ 3474.490719] ? __pfx_kthread (kernel/kthread.c:341) [ 3474.490720] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3474.490725] | [ 3491.985386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 3491.985558] rcu: 1-....: (3489736 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=804907 | [ 3491.985621] rcu: (t=3486165 jiffies g=-219 q=807 ncpus=4) [ 3491.985698] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3491.985769] Workqueue: mld mld_ifc_work [ 3491.985802] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 3491.985839] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 3491.985949] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 3491.985982] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 3491.986029] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 3491.986077] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 3491.986126] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 3491.986174] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 3491.986224] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 3491.986272] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3491.986313] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 3491.986362] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3491.986410] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3491.986459] PKRU: 55555554 [ 3491.986479] Call Trace: [ 3491.986494] [ 3491.986515] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 3491.986554] ? 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) [ 3491.986588] ? notifier_call_chain (kernel/notifier.c:93) [ 3491.986622] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 3491.986657] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 3491.986691] ? 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) [ 3491.986726] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 3491.986764] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 3491.986791] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 3491.986826] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 3491.986861] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 3491.986896] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 3491.986930] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 3491.986966] [ 3491.986986] [ 3491.987006] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 3491.987041] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 3491.987068] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 3491.987101] netdev_core_pick_tx (net/core/dev.c:4211) [ 3491.987130] __dev_queue_xmit (net/core/dev.c:4295) [ 3491.987166] ? eth_header (net/ethernet/eth.c:85) [ 3491.987197] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 3491.987225] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 3491.987259] mld_sendpack (net/ipv6/mcast.c:1822) [ 3491.987287] mld_ifc_work (net/ipv6/mcast.c:2652) [ 3491.987314] process_one_work (kernel/workqueue.c:3254) [ 3491.987341] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3491.987374] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 3491.987403] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3491.987437] kthread (kernel/kthread.c:388) [ 3491.987465] ? __pfx_kthread (kernel/kthread.c:341) [ 3491.987493] ret_from_fork (arch/x86/kernel/process.c:147) [ 3491.987520] ? __pfx_kthread (kernel/kthread.c:341) [ 3491.987548] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3540.025394] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 3493372 jiffies s: 77 root: 0x2/. | [ 3540.025526] rcu: blocking rcu_node structures (internal RCU debug): | [ 3540.025565] Sending NMI from CPU 2 to CPUs 1: | [ 3540.025603] NMI backtrace for cpu 1 [ 3540.025610] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3540.025612] Workqueue: mld mld_ifc_work [ 3540.025618] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 3540.025621] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 3540.025623] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 3540.025624] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 3540.025625] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 3540.025626] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 3540.025627] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 3540.025628] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 3540.025630] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 3540.025632] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3540.025632] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 3540.025633] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3540.025634] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3540.025635] PKRU: 55555554 [ 3540.025635] Call Trace: [ 3540.025637] [ 3540.025639] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 3540.025642] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 3540.025646] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 3540.025650] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 3540.025652] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 3540.025653] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 3540.025657] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 3540.025658] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 3540.025660] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 3540.025661] [ 3540.025662] [ 3540.025662] netdev_core_pick_tx (net/core/dev.c:4211) [ 3540.025667] __dev_queue_xmit (net/core/dev.c:4295) [ 3540.025669] ? eth_header (net/ethernet/eth.c:85) [ 3540.025672] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 3540.025675] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 3540.025678] mld_sendpack (net/ipv6/mcast.c:1822) [ 3540.025682] mld_ifc_work (net/ipv6/mcast.c:2652) [ 3540.025684] process_one_work (kernel/workqueue.c:3254) [ 3540.025688] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3540.025689] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 3540.025691] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3540.025693] kthread (kernel/kthread.c:388) [ 3540.025695] ? __pfx_kthread (kernel/kthread.c:341) [ 3540.025696] ret_from_fork (arch/x86/kernel/process.c:147) [ 3540.025699] ? __pfx_kthread (kernel/kthread.c:341) [ 3540.025700] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3540.025703] | [ 3554.988387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 3554.988486] rcu: 1-....: (3552738 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=818352 | [ 3554.988547] rcu: (t=3549168 jiffies g=-219 q=807 ncpus=4) [ 3554.988625] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3554.988696] Workqueue: mld mld_ifc_work [ 3554.988730] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3554.988768] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 3554.988875] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 3554.988910] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 3554.988959] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 3554.989009] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 3554.989058] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 3554.989108] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 3554.989159] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 3554.989208] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3554.989249] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 3554.989298] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3554.989345] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3554.989395] PKRU: 55555554 [ 3554.989415] Call Trace: [ 3554.989436] [ 3554.989457] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 3554.989493] ? 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) [ 3554.989527] ? notifier_call_chain (kernel/notifier.c:93) [ 3554.989561] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 3554.989595] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 3554.989631] ? 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) [ 3554.989665] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 3554.989699] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 3554.989726] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 3554.989761] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 3554.989795] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 3554.989830] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 3554.989865] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 3554.989899] [ 3554.989920] [ 3554.989934] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 3554.989969] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3554.989997] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 3554.990031] netdev_core_pick_tx (net/core/dev.c:4211) [ 3554.990061] __dev_queue_xmit (net/core/dev.c:4295) [ 3554.990088] ? eth_header (net/ethernet/eth.c:85) [ 3554.990115] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 3554.990143] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 3554.990177] mld_sendpack (net/ipv6/mcast.c:1822) [ 3554.990205] mld_ifc_work (net/ipv6/mcast.c:2652) [ 3554.990232] process_one_work (kernel/workqueue.c:3254) [ 3554.990259] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3554.990294] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 3554.990322] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3554.990356] kthread (kernel/kthread.c:388) [ 3554.990384] ? __pfx_kthread (kernel/kthread.c:341) [ 3554.990411] ret_from_fork (arch/x86/kernel/process.c:147) [ 3554.990438] ? __pfx_kthread (kernel/kthread.c:341) [ 3554.990466] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3605.562398] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 3558909 jiffies s: 77 root: 0x2/. | [ 3605.562612] rcu: blocking rcu_node structures (internal RCU debug): | [ 3605.562649] Sending NMI from CPU 2 to CPUs 1: | [ 3605.562687] NMI backtrace for cpu 1 [ 3605.562695] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3605.562696] Workqueue: mld mld_ifc_work [ 3605.562703] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3605.562706] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 3605.562708] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 3605.562709] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 3605.562710] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 3605.562711] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 3605.562712] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 3605.562713] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 3605.562715] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 3605.562716] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3605.562717] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 3605.562718] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3605.562719] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3605.562720] PKRU: 55555554 [ 3605.562720] Call Trace: [ 3605.562722] [ 3605.562724] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 3605.562726] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 3605.562731] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 3605.562735] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 3605.562737] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 3605.562738] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 3605.562741] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3605.562742] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3605.562744] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3605.562745] [ 3605.562746] [ 3605.562746] netdev_core_pick_tx (net/core/dev.c:4211) [ 3605.562750] __dev_queue_xmit (net/core/dev.c:4295) [ 3605.562752] ? eth_header (net/ethernet/eth.c:85) [ 3605.562755] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 3605.562758] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 3605.562761] mld_sendpack (net/ipv6/mcast.c:1822) [ 3605.562764] mld_ifc_work (net/ipv6/mcast.c:2652) [ 3605.562766] process_one_work (kernel/workqueue.c:3254) [ 3605.562769] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3605.562771] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 3605.562773] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3605.562775] kthread (kernel/kthread.c:388) [ 3605.562777] ? __pfx_kthread (kernel/kthread.c:341) [ 3605.562778] ret_from_fork (arch/x86/kernel/process.c:147) [ 3605.562781] ? __pfx_kthread (kernel/kthread.c:341) [ 3605.562782] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3605.562786] | [ 3617.991386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 3617.991550] rcu: 1-....: (3615740 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=832370 | [ 3617.991609] rcu: (t=3612171 jiffies g=-219 q=807 ncpus=4) [ 3617.991684] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3617.991756] Workqueue: mld mld_ifc_work [ 3617.991789] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 3617.991824] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 3617.991930] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 3617.991964] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 3617.992011] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 3617.992060] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 3617.992109] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 3617.992158] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 3617.992208] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 3617.992257] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3617.992298] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 3617.992348] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3617.992397] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3617.992446] PKRU: 55555554 [ 3617.992467] Call Trace: [ 3617.992487] [ 3617.992509] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 3617.992548] ? 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) [ 3617.992582] ? notifier_call_chain (kernel/notifier.c:93) [ 3617.992617] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 3617.992651] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 3617.992685] ? 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) [ 3617.992719] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 3617.992754] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 3617.992781] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 3617.992818] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 3617.992852] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 3617.992889] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 3617.992923] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 3617.992958] [ 3617.992978] [ 3617.992998] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 3617.993032] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 3617.993058] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 3617.993092] netdev_core_pick_tx (net/core/dev.c:4211) [ 3617.993119] __dev_queue_xmit (net/core/dev.c:4295) [ 3617.993146] ? eth_header (net/ethernet/eth.c:85) [ 3617.993174] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 3617.993201] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 3617.993236] mld_sendpack (net/ipv6/mcast.c:1822) [ 3617.993263] mld_ifc_work (net/ipv6/mcast.c:2652) [ 3617.993291] process_one_work (kernel/workqueue.c:3254) [ 3617.993318] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3617.993352] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 3617.993380] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3617.993414] kthread (kernel/kthread.c:388) [ 3617.993442] ? __pfx_kthread (kernel/kthread.c:341) [ 3617.993470] ret_from_fork (arch/x86/kernel/process.c:147) [ 3617.993497] ? __pfx_kthread (kernel/kthread.c:341) [ 3617.993524] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3671.098393] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 3624445 jiffies s: 77 root: 0x2/. | [ 3671.098518] rcu: blocking rcu_node structures (internal RCU debug): | [ 3671.098557] Sending NMI from CPU 2 to CPUs 1: | [ 3671.098595] NMI backtrace for cpu 1 [ 3671.098602] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3671.098604] Workqueue: mld mld_ifc_work [ 3671.098610] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 3671.098614] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 3671.098616] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 3671.098617] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 3671.098618] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 3671.098619] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 3671.098620] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 3671.098620] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 3671.098623] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 3671.098625] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3671.098625] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 3671.098626] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3671.098627] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3671.098628] PKRU: 55555554 [ 3671.098628] Call Trace: [ 3671.098630] [ 3671.098632] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 3671.098635] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 3671.098639] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 3671.098643] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 3671.098646] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 3671.098647] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 3671.098651] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 3671.098652] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 3671.098654] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 3671.098655] [ 3671.098656] [ 3671.098656] netdev_core_pick_tx (net/core/dev.c:4211) [ 3671.098660] __dev_queue_xmit (net/core/dev.c:4295) [ 3671.098663] ? eth_header (net/ethernet/eth.c:85) [ 3671.098665] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 3671.098669] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 3671.098672] mld_sendpack (net/ipv6/mcast.c:1822) [ 3671.098675] mld_ifc_work (net/ipv6/mcast.c:2652) [ 3671.098677] process_one_work (kernel/workqueue.c:3254) [ 3671.098680] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3671.098682] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 3671.098684] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3671.098685] kthread (kernel/kthread.c:388) [ 3671.098687] ? __pfx_kthread (kernel/kthread.c:341) [ 3671.098688] ret_from_fork (arch/x86/kernel/process.c:147) [ 3671.098691] ? __pfx_kthread (kernel/kthread.c:341) [ 3671.098692] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3671.098696] | [ 3680.994386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 3680.994571] rcu: 1-....: (3678742 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=846101 | [ 3680.994639] rcu: (t=3675174 jiffies g=-219 q=807 ncpus=4) [ 3680.994714] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3680.994784] Workqueue: mld mld_ifc_work [ 3680.994823] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3680.994858] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 3680.994963] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 3680.994999] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 3680.995054] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 3680.995102] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 3680.995150] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 3680.995199] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 3680.995249] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 3680.995301] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3680.995342] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 3680.995391] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3680.995438] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3680.995487] PKRU: 55555554 [ 3680.995506] Call Trace: [ 3680.995522] [ 3680.995541] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 3680.995579] ? 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) [ 3680.995613] ? notifier_call_chain (kernel/notifier.c:93) [ 3680.995647] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 3680.995681] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 3680.995716] ? 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) [ 3680.995751] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 3680.995789] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 3680.995815] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 3680.995850] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 3680.995884] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 3680.995918] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 3680.995953] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 3680.995987] [ 3680.996007] [ 3680.996021] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 3680.996056] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3680.996083] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 3680.996119] netdev_core_pick_tx (net/core/dev.c:4211) [ 3680.996150] __dev_queue_xmit (net/core/dev.c:4295) [ 3680.996178] ? eth_header (net/ethernet/eth.c:85) [ 3680.996208] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 3680.996240] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 3680.996274] mld_sendpack (net/ipv6/mcast.c:1822) [ 3680.996302] mld_ifc_work (net/ipv6/mcast.c:2652) [ 3680.996329] process_one_work (kernel/workqueue.c:3254) [ 3680.996357] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3680.996391] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 3680.996419] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3680.996453] kthread (kernel/kthread.c:388) [ 3680.996481] ? __pfx_kthread (kernel/kthread.c:341) [ 3680.996508] ret_from_fork (arch/x86/kernel/process.c:147) [ 3680.996536] ? __pfx_kthread (kernel/kthread.c:341) [ 3680.996563] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3736.633397] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 3689980 jiffies s: 77 root: 0x2/. | [ 3736.633595] rcu: blocking rcu_node structures (internal RCU debug): | [ 3736.633634] Sending NMI from CPU 2 to CPUs 1: | [ 3736.633673] NMI backtrace for cpu 1 [ 3736.633680] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3736.633682] Workqueue: mld mld_ifc_work [ 3736.633689] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3736.633694] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 3736.633695] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 3736.633697] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 3736.633698] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 3736.633699] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 3736.633700] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 3736.633701] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 3736.633704] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 3736.633705] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3736.633706] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 3736.633707] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3736.633708] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3736.633709] PKRU: 55555554 [ 3736.633709] Call Trace: [ 3736.633711] [ 3736.633714] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 3736.633717] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 3736.633721] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 3736.633725] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 3736.633728] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 3736.633729] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 3736.633733] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3736.633734] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3736.633736] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3736.633738] [ 3736.633738] [ 3736.633739] netdev_core_pick_tx (net/core/dev.c:4211) [ 3736.633743] __dev_queue_xmit (net/core/dev.c:4295) [ 3736.633746] ? eth_header (net/ethernet/eth.c:85) [ 3736.633749] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 3736.633753] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 3736.633755] mld_sendpack (net/ipv6/mcast.c:1822) [ 3736.633759] mld_ifc_work (net/ipv6/mcast.c:2652) [ 3736.633761] process_one_work (kernel/workqueue.c:3254) [ 3736.633764] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3736.633765] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 3736.633767] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3736.633769] kthread (kernel/kthread.c:388) [ 3736.633771] ? __pfx_kthread (kernel/kthread.c:341) [ 3736.633772] ret_from_fork (arch/x86/kernel/process.c:147) [ 3736.633775] ? __pfx_kthread (kernel/kthread.c:341) [ 3736.633776] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3736.633780] | [ 3743.997386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 3743.997477] rcu: 1-....: (3741744 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=859646 | [ 3743.997540] rcu: (t=3738177 jiffies g=-219 q=807 ncpus=4) [ 3743.997615] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3743.997685] Workqueue: mld mld_ifc_work [ 3743.997716] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3743.997753] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 3743.997858] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 3743.997890] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 3743.997937] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 3743.997985] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 3743.998033] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 3743.998083] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 3743.998132] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 3743.998183] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3743.998224] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 3743.998274] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3743.998321] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3743.998370] PKRU: 55555554 [ 3743.998390] Call Trace: [ 3743.998405] [ 3743.998425] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 3743.998462] ? 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) [ 3743.998498] ? notifier_call_chain (kernel/notifier.c:93) [ 3743.998532] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 3743.998567] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 3743.998601] ? 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) [ 3743.998635] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 3743.998669] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 3743.998696] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 3743.998731] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 3743.998765] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 3743.998799] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 3743.998834] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 3743.998868] [ 3743.998888] [ 3743.998908] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 3743.998942] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3743.998969] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 3743.999005] netdev_core_pick_tx (net/core/dev.c:4211) [ 3743.999032] __dev_queue_xmit (net/core/dev.c:4295) [ 3743.999058] ? eth_header (net/ethernet/eth.c:85) [ 3743.999086] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 3743.999117] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 3743.999153] mld_sendpack (net/ipv6/mcast.c:1822) [ 3743.999181] mld_ifc_work (net/ipv6/mcast.c:2652) [ 3743.999208] process_one_work (kernel/workqueue.c:3254) [ 3743.999235] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3743.999270] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 3743.999298] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3743.999332] kthread (kernel/kthread.c:388) [ 3743.999360] ? __pfx_kthread (kernel/kthread.c:341) [ 3743.999387] ret_from_fork (arch/x86/kernel/process.c:147) [ 3743.999415] ? __pfx_kthread (kernel/kthread.c:341) [ 3743.999442] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3802.169406] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 3755516 jiffies s: 77 root: 0x2/. | [ 3802.169592] rcu: blocking rcu_node structures (internal RCU debug): | [ 3802.169632] Sending NMI from CPU 2 to CPUs 1: | [ 3802.169682] NMI backtrace for cpu 1 [ 3802.169690] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3802.169692] Workqueue: mld mld_ifc_work [ 3802.169700] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3802.169706] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 3802.169707] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 3802.169709] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 3802.169710] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 3802.169711] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 3802.169712] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 3802.169713] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 3802.169715] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 3802.169716] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3802.169717] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 3802.169718] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3802.169719] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3802.169719] PKRU: 55555554 [ 3802.169720] Call Trace: [ 3802.169725] [ 3802.169730] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 3802.169734] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 3802.169738] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 3802.169742] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 3802.169744] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 3802.169746] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 3802.169749] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3802.169750] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3802.169752] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3802.169753] [ 3802.169754] [ 3802.169754] netdev_core_pick_tx (net/core/dev.c:4211) [ 3802.169760] __dev_queue_xmit (net/core/dev.c:4295) [ 3802.169762] ? eth_header (net/ethernet/eth.c:85) [ 3802.169766] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 3802.169770] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 3802.169773] mld_sendpack (net/ipv6/mcast.c:1822) [ 3802.169776] mld_ifc_work (net/ipv6/mcast.c:2652) [ 3802.169779] process_one_work (kernel/workqueue.c:3254) [ 3802.169783] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3802.169785] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 3802.169787] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3802.169788] kthread (kernel/kthread.c:388) [ 3802.169791] ? __pfx_kthread (kernel/kthread.c:341) [ 3802.169792] ret_from_fork (arch/x86/kernel/process.c:147) [ 3802.169795] ? __pfx_kthread (kernel/kthread.c:341) [ 3802.169796] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3802.169801] | [ 3807.000386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 3807.000544] rcu: 1-....: (3804746 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=873425 | [ 3807.000604] rcu: (t=3801180 jiffies g=-219 q=807 ncpus=4) [ 3807.000681] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3807.000752] Workqueue: mld mld_ifc_work [ 3807.000785] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3807.000822] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 3807.000929] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 3807.000963] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 3807.001012] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 3807.001061] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 3807.001109] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 3807.001157] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 3807.001209] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 3807.001262] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3807.001303] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 3807.001352] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3807.001400] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3807.001450] PKRU: 55555554 [ 3807.001463] Call Trace: [ 3807.001479] [ 3807.001498] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 3807.001535] ? 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) [ 3807.001569] ? notifier_call_chain (kernel/notifier.c:93) [ 3807.001603] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 3807.001637] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 3807.001672] ? 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) [ 3807.001706] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 3807.001740] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 3807.001768] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 3807.001803] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 3807.001838] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 3807.001872] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 3807.001906] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 3807.001940] [ 3807.001960] [ 3807.001980] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 3807.002016] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3807.002043] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 3807.002077] netdev_core_pick_tx (net/core/dev.c:4211) [ 3807.002109] __dev_queue_xmit (net/core/dev.c:4295) [ 3807.002135] ? eth_header (net/ethernet/eth.c:85) [ 3807.002164] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 3807.002191] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 3807.002224] mld_sendpack (net/ipv6/mcast.c:1822) [ 3807.002252] mld_ifc_work (net/ipv6/mcast.c:2652) [ 3807.002279] process_one_work (kernel/workqueue.c:3254) [ 3807.002306] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3807.002341] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 3807.002369] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3807.002403] kthread (kernel/kthread.c:388) [ 3807.002430] ? __pfx_kthread (kernel/kthread.c:341) [ 3807.002458] ret_from_fork (arch/x86/kernel/process.c:147) [ 3807.002485] ? __pfx_kthread (kernel/kthread.c:341) [ 3807.002513] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3867.706395] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 3821053 jiffies s: 77 root: 0x2/. | [ 3867.706534] rcu: blocking rcu_node structures (internal RCU debug): | [ 3867.706577] Sending NMI from CPU 2 to CPUs 1: | [ 3867.706626] NMI backtrace for cpu 1 [ 3867.706640] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3867.706642] Workqueue: mld mld_ifc_work [ 3867.706649] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3867.706655] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 3867.706656] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 3867.706658] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 3867.706659] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 3867.706660] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 3867.706661] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 3867.706662] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 3867.706664] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 3867.706666] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3867.706666] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 3867.706667] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3867.706668] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3867.706669] PKRU: 55555554 [ 3867.706669] Call Trace: [ 3867.706672] [ 3867.706674] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 3867.706677] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 3867.706681] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 3867.706685] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 3867.706688] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 3867.706689] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 3867.706692] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3867.706694] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3867.706696] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3867.706697] [ 3867.706698] [ 3867.706699] netdev_core_pick_tx (net/core/dev.c:4211) [ 3867.706703] __dev_queue_xmit (net/core/dev.c:4295) [ 3867.706705] ? eth_header (net/ethernet/eth.c:85) [ 3867.706709] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 3867.706712] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 3867.706715] mld_sendpack (net/ipv6/mcast.c:1822) [ 3867.706718] mld_ifc_work (net/ipv6/mcast.c:2652) [ 3867.706721] process_one_work (kernel/workqueue.c:3254) [ 3867.706724] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3867.706726] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 3867.706728] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3867.706730] kthread (kernel/kthread.c:388) [ 3867.706732] ? __pfx_kthread (kernel/kthread.c:341) [ 3867.706734] ret_from_fork (arch/x86/kernel/process.c:147) [ 3867.706737] ? __pfx_kthread (kernel/kthread.c:341) [ 3867.706738] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3867.706743] | [ 3870.003387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 3870.003487] rcu: 1-....: (3867748 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=887367 | [ 3870.003549] rcu: (t=3864183 jiffies g=-219 q=807 ncpus=4) [ 3870.003633] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3870.003703] Workqueue: mld mld_ifc_work [ 3870.003737] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3870.003777] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 3870.003881] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 3870.003914] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 3870.003961] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 3870.004009] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 3870.004058] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 3870.004106] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 3870.004163] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 3870.004216] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3870.004257] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 3870.004306] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3870.004354] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3870.004408] PKRU: 55555554 [ 3870.004429] Call Trace: [ 3870.004444] [ 3870.004465] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 3870.004503] ? 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) [ 3870.004537] ? notifier_call_chain (kernel/notifier.c:93) [ 3870.004571] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 3870.004605] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 3870.004640] ? 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) [ 3870.004675] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 3870.004713] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 3870.004740] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 3870.004775] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 3870.004810] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 3870.004845] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 3870.004880] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 3870.004914] [ 3870.004935] [ 3870.004955] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 3870.004990] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3870.005016] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 3870.005050] netdev_core_pick_tx (net/core/dev.c:4211) [ 3870.005077] __dev_queue_xmit (net/core/dev.c:4295) [ 3870.005103] ? eth_header (net/ethernet/eth.c:85) [ 3870.005131] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 3870.005158] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 3870.005192] mld_sendpack (net/ipv6/mcast.c:1822) [ 3870.005220] mld_ifc_work (net/ipv6/mcast.c:2652) [ 3870.005248] process_one_work (kernel/workqueue.c:3254) [ 3870.005274] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3870.005308] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 3870.005335] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3870.005370] kthread (kernel/kthread.c:388) [ 3870.005403] ? __pfx_kthread (kernel/kthread.c:341) [ 3870.005430] ret_from_fork (arch/x86/kernel/process.c:147) [ 3870.005458] ? __pfx_kthread (kernel/kthread.c:341) [ 3870.005485] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3870.005513] | [ 3933.006387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 3933.006498] rcu: 1-....: (3930750 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=901208 | [ 3933.006559] rcu: (t=3927186 jiffies g=-219 q=807 ncpus=4) [ 3933.006641] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3933.006714] Workqueue: mld mld_ifc_work [ 3933.006753] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 3933.006792] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 3933.006898] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 3933.006932] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 3933.006982] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 3933.007030] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 3933.007076] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 3933.007138] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 3933.007188] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 3933.007241] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3933.007281] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 3933.007330] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3933.007378] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3933.007431] PKRU: 55555554 [ 3933.007452] Call Trace: [ 3933.007476] [ 3933.007502] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 3933.007540] ? 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) [ 3933.007574] ? notifier_call_chain (kernel/notifier.c:93) [ 3933.007608] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 3933.007642] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 3933.007677] ? 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) [ 3933.007711] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 3933.007748] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 3933.007775] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 3933.007811] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 3933.007845] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 3933.007880] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 3933.007914] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 3933.007949] [ 3933.007970] [ 3933.007990] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 3933.008025] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 3933.008052] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 3933.008086] netdev_core_pick_tx (net/core/dev.c:4211) [ 3933.008116] __dev_queue_xmit (net/core/dev.c:4295) [ 3933.008142] ? eth_header (net/ethernet/eth.c:85) [ 3933.008169] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 3933.008200] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 3933.008234] mld_sendpack (net/ipv6/mcast.c:1822) [ 3933.008261] mld_ifc_work (net/ipv6/mcast.c:2652) [ 3933.008287] process_one_work (kernel/workqueue.c:3254) [ 3933.008314] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3933.008348] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 3933.008375] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3933.008414] kthread (kernel/kthread.c:388) [ 3933.008442] ? __pfx_kthread (kernel/kthread.c:341) [ 3933.008469] ret_from_fork (arch/x86/kernel/process.c:147) [ 3933.008497] ? __pfx_kthread (kernel/kthread.c:341) [ 3933.008524] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3933.242397] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 3886589 jiffies s: 77 root: 0x2/. | [ 3933.242505] rcu: blocking rcu_node structures (internal RCU debug): | [ 3933.242542] Sending NMI from CPU 2 to CPUs 1: | [ 3933.242580] NMI backtrace for cpu 1 [ 3933.242588] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3933.242589] Workqueue: mld mld_ifc_work [ 3933.242592] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3933.242594] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 3933.242595] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 3933.242597] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 3933.242598] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 3933.242598] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 3933.242599] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 3933.242600] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 3933.242602] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 3933.242603] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3933.242604] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 3933.242605] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3933.242606] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3933.242607] PKRU: 55555554 [ 3933.242607] Call Trace: [ 3933.242608] [ 3933.242608] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 3933.242611] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 3933.242614] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 3933.242618] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 3933.242620] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 3933.242621] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 3933.242623] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3933.242625] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3933.242626] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3933.242628] [ 3933.242628] [ 3933.242628] netdev_core_pick_tx (net/core/dev.c:4211) [ 3933.242630] __dev_queue_xmit (net/core/dev.c:4295) [ 3933.242633] ? eth_header (net/ethernet/eth.c:85) [ 3933.242635] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 3933.242637] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 3933.242640] mld_sendpack (net/ipv6/mcast.c:1822) [ 3933.242642] mld_ifc_work (net/ipv6/mcast.c:2652) [ 3933.242644] process_one_work (kernel/workqueue.c:3254) [ 3933.242646] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3933.242648] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 3933.242650] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3933.242651] kthread (kernel/kthread.c:388) [ 3933.242652] ? __pfx_kthread (kernel/kthread.c:341) [ 3933.242654] ret_from_fork (arch/x86/kernel/process.c:147) [ 3933.242656] ? __pfx_kthread (kernel/kthread.c:341) [ 3933.242657] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3933.242659] | [ 3996.009386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 3996.009495] rcu: 1-....: (3993752 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=914783 | [ 3996.009554] rcu: (t=3990189 jiffies g=-219 q=807 ncpus=4) [ 3996.009633] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3996.009703] Workqueue: mld mld_ifc_work [ 3996.009739] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3996.009778] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 3996.009883] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 3996.009917] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 3996.009966] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 3996.010015] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 3996.010063] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 3996.010113] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 3996.010165] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 3996.010217] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3996.010258] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 3996.010308] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3996.010356] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3996.010411] PKRU: 55555554 [ 3996.010431] Call Trace: [ 3996.010453] [ 3996.010473] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 3996.010514] ? 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) [ 3996.010549] ? notifier_call_chain (kernel/notifier.c:93) [ 3996.010583] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 3996.010616] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 3996.010649] ? 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) [ 3996.010683] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 3996.010720] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 3996.010748] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 3996.010782] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 3996.010818] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 3996.010851] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 3996.010889] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 3996.010923] [ 3996.010943] [ 3996.010964] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 3996.010999] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3996.011025] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 3996.011059] netdev_core_pick_tx (net/core/dev.c:4211) [ 3996.011091] __dev_queue_xmit (net/core/dev.c:4295) [ 3996.011118] ? eth_header (net/ethernet/eth.c:85) [ 3996.011145] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 3996.011173] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 3996.011211] mld_sendpack (net/ipv6/mcast.c:1822) [ 3996.011238] mld_ifc_work (net/ipv6/mcast.c:2652) [ 3996.011265] process_one_work (kernel/workqueue.c:3254) [ 3996.011293] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3996.011327] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 3996.011354] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3996.011391] kthread (kernel/kthread.c:388) [ 3996.011420] ? __pfx_kthread (kernel/kthread.c:341) [ 3996.011447] ret_from_fork (arch/x86/kernel/process.c:147) [ 3996.011474] ? __pfx_kthread (kernel/kthread.c:341) [ 3996.011501] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3998.777394] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 3952124 jiffies s: 77 root: 0x2/. | [ 3998.777508] rcu: blocking rcu_node structures (internal RCU debug): | [ 3998.777546] Sending NMI from CPU 2 to CPUs 1: | [ 3998.777585] NMI backtrace for cpu 1 [ 3998.777591] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3998.777592] Workqueue: mld mld_ifc_work [ 3998.777597] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3998.777600] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 3998.777602] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 3998.777603] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 3998.777604] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 3998.777605] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 3998.777606] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 3998.777607] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 3998.777609] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 3998.777610] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3998.777611] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 3998.777612] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3998.777612] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3998.777613] PKRU: 55555554 [ 3998.777614] Call Trace: [ 3998.777615] [ 3998.777616] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 3998.777619] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 3998.777623] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 3998.777626] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 3998.777628] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 3998.777630] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 3998.777633] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3998.777634] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3998.777636] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3998.777637] [ 3998.777638] [ 3998.777638] netdev_core_pick_tx (net/core/dev.c:4211) [ 3998.777641] __dev_queue_xmit (net/core/dev.c:4295) [ 3998.777643] ? eth_header (net/ethernet/eth.c:85) [ 3998.777646] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 3998.777649] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 3998.777652] mld_sendpack (net/ipv6/mcast.c:1822) [ 3998.777654] mld_ifc_work (net/ipv6/mcast.c:2652) [ 3998.777656] process_one_work (kernel/workqueue.c:3254) [ 3998.777659] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3998.777661] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 3998.777663] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3998.777665] kthread (kernel/kthread.c:388) [ 3998.777667] ? __pfx_kthread (kernel/kthread.c:341) [ 3998.777668] ret_from_fork (arch/x86/kernel/process.c:147) [ 3998.777671] ? __pfx_kthread (kernel/kthread.c:341) [ 3998.777672] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3998.777674] | [ 4059.012387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 4059.012570] rcu: 1-....: (4056754 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=928866 | [ 4059.012633] rcu: (t=4053192 jiffies g=-219 q=807 ncpus=4) [ 4059.012717] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4059.012788] Workqueue: mld mld_ifc_work [ 4059.012822] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4059.012861] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 4059.012967] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 4059.013002] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 4059.013053] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 4059.013101] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 4059.013148] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 4059.013196] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 4059.013246] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 4059.013306] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4059.013346] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 4059.013398] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4059.013445] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4059.013493] PKRU: 55555554 [ 4059.013514] Call Trace: [ 4059.013536] [ 4059.013556] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 4059.013594] ? 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) [ 4059.013629] ? notifier_call_chain (kernel/notifier.c:93) [ 4059.013664] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 4059.013705] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 4059.013740] ? 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) [ 4059.013774] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 4059.013809] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 4059.013835] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 4059.013869] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 4059.013905] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 4059.013939] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 4059.013974] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 4059.014008] [ 4059.014028] [ 4059.014043] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 4059.014078] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4059.014106] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 4059.014140] netdev_core_pick_tx (net/core/dev.c:4211) [ 4059.014172] __dev_queue_xmit (net/core/dev.c:4295) [ 4059.014198] ? eth_header (net/ethernet/eth.c:85) [ 4059.014229] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 4059.014260] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 4059.014294] mld_sendpack (net/ipv6/mcast.c:1822) [ 4059.014321] mld_ifc_work (net/ipv6/mcast.c:2652) [ 4059.014347] process_one_work (kernel/workqueue.c:3254) [ 4059.014375] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4059.014410] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 4059.014437] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4059.014473] kthread (kernel/kthread.c:388) [ 4059.014500] ? __pfx_kthread (kernel/kthread.c:341) [ 4059.014528] ret_from_fork (arch/x86/kernel/process.c:147) [ 4059.014560] ? __pfx_kthread (kernel/kthread.c:341) [ 4059.014586] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 4064.313397] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 4017660 jiffies s: 77 root: 0x2/. | [ 4064.313548] rcu: blocking rcu_node structures (internal RCU debug): | [ 4064.313608] Sending NMI from CPU 2 to CPUs 1: | [ 4064.313663] NMI backtrace for cpu 1 [ 4064.313669] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4064.313671] Workqueue: mld mld_ifc_work [ 4064.313678] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4064.313683] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 4064.313685] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 4064.313686] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 4064.313687] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 4064.313688] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 4064.313689] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 4064.313690] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 4064.313693] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 4064.313694] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4064.313695] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 4064.313696] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4064.313697] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4064.313698] PKRU: 55555554 [ 4064.313698] Call Trace: [ 4064.313700] [ 4064.313702] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 4064.313704] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 4064.313708] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 4064.313713] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 4064.313715] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 4064.313716] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 4064.313720] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4064.313722] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4064.313723] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4064.313725] [ 4064.313726] [ 4064.313726] netdev_core_pick_tx (net/core/dev.c:4211) [ 4064.313730] __dev_queue_xmit (net/core/dev.c:4295) [ 4064.313733] ? eth_header (net/ethernet/eth.c:85) [ 4064.313736] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 4064.313740] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 4064.313743] mld_sendpack (net/ipv6/mcast.c:1822) [ 4064.313746] mld_ifc_work (net/ipv6/mcast.c:2652) [ 4064.313748] process_one_work (kernel/workqueue.c:3254) [ 4064.313752] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4064.313753] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 4064.313755] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4064.313757] kthread (kernel/kthread.c:388) [ 4064.313759] ? __pfx_kthread (kernel/kthread.c:341) [ 4064.313761] ret_from_fork (arch/x86/kernel/process.c:147) [ 4064.313764] ? __pfx_kthread (kernel/kthread.c:341) [ 4064.313766] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 4064.313770] | [ 4122.015386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 4122.015489] rcu: 1-....: (4119756 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=943240 | [ 4122.015548] rcu: (t=4116195 jiffies g=-219 q=807 ncpus=4) [ 4122.015623] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4122.015693] Workqueue: mld mld_ifc_work [ 4122.015728] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4122.015768] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 4122.015874] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 4122.015909] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 4122.015958] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 4122.016006] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 4122.016055] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 4122.016103] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 4122.016154] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 4122.016205] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4122.016246] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 4122.016296] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4122.016343] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4122.016391] PKRU: 55555554 [ 4122.016412] Call Trace: [ 4122.016433] [ 4122.016453] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 4122.016493] ? 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) [ 4122.016526] ? notifier_call_chain (kernel/notifier.c:93) [ 4122.016560] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 4122.016593] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 4122.016626] ? 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) [ 4122.016660] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 4122.016698] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 4122.016725] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 4122.016759] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 4122.016795] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 4122.016829] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 4122.016863] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 4122.016897] [ 4122.016917] [ 4122.016937] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 4122.016971] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4122.016998] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 4122.017032] netdev_core_pick_tx (net/core/dev.c:4211) [ 4122.017063] __dev_queue_xmit (net/core/dev.c:4295) [ 4122.017091] ? eth_header (net/ethernet/eth.c:85) [ 4122.017122] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 4122.017154] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 4122.017195] mld_sendpack (net/ipv6/mcast.c:1822) [ 4122.017222] mld_ifc_work (net/ipv6/mcast.c:2652) [ 4122.017249] process_one_work (kernel/workqueue.c:3254) [ 4122.017280] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4122.017314] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 4122.017341] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4122.017375] kthread (kernel/kthread.c:388) [ 4122.017403] ? __pfx_kthread (kernel/kthread.c:341) [ 4122.017431] ret_from_fork (arch/x86/kernel/process.c:147) [ 4122.017458] ? __pfx_kthread (kernel/kthread.c:341) [ 4122.017485] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 4129.849398] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 4083196 jiffies s: 77 root: 0x2/. | [ 4129.849519] rcu: blocking rcu_node structures (internal RCU debug): | [ 4129.849561] Sending NMI from CPU 2 to CPUs 1: | [ 4129.849603] NMI backtrace for cpu 1 [ 4129.849609] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4129.849611] Workqueue: mld mld_ifc_work [ 4129.849618] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4129.849622] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 4129.849624] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 4129.849625] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 4129.849627] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 4129.849627] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 4129.849628] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 4129.849629] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 4129.849632] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 4129.849633] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4129.849634] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 4129.849635] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4129.849636] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4129.849637] PKRU: 55555554 [ 4129.849637] Call Trace: [ 4129.849639] [ 4129.849641] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 4129.849644] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 4129.849648] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 4129.849652] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 4129.849655] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 4129.849656] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 4129.849659] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4129.849661] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4129.849663] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4129.849664] [ 4129.849664] [ 4129.849665] netdev_core_pick_tx (net/core/dev.c:4211) [ 4129.849670] __dev_queue_xmit (net/core/dev.c:4295) [ 4129.849672] ? eth_header (net/ethernet/eth.c:85) [ 4129.849676] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 4129.849680] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 4129.849683] mld_sendpack (net/ipv6/mcast.c:1822) [ 4129.849686] mld_ifc_work (net/ipv6/mcast.c:2652) [ 4129.849688] process_one_work (kernel/workqueue.c:3254) [ 4129.849691] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4129.849693] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 4129.849695] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4129.849696] kthread (kernel/kthread.c:388) [ 4129.849699] ? __pfx_kthread (kernel/kthread.c:341) [ 4129.849700] ret_from_fork (arch/x86/kernel/process.c:147) [ 4129.849704] ? __pfx_kthread (kernel/kthread.c:341) [ 4129.849705] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 4129.849709] | [ 4185.018386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 4185.018568] rcu: 1-....: (4182758 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=957235 | [ 4185.018630] rcu: (t=4179198 jiffies g=-219 q=807 ncpus=4) [ 4185.018711] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4185.018783] Workqueue: mld mld_ifc_work [ 4185.018818] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4185.018857] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 4185.018964] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 4185.018998] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 4185.019047] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 4185.019095] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 4185.019142] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 4185.019189] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 4185.019239] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 4185.019290] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4185.019330] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 4185.019381] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4185.019428] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4185.019477] PKRU: 55555554 [ 4185.019497] Call Trace: [ 4185.019519] [ 4185.019539] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 4185.019579] ? 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) [ 4185.019615] ? notifier_call_chain (kernel/notifier.c:93) [ 4185.019656] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 4185.019691] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 4185.019725] ? 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) [ 4185.019759] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 4185.019797] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 4185.019824] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 4185.019859] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 4185.019895] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 4185.019929] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 4185.019963] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 4185.019998] [ 4185.020018] [ 4185.020037] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 4185.020076] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4185.020102] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 4185.020137] netdev_core_pick_tx (net/core/dev.c:4211) [ 4185.020172] __dev_queue_xmit (net/core/dev.c:4295) [ 4185.020203] ? eth_header (net/ethernet/eth.c:85) [ 4185.020230] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 4185.020260] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 4185.020293] mld_sendpack (net/ipv6/mcast.c:1822) [ 4185.020321] mld_ifc_work (net/ipv6/mcast.c:2652) [ 4185.020348] process_one_work (kernel/workqueue.c:3254) [ 4185.020375] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4185.020410] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 4185.020437] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4185.020472] kthread (kernel/kthread.c:388) [ 4185.020499] ? __pfx_kthread (kernel/kthread.c:341) [ 4185.020526] ret_from_fork (arch/x86/kernel/process.c:147) [ 4185.020553] ? __pfx_kthread (kernel/kthread.c:341) [ 4185.020580] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 4195.386398] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 4148733 jiffies s: 77 root: 0x2/. | [ 4195.386524] rcu: blocking rcu_node structures (internal RCU debug): | [ 4195.386567] Sending NMI from CPU 2 to CPUs 1: | [ 4195.386619] NMI backtrace for cpu 1 [ 4195.386625] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4195.386627] Workqueue: mld mld_ifc_work [ 4195.386633] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4195.386637] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 4195.386639] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 4195.386640] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 4195.386641] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 4195.386642] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 4195.386643] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 4195.386644] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 4195.386646] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 4195.386647] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4195.386648] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 4195.386649] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4195.386650] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4195.386651] PKRU: 55555554 [ 4195.386651] Call Trace: [ 4195.386653] [ 4195.386655] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 4195.386658] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 4195.386662] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 4195.386666] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 4195.386669] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 4195.386670] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 4195.386674] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4195.386675] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4195.386677] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4195.386678] [ 4195.386679] [ 4195.386679] netdev_core_pick_tx (net/core/dev.c:4211) [ 4195.386684] __dev_queue_xmit (net/core/dev.c:4295) [ 4195.386686] ? eth_header (net/ethernet/eth.c:85) [ 4195.386690] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 4195.386693] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 4195.386696] mld_sendpack (net/ipv6/mcast.c:1822) [ 4195.386699] mld_ifc_work (net/ipv6/mcast.c:2652) [ 4195.386701] process_one_work (kernel/workqueue.c:3254) [ 4195.386704] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4195.386706] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 4195.386708] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4195.386710] kthread (kernel/kthread.c:388) [ 4195.386712] ? __pfx_kthread (kernel/kthread.c:341) [ 4195.386713] ret_from_fork (arch/x86/kernel/process.c:147) [ 4195.386716] ? __pfx_kthread (kernel/kthread.c:341) [ 4195.386717] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 4195.386721] | [ 4248.021398] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 4248.021571] rcu: 1-....: (4245760 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=972228 | [ 4248.021631] rcu: (t=4242201 jiffies g=-219 q=807 ncpus=4) [ 4248.021718] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4248.021790] Workqueue: mld mld_ifc_work [ 4248.021825] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4248.021868] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 4248.021975] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 4248.022010] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 4248.022059] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 4248.022108] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 4248.022157] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 4248.022206] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 4248.022257] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 4248.022308] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4248.022349] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 4248.022401] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4248.022448] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4248.022496] PKRU: 55555554 [ 4248.022516] Call Trace: [ 4248.022542] [ 4248.022572] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 4248.022612] ? 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) [ 4248.022646] ? notifier_call_chain (kernel/notifier.c:93) [ 4248.022684] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 4248.022720] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 4248.022754] ? 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) [ 4248.022787] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 4248.022825] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 4248.022852] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 4248.022887] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 4248.022921] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 4248.022956] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 4248.022990] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 4248.023024] [ 4248.023045] [ 4248.023065] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 4248.023100] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4248.023126] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 4248.023161] netdev_core_pick_tx (net/core/dev.c:4211) [ 4248.023193] __dev_queue_xmit (net/core/dev.c:4295) [ 4248.023222] ? eth_header (net/ethernet/eth.c:85) [ 4248.023253] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 4248.023281] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 4248.023315] mld_sendpack (net/ipv6/mcast.c:1822) [ 4248.023343] mld_ifc_work (net/ipv6/mcast.c:2652) [ 4248.023369] process_one_work (kernel/workqueue.c:3254) [ 4248.023397] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4248.023431] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 4248.023459] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4248.023493] kthread (kernel/kthread.c:388) [ 4248.023521] ? __pfx_kthread (kernel/kthread.c:341) [ 4248.023548] ret_from_fork (arch/x86/kernel/process.c:147) [ 4248.023575] ? __pfx_kthread (kernel/kthread.c:341) [ 4248.023602] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 4260.921407] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 4214268 jiffies s: 77 root: 0x2/. | [ 4260.921598] rcu: blocking rcu_node structures (internal RCU debug): | [ 4260.921643] Sending NMI from CPU 2 to CPUs 1: | [ 4260.921695] NMI backtrace for cpu 1 [ 4260.921701] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4260.921703] Workqueue: mld mld_ifc_work [ 4260.921710] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4260.921714] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 4260.921716] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 4260.921717] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 4260.921718] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 4260.921719] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 4260.921720] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 4260.921721] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 4260.921723] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 4260.921725] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4260.921726] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 4260.921727] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4260.921727] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4260.921728] PKRU: 55555554 [ 4260.921729] Call Trace: [ 4260.921731] [ 4260.921733] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 4260.921736] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 4260.921740] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 4260.921744] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 4260.921747] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 4260.921748] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 4260.921751] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4260.921753] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4260.921755] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4260.921756] [ 4260.921757] [ 4260.921757] netdev_core_pick_tx (net/core/dev.c:4211) [ 4260.921761] __dev_queue_xmit (net/core/dev.c:4295) [ 4260.921764] ? eth_header (net/ethernet/eth.c:85) [ 4260.921767] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 4260.921771] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 4260.921773] mld_sendpack (net/ipv6/mcast.c:1822) [ 4260.921777] mld_ifc_work (net/ipv6/mcast.c:2652) [ 4260.921779] process_one_work (kernel/workqueue.c:3254) [ 4260.921782] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4260.921784] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 4260.921786] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4260.921788] kthread (kernel/kthread.c:388) [ 4260.921790] ? __pfx_kthread (kernel/kthread.c:341) [ 4260.921791] ret_from_fork (arch/x86/kernel/process.c:147) [ 4260.921794] ? __pfx_kthread (kernel/kthread.c:341) [ 4260.921795] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 4260.921799] | [ 4311.024387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 4311.024503] rcu: 1-....: (4308762 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=986392 | [ 4311.024563] rcu: (t=4305204 jiffies g=-219 q=807 ncpus=4) [ 4311.024643] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4311.024714] Workqueue: mld mld_ifc_work [ 4311.024753] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4311.024792] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 4311.024901] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 4311.024936] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 4311.024984] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 4311.025032] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 4311.025079] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 4311.025125] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 4311.025175] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 4311.025227] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4311.025267] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 4311.025317] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4311.025365] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4311.025414] PKRU: 55555554 [ 4311.025434] Call Trace: [ 4311.025450] [ 4311.025470] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 4311.025510] ? 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) [ 4311.025545] ? notifier_call_chain (kernel/notifier.c:93) [ 4311.025580] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 4311.025614] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 4311.025649] ? 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) [ 4311.025683] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 4311.025721] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 4311.025747] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 4311.025782] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 4311.025817] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 4311.025851] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 4311.025886] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 4311.025920] [ 4311.025940] [ 4311.025955] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 4311.025990] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4311.026016] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 4311.026051] netdev_core_pick_tx (net/core/dev.c:4211) [ 4311.026083] __dev_queue_xmit (net/core/dev.c:4295) [ 4311.026110] ? eth_header (net/ethernet/eth.c:85) [ 4311.026138] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 4311.026168] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 4311.026204] mld_sendpack (net/ipv6/mcast.c:1822) [ 4311.026233] mld_ifc_work (net/ipv6/mcast.c:2652) [ 4311.026259] process_one_work (kernel/workqueue.c:3254) [ 4311.026290] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4311.026325] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 4311.026353] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4311.026387] kthread (kernel/kthread.c:388) [ 4311.026415] ? __pfx_kthread (kernel/kthread.c:341) [ 4311.026442] ret_from_fork (arch/x86/kernel/process.c:147) [ 4311.026470] ? __pfx_kthread (kernel/kthread.c:341) [ 4311.026497] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 4326.458395] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 4279805 jiffies s: 77 root: 0x2/. | [ 4326.458522] rcu: blocking rcu_node structures (internal RCU debug): | [ 4326.458573] Sending NMI from CPU 2 to CPUs 1: | [ 4326.458617] NMI backtrace for cpu 1 [ 4326.458621] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4326.458622] Workqueue: mld mld_ifc_work [ 4326.458627] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 4326.458629] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 4326.458631] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 4326.458632] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 4326.458633] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 4326.458634] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 4326.458634] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 4326.458635] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 4326.458637] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 4326.458639] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4326.458639] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 4326.458640] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4326.458641] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4326.458642] PKRU: 55555554 [ 4326.458643] Call Trace: [ 4326.458644] [ 4326.458645] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 4326.458648] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 4326.458651] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 4326.458655] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 4326.458657] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 4326.458658] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 4326.458661] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 4326.458662] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 4326.458664] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 4326.458665] [ 4326.458666] [ 4326.458666] netdev_core_pick_tx (net/core/dev.c:4211) [ 4326.458669] __dev_queue_xmit (net/core/dev.c:4295) [ 4326.458671] ? eth_header (net/ethernet/eth.c:85) [ 4326.458674] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 4326.458676] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 4326.458679] mld_sendpack (net/ipv6/mcast.c:1822) [ 4326.458682] mld_ifc_work (net/ipv6/mcast.c:2652) [ 4326.458684] process_one_work (kernel/workqueue.c:3254) [ 4326.458687] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4326.458689] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 4326.458691] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4326.458693] kthread (kernel/kthread.c:388) [ 4326.458694] ? __pfx_kthread (kernel/kthread.c:341) [ 4326.458695] ret_from_fork (arch/x86/kernel/process.c:147) [ 4326.458698] ? __pfx_kthread (kernel/kthread.c:341) [ 4326.458699] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 4326.458701] | [ 4374.027386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 4374.027485] rcu: 1-....: (4371764 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1000493 | [ 4374.027551] rcu: (t=4368207 jiffies g=-219 q=807 ncpus=4) [ 4374.027630] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4374.027700] Workqueue: mld mld_ifc_work [ 4374.027734] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4374.027773] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 4374.027875] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 4374.027909] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 4374.027957] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 4374.028006] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 4374.028054] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 4374.028103] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 4374.028153] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 4374.028204] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4374.028245] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 4374.028294] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4374.028342] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4374.028390] PKRU: 55555554 [ 4374.028410] Call Trace: [ 4374.028431] [ 4374.028451] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 4374.028490] ? 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) [ 4374.028524] ? notifier_call_chain (kernel/notifier.c:93) [ 4374.028558] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 4374.028591] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 4374.028624] ? 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) [ 4374.028657] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 4374.028691] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 4374.028718] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 4374.028752] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 4374.028788] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 4374.028822] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 4374.028857] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 4374.028891] [ 4374.028912] [ 4374.028932] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 4374.028969] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4374.028996] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 4374.029030] netdev_core_pick_tx (net/core/dev.c:4211) [ 4374.029058] __dev_queue_xmit (net/core/dev.c:4295) [ 4374.029084] ? eth_header (net/ethernet/eth.c:85) [ 4374.029116] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 4374.029146] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 4374.029184] mld_sendpack (net/ipv6/mcast.c:1822) [ 4374.029212] mld_ifc_work (net/ipv6/mcast.c:2652) [ 4374.029239] process_one_work (kernel/workqueue.c:3254) [ 4374.029269] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4374.029309] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 4374.029335] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4374.029370] kthread (kernel/kthread.c:388) [ 4374.029397] ? __pfx_kthread (kernel/kthread.c:341) [ 4374.029425] ret_from_fork (arch/x86/kernel/process.c:147) [ 4374.029452] ? __pfx_kthread (kernel/kthread.c:341) [ 4374.029479] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 4391.993396] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 4345340 jiffies s: 77 root: 0x2/. | [ 4391.993521] rcu: blocking rcu_node structures (internal RCU debug): | [ 4391.993565] Sending NMI from CPU 2 to CPUs 1: | [ 4391.993605] NMI backtrace for cpu 1 [ 4391.993610] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4391.993612] Workqueue: mld mld_ifc_work [ 4391.993616] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4391.993619] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 4391.993621] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 4391.993622] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 4391.993624] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 4391.993625] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 4391.993625] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 4391.993626] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 4391.993629] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 4391.993630] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4391.993630] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 4391.993631] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4391.993632] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4391.993633] PKRU: 55555554 [ 4391.993633] Call Trace: [ 4391.993634] [ 4391.993636] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 4391.993638] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 4391.993642] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 4391.993647] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 4391.993649] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 4391.993650] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 4391.993653] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4391.993655] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4391.993656] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4391.993658] [ 4391.993658] [ 4391.993659] netdev_core_pick_tx (net/core/dev.c:4211) [ 4391.993663] __dev_queue_xmit (net/core/dev.c:4295) [ 4391.993665] ? eth_header (net/ethernet/eth.c:85) [ 4391.993668] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 4391.993671] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 4391.993674] mld_sendpack (net/ipv6/mcast.c:1822) [ 4391.993677] mld_ifc_work (net/ipv6/mcast.c:2652) [ 4391.993679] process_one_work (kernel/workqueue.c:3254) [ 4391.993682] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4391.993683] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 4391.993685] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4391.993687] kthread (kernel/kthread.c:388) [ 4391.993689] ? __pfx_kthread (kernel/kthread.c:341) [ 4391.993690] ret_from_fork (arch/x86/kernel/process.c:147) [ 4391.993693] ? __pfx_kthread (kernel/kthread.c:341) [ 4391.993694] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 4391.993698] | [ 4437.030387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 4437.030497] rcu: 1-....: (4434766 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1014499 | [ 4437.030565] rcu: (t=4431210 jiffies g=-219 q=807 ncpus=4) [ 4437.030649] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4437.030721] Workqueue: mld mld_ifc_work [ 4437.030761] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4437.030800] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 4437.030909] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 4437.030943] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 4437.030991] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 4437.031038] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 4437.031085] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 4437.031132] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 4437.031182] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 4437.031234] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4437.031274] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 4437.031325] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4437.031373] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4437.031421] PKRU: 55555554 [ 4437.031441] Call Trace: [ 4437.031465] [ 4437.031498] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 4437.031539] ? 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) [ 4437.031573] ? notifier_call_chain (kernel/notifier.c:93) [ 4437.031608] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 4437.031642] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 4437.031678] ? 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) [ 4437.031712] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 4437.031753] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 4437.031779] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 4437.031814] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 4437.031849] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 4437.031883] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 4437.031918] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 4437.031952] [ 4437.031972] [ 4437.031993] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 4437.032028] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4437.032054] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 4437.032088] netdev_core_pick_tx (net/core/dev.c:4211) [ 4437.032119] __dev_queue_xmit (net/core/dev.c:4295) [ 4437.032145] ? eth_header (net/ethernet/eth.c:85) [ 4437.032176] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 4437.032206] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 4437.032241] mld_sendpack (net/ipv6/mcast.c:1822) [ 4437.032268] mld_ifc_work (net/ipv6/mcast.c:2652) [ 4437.032294] process_one_work (kernel/workqueue.c:3254) [ 4437.032325] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4437.032359] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 4437.032386] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4437.032421] kthread (kernel/kthread.c:388) [ 4437.032449] ? __pfx_kthread (kernel/kthread.c:341) [ 4437.032476] ret_from_fork (arch/x86/kernel/process.c:147) [ 4437.032503] ? __pfx_kthread (kernel/kthread.c:341) [ 4437.032531] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 4457.529396] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 4410876 jiffies s: 77 root: 0x2/. | [ 4457.529543] rcu: blocking rcu_node structures (internal RCU debug): | [ 4457.529602] Sending NMI from CPU 2 to CPUs 1: | [ 4457.529656] NMI backtrace for cpu 1 [ 4457.529670] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4457.529672] Workqueue: mld mld_ifc_work [ 4457.529679] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4457.529685] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 4457.529686] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 4457.529688] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 4457.529689] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 4457.529690] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 4457.529691] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 4457.529691] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 4457.529694] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 4457.529695] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4457.529696] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 4457.529697] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4457.529698] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4457.529698] PKRU: 55555554 [ 4457.529699] Call Trace: [ 4457.529700] [ 4457.529702] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 4457.529705] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 4457.529709] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 4457.529714] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 4457.529716] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 4457.529717] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 4457.529721] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4457.529722] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4457.529724] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4457.529726] [ 4457.529726] [ 4457.529727] netdev_core_pick_tx (net/core/dev.c:4211) [ 4457.529731] __dev_queue_xmit (net/core/dev.c:4295) [ 4457.529733] ? eth_header (net/ethernet/eth.c:85) [ 4457.529737] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 4457.529741] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 4457.529744] mld_sendpack (net/ipv6/mcast.c:1822) [ 4457.529746] mld_ifc_work (net/ipv6/mcast.c:2652) [ 4457.529749] process_one_work (kernel/workqueue.c:3254) [ 4457.529752] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4457.529754] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 4457.529756] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4457.529757] kthread (kernel/kthread.c:388) [ 4457.529759] ? __pfx_kthread (kernel/kthread.c:341) [ 4457.529760] ret_from_fork (arch/x86/kernel/process.c:147) [ 4457.529763] ? __pfx_kthread (kernel/kthread.c:341) [ 4457.529764] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 4457.529769] | [ 4500.033387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 4500.033512] rcu: 1-....: (4497768 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1029366 | [ 4500.033599] rcu: (t=4494213 jiffies g=-219 q=807 ncpus=4) [ 4500.033706] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4500.033806] Workqueue: mld mld_ifc_work [ 4500.033846] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 4500.033893] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 4500.034041] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 4500.034088] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 4500.034156] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 4500.034223] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 4500.034284] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 4500.034344] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 4500.034406] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 4500.034472] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4500.034527] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 4500.034597] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4500.034663] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4500.034724] PKRU: 55555554 [ 4500.034745] Call Trace: [ 4500.034767] [ 4500.034794] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 4500.034850] ? 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) [ 4500.034897] ? notifier_call_chain (kernel/notifier.c:93) [ 4500.034946] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 4500.034992] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 4500.035039] ? 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) [ 4500.035087] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 4500.035135] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 4500.035172] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 4500.035220] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 4500.035268] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 4500.035316] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 4500.035364] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 4500.035409] [ 4500.035430] [ 4500.035450] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 4500.035498] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 4500.035535] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 4500.035582] netdev_core_pick_tx (net/core/dev.c:4211) [ 4500.035619] __dev_queue_xmit (net/core/dev.c:4295) [ 4500.035656] ? eth_header (net/ethernet/eth.c:85) [ 4500.035694] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 4500.035732] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 4500.035780] mld_sendpack (net/ipv6/mcast.c:1822) [ 4500.035818] mld_ifc_work (net/ipv6/mcast.c:2652) [ 4500.035854] process_one_work (kernel/workqueue.c:3254) [ 4500.035892] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4500.035938] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 4500.035976] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4500.036023] kthread (kernel/kthread.c:388) [ 4500.036060] ? __pfx_kthread (kernel/kthread.c:341) [ 4500.036097] ret_from_fork (arch/x86/kernel/process.c:147) [ 4500.036134] ? __pfx_kthread (kernel/kthread.c:341) [ 4500.036172] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 4523.065397] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 4476412 jiffies s: 77 root: 0x2/. | [ 4523.065522] rcu: blocking rcu_node structures (internal RCU debug): | [ 4523.065566] Sending NMI from CPU 2 to CPUs 1: | [ 4523.065607] NMI backtrace for cpu 1 [ 4523.065613] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4523.065615] Workqueue: mld mld_ifc_work [ 4523.065622] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4523.065626] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 4523.065628] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 4523.065629] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 4523.065631] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 4523.065631] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 4523.065632] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 4523.065633] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 4523.065636] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 4523.065637] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4523.065638] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 4523.065639] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4523.065640] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4523.065641] PKRU: 55555554 [ 4523.065641] Call Trace: [ 4523.065643] [ 4523.065645] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 4523.065649] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 4523.065653] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 4523.065657] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 4523.065660] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 4523.065661] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 4523.065665] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4523.065667] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4523.065668] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4523.065670] [ 4523.065670] [ 4523.065670] netdev_core_pick_tx (net/core/dev.c:4211) [ 4523.065675] __dev_queue_xmit (net/core/dev.c:4295) [ 4523.065677] ? eth_header (net/ethernet/eth.c:85) [ 4523.065681] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 4523.065684] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 4523.065687] mld_sendpack (net/ipv6/mcast.c:1822) [ 4523.065690] mld_ifc_work (net/ipv6/mcast.c:2652) [ 4523.065692] process_one_work (kernel/workqueue.c:3254) [ 4523.065696] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4523.065698] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 4523.065700] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4523.065701] kthread (kernel/kthread.c:388) [ 4523.065703] ? __pfx_kthread (kernel/kthread.c:341) [ 4523.065705] ret_from_fork (arch/x86/kernel/process.c:147) [ 4523.065708] ? __pfx_kthread (kernel/kthread.c:341) [ 4523.065709] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 4523.065713] | [ 4563.036386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 4563.036504] rcu: 1-....: (4560770 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1043846 | [ 4563.036572] rcu: (t=4557216 jiffies g=-219 q=807 ncpus=4) [ 4563.036657] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4563.036728] Workqueue: mld mld_ifc_work [ 4563.036762] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4563.036801] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 4563.036910] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 4563.036945] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 4563.036993] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 4563.037040] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 4563.037086] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 4563.037134] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 4563.037185] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 4563.037237] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4563.037279] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 4563.037328] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4563.037375] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4563.037425] PKRU: 55555554 [ 4563.037446] Call Trace: [ 4563.037469] [ 4563.037489] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 4563.037527] ? 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) [ 4563.037562] ? notifier_call_chain (kernel/notifier.c:93) [ 4563.037596] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 4563.037633] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 4563.037667] ? 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) [ 4563.037702] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 4563.037742] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 4563.037769] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 4563.037805] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 4563.037839] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 4563.037874] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 4563.037908] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 4563.037943] [ 4563.037963] [ 4563.037984] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 4563.038018] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4563.038045] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 4563.038078] netdev_core_pick_tx (net/core/dev.c:4211) [ 4563.038107] __dev_queue_xmit (net/core/dev.c:4295) [ 4563.038132] ? eth_header (net/ethernet/eth.c:85) [ 4563.038163] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 4563.038189] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 4563.038222] mld_sendpack (net/ipv6/mcast.c:1822) [ 4563.038249] mld_ifc_work (net/ipv6/mcast.c:2652) [ 4563.038275] process_one_work (kernel/workqueue.c:3254) [ 4563.038302] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4563.038336] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 4563.038364] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4563.038398] kthread (kernel/kthread.c:388) [ 4563.038426] ? __pfx_kthread (kernel/kthread.c:341) [ 4563.038453] ret_from_fork (arch/x86/kernel/process.c:147) [ 4563.038482] ? __pfx_kthread (kernel/kthread.c:341) [ 4563.038509] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 4588.602399] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 4541949 jiffies s: 77 root: 0x2/. | [ 4588.602517] rcu: blocking rcu_node structures (internal RCU debug): | [ 4588.602555] Sending NMI from CPU 2 to CPUs 1: | [ 4588.602594] NMI backtrace for cpu 1 [ 4588.602602] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4588.602604] Workqueue: mld mld_ifc_work [ 4588.602611] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 4588.602615] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 4588.602617] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 4588.602619] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 4588.602620] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 4588.602620] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 4588.602621] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 4588.602622] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 4588.602625] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 4588.602626] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4588.602627] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 4588.602628] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4588.602629] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4588.602629] PKRU: 55555554 [ 4588.602630] Call Trace: [ 4588.602632] [ 4588.602634] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 4588.602637] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 4588.602641] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 4588.602645] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 4588.602647] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 4588.602649] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 4588.602652] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 4588.602654] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 4588.602655] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 4588.602656] [ 4588.602657] [ 4588.602657] netdev_core_pick_tx (net/core/dev.c:4211) [ 4588.602661] __dev_queue_xmit (net/core/dev.c:4295) [ 4588.602664] ? eth_header (net/ethernet/eth.c:85) [ 4588.602667] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 4588.602671] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 4588.602674] mld_sendpack (net/ipv6/mcast.c:1822) [ 4588.602677] mld_ifc_work (net/ipv6/mcast.c:2652) [ 4588.602680] process_one_work (kernel/workqueue.c:3254) [ 4588.602683] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4588.602685] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 4588.602687] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4588.602689] kthread (kernel/kthread.c:388) [ 4588.602691] ? __pfx_kthread (kernel/kthread.c:341) [ 4588.602692] ret_from_fork (arch/x86/kernel/process.c:147) [ 4588.602696] ? __pfx_kthread (kernel/kthread.c:341) [ 4588.602697] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 4588.602702] | [ 4626.039413] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 4626.039513] rcu: 1-....: (4623772 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1057787 | [ 4626.039579] rcu: (t=4620219 jiffies g=-219 q=807 ncpus=4) [ 4626.039658] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4626.039729] Workqueue: mld mld_ifc_work [ 4626.039763] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4626.039804] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 4626.039914] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 4626.039948] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 4626.039996] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 4626.040046] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 4626.040095] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 4626.040143] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 4626.040194] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 4626.040248] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4626.040288] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 4626.040338] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4626.040385] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4626.040435] PKRU: 55555554 [ 4626.040456] Call Trace: [ 4626.040477] [ 4626.040497] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 4626.040537] ? 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) [ 4626.040570] ? notifier_call_chain (kernel/notifier.c:93) [ 4626.040623] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 4626.040659] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 4626.040693] ? 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) [ 4626.040727] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 4626.040762] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 4626.040790] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 4626.040825] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 4626.040860] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 4626.040896] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 4626.040929] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 4626.040965] [ 4626.040985] [ 4626.041006] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 4626.041040] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4626.041068] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 4626.041102] netdev_core_pick_tx (net/core/dev.c:4211) [ 4626.041130] __dev_queue_xmit (net/core/dev.c:4295) [ 4626.041157] ? eth_header (net/ethernet/eth.c:85) [ 4626.041188] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 4626.041216] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 4626.041250] mld_sendpack (net/ipv6/mcast.c:1822) [ 4626.041277] mld_ifc_work (net/ipv6/mcast.c:2652) [ 4626.041304] process_one_work (kernel/workqueue.c:3254) [ 4626.041332] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4626.041366] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 4626.041395] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4626.041429] kthread (kernel/kthread.c:388) [ 4626.041457] ? __pfx_kthread (kernel/kthread.c:341) [ 4626.041485] ret_from_fork (arch/x86/kernel/process.c:147) [ 4626.041516] ? __pfx_kthread (kernel/kthread.c:341) [ 4626.041543] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 4654.138395] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 4607484 jiffies s: 77 root: 0x2/. | [ 4654.138514] rcu: blocking rcu_node structures (internal RCU debug): | [ 4654.138552] Sending NMI from CPU 2 to CPUs 1: | [ 4654.138591] NMI backtrace for cpu 1 [ 4654.138599] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4654.138601] Workqueue: mld mld_ifc_work [ 4654.138608] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4654.138612] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 4654.138614] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 4654.138615] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 4654.138616] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 4654.138617] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 4654.138618] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 4654.138619] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 4654.138622] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 4654.138623] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4654.138624] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 4654.138625] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4654.138626] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4654.138627] PKRU: 55555554 [ 4654.138627] Call Trace: [ 4654.138629] [ 4654.138631] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 4654.138634] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 4654.138638] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 4654.138642] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 4654.138644] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 4654.138645] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 4654.138649] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4654.138651] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4654.138652] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4654.138654] [ 4654.138654] [ 4654.138655] netdev_core_pick_tx (net/core/dev.c:4211) [ 4654.138659] __dev_queue_xmit (net/core/dev.c:4295) [ 4654.138661] ? eth_header (net/ethernet/eth.c:85) [ 4654.138665] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 4654.138669] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 4654.138671] mld_sendpack (net/ipv6/mcast.c:1822) [ 4654.138675] mld_ifc_work (net/ipv6/mcast.c:2652) [ 4654.138677] process_one_work (kernel/workqueue.c:3254) [ 4654.138680] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4654.138682] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 4654.138684] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4654.138685] kthread (kernel/kthread.c:388) [ 4654.138687] ? __pfx_kthread (kernel/kthread.c:341) [ 4654.138688] ret_from_fork (arch/x86/kernel/process.c:147) [ 4654.138691] ? __pfx_kthread (kernel/kthread.c:341) [ 4654.138692] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 4654.138696] | [ 4689.042387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 4689.042540] rcu: 1-....: (4686774 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1072010 | [ 4689.042609] rcu: (t=4683222 jiffies g=-219 q=807 ncpus=4) [ 4689.042688] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4689.042767] Workqueue: mld mld_ifc_work [ 4689.042801] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4689.042844] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 4689.042948] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 4689.042983] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 4689.043031] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 4689.043077] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 4689.043124] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 4689.043172] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 4689.043222] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 4689.043273] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4689.043313] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 4689.043363] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4689.043413] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4689.043462] PKRU: 55555554 [ 4689.043482] Call Trace: [ 4689.043503] [ 4689.043524] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 4689.043562] ? 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) [ 4689.043596] ? notifier_call_chain (kernel/notifier.c:93) [ 4689.043631] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 4689.043665] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 4689.043700] ? 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) [ 4689.043734] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 4689.043773] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 4689.043801] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 4689.043835] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 4689.043869] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 4689.043904] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 4689.043937] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 4689.043972] [ 4689.043992] [ 4689.044013] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 4689.044048] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4689.044075] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 4689.044109] netdev_core_pick_tx (net/core/dev.c:4211) [ 4689.044140] __dev_queue_xmit (net/core/dev.c:4295) [ 4689.044166] ? eth_header (net/ethernet/eth.c:85) [ 4689.044196] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 4689.044224] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 4689.044256] mld_sendpack (net/ipv6/mcast.c:1822) [ 4689.044284] mld_ifc_work (net/ipv6/mcast.c:2652) [ 4689.044311] process_one_work (kernel/workqueue.c:3254) [ 4689.044338] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4689.044371] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 4689.044399] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4689.044434] kthread (kernel/kthread.c:388) [ 4689.044461] ? __pfx_kthread (kernel/kthread.c:341) [ 4689.044489] ret_from_fork (arch/x86/kernel/process.c:147) [ 4689.044516] ? __pfx_kthread (kernel/kthread.c:341) [ 4689.044544] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 4719.674392] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 4673021 jiffies s: 77 root: 0x2/. | [ 4719.674511] rcu: blocking rcu_node structures (internal RCU debug): | [ 4719.674549] Sending NMI from CPU 2 to CPUs 1: | [ 4719.674588] NMI backtrace for cpu 1 [ 4719.674597] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4719.674599] Workqueue: mld mld_ifc_work [ 4719.674606] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4719.674610] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 4719.674612] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 4719.674613] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 4719.674614] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 4719.674615] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 4719.674617] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 4719.674617] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 4719.674620] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 4719.674621] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4719.674622] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 4719.674623] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4719.674624] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4719.674625] PKRU: 55555554 [ 4719.674625] Call Trace: [ 4719.674627] [ 4719.674630] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 4719.674633] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 4719.674637] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 4719.674641] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 4719.674643] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 4719.674645] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 4719.674648] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4719.674650] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4719.674651] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4719.674653] [ 4719.674653] [ 4719.674654] netdev_core_pick_tx (net/core/dev.c:4211) [ 4719.674658] __dev_queue_xmit (net/core/dev.c:4295) [ 4719.674661] ? eth_header (net/ethernet/eth.c:85) [ 4719.674664] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 4719.674668] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 4719.674671] mld_sendpack (net/ipv6/mcast.c:1822) [ 4719.674674] mld_ifc_work (net/ipv6/mcast.c:2652) [ 4719.674676] process_one_work (kernel/workqueue.c:3254) [ 4719.674679] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4719.674681] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 4719.674683] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4719.674684] kthread (kernel/kthread.c:388) [ 4719.674686] ? __pfx_kthread (kernel/kthread.c:341) [ 4719.674687] ret_from_fork (arch/x86/kernel/process.c:147) [ 4719.674690] ? __pfx_kthread (kernel/kthread.c:341) [ 4719.674691] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 4719.674695] | [ 4752.045395] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 4752.045511] rcu: 1-....: (4749776 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1086311 | [ 4752.045578] rcu: (t=4746225 jiffies g=-219 q=807 ncpus=4) [ 4752.045660] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4752.045731] Workqueue: mld mld_ifc_work [ 4752.045766] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4752.045807] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 4752.045914] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 4752.045949] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 4752.045997] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 4752.046046] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 4752.046095] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 4752.046144] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 4752.046195] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 4752.046247] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4752.046288] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 4752.046337] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4752.046388] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4752.046437] PKRU: 55555554 [ 4752.046457] Call Trace: [ 4752.046481] [ 4752.046507] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 4752.046546] ? 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) [ 4752.046579] ? notifier_call_chain (kernel/notifier.c:93) [ 4752.046611] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 4752.046645] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 4752.046679] ? 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) [ 4752.046713] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 4752.046748] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 4752.046775] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 4752.046811] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 4752.046845] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 4752.046880] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 4752.046919] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 4752.046953] [ 4752.046974] [ 4752.046995] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 4752.047029] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4752.047056] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 4752.047090] netdev_core_pick_tx (net/core/dev.c:4211) [ 4752.047123] __dev_queue_xmit (net/core/dev.c:4295) [ 4752.047154] ? eth_header (net/ethernet/eth.c:85) [ 4752.047185] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 4752.047217] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 4752.047251] mld_sendpack (net/ipv6/mcast.c:1822) [ 4752.047279] mld_ifc_work (net/ipv6/mcast.c:2652) [ 4752.047305] process_one_work (kernel/workqueue.c:3254) [ 4752.047336] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4752.047370] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 4752.047398] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4752.047433] kthread (kernel/kthread.c:388) [ 4752.047460] ? __pfx_kthread (kernel/kthread.c:341) [ 4752.047488] ret_from_fork (arch/x86/kernel/process.c:147) [ 4752.047516] ? __pfx_kthread (kernel/kthread.c:341) [ 4752.047544] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 4785.209402] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 4738556 jiffies s: 77 root: 0x2/. | [ 4785.209526] rcu: blocking rcu_node structures (internal RCU debug): | [ 4785.209567] Sending NMI from CPU 2 to CPUs 1: | [ 4785.209615] NMI backtrace for cpu 1 [ 4785.209622] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4785.209624] Workqueue: mld mld_ifc_work [ 4785.209631] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4785.209636] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 4785.209638] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 4785.209639] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 4785.209640] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 4785.209641] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 4785.209642] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 4785.209643] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 4785.209646] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 4785.209647] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4785.209648] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 4785.209648] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4785.209649] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4785.209650] PKRU: 55555554 [ 4785.209650] Call Trace: [ 4785.209652] [ 4785.209654] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 4785.209657] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 4785.209661] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 4785.209665] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 4785.209668] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 4785.209669] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 4785.209673] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4785.209674] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4785.209676] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4785.209677] [ 4785.209678] [ 4785.209678] netdev_core_pick_tx (net/core/dev.c:4211) [ 4785.209683] __dev_queue_xmit (net/core/dev.c:4295) [ 4785.209685] ? eth_header (net/ethernet/eth.c:85) [ 4785.209688] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 4785.209692] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 4785.209695] mld_sendpack (net/ipv6/mcast.c:1822) [ 4785.209698] mld_ifc_work (net/ipv6/mcast.c:2652) [ 4785.209700] process_one_work (kernel/workqueue.c:3254) [ 4785.209704] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4785.209706] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 4785.209708] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4785.209709] kthread (kernel/kthread.c:388) [ 4785.209711] ? __pfx_kthread (kernel/kthread.c:341) [ 4785.209713] ret_from_fork (arch/x86/kernel/process.c:147) [ 4785.209716] ? __pfx_kthread (kernel/kthread.c:341) [ 4785.209718] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 4785.209722] | [ 4815.048387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 4815.048571] rcu: 1-....: (4812778 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1099952 | [ 4815.048640] rcu: (t=4809228 jiffies g=-219 q=807 ncpus=4) [ 4815.048728] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4815.048800] Workqueue: mld mld_ifc_work [ 4815.048837] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4815.048877] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 4815.048983] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 4815.049018] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 4815.049066] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 4815.049113] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 4815.049160] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 4815.049209] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 4815.049260] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 4815.049312] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4815.049352] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 4815.049403] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4815.049452] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4815.049500] PKRU: 55555554 [ 4815.049521] Call Trace: [ 4815.049543] [ 4815.049563] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 4815.049604] ? 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) [ 4815.049639] ? notifier_call_chain (kernel/notifier.c:93) [ 4815.049673] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 4815.049719] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 4815.049753] ? 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) [ 4815.049787] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 4815.049826] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 4815.049853] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 4815.049889] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 4815.049923] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 4815.049958] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 4815.049992] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 4815.050030] [ 4815.050045] [ 4815.050060] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 4815.050095] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4815.050123] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 4815.050156] netdev_core_pick_tx (net/core/dev.c:4211) [ 4815.050185] __dev_queue_xmit (net/core/dev.c:4295) [ 4815.050211] ? eth_header (net/ethernet/eth.c:85) [ 4815.050238] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 4815.050264] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 4815.050298] mld_sendpack (net/ipv6/mcast.c:1822) [ 4815.050326] mld_ifc_work (net/ipv6/mcast.c:2652) [ 4815.050353] process_one_work (kernel/workqueue.c:3254) [ 4815.050383] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4815.050418] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 4815.050445] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4815.050480] kthread (kernel/kthread.c:388) [ 4815.050507] ? __pfx_kthread (kernel/kthread.c:341) [ 4815.050535] ret_from_fork (arch/x86/kernel/process.c:147) [ 4815.050562] ? __pfx_kthread (kernel/kthread.c:341) [ 4815.050590] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 4850.746393] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 4804092 jiffies s: 77 root: 0x2/. | [ 4850.746511] rcu: blocking rcu_node structures (internal RCU debug): | [ 4850.746556] Sending NMI from CPU 2 to CPUs 1: | [ 4850.746597] NMI backtrace for cpu 1 [ 4850.746604] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4850.746606] Workqueue: mld mld_ifc_work [ 4850.746612] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4850.746617] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 4850.746618] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 4850.746620] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 4850.746621] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 4850.746622] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 4850.746623] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 4850.746623] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 4850.746627] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 4850.746628] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4850.746629] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 4850.746629] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4850.746630] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4850.746631] PKRU: 55555554 [ 4850.746631] Call Trace: [ 4850.746633] [ 4850.746635] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 4850.746638] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 4850.746642] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 4850.746646] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 4850.746649] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 4850.746650] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 4850.746654] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4850.746655] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4850.746657] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4850.746658] [ 4850.746659] [ 4850.746659] netdev_core_pick_tx (net/core/dev.c:4211) [ 4850.746664] __dev_queue_xmit (net/core/dev.c:4295) [ 4850.746666] ? eth_header (net/ethernet/eth.c:85) [ 4850.746669] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 4850.746673] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 4850.746676] mld_sendpack (net/ipv6/mcast.c:1822) [ 4850.746679] mld_ifc_work (net/ipv6/mcast.c:2652) [ 4850.746681] process_one_work (kernel/workqueue.c:3254) [ 4850.746684] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4850.746686] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 4850.746688] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4850.746690] kthread (kernel/kthread.c:388) [ 4850.746692] ? __pfx_kthread (kernel/kthread.c:341) [ 4850.746693] ret_from_fork (arch/x86/kernel/process.c:147) [ 4850.746696] ? __pfx_kthread (kernel/kthread.c:341) [ 4850.746697] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 4850.746701] | [ 4878.051387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 4878.051491] rcu: 1-....: (4875780 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1114046 | [ 4878.051560] rcu: (t=4872231 jiffies g=-219 q=807 ncpus=4) [ 4878.051641] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4878.051712] Workqueue: mld mld_ifc_work [ 4878.051746] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 4878.051784] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 4878.051890] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 4878.051924] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 4878.051974] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 4878.052023] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 4878.052072] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 4878.052120] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 4878.052171] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 4878.052224] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4878.052265] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 4878.052314] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4878.052363] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4878.052414] PKRU: 55555554 [ 4878.052434] Call Trace: [ 4878.052456] [ 4878.052476] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 4878.052514] ? 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) [ 4878.052547] ? notifier_call_chain (kernel/notifier.c:93) [ 4878.052580] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 4878.052614] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 4878.052648] ? 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) [ 4878.052682] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 4878.052717] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 4878.052744] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 4878.052779] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 4878.052813] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 4878.052849] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 4878.052888] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 4878.052921] [ 4878.052942] [ 4878.052962] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 4878.052997] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 4878.053023] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 4878.053058] netdev_core_pick_tx (net/core/dev.c:4211) [ 4878.053087] __dev_queue_xmit (net/core/dev.c:4295) [ 4878.053114] ? eth_header (net/ethernet/eth.c:85) [ 4878.053145] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 4878.053173] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 4878.053208] mld_sendpack (net/ipv6/mcast.c:1822) [ 4878.053235] mld_ifc_work (net/ipv6/mcast.c:2652) [ 4878.053262] process_one_work (kernel/workqueue.c:3254) [ 4878.053290] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4878.053324] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 4878.053352] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4878.053386] kthread (kernel/kthread.c:388) [ 4878.053413] ? __pfx_kthread (kernel/kthread.c:341) [ 4878.053440] ret_from_fork (arch/x86/kernel/process.c:147) [ 4878.053468] ? __pfx_kthread (kernel/kthread.c:341) [ 4878.053497] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 4916.282395] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 4869629 jiffies s: 77 root: 0x2/. | [ 4916.282537] rcu: blocking rcu_node structures (internal RCU debug): | [ 4916.282574] Sending NMI from CPU 2 to CPUs 1: | [ 4916.282611] NMI backtrace for cpu 1 [ 4916.282621] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4916.282625] Workqueue: mld mld_ifc_work [ 4916.282636] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4916.282641] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 4916.282643] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 4916.282644] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 4916.282646] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 4916.282646] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 4916.282647] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 4916.282648] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 4916.282650] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 4916.282652] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4916.282653] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 4916.282653] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4916.282654] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4916.282655] PKRU: 55555554 [ 4916.282655] Call Trace: [ 4916.282659] [ 4916.282665] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 4916.282669] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 4916.282673] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 4916.282678] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 4916.282680] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 4916.282681] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 4916.282685] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4916.282686] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4916.282688] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4916.282690] [ 4916.282690] [ 4916.282690] netdev_core_pick_tx (net/core/dev.c:4211) [ 4916.282695] __dev_queue_xmit (net/core/dev.c:4295) [ 4916.282697] ? eth_header (net/ethernet/eth.c:85) [ 4916.282701] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 4916.282705] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 4916.282708] mld_sendpack (net/ipv6/mcast.c:1822) [ 4916.282711] mld_ifc_work (net/ipv6/mcast.c:2652) [ 4916.282713] process_one_work (kernel/workqueue.c:3254) [ 4916.282717] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4916.282719] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 4916.282721] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4916.282723] kthread (kernel/kthread.c:388) [ 4916.282725] ? __pfx_kthread (kernel/kthread.c:341) [ 4916.282726] ret_from_fork (arch/x86/kernel/process.c:147) [ 4916.282729] ? __pfx_kthread (kernel/kthread.c:341) [ 4916.282730] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 4916.282735] | [ 4941.054387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 4941.054487] rcu: 1-....: (4938782 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1128201 | [ 4941.054554] rcu: (t=4935234 jiffies g=-219 q=807 ncpus=4) [ 4941.054633] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4941.054704] Workqueue: mld mld_ifc_work [ 4941.054738] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4941.054775] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 4941.054881] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 4941.054916] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 4941.054963] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 4941.055010] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 4941.055057] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 4941.055112] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 4941.055163] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 4941.055213] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4941.055254] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 4941.055304] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4941.055351] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4941.055401] PKRU: 55555554 [ 4941.055421] Call Trace: [ 4941.055443] [ 4941.055463] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 4941.055501] ? 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) [ 4941.055537] ? notifier_call_chain (kernel/notifier.c:93) [ 4941.055571] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 4941.055606] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 4941.055640] ? 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) [ 4941.055674] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 4941.055712] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 4941.055739] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 4941.055774] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 4941.055810] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 4941.055844] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 4941.055880] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 4941.055914] [ 4941.055928] [ 4941.055948] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 4941.055983] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4941.056008] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 4941.056042] netdev_core_pick_tx (net/core/dev.c:4211) [ 4941.056069] __dev_queue_xmit (net/core/dev.c:4295) [ 4941.056095] ? eth_header (net/ethernet/eth.c:85) [ 4941.056125] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 4941.056152] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 4941.056187] mld_sendpack (net/ipv6/mcast.c:1822) [ 4941.056214] mld_ifc_work (net/ipv6/mcast.c:2652) [ 4941.056241] process_one_work (kernel/workqueue.c:3254) [ 4941.056269] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4941.056303] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 4941.056330] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4941.056364] kthread (kernel/kthread.c:388) [ 4941.056392] ? __pfx_kthread (kernel/kthread.c:341) [ 4941.056419] ret_from_fork (arch/x86/kernel/process.c:147) [ 4941.056446] ? __pfx_kthread (kernel/kthread.c:341) [ 4941.056474] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 4981.817406] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 4935164 jiffies s: 77 root: 0x2/. | [ 4981.817604] rcu: blocking rcu_node structures (internal RCU debug): | [ 4981.817644] Sending NMI from CPU 2 to CPUs 1: | [ 4981.817687] NMI backtrace for cpu 1 [ 4981.817695] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4981.817697] Workqueue: mld mld_ifc_work [ 4981.817704] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4981.817709] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 4981.817710] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 4981.817712] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 4981.817713] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 4981.817714] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 4981.817714] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 4981.817715] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 4981.817718] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 4981.817719] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4981.817720] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 4981.817721] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4981.817722] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4981.817722] PKRU: 55555554 [ 4981.817723] Call Trace: [ 4981.817725] [ 4981.817727] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 4981.817729] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 4981.817733] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 4981.817737] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 4981.817740] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 4981.817741] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 4981.817745] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4981.817746] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4981.817748] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4981.817749] [ 4981.817749] [ 4981.817750] netdev_core_pick_tx (net/core/dev.c:4211) [ 4981.817754] __dev_queue_xmit (net/core/dev.c:4295) [ 4981.817756] ? eth_header (net/ethernet/eth.c:85) [ 4981.817760] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 4981.817763] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 4981.817766] mld_sendpack (net/ipv6/mcast.c:1822) [ 4981.817769] mld_ifc_work (net/ipv6/mcast.c:2652) [ 4981.817771] process_one_work (kernel/workqueue.c:3254) [ 4981.817775] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4981.817777] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 4981.817779] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4981.817780] kthread (kernel/kthread.c:388) [ 4981.817783] ? __pfx_kthread (kernel/kthread.c:341) [ 4981.817784] ret_from_fork (arch/x86/kernel/process.c:147) [ 4981.817787] ? __pfx_kthread (kernel/kthread.c:341) [ 4981.817788] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 4981.817793] | [ 5004.057386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 5004.057493] rcu: 1-....: (5001784 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1142400 | [ 5004.057571] rcu: (t=4998237 jiffies g=-219 q=807 ncpus=4) [ 5004.057651] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5004.057722] Workqueue: mld mld_ifc_work [ 5004.057757] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5004.057797] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 5004.057902] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 5004.057937] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 5004.057986] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 5004.058035] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 5004.058084] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 5004.058134] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 5004.058184] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 5004.058235] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5004.058275] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 5004.058326] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5004.058374] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5004.058425] PKRU: 55555554 [ 5004.058446] Call Trace: [ 5004.058462] [ 5004.058481] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 5004.058519] ? 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) [ 5004.058552] ? notifier_call_chain (kernel/notifier.c:93) [ 5004.058586] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 5004.058620] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 5004.058654] ? 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) [ 5004.058688] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 5004.058724] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 5004.058751] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 5004.058807] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 5004.058842] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5004.058897] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5004.058931] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5004.058966] [ 5004.058986] [ 5004.059006] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5004.059044] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5004.059071] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 5004.059106] netdev_core_pick_tx (net/core/dev.c:4211) [ 5004.059138] __dev_queue_xmit (net/core/dev.c:4295) [ 5004.059165] ? eth_header (net/ethernet/eth.c:85) [ 5004.059192] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5004.059225] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5004.059258] mld_sendpack (net/ipv6/mcast.c:1822) [ 5004.059286] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5004.059313] process_one_work (kernel/workqueue.c:3254) [ 5004.059341] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5004.059374] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5004.059403] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5004.059437] kthread (kernel/kthread.c:388) [ 5004.059465] ? __pfx_kthread (kernel/kthread.c:341) [ 5004.059492] ret_from_fork (arch/x86/kernel/process.c:147) [ 5004.059523] ? __pfx_kthread (kernel/kthread.c:341) [ 5004.059551] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5047.354392] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 5000700 jiffies s: 77 root: 0x2/. | [ 5047.354524] rcu: blocking rcu_node structures (internal RCU debug): | [ 5047.354562] Sending NMI from CPU 2 to CPUs 1: | [ 5047.354600] NMI backtrace for cpu 1 [ 5047.354607] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5047.354609] Workqueue: mld mld_ifc_work [ 5047.354616] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5047.354619] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 5047.354621] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 5047.354623] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 5047.354624] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 5047.354624] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 5047.354625] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 5047.354626] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 5047.354629] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 5047.354630] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5047.354631] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 5047.354632] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5047.354632] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5047.354633] PKRU: 55555554 [ 5047.354634] Call Trace: [ 5047.354636] [ 5047.354637] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 5047.354641] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 5047.354644] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 5047.354648] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 5047.354651] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 5047.354652] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 5047.354655] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5047.354657] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5047.354658] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5047.354660] [ 5047.354660] [ 5047.354661] netdev_core_pick_tx (net/core/dev.c:4211) [ 5047.354665] __dev_queue_xmit (net/core/dev.c:4295) [ 5047.354667] ? eth_header (net/ethernet/eth.c:85) [ 5047.354670] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5047.354674] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5047.354677] mld_sendpack (net/ipv6/mcast.c:1822) [ 5047.354680] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5047.354682] process_one_work (kernel/workqueue.c:3254) [ 5047.354686] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5047.354688] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5047.354690] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5047.354691] kthread (kernel/kthread.c:388) [ 5047.354694] ? __pfx_kthread (kernel/kthread.c:341) [ 5047.354695] ret_from_fork (arch/x86/kernel/process.c:147) [ 5047.354698] ? __pfx_kthread (kernel/kthread.c:341) [ 5047.354699] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5047.354704] | [ 5067.060397] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 5067.060495] rcu: 1-....: (5064786 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1156493 | [ 5067.060558] rcu: (t=5061240 jiffies g=-219 q=807 ncpus=4) [ 5067.060636] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5067.060707] Workqueue: mld mld_ifc_work [ 5067.060742] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5067.060802] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 5067.060914] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 5067.060948] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 5067.060995] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 5067.061043] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 5067.061092] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 5067.061141] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 5067.061191] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 5067.061240] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5067.061281] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 5067.061330] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5067.061378] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5067.061429] PKRU: 55555554 [ 5067.061448] Call Trace: [ 5067.061470] [ 5067.061490] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 5067.061530] ? 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) [ 5067.061565] ? notifier_call_chain (kernel/notifier.c:93) [ 5067.061600] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 5067.061634] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 5067.061669] ? 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) [ 5067.061704] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 5067.061742] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 5067.061771] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 5067.061805] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 5067.061840] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5067.061875] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5067.061911] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5067.061945] [ 5067.061966] [ 5067.061986] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5067.062021] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5067.062047] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 5067.062086] netdev_core_pick_tx (net/core/dev.c:4211) [ 5067.062118] __dev_queue_xmit (net/core/dev.c:4295) [ 5067.062144] ? eth_header (net/ethernet/eth.c:85) [ 5067.062170] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5067.062198] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5067.062232] mld_sendpack (net/ipv6/mcast.c:1822) [ 5067.062260] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5067.062287] process_one_work (kernel/workqueue.c:3254) [ 5067.062314] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5067.062348] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5067.062376] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5067.062411] kthread (kernel/kthread.c:388) [ 5067.062438] ? __pfx_kthread (kernel/kthread.c:341) [ 5067.062466] ret_from_fork (arch/x86/kernel/process.c:147) [ 5067.062495] ? __pfx_kthread (kernel/kthread.c:341) [ 5067.062521] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5112.889393] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 5066236 jiffies s: 77 root: 0x2/. | [ 5112.889591] rcu: blocking rcu_node structures (internal RCU debug): | [ 5112.889629] Sending NMI from CPU 2 to CPUs 1: | [ 5112.889667] NMI backtrace for cpu 1 [ 5112.889674] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5112.889676] Workqueue: mld mld_ifc_work [ 5112.889682] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5112.889686] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 5112.889688] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 5112.889689] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 5112.889690] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 5112.889691] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 5112.889692] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 5112.889693] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 5112.889695] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 5112.889696] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5112.889697] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 5112.889698] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5112.889699] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5112.889699] PKRU: 55555554 [ 5112.889700] Call Trace: [ 5112.889701] [ 5112.889703] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 5112.889706] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 5112.889710] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 5112.889715] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 5112.889717] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 5112.889718] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 5112.889722] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5112.889723] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5112.889725] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5112.889727] [ 5112.889727] [ 5112.889727] netdev_core_pick_tx (net/core/dev.c:4211) [ 5112.889732] __dev_queue_xmit (net/core/dev.c:4295) [ 5112.889734] ? eth_header (net/ethernet/eth.c:85) [ 5112.889738] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5112.889742] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5112.889745] mld_sendpack (net/ipv6/mcast.c:1822) [ 5112.889748] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5112.889750] process_one_work (kernel/workqueue.c:3254) [ 5112.889754] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5112.889756] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5112.889758] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5112.889760] kthread (kernel/kthread.c:388) [ 5112.889762] ? __pfx_kthread (kernel/kthread.c:341) [ 5112.889763] ret_from_fork (arch/x86/kernel/process.c:147) [ 5112.889766] ? __pfx_kthread (kernel/kthread.c:341) [ 5112.889767] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5112.889772] | [ 5130.063397] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 5130.063557] rcu: 1-....: (5127788 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1170565 | [ 5130.063625] rcu: (t=5124243 jiffies g=-219 q=807 ncpus=4) [ 5130.063703] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5130.063774] Workqueue: mld mld_ifc_work [ 5130.063807] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5130.063844] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 5130.063949] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 5130.063984] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 5130.064032] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 5130.064081] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 5130.064131] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 5130.064179] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 5130.064229] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 5130.064280] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5130.064321] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 5130.064371] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5130.064420] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5130.064468] PKRU: 55555554 [ 5130.064487] Call Trace: [ 5130.064502] [ 5130.064522] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 5130.064561] ? 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) [ 5130.064594] ? notifier_call_chain (kernel/notifier.c:93) [ 5130.064628] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 5130.064663] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 5130.064697] ? 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) [ 5130.064732] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 5130.064767] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 5130.064795] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 5130.064829] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 5130.064865] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5130.064899] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5130.064933] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5130.064967] [ 5130.064987] [ 5130.065008] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5130.065043] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5130.065069] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 5130.065103] netdev_core_pick_tx (net/core/dev.c:4211) [ 5130.065131] __dev_queue_xmit (net/core/dev.c:4295) [ 5130.065158] ? eth_header (net/ethernet/eth.c:85) [ 5130.065186] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5130.065218] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5130.065252] mld_sendpack (net/ipv6/mcast.c:1822) [ 5130.065280] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5130.065307] process_one_work (kernel/workqueue.c:3254) [ 5130.065335] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5130.065368] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5130.065396] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5130.065430] kthread (kernel/kthread.c:388) [ 5130.065457] ? __pfx_kthread (kernel/kthread.c:341) [ 5130.065484] ret_from_fork (arch/x86/kernel/process.c:147) [ 5130.065514] ? __pfx_kthread (kernel/kthread.c:341) [ 5130.065543] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5178.426392] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 5131772 jiffies s: 77 root: 0x2/. | [ 5178.426575] rcu: blocking rcu_node structures (internal RCU debug): | [ 5178.426615] Sending NMI from CPU 2 to CPUs 1: | [ 5178.426653] NMI backtrace for cpu 1 [ 5178.426661] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5178.426662] Workqueue: mld mld_ifc_work [ 5178.426668] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 5178.426673] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 5178.426674] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 5178.426676] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 5178.426677] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 5178.426677] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 5178.426678] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 5178.426679] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 5178.426682] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 5178.426683] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5178.426684] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 5178.426685] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5178.426686] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5178.426686] PKRU: 55555554 [ 5178.426687] Call Trace: [ 5178.426689] [ 5178.426690] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 5178.426693] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 5178.426697] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 5178.426702] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 5178.426704] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 5178.426705] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 5178.426709] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 5178.426710] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 5178.426712] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 5178.426713] [ 5178.426714] [ 5178.426714] netdev_core_pick_tx (net/core/dev.c:4211) [ 5178.426719] __dev_queue_xmit (net/core/dev.c:4295) [ 5178.426721] ? eth_header (net/ethernet/eth.c:85) [ 5178.426725] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5178.426729] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5178.426731] mld_sendpack (net/ipv6/mcast.c:1822) [ 5178.426735] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5178.426737] process_one_work (kernel/workqueue.c:3254) [ 5178.426741] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5178.426743] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5178.426744] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5178.426746] kthread (kernel/kthread.c:388) [ 5178.426748] ? __pfx_kthread (kernel/kthread.c:341) [ 5178.426750] ret_from_fork (arch/x86/kernel/process.c:147) [ 5178.426753] ? __pfx_kthread (kernel/kthread.c:341) [ 5178.426754] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5178.426758] | [ 5193.066386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 5193.066554] rcu: 1-....: (5190790 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1184761 | [ 5193.066619] rcu: (t=5187246 jiffies g=-219 q=807 ncpus=4) [ 5193.066695] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5193.066766] Workqueue: mld mld_ifc_work [ 5193.066800] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5193.066835] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 5193.066941] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 5193.066975] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 5193.067021] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 5193.067069] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 5193.067118] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 5193.067166] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 5193.067216] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 5193.067265] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5193.067305] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 5193.067354] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5193.067402] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5193.067450] PKRU: 55555554 [ 5193.067470] Call Trace: [ 5193.067492] [ 5193.067512] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 5193.067553] ? 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) [ 5193.067587] ? notifier_call_chain (kernel/notifier.c:93) [ 5193.067622] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 5193.067656] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 5193.067690] ? 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) [ 5193.067725] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 5193.067764] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 5193.067791] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 5193.067827] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 5193.067862] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5193.067897] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5193.067931] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5193.067974] [ 5193.067994] [ 5193.068008] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5193.068044] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5193.068070] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 5193.068103] netdev_core_pick_tx (net/core/dev.c:4211) [ 5193.068133] __dev_queue_xmit (net/core/dev.c:4295) [ 5193.068159] ? eth_header (net/ethernet/eth.c:85) [ 5193.068186] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5193.068213] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5193.068247] mld_sendpack (net/ipv6/mcast.c:1822) [ 5193.068274] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5193.068302] process_one_work (kernel/workqueue.c:3254) [ 5193.068329] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5193.068364] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5193.068391] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5193.068425] kthread (kernel/kthread.c:388) [ 5193.068452] ? __pfx_kthread (kernel/kthread.c:341) [ 5193.068480] ret_from_fork (arch/x86/kernel/process.c:147) [ 5193.068507] ? __pfx_kthread (kernel/kthread.c:341) [ 5193.068534] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5243.961415] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 5197308 jiffies s: 77 root: 0x2/. | [ 5243.961616] rcu: blocking rcu_node structures (internal RCU debug): | [ 5243.961657] Sending NMI from CPU 2 to CPUs 1: | [ 5243.961703] NMI backtrace for cpu 1 [ 5243.961712] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5243.961715] Workqueue: mld mld_ifc_work [ 5243.961722] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5243.961727] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 5243.961729] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 5243.961731] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 5243.961732] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 5243.961732] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 5243.961733] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 5243.961734] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 5243.961737] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 5243.961738] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5243.961739] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 5243.961740] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5243.961740] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5243.961741] PKRU: 55555554 [ 5243.961741] Call Trace: [ 5243.961747] [ 5243.961754] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 5243.961757] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 5243.961761] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 5243.961765] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 5243.961767] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 5243.961768] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 5243.961772] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5243.961773] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5243.961775] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5243.961777] [ 5243.961777] [ 5243.961777] netdev_core_pick_tx (net/core/dev.c:4211) [ 5243.961782] __dev_queue_xmit (net/core/dev.c:4295) [ 5243.961784] ? eth_header (net/ethernet/eth.c:85) [ 5243.961787] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5243.961791] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5243.961794] mld_sendpack (net/ipv6/mcast.c:1822) [ 5243.961797] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5243.961800] process_one_work (kernel/workqueue.c:3254) [ 5243.961803] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5243.961805] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5243.961807] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5243.961808] kthread (kernel/kthread.c:388) [ 5243.961810] ? __pfx_kthread (kernel/kthread.c:341) [ 5243.961812] ret_from_fork (arch/x86/kernel/process.c:147) [ 5243.961815] ? __pfx_kthread (kernel/kthread.c:341) [ 5243.961816] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5243.961820] | [ 5256.069396] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 5256.069551] rcu: 1-....: (5253792 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1198865 | [ 5256.069618] rcu: (t=5250249 jiffies g=-219 q=807 ncpus=4) [ 5256.069693] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5256.069763] Workqueue: mld mld_ifc_work [ 5256.069796] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5256.069830] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 5256.069935] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 5256.069970] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 5256.070020] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 5256.070069] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 5256.070118] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 5256.070167] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 5256.070216] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 5256.070268] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5256.070309] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 5256.070359] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5256.070406] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5256.070455] PKRU: 55555554 [ 5256.070489] Call Trace: [ 5256.070509] [ 5256.070528] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 5256.070564] ? 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) [ 5256.070598] ? notifier_call_chain (kernel/notifier.c:93) [ 5256.070633] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 5256.070667] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 5256.070701] ? 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) [ 5256.070735] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 5256.070770] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 5256.070797] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 5256.070831] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 5256.070866] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5256.070900] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5256.070934] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5256.070968] [ 5256.070989] [ 5256.071009] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5256.071045] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5256.071072] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 5256.071106] netdev_core_pick_tx (net/core/dev.c:4211) [ 5256.071138] __dev_queue_xmit (net/core/dev.c:4295) [ 5256.071165] ? eth_header (net/ethernet/eth.c:85) [ 5256.071193] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5256.071220] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5256.071254] mld_sendpack (net/ipv6/mcast.c:1822) [ 5256.071281] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5256.071308] process_one_work (kernel/workqueue.c:3254) [ 5256.071335] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5256.071369] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5256.071397] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5256.071431] kthread (kernel/kthread.c:388) [ 5256.071458] ? __pfx_kthread (kernel/kthread.c:341) [ 5256.071485] ret_from_fork (arch/x86/kernel/process.c:147) [ 5256.071512] ? __pfx_kthread (kernel/kthread.c:341) [ 5256.071540] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5309.498393] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 5262845 jiffies s: 77 root: 0x2/. | [ 5309.498595] rcu: blocking rcu_node structures (internal RCU debug): | [ 5309.498636] Sending NMI from CPU 2 to CPUs 1: | [ 5309.498679] NMI backtrace for cpu 1 [ 5309.498692] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5309.498694] Workqueue: mld mld_ifc_work [ 5309.498700] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5309.498705] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 5309.498707] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 5309.498708] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 5309.498709] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 5309.498710] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 5309.498711] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 5309.498712] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 5309.498715] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 5309.498716] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5309.498717] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 5309.498718] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5309.498718] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5309.498719] PKRU: 55555554 [ 5309.498720] Call Trace: [ 5309.498722] [ 5309.498724] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 5309.498727] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 5309.498731] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 5309.498735] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 5309.498737] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 5309.498739] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 5309.498742] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5309.498744] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5309.498746] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5309.498747] [ 5309.498748] [ 5309.498748] netdev_core_pick_tx (net/core/dev.c:4211) [ 5309.498753] __dev_queue_xmit (net/core/dev.c:4295) [ 5309.498755] ? eth_header (net/ethernet/eth.c:85) [ 5309.498758] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5309.498762] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5309.498765] mld_sendpack (net/ipv6/mcast.c:1822) [ 5309.498768] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5309.498770] process_one_work (kernel/workqueue.c:3254) [ 5309.498774] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5309.498775] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5309.498777] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5309.498779] kthread (kernel/kthread.c:388) [ 5309.498781] ? __pfx_kthread (kernel/kthread.c:341) [ 5309.498783] ret_from_fork (arch/x86/kernel/process.c:147) [ 5309.498786] ? __pfx_kthread (kernel/kthread.c:341) [ 5309.498787] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5309.498792] | [ 5319.072396] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 5319.072551] rcu: 1-....: (5316794 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1212968 | [ 5319.072616] rcu: (t=5313252 jiffies g=-219 q=807 ncpus=4) [ 5319.072694] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5319.072765] Workqueue: mld mld_ifc_work [ 5319.072799] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5319.072837] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 5319.072942] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 5319.072976] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 5319.073023] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 5319.073070] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 5319.073119] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 5319.073169] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 5319.073221] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 5319.073270] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5319.073310] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 5319.073360] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5319.073407] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5319.073457] PKRU: 55555554 [ 5319.073477] Call Trace: [ 5319.073493] [ 5319.073513] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 5319.073554] ? 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) [ 5319.073588] ? notifier_call_chain (kernel/notifier.c:93) [ 5319.073623] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 5319.073657] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 5319.073692] ? 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) [ 5319.073727] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 5319.073763] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 5319.073790] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 5319.073825] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 5319.073860] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5319.073896] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5319.073930] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5319.073965] [ 5319.073984] [ 5319.074005] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5319.074039] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5319.074066] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 5319.074099] netdev_core_pick_tx (net/core/dev.c:4211) [ 5319.074130] __dev_queue_xmit (net/core/dev.c:4295) [ 5319.074155] ? eth_header (net/ethernet/eth.c:85) [ 5319.074183] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5319.074213] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5319.074247] mld_sendpack (net/ipv6/mcast.c:1822) [ 5319.074275] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5319.074302] process_one_work (kernel/workqueue.c:3254) [ 5319.074330] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5319.074376] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5319.074403] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5319.074437] kthread (kernel/kthread.c:388) [ 5319.074464] ? __pfx_kthread (kernel/kthread.c:341) [ 5319.074491] ret_from_fork (arch/x86/kernel/process.c:147) [ 5319.074522] ? __pfx_kthread (kernel/kthread.c:341) [ 5319.074549] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5375.034392] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 5328380 jiffies s: 77 root: 0x2/. | [ 5375.034569] rcu: blocking rcu_node structures (internal RCU debug): | [ 5375.034607] Sending NMI from CPU 2 to CPUs 1: | [ 5375.034645] NMI backtrace for cpu 1 [ 5375.034653] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5375.034654] Workqueue: mld mld_ifc_work [ 5375.034661] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5375.034665] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 5375.034667] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 5375.034668] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 5375.034669] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 5375.034670] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 5375.034671] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 5375.034672] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 5375.034674] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 5375.034675] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5375.034676] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 5375.034677] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5375.034678] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5375.034678] PKRU: 55555554 [ 5375.034679] Call Trace: [ 5375.034681] [ 5375.034683] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 5375.034686] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 5375.034690] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 5375.034694] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 5375.034697] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 5375.034698] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 5375.034701] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5375.034703] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5375.034705] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5375.034706] [ 5375.034706] [ 5375.034707] netdev_core_pick_tx (net/core/dev.c:4211) [ 5375.034711] __dev_queue_xmit (net/core/dev.c:4295) [ 5375.034713] ? eth_header (net/ethernet/eth.c:85) [ 5375.034717] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5375.034721] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5375.034723] mld_sendpack (net/ipv6/mcast.c:1822) [ 5375.034727] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5375.034729] process_one_work (kernel/workqueue.c:3254) [ 5375.034733] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5375.034734] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5375.034736] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5375.034738] kthread (kernel/kthread.c:388) [ 5375.034740] ? __pfx_kthread (kernel/kthread.c:341) [ 5375.034741] ret_from_fork (arch/x86/kernel/process.c:147) [ 5375.034745] ? __pfx_kthread (kernel/kthread.c:341) [ 5375.034746] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5375.034750] | [ 5382.075412] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 5382.075564] rcu: 1-....: (5379796 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1227079 | [ 5382.075629] rcu: (t=5376255 jiffies g=-219 q=807 ncpus=4) [ 5382.075705] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5382.075774] Workqueue: mld mld_ifc_work [ 5382.075807] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5382.075842] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 5382.075949] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 5382.075991] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 5382.076039] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 5382.076088] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 5382.076137] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 5382.076185] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 5382.076235] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 5382.076283] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5382.076324] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 5382.076374] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5382.076422] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5382.076470] PKRU: 55555554 [ 5382.076490] Call Trace: [ 5382.076510] [ 5382.076530] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 5382.076568] ? 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) [ 5382.076601] ? notifier_call_chain (kernel/notifier.c:93) [ 5382.076635] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 5382.076669] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 5382.076704] ? 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) [ 5382.076740] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 5382.076774] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 5382.076802] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 5382.076836] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 5382.076871] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5382.076905] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5382.076939] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5382.076974] [ 5382.076994] [ 5382.077014] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5382.077049] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5382.077081] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 5382.077126] netdev_core_pick_tx (net/core/dev.c:4211) [ 5382.077157] __dev_queue_xmit (net/core/dev.c:4295) [ 5382.077184] ? eth_header (net/ethernet/eth.c:85) [ 5382.077211] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5382.077239] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5382.077273] mld_sendpack (net/ipv6/mcast.c:1822) [ 5382.077302] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5382.077329] process_one_work (kernel/workqueue.c:3254) [ 5382.077357] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5382.077391] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5382.077418] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5382.077453] kthread (kernel/kthread.c:388) [ 5382.077481] ? __pfx_kthread (kernel/kthread.c:341) [ 5382.077508] ret_from_fork (arch/x86/kernel/process.c:147) [ 5382.077536] ? __pfx_kthread (kernel/kthread.c:341) [ 5382.077563] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5440.570400] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 5393916 jiffies s: 77 root: 0x2/. | [ 5440.570588] rcu: blocking rcu_node structures (internal RCU debug): | [ 5440.570625] Sending NMI from CPU 2 to CPUs 1: | [ 5440.570664] NMI backtrace for cpu 1 [ 5440.570678] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5440.570681] Workqueue: mld mld_ifc_work [ 5440.570692] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5440.570697] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 5440.570698] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 5440.570700] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 5440.570701] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 5440.570702] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 5440.570703] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 5440.570704] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 5440.570706] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 5440.570707] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5440.570708] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 5440.570709] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5440.570710] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5440.570710] PKRU: 55555554 [ 5440.570711] Call Trace: [ 5440.570715] [ 5440.570720] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 5440.570725] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 5440.570729] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 5440.570733] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 5440.570736] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 5440.570737] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 5440.570740] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5440.570742] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5440.570743] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5440.570745] [ 5440.570745] [ 5440.570746] netdev_core_pick_tx (net/core/dev.c:4211) [ 5440.570751] __dev_queue_xmit (net/core/dev.c:4295) [ 5440.570753] ? eth_header (net/ethernet/eth.c:85) [ 5440.570757] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5440.570761] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5440.570764] mld_sendpack (net/ipv6/mcast.c:1822) [ 5440.570767] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5440.570769] process_one_work (kernel/workqueue.c:3254) [ 5440.570773] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5440.570775] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5440.570777] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5440.570779] kthread (kernel/kthread.c:388) [ 5440.570781] ? __pfx_kthread (kernel/kthread.c:341) [ 5440.570783] ret_from_fork (arch/x86/kernel/process.c:147) [ 5440.570786] ? __pfx_kthread (kernel/kthread.c:341) [ 5440.570787] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5440.570792] | [ 5445.078386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 5445.078534] rcu: 1-....: (5442798 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1241244 | [ 5445.078601] rcu: (t=5439258 jiffies g=-219 q=807 ncpus=4) [ 5445.078676] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5445.078747] Workqueue: mld mld_ifc_work [ 5445.078774] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5445.078809] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 5445.078913] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 5445.078946] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 5445.078993] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 5445.079041] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 5445.079090] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 5445.079140] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 5445.079189] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 5445.079243] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5445.079283] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 5445.079333] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5445.079397] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5445.079446] PKRU: 55555554 [ 5445.079467] Call Trace: [ 5445.079481] [ 5445.079502] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 5445.079540] ? 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) [ 5445.079576] ? notifier_call_chain (kernel/notifier.c:93) [ 5445.079610] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 5445.079647] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 5445.079682] ? 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) [ 5445.079717] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 5445.079756] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 5445.079783] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 5445.079818] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 5445.079852] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5445.079887] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5445.079921] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5445.079959] [ 5445.079978] [ 5445.079998] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5445.080032] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5445.080058] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 5445.080091] netdev_core_pick_tx (net/core/dev.c:4211) [ 5445.080118] __dev_queue_xmit (net/core/dev.c:4295) [ 5445.080144] ? eth_header (net/ethernet/eth.c:85) [ 5445.080171] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5445.080199] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5445.080233] mld_sendpack (net/ipv6/mcast.c:1822) [ 5445.080261] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5445.080287] process_one_work (kernel/workqueue.c:3254) [ 5445.080315] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5445.080371] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5445.080399] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5445.080434] kthread (kernel/kthread.c:388) [ 5445.080461] ? __pfx_kthread (kernel/kthread.c:341) [ 5445.080488] ret_from_fork (arch/x86/kernel/process.c:147) [ 5445.080515] ? __pfx_kthread (kernel/kthread.c:341) [ 5445.080542] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5506.106392] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 5459453 jiffies s: 77 root: 0x2/. | [ 5506.106605] rcu: blocking rcu_node structures (internal RCU debug): | [ 5506.106642] Sending NMI from CPU 2 to CPUs 1: | [ 5506.106680] NMI backtrace for cpu 1 [ 5506.106688] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5506.106690] Workqueue: mld mld_ifc_work [ 5506.106696] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5506.106701] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 5506.106703] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 5506.106704] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 5506.106705] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 5506.106706] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 5506.106707] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 5506.106707] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 5506.106710] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 5506.106711] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5506.106712] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 5506.106713] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5506.106714] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5506.106714] PKRU: 55555554 [ 5506.106715] Call Trace: [ 5506.106717] [ 5506.106719] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 5506.106723] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 5506.106727] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 5506.106731] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 5506.106733] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 5506.106734] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 5506.106738] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5506.106739] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5506.106741] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5506.106743] [ 5506.106743] [ 5506.106744] netdev_core_pick_tx (net/core/dev.c:4211) [ 5506.106748] __dev_queue_xmit (net/core/dev.c:4295) [ 5506.106750] ? eth_header (net/ethernet/eth.c:85) [ 5506.106754] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5506.106757] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5506.106760] mld_sendpack (net/ipv6/mcast.c:1822) [ 5506.106763] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5506.106766] process_one_work (kernel/workqueue.c:3254) [ 5506.106769] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5506.106771] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5506.106773] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5506.106775] kthread (kernel/kthread.c:388) [ 5506.106777] ? __pfx_kthread (kernel/kthread.c:341) [ 5506.106778] ret_from_fork (arch/x86/kernel/process.c:147) [ 5506.106781] ? __pfx_kthread (kernel/kthread.c:341) [ 5506.106782] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5506.106787] | [ 5508.081386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 5508.081518] rcu: 1-....: (5505800 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1255398 | [ 5508.081586] rcu: (t=5502261 jiffies g=-219 q=807 ncpus=4) [ 5508.081661] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5508.081732] Workqueue: mld mld_ifc_work [ 5508.081759] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5508.081793] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 5508.081899] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 5508.081933] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 5508.081982] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 5508.082031] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 5508.082079] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 5508.082128] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 5508.082178] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 5508.082226] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5508.082282] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 5508.082336] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5508.082383] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5508.082427] PKRU: 55555554 [ 5508.082441] Call Trace: [ 5508.082455] [ 5508.082475] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 5508.082513] ? 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) [ 5508.082548] ? notifier_call_chain (kernel/notifier.c:93) [ 5508.082582] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 5508.082617] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 5508.082651] ? 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) [ 5508.082686] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 5508.082720] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 5508.082747] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 5508.082782] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 5508.082817] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5508.082852] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5508.082887] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5508.082921] [ 5508.082941] [ 5508.082961] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5508.082998] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5508.083025] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 5508.083059] netdev_core_pick_tx (net/core/dev.c:4211) [ 5508.083086] __dev_queue_xmit (net/core/dev.c:4295) [ 5508.083114] ? eth_header (net/ethernet/eth.c:85) [ 5508.083141] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5508.083169] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5508.083203] mld_sendpack (net/ipv6/mcast.c:1822) [ 5508.083231] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5508.083258] process_one_work (kernel/workqueue.c:3254) [ 5508.083285] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5508.083320] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5508.083348] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5508.083382] kthread (kernel/kthread.c:388) [ 5508.083411] ? __pfx_kthread (kernel/kthread.c:341) [ 5508.083438] ret_from_fork (arch/x86/kernel/process.c:147) [ 5508.083466] ? __pfx_kthread (kernel/kthread.c:341) [ 5508.083492] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5508.083521] | [ 5571.084387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 5571.084570] rcu: 1-....: (5568802 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1269513 | [ 5571.084635] rcu: (t=5565264 jiffies g=-219 q=807 ncpus=4) [ 5571.084716] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5571.084794] Workqueue: mld mld_ifc_work [ 5571.084830] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5571.084869] 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) ... [ 5571.084975] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 5571.085009] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 5571.085058] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 5571.085107] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 5571.085156] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 5571.085205] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 5571.085254] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 5571.085303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5571.085343] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 5571.085393] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5571.085441] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5571.085490] PKRU: 55555554 [ 5571.085510] Call Trace: [ 5571.085532] [ 5571.085551] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 5571.085589] ? 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) [ 5571.085623] ? notifier_call_chain (kernel/notifier.c:93) [ 5571.085657] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 5571.085693] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 5571.085727] ? 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) [ 5571.085760] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 5571.085795] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 5571.085822] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 5571.085857] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 5571.085891] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5571.085926] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5571.085960] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5571.085994] [ 5571.086014] [ 5571.086034] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5571.086069] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5571.086096] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 5571.086130] netdev_core_pick_tx (net/core/dev.c:4211) [ 5571.086162] __dev_queue_xmit (net/core/dev.c:4295) [ 5571.086199] ? eth_header (net/ethernet/eth.c:85) [ 5571.086249] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5571.086285] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5571.086322] mld_sendpack (net/ipv6/mcast.c:1822) [ 5571.086350] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5571.086380] process_one_work (kernel/workqueue.c:3254) [ 5571.086413] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5571.086446] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5571.086474] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5571.086508] kthread (kernel/kthread.c:388) [ 5571.086536] ? __pfx_kthread (kernel/kthread.c:341) [ 5571.086563] ret_from_fork (arch/x86/kernel/process.c:147) [ 5571.086591] ? __pfx_kthread (kernel/kthread.c:341) [ 5571.086618] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5571.641402] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 5524988 jiffies s: 77 root: 0x2/. | [ 5571.641585] rcu: blocking rcu_node structures (internal RCU debug): | [ 5571.641624] Sending NMI from CPU 2 to CPUs 1: | [ 5571.641661] NMI backtrace for cpu 1 [ 5571.641665] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5571.641666] Workqueue: mld mld_ifc_work [ 5571.641668] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5571.641670] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 5571.641671] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 5571.641672] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 5571.641673] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 5571.641673] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 5571.641674] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 5571.641675] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 5571.641677] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 5571.641678] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5571.641678] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 5571.641679] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5571.641680] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5571.641680] PKRU: 55555554 [ 5571.641681] Call Trace: [ 5571.641681] [ 5571.641682] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 5571.641684] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 5571.641687] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 5571.641691] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 5571.641692] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 5571.641693] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 5571.641696] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5571.641698] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5571.641699] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5571.641701] [ 5571.641701] [ 5571.641701] netdev_core_pick_tx (net/core/dev.c:4211) [ 5571.641703] __dev_queue_xmit (net/core/dev.c:4295) [ 5571.641705] ? eth_header (net/ethernet/eth.c:85) [ 5571.641707] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5571.641710] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5571.641712] mld_sendpack (net/ipv6/mcast.c:1822) [ 5571.641714] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5571.641716] process_one_work (kernel/workqueue.c:3254) [ 5571.641718] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5571.641720] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5571.641721] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5571.641723] kthread (kernel/kthread.c:388) [ 5571.641724] ? __pfx_kthread (kernel/kthread.c:341) [ 5571.641726] ret_from_fork (arch/x86/kernel/process.c:147) [ 5571.641727] ? __pfx_kthread (kernel/kthread.c:341) [ 5571.641729] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5571.641731] | [ 5634.087387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 5634.087545] rcu: 1-....: (5631804 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1283638 | [ 5634.087612] rcu: (t=5628267 jiffies g=-219 q=807 ncpus=4) [ 5634.087695] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5634.087767] Workqueue: mld mld_ifc_work [ 5634.087804] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5634.087843] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 5634.087947] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 5634.087982] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 5634.088031] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 5634.088078] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 5634.088124] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 5634.088172] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 5634.088222] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 5634.088273] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5634.088314] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 5634.088364] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5634.088412] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5634.088461] PKRU: 55555554 [ 5634.088481] Call Trace: [ 5634.088502] [ 5634.088523] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 5634.088562] ? 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) [ 5634.088596] ? notifier_call_chain (kernel/notifier.c:93) [ 5634.088630] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 5634.088664] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 5634.088704] ? 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) [ 5634.088738] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 5634.088788] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 5634.088823] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 5634.088858] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 5634.088892] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5634.088927] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5634.088961] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5634.088996] [ 5634.089016] [ 5634.089036] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5634.089070] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5634.089098] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 5634.089133] netdev_core_pick_tx (net/core/dev.c:4211) [ 5634.089163] __dev_queue_xmit (net/core/dev.c:4295) [ 5634.089189] ? eth_header (net/ethernet/eth.c:85) [ 5634.089216] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5634.089247] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5634.089280] mld_sendpack (net/ipv6/mcast.c:1822) [ 5634.089307] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5634.089334] process_one_work (kernel/workqueue.c:3254) [ 5634.089361] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5634.089396] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5634.089423] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5634.089457] kthread (kernel/kthread.c:388) [ 5634.089485] ? __pfx_kthread (kernel/kthread.c:341) [ 5634.089513] ret_from_fork (arch/x86/kernel/process.c:147) [ 5634.089540] ? __pfx_kthread (kernel/kthread.c:341) [ 5634.089567] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5637.178391] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 5590524 jiffies s: 77 root: 0x2/. | [ 5637.178553] rcu: blocking rcu_node structures (internal RCU debug): | [ 5637.178591] Sending NMI from CPU 2 to CPUs 1: | [ 5637.178627] NMI backtrace for cpu 1 [ 5637.178632] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5637.178633] Workqueue: mld mld_ifc_work [ 5637.178635] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 5637.178637] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 5637.178638] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 5637.178638] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 5637.178639] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 5637.178640] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 5637.178640] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 5637.178641] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 5637.178643] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 5637.178644] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5637.178645] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 5637.178645] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5637.178646] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5637.178647] PKRU: 55555554 [ 5637.178647] Call Trace: [ 5637.178648] [ 5637.178648] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 5637.178650] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 5637.178654] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 5637.178657] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 5637.178659] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 5637.178660] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 5637.178662] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 5637.178664] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 5637.178665] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 5637.178667] [ 5637.178667] [ 5637.178667] netdev_core_pick_tx (net/core/dev.c:4211) [ 5637.178670] __dev_queue_xmit (net/core/dev.c:4295) [ 5637.178672] ? eth_header (net/ethernet/eth.c:85) [ 5637.178674] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5637.178676] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5637.178678] mld_sendpack (net/ipv6/mcast.c:1822) [ 5637.178681] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5637.178683] process_one_work (kernel/workqueue.c:3254) [ 5637.178684] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5637.178686] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5637.178688] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5637.178689] kthread (kernel/kthread.c:388) [ 5637.178690] ? __pfx_kthread (kernel/kthread.c:341) [ 5637.178692] ret_from_fork (arch/x86/kernel/process.c:147) [ 5637.178694] ? __pfx_kthread (kernel/kthread.c:341) [ 5637.178695] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5637.178697] | [ 5697.090413] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 5697.090577] rcu: 1-....: (5694806 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1297705 | [ 5697.090645] rcu: (t=5691270 jiffies g=-219 q=807 ncpus=4) [ 5697.090726] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5697.090796] Workqueue: mld mld_ifc_work [ 5697.090831] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5697.090870] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 5697.090976] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 5697.091010] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 5697.091059] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 5697.091108] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 5697.091157] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 5697.091206] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 5697.091257] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 5697.091310] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5697.091350] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 5697.091400] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5697.091448] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5697.091498] PKRU: 55555554 [ 5697.091518] Call Trace: [ 5697.091539] [ 5697.091559] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 5697.091600] ? 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) [ 5697.091633] ? notifier_call_chain (kernel/notifier.c:93) [ 5697.091667] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 5697.091701] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 5697.091734] ? 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) [ 5697.091769] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 5697.091807] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 5697.091834] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 5697.091868] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 5697.091904] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5697.091938] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5697.091975] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5697.092009] [ 5697.092029] [ 5697.092049] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5697.092085] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5697.092111] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 5697.092146] netdev_core_pick_tx (net/core/dev.c:4211) [ 5697.092178] __dev_queue_xmit (net/core/dev.c:4295) [ 5697.092204] ? eth_header (net/ethernet/eth.c:85) [ 5697.092232] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5697.092260] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5697.092294] mld_sendpack (net/ipv6/mcast.c:1822) [ 5697.092321] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5697.092347] process_one_work (kernel/workqueue.c:3254) [ 5697.092382] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5697.092416] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5697.092444] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5697.092478] kthread (kernel/kthread.c:388) [ 5697.092506] ? __pfx_kthread (kernel/kthread.c:341) [ 5697.092532] ret_from_fork (arch/x86/kernel/process.c:147) [ 5697.092559] ? __pfx_kthread (kernel/kthread.c:341) [ 5697.092587] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5702.714392] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 5656060 jiffies s: 77 root: 0x2/. | [ 5702.714571] rcu: blocking rcu_node structures (internal RCU debug): | [ 5702.714610] Sending NMI from CPU 2 to CPUs 1: | [ 5702.714648] NMI backtrace for cpu 1 [ 5702.714652] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5702.714653] Workqueue: mld mld_ifc_work [ 5702.714656] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5702.714657] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 5702.714659] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 5702.714660] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 5702.714661] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 5702.714661] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 5702.714662] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 5702.714663] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 5702.714665] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 5702.714666] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5702.714667] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 5702.714668] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5702.714668] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5702.714669] PKRU: 55555554 [ 5702.714670] Call Trace: [ 5702.714670] [ 5702.714672] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 5702.714674] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 5702.714678] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 5702.714681] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 5702.714683] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 5702.714684] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 5702.714686] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5702.714688] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5702.714689] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5702.714691] [ 5702.714691] [ 5702.714692] netdev_core_pick_tx (net/core/dev.c:4211) [ 5702.714694] __dev_queue_xmit (net/core/dev.c:4295) [ 5702.714696] ? eth_header (net/ethernet/eth.c:85) [ 5702.714699] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5702.714701] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5702.714703] mld_sendpack (net/ipv6/mcast.c:1822) [ 5702.714705] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5702.714707] process_one_work (kernel/workqueue.c:3254) [ 5702.714709] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5702.714711] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5702.714713] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5702.714714] kthread (kernel/kthread.c:388) [ 5702.714716] ? __pfx_kthread (kernel/kthread.c:341) [ 5702.714717] ret_from_fork (arch/x86/kernel/process.c:147) [ 5702.714719] ? __pfx_kthread (kernel/kthread.c:341) [ 5702.714720] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5702.714723] | [ 5760.093405] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 5760.093567] rcu: 1-....: (5757808 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1311751 | [ 5760.093639] rcu: (t=5754273 jiffies g=-219 q=807 ncpus=4) [ 5760.093726] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5760.093798] Workqueue: mld mld_ifc_work [ 5760.093832] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 5760.093872] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 5760.093981] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 5760.094015] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 5760.094063] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 5760.094109] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 5760.094156] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 5760.094204] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 5760.094254] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 5760.094304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5760.094344] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 5760.094394] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5760.094441] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5760.094490] PKRU: 55555554 [ 5760.094511] Call Trace: [ 5760.094535] [ 5760.094562] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 5760.094602] ? 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) [ 5760.094635] ? notifier_call_chain (kernel/notifier.c:93) [ 5760.094671] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 5760.094710] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 5760.094744] ? 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) [ 5760.094779] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 5760.094817] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 5760.094844] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 5760.094878] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 5760.094913] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5760.094947] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5760.094981] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5760.095015] [ 5760.095036] [ 5760.095056] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5760.095092] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 5760.095119] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 5760.095153] netdev_core_pick_tx (net/core/dev.c:4211) [ 5760.095180] __dev_queue_xmit (net/core/dev.c:4295) [ 5760.095207] ? eth_header (net/ethernet/eth.c:85) [ 5760.095239] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5760.095269] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5760.095332] mld_sendpack (net/ipv6/mcast.c:1822) [ 5760.095359] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5760.095386] process_one_work (kernel/workqueue.c:3254) [ 5760.095413] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5760.095447] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5760.095475] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5760.095509] kthread (kernel/kthread.c:388) [ 5760.095537] ? __pfx_kthread (kernel/kthread.c:341) [ 5760.095564] ret_from_fork (arch/x86/kernel/process.c:147) [ 5760.095591] ? __pfx_kthread (kernel/kthread.c:341) [ 5760.095617] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5768.250397] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 5721597 jiffies s: 77 root: 0x2/. | [ 5768.250574] rcu: blocking rcu_node structures (internal RCU debug): | [ 5768.250614] Sending NMI from CPU 2 to CPUs 1: | [ 5768.250657] NMI backtrace for cpu 1 [ 5768.250663] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5768.250664] Workqueue: mld mld_ifc_work [ 5768.250668] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5768.250670] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 5768.250672] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 5768.250673] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 5768.250674] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 5768.250675] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 5768.250676] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 5768.250676] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 5768.250679] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 5768.250680] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5768.250681] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 5768.250682] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5768.250683] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5768.250684] PKRU: 55555554 [ 5768.250684] Call Trace: [ 5768.250685] [ 5768.250702] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 5768.250705] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 5768.250709] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 5768.250713] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 5768.250715] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 5768.250716] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 5768.250720] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5768.250721] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5768.250723] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5768.250724] [ 5768.250725] [ 5768.250725] netdev_core_pick_tx (net/core/dev.c:4211) [ 5768.250729] __dev_queue_xmit (net/core/dev.c:4295) [ 5768.250731] ? eth_header (net/ethernet/eth.c:85) [ 5768.250734] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5768.250737] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5768.250739] mld_sendpack (net/ipv6/mcast.c:1822) [ 5768.250742] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5768.250745] process_one_work (kernel/workqueue.c:3254) [ 5768.250747] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5768.250749] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5768.250751] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5768.250753] kthread (kernel/kthread.c:388) [ 5768.250755] ? __pfx_kthread (kernel/kthread.c:341) [ 5768.250756] ret_from_fork (arch/x86/kernel/process.c:147) [ 5768.250758] ? __pfx_kthread (kernel/kthread.c:341) [ 5768.250759] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5768.250763] | [ 5823.096397] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 5823.096563] rcu: 1-....: (5820810 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1325902 | [ 5823.096633] rcu: (t=5817276 jiffies g=-219 q=807 ncpus=4) [ 5823.096715] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5823.096787] Workqueue: mld mld_ifc_work [ 5823.096823] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5823.096861] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 5823.096967] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 5823.097002] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 5823.097050] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 5823.097100] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 5823.097149] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 5823.097197] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 5823.097247] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 5823.097298] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5823.097338] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 5823.097390] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5823.097438] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5823.097487] PKRU: 55555554 [ 5823.097506] Call Trace: [ 5823.097523] [ 5823.097543] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 5823.097580] ? 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) [ 5823.097615] ? notifier_call_chain (kernel/notifier.c:93) [ 5823.097648] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 5823.097682] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 5823.097716] ? 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) [ 5823.097750] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 5823.097785] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 5823.097813] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 5823.097848] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 5823.097882] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5823.097916] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5823.097950] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5823.097984] [ 5823.097998] [ 5823.098019] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5823.098053] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5823.098080] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 5823.098115] netdev_core_pick_tx (net/core/dev.c:4211) [ 5823.098147] __dev_queue_xmit (net/core/dev.c:4295) [ 5823.098173] ? eth_header (net/ethernet/eth.c:85) [ 5823.098200] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5823.098233] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5823.098266] mld_sendpack (net/ipv6/mcast.c:1822) [ 5823.098297] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5823.098324] process_one_work (kernel/workqueue.c:3254) [ 5823.098356] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5823.098390] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5823.098418] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5823.098452] kthread (kernel/kthread.c:388) [ 5823.098480] ? __pfx_kthread (kernel/kthread.c:341) [ 5823.098507] ret_from_fork (arch/x86/kernel/process.c:147) [ 5823.098535] ? __pfx_kthread (kernel/kthread.c:341) [ 5823.098562] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5833.786392] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 5787132 jiffies s: 77 root: 0x2/. | [ 5833.786567] rcu: blocking rcu_node structures (internal RCU debug): | [ 5833.786610] Sending NMI from CPU 2 to CPUs 1: | [ 5833.786649] NMI backtrace for cpu 1 [ 5833.786654] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5833.786655] Workqueue: mld mld_ifc_work [ 5833.786658] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5833.786660] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 5833.786661] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 5833.786662] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 5833.786663] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 5833.786663] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 5833.786664] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 5833.786665] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 5833.786667] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 5833.786668] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5833.786669] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 5833.786670] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5833.786670] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5833.786671] PKRU: 55555554 [ 5833.786672] Call Trace: [ 5833.786672] [ 5833.786673] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 5833.786676] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 5833.786680] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 5833.786683] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 5833.786685] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 5833.786686] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 5833.786689] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5833.786690] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5833.786692] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5833.786693] [ 5833.786694] [ 5833.786694] netdev_core_pick_tx (net/core/dev.c:4211) [ 5833.786697] __dev_queue_xmit (net/core/dev.c:4295) [ 5833.786699] ? eth_header (net/ethernet/eth.c:85) [ 5833.786702] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5833.786704] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5833.786707] mld_sendpack (net/ipv6/mcast.c:1822) [ 5833.786709] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5833.786711] process_one_work (kernel/workqueue.c:3254) [ 5833.786713] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5833.786715] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5833.786717] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5833.786719] kthread (kernel/kthread.c:388) [ 5833.786720] ? __pfx_kthread (kernel/kthread.c:341) [ 5833.786721] ret_from_fork (arch/x86/kernel/process.c:147) [ 5833.786724] ? __pfx_kthread (kernel/kthread.c:341) [ 5833.786725] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5833.786727] | [ 5886.099387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 5886.099591] rcu: 1-....: (5883812 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1340037 | [ 5886.099678] rcu: (t=5880279 jiffies g=-219 q=807 ncpus=4) [ 5886.099758] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5886.099829] Workqueue: mld mld_ifc_work [ 5886.099863] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5886.099904] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 5886.100010] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 5886.100044] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 5886.100092] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 5886.100138] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 5886.100186] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 5886.100234] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 5886.100284] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 5886.100336] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5886.100376] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 5886.100426] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5886.100475] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5886.100523] PKRU: 55555554 [ 5886.100543] Call Trace: [ 5886.100565] [ 5886.100586] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 5886.100625] ? 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) [ 5886.100661] ? notifier_call_chain (kernel/notifier.c:93) [ 5886.100695] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 5886.100730] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 5886.100764] ? 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) [ 5886.100798] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 5886.100833] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 5886.100860] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 5886.100894] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 5886.100928] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5886.100963] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5886.100997] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5886.101031] [ 5886.101051] [ 5886.101067] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5886.101102] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5886.101129] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 5886.101163] netdev_core_pick_tx (net/core/dev.c:4211) [ 5886.101190] __dev_queue_xmit (net/core/dev.c:4295) [ 5886.101215] ? eth_header (net/ethernet/eth.c:85) [ 5886.101245] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5886.101275] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5886.101312] mld_sendpack (net/ipv6/mcast.c:1822) [ 5886.101341] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5886.101367] process_one_work (kernel/workqueue.c:3254) [ 5886.101396] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5886.101430] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5886.101458] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5886.101492] kthread (kernel/kthread.c:388) [ 5886.101520] ? __pfx_kthread (kernel/kthread.c:341) [ 5886.101548] ret_from_fork (arch/x86/kernel/process.c:147) [ 5886.101575] ? __pfx_kthread (kernel/kthread.c:341) [ 5886.101602] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5899.322394] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 5852669 jiffies s: 77 root: 0x2/. | [ 5899.322586] rcu: blocking rcu_node structures (internal RCU debug): | [ 5899.322624] Sending NMI from CPU 2 to CPUs 1: | [ 5899.322662] NMI backtrace for cpu 1 [ 5899.322673] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5899.322676] Workqueue: mld mld_ifc_work [ 5899.322685] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5899.322688] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 5899.322690] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 5899.322691] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 5899.322692] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 5899.322693] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 5899.322694] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 5899.322695] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 5899.322697] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 5899.322698] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5899.322698] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 5899.322699] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5899.322700] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5899.322701] PKRU: 55555554 [ 5899.322701] Call Trace: [ 5899.322705] [ 5899.322710] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 5899.322714] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 5899.322718] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 5899.322722] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 5899.322724] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 5899.322725] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 5899.322728] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5899.322730] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5899.322732] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5899.322733] [ 5899.322734] [ 5899.322734] netdev_core_pick_tx (net/core/dev.c:4211) [ 5899.322739] __dev_queue_xmit (net/core/dev.c:4295) [ 5899.322741] ? eth_header (net/ethernet/eth.c:85) [ 5899.322744] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5899.322747] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5899.322749] mld_sendpack (net/ipv6/mcast.c:1822) [ 5899.322752] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5899.322754] process_one_work (kernel/workqueue.c:3254) [ 5899.322757] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5899.322759] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5899.322761] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5899.322762] kthread (kernel/kthread.c:388) [ 5899.322764] ? __pfx_kthread (kernel/kthread.c:341) [ 5899.322765] ret_from_fork (arch/x86/kernel/process.c:147) [ 5899.322769] ? __pfx_kthread (kernel/kthread.c:341) [ 5899.322770] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5899.322773] | [ 5949.102387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 5949.102546] rcu: 1-....: (5946814 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1354185 | [ 5949.102612] rcu: (t=5943282 jiffies g=-219 q=807 ncpus=4) [ 5949.102694] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5949.102766] Workqueue: mld mld_ifc_work [ 5949.102801] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 5949.102840] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 5949.102945] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 5949.102980] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 5949.103028] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 5949.103077] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 5949.103126] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 5949.103175] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 5949.103225] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 5949.103275] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5949.103317] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 5949.103367] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5949.103414] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5949.103463] PKRU: 55555554 [ 5949.103483] Call Trace: [ 5949.103504] [ 5949.103523] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 5949.103561] ? 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) [ 5949.103594] ? notifier_call_chain (kernel/notifier.c:93) [ 5949.103627] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 5949.103660] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 5949.103695] ? 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) [ 5949.103729] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 5949.103764] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 5949.103791] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 5949.103825] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 5949.103860] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5949.103895] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5949.103929] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5949.103964] [ 5949.103985] [ 5949.103999] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5949.104033] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 5949.104061] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 5949.104095] netdev_core_pick_tx (net/core/dev.c:4211) [ 5949.104123] __dev_queue_xmit (net/core/dev.c:4295) [ 5949.104150] ? eth_header (net/ethernet/eth.c:85) [ 5949.104177] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5949.104205] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5949.104239] mld_sendpack (net/ipv6/mcast.c:1822) [ 5949.104267] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5949.104295] process_one_work (kernel/workqueue.c:3254) [ 5949.104322] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5949.104356] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5949.104383] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5949.104424] kthread (kernel/kthread.c:388) [ 5949.104462] ? __pfx_kthread (kernel/kthread.c:341) [ 5949.104489] ret_from_fork (arch/x86/kernel/process.c:147) [ 5949.104517] ? __pfx_kthread (kernel/kthread.c:341) [ 5949.104544] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5964.858391] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 5918204 jiffies s: 77 root: 0x2/. | [ 5964.858516] rcu: blocking rcu_node structures (internal RCU debug): | [ 5964.858553] Sending NMI from CPU 2 to CPUs 1: | [ 5964.858590] NMI backtrace for cpu 1 [ 5964.858596] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5964.858598] Workqueue: mld mld_ifc_work [ 5964.858602] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5964.858604] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 5964.858606] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 5964.858607] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 5964.858608] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 5964.858609] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 5964.858609] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 5964.858610] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 5964.858612] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 5964.858613] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5964.858614] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 5964.858615] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5964.858615] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5964.858616] PKRU: 55555554 [ 5964.858617] Call Trace: [ 5964.858618] [ 5964.858619] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 5964.858621] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 5964.858625] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 5964.858629] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 5964.858631] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 5964.858632] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 5964.858634] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5964.858636] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5964.858638] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5964.858639] [ 5964.858639] [ 5964.858640] netdev_core_pick_tx (net/core/dev.c:4211) [ 5964.858644] __dev_queue_xmit (net/core/dev.c:4295) [ 5964.858646] ? eth_header (net/ethernet/eth.c:85) [ 5964.858648] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5964.858652] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5964.858654] mld_sendpack (net/ipv6/mcast.c:1822) [ 5964.858657] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5964.858659] process_one_work (kernel/workqueue.c:3254) [ 5964.858661] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5964.858663] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5964.858665] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5964.858667] kthread (kernel/kthread.c:388) [ 5964.858668] ? __pfx_kthread (kernel/kthread.c:341) [ 5964.858670] ret_from_fork (arch/x86/kernel/process.c:147) [ 5964.858672] ? __pfx_kthread (kernel/kthread.c:341) [ 5964.858673] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5964.858677] | [ 6012.105387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 6012.105507] rcu: 1-....: (6009816 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1368353 | [ 6012.105595] rcu: (t=6006285 jiffies g=-219 q=807 ncpus=4) [ 6012.105676] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6012.105747] Workqueue: mld mld_ifc_work [ 6012.105783] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6012.105822] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 6012.105928] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 6012.105963] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 6012.106011] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 6012.106057] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 6012.106105] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 6012.106154] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 6012.106205] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 6012.106257] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6012.106297] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 6012.106347] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6012.106395] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6012.106444] PKRU: 55555554 [ 6012.106464] Call Trace: [ 6012.106479] [ 6012.106499] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 6012.106538] ? 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) [ 6012.106572] ? notifier_call_chain (kernel/notifier.c:93) [ 6012.106607] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 6012.106642] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 6012.106677] ? 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) [ 6012.106712] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 6012.106761] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 6012.106791] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 6012.106826] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 6012.106859] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6012.106894] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6012.106929] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6012.106964] [ 6012.106984] [ 6012.106999] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6012.107037] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6012.107064] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 6012.107098] netdev_core_pick_tx (net/core/dev.c:4211) [ 6012.107129] __dev_queue_xmit (net/core/dev.c:4295) [ 6012.107154] ? eth_header (net/ethernet/eth.c:85) [ 6012.107181] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6012.107214] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6012.107248] mld_sendpack (net/ipv6/mcast.c:1822) [ 6012.107276] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6012.107303] process_one_work (kernel/workqueue.c:3254) [ 6012.107330] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6012.107365] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6012.107392] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6012.107427] kthread (kernel/kthread.c:388) [ 6012.107454] ? __pfx_kthread (kernel/kthread.c:341) [ 6012.107482] ret_from_fork (arch/x86/kernel/process.c:147) [ 6012.107509] ? __pfx_kthread (kernel/kthread.c:341) [ 6012.107536] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6030.394395] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 5983741 jiffies s: 77 root: 0x2/. | [ 6030.394601] rcu: blocking rcu_node structures (internal RCU debug): | [ 6030.394639] Sending NMI from CPU 2 to CPUs 1: | [ 6030.394678] NMI backtrace for cpu 1 [ 6030.394685] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6030.394687] Workqueue: mld mld_ifc_work [ 6030.394694] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6030.394697] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 6030.394699] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 6030.394700] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 6030.394701] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 6030.394702] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 6030.394703] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 6030.394704] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 6030.394707] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 6030.394708] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6030.394709] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 6030.394709] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6030.394710] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6030.394711] PKRU: 55555554 [ 6030.394711] Call Trace: [ 6030.394713] [ 6030.394715] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 6030.394717] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 6030.394721] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 6030.394725] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 6030.394728] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 6030.394729] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 6030.394732] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6030.394734] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6030.394735] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6030.394737] [ 6030.394737] [ 6030.394738] netdev_core_pick_tx (net/core/dev.c:4211) [ 6030.394742] __dev_queue_xmit (net/core/dev.c:4295) [ 6030.394744] ? eth_header (net/ethernet/eth.c:85) [ 6030.394748] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6030.394752] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6030.394754] mld_sendpack (net/ipv6/mcast.c:1822) [ 6030.394757] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6030.394760] process_one_work (kernel/workqueue.c:3254) [ 6030.394763] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6030.394765] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6030.394767] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6030.394768] kthread (kernel/kthread.c:388) [ 6030.394771] ? __pfx_kthread (kernel/kthread.c:341) [ 6030.394772] ret_from_fork (arch/x86/kernel/process.c:147) [ 6030.394776] ? __pfx_kthread (kernel/kthread.c:341) [ 6030.394777] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6030.394781] | [ 6075.108397] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 6075.108556] rcu: 1-....: (6072818 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1382565 | [ 6075.108622] rcu: (t=6069288 jiffies g=-219 q=807 ncpus=4) [ 6075.108703] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6075.108774] Workqueue: mld mld_ifc_work [ 6075.108811] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6075.108867] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 6075.108973] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 6075.109007] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 6075.109056] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 6075.109106] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 6075.109155] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 6075.109203] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 6075.109253] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 6075.109304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6075.109344] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 6075.109396] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6075.109443] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6075.109491] PKRU: 55555554 [ 6075.109511] Call Trace: [ 6075.109532] [ 6075.109552] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 6075.109590] ? 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) [ 6075.109623] ? notifier_call_chain (kernel/notifier.c:93) [ 6075.109656] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 6075.109694] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 6075.109728] ? 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) [ 6075.109762] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 6075.109800] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 6075.109827] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 6075.109862] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 6075.109897] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6075.109931] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6075.109966] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6075.110004] [ 6075.110023] [ 6075.110044] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6075.110078] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6075.110104] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 6075.110138] netdev_core_pick_tx (net/core/dev.c:4211) [ 6075.110169] __dev_queue_xmit (net/core/dev.c:4295) [ 6075.110196] ? eth_header (net/ethernet/eth.c:85) [ 6075.110224] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6075.110256] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6075.110289] mld_sendpack (net/ipv6/mcast.c:1822) [ 6075.110318] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6075.110349] process_one_work (kernel/workqueue.c:3254) [ 6075.110380] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6075.110414] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6075.110442] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6075.110476] kthread (kernel/kthread.c:388) [ 6075.110504] ? __pfx_kthread (kernel/kthread.c:341) [ 6075.110531] ret_from_fork (arch/x86/kernel/process.c:147) [ 6075.110575] ? __pfx_kthread (kernel/kthread.c:341) [ 6075.110602] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6095.930392] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 6049277 jiffies s: 77 root: 0x2/. | [ 6095.930576] rcu: blocking rcu_node structures (internal RCU debug): | [ 6095.930613] Sending NMI from CPU 2 to CPUs 1: | [ 6095.930651] NMI backtrace for cpu 1 [ 6095.930657] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6095.930659] Workqueue: mld mld_ifc_work [ 6095.930664] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6095.930667] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 6095.930669] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 6095.930670] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 6095.930671] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 6095.930672] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 6095.930673] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 6095.930674] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 6095.930676] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 6095.930677] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6095.930678] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 6095.930679] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6095.930680] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6095.930680] PKRU: 55555554 [ 6095.930681] Call Trace: [ 6095.930683] [ 6095.930684] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 6095.930687] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 6095.930691] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 6095.930695] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 6095.930698] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 6095.930699] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 6095.930702] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6095.930704] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6095.930705] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6095.930707] [ 6095.930707] [ 6095.930707] netdev_core_pick_tx (net/core/dev.c:4211) [ 6095.930712] __dev_queue_xmit (net/core/dev.c:4295) [ 6095.930714] ? eth_header (net/ethernet/eth.c:85) [ 6095.930717] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6095.930721] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6095.930723] mld_sendpack (net/ipv6/mcast.c:1822) [ 6095.930726] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6095.930728] process_one_work (kernel/workqueue.c:3254) [ 6095.930731] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6095.930733] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6095.930735] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6095.930736] kthread (kernel/kthread.c:388) [ 6095.930738] ? __pfx_kthread (kernel/kthread.c:341) [ 6095.930739] ret_from_fork (arch/x86/kernel/process.c:147) [ 6095.930742] ? __pfx_kthread (kernel/kthread.c:341) [ 6095.930743] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6095.930746] | [ 6138.111403] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 6138.111558] rcu: 1-....: (6135820 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1396769 | [ 6138.111625] rcu: (t=6132291 jiffies g=-219 q=807 ncpus=4) [ 6138.111709] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6138.111782] Workqueue: mld mld_ifc_work [ 6138.111817] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6138.111855] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 6138.111960] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 6138.111994] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 6138.112042] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 6138.112089] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 6138.112138] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 6138.112187] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 6138.112237] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 6138.112289] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6138.112329] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 6138.112380] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6138.112427] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6138.112475] PKRU: 55555554 [ 6138.112495] Call Trace: [ 6138.112516] [ 6138.112536] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 6138.112576] ? 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) [ 6138.112617] ? notifier_call_chain (kernel/notifier.c:93) [ 6138.112651] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 6138.112686] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 6138.112720] ? 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) [ 6138.112755] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 6138.112794] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 6138.112824] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 6138.112858] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 6138.112892] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6138.112927] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6138.112961] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6138.112996] [ 6138.113016] [ 6138.113036] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6138.113071] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6138.113098] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 6138.113131] netdev_core_pick_tx (net/core/dev.c:4211) [ 6138.113157] __dev_queue_xmit (net/core/dev.c:4295) [ 6138.113184] ? eth_header (net/ethernet/eth.c:85) [ 6138.113214] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6138.113244] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6138.113279] mld_sendpack (net/ipv6/mcast.c:1822) [ 6138.113307] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6138.113333] process_one_work (kernel/workqueue.c:3254) [ 6138.113361] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6138.113395] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6138.113422] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6138.113456] kthread (kernel/kthread.c:388) [ 6138.113483] ? __pfx_kthread (kernel/kthread.c:341) [ 6138.113522] ret_from_fork (arch/x86/kernel/process.c:147) [ 6138.113563] ? __pfx_kthread (kernel/kthread.c:341) [ 6138.113591] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6161.466402] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 6114812 jiffies s: 77 root: 0x2/. | [ 6161.466586] rcu: blocking rcu_node structures (internal RCU debug): | [ 6161.466626] Sending NMI from CPU 2 to CPUs 1: | [ 6161.466668] NMI backtrace for cpu 1 [ 6161.466675] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6161.466676] Workqueue: mld mld_ifc_work [ 6161.466682] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6161.466685] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 6161.466687] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 6161.466688] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 6161.466690] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 6161.466690] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 6161.466691] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 6161.466692] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 6161.466695] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 6161.466696] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6161.466697] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 6161.466698] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6161.466698] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6161.466699] PKRU: 55555554 [ 6161.466699] Call Trace: [ 6161.466701] [ 6161.466703] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 6161.466706] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 6161.466710] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 6161.466714] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 6161.466716] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 6161.466717] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 6161.466721] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6161.466722] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6161.466724] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6161.466725] [ 6161.466726] [ 6161.466726] netdev_core_pick_tx (net/core/dev.c:4211) [ 6161.466731] __dev_queue_xmit (net/core/dev.c:4295) [ 6161.466733] ? eth_header (net/ethernet/eth.c:85) [ 6161.466737] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6161.466741] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6161.466743] mld_sendpack (net/ipv6/mcast.c:1822) [ 6161.466747] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6161.466749] process_one_work (kernel/workqueue.c:3254) [ 6161.466752] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6161.466754] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6161.466756] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6161.466757] kthread (kernel/kthread.c:388) [ 6161.466759] ? __pfx_kthread (kernel/kthread.c:341) [ 6161.466760] ret_from_fork (arch/x86/kernel/process.c:147) [ 6161.466763] ? __pfx_kthread (kernel/kthread.c:341) [ 6161.466764] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6161.466768] | [ 6201.114387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 6201.114548] rcu: 1-....: (6198822 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1410935 | [ 6201.114620] rcu: (t=6195294 jiffies g=-219 q=807 ncpus=4) [ 6201.114701] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6201.114771] Workqueue: mld mld_ifc_work [ 6201.114806] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6201.114846] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 6201.114966] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 6201.115001] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 6201.115051] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 6201.115100] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 6201.115148] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 6201.115197] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 6201.115247] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 6201.115298] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6201.115341] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 6201.115390] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6201.115438] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6201.115487] PKRU: 55555554 [ 6201.115508] Call Trace: [ 6201.115528] [ 6201.115548] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 6201.115584] ? 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) [ 6201.115617] ? notifier_call_chain (kernel/notifier.c:93) [ 6201.115652] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 6201.115686] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 6201.115720] ? 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) [ 6201.115755] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 6201.115792] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 6201.115819] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 6201.115853] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 6201.115888] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6201.115922] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6201.115956] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6201.115990] [ 6201.116010] [ 6201.116025] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6201.116060] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6201.116087] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 6201.116121] netdev_core_pick_tx (net/core/dev.c:4211) [ 6201.116153] __dev_queue_xmit (net/core/dev.c:4295) [ 6201.116180] ? eth_header (net/ethernet/eth.c:85) [ 6201.116208] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6201.116235] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6201.116272] mld_sendpack (net/ipv6/mcast.c:1822) [ 6201.116299] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6201.116326] process_one_work (kernel/workqueue.c:3254) [ 6201.116357] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6201.116391] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6201.116419] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6201.116453] kthread (kernel/kthread.c:388) [ 6201.116481] ? __pfx_kthread (kernel/kthread.c:341) [ 6201.116508] ret_from_fork (arch/x86/kernel/process.c:147) [ 6201.116535] ? __pfx_kthread (kernel/kthread.c:341) [ 6201.116562] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6227.002407] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 6180349 jiffies s: 77 root: 0x2/. | [ 6227.002611] rcu: blocking rcu_node structures (internal RCU debug): | [ 6227.002652] Sending NMI from CPU 2 to CPUs 1: | [ 6227.002699] NMI backtrace for cpu 1 [ 6227.002707] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6227.002709] Workqueue: mld mld_ifc_work [ 6227.002715] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6227.002720] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 6227.002721] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 6227.002723] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 6227.002724] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 6227.002724] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 6227.002725] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 6227.002726] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 6227.002728] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 6227.002729] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6227.002730] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 6227.002731] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6227.002731] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6227.002732] PKRU: 55555554 [ 6227.002733] Call Trace: [ 6227.002737] [ 6227.002743] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 6227.002745] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 6227.002749] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 6227.002753] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 6227.002755] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 6227.002756] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 6227.002776] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6227.002777] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6227.002779] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6227.002780] [ 6227.002781] [ 6227.002781] netdev_core_pick_tx (net/core/dev.c:4211) [ 6227.002786] __dev_queue_xmit (net/core/dev.c:4295) [ 6227.002788] ? eth_header (net/ethernet/eth.c:85) [ 6227.002791] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6227.002794] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6227.002797] mld_sendpack (net/ipv6/mcast.c:1822) [ 6227.002800] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6227.002802] process_one_work (kernel/workqueue.c:3254) [ 6227.002806] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6227.002807] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6227.002809] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6227.002811] kthread (kernel/kthread.c:388) [ 6227.002813] ? __pfx_kthread (kernel/kthread.c:341) [ 6227.002814] ret_from_fork (arch/x86/kernel/process.c:147) [ 6227.002817] ? __pfx_kthread (kernel/kthread.c:341) [ 6227.002818] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6227.002821] | [ 6264.117387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 6264.117548] rcu: 1-....: (6261824 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1425094 | [ 6264.117617] rcu: (t=6258297 jiffies g=-219 q=807 ncpus=4) [ 6264.117697] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6264.117769] Workqueue: mld mld_ifc_work [ 6264.117805] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6264.117847] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 6264.117952] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 6264.117985] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 6264.118032] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 6264.118079] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 6264.118129] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 6264.118178] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 6264.118228] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 6264.118279] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6264.118320] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 6264.118369] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6264.118417] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6264.118465] PKRU: 55555554 [ 6264.118480] Call Trace: [ 6264.118495] [ 6264.118515] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 6264.118556] ? 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) [ 6264.118590] ? notifier_call_chain (kernel/notifier.c:93) [ 6264.118625] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 6264.118660] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 6264.118694] ? 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) [ 6264.118729] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 6264.118764] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 6264.118791] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 6264.118825] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 6264.118860] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6264.118895] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6264.118929] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6264.118963] [ 6264.118984] [ 6264.118998] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6264.119032] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6264.119059] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 6264.119093] netdev_core_pick_tx (net/core/dev.c:4211) [ 6264.119121] __dev_queue_xmit (net/core/dev.c:4295) [ 6264.119147] ? eth_header (net/ethernet/eth.c:85) [ 6264.119175] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6264.119202] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6264.119236] mld_sendpack (net/ipv6/mcast.c:1822) [ 6264.119264] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6264.119291] process_one_work (kernel/workqueue.c:3254) [ 6264.119319] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6264.119353] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6264.119380] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6264.119414] kthread (kernel/kthread.c:388) [ 6264.119442] ? __pfx_kthread (kernel/kthread.c:341) [ 6264.119470] ret_from_fork (arch/x86/kernel/process.c:147) [ 6264.119497] ? __pfx_kthread (kernel/kthread.c:341) [ 6264.119523] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6292.538392] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 6245884 jiffies s: 77 root: 0x2/. | [ 6292.538576] rcu: blocking rcu_node structures (internal RCU debug): | [ 6292.538615] Sending NMI from CPU 2 to CPUs 1: | [ 6292.538658] NMI backtrace for cpu 1 [ 6292.538669] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6292.538671] Workqueue: mld mld_ifc_work [ 6292.538677] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6292.538680] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 6292.538682] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 6292.538683] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 6292.538684] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 6292.538685] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 6292.538686] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 6292.538687] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 6292.538689] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 6292.538690] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6292.538691] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 6292.538692] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6292.538693] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6292.538693] PKRU: 55555554 [ 6292.538694] Call Trace: [ 6292.538696] [ 6292.538698] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 6292.538702] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 6292.538706] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 6292.538710] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 6292.538712] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 6292.538713] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 6292.538717] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6292.538718] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6292.538720] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6292.538721] [ 6292.538738] [ 6292.538739] netdev_core_pick_tx (net/core/dev.c:4211) [ 6292.538743] __dev_queue_xmit (net/core/dev.c:4295) [ 6292.538745] ? eth_header (net/ethernet/eth.c:85) [ 6292.538748] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6292.538752] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6292.538754] mld_sendpack (net/ipv6/mcast.c:1822) [ 6292.538757] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6292.538760] process_one_work (kernel/workqueue.c:3254) [ 6292.538763] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6292.538765] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6292.538767] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6292.538769] kthread (kernel/kthread.c:388) [ 6292.538771] ? __pfx_kthread (kernel/kthread.c:341) [ 6292.538772] ret_from_fork (arch/x86/kernel/process.c:147) [ 6292.538775] ? __pfx_kthread (kernel/kthread.c:341) [ 6292.538776] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6292.538780] | [ 6327.120386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 6327.120548] rcu: 1-....: (6324826 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1439387 | [ 6327.120618] rcu: (t=6321300 jiffies g=-219 q=807 ncpus=4) [ 6327.120697] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6327.120769] Workqueue: mld mld_ifc_work [ 6327.120804] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6327.120843] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 6327.120949] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 6327.120985] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 6327.121033] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 6327.121082] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 6327.121131] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 6327.121179] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 6327.121229] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 6327.121280] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6327.121321] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 6327.121369] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6327.121419] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6327.121468] PKRU: 55555554 [ 6327.121487] Call Trace: [ 6327.121507] [ 6327.121527] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 6327.121564] ? 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) [ 6327.121597] ? notifier_call_chain (kernel/notifier.c:93) [ 6327.121631] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 6327.121665] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 6327.121700] ? 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) [ 6327.121735] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 6327.121771] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 6327.121797] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 6327.121831] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 6327.121866] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6327.121900] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6327.121934] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6327.121968] [ 6327.121988] [ 6327.122008] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6327.122042] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6327.122069] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 6327.122103] netdev_core_pick_tx (net/core/dev.c:4211) [ 6327.122135] __dev_queue_xmit (net/core/dev.c:4295) [ 6327.122162] ? eth_header (net/ethernet/eth.c:85) [ 6327.122192] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6327.122224] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6327.122258] mld_sendpack (net/ipv6/mcast.c:1822) [ 6327.122286] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6327.122312] process_one_work (kernel/workqueue.c:3254) [ 6327.122340] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6327.122374] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6327.122402] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6327.122436] kthread (kernel/kthread.c:388) [ 6327.122463] ? __pfx_kthread (kernel/kthread.c:341) [ 6327.122490] ret_from_fork (arch/x86/kernel/process.c:147) [ 6327.122517] ? __pfx_kthread (kernel/kthread.c:341) [ 6327.122544] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6358.074392] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 6311420 jiffies s: 77 root: 0x2/. | [ 6358.074572] rcu: blocking rcu_node structures (internal RCU debug): | [ 6358.074611] Sending NMI from CPU 2 to CPUs 1: | [ 6358.074649] NMI backtrace for cpu 1 [ 6358.074656] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6358.074659] Workqueue: mld mld_ifc_work [ 6358.074665] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 6358.074669] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 6358.074671] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 6358.074672] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 6358.074673] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 6358.074674] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 6358.074675] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 6358.074676] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 6358.074678] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 6358.074679] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6358.074680] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 6358.074681] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6358.074682] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6358.074683] PKRU: 55555554 [ 6358.074683] Call Trace: [ 6358.074685] [ 6358.074687] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 6358.074690] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 6358.074694] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 6358.074698] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 6358.074700] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 6358.074701] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 6358.074705] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 6358.074707] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 6358.074708] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 6358.074710] [ 6358.074710] [ 6358.074710] netdev_core_pick_tx (net/core/dev.c:4211) [ 6358.074715] __dev_queue_xmit (net/core/dev.c:4295) [ 6358.074717] ? eth_header (net/ethernet/eth.c:85) [ 6358.074721] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6358.074725] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6358.074727] mld_sendpack (net/ipv6/mcast.c:1822) [ 6358.074730] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6358.074732] process_one_work (kernel/workqueue.c:3254) [ 6358.074736] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6358.074738] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6358.074740] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6358.074742] kthread (kernel/kthread.c:388) [ 6358.074744] ? __pfx_kthread (kernel/kthread.c:341) [ 6358.074745] ret_from_fork (arch/x86/kernel/process.c:147) [ 6358.074748] ? __pfx_kthread (kernel/kthread.c:341) [ 6358.074749] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6358.074754] | [ 6390.123387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 6390.123570] rcu: 1-....: (6387828 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1453447 | [ 6390.123638] rcu: (t=6384303 jiffies g=-219 q=807 ncpus=4) [ 6390.123721] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6390.123794] Workqueue: mld mld_ifc_work [ 6390.123835] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6390.123875] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 6390.123981] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 6390.124015] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 6390.124062] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 6390.124110] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 6390.124159] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 6390.124209] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 6390.124259] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 6390.124312] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6390.124352] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 6390.124403] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6390.124451] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6390.124499] PKRU: 55555554 [ 6390.124519] Call Trace: [ 6390.124542] [ 6390.124570] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 6390.124610] ? 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) [ 6390.124645] ? notifier_call_chain (kernel/notifier.c:93) [ 6390.124679] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 6390.124717] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 6390.124752] ? 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) [ 6390.124787] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 6390.124825] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 6390.124852] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 6390.124888] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 6390.124922] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6390.124956] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6390.124990] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6390.125031] [ 6390.125051] [ 6390.125072] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6390.125106] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6390.125132] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 6390.125166] netdev_core_pick_tx (net/core/dev.c:4211) [ 6390.125196] __dev_queue_xmit (net/core/dev.c:4295) [ 6390.125225] ? eth_header (net/ethernet/eth.c:85) [ 6390.125252] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6390.125283] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6390.125320] mld_sendpack (net/ipv6/mcast.c:1822) [ 6390.125349] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6390.125379] process_one_work (kernel/workqueue.c:3254) [ 6390.125407] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6390.125441] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6390.125468] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6390.125502] kthread (kernel/kthread.c:388) [ 6390.125530] ? __pfx_kthread (kernel/kthread.c:341) [ 6390.125557] ret_from_fork (arch/x86/kernel/process.c:147) [ 6390.125585] ? __pfx_kthread (kernel/kthread.c:341) [ 6390.125612] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6423.610392] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 6376957 jiffies s: 77 root: 0x2/. | [ 6423.610571] rcu: blocking rcu_node structures (internal RCU debug): | [ 6423.610610] Sending NMI from CPU 2 to CPUs 1: | [ 6423.610649] NMI backtrace for cpu 1 [ 6423.610661] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6423.610663] Workqueue: mld mld_ifc_work [ 6423.610669] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6423.610673] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 6423.610675] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 6423.610676] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 6423.610677] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 6423.610678] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 6423.610679] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 6423.610680] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 6423.610682] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 6423.610683] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6423.610684] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 6423.610685] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6423.610686] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6423.610686] PKRU: 55555554 [ 6423.610687] Call Trace: [ 6423.610689] [ 6423.610691] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 6423.610694] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 6423.610698] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 6423.610702] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 6423.610705] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 6423.610706] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 6423.610709] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6423.610711] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6423.610713] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6423.610714] [ 6423.610714] [ 6423.610715] netdev_core_pick_tx (net/core/dev.c:4211) [ 6423.610719] __dev_queue_xmit (net/core/dev.c:4295) [ 6423.610721] ? eth_header (net/ethernet/eth.c:85) [ 6423.610725] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6423.610729] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6423.610731] mld_sendpack (net/ipv6/mcast.c:1822) [ 6423.610734] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6423.610737] process_one_work (kernel/workqueue.c:3254) [ 6423.610740] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6423.610742] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6423.610744] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6423.610746] kthread (kernel/kthread.c:388) [ 6423.610748] ? __pfx_kthread (kernel/kthread.c:341) [ 6423.610749] ret_from_fork (arch/x86/kernel/process.c:147) [ 6423.610752] ? __pfx_kthread (kernel/kthread.c:341) [ 6423.610753] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6423.610757] | [ 6453.126387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 6453.126568] rcu: 1-....: (6450830 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1467596 | [ 6453.126634] rcu: (t=6447306 jiffies g=-219 q=807 ncpus=4) [ 6453.126713] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6453.126783] Workqueue: mld mld_ifc_work [ 6453.126817] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 6453.126855] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 6453.126960] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 6453.126994] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 6453.127043] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 6453.127092] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 6453.127141] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 6453.127190] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 6453.127241] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 6453.127293] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6453.127334] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 6453.127384] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6453.127445] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6453.127494] PKRU: 55555554 [ 6453.127513] Call Trace: [ 6453.127534] [ 6453.127554] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 6453.127593] ? 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) [ 6453.127626] ? notifier_call_chain (kernel/notifier.c:93) [ 6453.127661] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 6453.127695] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 6453.127729] ? 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) [ 6453.127764] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 6453.127805] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 6453.127845] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 6453.127880] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 6453.127914] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6453.127949] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6453.127983] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6453.128017] [ 6453.128037] [ 6453.128057] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6453.128092] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 6453.128119] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 6453.128154] netdev_core_pick_tx (net/core/dev.c:4211) [ 6453.128186] __dev_queue_xmit (net/core/dev.c:4295) [ 6453.128212] ? eth_header (net/ethernet/eth.c:85) [ 6453.128242] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6453.128271] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6453.128309] mld_sendpack (net/ipv6/mcast.c:1822) [ 6453.128337] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6453.128364] process_one_work (kernel/workqueue.c:3254) [ 6453.128391] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6453.128426] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6453.128454] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6453.128488] kthread (kernel/kthread.c:388) [ 6453.128516] ? __pfx_kthread (kernel/kthread.c:341) [ 6453.128543] ret_from_fork (arch/x86/kernel/process.c:147) [ 6453.128575] ? __pfx_kthread (kernel/kthread.c:341) [ 6453.128602] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6489.146392] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 6442493 jiffies s: 77 root: 0x2/. | [ 6489.146569] rcu: blocking rcu_node structures (internal RCU debug): | [ 6489.146608] Sending NMI from CPU 2 to CPUs 1: | [ 6489.146646] NMI backtrace for cpu 1 [ 6489.146653] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6489.146655] Workqueue: mld mld_ifc_work [ 6489.146661] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 6489.146665] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 6489.146666] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 6489.146668] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 6489.146669] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 6489.146669] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 6489.146670] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 6489.146671] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 6489.146674] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 6489.146675] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6489.146676] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 6489.146677] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6489.146678] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6489.146678] PKRU: 55555554 [ 6489.146679] Call Trace: [ 6489.146681] [ 6489.146683] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 6489.146686] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 6489.146690] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 6489.146694] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 6489.146697] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 6489.146698] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 6489.146702] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 6489.146703] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 6489.146705] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 6489.146706] [ 6489.146707] [ 6489.146707] netdev_core_pick_tx (net/core/dev.c:4211) [ 6489.146712] __dev_queue_xmit (net/core/dev.c:4295) [ 6489.146714] ? eth_header (net/ethernet/eth.c:85) [ 6489.146717] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6489.146721] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6489.146723] mld_sendpack (net/ipv6/mcast.c:1822) [ 6489.146726] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6489.146728] process_one_work (kernel/workqueue.c:3254) [ 6489.146732] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6489.146733] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6489.146735] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6489.146737] kthread (kernel/kthread.c:388) [ 6489.146739] ? __pfx_kthread (kernel/kthread.c:341) [ 6489.146740] ret_from_fork (arch/x86/kernel/process.c:147) [ 6489.146742] ? __pfx_kthread (kernel/kthread.c:341) [ 6489.146744] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6489.146747] | [ 6516.129397] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 6516.129570] rcu: 1-....: (6513832 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1481676 | [ 6516.129636] rcu: (t=6510309 jiffies g=-219 q=807 ncpus=4) [ 6516.129718] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6516.129789] Workqueue: mld mld_ifc_work [ 6516.129825] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 6516.129864] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 6516.129968] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 6516.130002] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 6516.130048] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 6516.130096] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 6516.130146] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 6516.130194] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 6516.130243] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 6516.130295] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6516.130347] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 6516.130397] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6516.130444] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6516.130492] PKRU: 55555554 [ 6516.130513] Call Trace: [ 6516.130528] [ 6516.130547] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 6516.130586] ? 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) [ 6516.130621] ? notifier_call_chain (kernel/notifier.c:93) [ 6516.130655] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 6516.130689] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 6516.130723] ? 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) [ 6516.130757] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 6516.130796] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 6516.130824] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 6516.130858] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 6516.130892] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6516.130927] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6516.130961] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6516.130995] [ 6516.131009] [ 6516.131023] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6516.131058] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 6516.131084] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 6516.131117] netdev_core_pick_tx (net/core/dev.c:4211) [ 6516.131145] __dev_queue_xmit (net/core/dev.c:4295) [ 6516.131172] ? eth_header (net/ethernet/eth.c:85) [ 6516.131202] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6516.131230] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6516.131263] mld_sendpack (net/ipv6/mcast.c:1822) [ 6516.131290] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6516.131318] process_one_work (kernel/workqueue.c:3254) [ 6516.131345] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6516.131378] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6516.131406] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6516.131440] kthread (kernel/kthread.c:388) [ 6516.131468] ? __pfx_kthread (kernel/kthread.c:341) [ 6516.131496] ret_from_fork (arch/x86/kernel/process.c:147) [ 6516.131530] ? __pfx_kthread (kernel/kthread.c:341) [ 6516.131556] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6554.682395] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 6508029 jiffies s: 77 root: 0x2/. | [ 6554.682591] rcu: blocking rcu_node structures (internal RCU debug): | [ 6554.682630] Sending NMI from CPU 2 to CPUs 1: | [ 6554.682669] NMI backtrace for cpu 1 [ 6554.682675] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6554.682677] Workqueue: mld mld_ifc_work [ 6554.682684] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6554.682689] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 6554.682690] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 6554.682692] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 6554.682693] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 6554.682693] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 6554.682694] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 6554.682695] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 6554.682698] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 6554.682699] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6554.682700] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 6554.682700] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6554.682701] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6554.682702] PKRU: 55555554 [ 6554.682702] Call Trace: [ 6554.682704] [ 6554.682706] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 6554.682710] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 6554.682714] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 6554.682718] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 6554.682720] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 6554.682722] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 6554.682726] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6554.682727] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6554.682729] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6554.682730] [ 6554.682731] [ 6554.682732] netdev_core_pick_tx (net/core/dev.c:4211) [ 6554.682736] __dev_queue_xmit (net/core/dev.c:4295) [ 6554.682738] ? eth_header (net/ethernet/eth.c:85) [ 6554.682742] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6554.682745] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6554.682748] mld_sendpack (net/ipv6/mcast.c:1822) [ 6554.682751] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6554.682753] process_one_work (kernel/workqueue.c:3254) [ 6554.682757] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6554.682758] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6554.682760] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6554.682762] kthread (kernel/kthread.c:388) [ 6554.682764] ? __pfx_kthread (kernel/kthread.c:341) [ 6554.682766] ret_from_fork (arch/x86/kernel/process.c:147) [ 6554.682769] ? __pfx_kthread (kernel/kthread.c:341) [ 6554.682770] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6554.682775] | [ 6579.132388] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 6579.132546] rcu: 1-....: (6576834 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1495810 | [ 6579.132617] rcu: (t=6573312 jiffies g=-219 q=807 ncpus=4) [ 6579.132694] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6579.132778] Workqueue: mld mld_ifc_work [ 6579.132812] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6579.132852] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 6579.132957] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 6579.132992] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 6579.133040] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 6579.133089] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 6579.133139] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 6579.133187] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 6579.133236] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 6579.133288] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6579.133329] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 6579.133379] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6579.133426] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6579.133474] PKRU: 55555554 [ 6579.133493] Call Trace: [ 6579.133514] [ 6579.133534] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 6579.133571] ? 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) [ 6579.133606] ? notifier_call_chain (kernel/notifier.c:93) [ 6579.133640] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 6579.133674] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 6579.133708] ? 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) [ 6579.133742] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 6579.133776] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 6579.133803] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 6579.133837] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 6579.133873] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6579.133923] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6579.133958] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6579.133992] [ 6579.134012] [ 6579.134032] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6579.134066] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6579.134093] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 6579.134127] netdev_core_pick_tx (net/core/dev.c:4211) [ 6579.134156] __dev_queue_xmit (net/core/dev.c:4295) [ 6579.134182] ? eth_header (net/ethernet/eth.c:85) [ 6579.134209] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6579.134240] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6579.134274] mld_sendpack (net/ipv6/mcast.c:1822) [ 6579.134303] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6579.134329] process_one_work (kernel/workqueue.c:3254) [ 6579.134357] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6579.134391] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6579.134418] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6579.134453] kthread (kernel/kthread.c:388) [ 6579.134481] ? __pfx_kthread (kernel/kthread.c:341) [ 6579.134508] ret_from_fork (arch/x86/kernel/process.c:147) [ 6579.134535] ? __pfx_kthread (kernel/kthread.c:341) [ 6579.134562] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6620.218392] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 6573565 jiffies s: 77 root: 0x2/. | [ 6620.218574] rcu: blocking rcu_node structures (internal RCU debug): | [ 6620.218612] Sending NMI from CPU 2 to CPUs 1: | [ 6620.218650] NMI backtrace for cpu 1 [ 6620.218657] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6620.218659] Workqueue: mld mld_ifc_work [ 6620.218665] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6620.218670] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 6620.218671] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 6620.218673] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 6620.218674] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 6620.218674] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 6620.218675] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 6620.218676] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 6620.218679] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 6620.218680] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6620.218681] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 6620.218681] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6620.218682] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6620.218683] PKRU: 55555554 [ 6620.218684] Call Trace: [ 6620.218685] [ 6620.218687] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 6620.218691] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 6620.218695] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 6620.218699] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 6620.218701] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 6620.218702] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 6620.218706] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6620.218708] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6620.218709] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6620.218711] [ 6620.218711] [ 6620.218712] netdev_core_pick_tx (net/core/dev.c:4211) [ 6620.218716] __dev_queue_xmit (net/core/dev.c:4295) [ 6620.218718] ? eth_header (net/ethernet/eth.c:85) [ 6620.218722] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6620.218726] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6620.218729] mld_sendpack (net/ipv6/mcast.c:1822) [ 6620.218732] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6620.218734] process_one_work (kernel/workqueue.c:3254) [ 6620.218737] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6620.218739] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6620.218741] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6620.218743] kthread (kernel/kthread.c:388) [ 6620.218745] ? __pfx_kthread (kernel/kthread.c:341) [ 6620.218746] ret_from_fork (arch/x86/kernel/process.c:147) [ 6620.218749] ? __pfx_kthread (kernel/kthread.c:341) [ 6620.218750] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6620.218754] | [ 6642.135387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 6642.135547] rcu: 1-....: (6639836 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1509816 | [ 6642.135617] rcu: (t=6636315 jiffies g=-219 q=807 ncpus=4) [ 6642.135697] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6642.135767] Workqueue: mld mld_ifc_work [ 6642.135801] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6642.135839] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 6642.135943] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 6642.135976] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 6642.136023] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 6642.136071] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 6642.136120] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 6642.136169] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 6642.136219] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 6642.136267] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6642.136310] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 6642.136360] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6642.136407] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6642.136455] PKRU: 55555554 [ 6642.136476] Call Trace: [ 6642.136492] [ 6642.136512] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 6642.136549] ? 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) [ 6642.136583] ? notifier_call_chain (kernel/notifier.c:93) [ 6642.136617] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 6642.136651] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 6642.136686] ? 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) [ 6642.136720] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 6642.136773] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 6642.136800] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 6642.136835] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 6642.136870] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6642.136904] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6642.136938] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6642.136973] [ 6642.136992] [ 6642.137006] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6642.137045] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6642.137071] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 6642.137104] netdev_core_pick_tx (net/core/dev.c:4211) [ 6642.137132] __dev_queue_xmit (net/core/dev.c:4295) [ 6642.137159] ? eth_header (net/ethernet/eth.c:85) [ 6642.137186] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6642.137213] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6642.137247] mld_sendpack (net/ipv6/mcast.c:1822) [ 6642.137274] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6642.137301] process_one_work (kernel/workqueue.c:3254) [ 6642.137328] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6642.137362] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6642.137390] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6642.137425] kthread (kernel/kthread.c:388) [ 6642.137452] ? __pfx_kthread (kernel/kthread.c:341) [ 6642.137480] ret_from_fork (arch/x86/kernel/process.c:147) [ 6642.137507] ? __pfx_kthread (kernel/kthread.c:341) [ 6642.137534] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6685.754392] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 6639101 jiffies s: 77 root: 0x2/. | [ 6685.754588] rcu: blocking rcu_node structures (internal RCU debug): | [ 6685.754626] Sending NMI from CPU 2 to CPUs 1: | [ 6685.754665] NMI backtrace for cpu 1 [ 6685.754672] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6685.754674] Workqueue: mld mld_ifc_work [ 6685.754681] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6685.754685] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 6685.754687] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 6685.754688] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 6685.754689] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 6685.754690] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 6685.754691] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 6685.754692] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 6685.754694] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 6685.754695] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6685.754696] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 6685.754697] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6685.754698] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6685.754699] PKRU: 55555554 [ 6685.754699] Call Trace: [ 6685.754702] [ 6685.754704] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 6685.754707] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 6685.754711] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 6685.754715] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 6685.754717] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 6685.754719] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 6685.754722] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6685.754724] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6685.754726] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6685.754727] [ 6685.754727] [ 6685.754728] netdev_core_pick_tx (net/core/dev.c:4211) [ 6685.754733] __dev_queue_xmit (net/core/dev.c:4295) [ 6685.754735] ? eth_header (net/ethernet/eth.c:85) [ 6685.754738] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6685.754742] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6685.754744] mld_sendpack (net/ipv6/mcast.c:1822) [ 6685.754748] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6685.754750] process_one_work (kernel/workqueue.c:3254) [ 6685.754754] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6685.754755] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6685.754757] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6685.754759] kthread (kernel/kthread.c:388) [ 6685.754761] ? __pfx_kthread (kernel/kthread.c:341) [ 6685.754763] ret_from_fork (arch/x86/kernel/process.c:147) [ 6685.754766] ? __pfx_kthread (kernel/kthread.c:341) [ 6685.754767] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6685.754771] | [ 6705.138403] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 6705.138575] rcu: 1-....: (6702838 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1523970 | [ 6705.138639] rcu: (t=6699318 jiffies g=-219 q=807 ncpus=4) [ 6705.138721] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6705.138792] Workqueue: mld mld_ifc_work [ 6705.138828] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6705.138868] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 6705.138976] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 6705.139010] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 6705.139059] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 6705.139108] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 6705.139156] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 6705.139205] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 6705.139256] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 6705.139306] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6705.139347] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 6705.139397] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6705.139445] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6705.139492] PKRU: 55555554 [ 6705.139511] Call Trace: [ 6705.139529] [ 6705.139556] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 6705.139597] ? 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) [ 6705.139631] ? notifier_call_chain (kernel/notifier.c:93) [ 6705.139665] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 6705.139703] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 6705.139737] ? 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) [ 6705.139771] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 6705.139809] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 6705.139836] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 6705.139871] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 6705.139906] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6705.139940] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6705.139974] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6705.140008] [ 6705.140028] [ 6705.140048] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6705.140083] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6705.140110] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 6705.140145] netdev_core_pick_tx (net/core/dev.c:4211) [ 6705.140177] __dev_queue_xmit (net/core/dev.c:4295) [ 6705.140203] ? eth_header (net/ethernet/eth.c:85) [ 6705.140232] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6705.140265] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6705.140299] mld_sendpack (net/ipv6/mcast.c:1822) [ 6705.140327] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6705.140353] process_one_work (kernel/workqueue.c:3254) [ 6705.140380] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6705.140414] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6705.140442] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6705.140476] kthread (kernel/kthread.c:388) [ 6705.140504] ? __pfx_kthread (kernel/kthread.c:341) [ 6705.140531] ret_from_fork (arch/x86/kernel/process.c:147) [ 6705.140559] ? __pfx_kthread (kernel/kthread.c:341) [ 6705.140586] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6751.290397] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 6704637 jiffies s: 77 root: 0x2/. | [ 6751.290515] rcu: blocking rcu_node structures (internal RCU debug): | [ 6751.290554] Sending NMI from CPU 2 to CPUs 1: | [ 6751.290602] NMI backtrace for cpu 1 [ 6751.290610] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6751.290612] Workqueue: mld mld_ifc_work [ 6751.290618] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6751.290623] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 6751.290624] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 6751.290626] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 6751.290627] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 6751.290628] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 6751.290629] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 6751.290629] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 6751.290632] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 6751.290634] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6751.290635] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 6751.290635] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6751.290636] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6751.290637] PKRU: 55555554 [ 6751.290637] Call Trace: [ 6751.290639] [ 6751.290641] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 6751.290644] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 6751.290648] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 6751.290652] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 6751.290655] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 6751.290656] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 6751.290660] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6751.290661] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6751.290663] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6751.290664] [ 6751.290665] [ 6751.290666] netdev_core_pick_tx (net/core/dev.c:4211) [ 6751.290670] __dev_queue_xmit (net/core/dev.c:4295) [ 6751.290672] ? eth_header (net/ethernet/eth.c:85) [ 6751.290676] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6751.290680] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6751.290682] mld_sendpack (net/ipv6/mcast.c:1822) [ 6751.290686] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6751.290688] process_one_work (kernel/workqueue.c:3254) [ 6751.290697] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6751.290698] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6751.290701] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6751.290702] kthread (kernel/kthread.c:388) [ 6751.290705] ? __pfx_kthread (kernel/kthread.c:341) [ 6751.290706] ret_from_fork (arch/x86/kernel/process.c:147) [ 6751.290709] ? __pfx_kthread (kernel/kthread.c:341) [ 6751.290711] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6751.290715] | [ 6768.141386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 6768.141553] rcu: 1-....: (6765840 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1538093 | [ 6768.141625] rcu: (t=6762321 jiffies g=-219 q=807 ncpus=4) [ 6768.141706] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6768.141778] Workqueue: mld mld_ifc_work [ 6768.141813] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 6768.141851] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 6768.141955] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 6768.141988] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 6768.142035] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 6768.142083] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 6768.142132] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 6768.142180] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 6768.142231] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 6768.142281] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6768.142322] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 6768.142372] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6768.142421] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6768.142469] PKRU: 55555554 [ 6768.142490] Call Trace: [ 6768.142510] [ 6768.142531] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 6768.142573] ? 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) [ 6768.142607] ? notifier_call_chain (kernel/notifier.c:93) [ 6768.142642] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 6768.142677] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 6768.142711] ? 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) [ 6768.142747] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 6768.142782] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 6768.142810] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 6768.142844] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 6768.142879] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6768.142913] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6768.142952] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6768.142987] [ 6768.143007] [ 6768.143026] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6768.143060] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 6768.143086] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 6768.143119] netdev_core_pick_tx (net/core/dev.c:4211) [ 6768.143149] __dev_queue_xmit (net/core/dev.c:4295) [ 6768.143176] ? eth_header (net/ethernet/eth.c:85) [ 6768.143203] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6768.143232] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6768.143270] mld_sendpack (net/ipv6/mcast.c:1822) [ 6768.143298] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6768.143325] process_one_work (kernel/workqueue.c:3254) [ 6768.143356] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6768.143391] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6768.143419] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6768.143453] kthread (kernel/kthread.c:388) [ 6768.143481] ? __pfx_kthread (kernel/kthread.c:341) [ 6768.143509] ret_from_fork (arch/x86/kernel/process.c:147) [ 6768.143536] ? __pfx_kthread (kernel/kthread.c:341) [ 6768.143563] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6816.825393] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 6770172 jiffies s: 77 root: 0x2/. | [ 6816.825573] rcu: blocking rcu_node structures (internal RCU debug): | [ 6816.825615] Sending NMI from CPU 2 to CPUs 1: | [ 6816.825660] NMI backtrace for cpu 1 [ 6816.825667] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6816.825669] Workqueue: mld mld_ifc_work [ 6816.825677] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6816.825682] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 6816.825683] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 6816.825685] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 6816.825686] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 6816.825686] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 6816.825687] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 6816.825688] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 6816.825691] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 6816.825692] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6816.825693] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 6816.825693] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6816.825694] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6816.825695] PKRU: 55555554 [ 6816.825695] Call Trace: [ 6816.825697] [ 6816.825699] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 6816.825701] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 6816.825705] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 6816.825710] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 6816.825712] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 6816.825713] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 6816.825717] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6816.825718] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6816.825720] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6816.825721] [ 6816.825722] [ 6816.825722] netdev_core_pick_tx (net/core/dev.c:4211) [ 6816.825727] __dev_queue_xmit (net/core/dev.c:4295) [ 6816.825729] ? eth_header (net/ethernet/eth.c:85) [ 6816.825732] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6816.825736] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6816.825739] mld_sendpack (net/ipv6/mcast.c:1822) [ 6816.825742] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6816.825744] process_one_work (kernel/workqueue.c:3254) [ 6816.825748] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6816.825750] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6816.825751] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6816.825753] kthread (kernel/kthread.c:388) [ 6816.825755] ? __pfx_kthread (kernel/kthread.c:341) [ 6816.825757] ret_from_fork (arch/x86/kernel/process.c:147) [ 6816.825760] ? __pfx_kthread (kernel/kthread.c:341) [ 6816.825761] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6816.825766] | [ 6831.144403] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 6831.144506] rcu: 1-....: (6828842 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1552244 | [ 6831.144575] rcu: (t=6825324 jiffies g=-219 q=807 ncpus=4) [ 6831.144655] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6831.144726] Workqueue: mld mld_ifc_work [ 6831.144758] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6831.144796] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 6831.144901] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 6831.144935] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 6831.144984] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 6831.145032] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 6831.145080] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 6831.145130] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 6831.145180] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 6831.145232] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6831.145272] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 6831.145322] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6831.145368] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6831.145426] PKRU: 55555554 [ 6831.145445] Call Trace: [ 6831.145466] [ 6831.145487] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 6831.145526] ? 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) [ 6831.145561] ? notifier_call_chain (kernel/notifier.c:93) [ 6831.145595] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 6831.145630] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 6831.145664] ? 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) [ 6831.145698] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 6831.145754] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 6831.145782] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 6831.145817] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 6831.145852] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6831.145887] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6831.145921] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6831.145955] [ 6831.145975] [ 6831.145989] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6831.146024] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6831.146052] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 6831.146087] netdev_core_pick_tx (net/core/dev.c:4211) [ 6831.146115] __dev_queue_xmit (net/core/dev.c:4295) [ 6831.146141] ? eth_header (net/ethernet/eth.c:85) [ 6831.146169] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6831.146200] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6831.146237] mld_sendpack (net/ipv6/mcast.c:1822) [ 6831.146265] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6831.146292] process_one_work (kernel/workqueue.c:3254) [ 6831.146319] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6831.146354] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6831.146382] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6831.146420] kthread (kernel/kthread.c:388) [ 6831.146447] ? __pfx_kthread (kernel/kthread.c:341) [ 6831.146474] ret_from_fork (arch/x86/kernel/process.c:147) [ 6831.146501] ? __pfx_kthread (kernel/kthread.c:341) [ 6831.146528] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6882.362395] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 6835709 jiffies s: 77 root: 0x2/. | [ 6882.362528] rcu: blocking rcu_node structures (internal RCU debug): | [ 6882.362567] Sending NMI from CPU 2 to CPUs 1: | [ 6882.362604] NMI backtrace for cpu 1 [ 6882.362615] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6882.362619] Workqueue: mld mld_ifc_work [ 6882.362630] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6882.362634] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 6882.362636] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 6882.362637] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 6882.362638] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 6882.362639] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 6882.362640] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 6882.362641] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 6882.362643] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 6882.362644] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6882.362645] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 6882.362646] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6882.362646] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6882.362647] PKRU: 55555554 [ 6882.362648] Call Trace: [ 6882.362651] [ 6882.362657] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 6882.362661] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 6882.362665] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 6882.362670] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 6882.362672] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 6882.362673] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 6882.362677] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6882.362678] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6882.362680] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6882.362681] [ 6882.362682] [ 6882.362682] netdev_core_pick_tx (net/core/dev.c:4211) [ 6882.362686] __dev_queue_xmit (net/core/dev.c:4295) [ 6882.362688] ? eth_header (net/ethernet/eth.c:85) [ 6882.362692] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6882.362695] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6882.362698] mld_sendpack (net/ipv6/mcast.c:1822) [ 6882.362701] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6882.362703] process_one_work (kernel/workqueue.c:3254) [ 6882.362707] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6882.362708] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6882.362710] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6882.362712] kthread (kernel/kthread.c:388) [ 6882.362714] ? __pfx_kthread (kernel/kthread.c:341) [ 6882.362715] ret_from_fork (arch/x86/kernel/process.c:147) [ 6882.362718] ? __pfx_kthread (kernel/kthread.c:341) [ 6882.362720] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6882.362724] | [ 6894.147387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 6894.147480] rcu: 1-....: (6891844 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1566396 | [ 6894.147548] rcu: (t=6888327 jiffies g=-219 q=807 ncpus=4) [ 6894.147624] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6894.147695] Workqueue: mld mld_ifc_work [ 6894.147728] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6894.147766] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 6894.147868] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 6894.147901] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 6894.147949] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 6894.147998] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 6894.148046] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 6894.148095] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 6894.148145] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 6894.148196] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6894.148236] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 6894.148285] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6894.148333] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6894.148381] PKRU: 55555554 [ 6894.148400] Call Trace: [ 6894.148416] [ 6894.148437] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 6894.148477] ? 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) [ 6894.148512] ? notifier_call_chain (kernel/notifier.c:93) [ 6894.148547] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 6894.148581] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 6894.148616] ? 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) [ 6894.148650] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 6894.148685] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 6894.148712] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 6894.148748] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 6894.148783] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6894.148818] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6894.148852] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6894.148885] [ 6894.148905] [ 6894.148925] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6894.148959] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6894.148985] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 6894.149018] netdev_core_pick_tx (net/core/dev.c:4211) [ 6894.149046] __dev_queue_xmit (net/core/dev.c:4295) [ 6894.149072] ? eth_header (net/ethernet/eth.c:85) [ 6894.149100] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6894.149131] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6894.149165] mld_sendpack (net/ipv6/mcast.c:1822) [ 6894.149193] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6894.149220] process_one_work (kernel/workqueue.c:3254) [ 6894.149248] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6894.149282] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6894.149309] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6894.149343] kthread (kernel/kthread.c:388) [ 6894.149371] ? __pfx_kthread (kernel/kthread.c:341) [ 6894.149403] ret_from_fork (arch/x86/kernel/process.c:147) [ 6894.149431] ? __pfx_kthread (kernel/kthread.c:341) [ 6894.149458] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6947.897392] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 6901244 jiffies s: 77 root: 0x2/. | [ 6947.897577] rcu: blocking rcu_node structures (internal RCU debug): | [ 6947.897615] Sending NMI from CPU 2 to CPUs 1: | [ 6947.897652] NMI backtrace for cpu 1 [ 6947.897659] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6947.897661] Workqueue: mld mld_ifc_work [ 6947.897667] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6947.897671] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 6947.897673] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 6947.897674] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 6947.897675] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 6947.897676] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 6947.897677] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 6947.897678] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 6947.897680] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 6947.897682] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6947.897683] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 6947.897683] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6947.897684] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6947.897685] PKRU: 55555554 [ 6947.897685] Call Trace: [ 6947.897688] [ 6947.897689] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 6947.897692] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 6947.897697] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 6947.897701] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 6947.897703] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 6947.897704] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 6947.897708] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6947.897709] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6947.897711] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6947.897712] [ 6947.897713] [ 6947.897713] netdev_core_pick_tx (net/core/dev.c:4211) [ 6947.897717] __dev_queue_xmit (net/core/dev.c:4295) [ 6947.897719] ? eth_header (net/ethernet/eth.c:85) [ 6947.897723] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6947.897727] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6947.897730] mld_sendpack (net/ipv6/mcast.c:1822) [ 6947.897733] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6947.897735] process_one_work (kernel/workqueue.c:3254) [ 6947.897739] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6947.897740] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6947.897742] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6947.897744] kthread (kernel/kthread.c:388) [ 6947.897746] ? __pfx_kthread (kernel/kthread.c:341) [ 6947.897747] ret_from_fork (arch/x86/kernel/process.c:147) [ 6947.897751] ? __pfx_kthread (kernel/kthread.c:341) [ 6947.897752] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6947.897756] | [ 6957.150386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 6957.150559] rcu: 1-....: (6954846 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1580414 | [ 6957.150625] rcu: (t=6951330 jiffies g=-219 q=807 ncpus=4) [ 6957.150702] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6957.150772] Workqueue: mld mld_ifc_work [ 6957.150806] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6957.150843] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 6957.150949] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 6957.150984] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 6957.151032] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 6957.151081] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 6957.151130] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 6957.151179] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 6957.151229] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 6957.151281] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6957.151321] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 6957.151371] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6957.151419] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6957.151466] PKRU: 55555554 [ 6957.151485] Call Trace: [ 6957.151507] [ 6957.151527] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 6957.151565] ? 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) [ 6957.151599] ? notifier_call_chain (kernel/notifier.c:93) [ 6957.151634] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 6957.151669] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 6957.151703] ? 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) [ 6957.151737] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 6957.151775] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 6957.151802] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 6957.151836] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 6957.151871] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6957.151906] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6957.151940] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6957.151974] [ 6957.151994] [ 6957.152015] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6957.152050] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6957.152077] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 6957.152111] netdev_core_pick_tx (net/core/dev.c:4211) [ 6957.152139] __dev_queue_xmit (net/core/dev.c:4295) [ 6957.152165] ? eth_header (net/ethernet/eth.c:85) [ 6957.152193] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6957.152220] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6957.152257] mld_sendpack (net/ipv6/mcast.c:1822) [ 6957.152284] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6957.152311] process_one_work (kernel/workqueue.c:3254) [ 6957.152341] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6957.152375] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6957.152403] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6957.152437] kthread (kernel/kthread.c:388) [ 6957.152465] ? __pfx_kthread (kernel/kthread.c:341) [ 6957.152492] ret_from_fork (arch/x86/kernel/process.c:147) [ 6957.152520] ? __pfx_kthread (kernel/kthread.c:341) [ 6957.152546] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7013.434393] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 6966781 jiffies s: 77 root: 0x2/. | [ 7013.434597] rcu: blocking rcu_node structures (internal RCU debug): | [ 7013.434635] Sending NMI from CPU 2 to CPUs 1: | [ 7013.434672] NMI backtrace for cpu 1 [ 7013.434680] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7013.434682] Workqueue: mld mld_ifc_work [ 7013.434688] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7013.434692] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 7013.434694] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 7013.434696] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 7013.434697] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 7013.434698] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 7013.434699] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 7013.434699] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 7013.434702] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 7013.434703] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7013.434704] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 7013.434705] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7013.434706] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7013.434706] PKRU: 55555554 [ 7013.434707] Call Trace: [ 7013.434709] [ 7013.434711] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 7013.434715] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 7013.434719] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 7013.434723] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 7013.434725] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 7013.434726] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 7013.434731] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7013.434732] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7013.434734] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7013.434735] [ 7013.434736] [ 7013.434736] netdev_core_pick_tx (net/core/dev.c:4211) [ 7013.434741] __dev_queue_xmit (net/core/dev.c:4295) [ 7013.434743] ? eth_header (net/ethernet/eth.c:85) [ 7013.434746] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7013.434750] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7013.434753] mld_sendpack (net/ipv6/mcast.c:1822) [ 7013.434756] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7013.434758] process_one_work (kernel/workqueue.c:3254) [ 7013.434762] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7013.434764] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7013.434766] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7013.434767] kthread (kernel/kthread.c:388) [ 7013.434769] ? __pfx_kthread (kernel/kthread.c:341) [ 7013.434770] ret_from_fork (arch/x86/kernel/process.c:147) [ 7013.434773] ? __pfx_kthread (kernel/kthread.c:341) [ 7013.434774] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7013.434778] | [ 7020.153402] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 7020.153498] rcu: 1-....: (7017848 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1594745 | [ 7020.153569] rcu: (t=7014333 jiffies g=-219 q=807 ncpus=4) [ 7020.153645] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7020.153716] Workqueue: mld mld_ifc_work [ 7020.153748] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7020.153782] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 7020.153884] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 7020.153917] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 7020.153967] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 7020.154016] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 7020.154065] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 7020.154115] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 7020.154164] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 7020.154219] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7020.154259] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 7020.154310] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7020.154357] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7020.154429] PKRU: 55555554 [ 7020.154448] Call Trace: [ 7020.154470] [ 7020.154490] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 7020.154530] ? 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) [ 7020.154564] ? notifier_call_chain (kernel/notifier.c:93) [ 7020.154599] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 7020.154638] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 7020.154672] ? 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) [ 7020.154708] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 7020.154743] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 7020.154773] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 7020.154808] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 7020.154843] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7020.154877] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7020.154912] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7020.154945] [ 7020.154964] [ 7020.154984] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7020.155017] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7020.155043] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 7020.155077] netdev_core_pick_tx (net/core/dev.c:4211) [ 7020.155105] __dev_queue_xmit (net/core/dev.c:4295) [ 7020.155132] ? eth_header (net/ethernet/eth.c:85) [ 7020.155159] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7020.155187] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7020.155220] mld_sendpack (net/ipv6/mcast.c:1822) [ 7020.155247] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7020.155274] process_one_work (kernel/workqueue.c:3254) [ 7020.155301] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7020.155335] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7020.155364] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7020.155398] kthread (kernel/kthread.c:388) [ 7020.155426] ? __pfx_kthread (kernel/kthread.c:341) [ 7020.155453] ret_from_fork (arch/x86/kernel/process.c:147) [ 7020.155480] ? __pfx_kthread (kernel/kthread.c:341) [ 7020.155507] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7078.969393] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 7032316 jiffies s: 77 root: 0x2/. | [ 7078.969573] rcu: blocking rcu_node structures (internal RCU debug): | [ 7078.969610] Sending NMI from CPU 2 to CPUs 1: | [ 7078.969648] NMI backtrace for cpu 1 [ 7078.969655] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7078.969656] Workqueue: mld mld_ifc_work [ 7078.969663] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7078.969668] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 7078.969669] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 7078.969671] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 7078.969672] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 7078.969673] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 7078.969673] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 7078.969674] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 7078.969677] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 7078.969678] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7078.969679] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 7078.969680] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7078.969681] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7078.969682] PKRU: 55555554 [ 7078.969682] Call Trace: [ 7078.969684] [ 7078.969686] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 7078.969689] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 7078.969693] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 7078.969697] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 7078.969699] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 7078.969700] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 7078.969704] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7078.969705] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7078.969707] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7078.969709] [ 7078.969709] [ 7078.969710] netdev_core_pick_tx (net/core/dev.c:4211) [ 7078.969714] __dev_queue_xmit (net/core/dev.c:4295) [ 7078.969717] ? eth_header (net/ethernet/eth.c:85) [ 7078.969720] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7078.969724] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7078.969726] mld_sendpack (net/ipv6/mcast.c:1822) [ 7078.969730] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7078.969732] process_one_work (kernel/workqueue.c:3254) [ 7078.969735] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7078.969737] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7078.969739] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7078.969740] kthread (kernel/kthread.c:388) [ 7078.969742] ? __pfx_kthread (kernel/kthread.c:341) [ 7078.969744] ret_from_fork (arch/x86/kernel/process.c:147) [ 7078.969746] ? __pfx_kthread (kernel/kthread.c:341) [ 7078.969747] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7078.969751] | [ 7083.156386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 7083.156536] rcu: 1-....: (7080850 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1608881 | [ 7083.156601] rcu: (t=7077336 jiffies g=-219 q=807 ncpus=4) [ 7083.156676] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7083.156746] Workqueue: mld mld_ifc_work [ 7083.156774] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7083.156808] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 7083.156914] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 7083.156948] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 7083.156996] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 7083.157045] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 7083.157108] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 7083.157157] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 7083.157207] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 7083.157256] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7083.157296] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 7083.157345] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7083.157391] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7083.157437] PKRU: 55555554 [ 7083.157456] Call Trace: [ 7083.157471] [ 7083.157491] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 7083.157548] ? 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) [ 7083.157584] ? notifier_call_chain (kernel/notifier.c:93) [ 7083.157619] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 7083.157654] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 7083.157688] ? 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) [ 7083.157723] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 7083.157757] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 7083.157784] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 7083.157819] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 7083.157853] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7083.157888] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7083.157922] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7083.157957] [ 7083.157977] [ 7083.157998] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7083.158032] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7083.158059] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 7083.158093] netdev_core_pick_tx (net/core/dev.c:4211) [ 7083.158122] __dev_queue_xmit (net/core/dev.c:4295) [ 7083.158148] ? eth_header (net/ethernet/eth.c:85) [ 7083.158176] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7083.158203] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7083.158237] mld_sendpack (net/ipv6/mcast.c:1822) [ 7083.158264] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7083.158291] process_one_work (kernel/workqueue.c:3254) [ 7083.158318] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7083.158353] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7083.158380] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7083.158414] kthread (kernel/kthread.c:388) [ 7083.158441] ? __pfx_kthread (kernel/kthread.c:341) [ 7083.158468] ret_from_fork (arch/x86/kernel/process.c:147) [ 7083.158495] ? __pfx_kthread (kernel/kthread.c:341) [ 7083.158522] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7144.506391] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 7097853 jiffies s: 77 root: 0x2/. | [ 7144.506574] rcu: blocking rcu_node structures (internal RCU debug): | [ 7144.506613] Sending NMI from CPU 2 to CPUs 1: | [ 7144.506652] NMI backtrace for cpu 1 [ 7144.506659] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7144.506661] Workqueue: mld mld_ifc_work [ 7144.506668] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7144.506672] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 7144.506674] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 7144.506675] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 7144.506676] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 7144.506677] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 7144.506678] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 7144.506679] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 7144.506682] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 7144.506683] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7144.506684] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 7144.506685] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7144.506686] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7144.506686] PKRU: 55555554 [ 7144.506687] Call Trace: [ 7144.506689] [ 7144.506691] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 7144.506694] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 7144.506698] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 7144.506702] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 7144.506704] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 7144.506705] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 7144.506709] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7144.506711] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7144.506712] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7144.506730] [ 7144.506730] [ 7144.506731] netdev_core_pick_tx (net/core/dev.c:4211) [ 7144.506735] __dev_queue_xmit (net/core/dev.c:4295) [ 7144.506737] ? eth_header (net/ethernet/eth.c:85) [ 7144.506741] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7144.506745] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7144.506748] mld_sendpack (net/ipv6/mcast.c:1822) [ 7144.506751] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7144.506753] process_one_work (kernel/workqueue.c:3254) [ 7144.506756] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7144.506758] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7144.506760] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7144.506761] kthread (kernel/kthread.c:388) [ 7144.506763] ? __pfx_kthread (kernel/kthread.c:341) [ 7144.506764] ret_from_fork (arch/x86/kernel/process.c:147) [ 7144.506768] ? __pfx_kthread (kernel/kthread.c:341) [ 7144.506769] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7144.506773] | [ 7146.159402] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 7146.159563] rcu: 1-....: (7143852 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1623072 | [ 7146.159634] rcu: (t=7140339 jiffies g=-219 q=807 ncpus=4) [ 7146.159710] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7146.159781] Workqueue: mld mld_ifc_work [ 7146.159811] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7146.159846] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 7146.159947] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 7146.159982] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 7146.160030] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 7146.160079] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 7146.160128] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 7146.160178] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 7146.160227] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 7146.160276] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7146.160317] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 7146.160366] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7146.160414] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7146.160461] PKRU: 55555554 [ 7146.160482] Call Trace: [ 7146.160503] [ 7146.160522] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 7146.160561] ? 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) [ 7146.160595] ? notifier_call_chain (kernel/notifier.c:93) [ 7146.160631] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 7146.160673] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 7146.160709] ? 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) [ 7146.160744] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 7146.160779] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 7146.160806] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 7146.160841] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 7146.160875] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7146.160911] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7146.160945] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7146.160979] [ 7146.160998] [ 7146.161012] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7146.161045] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7146.161072] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 7146.161107] netdev_core_pick_tx (net/core/dev.c:4211) [ 7146.161134] __dev_queue_xmit (net/core/dev.c:4295) [ 7146.161162] ? eth_header (net/ethernet/eth.c:85) [ 7146.161189] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7146.161217] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7146.161251] mld_sendpack (net/ipv6/mcast.c:1822) [ 7146.161278] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7146.161305] process_one_work (kernel/workqueue.c:3254) [ 7146.161332] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7146.161367] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7146.161395] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7146.161428] kthread (kernel/kthread.c:388) [ 7146.161456] ? __pfx_kthread (kernel/kthread.c:341) [ 7146.161483] ret_from_fork (arch/x86/kernel/process.c:147) [ 7146.161510] ? __pfx_kthread (kernel/kthread.c:341) [ 7146.161537] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7146.161565] | [ 7209.162395] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 7209.162564] rcu: 1-....: (7206854 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1637228 | [ 7209.162635] rcu: (t=7203342 jiffies g=-219 q=807 ncpus=4) [ 7209.162718] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7209.162789] Workqueue: mld mld_ifc_work [ 7209.162824] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7209.162868] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 7209.162976] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 7209.163010] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 7209.163058] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 7209.163104] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 7209.163154] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 7209.163202] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 7209.163252] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 7209.163301] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7209.163342] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 7209.163393] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7209.163441] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7209.163491] PKRU: 55555554 [ 7209.163511] Call Trace: [ 7209.163535] [ 7209.163562] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 7209.163608] ? 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) [ 7209.163642] ? notifier_call_chain (kernel/notifier.c:93) [ 7209.163677] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 7209.163716] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 7209.163750] ? 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) [ 7209.163786] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 7209.163825] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 7209.163851] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 7209.163887] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 7209.163921] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7209.163955] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7209.163990] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7209.164024] [ 7209.164044] [ 7209.164064] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7209.164099] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7209.164125] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 7209.164158] netdev_core_pick_tx (net/core/dev.c:4211) [ 7209.164189] __dev_queue_xmit (net/core/dev.c:4295) [ 7209.164217] ? eth_header (net/ethernet/eth.c:85) [ 7209.164244] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7209.164271] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7209.164305] mld_sendpack (net/ipv6/mcast.c:1822) [ 7209.164333] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7209.164359] process_one_work (kernel/workqueue.c:3254) [ 7209.164390] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7209.164423] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7209.164450] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7209.164485] kthread (kernel/kthread.c:388) [ 7209.164513] ? __pfx_kthread (kernel/kthread.c:341) [ 7209.164540] ret_from_fork (arch/x86/kernel/process.c:147) [ 7209.164567] ? __pfx_kthread (kernel/kthread.c:341) [ 7209.164594] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7210.042407] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 7163389 jiffies s: 77 root: 0x2/. | [ 7210.042600] rcu: blocking rcu_node structures (internal RCU debug): | [ 7210.042659] Sending NMI from CPU 2 to CPUs 1: | [ 7210.042703] NMI backtrace for cpu 1 [ 7210.042707] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7210.042708] Workqueue: mld mld_ifc_work [ 7210.042711] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7210.042712] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 7210.042714] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 7210.042715] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 7210.042715] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 7210.042716] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 7210.042717] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 7210.042717] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 7210.042719] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 7210.042720] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7210.042721] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 7210.042722] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7210.042722] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7210.042723] PKRU: 55555554 [ 7210.042723] Call Trace: [ 7210.042724] [ 7210.042725] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 7210.042727] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 7210.042730] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 7210.042734] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 7210.042736] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 7210.042737] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 7210.042739] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7210.042741] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7210.042742] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7210.042744] [ 7210.042744] [ 7210.042745] netdev_core_pick_tx (net/core/dev.c:4211) [ 7210.042747] __dev_queue_xmit (net/core/dev.c:4295) [ 7210.042749] ? eth_header (net/ethernet/eth.c:85) [ 7210.042751] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7210.042754] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7210.042756] mld_sendpack (net/ipv6/mcast.c:1822) [ 7210.042758] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7210.042760] process_one_work (kernel/workqueue.c:3254) [ 7210.042762] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7210.042764] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7210.042766] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7210.042767] kthread (kernel/kthread.c:388) [ 7210.042768] ? __pfx_kthread (kernel/kthread.c:341) [ 7210.042770] ret_from_fork (arch/x86/kernel/process.c:147) [ 7210.042771] ? __pfx_kthread (kernel/kthread.c:341) [ 7210.042773] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7210.042775] | [ 7272.165387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 7272.165495] rcu: 1-....: (7269856 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1651035 | [ 7272.165563] rcu: (t=7266345 jiffies g=-219 q=807 ncpus=4) [ 7272.165646] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7272.165723] Workqueue: mld mld_ifc_work [ 7272.165760] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7272.165799] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 7272.165905] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 7272.165939] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 7272.165988] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 7272.166037] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 7272.166086] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 7272.166135] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 7272.166186] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 7272.166238] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7272.166279] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 7272.166329] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7272.166377] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7272.166427] PKRU: 55555554 [ 7272.166448] Call Trace: [ 7272.166469] [ 7272.166488] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 7272.166528] ? 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) [ 7272.166561] ? notifier_call_chain (kernel/notifier.c:93) [ 7272.166595] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 7272.166630] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 7272.166664] ? 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) [ 7272.166706] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 7272.166747] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 7272.166774] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 7272.166810] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 7272.166845] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7272.166880] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7272.166915] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7272.166950] [ 7272.166970] [ 7272.166991] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7272.167026] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7272.167053] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 7272.167087] netdev_core_pick_tx (net/core/dev.c:4211) [ 7272.167119] __dev_queue_xmit (net/core/dev.c:4295) [ 7272.167146] ? eth_header (net/ethernet/eth.c:85) [ 7272.167177] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7272.167209] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7272.167243] mld_sendpack (net/ipv6/mcast.c:1822) [ 7272.167272] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7272.167298] process_one_work (kernel/workqueue.c:3254) [ 7272.167326] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7272.167360] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7272.167387] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7272.167422] kthread (kernel/kthread.c:388) [ 7272.167450] ? __pfx_kthread (kernel/kthread.c:341) [ 7272.167477] ret_from_fork (arch/x86/kernel/process.c:147) [ 7272.167505] ? __pfx_kthread (kernel/kthread.c:341) [ 7272.167532] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7275.578393] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 7228925 jiffies s: 77 root: 0x2/. | [ 7275.578508] rcu: blocking rcu_node structures (internal RCU debug): | [ 7275.578550] Sending NMI from CPU 2 to CPUs 1: | [ 7275.578591] NMI backtrace for cpu 1 [ 7275.578595] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7275.578597] Workqueue: mld mld_ifc_work [ 7275.578599] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 7275.578602] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 7275.578603] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 7275.578604] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 7275.578605] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 7275.578606] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 7275.578607] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 7275.578607] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 7275.578609] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 7275.578610] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7275.578611] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 7275.578612] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7275.578613] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7275.578614] PKRU: 55555554 [ 7275.578614] Call Trace: [ 7275.578615] [ 7275.578617] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 7275.578619] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 7275.578622] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 7275.578626] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 7275.578628] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 7275.578629] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 7275.578631] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 7275.578633] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 7275.578634] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 7275.578636] [ 7275.578636] [ 7275.578637] netdev_core_pick_tx (net/core/dev.c:4211) [ 7275.578639] __dev_queue_xmit (net/core/dev.c:4295) [ 7275.578641] ? eth_header (net/ethernet/eth.c:85) [ 7275.578643] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7275.578646] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7275.578648] mld_sendpack (net/ipv6/mcast.c:1822) [ 7275.578651] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7275.578653] process_one_work (kernel/workqueue.c:3254) [ 7275.578655] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7275.578657] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7275.578658] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7275.578660] kthread (kernel/kthread.c:388) [ 7275.578662] ? __pfx_kthread (kernel/kthread.c:341) [ 7275.578663] ret_from_fork (arch/x86/kernel/process.c:147) [ 7275.578665] ? __pfx_kthread (kernel/kthread.c:341) [ 7275.578666] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7275.578669] | [ 7335.168386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 7335.168485] rcu: 1-....: (7332858 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1664441 | [ 7335.168553] rcu: (t=7329348 jiffies g=-219 q=807 ncpus=4) [ 7335.168634] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7335.168712] Workqueue: mld mld_ifc_work [ 7335.168746] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7335.168788] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 7335.168891] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 7335.168924] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 7335.168971] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 7335.169019] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 7335.169068] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 7335.169116] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 7335.169167] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 7335.169218] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7335.169258] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 7335.169309] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7335.169357] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7335.169406] PKRU: 55555554 [ 7335.169426] Call Trace: [ 7335.169448] [ 7335.169468] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 7335.169507] ? 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) [ 7335.169542] ? notifier_call_chain (kernel/notifier.c:93) [ 7335.169577] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 7335.169611] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 7335.169646] ? 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) [ 7335.169685] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 7335.169721] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 7335.169748] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 7335.169782] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 7335.169819] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7335.169853] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7335.169886] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7335.169924] [ 7335.169943] [ 7335.169963] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7335.169997] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7335.170023] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 7335.170056] netdev_core_pick_tx (net/core/dev.c:4211) [ 7335.170083] __dev_queue_xmit (net/core/dev.c:4295) [ 7335.170109] ? eth_header (net/ethernet/eth.c:85) [ 7335.170139] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7335.170170] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7335.170204] mld_sendpack (net/ipv6/mcast.c:1822) [ 7335.170233] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7335.170259] process_one_work (kernel/workqueue.c:3254) [ 7335.170287] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7335.170321] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7335.170349] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7335.170383] kthread (kernel/kthread.c:388) [ 7335.170411] ? __pfx_kthread (kernel/kthread.c:341) [ 7335.170438] ret_from_fork (arch/x86/kernel/process.c:147) [ 7335.170471] ? __pfx_kthread (kernel/kthread.c:341) [ 7335.170498] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7341.113394] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 7294460 jiffies s: 77 root: 0x2/. | [ 7341.113511] rcu: blocking rcu_node structures (internal RCU debug): | [ 7341.113550] Sending NMI from CPU 2 to CPUs 1: | [ 7341.113588] NMI backtrace for cpu 1 [ 7341.113593] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7341.113594] Workqueue: mld mld_ifc_work [ 7341.113598] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7341.113600] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 7341.113602] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 7341.113603] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 7341.113604] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 7341.113604] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 7341.113605] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 7341.113606] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 7341.113609] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 7341.113610] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7341.113611] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 7341.113612] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7341.113613] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7341.113613] PKRU: 55555554 [ 7341.113614] Call Trace: [ 7341.113615] [ 7341.113616] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 7341.113619] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 7341.113623] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 7341.113627] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 7341.113629] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 7341.113630] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 7341.113633] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7341.113634] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7341.113636] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7341.113638] [ 7341.113638] [ 7341.113638] netdev_core_pick_tx (net/core/dev.c:4211) [ 7341.113642] __dev_queue_xmit (net/core/dev.c:4295) [ 7341.113644] ? eth_header (net/ethernet/eth.c:85) [ 7341.113646] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7341.113649] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7341.113651] mld_sendpack (net/ipv6/mcast.c:1822) [ 7341.113653] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7341.113656] process_one_work (kernel/workqueue.c:3254) [ 7341.113658] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7341.113659] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7341.113661] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7341.113663] kthread (kernel/kthread.c:388) [ 7341.113664] ? __pfx_kthread (kernel/kthread.c:341) [ 7341.113666] ret_from_fork (arch/x86/kernel/process.c:147) [ 7341.113668] ? __pfx_kthread (kernel/kthread.c:341) [ 7341.113669] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7341.113672] | [ 7398.171387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 7398.171496] rcu: 1-....: (7395860 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1678662 | [ 7398.171568] rcu: (t=7392351 jiffies g=-219 q=807 ncpus=4) [ 7398.171650] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7398.171721] Workqueue: mld mld_ifc_work [ 7398.171761] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 7398.171800] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 7398.171905] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 7398.171939] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 7398.171989] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 7398.172038] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 7398.172087] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 7398.172137] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 7398.172188] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 7398.172240] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7398.172281] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 7398.172332] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7398.172380] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7398.172429] PKRU: 55555554 [ 7398.172448] Call Trace: [ 7398.172465] [ 7398.172491] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 7398.172529] ? 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) [ 7398.172563] ? notifier_call_chain (kernel/notifier.c:93) [ 7398.172598] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 7398.172632] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 7398.172667] ? 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) [ 7398.172702] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 7398.172743] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 7398.172771] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 7398.172805] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 7398.172840] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7398.172874] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7398.172907] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7398.172942] [ 7398.172962] [ 7398.172983] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7398.173017] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 7398.173045] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 7398.173078] netdev_core_pick_tx (net/core/dev.c:4211) [ 7398.173107] __dev_queue_xmit (net/core/dev.c:4295) [ 7398.173133] ? eth_header (net/ethernet/eth.c:85) [ 7398.173161] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7398.173189] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7398.173222] mld_sendpack (net/ipv6/mcast.c:1822) [ 7398.173250] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7398.173277] process_one_work (kernel/workqueue.c:3254) [ 7398.173304] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7398.173339] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7398.173367] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7398.173401] kthread (kernel/kthread.c:388) [ 7398.173429] ? __pfx_kthread (kernel/kthread.c:341) [ 7398.173455] ret_from_fork (arch/x86/kernel/process.c:147) [ 7398.173483] ? __pfx_kthread (kernel/kthread.c:341) [ 7398.173510] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7406.649392] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 7359996 jiffies s: 77 root: 0x2/. | [ 7406.649508] rcu: blocking rcu_node structures (internal RCU debug): | [ 7406.649547] Sending NMI from CPU 2 to CPUs 1: | [ 7406.649585] NMI backtrace for cpu 1 [ 7406.649599] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7406.649600] Workqueue: mld mld_ifc_work [ 7406.649605] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 7406.649608] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 7406.649609] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 7406.649611] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 7406.649612] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 7406.649612] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 7406.649613] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 7406.649614] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 7406.649616] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 7406.649617] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7406.649618] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 7406.649619] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7406.649619] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7406.649620] PKRU: 55555554 [ 7406.649621] Call Trace: [ 7406.649622] [ 7406.649624] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 7406.649626] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 7406.649631] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 7406.649635] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 7406.649637] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 7406.649638] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 7406.649641] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 7406.649643] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 7406.649644] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 7406.649645] [ 7406.649646] [ 7406.649646] netdev_core_pick_tx (net/core/dev.c:4211) [ 7406.649650] __dev_queue_xmit (net/core/dev.c:4295) [ 7406.649652] ? eth_header (net/ethernet/eth.c:85) [ 7406.649655] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7406.649658] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7406.649660] mld_sendpack (net/ipv6/mcast.c:1822) [ 7406.649663] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7406.649665] process_one_work (kernel/workqueue.c:3254) [ 7406.649668] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7406.649669] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7406.649671] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7406.649673] kthread (kernel/kthread.c:388) [ 7406.649675] ? __pfx_kthread (kernel/kthread.c:341) [ 7406.649676] ret_from_fork (arch/x86/kernel/process.c:147) [ 7406.649679] ? __pfx_kthread (kernel/kthread.c:341) [ 7406.649680] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7406.649683] | [ 7461.174386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 7461.174556] rcu: 1-....: (7458862 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1692112 | [ 7461.174626] rcu: (t=7455354 jiffies g=-219 q=807 ncpus=4) [ 7461.174705] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7461.174775] Workqueue: mld mld_ifc_work [ 7461.174809] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7461.174848] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 7461.174954] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 7461.174983] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 7461.175031] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 7461.175078] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 7461.175127] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 7461.175176] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 7461.175226] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 7461.175278] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7461.175319] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 7461.175369] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7461.175419] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7461.175467] PKRU: 55555554 [ 7461.175487] Call Trace: [ 7461.175509] [ 7461.175530] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 7461.175570] ? 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) [ 7461.175604] ? notifier_call_chain (kernel/notifier.c:93) [ 7461.175638] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 7461.175672] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 7461.175707] ? 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) [ 7461.175742] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 7461.175777] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 7461.175804] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 7461.175838] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 7461.175873] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7461.175908] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7461.175942] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7461.175977] [ 7461.175997] [ 7461.176017] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7461.176052] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7461.176078] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 7461.176117] netdev_core_pick_tx (net/core/dev.c:4211) [ 7461.176144] __dev_queue_xmit (net/core/dev.c:4295) [ 7461.176170] ? eth_header (net/ethernet/eth.c:85) [ 7461.176200] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7461.176228] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7461.176262] mld_sendpack (net/ipv6/mcast.c:1822) [ 7461.176290] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7461.176317] process_one_work (kernel/workqueue.c:3254) [ 7461.176350] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7461.176383] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7461.176411] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7461.176445] kthread (kernel/kthread.c:388) [ 7461.176472] ? __pfx_kthread (kernel/kthread.c:341) [ 7461.176499] ret_from_fork (arch/x86/kernel/process.c:147) [ 7461.176527] ? __pfx_kthread (kernel/kthread.c:341) [ 7461.176554] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7472.186392] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 7425533 jiffies s: 77 root: 0x2/. | [ 7472.186569] rcu: blocking rcu_node structures (internal RCU debug): | [ 7472.186607] Sending NMI from CPU 2 to CPUs 1: | [ 7472.186645] NMI backtrace for cpu 1 [ 7472.186651] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7472.186652] Workqueue: mld mld_ifc_work [ 7472.186656] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 7472.186658] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 7472.186659] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 7472.186660] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 7472.186661] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 7472.186661] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 7472.186662] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 7472.186663] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 7472.186665] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 7472.186666] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7472.186667] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 7472.186668] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7472.186669] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7472.186669] PKRU: 55555554 [ 7472.186670] Call Trace: [ 7472.186672] [ 7472.186673] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 7472.186676] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 7472.186679] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 7472.186683] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 7472.186685] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 7472.186686] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 7472.186689] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 7472.186691] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 7472.186692] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 7472.186694] [ 7472.186694] [ 7472.186695] netdev_core_pick_tx (net/core/dev.c:4211) [ 7472.186698] __dev_queue_xmit (net/core/dev.c:4295) [ 7472.186700] ? eth_header (net/ethernet/eth.c:85) [ 7472.186703] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7472.186706] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7472.186709] mld_sendpack (net/ipv6/mcast.c:1822) [ 7472.186711] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7472.186713] process_one_work (kernel/workqueue.c:3254) [ 7472.186716] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7472.186717] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7472.186719] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7472.186721] kthread (kernel/kthread.c:388) [ 7472.186723] ? __pfx_kthread (kernel/kthread.c:341) [ 7472.186724] ret_from_fork (arch/x86/kernel/process.c:147) [ 7472.186727] ? __pfx_kthread (kernel/kthread.c:341) [ 7472.186728] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7472.186731] | [ 7524.177387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 7524.177505] rcu: 1-....: (7521864 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1705817 | [ 7524.177574] rcu: (t=7518357 jiffies g=-219 q=807 ncpus=4) [ 7524.177654] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7524.177725] Workqueue: mld mld_ifc_work [ 7524.177760] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7524.177798] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 7524.177903] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 7524.177937] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 7524.177986] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 7524.178034] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 7524.178084] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 7524.178133] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 7524.178183] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 7524.178235] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7524.178275] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 7524.178325] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7524.178373] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7524.178426] PKRU: 55555554 [ 7524.178446] Call Trace: [ 7524.178461] [ 7524.178480] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 7524.178517] ? 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) [ 7524.178551] ? notifier_call_chain (kernel/notifier.c:93) [ 7524.178586] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 7524.178624] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 7524.178658] ? 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) [ 7524.178693] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 7524.178732] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 7524.178759] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 7524.178794] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 7524.178828] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7524.178864] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7524.178898] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7524.178940] [ 7524.178960] [ 7524.178980] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7524.179016] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7524.179044] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 7524.179078] netdev_core_pick_tx (net/core/dev.c:4211) [ 7524.179107] __dev_queue_xmit (net/core/dev.c:4295) [ 7524.179133] ? eth_header (net/ethernet/eth.c:85) [ 7524.179161] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7524.179193] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7524.179229] mld_sendpack (net/ipv6/mcast.c:1822) [ 7524.179257] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7524.179284] process_one_work (kernel/workqueue.c:3254) [ 7524.179314] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7524.179348] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7524.179375] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7524.179413] kthread (kernel/kthread.c:388) [ 7524.179442] ? __pfx_kthread (kernel/kthread.c:341) [ 7524.179469] ret_from_fork (arch/x86/kernel/process.c:147) [ 7524.179497] ? __pfx_kthread (kernel/kthread.c:341) [ 7524.179524] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7537.721398] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 7491068 jiffies s: 77 root: 0x2/. | [ 7537.721518] rcu: blocking rcu_node structures (internal RCU debug): | [ 7537.721556] Sending NMI from CPU 2 to CPUs 1: | [ 7537.721593] NMI backtrace for cpu 1 [ 7537.721599] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7537.721600] Workqueue: mld mld_ifc_work [ 7537.721604] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7537.721607] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 7537.721608] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 7537.721610] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 7537.721611] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 7537.721611] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 7537.721612] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 7537.721613] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 7537.721616] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 7537.721617] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7537.721618] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 7537.721618] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7537.721619] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7537.721620] PKRU: 55555554 [ 7537.721620] Call Trace: [ 7537.721622] [ 7537.721623] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 7537.721626] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 7537.721629] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 7537.721634] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 7537.721636] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 7537.721637] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 7537.721640] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7537.721642] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7537.721643] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7537.721645] [ 7537.721645] [ 7537.721646] netdev_core_pick_tx (net/core/dev.c:4211) [ 7537.721649] __dev_queue_xmit (net/core/dev.c:4295) [ 7537.721651] ? eth_header (net/ethernet/eth.c:85) [ 7537.721654] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7537.721657] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7537.721660] mld_sendpack (net/ipv6/mcast.c:1822) [ 7537.721662] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7537.721664] process_one_work (kernel/workqueue.c:3254) [ 7537.721667] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7537.721669] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7537.721671] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7537.721672] kthread (kernel/kthread.c:388) [ 7537.721674] ? __pfx_kthread (kernel/kthread.c:341) [ 7537.721675] ret_from_fork (arch/x86/kernel/process.c:147) [ 7537.721678] ? __pfx_kthread (kernel/kthread.c:341) [ 7537.721679] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7537.721682] | [ 7587.180387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 7587.180488] rcu: 1-....: (7584866 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1720092 | [ 7587.180555] rcu: (t=7581360 jiffies g=-219 q=807 ncpus=4) [ 7587.180635] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7587.180713] Workqueue: mld mld_ifc_work [ 7587.180749] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7587.180788] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 7587.180891] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 7587.180924] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 7587.180971] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 7587.181019] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 7587.181067] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 7587.181116] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 7587.181166] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 7587.181218] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7587.181258] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 7587.181308] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7587.181356] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7587.181409] PKRU: 55555554 [ 7587.181430] Call Trace: [ 7587.181446] [ 7587.181466] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 7587.181514] ? 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) [ 7587.181548] ? notifier_call_chain (kernel/notifier.c:93) [ 7587.181583] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 7587.181617] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 7587.181652] ? 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) [ 7587.181694] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 7587.181732] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 7587.181760] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 7587.181795] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 7587.181830] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7587.181864] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7587.181898] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7587.181933] [ 7587.181947] [ 7587.181961] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7587.181996] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7587.182023] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 7587.182056] netdev_core_pick_tx (net/core/dev.c:4211) [ 7587.182084] __dev_queue_xmit (net/core/dev.c:4295) [ 7587.182110] ? eth_header (net/ethernet/eth.c:85) [ 7587.182138] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7587.182165] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7587.182201] mld_sendpack (net/ipv6/mcast.c:1822) [ 7587.182228] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7587.182255] process_one_work (kernel/workqueue.c:3254) [ 7587.182283] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7587.182317] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7587.182367] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7587.182406] kthread (kernel/kthread.c:388) [ 7587.182434] ? __pfx_kthread (kernel/kthread.c:341) [ 7587.182463] ret_from_fork (arch/x86/kernel/process.c:147) [ 7587.182490] ? __pfx_kthread (kernel/kthread.c:341) [ 7587.182517] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7603.258394] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 7556605 jiffies s: 77 root: 0x2/. | [ 7603.258513] rcu: blocking rcu_node structures (internal RCU debug): | [ 7603.258551] Sending NMI from CPU 2 to CPUs 1: | [ 7603.258589] NMI backtrace for cpu 1 [ 7603.258596] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7603.258598] Workqueue: mld mld_ifc_work [ 7603.258604] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7603.258608] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 7603.258610] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 7603.258611] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 7603.258612] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 7603.258613] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 7603.258614] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 7603.258615] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 7603.258618] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 7603.258619] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7603.258620] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 7603.258621] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7603.258622] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7603.258622] PKRU: 55555554 [ 7603.258623] Call Trace: [ 7603.258625] [ 7603.258627] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 7603.258630] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 7603.258634] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 7603.258638] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 7603.258640] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 7603.258641] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 7603.258645] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7603.258646] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7603.258648] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7603.258649] [ 7603.258650] [ 7603.258650] netdev_core_pick_tx (net/core/dev.c:4211) [ 7603.258654] __dev_queue_xmit (net/core/dev.c:4295) [ 7603.258656] ? eth_header (net/ethernet/eth.c:85) [ 7603.258659] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7603.258663] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7603.258666] mld_sendpack (net/ipv6/mcast.c:1822) [ 7603.258669] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7603.258671] process_one_work (kernel/workqueue.c:3254) [ 7603.258674] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7603.258676] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7603.258678] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7603.258680] kthread (kernel/kthread.c:388) [ 7603.258682] ? __pfx_kthread (kernel/kthread.c:341) [ 7603.258683] ret_from_fork (arch/x86/kernel/process.c:147) [ 7603.258687] ? __pfx_kthread (kernel/kthread.c:341) [ 7603.258688] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7603.258692] | [ 7650.183412] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 7650.183520] rcu: 1-....: (7647868 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1734291 | [ 7650.183588] rcu: (t=7644363 jiffies g=-219 q=807 ncpus=4) [ 7650.183670] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7650.183741] Workqueue: mld mld_ifc_work [ 7650.183775] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 7650.183813] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 7650.183919] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 7650.183954] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 7650.184002] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 7650.184051] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 7650.184101] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 7650.184149] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 7650.184201] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 7650.184250] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7650.184290] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 7650.184341] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7650.184391] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7650.184436] PKRU: 55555554 [ 7650.184456] Call Trace: [ 7650.184470] [ 7650.184490] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 7650.184531] ? 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) [ 7650.184565] ? notifier_call_chain (kernel/notifier.c:93) [ 7650.184599] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 7650.184634] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 7650.184668] ? 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) [ 7650.184703] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 7650.184740] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 7650.184767] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 7650.184802] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 7650.184836] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7650.184872] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7650.184906] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7650.184941] [ 7650.184961] [ 7650.184981] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7650.185017] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 7650.185045] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 7650.185078] netdev_core_pick_tx (net/core/dev.c:4211) [ 7650.185109] __dev_queue_xmit (net/core/dev.c:4295) [ 7650.185136] ? eth_header (net/ethernet/eth.c:85) [ 7650.185167] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7650.185194] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7650.185228] mld_sendpack (net/ipv6/mcast.c:1822) [ 7650.185255] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7650.185283] process_one_work (kernel/workqueue.c:3254) [ 7650.185310] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7650.185344] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7650.185372] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7650.185411] kthread (kernel/kthread.c:388) [ 7650.185439] ? __pfx_kthread (kernel/kthread.c:341) [ 7650.185466] ret_from_fork (arch/x86/kernel/process.c:147) [ 7650.185493] ? __pfx_kthread (kernel/kthread.c:341) [ 7650.185520] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7668.793395] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 7622140 jiffies s: 77 root: 0x2/. | [ 7668.793511] rcu: blocking rcu_node structures (internal RCU debug): | [ 7668.793548] Sending NMI from CPU 2 to CPUs 1: | [ 7668.793587] NMI backtrace for cpu 1 [ 7668.793593] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7668.793595] Workqueue: mld mld_ifc_work [ 7668.793599] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7668.793602] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 7668.793604] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 7668.793605] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 7668.793606] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 7668.793607] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 7668.793608] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 7668.793608] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 7668.793611] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 7668.793612] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7668.793613] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 7668.793614] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7668.793615] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7668.793616] PKRU: 55555554 [ 7668.793616] Call Trace: [ 7668.793617] [ 7668.793619] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 7668.793622] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 7668.793626] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 7668.793630] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 7668.793633] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 7668.793634] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 7668.793637] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7668.793639] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7668.793640] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7668.793642] [ 7668.793642] [ 7668.793643] netdev_core_pick_tx (net/core/dev.c:4211) [ 7668.793647] __dev_queue_xmit (net/core/dev.c:4295) [ 7668.793649] ? eth_header (net/ethernet/eth.c:85) [ 7668.793651] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7668.793655] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7668.793657] mld_sendpack (net/ipv6/mcast.c:1822) [ 7668.793660] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7668.793662] process_one_work (kernel/workqueue.c:3254) [ 7668.793665] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7668.793667] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7668.793669] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7668.793671] kthread (kernel/kthread.c:388) [ 7668.793673] ? __pfx_kthread (kernel/kthread.c:341) [ 7668.793674] ret_from_fork (arch/x86/kernel/process.c:147) [ 7668.793677] ? __pfx_kthread (kernel/kthread.c:341) [ 7668.793679] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7668.793682] | [ 7713.186399] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 7713.186513] rcu: 1-....: (7710870 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1748367 | [ 7713.186582] rcu: (t=7707366 jiffies g=-219 q=807 ncpus=4) [ 7713.186667] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7713.186740] Workqueue: mld mld_ifc_work [ 7713.186776] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7713.186816] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 7713.186923] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 7713.186955] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 7713.187003] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 7713.187052] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 7713.187101] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 7713.187149] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 7713.187199] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 7713.187250] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7713.187291] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 7713.187342] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7713.187392] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7713.187438] PKRU: 55555554 [ 7713.187459] Call Trace: [ 7713.187483] [ 7713.187510] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 7713.187551] ? 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) [ 7713.187585] ? notifier_call_chain (kernel/notifier.c:93) [ 7713.187620] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 7713.187655] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 7713.187689] ? 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) [ 7713.187724] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 7713.187763] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 7713.187795] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 7713.187829] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 7713.187865] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7713.187900] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7713.187935] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7713.187969] [ 7713.187990] [ 7713.188009] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7713.188043] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7713.188069] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 7713.188102] netdev_core_pick_tx (net/core/dev.c:4211) [ 7713.188130] __dev_queue_xmit (net/core/dev.c:4295) [ 7713.188157] ? eth_header (net/ethernet/eth.c:85) [ 7713.188187] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7713.188219] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7713.188257] mld_sendpack (net/ipv6/mcast.c:1822) [ 7713.188284] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7713.188311] process_one_work (kernel/workqueue.c:3254) [ 7713.188338] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7713.188373] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7713.188406] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7713.188441] kthread (kernel/kthread.c:388) [ 7713.188468] ? __pfx_kthread (kernel/kthread.c:341) [ 7713.188495] ret_from_fork (arch/x86/kernel/process.c:147) [ 7713.188527] ? __pfx_kthread (kernel/kthread.c:341) [ 7713.188555] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7734.329403] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 7687676 jiffies s: 77 root: 0x2/. | [ 7734.329595] rcu: blocking rcu_node structures (internal RCU debug): | [ 7734.329635] Sending NMI from CPU 2 to CPUs 1: | [ 7734.329684] NMI backtrace for cpu 1 [ 7734.329691] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7734.329693] Workqueue: mld mld_ifc_work [ 7734.329699] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7734.329703] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 7734.329705] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 7734.329706] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 7734.329707] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 7734.329708] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 7734.329709] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 7734.329710] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 7734.329712] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 7734.329713] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7734.329714] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 7734.329715] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7734.329716] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7734.329716] PKRU: 55555554 [ 7734.329717] Call Trace: [ 7734.329718] [ 7734.329720] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 7734.329723] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 7734.329727] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 7734.329731] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 7734.329733] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 7734.329735] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 7734.329738] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7734.329740] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7734.329741] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7734.329743] [ 7734.329743] [ 7734.329744] netdev_core_pick_tx (net/core/dev.c:4211) [ 7734.329748] __dev_queue_xmit (net/core/dev.c:4295) [ 7734.329750] ? eth_header (net/ethernet/eth.c:85) [ 7734.329754] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7734.329757] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7734.329760] mld_sendpack (net/ipv6/mcast.c:1822) [ 7734.329763] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7734.329765] process_one_work (kernel/workqueue.c:3254) [ 7734.329768] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7734.329770] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7734.329771] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7734.329773] kthread (kernel/kthread.c:388) [ 7734.329775] ? __pfx_kthread (kernel/kthread.c:341) [ 7734.329776] ret_from_fork (arch/x86/kernel/process.c:147) [ 7734.329779] ? __pfx_kthread (kernel/kthread.c:341) [ 7734.329780] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7734.329784] | [ 7776.189386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 7776.189560] rcu: 1-....: (7773872 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1761968 | [ 7776.189633] rcu: (t=7770369 jiffies g=-219 q=807 ncpus=4) [ 7776.189719] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7776.189790] Workqueue: mld mld_ifc_work [ 7776.189827] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7776.189866] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 7776.189972] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 7776.190007] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 7776.190055] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 7776.190104] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 7776.190153] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 7776.190202] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 7776.190252] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 7776.190304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7776.190344] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 7776.190409] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7776.190456] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7776.190504] PKRU: 55555554 [ 7776.190524] Call Trace: [ 7776.190538] [ 7776.190558] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 7776.190595] ? 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) [ 7776.190631] ? notifier_call_chain (kernel/notifier.c:93) [ 7776.190665] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 7776.190699] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 7776.190733] ? 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) [ 7776.190767] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 7776.190802] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 7776.190828] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 7776.190863] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 7776.190897] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7776.190931] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7776.190965] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7776.190999] [ 7776.191019] [ 7776.191039] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7776.191073] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7776.191101] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 7776.191135] netdev_core_pick_tx (net/core/dev.c:4211) [ 7776.191163] __dev_queue_xmit (net/core/dev.c:4295) [ 7776.191190] ? eth_header (net/ethernet/eth.c:85) [ 7776.191217] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7776.191244] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7776.191279] mld_sendpack (net/ipv6/mcast.c:1822) [ 7776.191306] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7776.191333] process_one_work (kernel/workqueue.c:3254) [ 7776.191361] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7776.191396] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7776.191423] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7776.191457] kthread (kernel/kthread.c:388) [ 7776.191485] ? __pfx_kthread (kernel/kthread.c:341) [ 7776.191513] ret_from_fork (arch/x86/kernel/process.c:147) [ 7776.191540] ? __pfx_kthread (kernel/kthread.c:341) [ 7776.191566] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7799.865392] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 7753212 jiffies s: 77 root: 0x2/. | [ 7799.865572] rcu: blocking rcu_node structures (internal RCU debug): | [ 7799.865616] Sending NMI from CPU 2 to CPUs 1: | [ 7799.865655] NMI backtrace for cpu 1 [ 7799.865662] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7799.865664] Workqueue: mld mld_ifc_work [ 7799.865671] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7799.865675] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 7799.865677] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 7799.865678] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 7799.865679] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 7799.865680] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 7799.865680] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 7799.865681] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 7799.865684] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 7799.865685] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7799.865686] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 7799.865687] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7799.865687] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7799.865688] PKRU: 55555554 [ 7799.865688] Call Trace: [ 7799.865690] [ 7799.865692] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 7799.865695] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 7799.865698] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 7799.865702] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 7799.865704] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 7799.865705] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 7799.865709] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7799.865710] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7799.865711] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7799.865713] [ 7799.865713] [ 7799.865714] netdev_core_pick_tx (net/core/dev.c:4211) [ 7799.865718] __dev_queue_xmit (net/core/dev.c:4295) [ 7799.865720] ? eth_header (net/ethernet/eth.c:85) [ 7799.865724] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7799.865728] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7799.865730] mld_sendpack (net/ipv6/mcast.c:1822) [ 7799.865733] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7799.865735] process_one_work (kernel/workqueue.c:3254) [ 7799.865738] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7799.865739] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7799.865741] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7799.865742] kthread (kernel/kthread.c:388) [ 7799.865744] ? __pfx_kthread (kernel/kthread.c:341) [ 7799.865745] ret_from_fork (arch/x86/kernel/process.c:147) [ 7799.865748] ? __pfx_kthread (kernel/kthread.c:341) [ 7799.865749] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7799.865752] | [ 7839.192386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 7839.192488] rcu: 1-....: (7836874 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1776016 | [ 7839.192556] rcu: (t=7833372 jiffies g=-219 q=807 ncpus=4) [ 7839.192636] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7839.192711] Workqueue: mld mld_ifc_work [ 7839.192745] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7839.192785] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 7839.192888] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 7839.192922] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 7839.192970] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 7839.193018] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 7839.193069] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 7839.193117] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 7839.193167] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 7839.193219] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7839.193259] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 7839.193310] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7839.193358] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7839.193407] PKRU: 55555554 [ 7839.193428] Call Trace: [ 7839.193450] [ 7839.193471] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 7839.193510] ? 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) [ 7839.193544] ? notifier_call_chain (kernel/notifier.c:93) [ 7839.193583] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 7839.193619] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 7839.193654] ? 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) [ 7839.193688] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 7839.193729] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 7839.193756] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 7839.193790] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 7839.193825] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7839.193859] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7839.193892] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7839.193926] [ 7839.193946] [ 7839.193966] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7839.194000] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7839.194025] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 7839.194059] netdev_core_pick_tx (net/core/dev.c:4211) [ 7839.194087] __dev_queue_xmit (net/core/dev.c:4295) [ 7839.194114] ? eth_header (net/ethernet/eth.c:85) [ 7839.194145] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7839.194177] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7839.194211] mld_sendpack (net/ipv6/mcast.c:1822) [ 7839.194240] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7839.194271] process_one_work (kernel/workqueue.c:3254) [ 7839.194301] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7839.194336] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7839.194364] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7839.194398] kthread (kernel/kthread.c:388) [ 7839.194426] ? __pfx_kthread (kernel/kthread.c:341) [ 7839.194454] ret_from_fork (arch/x86/kernel/process.c:147) [ 7839.194484] ? __pfx_kthread (kernel/kthread.c:341) [ 7839.194512] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7865.402396] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 7818749 jiffies s: 77 root: 0x2/. | [ 7865.402579] rcu: blocking rcu_node structures (internal RCU debug): | [ 7865.402618] Sending NMI from CPU 2 to CPUs 1: | [ 7865.402656] NMI backtrace for cpu 1 [ 7865.402667] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7865.402671] Workqueue: mld mld_ifc_work [ 7865.402681] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7865.402685] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 7865.402687] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 7865.402688] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 7865.402689] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 7865.402690] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 7865.402691] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 7865.402692] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 7865.402694] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 7865.402695] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7865.402696] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 7865.402697] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7865.402697] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7865.402698] PKRU: 55555554 [ 7865.402699] Call Trace: [ 7865.402702] [ 7865.402708] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 7865.402713] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 7865.402717] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 7865.402721] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 7865.402723] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 7865.402725] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 7865.402728] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7865.402730] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7865.402732] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7865.402733] [ 7865.402733] [ 7865.402734] netdev_core_pick_tx (net/core/dev.c:4211) [ 7865.402739] __dev_queue_xmit (net/core/dev.c:4295) [ 7865.402741] ? eth_header (net/ethernet/eth.c:85) [ 7865.402744] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7865.402748] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7865.402750] mld_sendpack (net/ipv6/mcast.c:1822) [ 7865.402753] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7865.402755] process_one_work (kernel/workqueue.c:3254) [ 7865.402759] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7865.402760] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7865.402762] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7865.402764] kthread (kernel/kthread.c:388) [ 7865.402767] ? __pfx_kthread (kernel/kthread.c:341) [ 7865.402768] ret_from_fork (arch/x86/kernel/process.c:147) [ 7865.402771] ? __pfx_kthread (kernel/kthread.c:341) [ 7865.402772] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7865.402776] | [ 7902.195386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 7902.195495] rcu: 1-....: (7899876 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1790218 | [ 7902.195564] rcu: (t=7896375 jiffies g=-219 q=807 ncpus=4) [ 7902.195650] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7902.195724] Workqueue: mld mld_ifc_work [ 7902.195759] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7902.195798] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 7902.195907] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 7902.195950] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 7902.196000] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 7902.196049] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 7902.196098] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 7902.196147] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 7902.196198] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 7902.196261] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7902.196305] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 7902.196357] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7902.196405] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7902.196452] PKRU: 55555554 [ 7902.196471] Call Trace: [ 7902.196487] [ 7902.196509] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 7902.196554] ? 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) [ 7902.196589] ? notifier_call_chain (kernel/notifier.c:93) [ 7902.196624] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 7902.196665] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 7902.196699] ? 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) [ 7902.196734] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 7902.196773] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 7902.196811] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 7902.196845] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 7902.196880] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7902.196914] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7902.196950] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7902.196984] [ 7902.197005] [ 7902.197020] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7902.197055] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7902.197083] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 7902.197127] netdev_core_pick_tx (net/core/dev.c:4211) [ 7902.197172] __dev_queue_xmit (net/core/dev.c:4295) [ 7902.197198] ? eth_header (net/ethernet/eth.c:85) [ 7902.197228] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7902.197257] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7902.197294] mld_sendpack (net/ipv6/mcast.c:1822) [ 7902.197332] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7902.197364] process_one_work (kernel/workqueue.c:3254) [ 7902.197396] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7902.197436] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7902.197472] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7902.197506] kthread (kernel/kthread.c:388) [ 7902.197533] ? __pfx_kthread (kernel/kthread.c:341) [ 7902.197561] ret_from_fork (arch/x86/kernel/process.c:147) [ 7902.197588] ? __pfx_kthread (kernel/kthread.c:341) [ 7902.197615] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7930.938394] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 7884284 jiffies s: 77 root: 0x2/. | [ 7930.938524] rcu: blocking rcu_node structures (internal RCU debug): | [ 7930.938561] Sending NMI from CPU 2 to CPUs 1: | [ 7930.938599] NMI backtrace for cpu 1 [ 7930.938607] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7930.938609] Workqueue: mld mld_ifc_work [ 7930.938616] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7930.938620] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 7930.938622] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 7930.938624] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 7930.938625] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 7930.938626] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 7930.938626] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 7930.938627] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 7930.938630] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 7930.938631] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7930.938632] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 7930.938633] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7930.938633] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7930.938634] PKRU: 55555554 [ 7930.938635] Call Trace: [ 7930.938637] [ 7930.938639] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 7930.938642] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 7930.938647] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 7930.938650] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 7930.938653] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 7930.938654] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 7930.938658] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7930.938659] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7930.938661] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7930.938662] [ 7930.938663] [ 7930.938663] netdev_core_pick_tx (net/core/dev.c:4211) [ 7930.938668] __dev_queue_xmit (net/core/dev.c:4295) [ 7930.938670] ? eth_header (net/ethernet/eth.c:85) [ 7930.938673] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7930.938677] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7930.938680] mld_sendpack (net/ipv6/mcast.c:1822) [ 7930.938683] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7930.938685] process_one_work (kernel/workqueue.c:3254) [ 7930.938689] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7930.938691] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7930.938693] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7930.938694] kthread (kernel/kthread.c:388) [ 7930.938697] ? __pfx_kthread (kernel/kthread.c:341) [ 7930.938698] ret_from_fork (arch/x86/kernel/process.c:147) [ 7930.938701] ? __pfx_kthread (kernel/kthread.c:341) [ 7930.938702] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7930.938707] | [ 7965.198403] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 7965.198510] rcu: 1-....: (7962878 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1804164 | [ 7965.198579] rcu: (t=7959378 jiffies g=-219 q=807 ncpus=4) [ 7965.198661] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7965.198732] Workqueue: mld mld_ifc_work [ 7965.198767] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7965.198806] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 7965.198909] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 7965.198942] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 7965.199002] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 7965.199052] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 7965.199101] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 7965.199149] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 7965.199200] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 7965.199255] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7965.199296] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 7965.199355] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7965.199415] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7965.199464] PKRU: 55555554 [ 7965.199484] Call Trace: [ 7965.199499] [ 7965.199520] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 7965.199559] ? 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) [ 7965.199593] ? notifier_call_chain (kernel/notifier.c:93) [ 7965.199627] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 7965.199662] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 7965.199700] ? 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) [ 7965.199741] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 7965.199797] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 7965.199825] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 7965.199860] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 7965.199896] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7965.199930] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7965.199967] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7965.200003] [ 7965.200023] [ 7965.200043] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7965.200080] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7965.200106] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 7965.200140] netdev_core_pick_tx (net/core/dev.c:4211) [ 7965.200170] __dev_queue_xmit (net/core/dev.c:4295) [ 7965.200196] ? eth_header (net/ethernet/eth.c:85) [ 7965.200227] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7965.200255] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7965.200289] mld_sendpack (net/ipv6/mcast.c:1822) [ 7965.200324] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7965.200351] process_one_work (kernel/workqueue.c:3254) [ 7965.200381] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7965.200415] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7965.200443] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7965.200477] kthread (kernel/kthread.c:388) [ 7965.200505] ? __pfx_kthread (kernel/kthread.c:341) [ 7965.200532] ret_from_fork (arch/x86/kernel/process.c:147) [ 7965.200560] ? __pfx_kthread (kernel/kthread.c:341) [ 7965.200587] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7996.473395] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 7949820 jiffies s: 77 root: 0x2/. | [ 7996.473532] rcu: blocking rcu_node structures (internal RCU debug): | [ 7996.473570] Sending NMI from CPU 2 to CPUs 1: | [ 7996.473608] NMI backtrace for cpu 1 [ 7996.473614] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7996.473617] Workqueue: mld mld_ifc_work [ 7996.473623] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7996.473627] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 7996.473628] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 7996.473630] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 7996.473631] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 7996.473632] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 7996.473633] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 7996.473633] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 7996.473636] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 7996.473637] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7996.473638] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 7996.473639] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7996.473640] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7996.473640] PKRU: 55555554 [ 7996.473641] Call Trace: [ 7996.473643] [ 7996.473645] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 7996.473648] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 7996.473652] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 7996.473656] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 7996.473659] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 7996.473660] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 7996.473663] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7996.473665] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7996.473666] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7996.473668] [ 7996.473668] [ 7996.473669] netdev_core_pick_tx (net/core/dev.c:4211) [ 7996.473673] __dev_queue_xmit (net/core/dev.c:4295) [ 7996.473675] ? eth_header (net/ethernet/eth.c:85) [ 7996.473679] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7996.473682] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7996.473685] mld_sendpack (net/ipv6/mcast.c:1822) [ 7996.473688] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7996.473690] process_one_work (kernel/workqueue.c:3254) [ 7996.473694] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7996.473695] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7996.473697] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7996.473699] kthread (kernel/kthread.c:388) [ 7996.473701] ? __pfx_kthread (kernel/kthread.c:341) [ 7996.473703] ret_from_fork (arch/x86/kernel/process.c:147) [ 7996.473706] ? __pfx_kthread (kernel/kthread.c:341) [ 7996.473707] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7996.473711] | [ 8028.201386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 8028.201496] rcu: 1-....: (8025880 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1818323 | [ 8028.201565] rcu: (t=8022381 jiffies g=-219 q=807 ncpus=4) [ 8028.201650] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8028.201721] Workqueue: mld mld_ifc_work [ 8028.201755] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8028.201794] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 8028.201912] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 8028.201946] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 8028.201994] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 8028.202042] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 8028.202092] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 8028.202141] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 8028.202191] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 8028.202250] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8028.202290] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 8028.202354] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8028.202401] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8028.202448] PKRU: 55555554 [ 8028.202467] Call Trace: [ 8028.202483] [ 8028.202503] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 8028.202541] ? 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) [ 8028.202577] ? notifier_call_chain (kernel/notifier.c:93) [ 8028.202622] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 8028.202656] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 8028.202690] ? 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) [ 8028.202725] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 8028.202764] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 8028.202791] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 8028.202825] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 8028.202860] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8028.202895] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8028.202929] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8028.202963] [ 8028.202986] [ 8028.203006] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8028.203043] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8028.203070] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 8028.203104] netdev_core_pick_tx (net/core/dev.c:4211) [ 8028.203138] __dev_queue_xmit (net/core/dev.c:4295) [ 8028.203164] ? eth_header (net/ethernet/eth.c:85) [ 8028.203195] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8028.203226] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8028.203264] mld_sendpack (net/ipv6/mcast.c:1822) [ 8028.203291] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8028.203326] process_one_work (kernel/workqueue.c:3254) [ 8028.203357] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8028.203400] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8028.203428] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8028.203462] kthread (kernel/kthread.c:388) [ 8028.203489] ? __pfx_kthread (kernel/kthread.c:341) [ 8028.203516] ret_from_fork (arch/x86/kernel/process.c:147) [ 8028.203549] ? __pfx_kthread (kernel/kthread.c:341) [ 8028.203575] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8062.009404] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 8015356 jiffies s: 77 root: 0x2/. | [ 8062.009588] rcu: blocking rcu_node structures (internal RCU debug): | [ 8062.009626] Sending NMI from CPU 2 to CPUs 1: | [ 8062.009664] NMI backtrace for cpu 1 [ 8062.009672] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8062.009674] Workqueue: mld mld_ifc_work [ 8062.009680] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8062.009684] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 8062.009686] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 8062.009687] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 8062.009688] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 8062.009689] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 8062.009690] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 8062.009691] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 8062.009693] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 8062.009694] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8062.009695] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 8062.009696] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8062.009697] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8062.009697] PKRU: 55555554 [ 8062.009698] Call Trace: [ 8062.009700] [ 8062.009702] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 8062.009705] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 8062.009709] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 8062.009713] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 8062.009716] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 8062.009717] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 8062.009721] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8062.009722] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8062.009724] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8062.009725] [ 8062.009726] [ 8062.009726] netdev_core_pick_tx (net/core/dev.c:4211) [ 8062.009731] __dev_queue_xmit (net/core/dev.c:4295) [ 8062.009733] ? eth_header (net/ethernet/eth.c:85) [ 8062.009736] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8062.009740] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8062.009742] mld_sendpack (net/ipv6/mcast.c:1822) [ 8062.009746] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8062.009748] process_one_work (kernel/workqueue.c:3254) [ 8062.009751] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8062.009753] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8062.009755] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8062.009756] kthread (kernel/kthread.c:388) [ 8062.009758] ? __pfx_kthread (kernel/kthread.c:341) [ 8062.009759] ret_from_fork (arch/x86/kernel/process.c:147) [ 8062.009762] ? __pfx_kthread (kernel/kthread.c:341) [ 8062.009763] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8062.009767] | [ 8091.204387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 8091.204556] rcu: 1-....: (8088882 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1832335 | [ 8091.204626] rcu: (t=8085384 jiffies g=-219 q=807 ncpus=4) [ 8091.204705] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8091.204776] Workqueue: mld mld_ifc_work [ 8091.204812] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8091.204852] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 8091.204953] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 8091.204986] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 8091.205035] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 8091.205084] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 8091.205133] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 8091.205181] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 8091.205231] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 8091.205280] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8091.205321] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 8091.205371] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8091.205420] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8091.205469] PKRU: 55555554 [ 8091.205490] Call Trace: [ 8091.205511] [ 8091.205531] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 8091.205571] ? 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) [ 8091.205606] ? notifier_call_chain (kernel/notifier.c:93) [ 8091.205640] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 8091.205678] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 8091.205712] ? 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) [ 8091.205747] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 8091.205782] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 8091.205809] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 8091.205844] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 8091.205879] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8091.205914] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8091.205947] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8091.205980] [ 8091.206000] [ 8091.206020] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8091.206053] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8091.206079] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 8091.206113] netdev_core_pick_tx (net/core/dev.c:4211) [ 8091.206140] __dev_queue_xmit (net/core/dev.c:4295) [ 8091.206167] ? eth_header (net/ethernet/eth.c:85) [ 8091.206195] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8091.206222] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8091.206256] mld_sendpack (net/ipv6/mcast.c:1822) [ 8091.206284] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8091.206311] process_one_work (kernel/workqueue.c:3254) [ 8091.206338] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8091.206372] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8091.206400] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8091.206434] kthread (kernel/kthread.c:388) [ 8091.206461] ? __pfx_kthread (kernel/kthread.c:341) [ 8091.206488] ret_from_fork (arch/x86/kernel/process.c:147) [ 8091.206515] ? __pfx_kthread (kernel/kthread.c:341) [ 8091.206543] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8127.545394] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 8080892 jiffies s: 77 root: 0x2/. | [ 8127.545519] rcu: blocking rcu_node structures (internal RCU debug): | [ 8127.545558] Sending NMI from CPU 2 to CPUs 1: | [ 8127.545597] NMI backtrace for cpu 1 [ 8127.545604] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8127.545606] Workqueue: mld mld_ifc_work [ 8127.545613] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8127.545617] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 8127.545619] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 8127.545621] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 8127.545622] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 8127.545622] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 8127.545623] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 8127.545624] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 8127.545627] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 8127.545628] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8127.545629] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 8127.545630] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8127.545631] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8127.545632] PKRU: 55555554 [ 8127.545632] Call Trace: [ 8127.545634] [ 8127.545637] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 8127.545640] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 8127.545645] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 8127.545649] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 8127.545651] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 8127.545652] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 8127.545656] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8127.545657] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8127.545659] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8127.545661] [ 8127.545661] [ 8127.545661] netdev_core_pick_tx (net/core/dev.c:4211) [ 8127.545666] __dev_queue_xmit (net/core/dev.c:4295) [ 8127.545668] ? eth_header (net/ethernet/eth.c:85) [ 8127.545671] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8127.545675] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8127.545678] mld_sendpack (net/ipv6/mcast.c:1822) [ 8127.545681] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8127.545683] process_one_work (kernel/workqueue.c:3254) [ 8127.545687] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8127.545688] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8127.545690] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8127.545692] kthread (kernel/kthread.c:388) [ 8127.545694] ? __pfx_kthread (kernel/kthread.c:341) [ 8127.545695] ret_from_fork (arch/x86/kernel/process.c:147) [ 8127.545698] ? __pfx_kthread (kernel/kthread.c:341) [ 8127.545699] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8127.545703] | [ 8154.207386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 8154.207492] rcu: 1-....: (8151884 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1846536 | [ 8154.207558] rcu: (t=8148387 jiffies g=-219 q=807 ncpus=4) [ 8154.207639] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8154.207709] Workqueue: mld mld_ifc_work [ 8154.207744] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8154.207783] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 8154.207889] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 8154.207924] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 8154.207971] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 8154.208021] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 8154.208069] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 8154.208117] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 8154.208167] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 8154.208219] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8154.208259] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 8154.208314] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8154.208362] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8154.208409] PKRU: 55555554 [ 8154.208429] Call Trace: [ 8154.208449] [ 8154.208470] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 8154.208509] ? 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) [ 8154.208544] ? notifier_call_chain (kernel/notifier.c:93) [ 8154.208583] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 8154.208623] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 8154.208658] ? 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) [ 8154.208694] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 8154.208735] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 8154.208763] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 8154.208797] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 8154.208831] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8154.208865] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8154.208899] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8154.208934] [ 8154.208954] [ 8154.208975] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8154.209014] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8154.209041] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 8154.209075] netdev_core_pick_tx (net/core/dev.c:4211) [ 8154.209107] __dev_queue_xmit (net/core/dev.c:4295) [ 8154.209133] ? eth_header (net/ethernet/eth.c:85) [ 8154.209162] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8154.209193] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8154.209227] mld_sendpack (net/ipv6/mcast.c:1822) [ 8154.209256] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8154.209283] process_one_work (kernel/workqueue.c:3254) [ 8154.209317] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8154.209362] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8154.209390] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8154.209426] kthread (kernel/kthread.c:388) [ 8154.209453] ? __pfx_kthread (kernel/kthread.c:341) [ 8154.209481] ret_from_fork (arch/x86/kernel/process.c:147) [ 8154.209508] ? __pfx_kthread (kernel/kthread.c:341) [ 8154.209534] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8193.081408] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 8146428 jiffies s: 77 root: 0x2/. | [ 8193.081532] rcu: blocking rcu_node structures (internal RCU debug): | [ 8193.081571] Sending NMI from CPU 2 to CPUs 1: | [ 8193.081618] NMI backtrace for cpu 1 [ 8193.081627] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8193.081628] Workqueue: mld mld_ifc_work [ 8193.081635] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8193.081640] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 8193.081642] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 8193.081643] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 8193.081644] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 8193.081645] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 8193.081646] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 8193.081647] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 8193.081649] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 8193.081650] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8193.081651] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 8193.081652] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8193.081652] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8193.081653] PKRU: 55555554 [ 8193.081654] Call Trace: [ 8193.081659] [ 8193.081665] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 8193.081668] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 8193.081673] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 8193.081677] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 8193.081679] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 8193.081680] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 8193.081684] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8193.081685] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8193.081687] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8193.081688] [ 8193.081689] [ 8193.081689] netdev_core_pick_tx (net/core/dev.c:4211) [ 8193.081693] __dev_queue_xmit (net/core/dev.c:4295) [ 8193.081696] ? eth_header (net/ethernet/eth.c:85) [ 8193.081699] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8193.081703] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8193.081705] mld_sendpack (net/ipv6/mcast.c:1822) [ 8193.081709] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8193.081711] process_one_work (kernel/workqueue.c:3254) [ 8193.081714] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8193.081715] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8193.081717] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8193.081719] kthread (kernel/kthread.c:388) [ 8193.081721] ? __pfx_kthread (kernel/kthread.c:341) [ 8193.081722] ret_from_fork (arch/x86/kernel/process.c:147) [ 8193.081726] ? __pfx_kthread (kernel/kthread.c:341) [ 8193.081727] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8193.081731] | [ 8217.210387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 8217.210489] rcu: 1-....: (8214886 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1861425 | [ 8217.210556] rcu: (t=8211390 jiffies g=-219 q=807 ncpus=4) [ 8217.210635] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8217.210716] Workqueue: mld mld_ifc_work [ 8217.210750] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8217.210791] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 8217.210892] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 8217.210927] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 8217.210976] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 8217.211024] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 8217.211088] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 8217.211137] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 8217.211187] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 8217.211239] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8217.211280] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 8217.211330] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8217.211378] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8217.211428] PKRU: 55555554 [ 8217.211448] Call Trace: [ 8217.211469] [ 8217.211489] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 8217.211529] ? 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) [ 8217.211563] ? notifier_call_chain (kernel/notifier.c:93) [ 8217.211598] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 8217.211632] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 8217.211666] ? 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) [ 8217.211707] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 8217.211745] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 8217.211773] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 8217.211807] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 8217.211842] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8217.211877] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8217.211911] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8217.211944] [ 8217.211963] [ 8217.211983] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8217.212017] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8217.212044] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 8217.212078] netdev_core_pick_tx (net/core/dev.c:4211) [ 8217.212110] __dev_queue_xmit (net/core/dev.c:4295) [ 8217.212139] ? eth_header (net/ethernet/eth.c:85) [ 8217.212169] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8217.212197] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8217.212232] mld_sendpack (net/ipv6/mcast.c:1822) [ 8217.212260] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8217.212287] process_one_work (kernel/workqueue.c:3254) [ 8217.212317] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8217.212351] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8217.212380] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8217.212414] kthread (kernel/kthread.c:388) [ 8217.212442] ? __pfx_kthread (kernel/kthread.c:341) [ 8217.212469] ret_from_fork (arch/x86/kernel/process.c:147) [ 8217.212499] ? __pfx_kthread (kernel/kthread.c:341) [ 8217.212527] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8258.618393] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 8211965 jiffies s: 77 root: 0x2/. | [ 8258.618588] rcu: blocking rcu_node structures (internal RCU debug): | [ 8258.618629] Sending NMI from CPU 2 to CPUs 1: | [ 8258.618672] NMI backtrace for cpu 1 [ 8258.618686] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8258.618688] Workqueue: mld mld_ifc_work [ 8258.618695] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8258.618699] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 8258.618700] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 8258.618702] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 8258.618703] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 8258.618703] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 8258.618704] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 8258.618705] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 8258.618708] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 8258.618709] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8258.618710] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 8258.618710] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8258.618711] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8258.618712] PKRU: 55555554 [ 8258.618712] Call Trace: [ 8258.618714] [ 8258.618716] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 8258.618719] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 8258.618723] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 8258.618728] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 8258.618730] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 8258.618731] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 8258.618735] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8258.618736] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8258.618738] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8258.618740] [ 8258.618740] [ 8258.618741] netdev_core_pick_tx (net/core/dev.c:4211) [ 8258.618745] __dev_queue_xmit (net/core/dev.c:4295) [ 8258.618747] ? eth_header (net/ethernet/eth.c:85) [ 8258.618751] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8258.618755] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8258.618757] mld_sendpack (net/ipv6/mcast.c:1822) [ 8258.618761] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8258.618763] process_one_work (kernel/workqueue.c:3254) [ 8258.618767] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8258.618769] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8258.618771] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8258.618773] kthread (kernel/kthread.c:388) [ 8258.618775] ? __pfx_kthread (kernel/kthread.c:341) [ 8258.618776] ret_from_fork (arch/x86/kernel/process.c:147) [ 8258.618779] ? __pfx_kthread (kernel/kthread.c:341) [ 8258.618780] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8258.618783] | [ 8280.213387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 8280.213488] rcu: 1-....: (8277888 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1876284 | [ 8280.213556] rcu: (t=8274393 jiffies g=-219 q=807 ncpus=4) [ 8280.213640] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8280.213722] Workqueue: mld mld_ifc_work [ 8280.213756] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8280.213796] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 8280.213902] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 8280.213936] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 8280.213985] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 8280.214033] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 8280.214082] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 8280.214131] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 8280.214180] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 8280.214232] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8280.214273] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 8280.214322] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8280.214367] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8280.214415] PKRU: 55555554 [ 8280.214434] Call Trace: [ 8280.214449] [ 8280.214471] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 8280.214509] ? 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) [ 8280.214544] ? notifier_call_chain (kernel/notifier.c:93) [ 8280.214581] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 8280.214616] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 8280.214649] ? 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) [ 8280.214690] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 8280.214726] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 8280.214753] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 8280.214788] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 8280.214822] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8280.214857] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8280.214891] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8280.214925] [ 8280.214945] [ 8280.214966] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8280.215001] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8280.215028] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 8280.215062] netdev_core_pick_tx (net/core/dev.c:4211) [ 8280.215091] __dev_queue_xmit (net/core/dev.c:4295) [ 8280.215118] ? eth_header (net/ethernet/eth.c:85) [ 8280.215149] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8280.215179] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8280.215214] mld_sendpack (net/ipv6/mcast.c:1822) [ 8280.215242] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8280.215269] process_one_work (kernel/workqueue.c:3254) [ 8280.215296] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8280.215330] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8280.215358] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8280.215393] kthread (kernel/kthread.c:388) [ 8280.215421] ? __pfx_kthread (kernel/kthread.c:341) [ 8280.215449] ret_from_fork (arch/x86/kernel/process.c:147) [ 8280.215482] ? __pfx_kthread (kernel/kthread.c:341) [ 8280.215509] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8324.154392] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 8277501 jiffies s: 77 root: 0x2/. | [ 8324.154508] rcu: blocking rcu_node structures (internal RCU debug): | [ 8324.154546] Sending NMI from CPU 2 to CPUs 1: | [ 8324.154584] NMI backtrace for cpu 1 [ 8324.154591] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8324.154593] Workqueue: mld mld_ifc_work [ 8324.154601] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8324.154605] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 8324.154606] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 8324.154608] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 8324.154609] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 8324.154610] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 8324.154610] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 8324.154611] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 8324.154614] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 8324.154615] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8324.154615] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 8324.154616] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8324.154617] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8324.154618] PKRU: 55555554 [ 8324.154619] Call Trace: [ 8324.154620] [ 8324.154622] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 8324.154625] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 8324.154629] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 8324.154634] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 8324.154636] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 8324.154637] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 8324.154641] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8324.154642] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8324.154644] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8324.154645] [ 8324.154645] [ 8324.154646] netdev_core_pick_tx (net/core/dev.c:4211) [ 8324.154650] __dev_queue_xmit (net/core/dev.c:4295) [ 8324.154652] ? eth_header (net/ethernet/eth.c:85) [ 8324.154655] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8324.154659] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8324.154662] mld_sendpack (net/ipv6/mcast.c:1822) [ 8324.154665] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8324.154668] process_one_work (kernel/workqueue.c:3254) [ 8324.154671] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8324.154673] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8324.154675] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8324.154677] kthread (kernel/kthread.c:388) [ 8324.154679] ? __pfx_kthread (kernel/kthread.c:341) [ 8324.154680] ret_from_fork (arch/x86/kernel/process.c:147) [ 8324.154684] ? __pfx_kthread (kernel/kthread.c:341) [ 8324.154685] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8324.154689] | [ 8343.216397] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 8343.216496] rcu: 1-....: (8340890 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1890996 | [ 8343.216564] rcu: (t=8337396 jiffies g=-219 q=807 ncpus=4) [ 8343.216644] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8343.216720] Workqueue: mld mld_ifc_work [ 8343.216773] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8343.216819] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 8343.216920] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 8343.216954] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 8343.217004] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 8343.217053] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 8343.217101] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 8343.217150] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 8343.217200] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 8343.217251] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8343.217292] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 8343.217341] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8343.217389] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8343.217437] PKRU: 55555554 [ 8343.217457] Call Trace: [ 8343.217479] [ 8343.217500] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 8343.217539] ? 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) [ 8343.217573] ? notifier_call_chain (kernel/notifier.c:93) [ 8343.217608] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 8343.217645] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 8343.217682] ? 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) [ 8343.217723] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 8343.217757] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 8343.217784] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 8343.217818] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 8343.217852] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8343.217887] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8343.217920] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8343.217953] [ 8343.217972] [ 8343.217992] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8343.218026] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8343.218059] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 8343.218093] netdev_core_pick_tx (net/core/dev.c:4211) [ 8343.218120] __dev_queue_xmit (net/core/dev.c:4295) [ 8343.218147] ? eth_header (net/ethernet/eth.c:85) [ 8343.218174] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8343.218207] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8343.218241] mld_sendpack (net/ipv6/mcast.c:1822) [ 8343.218269] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8343.218296] process_one_work (kernel/workqueue.c:3254) [ 8343.218323] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8343.218356] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8343.218384] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8343.218418] kthread (kernel/kthread.c:388) [ 8343.218445] ? __pfx_kthread (kernel/kthread.c:341) [ 8343.218473] ret_from_fork (arch/x86/kernel/process.c:147) [ 8343.218500] ? __pfx_kthread (kernel/kthread.c:341) [ 8343.218527] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8389.690392] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 8343037 jiffies s: 77 root: 0x2/. | [ 8389.690514] rcu: blocking rcu_node structures (internal RCU debug): | [ 8389.690552] Sending NMI from CPU 2 to CPUs 1: | [ 8389.690590] NMI backtrace for cpu 1 [ 8389.690603] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8389.690606] Workqueue: mld mld_ifc_work [ 8389.690617] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8389.690622] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 8389.690623] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 8389.690625] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 8389.690626] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 8389.690627] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 8389.690627] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 8389.690628] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 8389.690631] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 8389.690632] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8389.690633] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 8389.690634] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8389.690634] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8389.690635] PKRU: 55555554 [ 8389.690635] Call Trace: [ 8389.690639] [ 8389.690645] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 8389.690650] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 8389.690654] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 8389.690658] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 8389.690660] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 8389.690662] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 8389.690665] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8389.690667] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8389.690668] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8389.690670] [ 8389.690670] [ 8389.690671] netdev_core_pick_tx (net/core/dev.c:4211) [ 8389.690675] __dev_queue_xmit (net/core/dev.c:4295) [ 8389.690677] ? eth_header (net/ethernet/eth.c:85) [ 8389.690682] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8389.690685] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8389.690688] mld_sendpack (net/ipv6/mcast.c:1822) [ 8389.690691] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8389.690693] process_one_work (kernel/workqueue.c:3254) [ 8389.690697] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8389.690699] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8389.690701] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8389.690703] kthread (kernel/kthread.c:388) [ 8389.690705] ? __pfx_kthread (kernel/kthread.c:341) [ 8389.690706] ret_from_fork (arch/x86/kernel/process.c:147) [ 8389.690710] ? __pfx_kthread (kernel/kthread.c:341) [ 8389.690711] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8389.690715] | [ 8406.219387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 8406.219488] rcu: 1-....: (8403892 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1906221 | [ 8406.219555] rcu: (t=8400399 jiffies g=-219 q=807 ncpus=4) [ 8406.219634] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8406.219711] Workqueue: mld mld_ifc_work [ 8406.219744] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 8406.219783] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 8406.219889] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 8406.219924] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 8406.219972] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 8406.220020] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 8406.220068] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 8406.220117] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 8406.220167] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 8406.220219] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8406.220258] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 8406.220307] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8406.220354] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8406.220402] PKRU: 55555554 [ 8406.220422] Call Trace: [ 8406.220439] [ 8406.220458] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 8406.220498] ? 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) [ 8406.220533] ? notifier_call_chain (kernel/notifier.c:93) [ 8406.220568] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 8406.220602] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 8406.220636] ? 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) [ 8406.220670] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 8406.220714] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 8406.220742] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 8406.220776] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 8406.220811] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8406.220845] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8406.220880] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8406.220914] [ 8406.220934] [ 8406.220955] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8406.220990] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 8406.221017] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 8406.221051] netdev_core_pick_tx (net/core/dev.c:4211) [ 8406.221083] __dev_queue_xmit (net/core/dev.c:4295) [ 8406.221110] ? eth_header (net/ethernet/eth.c:85) [ 8406.221138] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8406.221168] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8406.221205] mld_sendpack (net/ipv6/mcast.c:1822) [ 8406.221233] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8406.221259] process_one_work (kernel/workqueue.c:3254) [ 8406.221286] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8406.221320] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8406.221347] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8406.221380] kthread (kernel/kthread.c:388) [ 8406.221407] ? __pfx_kthread (kernel/kthread.c:341) [ 8406.221434] ret_from_fork (arch/x86/kernel/process.c:147) [ 8406.221466] ? __pfx_kthread (kernel/kthread.c:341) [ 8406.221491] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8455.226392] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 8408573 jiffies s: 77 root: 0x2/. | [ 8455.226579] rcu: blocking rcu_node structures (internal RCU debug): | [ 8455.226619] Sending NMI from CPU 2 to CPUs 1: | [ 8455.226657] NMI backtrace for cpu 1 [ 8455.226665] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8455.226667] Workqueue: mld mld_ifc_work [ 8455.226673] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8455.226677] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 8455.226679] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 8455.226680] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 8455.226682] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 8455.226682] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 8455.226684] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 8455.226685] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 8455.226687] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 8455.226689] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8455.226689] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 8455.226690] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8455.226691] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8455.226692] PKRU: 55555554 [ 8455.226693] Call Trace: [ 8455.226695] [ 8455.226697] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 8455.226700] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 8455.226704] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 8455.226708] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 8455.226711] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 8455.226712] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 8455.226716] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8455.226717] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8455.226719] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8455.226721] [ 8455.226721] [ 8455.226722] netdev_core_pick_tx (net/core/dev.c:4211) [ 8455.226726] __dev_queue_xmit (net/core/dev.c:4295) [ 8455.226728] ? eth_header (net/ethernet/eth.c:85) [ 8455.226733] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8455.226736] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8455.226739] mld_sendpack (net/ipv6/mcast.c:1822) [ 8455.226742] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8455.226745] process_one_work (kernel/workqueue.c:3254) [ 8455.226749] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8455.226750] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8455.226752] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8455.226754] kthread (kernel/kthread.c:388) [ 8455.226756] ? __pfx_kthread (kernel/kthread.c:341) [ 8455.226758] ret_from_fork (arch/x86/kernel/process.c:147) [ 8455.226761] ? __pfx_kthread (kernel/kthread.c:341) [ 8455.226762] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8455.226766] | [ 8469.222402] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 8469.222572] rcu: 1-....: (8466894 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1920864 | [ 8469.222638] rcu: (t=8463402 jiffies g=-219 q=807 ncpus=4) [ 8469.222713] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8469.222789] Workqueue: mld mld_ifc_work [ 8469.222827] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8469.222866] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 8469.222968] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 8469.223002] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 8469.223052] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 8469.223101] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 8469.223149] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 8469.223199] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 8469.223250] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 8469.223302] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8469.223342] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 8469.223393] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8469.223441] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8469.223491] PKRU: 55555554 [ 8469.223511] Call Trace: [ 8469.223526] [ 8469.223547] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 8469.223586] ? 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) [ 8469.223621] ? notifier_call_chain (kernel/notifier.c:93) [ 8469.223656] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 8469.223691] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 8469.223725] ? 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) [ 8469.223759] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 8469.223797] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 8469.223825] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 8469.223859] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 8469.223894] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8469.223928] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8469.223961] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8469.223997] [ 8469.224017] [ 8469.224036] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8469.224071] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8469.224099] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 8469.224133] netdev_core_pick_tx (net/core/dev.c:4211) [ 8469.224161] __dev_queue_xmit (net/core/dev.c:4295) [ 8469.224188] ? eth_header (net/ethernet/eth.c:85) [ 8469.224215] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8469.224248] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8469.224282] mld_sendpack (net/ipv6/mcast.c:1822) [ 8469.224310] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8469.224337] process_one_work (kernel/workqueue.c:3254) [ 8469.224364] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8469.224398] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8469.224426] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8469.224460] kthread (kernel/kthread.c:388) [ 8469.224488] ? __pfx_kthread (kernel/kthread.c:341) [ 8469.224515] ret_from_fork (arch/x86/kernel/process.c:147) [ 8469.224546] ? __pfx_kthread (kernel/kthread.c:341) [ 8469.224574] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8520.762394] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 8474109 jiffies s: 77 root: 0x2/. | [ 8520.762530] rcu: blocking rcu_node structures (internal RCU debug): | [ 8520.762567] Sending NMI from CPU 2 to CPUs 1: | [ 8520.762606] NMI backtrace for cpu 1 [ 8520.762613] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8520.762615] Workqueue: mld mld_ifc_work [ 8520.762621] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8520.762625] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 8520.762627] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 8520.762629] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 8520.762630] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 8520.762630] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 8520.762631] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 8520.762632] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 8520.762635] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 8520.762636] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8520.762637] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 8520.762638] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8520.762638] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8520.762639] PKRU: 55555554 [ 8520.762640] Call Trace: [ 8520.762642] [ 8520.762644] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 8520.762647] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 8520.762652] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 8520.762656] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 8520.762658] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 8520.762660] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 8520.762663] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8520.762664] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8520.762666] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8520.762668] [ 8520.762668] [ 8520.762668] netdev_core_pick_tx (net/core/dev.c:4211) [ 8520.762673] __dev_queue_xmit (net/core/dev.c:4295) [ 8520.762675] ? eth_header (net/ethernet/eth.c:85) [ 8520.762679] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8520.762683] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8520.762685] mld_sendpack (net/ipv6/mcast.c:1822) [ 8520.762688] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8520.762690] process_one_work (kernel/workqueue.c:3254) [ 8520.762694] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8520.762696] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8520.762698] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8520.762700] kthread (kernel/kthread.c:388) [ 8520.762702] ? __pfx_kthread (kernel/kthread.c:341) [ 8520.762703] ret_from_fork (arch/x86/kernel/process.c:147) [ 8520.762706] ? __pfx_kthread (kernel/kthread.c:341) [ 8520.762707] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8520.762711] | [ 8532.225402] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 8532.225497] rcu: 1-....: (8529896 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1935237 | [ 8532.225569] rcu: (t=8526405 jiffies g=-219 q=807 ncpus=4) [ 8532.225644] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8532.225726] Workqueue: mld mld_ifc_work [ 8532.225760] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8532.225798] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 8532.225904] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 8532.225939] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 8532.225987] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 8532.226037] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 8532.226086] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 8532.226133] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 8532.226183] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 8532.226232] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8532.226272] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 8532.226320] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8532.226366] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8532.226414] PKRU: 55555554 [ 8532.226434] Call Trace: [ 8532.226448] [ 8532.226469] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 8532.226507] ? 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) [ 8532.226541] ? notifier_call_chain (kernel/notifier.c:93) [ 8532.226576] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 8532.226610] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 8532.226644] ? 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) [ 8532.226682] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 8532.226720] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 8532.226747] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 8532.226781] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 8532.226815] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8532.226850] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8532.226884] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8532.226918] [ 8532.226938] [ 8532.226959] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8532.226993] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8532.227020] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 8532.227054] netdev_core_pick_tx (net/core/dev.c:4211) [ 8532.227082] __dev_queue_xmit (net/core/dev.c:4295) [ 8532.227109] ? eth_header (net/ethernet/eth.c:85) [ 8532.227138] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8532.227165] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8532.227201] mld_sendpack (net/ipv6/mcast.c:1822) [ 8532.227228] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8532.227255] process_one_work (kernel/workqueue.c:3254) [ 8532.227282] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8532.227316] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8532.227343] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8532.227376] kthread (kernel/kthread.c:388) [ 8532.227403] ? __pfx_kthread (kernel/kthread.c:341) [ 8532.227429] ret_from_fork (arch/x86/kernel/process.c:147) [ 8532.227459] ? __pfx_kthread (kernel/kthread.c:341) [ 8532.227486] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8586.298393] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 8539645 jiffies s: 77 root: 0x2/. | [ 8586.298589] rcu: blocking rcu_node structures (internal RCU debug): | [ 8586.298630] Sending NMI from CPU 2 to CPUs 1: | [ 8586.298667] NMI backtrace for cpu 1 [ 8586.298676] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8586.298678] Workqueue: mld mld_ifc_work [ 8586.298685] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 8586.298689] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 8586.298691] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 8586.298692] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 8586.298693] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 8586.298694] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 8586.298695] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 8586.298696] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 8586.298698] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 8586.298699] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8586.298700] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 8586.298701] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8586.298702] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8586.298703] PKRU: 55555554 [ 8586.298703] Call Trace: [ 8586.298705] [ 8586.298707] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 8586.298710] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 8586.298714] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 8586.298719] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 8586.298721] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 8586.298722] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 8586.298726] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 8586.298728] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 8586.298729] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 8586.298731] [ 8586.298731] [ 8586.298731] netdev_core_pick_tx (net/core/dev.c:4211) [ 8586.298736] __dev_queue_xmit (net/core/dev.c:4295) [ 8586.298738] ? eth_header (net/ethernet/eth.c:85) [ 8586.298742] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8586.298746] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8586.298748] mld_sendpack (net/ipv6/mcast.c:1822) [ 8586.298752] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8586.298754] process_one_work (kernel/workqueue.c:3254) [ 8586.298757] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8586.298759] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8586.298761] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8586.298763] kthread (kernel/kthread.c:388) [ 8586.298765] ? __pfx_kthread (kernel/kthread.c:341) [ 8586.298766] ret_from_fork (arch/x86/kernel/process.c:147) [ 8586.298770] ? __pfx_kthread (kernel/kthread.c:341) [ 8586.298771] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8586.298775] | [ 8595.228386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 8595.228558] rcu: 1-....: (8592898 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1948880 | [ 8595.228626] rcu: (t=8589408 jiffies g=-219 q=807 ncpus=4) [ 8595.228704] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8595.228775] Workqueue: mld mld_ifc_work [ 8595.228809] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8595.228846] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 8595.228948] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 8595.228983] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 8595.229032] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 8595.229080] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 8595.229129] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 8595.229178] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 8595.229228] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 8595.229276] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8595.229318] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 8595.229368] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8595.229415] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8595.229465] PKRU: 55555554 [ 8595.229485] Call Trace: [ 8595.229501] [ 8595.229521] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 8595.229561] ? 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) [ 8595.229595] ? notifier_call_chain (kernel/notifier.c:93) [ 8595.229631] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 8595.229665] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 8595.229701] ? 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) [ 8595.229736] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 8595.229771] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 8595.229798] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 8595.229832] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 8595.229866] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8595.229899] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8595.229933] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8595.229967] [ 8595.229981] [ 8595.229995] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8595.230029] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8595.230056] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 8595.230091] netdev_core_pick_tx (net/core/dev.c:4211) [ 8595.230119] __dev_queue_xmit (net/core/dev.c:4295) [ 8595.230146] ? eth_header (net/ethernet/eth.c:85) [ 8595.230173] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8595.230201] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8595.230234] mld_sendpack (net/ipv6/mcast.c:1822) [ 8595.230263] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8595.230289] process_one_work (kernel/workqueue.c:3254) [ 8595.230317] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8595.230351] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8595.230378] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8595.230412] kthread (kernel/kthread.c:388) [ 8595.230439] ? __pfx_kthread (kernel/kthread.c:341) [ 8595.230466] ret_from_fork (arch/x86/kernel/process.c:147) [ 8595.230493] ? __pfx_kthread (kernel/kthread.c:341) [ 8595.230520] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8651.833395] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 8605180 jiffies s: 77 root: 0x2/. | [ 8651.833583] rcu: blocking rcu_node structures (internal RCU debug): | [ 8651.833624] Sending NMI from CPU 2 to CPUs 1: | [ 8651.833662] NMI backtrace for cpu 1 [ 8651.833669] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8651.833671] Workqueue: mld mld_ifc_work [ 8651.833678] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8651.833682] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 8651.833684] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 8651.833685] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 8651.833686] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 8651.833687] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 8651.833688] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 8651.833689] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 8651.833691] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 8651.833693] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8651.833694] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 8651.833695] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8651.833695] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8651.833696] PKRU: 55555554 [ 8651.833697] Call Trace: [ 8651.833699] [ 8651.833701] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 8651.833704] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 8651.833708] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 8651.833712] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 8651.833715] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 8651.833716] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 8651.833719] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8651.833721] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8651.833722] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8651.833724] [ 8651.833724] [ 8651.833725] netdev_core_pick_tx (net/core/dev.c:4211) [ 8651.833729] __dev_queue_xmit (net/core/dev.c:4295) [ 8651.833731] ? eth_header (net/ethernet/eth.c:85) [ 8651.833735] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8651.833739] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8651.833742] mld_sendpack (net/ipv6/mcast.c:1822) [ 8651.833745] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8651.833747] process_one_work (kernel/workqueue.c:3254) [ 8651.833750] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8651.833751] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8651.833753] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8651.833755] kthread (kernel/kthread.c:388) [ 8651.833757] ? __pfx_kthread (kernel/kthread.c:341) [ 8651.833758] ret_from_fork (arch/x86/kernel/process.c:147) [ 8651.833761] ? __pfx_kthread (kernel/kthread.c:341) [ 8651.833762] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8651.833766] | [ 8658.231386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 8658.231481] rcu: 1-....: (8655900 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1962240 | [ 8658.231554] rcu: (t=8652411 jiffies g=-219 q=807 ncpus=4) [ 8658.231633] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8658.231703] Workqueue: mld mld_ifc_work [ 8658.231737] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8658.231775] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 8658.231886] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 8658.231921] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 8658.231969] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 8658.232018] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 8658.232069] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 8658.232117] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 8658.232166] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 8658.232216] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8658.232256] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 8658.232304] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8658.232350] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8658.232399] PKRU: 55555554 [ 8658.232420] Call Trace: [ 8658.232436] [ 8658.232456] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 8658.232493] ? 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) [ 8658.232529] ? notifier_call_chain (kernel/notifier.c:93) [ 8658.232563] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 8658.232598] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 8658.232633] ? 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) [ 8658.232667] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 8658.232702] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 8658.232729] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 8658.232763] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 8658.232797] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8658.232833] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8658.232868] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8658.232903] [ 8658.232923] [ 8658.232944] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8658.232979] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8658.233006] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 8658.233040] netdev_core_pick_tx (net/core/dev.c:4211) [ 8658.233068] __dev_queue_xmit (net/core/dev.c:4295) [ 8658.233095] ? eth_header (net/ethernet/eth.c:85) [ 8658.233123] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8658.233150] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8658.233185] mld_sendpack (net/ipv6/mcast.c:1822) [ 8658.233213] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8658.233240] process_one_work (kernel/workqueue.c:3254) [ 8658.233267] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8658.233302] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8658.233329] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8658.233363] kthread (kernel/kthread.c:388) [ 8658.233391] ? __pfx_kthread (kernel/kthread.c:341) [ 8658.233418] ret_from_fork (arch/x86/kernel/process.c:147) [ 8658.233444] ? __pfx_kthread (kernel/kthread.c:341) [ 8658.233471] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8717.370403] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 8670717 jiffies s: 77 root: 0x2/. | [ 8717.370607] rcu: blocking rcu_node structures (internal RCU debug): | [ 8717.370646] Sending NMI from CPU 2 to CPUs 1: | [ 8717.370694] NMI backtrace for cpu 1 [ 8717.370702] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8717.370704] Workqueue: mld mld_ifc_work [ 8717.370711] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8717.370716] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 8717.370718] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 8717.370720] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 8717.370721] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 8717.370721] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 8717.370722] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 8717.370723] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 8717.370725] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 8717.370726] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8717.370727] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 8717.370728] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8717.370729] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8717.370730] PKRU: 55555554 [ 8717.370731] Call Trace: [ 8717.370736] [ 8717.370742] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 8717.370744] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 8717.370749] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 8717.370753] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 8717.370755] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 8717.370757] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 8717.370760] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8717.370762] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8717.370763] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8717.370765] [ 8717.370766] [ 8717.370766] netdev_core_pick_tx (net/core/dev.c:4211) [ 8717.370770] __dev_queue_xmit (net/core/dev.c:4295) [ 8717.370773] ? eth_header (net/ethernet/eth.c:85) [ 8717.370776] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8717.370780] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8717.370783] mld_sendpack (net/ipv6/mcast.c:1822) [ 8717.370786] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8717.370788] process_one_work (kernel/workqueue.c:3254) [ 8717.370792] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8717.370794] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8717.370796] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8717.370797] kthread (kernel/kthread.c:388) [ 8717.370799] ? __pfx_kthread (kernel/kthread.c:341) [ 8717.370801] ret_from_fork (arch/x86/kernel/process.c:147) [ 8717.370804] ? __pfx_kthread (kernel/kthread.c:341) [ 8717.370805] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8717.370810] | [ 8721.234387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 8721.234556] rcu: 1-....: (8718902 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1975795 | [ 8721.234628] rcu: (t=8715414 jiffies g=-219 q=807 ncpus=4) [ 8721.234710] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8721.234780] Workqueue: mld mld_ifc_work [ 8721.234812] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8721.234849] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 8721.234953] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 8721.234987] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 8721.235036] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 8721.235084] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 8721.235132] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 8721.235181] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 8721.235231] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 8721.235279] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8721.235320] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 8721.235369] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8721.235418] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8721.235466] PKRU: 55555554 [ 8721.235485] Call Trace: [ 8721.235500] [ 8721.235521] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 8721.235560] ? 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) [ 8721.235595] ? notifier_call_chain (kernel/notifier.c:93) [ 8721.235630] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 8721.235664] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 8721.235699] ? 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) [ 8721.235734] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 8721.235773] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 8721.235800] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 8721.235835] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 8721.235869] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8721.235902] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8721.235935] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8721.235968] [ 8721.235987] [ 8721.236008] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8721.236043] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8721.236070] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 8721.236105] netdev_core_pick_tx (net/core/dev.c:4211) [ 8721.236133] __dev_queue_xmit (net/core/dev.c:4295) [ 8721.236161] ? eth_header (net/ethernet/eth.c:85) [ 8721.236188] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8721.236216] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8721.236250] mld_sendpack (net/ipv6/mcast.c:1822) [ 8721.236278] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8721.236304] process_one_work (kernel/workqueue.c:3254) [ 8721.236335] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8721.236368] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8721.236396] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8721.236429] kthread (kernel/kthread.c:388) [ 8721.236456] ? __pfx_kthread (kernel/kthread.c:341) [ 8721.236483] ret_from_fork (arch/x86/kernel/process.c:147) [ 8721.236510] ? __pfx_kthread (kernel/kthread.c:341) [ 8721.236537] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8782.906393] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 8736253 jiffies s: 77 root: 0x2/. | [ 8782.906594] rcu: blocking rcu_node structures (internal RCU debug): | [ 8782.906635] Sending NMI from CPU 2 to CPUs 1: | [ 8782.906677] NMI backtrace for cpu 1 [ 8782.906690] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8782.906692] Workqueue: mld mld_ifc_work [ 8782.906699] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8782.906703] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 8782.906705] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 8782.906706] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 8782.906707] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 8782.906708] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 8782.906709] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 8782.906710] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 8782.906713] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 8782.906714] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8782.906715] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 8782.906716] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8782.906717] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8782.906718] PKRU: 55555554 [ 8782.906718] Call Trace: [ 8782.906720] [ 8782.906722] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 8782.906725] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 8782.906730] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 8782.906734] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 8782.906737] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 8782.906738] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 8782.906742] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8782.906743] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8782.906745] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8782.906746] [ 8782.906747] [ 8782.906747] netdev_core_pick_tx (net/core/dev.c:4211) [ 8782.906752] __dev_queue_xmit (net/core/dev.c:4295) [ 8782.906754] ? eth_header (net/ethernet/eth.c:85) [ 8782.906758] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8782.906761] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8782.906764] mld_sendpack (net/ipv6/mcast.c:1822) [ 8782.906767] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8782.906769] process_one_work (kernel/workqueue.c:3254) [ 8782.906773] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8782.906775] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8782.906777] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8782.906779] kthread (kernel/kthread.c:388) [ 8782.906781] ? __pfx_kthread (kernel/kthread.c:341) [ 8782.906782] ret_from_fork (arch/x86/kernel/process.c:147) [ 8782.906785] ? __pfx_kthread (kernel/kthread.c:341) [ 8782.906786] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8782.906791] | [ 8784.237386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 8784.237458] rcu: 1-....: (8781904 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=1989000 | [ 8784.237529] rcu: (t=8778417 jiffies g=-219 q=807 ncpus=4) [ 8784.237604] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8784.237674] Workqueue: mld mld_ifc_work [ 8784.237705] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8784.237740] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 8784.237845] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 8784.237880] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 8784.237929] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 8784.237978] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 8784.238027] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 8784.238076] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 8784.238126] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 8784.238179] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8784.238218] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 8784.238265] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8784.238311] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8784.238359] PKRU: 55555554 [ 8784.238379] Call Trace: [ 8784.238399] [ 8784.238421] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 8784.238460] ? 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) [ 8784.238495] ? notifier_call_chain (kernel/notifier.c:93) [ 8784.238530] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 8784.238564] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 8784.238599] ? 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) [ 8784.238633] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 8784.238671] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 8784.238697] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 8784.238732] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 8784.238766] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8784.238801] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8784.238835] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8784.238869] [ 8784.238890] [ 8784.238910] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8784.238945] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8784.238971] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 8784.239006] netdev_core_pick_tx (net/core/dev.c:4211) [ 8784.239033] __dev_queue_xmit (net/core/dev.c:4295) [ 8784.239060] ? eth_header (net/ethernet/eth.c:85) [ 8784.239087] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8784.239115] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8784.239149] mld_sendpack (net/ipv6/mcast.c:1822) [ 8784.239177] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8784.239204] process_one_work (kernel/workqueue.c:3254) [ 8784.239231] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8784.239265] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8784.239292] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8784.239326] kthread (kernel/kthread.c:388) [ 8784.239352] ? __pfx_kthread (kernel/kthread.c:341) [ 8784.239378] ret_from_fork (arch/x86/kernel/process.c:147) [ 8784.239404] ? __pfx_kthread (kernel/kthread.c:341) [ 8784.239431] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8784.239458] | [ 8847.240386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 8847.240487] rcu: 1-....: (8844906 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=2002282 | [ 8847.240556] rcu: (t=8841420 jiffies g=-219 q=807 ncpus=4) [ 8847.240635] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8847.240714] Workqueue: mld mld_ifc_work [ 8847.240750] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 8847.240789] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 8847.240894] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 8847.240929] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 8847.240983] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 8847.241032] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 8847.241080] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 8847.241128] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 8847.241179] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 8847.241230] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8847.241272] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 8847.241322] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8847.241373] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8847.241420] PKRU: 55555554 [ 8847.241440] Call Trace: [ 8847.241461] [ 8847.241480] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 8847.241518] ? 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) [ 8847.241553] ? notifier_call_chain (kernel/notifier.c:93) [ 8847.241587] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 8847.241622] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 8847.241657] ? 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) [ 8847.241698] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 8847.241733] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 8847.241760] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 8847.241794] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 8847.241828] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8847.241864] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8847.241897] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8847.241931] [ 8847.241951] [ 8847.241971] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8847.242006] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 8847.242033] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 8847.242067] netdev_core_pick_tx (net/core/dev.c:4211) [ 8847.242101] __dev_queue_xmit (net/core/dev.c:4295) [ 8847.242127] ? eth_header (net/ethernet/eth.c:85) [ 8847.242158] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8847.242189] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8847.242227] mld_sendpack (net/ipv6/mcast.c:1822) [ 8847.242256] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8847.242282] process_one_work (kernel/workqueue.c:3254) [ 8847.242310] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8847.242344] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8847.242372] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8847.242406] kthread (kernel/kthread.c:388) [ 8847.242435] ? __pfx_kthread (kernel/kthread.c:341) [ 8847.242462] ret_from_fork (arch/x86/kernel/process.c:147) [ 8847.242489] ? __pfx_kthread (kernel/kthread.c:341) [ 8847.242516] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8848.441396] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 8801788 jiffies s: 77 root: 0x2/. | [ 8848.441509] rcu: blocking rcu_node structures (internal RCU debug): | [ 8848.441547] Sending NMI from CPU 2 to CPUs 1: | [ 8848.441584] NMI backtrace for cpu 1 [ 8848.441598] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8848.441601] Workqueue: mld mld_ifc_work [ 8848.441608] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8848.441610] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 8848.441611] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 8848.441612] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 8848.441613] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 8848.441614] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 8848.441615] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 8848.441615] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 8848.441618] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 8848.441619] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8848.441620] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 8848.441621] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8848.441621] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8848.441622] PKRU: 55555554 [ 8848.441623] Call Trace: [ 8848.441626] [ 8848.441631] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 8848.441635] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 8848.441638] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 8848.441642] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 8848.441644] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 8848.441645] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 8848.441647] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8848.441649] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8848.441651] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8848.441652] [ 8848.441652] [ 8848.441653] netdev_core_pick_tx (net/core/dev.c:4211) [ 8848.441656] __dev_queue_xmit (net/core/dev.c:4295) [ 8848.441658] ? eth_header (net/ethernet/eth.c:85) [ 8848.441660] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8848.441663] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8848.441665] mld_sendpack (net/ipv6/mcast.c:1822) [ 8848.441667] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8848.441669] process_one_work (kernel/workqueue.c:3254) [ 8848.441671] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8848.441673] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8848.441675] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8848.441676] kthread (kernel/kthread.c:388) [ 8848.441678] ? __pfx_kthread (kernel/kthread.c:341) [ 8848.441679] ret_from_fork (arch/x86/kernel/process.c:147) [ 8848.441682] ? __pfx_kthread (kernel/kthread.c:341) [ 8848.441683] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8848.441686] | [ 8910.243387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 8910.243497] rcu: 1-....: (8907908 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=2015574 | [ 8910.243567] rcu: (t=8904423 jiffies g=-219 q=807 ncpus=4) [ 8910.243643] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8910.243726] Workqueue: mld mld_ifc_work [ 8910.243762] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8910.243801] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 8910.243905] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 8910.243939] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 8910.243986] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 8910.244036] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 8910.244082] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 8910.244132] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 8910.244182] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 8910.244235] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8910.244275] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 8910.244324] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8910.244372] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8910.244421] PKRU: 55555554 [ 8910.244441] Call Trace: [ 8910.244456] [ 8910.244477] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 8910.244517] ? 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) [ 8910.244551] ? notifier_call_chain (kernel/notifier.c:93) [ 8910.244586] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 8910.244624] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 8910.244658] ? 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) [ 8910.244702] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 8910.244741] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 8910.244768] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 8910.244803] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 8910.244837] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8910.244872] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8910.244907] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8910.244942] [ 8910.244961] [ 8910.244982] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8910.245019] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8910.245045] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 8910.245078] netdev_core_pick_tx (net/core/dev.c:4211) [ 8910.245109] __dev_queue_xmit (net/core/dev.c:4295) [ 8910.245135] ? eth_header (net/ethernet/eth.c:85) [ 8910.245166] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8910.245194] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8910.245228] mld_sendpack (net/ipv6/mcast.c:1822) [ 8910.245256] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8910.245283] process_one_work (kernel/workqueue.c:3254) [ 8910.245310] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8910.245344] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8910.245371] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8910.245405] kthread (kernel/kthread.c:388) [ 8910.245432] ? __pfx_kthread (kernel/kthread.c:341) [ 8910.245459] ret_from_fork (arch/x86/kernel/process.c:147) [ 8910.245489] ? __pfx_kthread (kernel/kthread.c:341) [ 8910.245516] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8913.978395] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 8867325 jiffies s: 77 root: 0x2/. | [ 8913.978525] rcu: blocking rcu_node structures (internal RCU debug): | [ 8913.978563] Sending NMI from CPU 2 to CPUs 1: | [ 8913.978600] NMI backtrace for cpu 1 [ 8913.978605] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8913.978606] Workqueue: mld mld_ifc_work [ 8913.978610] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 8913.978612] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 8913.978613] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 8913.978614] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 8913.978615] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 8913.978616] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 8913.978617] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 8913.978617] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 8913.978620] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 8913.978621] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8913.978622] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 8913.978623] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8913.978623] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8913.978624] PKRU: 55555554 [ 8913.978625] Call Trace: [ 8913.978626] [ 8913.978626] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 8913.978629] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 8913.978632] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 8913.978636] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 8913.978638] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 8913.978639] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 8913.978642] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 8913.978643] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 8913.978645] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 8913.978646] [ 8913.978647] [ 8913.978647] netdev_core_pick_tx (net/core/dev.c:4211) [ 8913.978650] __dev_queue_xmit (net/core/dev.c:4295) [ 8913.978653] ? eth_header (net/ethernet/eth.c:85) [ 8913.978655] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8913.978657] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8913.978660] mld_sendpack (net/ipv6/mcast.c:1822) [ 8913.978662] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8913.978664] process_one_work (kernel/workqueue.c:3254) [ 8913.978667] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8913.978668] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8913.978670] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8913.978672] kthread (kernel/kthread.c:388) [ 8913.978674] ? __pfx_kthread (kernel/kthread.c:341) [ 8913.978675] ret_from_fork (arch/x86/kernel/process.c:147) [ 8913.978677] ? __pfx_kthread (kernel/kthread.c:341) [ 8913.978679] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8913.978682] | [ 8973.246387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 8973.246560] rcu: 1-....: (8970910 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=2029093 | [ 8973.246627] rcu: (t=8967426 jiffies g=-219 q=807 ncpus=4) [ 8973.246708] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8973.246779] Workqueue: mld mld_ifc_work [ 8973.246814] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8973.246855] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 8973.246962] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 8973.246996] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 8973.247045] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 8973.247094] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 8973.247142] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 8973.247190] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 8973.247241] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 8973.247294] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8973.247335] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 8973.247384] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8973.247430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8973.247476] PKRU: 55555554 [ 8973.247496] Call Trace: [ 8973.247511] [ 8973.247530] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 8973.247571] ? 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) [ 8973.247605] ? notifier_call_chain (kernel/notifier.c:93) [ 8973.247639] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 8973.247674] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 8973.247708] ? 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) [ 8973.247744] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 8973.247781] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 8973.247809] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 8973.247843] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 8973.247878] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8973.247911] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8973.247945] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8973.247983] [ 8973.248003] [ 8973.248023] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8973.248059] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8973.248086] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 8973.248123] netdev_core_pick_tx (net/core/dev.c:4211) [ 8973.248154] __dev_queue_xmit (net/core/dev.c:4295) [ 8973.248180] ? eth_header (net/ethernet/eth.c:85) [ 8973.248208] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8973.248242] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8973.248279] mld_sendpack (net/ipv6/mcast.c:1822) [ 8973.248306] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8973.248333] process_one_work (kernel/workqueue.c:3254) [ 8973.248364] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8973.248398] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8973.248426] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8973.248460] kthread (kernel/kthread.c:388) [ 8973.248487] ? __pfx_kthread (kernel/kthread.c:341) [ 8973.248514] ret_from_fork (arch/x86/kernel/process.c:147) [ 8973.248544] ? __pfx_kthread (kernel/kthread.c:341) [ 8973.248571] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8979.514392] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 8932861 jiffies s: 77 root: 0x2/. | [ 8979.514571] rcu: blocking rcu_node structures (internal RCU debug): | [ 8979.514610] Sending NMI from CPU 2 to CPUs 1: | [ 8979.514648] NMI backtrace for cpu 1 [ 8979.514653] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8979.514655] Workqueue: mld mld_ifc_work [ 8979.514658] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8979.514661] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 8979.514663] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 8979.514664] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 8979.514665] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 8979.514666] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 8979.514666] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 8979.514667] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 8979.514669] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 8979.514671] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8979.514671] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 8979.514672] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8979.514673] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8979.514674] PKRU: 55555554 [ 8979.514674] Call Trace: [ 8979.514675] [ 8979.514677] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 8979.514680] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 8979.514683] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 8979.514687] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 8979.514690] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 8979.514691] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 8979.514693] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8979.514695] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8979.514697] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8979.514698] [ 8979.514698] [ 8979.514699] netdev_core_pick_tx (net/core/dev.c:4211) [ 8979.514702] __dev_queue_xmit (net/core/dev.c:4295) [ 8979.514705] ? eth_header (net/ethernet/eth.c:85) [ 8979.514707] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8979.514710] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8979.514713] mld_sendpack (net/ipv6/mcast.c:1822) [ 8979.514715] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8979.514718] process_one_work (kernel/workqueue.c:3254) [ 8979.514720] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8979.514721] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8979.514723] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8979.514725] kthread (kernel/kthread.c:388) [ 8979.514727] ? __pfx_kthread (kernel/kthread.c:341) [ 8979.514728] ret_from_fork (arch/x86/kernel/process.c:147) [ 8979.514731] ? __pfx_kthread (kernel/kthread.c:341) [ 8979.514732] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8979.514735] | [ 9036.249387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 9036.249548] rcu: 1-....: (9033912 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=2042366 | [ 9036.249618] rcu: (t=9030429 jiffies g=-219 q=807 ncpus=4) [ 9036.249698] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9036.249768] Workqueue: mld mld_ifc_work [ 9036.249803] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9036.249843] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 9036.249945] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 9036.249978] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 9036.250027] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 9036.250076] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 9036.250132] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 9036.250180] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 9036.250232] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 9036.250284] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9036.250325] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 9036.250375] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9036.250422] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9036.250472] PKRU: 55555554 [ 9036.250492] Call Trace: [ 9036.250508] [ 9036.250527] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 9036.250568] ? 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) [ 9036.250602] ? notifier_call_chain (kernel/notifier.c:93) [ 9036.250636] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 9036.250670] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 9036.250705] ? 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) [ 9036.250740] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 9036.250775] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 9036.250803] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 9036.250837] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 9036.250872] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9036.250907] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9036.250942] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9036.250976] [ 9036.250997] [ 9036.251016] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9036.251049] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9036.251075] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 9036.251109] netdev_core_pick_tx (net/core/dev.c:4211) [ 9036.251141] __dev_queue_xmit (net/core/dev.c:4295) [ 9036.251169] ? eth_header (net/ethernet/eth.c:85) [ 9036.251201] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9036.251232] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9036.251270] mld_sendpack (net/ipv6/mcast.c:1822) [ 9036.251298] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9036.251326] process_one_work (kernel/workqueue.c:3254) [ 9036.251353] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9036.251388] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9036.251415] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9036.251449] kthread (kernel/kthread.c:388) [ 9036.251476] ? __pfx_kthread (kernel/kthread.c:341) [ 9036.251504] ret_from_fork (arch/x86/kernel/process.c:147) [ 9036.251531] ? __pfx_kthread (kernel/kthread.c:341) [ 9036.251559] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9045.049393] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 8998396 jiffies s: 77 root: 0x2/. | [ 9045.049584] rcu: blocking rcu_node structures (internal RCU debug): | [ 9045.049623] Sending NMI from CPU 2 to CPUs 1: | [ 9045.049660] NMI backtrace for cpu 1 [ 9045.049666] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9045.049667] Workqueue: mld mld_ifc_work [ 9045.049671] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9045.049675] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 9045.049676] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 9045.049677] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 9045.049678] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 9045.049679] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 9045.049680] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 9045.049680] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 9045.049683] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 9045.049684] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9045.049685] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 9045.049685] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9045.049686] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9045.049687] PKRU: 55555554 [ 9045.049687] Call Trace: [ 9045.049688] [ 9045.049689] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 9045.049692] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 9045.049695] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 9045.049700] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 9045.049702] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 9045.049703] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 9045.049706] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9045.049708] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9045.049710] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9045.049711] [ 9045.049711] [ 9045.049712] netdev_core_pick_tx (net/core/dev.c:4211) [ 9045.049716] __dev_queue_xmit (net/core/dev.c:4295) [ 9045.049718] ? eth_header (net/ethernet/eth.c:85) [ 9045.049720] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9045.049723] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9045.049725] mld_sendpack (net/ipv6/mcast.c:1822) [ 9045.049728] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9045.049730] process_one_work (kernel/workqueue.c:3254) [ 9045.049732] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9045.049734] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9045.049736] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9045.049738] kthread (kernel/kthread.c:388) [ 9045.049739] ? __pfx_kthread (kernel/kthread.c:341) [ 9045.049741] ret_from_fork (arch/x86/kernel/process.c:147) [ 9045.049743] ? __pfx_kthread (kernel/kthread.c:341) [ 9045.049744] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9045.049747] | [ 9099.252387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 9099.252565] rcu: 1-....: (9096914 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=2055702 | [ 9099.252635] rcu: (t=9093432 jiffies g=-219 q=807 ncpus=4) [ 9099.252711] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9099.252782] Workqueue: mld mld_ifc_work [ 9099.252817] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9099.252854] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 9099.252960] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 9099.252994] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 9099.253074] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 9099.253123] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 9099.253172] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 9099.253220] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 9099.253271] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 9099.253322] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9099.253364] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 9099.253414] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9099.253460] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9099.253506] PKRU: 55555554 [ 9099.253526] Call Trace: [ 9099.253547] [ 9099.253567] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 9099.253614] ? 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) [ 9099.253648] ? notifier_call_chain (kernel/notifier.c:93) [ 9099.253682] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 9099.253716] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 9099.253750] ? 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) [ 9099.253786] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 9099.253825] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 9099.253852] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 9099.253886] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 9099.253921] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9099.253955] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9099.253989] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9099.254023] [ 9099.254043] [ 9099.254063] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9099.254099] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9099.254126] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 9099.254161] netdev_core_pick_tx (net/core/dev.c:4211) [ 9099.254192] __dev_queue_xmit (net/core/dev.c:4295) [ 9099.254219] ? eth_header (net/ethernet/eth.c:85) [ 9099.254249] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9099.254278] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9099.254313] mld_sendpack (net/ipv6/mcast.c:1822) [ 9099.254342] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9099.254368] process_one_work (kernel/workqueue.c:3254) [ 9099.254401] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9099.254435] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9099.254462] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9099.254496] kthread (kernel/kthread.c:388) [ 9099.254523] ? __pfx_kthread (kernel/kthread.c:341) [ 9099.254551] ret_from_fork (arch/x86/kernel/process.c:147) [ 9099.254578] ? __pfx_kthread (kernel/kthread.c:341) [ 9099.254605] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9110.586393] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 9063933 jiffies s: 77 root: 0x2/. | [ 9110.586571] rcu: blocking rcu_node structures (internal RCU debug): | [ 9110.586608] Sending NMI from CPU 2 to CPUs 1: | [ 9110.586656] NMI backtrace for cpu 1 [ 9110.586662] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9110.586663] Workqueue: mld mld_ifc_work [ 9110.586668] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9110.586671] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 9110.586672] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 9110.586674] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 9110.586675] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 9110.586675] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 9110.586676] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 9110.586677] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 9110.586679] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 9110.586680] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9110.586681] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 9110.586682] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9110.586683] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9110.586683] PKRU: 55555554 [ 9110.586684] Call Trace: [ 9110.586685] [ 9110.586686] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 9110.586689] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 9110.586692] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 9110.586696] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 9110.586699] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 9110.586700] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 9110.586703] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9110.586705] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9110.586706] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9110.586708] [ 9110.586708] [ 9110.586708] netdev_core_pick_tx (net/core/dev.c:4211) [ 9110.586712] __dev_queue_xmit (net/core/dev.c:4295) [ 9110.586714] ? eth_header (net/ethernet/eth.c:85) [ 9110.586717] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9110.586720] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9110.586722] mld_sendpack (net/ipv6/mcast.c:1822) [ 9110.586724] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9110.586726] process_one_work (kernel/workqueue.c:3254) [ 9110.586729] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9110.586731] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9110.586733] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9110.586735] kthread (kernel/kthread.c:388) [ 9110.586737] ? __pfx_kthread (kernel/kthread.c:341) [ 9110.586738] ret_from_fork (arch/x86/kernel/process.c:147) [ 9110.586741] ? __pfx_kthread (kernel/kthread.c:341) [ 9110.586742] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9110.586745] | [ 9162.255395] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 9162.255561] rcu: 1-....: (9159916 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=2069466 | [ 9162.255627] rcu: (t=9156435 jiffies g=-219 q=807 ncpus=4) [ 9162.255710] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9162.255781] Workqueue: mld mld_ifc_work [ 9162.255817] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 9162.255860] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 9162.255963] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 9162.255996] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 9162.256046] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 9162.256095] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 9162.256146] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 9162.256194] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 9162.256245] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 9162.256296] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9162.256336] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 9162.256385] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9162.256434] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9162.256484] PKRU: 55555554 [ 9162.256504] Call Trace: [ 9162.256523] [ 9162.256551] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 9162.256592] ? 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) [ 9162.256626] ? notifier_call_chain (kernel/notifier.c:93) [ 9162.256661] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 9162.256698] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 9162.256733] ? 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) [ 9162.256767] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 9162.256802] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 9162.256829] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 9162.256865] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 9162.256900] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9162.256935] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9162.256975] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9162.257012] [ 9162.257032] [ 9162.257045] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9162.257083] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 9162.257109] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 9162.257143] netdev_core_pick_tx (net/core/dev.c:4211) [ 9162.257174] __dev_queue_xmit (net/core/dev.c:4295) [ 9162.257201] ? eth_header (net/ethernet/eth.c:85) [ 9162.257232] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9162.257260] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9162.257294] mld_sendpack (net/ipv6/mcast.c:1822) [ 9162.257322] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9162.257349] process_one_work (kernel/workqueue.c:3254) [ 9162.257380] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9162.257414] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9162.257443] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9162.257477] kthread (kernel/kthread.c:388) [ 9162.257505] ? __pfx_kthread (kernel/kthread.c:341) [ 9162.257532] ret_from_fork (arch/x86/kernel/process.c:147) [ 9162.257559] ? __pfx_kthread (kernel/kthread.c:341) [ 9162.257587] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9176.122401] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 9129469 jiffies s: 77 root: 0x2/. | [ 9176.122590] rcu: blocking rcu_node structures (internal RCU debug): | [ 9176.122631] Sending NMI from CPU 2 to CPUs 1: | [ 9176.122678] NMI backtrace for cpu 1 [ 9176.122684] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9176.122685] Workqueue: mld mld_ifc_work [ 9176.122689] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9176.122692] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 9176.122694] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 9176.122695] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 9176.122696] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 9176.122696] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 9176.122697] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 9176.122698] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 9176.122700] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 9176.122701] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9176.122702] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 9176.122703] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9176.122703] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9176.122704] PKRU: 55555554 [ 9176.122705] Call Trace: [ 9176.122706] [ 9176.122707] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 9176.122710] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 9176.122713] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 9176.122717] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 9176.122719] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 9176.122720] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 9176.122724] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9176.122725] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9176.122727] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9176.122728] [ 9176.122728] [ 9176.122729] netdev_core_pick_tx (net/core/dev.c:4211) [ 9176.122732] __dev_queue_xmit (net/core/dev.c:4295) [ 9176.122734] ? eth_header (net/ethernet/eth.c:85) [ 9176.122737] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9176.122740] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9176.122743] mld_sendpack (net/ipv6/mcast.c:1822) [ 9176.122745] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9176.122747] process_one_work (kernel/workqueue.c:3254) [ 9176.122750] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9176.122752] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9176.122754] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9176.122755] kthread (kernel/kthread.c:388) [ 9176.122757] ? __pfx_kthread (kernel/kthread.c:341) [ 9176.122759] ret_from_fork (arch/x86/kernel/process.c:147) [ 9176.122761] ? __pfx_kthread (kernel/kthread.c:341) [ 9176.122762] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9176.122765] | [ 9225.258387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 9225.258556] rcu: 1-....: (9222918 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=2082979 | [ 9225.258623] rcu: (t=9219438 jiffies g=-219 q=807 ncpus=4) [ 9225.258707] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9225.258779] Workqueue: mld mld_ifc_work [ 9225.258816] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9225.258857] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 9225.258963] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 9225.258999] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 9225.259048] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 9225.259096] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 9225.259145] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 9225.259193] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 9225.259249] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 9225.259302] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9225.259343] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 9225.259393] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9225.259440] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9225.259486] PKRU: 55555554 [ 9225.259500] Call Trace: [ 9225.259523] [ 9225.259542] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 9225.259582] ? 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) [ 9225.259616] ? notifier_call_chain (kernel/notifier.c:93) [ 9225.259650] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 9225.259685] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 9225.259719] ? 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) [ 9225.259754] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 9225.259795] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 9225.259822] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 9225.259857] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 9225.259891] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9225.259926] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9225.259960] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9225.259995] [ 9225.260015] [ 9225.260036] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9225.260070] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9225.260098] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 9225.260132] netdev_core_pick_tx (net/core/dev.c:4211) [ 9225.260160] __dev_queue_xmit (net/core/dev.c:4295) [ 9225.260187] ? eth_header (net/ethernet/eth.c:85) [ 9225.260218] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9225.260245] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9225.260280] mld_sendpack (net/ipv6/mcast.c:1822) [ 9225.260307] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9225.260334] process_one_work (kernel/workqueue.c:3254) [ 9225.260365] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9225.260399] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9225.260427] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9225.260461] kthread (kernel/kthread.c:388) [ 9225.260488] ? __pfx_kthread (kernel/kthread.c:341) [ 9225.260515] ret_from_fork (arch/x86/kernel/process.c:147) [ 9225.260543] ? __pfx_kthread (kernel/kthread.c:341) [ 9225.260569] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9241.658392] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 9195005 jiffies s: 77 root: 0x2/. | [ 9241.658575] rcu: blocking rcu_node structures (internal RCU debug): | [ 9241.658617] Sending NMI from CPU 2 to CPUs 1: | [ 9241.658658] NMI backtrace for cpu 1 [ 9241.658665] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9241.658666] Workqueue: mld mld_ifc_work [ 9241.658672] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9241.658676] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 9241.658678] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 9241.658679] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 9241.658680] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 9241.658681] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 9241.658682] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 9241.658683] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 9241.658685] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 9241.658686] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9241.658687] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 9241.658688] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9241.658689] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9241.658690] PKRU: 55555554 [ 9241.658690] Call Trace: [ 9241.658692] [ 9241.658693] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 9241.658696] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 9241.658700] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 9241.658704] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 9241.658706] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 9241.658708] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 9241.658711] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9241.658713] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9241.658715] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9241.658716] [ 9241.658717] [ 9241.658717] netdev_core_pick_tx (net/core/dev.c:4211) [ 9241.658721] __dev_queue_xmit (net/core/dev.c:4295) [ 9241.658723] ? eth_header (net/ethernet/eth.c:85) [ 9241.658726] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9241.658730] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9241.658733] mld_sendpack (net/ipv6/mcast.c:1822) [ 9241.658736] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9241.658738] process_one_work (kernel/workqueue.c:3254) [ 9241.658742] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9241.658744] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9241.658746] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9241.658747] kthread (kernel/kthread.c:388) [ 9241.658749] ? __pfx_kthread (kernel/kthread.c:341) [ 9241.658751] ret_from_fork (arch/x86/kernel/process.c:147) [ 9241.658754] ? __pfx_kthread (kernel/kthread.c:341) [ 9241.658755] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9241.658759] | [ 9288.261386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 9288.261563] rcu: 1-....: (9285920 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=2096264 | [ 9288.261631] rcu: (t=9282441 jiffies g=-219 q=807 ncpus=4) [ 9288.261713] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9288.261784] Workqueue: mld mld_ifc_work [ 9288.261820] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9288.261858] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 9288.261960] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 9288.261994] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 9288.262044] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 9288.262093] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 9288.262142] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 9288.262192] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 9288.262243] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 9288.262291] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9288.262333] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 9288.262382] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9288.262430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9288.262480] PKRU: 55555554 [ 9288.262500] Call Trace: [ 9288.262517] [ 9288.262536] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 9288.262575] ? 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) [ 9288.262609] ? notifier_call_chain (kernel/notifier.c:93) [ 9288.262643] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 9288.262678] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 9288.262712] ? 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) [ 9288.262747] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 9288.262786] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 9288.262814] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 9288.262849] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 9288.262883] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9288.262919] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9288.262953] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9288.262986] [ 9288.263005] [ 9288.263025] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9288.263059] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9288.263085] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 9288.263120] netdev_core_pick_tx (net/core/dev.c:4211) [ 9288.263152] __dev_queue_xmit (net/core/dev.c:4295) [ 9288.263178] ? eth_header (net/ethernet/eth.c:85) [ 9288.263205] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9288.263236] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9288.263270] mld_sendpack (net/ipv6/mcast.c:1822) [ 9288.263298] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9288.263326] process_one_work (kernel/workqueue.c:3254) [ 9288.263357] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9288.263391] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9288.263419] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9288.263454] kthread (kernel/kthread.c:388) [ 9288.263481] ? __pfx_kthread (kernel/kthread.c:341) [ 9288.263509] ret_from_fork (arch/x86/kernel/process.c:147) [ 9288.263536] ? __pfx_kthread (kernel/kthread.c:341) [ 9288.263563] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9307.193393] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 9260540 jiffies s: 77 root: 0x2/. | [ 9307.193612] rcu: blocking rcu_node structures (internal RCU debug): | [ 9307.193650] Sending NMI from CPU 2 to CPUs 1: | [ 9307.193688] NMI backtrace for cpu 1 [ 9307.193695] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9307.193697] Workqueue: mld mld_ifc_work [ 9307.193704] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9307.193708] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 9307.193710] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 9307.193712] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 9307.193713] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 9307.193714] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 9307.193714] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 9307.193715] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 9307.193718] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 9307.193719] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9307.193720] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 9307.193721] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9307.193722] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9307.193722] PKRU: 55555554 [ 9307.193723] Call Trace: [ 9307.193725] [ 9307.193727] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 9307.193730] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 9307.193734] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 9307.193738] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 9307.193741] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 9307.193742] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 9307.193745] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9307.193747] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9307.193749] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9307.193750] [ 9307.193750] [ 9307.193751] netdev_core_pick_tx (net/core/dev.c:4211) [ 9307.193756] __dev_queue_xmit (net/core/dev.c:4295) [ 9307.193758] ? eth_header (net/ethernet/eth.c:85) [ 9307.193762] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9307.193766] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9307.193769] mld_sendpack (net/ipv6/mcast.c:1822) [ 9307.193772] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9307.193775] process_one_work (kernel/workqueue.c:3254) [ 9307.193779] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9307.193781] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9307.193783] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9307.193784] kthread (kernel/kthread.c:388) [ 9307.193787] ? __pfx_kthread (kernel/kthread.c:341) [ 9307.193788] ret_from_fork (arch/x86/kernel/process.c:147) [ 9307.193791] ? __pfx_kthread (kernel/kthread.c:341) [ 9307.193792] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9307.193797] | [ 9351.264387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 9351.264558] rcu: 1-....: (9348922 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=2109988 | [ 9351.264624] rcu: (t=9345444 jiffies g=-219 q=807 ncpus=4) [ 9351.264707] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9351.264780] Workqueue: mld mld_ifc_work [ 9351.264821] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 9351.264861] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 9351.264967] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 9351.265000] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 9351.265048] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 9351.265097] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 9351.265146] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 9351.265195] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 9351.265245] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 9351.265297] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9351.265337] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 9351.265387] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9351.265432] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9351.265479] PKRU: 55555554 [ 9351.265498] Call Trace: [ 9351.265522] [ 9351.265551] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 9351.265593] ? 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) [ 9351.265627] ? notifier_call_chain (kernel/notifier.c:93) [ 9351.265662] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 9351.265700] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 9351.265734] ? 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) [ 9351.265770] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 9351.265804] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 9351.265836] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 9351.265870] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 9351.265904] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9351.265939] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9351.265974] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9351.266008] [ 9351.266028] [ 9351.266049] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9351.266084] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 9351.266111] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 9351.266144] netdev_core_pick_tx (net/core/dev.c:4211) [ 9351.266178] __dev_queue_xmit (net/core/dev.c:4295) [ 9351.266208] ? eth_header (net/ethernet/eth.c:85) [ 9351.266239] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9351.266271] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9351.266309] mld_sendpack (net/ipv6/mcast.c:1822) [ 9351.266337] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9351.266364] process_one_work (kernel/workqueue.c:3254) [ 9351.266396] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9351.266430] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9351.266457] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9351.266491] kthread (kernel/kthread.c:388) [ 9351.266520] ? __pfx_kthread (kernel/kthread.c:341) [ 9351.266546] ret_from_fork (arch/x86/kernel/process.c:147) [ 9351.266573] ? __pfx_kthread (kernel/kthread.c:341) [ 9351.266599] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9372.729397] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 9326076 jiffies s: 77 root: 0x2/. | [ 9372.729533] rcu: blocking rcu_node structures (internal RCU debug): | [ 9372.729577] Sending NMI from CPU 2 to CPUs 1: | [ 9372.729626] NMI backtrace for cpu 1 [ 9372.729639] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9372.729641] Workqueue: mld mld_ifc_work [ 9372.729648] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9372.729652] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 9372.729654] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 9372.729656] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 9372.729657] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 9372.729658] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 9372.729659] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 9372.729659] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 9372.729662] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 9372.729663] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9372.729664] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 9372.729665] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9372.729666] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9372.729667] PKRU: 55555554 [ 9372.729667] Call Trace: [ 9372.729669] [ 9372.729671] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 9372.729675] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 9372.729679] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 9372.729684] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 9372.729686] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 9372.729687] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 9372.729691] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9372.729693] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9372.729695] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9372.729696] [ 9372.729696] [ 9372.729697] netdev_core_pick_tx (net/core/dev.c:4211) [ 9372.729701] __dev_queue_xmit (net/core/dev.c:4295) [ 9372.729704] ? eth_header (net/ethernet/eth.c:85) [ 9372.729707] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9372.729711] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9372.729714] mld_sendpack (net/ipv6/mcast.c:1822) [ 9372.729718] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9372.729720] process_one_work (kernel/workqueue.c:3254) [ 9372.729723] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9372.729725] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9372.729727] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9372.729728] kthread (kernel/kthread.c:388) [ 9372.729730] ? __pfx_kthread (kernel/kthread.c:341) [ 9372.729732] ret_from_fork (arch/x86/kernel/process.c:147) [ 9372.729735] ? __pfx_kthread (kernel/kthread.c:341) [ 9372.729736] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9372.729740] | [ 9414.267386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 9414.267565] rcu: 1-....: (9411924 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=2123791 | [ 9414.267633] rcu: (t=9408447 jiffies g=-219 q=807 ncpus=4) [ 9414.267712] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9414.267787] Workqueue: mld mld_ifc_work [ 9414.267824] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9414.267864] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 9414.267976] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 9414.268012] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 9414.268064] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 9414.268109] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 9414.268155] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 9414.268202] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 9414.268256] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 9414.268312] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9414.268355] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 9414.268416] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9414.268468] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9414.268514] PKRU: 55555554 [ 9414.268530] Call Trace: [ 9414.268547] [ 9414.268567] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 9414.268608] ? 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) [ 9414.268645] ? notifier_call_chain (kernel/notifier.c:93) [ 9414.268681] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 9414.268717] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 9414.268753] ? 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) [ 9414.268789] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 9414.268826] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 9414.268855] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 9414.268891] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 9414.268928] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9414.268964] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9414.268999] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9414.269035] [ 9414.269050] [ 9414.269066] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9414.269103] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9414.269131] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 9414.269167] netdev_core_pick_tx (net/core/dev.c:4211) [ 9414.269197] __dev_queue_xmit (net/core/dev.c:4295) [ 9414.269225] ? eth_header (net/ethernet/eth.c:85) [ 9414.269253] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9414.269283] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9414.269318] mld_sendpack (net/ipv6/mcast.c:1822) [ 9414.269348] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9414.269377] process_one_work (kernel/workqueue.c:3254) [ 9414.269406] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9414.269442] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9414.269471] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9414.269506] kthread (kernel/kthread.c:388) [ 9414.269535] ? __pfx_kthread (kernel/kthread.c:341) [ 9414.269563] ret_from_fork (arch/x86/kernel/process.c:147) [ 9414.269592] ? __pfx_kthread (kernel/kthread.c:341) [ 9414.269620] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9438.266392] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 9391613 jiffies s: 77 root: 0x2/. | [ 9438.266512] rcu: blocking rcu_node structures (internal RCU debug): | [ 9438.266550] Sending NMI from CPU 2 to CPUs 1: | [ 9438.266589] NMI backtrace for cpu 1 [ 9438.266596] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9438.266599] Workqueue: mld mld_ifc_work [ 9438.266605] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 9438.266610] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 9438.266611] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 9438.266613] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 9438.266614] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 9438.266615] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 9438.266616] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 9438.266616] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 9438.266619] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 9438.266620] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9438.266621] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 9438.266622] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9438.266623] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9438.266623] PKRU: 55555554 [ 9438.266624] Call Trace: [ 9438.266626] [ 9438.266628] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 9438.266631] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 9438.266635] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 9438.266639] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 9438.266641] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 9438.266642] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 9438.266646] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 9438.266648] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 9438.266649] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 9438.266651] [ 9438.266651] [ 9438.266652] netdev_core_pick_tx (net/core/dev.c:4211) [ 9438.266656] __dev_queue_xmit (net/core/dev.c:4295) [ 9438.266658] ? eth_header (net/ethernet/eth.c:85) [ 9438.266662] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9438.266665] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9438.266669] mld_sendpack (net/ipv6/mcast.c:1822) [ 9438.266672] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9438.266674] process_one_work (kernel/workqueue.c:3254) [ 9438.266678] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9438.266679] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9438.266681] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9438.266683] kthread (kernel/kthread.c:388) [ 9438.266685] ? __pfx_kthread (kernel/kthread.c:341) [ 9438.266686] ret_from_fork (arch/x86/kernel/process.c:147) [ 9438.266689] ? __pfx_kthread (kernel/kthread.c:341) [ 9438.266690] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9438.266693] | [ 9477.270387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 9477.270565] rcu: 1-....: (9474926 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=2137719 | [ 9477.270634] rcu: (t=9471450 jiffies g=-219 q=807 ncpus=4) [ 9477.270713] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9477.270786] Workqueue: mld mld_ifc_work [ 9477.270822] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9477.270860] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 9477.270965] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 9477.270999] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 9477.271048] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 9477.271096] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 9477.271145] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 9477.271194] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 9477.271243] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 9477.271295] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9477.271335] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 9477.271382] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9477.271428] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9477.271476] PKRU: 55555554 [ 9477.271497] Call Trace: [ 9477.271518] [ 9477.271538] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 9477.271578] ? 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) [ 9477.271612] ? notifier_call_chain (kernel/notifier.c:93) [ 9477.271646] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 9477.271681] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 9477.271716] ? 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) [ 9477.271751] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 9477.271785] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 9477.271813] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 9477.271848] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 9477.271882] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9477.271916] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9477.271951] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9477.271985] [ 9477.272005] [ 9477.272047] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9477.272082] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9477.272109] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 9477.272160] netdev_core_pick_tx (net/core/dev.c:4211) [ 9477.272193] __dev_queue_xmit (net/core/dev.c:4295) [ 9477.272220] ? eth_header (net/ethernet/eth.c:85) [ 9477.272251] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9477.272279] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9477.272313] mld_sendpack (net/ipv6/mcast.c:1822) [ 9477.272341] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9477.272372] process_one_work (kernel/workqueue.c:3254) [ 9477.272414] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9477.272449] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9477.272476] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9477.272512] kthread (kernel/kthread.c:388) [ 9477.272539] ? __pfx_kthread (kernel/kthread.c:341) [ 9477.272566] ret_from_fork (arch/x86/kernel/process.c:147) [ 9477.272592] ? __pfx_kthread (kernel/kthread.c:341) [ 9477.272618] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9503.801395] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 9457148 jiffies s: 77 root: 0x2/. | [ 9503.801593] rcu: blocking rcu_node structures (internal RCU debug): | [ 9503.801632] Sending NMI from CPU 2 to CPUs 1: | [ 9503.801670] NMI backtrace for cpu 1 [ 9503.801678] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9503.801680] Workqueue: mld mld_ifc_work [ 9503.801687] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9503.801692] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 9503.801693] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 9503.801695] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 9503.801696] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 9503.801697] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 9503.801698] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 9503.801699] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 9503.801701] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 9503.801702] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9503.801703] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 9503.801704] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9503.801705] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9503.801705] PKRU: 55555554 [ 9503.801706] Call Trace: [ 9503.801708] [ 9503.801710] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 9503.801713] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 9503.801717] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 9503.801721] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 9503.801724] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 9503.801725] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 9503.801728] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9503.801730] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9503.801731] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9503.801733] [ 9503.801733] [ 9503.801734] netdev_core_pick_tx (net/core/dev.c:4211) [ 9503.801738] __dev_queue_xmit (net/core/dev.c:4295) [ 9503.801741] ? eth_header (net/ethernet/eth.c:85) [ 9503.801744] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9503.801748] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9503.801751] mld_sendpack (net/ipv6/mcast.c:1822) [ 9503.801754] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9503.801756] process_one_work (kernel/workqueue.c:3254) [ 9503.801760] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9503.801761] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9503.801763] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9503.801765] kthread (kernel/kthread.c:388) [ 9503.801767] ? __pfx_kthread (kernel/kthread.c:341) [ 9503.801769] ret_from_fork (arch/x86/kernel/process.c:147) [ 9503.801771] ? __pfx_kthread (kernel/kthread.c:341) [ 9503.801772] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9503.801776] | [ 9540.273387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 9540.273558] rcu: 1-....: (9537928 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=2151869 | [ 9540.273625] rcu: (t=9534453 jiffies g=-219 q=807 ncpus=4) [ 9540.273706] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9540.273776] Workqueue: mld mld_ifc_work [ 9540.273812] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9540.273850] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 9540.273953] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 9540.273987] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 9540.274036] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 9540.274085] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 9540.274133] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 9540.274182] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 9540.274232] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 9540.274284] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9540.274325] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 9540.274375] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9540.274422] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9540.274470] PKRU: 55555554 [ 9540.274491] Call Trace: [ 9540.274507] [ 9540.274527] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 9540.274566] ? 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) [ 9540.274601] ? notifier_call_chain (kernel/notifier.c:93) [ 9540.274635] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 9540.274672] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 9540.274707] ? 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) [ 9540.274742] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 9540.274780] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 9540.274806] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 9540.274841] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 9540.274875] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9540.274908] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9540.274942] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9540.274975] [ 9540.274994] [ 9540.275014] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9540.275048] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9540.275075] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 9540.275111] netdev_core_pick_tx (net/core/dev.c:4211) [ 9540.275141] __dev_queue_xmit (net/core/dev.c:4295) [ 9540.275168] ? eth_header (net/ethernet/eth.c:85) [ 9540.275200] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9540.275232] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9540.275270] mld_sendpack (net/ipv6/mcast.c:1822) [ 9540.275298] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9540.275325] process_one_work (kernel/workqueue.c:3254) [ 9540.275357] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9540.275391] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9540.275419] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9540.275453] kthread (kernel/kthread.c:388) [ 9540.275481] ? __pfx_kthread (kernel/kthread.c:341) [ 9540.275508] ret_from_fork (arch/x86/kernel/process.c:147) [ 9540.275536] ? __pfx_kthread (kernel/kthread.c:341) [ 9540.275563] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9569.338393] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 9522685 jiffies s: 77 root: 0x2/. | [ 9569.338513] rcu: blocking rcu_node structures (internal RCU debug): | [ 9569.338551] Sending NMI from CPU 2 to CPUs 1: | [ 9569.338589] NMI backtrace for cpu 1 [ 9569.338597] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9569.338599] Workqueue: mld mld_ifc_work [ 9569.338606] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9569.338610] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 9569.338611] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 9569.338613] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 9569.338614] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 9569.338615] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 9569.338616] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 9569.338617] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 9569.338620] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 9569.338621] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9569.338622] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 9569.338622] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9569.338623] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9569.338624] PKRU: 55555554 [ 9569.338624] Call Trace: [ 9569.338626] [ 9569.338628] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 9569.338631] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 9569.338635] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 9569.338639] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 9569.338641] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 9569.338642] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 9569.338646] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9569.338648] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9569.338650] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9569.338651] [ 9569.338651] [ 9569.338652] netdev_core_pick_tx (net/core/dev.c:4211) [ 9569.338657] __dev_queue_xmit (net/core/dev.c:4295) [ 9569.338659] ? eth_header (net/ethernet/eth.c:85) [ 9569.338662] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9569.338666] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9569.338669] mld_sendpack (net/ipv6/mcast.c:1822) [ 9569.338672] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9569.338674] process_one_work (kernel/workqueue.c:3254) [ 9569.338678] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9569.338680] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9569.338682] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9569.338683] kthread (kernel/kthread.c:388) [ 9569.338685] ? __pfx_kthread (kernel/kthread.c:341) [ 9569.338686] ret_from_fork (arch/x86/kernel/process.c:147) [ 9569.338689] ? __pfx_kthread (kernel/kthread.c:341) [ 9569.338690] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9569.338694] | [ 9603.276412] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 9603.276518] rcu: 1-....: (9600930 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=2166059 | [ 9603.276587] rcu: (t=9597456 jiffies g=-219 q=807 ncpus=4) [ 9603.276667] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9603.276737] Workqueue: mld mld_ifc_work [ 9603.276773] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9603.276814] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 9603.276921] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 9603.276956] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 9603.277005] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 9603.277053] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 9603.277102] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 9603.277151] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 9603.277214] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 9603.277269] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9603.277310] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 9603.277359] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9603.277405] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9603.277453] PKRU: 55555554 [ 9603.277473] Call Trace: [ 9603.277489] [ 9603.277509] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 9603.277553] ? 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) [ 9603.277601] ? notifier_call_chain (kernel/notifier.c:93) [ 9603.277635] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 9603.277670] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 9603.277704] ? 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) [ 9603.277739] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 9603.277777] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 9603.277804] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 9603.277838] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 9603.277873] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9603.277908] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9603.277942] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9603.277977] [ 9603.277997] [ 9603.278017] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9603.278052] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9603.278078] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 9603.278113] netdev_core_pick_tx (net/core/dev.c:4211) [ 9603.278141] __dev_queue_xmit (net/core/dev.c:4295) [ 9603.278170] ? eth_header (net/ethernet/eth.c:85) [ 9603.278201] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9603.278228] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9603.278262] mld_sendpack (net/ipv6/mcast.c:1822) [ 9603.278290] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9603.278318] process_one_work (kernel/workqueue.c:3254) [ 9603.278345] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9603.278378] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9603.278406] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9603.278441] kthread (kernel/kthread.c:388) [ 9603.278467] ? __pfx_kthread (kernel/kthread.c:341) [ 9603.278493] ret_from_fork (arch/x86/kernel/process.c:147) [ 9603.278523] ? __pfx_kthread (kernel/kthread.c:341) [ 9603.278549] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9634.874393] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 9588221 jiffies s: 77 root: 0x2/. | [ 9634.874582] rcu: blocking rcu_node structures (internal RCU debug): | [ 9634.874620] Sending NMI from CPU 2 to CPUs 1: | [ 9634.874659] NMI backtrace for cpu 1 [ 9634.874666] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9634.874668] Workqueue: mld mld_ifc_work [ 9634.874674] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9634.874679] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 9634.874681] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 9634.874682] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 9634.874683] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 9634.874684] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 9634.874685] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 9634.874686] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 9634.874688] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 9634.874689] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9634.874690] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 9634.874691] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9634.874692] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9634.874692] PKRU: 55555554 [ 9634.874693] Call Trace: [ 9634.874696] [ 9634.874697] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 9634.874700] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 9634.874705] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 9634.874709] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 9634.874711] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 9634.874712] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 9634.874716] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9634.874717] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9634.874719] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9634.874721] [ 9634.874721] [ 9634.874721] netdev_core_pick_tx (net/core/dev.c:4211) [ 9634.874726] __dev_queue_xmit (net/core/dev.c:4295) [ 9634.874728] ? eth_header (net/ethernet/eth.c:85) [ 9634.874731] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9634.874735] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9634.874737] mld_sendpack (net/ipv6/mcast.c:1822) [ 9634.874740] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9634.874743] process_one_work (kernel/workqueue.c:3254) [ 9634.874745] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9634.874747] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9634.874749] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9634.874751] kthread (kernel/kthread.c:388) [ 9634.874753] ? __pfx_kthread (kernel/kthread.c:341) [ 9634.874754] ret_from_fork (arch/x86/kernel/process.c:147) [ 9634.874757] ? __pfx_kthread (kernel/kthread.c:341) [ 9634.874758] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9634.874762] | [ 9666.279395] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 9666.279564] rcu: 1-....: (9663932 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=2180192 | [ 9666.279634] rcu: (t=9660459 jiffies g=-219 q=807 ncpus=4) [ 9666.279716] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9666.279788] Workqueue: mld mld_ifc_work [ 9666.279823] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9666.279865] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 9666.279971] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 9666.280006] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 9666.280055] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 9666.280104] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 9666.280153] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 9666.280201] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 9666.280252] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 9666.280304] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9666.280344] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 9666.280396] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9666.280444] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9666.280492] PKRU: 55555554 [ 9666.280512] Call Trace: [ 9666.280538] [ 9666.280571] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 9666.280612] ? 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) [ 9666.280646] ? notifier_call_chain (kernel/notifier.c:93) [ 9666.280680] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 9666.280717] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 9666.280752] ? 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) [ 9666.280786] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 9666.280825] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 9666.280853] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 9666.280888] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 9666.280922] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9666.280956] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9666.280989] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9666.281022] [ 9666.281042] [ 9666.281056] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9666.281092] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9666.281119] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 9666.281153] netdev_core_pick_tx (net/core/dev.c:4211) [ 9666.281184] __dev_queue_xmit (net/core/dev.c:4295) [ 9666.281210] ? eth_header (net/ethernet/eth.c:85) [ 9666.281237] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9666.281265] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9666.281298] mld_sendpack (net/ipv6/mcast.c:1822) [ 9666.281326] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9666.281353] process_one_work (kernel/workqueue.c:3254) [ 9666.281383] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9666.281418] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9666.281445] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9666.281479] kthread (kernel/kthread.c:388) [ 9666.281507] ? __pfx_kthread (kernel/kthread.c:341) [ 9666.281534] ret_from_fork (arch/x86/kernel/process.c:147) [ 9666.281561] ? __pfx_kthread (kernel/kthread.c:341) [ 9666.281588] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9700.410397] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 9653757 jiffies s: 77 root: 0x2/. | [ 9700.410579] rcu: blocking rcu_node structures (internal RCU debug): | [ 9700.410622] Sending NMI from CPU 2 to CPUs 1: | [ 9700.410673] NMI backtrace for cpu 1 [ 9700.410681] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9700.410683] Workqueue: mld mld_ifc_work [ 9700.410689] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9700.410694] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 9700.410696] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 9700.410698] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 9700.410699] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 9700.410700] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 9700.410701] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 9700.410702] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 9700.410705] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 9700.410706] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9700.410707] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 9700.410708] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9700.410708] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9700.410709] PKRU: 55555554 [ 9700.410710] Call Trace: [ 9700.410712] [ 9700.410714] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 9700.410717] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 9700.410721] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 9700.410726] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 9700.410728] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 9700.410729] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 9700.410733] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9700.410734] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9700.410736] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9700.410737] [ 9700.410738] [ 9700.410738] netdev_core_pick_tx (net/core/dev.c:4211) [ 9700.410743] __dev_queue_xmit (net/core/dev.c:4295) [ 9700.410745] ? eth_header (net/ethernet/eth.c:85) [ 9700.410748] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9700.410752] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9700.410755] mld_sendpack (net/ipv6/mcast.c:1822) [ 9700.410758] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9700.410760] process_one_work (kernel/workqueue.c:3254) [ 9700.410763] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9700.410765] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9700.410767] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9700.410769] kthread (kernel/kthread.c:388) [ 9700.410770] ? __pfx_kthread (kernel/kthread.c:341) [ 9700.410772] ret_from_fork (arch/x86/kernel/process.c:147) [ 9700.410774] ? __pfx_kthread (kernel/kthread.c:341) [ 9700.410775] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9700.410779] | [ 9729.282386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 9729.282588] rcu: 1-....: (9726934 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=2194174 | [ 9729.282658] rcu: (t=9723462 jiffies g=-219 q=807 ncpus=4) [ 9729.282741] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9729.282812] Workqueue: mld mld_ifc_work [ 9729.282851] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9729.282891] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 9729.282996] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 9729.283031] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 9729.283079] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 9729.283128] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 9729.283177] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 9729.283225] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 9729.283276] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 9729.283328] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9729.283367] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 9729.283415] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9729.283460] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9729.283508] PKRU: 55555554 [ 9729.283529] Call Trace: [ 9729.283550] [ 9729.283570] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 9729.283609] ? 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) [ 9729.283643] ? notifier_call_chain (kernel/notifier.c:93) [ 9729.283677] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 9729.283715] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 9729.283749] ? 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) [ 9729.283784] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 9729.283818] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 9729.283845] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 9729.283880] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 9729.283915] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9729.283950] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9729.283984] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9729.284018] [ 9729.284038] [ 9729.284058] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9729.284093] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9729.284119] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 9729.284154] netdev_core_pick_tx (net/core/dev.c:4211) [ 9729.284187] __dev_queue_xmit (net/core/dev.c:4295) [ 9729.284213] ? eth_header (net/ethernet/eth.c:85) [ 9729.284240] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9729.284268] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9729.284308] mld_sendpack (net/ipv6/mcast.c:1822) [ 9729.284335] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9729.284363] process_one_work (kernel/workqueue.c:3254) [ 9729.284395] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9729.284429] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9729.284456] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9729.284490] kthread (kernel/kthread.c:388) [ 9729.284516] ? __pfx_kthread (kernel/kthread.c:341) [ 9729.284543] ret_from_fork (arch/x86/kernel/process.c:147) [ 9729.284568] ? __pfx_kthread (kernel/kthread.c:341) [ 9729.284595] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9765.946392] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 9719292 jiffies s: 77 root: 0x2/. | [ 9765.946577] rcu: blocking rcu_node structures (internal RCU debug): | [ 9765.946620] Sending NMI from CPU 2 to CPUs 1: | [ 9765.946661] NMI backtrace for cpu 1 [ 9765.946668] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9765.946670] Workqueue: mld mld_ifc_work [ 9765.946677] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9765.946682] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 9765.946683] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 9765.946685] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 9765.946686] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 9765.946687] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 9765.946688] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 9765.946689] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 9765.946691] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 9765.946692] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9765.946694] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 9765.946694] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9765.946695] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9765.946696] PKRU: 55555554 [ 9765.946696] Call Trace: [ 9765.946698] [ 9765.946700] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 9765.946703] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 9765.946707] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 9765.946712] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 9765.946714] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 9765.946715] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 9765.946718] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9765.946720] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9765.946722] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9765.946723] [ 9765.946723] [ 9765.946724] netdev_core_pick_tx (net/core/dev.c:4211) [ 9765.946729] __dev_queue_xmit (net/core/dev.c:4295) [ 9765.946731] ? eth_header (net/ethernet/eth.c:85) [ 9765.946735] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9765.946739] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9765.946742] mld_sendpack (net/ipv6/mcast.c:1822) [ 9765.946745] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9765.946747] process_one_work (kernel/workqueue.c:3254) [ 9765.946750] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9765.946752] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9765.946754] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9765.946755] kthread (kernel/kthread.c:388) [ 9765.946757] ? __pfx_kthread (kernel/kthread.c:341) [ 9765.946758] ret_from_fork (arch/x86/kernel/process.c:147) [ 9765.946761] ? __pfx_kthread (kernel/kthread.c:341) [ 9765.946762] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9765.946766] | [ 9792.285386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 9792.285548] rcu: 1-....: (9789936 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=2208305 | [ 9792.285619] rcu: (t=9786465 jiffies g=-219 q=807 ncpus=4) [ 9792.285696] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9792.285766] Workqueue: mld mld_ifc_work [ 9792.285801] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 9792.285838] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 9792.285942] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 9792.285977] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 9792.286025] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 9792.286075] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 9792.286123] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 9792.286171] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 9792.286222] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 9792.286273] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9792.286314] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 9792.286364] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9792.286413] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9792.286461] PKRU: 55555554 [ 9792.286483] Call Trace: [ 9792.286504] [ 9792.286525] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 9792.286566] ? 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) [ 9792.286601] ? notifier_call_chain (kernel/notifier.c:93) [ 9792.286635] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 9792.286670] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 9792.286733] ? 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) [ 9792.286768] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 9792.286805] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 9792.286833] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 9792.286867] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 9792.286903] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9792.286937] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9792.286974] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9792.287007] [ 9792.287028] [ 9792.287043] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9792.287078] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 9792.287105] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 9792.287140] netdev_core_pick_tx (net/core/dev.c:4211) [ 9792.287169] __dev_queue_xmit (net/core/dev.c:4295) [ 9792.287196] ? eth_header (net/ethernet/eth.c:85) [ 9792.287227] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9792.287255] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9792.287289] mld_sendpack (net/ipv6/mcast.c:1822) [ 9792.287317] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9792.287344] process_one_work (kernel/workqueue.c:3254) [ 9792.287372] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9792.287406] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9792.287435] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9792.287469] kthread (kernel/kthread.c:388) [ 9792.287497] ? __pfx_kthread (kernel/kthread.c:341) [ 9792.287524] ret_from_fork (arch/x86/kernel/process.c:147) [ 9792.287555] ? __pfx_kthread (kernel/kthread.c:341) [ 9792.287583] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9831.481395] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 9784828 jiffies s: 77 root: 0x2/. | [ 9831.481585] rcu: blocking rcu_node structures (internal RCU debug): | [ 9831.481623] Sending NMI from CPU 2 to CPUs 1: | [ 9831.481662] NMI backtrace for cpu 1 [ 9831.481674] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9831.481677] Workqueue: mld mld_ifc_work [ 9831.481687] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9831.481691] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 9831.481693] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 9831.481695] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 9831.481696] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 9831.481696] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 9831.481697] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 9831.481699] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 9831.481702] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 9831.481703] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9831.481704] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 9831.481705] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9831.481705] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9831.481706] PKRU: 55555554 [ 9831.481707] Call Trace: [ 9831.481710] [ 9831.481716] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 9831.481720] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 9831.481724] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 9831.481728] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 9831.481731] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 9831.481732] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 9831.481736] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9831.481737] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9831.481739] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9831.481740] [ 9831.481741] [ 9831.481741] netdev_core_pick_tx (net/core/dev.c:4211) [ 9831.481746] __dev_queue_xmit (net/core/dev.c:4295) [ 9831.481748] ? eth_header (net/ethernet/eth.c:85) [ 9831.481751] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9831.481755] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9831.481758] mld_sendpack (net/ipv6/mcast.c:1822) [ 9831.481762] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9831.481764] process_one_work (kernel/workqueue.c:3254) [ 9831.481767] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9831.481769] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9831.481771] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9831.481773] kthread (kernel/kthread.c:388) [ 9831.481775] ? __pfx_kthread (kernel/kthread.c:341) [ 9831.481776] ret_from_fork (arch/x86/kernel/process.c:147) [ 9831.481780] ? __pfx_kthread (kernel/kthread.c:341) [ 9831.481781] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9831.481785] | [ 9855.288386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 9855.288496] rcu: 1-....: (9852938 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=2222511 | [ 9855.288564] rcu: (t=9849468 jiffies g=-219 q=807 ncpus=4) [ 9855.288643] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9855.288714] Workqueue: mld mld_ifc_work [ 9855.288749] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9855.288789] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 9855.288895] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 9855.288929] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 9855.288978] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 9855.289028] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 9855.289077] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 9855.289126] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 9855.289176] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 9855.289228] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9855.289268] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 9855.289316] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9855.289362] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9855.289412] PKRU: 55555554 [ 9855.289433] Call Trace: [ 9855.289455] [ 9855.289475] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 9855.289514] ? 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) [ 9855.289549] ? notifier_call_chain (kernel/notifier.c:93) [ 9855.289584] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 9855.289623] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 9855.289658] ? 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) [ 9855.289692] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 9855.289727] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 9855.289755] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 9855.289790] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 9855.289825] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9855.289860] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9855.289894] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9855.289929] [ 9855.289950] [ 9855.289970] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9855.290006] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9855.290033] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 9855.290068] netdev_core_pick_tx (net/core/dev.c:4211) [ 9855.290096] __dev_queue_xmit (net/core/dev.c:4295) [ 9855.290123] ? eth_header (net/ethernet/eth.c:85) [ 9855.290150] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9855.290185] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9855.290222] mld_sendpack (net/ipv6/mcast.c:1822) [ 9855.290249] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9855.290276] process_one_work (kernel/workqueue.c:3254) [ 9855.290303] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9855.290337] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9855.290365] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9855.290399] kthread (kernel/kthread.c:388) [ 9855.290427] ? __pfx_kthread (kernel/kthread.c:341) [ 9855.290453] ret_from_fork (arch/x86/kernel/process.c:147) [ 9855.290481] ? __pfx_kthread (kernel/kthread.c:341) [ 9855.290507] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9897.017406] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 9850364 jiffies s: 77 root: 0x2/. | [ 9897.017601] rcu: blocking rcu_node structures (internal RCU debug): | [ 9897.017639] Sending NMI from CPU 2 to CPUs 1: | [ 9897.017678] NMI backtrace for cpu 1 [ 9897.017685] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9897.017687] Workqueue: mld mld_ifc_work [ 9897.017693] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9897.017697] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 9897.017699] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 9897.017700] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 9897.017701] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 9897.017702] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 9897.017703] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 9897.017703] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 9897.017706] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 9897.017707] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9897.017708] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 9897.017709] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9897.017709] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9897.017710] PKRU: 55555554 [ 9897.017711] Call Trace: [ 9897.017713] [ 9897.017715] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 9897.017718] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 9897.017723] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 9897.017726] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 9897.017729] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 9897.017730] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 9897.017733] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9897.017735] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9897.017737] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9897.017738] [ 9897.017738] [ 9897.017739] netdev_core_pick_tx (net/core/dev.c:4211) [ 9897.017743] __dev_queue_xmit (net/core/dev.c:4295) [ 9897.017745] ? eth_header (net/ethernet/eth.c:85) [ 9897.017749] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9897.017753] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9897.017755] mld_sendpack (net/ipv6/mcast.c:1822) [ 9897.017758] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9897.017760] process_one_work (kernel/workqueue.c:3254) [ 9897.017764] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9897.017765] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9897.017767] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9897.017769] kthread (kernel/kthread.c:388) [ 9897.017771] ? __pfx_kthread (kernel/kthread.c:341) [ 9897.017772] ret_from_fork (arch/x86/kernel/process.c:147) [ 9897.017776] ? __pfx_kthread (kernel/kthread.c:341) [ 9897.017777] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9897.017781] | [ 9918.291387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 9918.291485] rcu: 1-....: (9915940 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=2236678 | [ 9918.291554] rcu: (t=9912471 jiffies g=-219 q=807 ncpus=4) [ 9918.291632] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9918.291700] Workqueue: mld mld_ifc_work [ 9918.291735] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9918.291774] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 9918.291878] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 9918.291913] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 9918.291962] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 9918.292010] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 9918.292060] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 9918.292108] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 9918.292159] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 9918.292207] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9918.292249] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 9918.292299] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9918.292348] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9918.292397] PKRU: 55555554 [ 9918.292417] Call Trace: [ 9918.292439] [ 9918.292459] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 9918.292501] ? 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) [ 9918.292537] ? notifier_call_chain (kernel/notifier.c:93) [ 9918.292571] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 9918.292609] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 9918.292643] ? 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) [ 9918.292678] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 9918.292717] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 9918.292743] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 9918.292778] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 9918.292811] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9918.292844] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9918.292877] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9918.292912] [ 9918.292927] [ 9918.292947] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9918.292983] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9918.293009] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 9918.293044] netdev_core_pick_tx (net/core/dev.c:4211) [ 9918.293077] __dev_queue_xmit (net/core/dev.c:4295) [ 9918.293107] ? eth_header (net/ethernet/eth.c:85) [ 9918.293135] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9918.293163] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9918.293197] mld_sendpack (net/ipv6/mcast.c:1822) [ 9918.293225] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9918.293252] process_one_work (kernel/workqueue.c:3254) [ 9918.293279] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9918.293313] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9918.293341] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9918.293375] kthread (kernel/kthread.c:388) [ 9918.293403] ? __pfx_kthread (kernel/kthread.c:341) [ 9918.293431] ret_from_fork (arch/x86/kernel/process.c:147) [ 9918.293460] ? __pfx_kthread (kernel/kthread.c:341) [ 9918.293487] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9962.554392] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 9915900 jiffies s: 77 root: 0x2/. | [ 9962.554541] rcu: blocking rcu_node structures (internal RCU debug): | [ 9962.554580] Sending NMI from CPU 2 to CPUs 1: | [ 9962.554617] NMI backtrace for cpu 1 [ 9962.554625] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9962.554627] Workqueue: mld mld_ifc_work [ 9962.554634] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 9962.554639] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 9962.554640] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 9962.554642] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 9962.554643] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 9962.554644] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 9962.554645] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 9962.554646] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 9962.554648] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 9962.554650] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9962.554650] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 9962.554651] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9962.554652] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9962.554653] PKRU: 55555554 [ 9962.554653] Call Trace: [ 9962.554655] [ 9962.554657] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [ 9962.554660] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [ 9962.554664] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [ 9962.554668] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [ 9962.554671] ? exc_nmi (arch/x86/kernel/nmi.c:546) [ 9962.554672] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [ 9962.554675] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 9962.554677] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 9962.554678] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 9962.554680] [ 9962.554680] [ 9962.554680] netdev_core_pick_tx (net/core/dev.c:4211) [ 9962.554685] __dev_queue_xmit (net/core/dev.c:4295) [ 9962.554687] ? eth_header (net/ethernet/eth.c:85) [ 9962.554691] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9962.554695] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9962.554698] mld_sendpack (net/ipv6/mcast.c:1822) [ 9962.554701] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9962.554703] process_one_work (kernel/workqueue.c:3254) [ 9962.554707] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9962.554709] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9962.554711] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9962.554712] kthread (kernel/kthread.c:388) [ 9962.554715] ? __pfx_kthread (kernel/kthread.c:341) [ 9962.554717] ret_from_fork (arch/x86/kernel/process.c:147) [ 9962.554720] ? __pfx_kthread (kernel/kthread.c:341) [ 9962.554721] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9962.554725] | [ 9981.294397] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 9981.294563] rcu: 1-....: (9978942 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=2250853 | [ 9981.294632] rcu: (t=9975474 jiffies g=-219 q=807 ncpus=4) [ 9981.294714] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9981.294785] Workqueue: mld mld_ifc_work [ 9981.294821] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 9981.294861] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [ 9981.294966] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [ 9981.295001] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [ 9981.295049] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [ 9981.295099] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [ 9981.295147] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 9981.295196] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [ 9981.295246] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [ 9981.295296] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9981.295335] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [ 9981.295383] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9981.295429] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9981.295477] PKRU: 55555554 [ 9981.295498] Call Trace: [ 9981.295520] [ 9981.295540] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 9981.295579] ? 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) [ 9981.295615] ? notifier_call_chain (kernel/notifier.c:93) [ 9981.295654] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 9981.295688] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 9981.295723] ? 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) [ 9981.295757] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 9981.295795] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 9981.295822] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 9981.295880] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 9981.295914] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9981.295951] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9981.295985] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9981.296023] [ 9981.296044] [ 9981.296063] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9981.296099] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 9981.296125] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 9981.296160] netdev_core_pick_tx (net/core/dev.c:4211) [ 9981.296188] __dev_queue_xmit (net/core/dev.c:4295) [ 9981.296215] ? eth_header (net/ethernet/eth.c:85) [ 9981.296247] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9981.296280] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9981.296318] mld_sendpack (net/ipv6/mcast.c:1822) [ 9981.296345] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9981.296372] process_one_work (kernel/workqueue.c:3254) [ 9981.296400] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9981.296434] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9981.296461] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9981.296494] kthread (kernel/kthread.c:388) [ 9981.296520] ? __pfx_kthread (kernel/kthread.c:341) [ 9981.296547] ret_from_fork (arch/x86/kernel/process.c:147) [ 9981.296574] ? __pfx_kthread (kernel/kthread.c:341) [ 9981.296600] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [10028.090393] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 9981437 jiffies s: 77 root: 0x2/. | [10028.090577] rcu: blocking rcu_node structures (internal RCU debug): | [10028.090616] Sending NMI from CPU 2 to CPUs 1: | [10028.090654] NMI backtrace for cpu 1 [10028.090662] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [10028.090664] Workqueue: mld mld_ifc_work [10028.090670] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [10028.090675] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [10028.090676] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [10028.090677] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [10028.090679] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [10028.090679] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [10028.090680] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [10028.090681] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [10028.090684] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [10028.090685] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10028.090686] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [10028.090686] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [10028.090687] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [10028.090688] PKRU: 55555554 [10028.090688] Call Trace: [10028.090690] [10028.090692] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [10028.090695] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [10028.090699] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [10028.090704] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [10028.090706] ? exc_nmi (arch/x86/kernel/nmi.c:546) [10028.090708] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [10028.090711] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [10028.090712] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [10028.090714] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [10028.090715] [10028.090716] [10028.090716] netdev_core_pick_tx (net/core/dev.c:4211) [10028.090721] __dev_queue_xmit (net/core/dev.c:4295) [10028.090723] ? eth_header (net/ethernet/eth.c:85) [10028.090726] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [10028.090730] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [10028.090733] mld_sendpack (net/ipv6/mcast.c:1822) [10028.090736] mld_ifc_work (net/ipv6/mcast.c:2652) [10028.090738] process_one_work (kernel/workqueue.c:3254) [10028.090742] ? __pfx_worker_thread (kernel/workqueue.c:3362) [10028.090743] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [10028.090745] ? __pfx_worker_thread (kernel/workqueue.c:3362) [10028.090747] kthread (kernel/kthread.c:388) [10028.090749] ? __pfx_kthread (kernel/kthread.c:341) [10028.090750] ret_from_fork (arch/x86/kernel/process.c:147) [10028.090770] ? __pfx_kthread (kernel/kthread.c:341) [10028.090771] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [10028.090775] | [10044.297386] rcu: INFO: rcu_preempt self-detected stall on CPU | [10044.297563] rcu: 1-....: (10041944 ticks this GP) idle=c544/1/0x4000000000000000 softirq=582/583 fqs=2265074 | [10044.297631] rcu: (t=10038477 jiffies g=-219 q=807 ncpus=4) [10044.297712] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [10044.297781] Workqueue: mld mld_ifc_work [10044.297814] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [10044.297853] Code: ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 29 f0 0f b7 c8 <39> ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 00 90 90 90 90 All code ======== 0: ff 66 89 jmp *-0x77(%rsi) 3: 56 push %rsi 4: 2c 8b sub $0x8b,%al 6: 57 push %rdi 7: 28 0f sub %cl,(%rdi) 9: b7 c8 mov $0xc8,%bh b: 39 ca cmp %ecx,%edx d: 76 14 jbe 0x23 f: c3 ret 10: cc int3 11: cc int3 12: cc int3 13: cc int3 14: 66 89 56 2c mov %dx,0x2c(%rsi) 18: 8b 57 28 mov 0x28(%rdi),%edx 1b: 31 c9 xor %ecx,%ecx 1d: 31 c0 xor %eax,%eax 1f: 39 ca cmp %ecx,%edx 21: 77 ec ja 0xf 23: 89 d6 mov %edx,%esi 25: 29 f0 sub %esi,%eax 27: 0f b7 c8 movzwl %ax,%ecx 2a:* 39 ca cmp %ecx,%edx <-- trapping instruction 2c: 76 f7 jbe 0x25 2e: c3 ret 2f: cc int3 30: cc int3 31: cc int3 32: cc int3 33: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 3a: 00 00 3c: 90 nop 3d: 90 nop 3e: 90 nop 3f: 90 nop Code starting with the faulting instruction =========================================== 0: 39 ca cmp %ecx,%edx 2: 76 f7 jbe 0xfffffffffffffffb 4: c3 ret 5: cc int3 6: cc int3 7: cc int3 8: cc int3 9: 66 0f 1f 84 00 00 00 nopw 0x0(%rax,%rax,1) 10: 00 00 12: 90 nop 13: 90 nop 14: 90 nop 15: 90 nop [10044.297957] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [10044.297992] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [10044.298041] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [10044.298090] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [10044.298140] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [10044.298188] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [10044.298240] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [10044.298291] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10044.298333] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [10044.298383] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [10044.298430] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [10044.298479] PKRU: 55555554 [10044.298500] Call Trace: [10044.298521] [10044.298547] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [10044.298587] ? 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) [10044.298622] ? notifier_call_chain (kernel/notifier.c:93) [10044.298657] ? timekeeping_update (kernel/time/timekeeping.c:770) [10044.298690] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [10044.298725] ? 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) [10044.298759] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [10044.298796] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [10044.298823] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [10044.298857] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [10044.298891] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [10044.298924] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [10044.298958] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [10044.298992] [10044.299012] [10044.299033] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [10044.299068] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [10044.299095] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [10044.299129] netdev_core_pick_tx (net/core/dev.c:4211) [10044.299162] __dev_queue_xmit (net/core/dev.c:4295) [10044.299189] ? eth_header (net/ethernet/eth.c:85) [10044.299216] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [10044.299244] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [10044.299278] mld_sendpack (net/ipv6/mcast.c:1822) [10044.299306] mld_ifc_work (net/ipv6/mcast.c:2652) [10044.299333] process_one_work (kernel/workqueue.c:3254) [10044.299364] ? __pfx_worker_thread (kernel/workqueue.c:3362) [10044.299411] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [10044.299439] ? __pfx_worker_thread (kernel/workqueue.c:3362) [10044.299472] kthread (kernel/kthread.c:388) [10044.299500] ? __pfx_kthread (kernel/kthread.c:341) [10044.299527] ret_from_fork (arch/x86/kernel/process.c:147) [10044.299559] ? __pfx_kthread (kernel/kthread.c:341) [10044.299586] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [10093.626395] rcu: INFO: rcu_preempt detected expedited stalls on CPUs/tasks: { 1-.... } 10046973 jiffies s: 77 root: 0x2/. | [10093.626598] rcu: blocking rcu_node structures (internal RCU debug): | [10093.626638] Sending NMI from CPU 2 to CPUs 1: | [10093.626677] NMI backtrace for cpu 1 [10093.626685] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [10093.626687] Workqueue: mld mld_ifc_work [10093.626694] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [10093.626698] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [10093.626700] RSP: 0018:ffffa341801bfc58 EFLAGS: 00000246 [10093.626701] RAX: 0000000000000000 RBX: ffff97f281bb7000 RCX: 0000000000000000 [10093.626702] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff97f281bb7000 [10093.626703] RBP: ffff97f281dbae00 R08: 0000000000000000 R09: 000000000000004c [10093.626704] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [10093.626705] R13: ffff97f281bb7000 R14: 0000000000000000 R15: 0000000000000000 [10093.626708] FS: 0000000000000000(0000) GS:ffff97f2bec80000(0000) knlGS:0000000000000000 [10093.626709] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10093.626710] CR2: 00007f12aa0730e8 CR3: 0000000001934004 CR4: 0000000000770ef0 [10093.626711] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [10093.626712] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [10093.626713] PKRU: 55555554 [10093.626714] Call Trace: [10093.626716] [10093.626718] ? nmi_cpu_backtrace (lib/nmi_backtrace.c:115) [10093.626721] ? nmi_cpu_backtrace_handler (arch/x86/kernel/apic/hw_nmi.c:48) [10093.626726] ? nmi_handle (arch/x86/kernel/nmi.c:151 (discriminator 7)) [10093.626730] ? default_do_nmi (arch/x86/kernel/nmi.c:352 (discriminator 22)) [10093.626733] ? exc_nmi (arch/x86/kernel/nmi.c:546) [10093.626734] ? end_repeat_nmi (arch/x86/entry/entry_64.S:1407) [10093.626737] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [10093.626739] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [10093.626741] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [10093.626742] [10093.626743] [10093.626743] netdev_core_pick_tx (net/core/dev.c:4211) [10093.626748] __dev_queue_xmit (net/core/dev.c:4295) [10093.626750] ? eth_header (net/ethernet/eth.c:85) [10093.626754] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [10093.626758] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [10093.626760] mld_sendpack (net/ipv6/mcast.c:1822) [10093.626763] mld_ifc_work (net/ipv6/mcast.c:2652) [10093.626766] process_one_work (kernel/workqueue.c:3254) [10093.626769] ? __pfx_worker_thread (kernel/workqueue.c:3362) [10093.626771] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [10093.626773] ? __pfx_worker_thread (kernel/workqueue.c:3362) [10093.626775] kthread (kernel/kthread.c:388) [10093.626777] ? __pfx_kthread (kernel/kthread.c:341) [10093.626779] ret_from_fork (arch/x86/kernel/process.c:147) [10093.626781] ? __pfx_kthread (kernel/kthread.c:341) Finger prints: team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 team_select_queue:netdev_core_pick_tx:__dev_queue_xmit:ip6_finish_output2 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