====================================== | [ 1.931587] teamd (231) used greatest stack depth: 12768 bytes left | [ 26.910388] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 26.910522] rcu: 0-....: (24173 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=4787 | [ 26.910583] rcu: (t=21000 jiffies g=-135 q=347 ncpus=4) [ 26.910665] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 26.910736] Workqueue: mld mld_ifc_work [ 26.910776] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 26.910817] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 26.910921] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 26.910960] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 26.911015] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 26.911064] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 26.911111] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 26.911159] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 26.911208] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 26.911259] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 26.911298] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 26.911348] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 26.911395] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 26.911443] PKRU: 55555554 [ 26.911462] Call Trace: [ 26.911486] [ 26.911510] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 26.911550] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 26.911586] ? notifier_call_chain (kernel/notifier.c:93) [ 26.911625] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 26.911661] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 26.911695] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 26.911730] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 26.911770] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 26.911802] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 26.911836] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 26.911870] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 26.911905] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 26.911945] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 26.911980] [ 26.912001] [ 26.912022] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 26.912062] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 26.912089] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 26.912123] netdev_core_pick_tx (net/core/dev.c:4211) [ 26.912159] __dev_queue_xmit (net/core/dev.c:4295) [ 26.912190] ? eth_header (net/ethernet/eth.c:85) [ 26.912223] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 26.912258] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 26.912295] mld_sendpack (net/ipv6/mcast.c:1822) [ 26.912325] mld_ifc_work (net/ipv6/mcast.c:2652) [ 26.912356] process_one_work (kernel/workqueue.c:3254) [ 26.912388] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 26.912422] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 26.912450] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 26.912485] kthread (kernel/kthread.c:388) [ 26.912512] ? __pfx_kthread (kernel/kthread.c:341) [ 26.912539] ret_from_fork (arch/x86/kernel/process.c:147) [ 26.912570] ? __pfx_kthread (kernel/kthread.c:341) [ 26.912598] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 26.912627] | [ 89.913388] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 89.913597] rcu: 0-....: (87175 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=19074 | [ 89.913659] rcu: (t=84003 jiffies g=-135 q=528 ncpus=4) [ 89.913741] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 89.913811] Workqueue: mld mld_ifc_work [ 89.913849] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 89.913890] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 89.913993] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 89.914027] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 89.914075] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 89.914124] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 89.914172] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 89.914221] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 89.914271] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 89.914319] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 89.914359] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 89.914409] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 89.914456] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 89.914505] PKRU: 55555554 [ 89.914525] Call Trace: [ 89.914541] [ 89.914562] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 89.914604] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 89.914639] ? notifier_call_chain (kernel/notifier.c:93) [ 89.914674] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 89.914715] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 89.914750] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 89.914785] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 89.914824] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 89.914855] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 89.914889] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 89.914924] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 89.914958] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 89.914992] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 89.915030] [ 89.915051] [ 89.915071] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 89.915108] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 89.915135] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 89.915168] netdev_core_pick_tx (net/core/dev.c:4211) [ 89.915203] __dev_queue_xmit (net/core/dev.c:4295) [ 89.915231] ? eth_header (net/ethernet/eth.c:85) [ 89.915263] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 89.915295] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 89.915333] mld_sendpack (net/ipv6/mcast.c:1822) [ 89.915360] mld_ifc_work (net/ipv6/mcast.c:2652) [ 89.915387] process_one_work (kernel/workqueue.c:3254) [ 89.915415] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 89.915449] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 89.915477] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 89.915511] kthread (kernel/kthread.c:388) [ 89.915538] ? __pfx_kthread (kernel/kthread.c:341) [ 89.915565] ret_from_fork (arch/x86/kernel/process.c:147) [ 89.915592] ? __pfx_kthread (kernel/kthread.c:341) [ 89.915623] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 89.915652] | [ 152.916386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 152.916509] rcu: 0-....: (149243 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=34462 | [ 152.916564] rcu: (t=147006 jiffies g=-135 q=528 ncpus=4) [ 152.916635] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 152.916699] Workqueue: mld mld_ifc_work [ 152.916734] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 152.916771] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 152.916867] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 152.916899] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 152.916944] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 152.916982] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 152.917021] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 152.917066] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 152.917112] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 152.917156] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 152.917193] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 152.917233] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 152.917277] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 152.917316] PKRU: 55555554 [ 152.917329] Call Trace: [ 152.917344] [ 152.917362] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 152.917397] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 152.917429] ? notifier_call_chain (kernel/notifier.c:93) [ 152.917461] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 152.917492] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 152.917523] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 152.917555] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 152.917586] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 152.917611] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 152.917643] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 152.917675] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 152.917706] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 152.917738] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 152.917769] [ 152.917782] [ 152.917795] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 152.917828] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 152.917852] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 152.917884] netdev_core_pick_tx (net/core/dev.c:4211) [ 152.917910] __dev_queue_xmit (net/core/dev.c:4295) [ 152.917934] ? eth_header (net/ethernet/eth.c:85) [ 152.917963] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 152.917993] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 152.918024] mld_sendpack (net/ipv6/mcast.c:1822) [ 152.918050] mld_ifc_work (net/ipv6/mcast.c:2652) [ 152.918074] process_one_work (kernel/workqueue.c:3254) [ 152.918100] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 152.918131] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 152.918156] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 152.918187] kthread (kernel/kthread.c:388) [ 152.918213] ? __pfx_kthread (kernel/kthread.c:341) [ 152.918238] ret_from_fork (arch/x86/kernel/process.c:147) [ 152.918266] ? __pfx_kthread (kernel/kthread.c:341) [ 152.918291] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 152.918318] | [ 215.919386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 215.919557] rcu: 0-....: (212246 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=49582 | [ 215.919609] rcu: (t=210009 jiffies g=-135 q=528 ncpus=4) [ 215.919679] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 215.919743] Workqueue: mld mld_ifc_work [ 215.919780] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 215.919815] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 215.919911] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 215.919942] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 215.919989] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 215.920034] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 215.920073] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 215.920111] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 215.920152] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 215.920195] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 215.920232] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 215.920277] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 215.920321] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 215.920360] PKRU: 55555554 [ 215.920373] Call Trace: [ 215.920388] [ 215.920406] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 215.920440] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 215.920471] ? notifier_call_chain (kernel/notifier.c:93) [ 215.920503] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 215.920534] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 215.920565] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 215.920597] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 215.920628] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 215.920653] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 215.920685] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 215.920717] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 215.920749] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 215.920780] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 215.920812] [ 215.920825] [ 215.920838] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 215.920870] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 215.920895] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 215.920926] netdev_core_pick_tx (net/core/dev.c:4211) [ 215.920952] __dev_queue_xmit (net/core/dev.c:4295) [ 215.920977] ? eth_header (net/ethernet/eth.c:85) [ 215.921002] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 215.921028] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 215.921060] mld_sendpack (net/ipv6/mcast.c:1822) [ 215.921086] mld_ifc_work (net/ipv6/mcast.c:2652) [ 215.921110] process_one_work (kernel/workqueue.c:3254) [ 215.921136] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 215.921167] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 215.921192] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 215.921224] kthread (kernel/kthread.c:388) [ 215.921249] ? __pfx_kthread (kernel/kthread.c:341) [ 215.921274] ret_from_fork (arch/x86/kernel/process.c:147) [ 215.921299] ? __pfx_kthread (kernel/kthread.c:341) [ 215.921324] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 215.921350] | [ 278.922396] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 278.922564] rcu: 0-....: (275249 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=64859 | [ 278.922627] rcu: (t=273012 jiffies g=-135 q=528 ncpus=4) [ 278.922705] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 278.922773] Workqueue: mld mld_ifc_work [ 278.922812] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 278.922851] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 278.922952] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 278.922986] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 278.923028] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 278.923070] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 278.923112] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 278.923154] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 278.923197] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 278.923245] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 278.923285] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 278.923328] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 278.923376] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 278.923418] PKRU: 55555554 [ 278.923432] Call Trace: [ 278.923450] [ 278.923476] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 278.923513] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 278.923547] ? notifier_call_chain (kernel/notifier.c:93) [ 278.923581] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 278.923615] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 278.923649] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 278.923683] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 278.923718] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 278.923745] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 278.923773] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 278.923801] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 278.923829] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 278.923864] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 278.923897] [ 278.923911] [ 278.923925] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 278.923960] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 278.923988] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 278.924022] netdev_core_pick_tx (net/core/dev.c:4211) [ 278.924049] __dev_queue_xmit (net/core/dev.c:4295) [ 278.924076] ? eth_header (net/ethernet/eth.c:85) [ 278.924102] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 278.924130] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 278.924164] mld_sendpack (net/ipv6/mcast.c:1822) [ 278.924191] mld_ifc_work (net/ipv6/mcast.c:2652) [ 278.924217] process_one_work (kernel/workqueue.c:3254) [ 278.924244] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 278.924278] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 278.924305] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 278.924340] kthread (kernel/kthread.c:388) [ 278.924367] ? __pfx_kthread (kernel/kthread.c:341) [ 278.924388] ret_from_fork (arch/x86/kernel/process.c:147) [ 278.924415] ? __pfx_kthread (kernel/kthread.c:341) [ 278.924437] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 278.924465] | [ 341.925388] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 341.925523] rcu: 0-....: (338251 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=79874 | [ 341.925579] rcu: (t=336015 jiffies g=-135 q=537 ncpus=4) [ 341.925653] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 341.925721] Workqueue: mld mld_ifc_work [ 341.925756] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 341.925793] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 341.925896] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 341.925930] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 341.925978] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 341.926020] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 341.926062] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 341.926104] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 341.926158] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 341.926204] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 341.926245] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 341.926287] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 341.926334] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 341.926376] PKRU: 55555554 [ 341.926394] Call Trace: [ 341.926409] [ 341.926429] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 341.926467] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 341.926500] ? notifier_call_chain (kernel/notifier.c:93) [ 341.926534] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 341.926567] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 341.926601] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 341.926635] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 341.926668] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 341.926694] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 341.926728] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 341.926756] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 341.926790] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 341.926823] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 341.926857] [ 341.926871] [ 341.926885] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 341.926920] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 341.926947] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 341.926980] netdev_core_pick_tx (net/core/dev.c:4211) [ 341.927007] __dev_queue_xmit (net/core/dev.c:4295) [ 341.927034] ? eth_header (net/ethernet/eth.c:85) [ 341.927060] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 341.927091] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 341.927130] mld_sendpack (net/ipv6/mcast.c:1822) [ 341.927160] mld_ifc_work (net/ipv6/mcast.c:2652) [ 341.927186] process_one_work (kernel/workqueue.c:3254) [ 341.927213] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 341.927247] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 341.927274] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 341.927307] kthread (kernel/kthread.c:388) [ 341.927334] ? __pfx_kthread (kernel/kthread.c:341) [ 341.927361] ret_from_fork (arch/x86/kernel/process.c:147) [ 341.927388] ? __pfx_kthread (kernel/kthread.c:341) [ 341.927415] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 341.927443] | [ 404.928386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 404.928563] rcu: 0-....: (401253 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=94617 | [ 404.928624] rcu: (t=399018 jiffies g=-135 q=537 ncpus=4) [ 404.928698] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 404.928763] Workqueue: mld mld_ifc_work [ 404.928798] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 404.928832] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 404.928935] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 404.928969] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 404.929011] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 404.929052] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 404.929094] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 404.929136] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 404.929179] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 404.929227] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 404.929266] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 404.929310] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 404.929356] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 404.929398] PKRU: 55555554 [ 404.929412] Call Trace: [ 404.929427] [ 404.929447] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 404.929485] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 404.929519] ? notifier_call_chain (kernel/notifier.c:93) [ 404.929553] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 404.929587] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 404.929621] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 404.929655] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 404.929688] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 404.929715] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 404.929749] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 404.929784] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 404.929817] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 404.929851] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 404.929886] [ 404.929899] [ 404.929913] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 404.929948] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 404.929974] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 404.930007] netdev_core_pick_tx (net/core/dev.c:4211) [ 404.930035] __dev_queue_xmit (net/core/dev.c:4295) [ 404.930062] ? eth_header (net/ethernet/eth.c:85) [ 404.930089] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 404.930117] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 404.930150] mld_sendpack (net/ipv6/mcast.c:1822) [ 404.930177] mld_ifc_work (net/ipv6/mcast.c:2652) [ 404.930204] process_one_work (kernel/workqueue.c:3254) [ 404.930231] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 404.930264] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 404.930291] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 404.930325] kthread (kernel/kthread.c:388) [ 404.930352] ? __pfx_kthread (kernel/kthread.c:341) [ 404.930378] ret_from_fork (arch/x86/kernel/process.c:147) [ 404.930405] ? __pfx_kthread (kernel/kthread.c:341) [ 404.930427] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 404.930454] | [ 467.931387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 467.931567] rcu: 0-....: (464255 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=109060 | [ 467.931623] rcu: (t=462021 jiffies g=-135 q=537 ncpus=4) [ 467.931697] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 467.931772] Workqueue: mld mld_ifc_work [ 467.931806] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 467.931843] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 467.931947] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 467.931981] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 467.932028] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 467.932070] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 467.932111] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 467.932153] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 467.932197] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 467.932243] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 467.932283] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 467.932326] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 467.932373] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 467.932415] PKRU: 55555554 [ 467.932429] Call Trace: [ 467.932444] [ 467.932463] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 467.932499] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 467.932533] ? notifier_call_chain (kernel/notifier.c:93) [ 467.932567] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 467.932600] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 467.932634] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 467.932668] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 467.932701] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 467.932727] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 467.932761] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 467.932789] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 467.932823] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 467.932857] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 467.932890] [ 467.932904] [ 467.932918] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 467.932952] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 467.932978] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 467.933011] netdev_core_pick_tx (net/core/dev.c:4211) [ 467.933039] __dev_queue_xmit (net/core/dev.c:4295) [ 467.933066] ? eth_header (net/ethernet/eth.c:85) [ 467.933093] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 467.933121] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 467.933154] mld_sendpack (net/ipv6/mcast.c:1822) [ 467.933181] mld_ifc_work (net/ipv6/mcast.c:2652) [ 467.933207] process_one_work (kernel/workqueue.c:3254) [ 467.933234] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 467.933268] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 467.933295] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 467.933329] kthread (kernel/kthread.c:388) [ 467.933356] ? __pfx_kthread (kernel/kthread.c:341) [ 467.933382] ret_from_fork (arch/x86/kernel/process.c:147) [ 467.933409] ? __pfx_kthread (kernel/kthread.c:341) [ 467.933430] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 467.933458] | [ 530.934387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 530.934530] rcu: 0-....: (527257 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=123740 | [ 530.934623] rcu: (t=525024 jiffies g=-135 q=537 ncpus=4) [ 530.934721] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 530.934802] Workqueue: mld mld_ifc_work [ 530.934844] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 530.934894] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 530.935034] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 530.935075] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 530.935136] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 530.935198] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 530.935260] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 530.935322] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 530.935385] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 530.935446] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 530.935495] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 530.935547] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 530.935602] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 530.935651] PKRU: 55555554 [ 530.935668] Call Trace: [ 530.935687] [ 530.935714] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 530.935765] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 530.935806] ? notifier_call_chain (kernel/notifier.c:93) [ 530.935847] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 530.935889] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 530.935935] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 530.935970] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 530.936015] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 530.936052] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 530.936092] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 530.936133] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 530.936174] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 530.936219] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 530.936265] [ 530.936285] [ 530.936305] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 530.936347] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 530.936379] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 530.936419] netdev_core_pick_tx (net/core/dev.c:4211) [ 530.936455] __dev_queue_xmit (net/core/dev.c:4295) [ 530.936491] ? eth_header (net/ethernet/eth.c:85) [ 530.936524] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 530.936559] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 530.936605] mld_sendpack (net/ipv6/mcast.c:1822) [ 530.936642] mld_ifc_work (net/ipv6/mcast.c:2652) [ 530.936675] process_one_work (kernel/workqueue.c:3254) [ 530.936707] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 530.936748] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 530.936778] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 530.936824] kthread (kernel/kthread.c:388) [ 530.936854] ? __pfx_kthread (kernel/kthread.c:341) [ 530.936884] ret_from_fork (arch/x86/kernel/process.c:147) [ 530.936917] ? __pfx_kthread (kernel/kthread.c:341) [ 530.936948] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 530.936985] | [ 593.937387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 593.937571] rcu: 0-....: (590259 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=138512 | [ 593.937623] rcu: (t=588027 jiffies g=-135 q=537 ncpus=4) [ 593.937693] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 593.937758] Workqueue: mld mld_ifc_work [ 593.937790] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 593.937826] 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 [ 593.937922] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 593.937954] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 593.937999] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 593.938037] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 593.938075] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 593.938114] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 593.938154] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 593.938198] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 593.938236] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 593.938281] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 593.938325] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 593.938364] PKRU: 55555554 [ 593.938377] Call Trace: [ 593.938391] [ 593.938411] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 593.938445] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 593.938476] ? notifier_call_chain (kernel/notifier.c:93) [ 593.938508] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 593.938540] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 593.938571] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 593.938603] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 593.938635] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 593.938660] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 593.938692] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 593.938724] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 593.938755] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 593.938787] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 593.938819] [ 593.938832] [ 593.938845] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 593.938877] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 593.938902] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 593.938933] netdev_core_pick_tx (net/core/dev.c:4211) [ 593.938959] __dev_queue_xmit (net/core/dev.c:4295) [ 593.938984] ? eth_header (net/ethernet/eth.c:85) [ 593.939010] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 593.939036] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 593.939067] mld_sendpack (net/ipv6/mcast.c:1822) [ 593.939093] mld_ifc_work (net/ipv6/mcast.c:2652) [ 593.939118] process_one_work (kernel/workqueue.c:3254) [ 593.939143] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 593.939174] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 593.939200] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 593.939231] kthread (kernel/kthread.c:388) [ 593.939257] ? __pfx_kthread (kernel/kthread.c:341) [ 593.939282] ret_from_fork (arch/x86/kernel/process.c:147) [ 593.939307] ? __pfx_kthread (kernel/kthread.c:341) [ 593.939332] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 593.939358] | [ 656.940387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 656.940591] rcu: 0-....: (653262 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=153170 | [ 656.940642] rcu: (t=651030 jiffies g=-135 q=537 ncpus=4) [ 656.940712] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 656.940776] Workqueue: mld mld_ifc_work [ 656.940809] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 656.940843] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 656.940939] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 656.940970] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 656.941015] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 656.941053] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 656.941098] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 656.941143] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 656.941183] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 656.941227] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 656.941264] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 656.941303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 656.941347] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 656.941385] PKRU: 55555554 [ 656.941399] Call Trace: [ 656.941413] [ 656.941432] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 656.941466] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 656.941497] ? notifier_call_chain (kernel/notifier.c:93) [ 656.941529] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 656.941560] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 656.941591] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 656.941622] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 656.941654] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 656.941679] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 656.941710] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 656.941742] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 656.941773] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 656.941804] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 656.941835] [ 656.941848] [ 656.941861] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 656.941893] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 656.941918] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 656.941949] netdev_core_pick_tx (net/core/dev.c:4211) [ 656.941975] __dev_queue_xmit (net/core/dev.c:4295) [ 656.942000] ? eth_header (net/ethernet/eth.c:85) [ 656.942025] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 656.942050] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 656.942081] mld_sendpack (net/ipv6/mcast.c:1822) [ 656.942107] mld_ifc_work (net/ipv6/mcast.c:2652) [ 656.942132] process_one_work (kernel/workqueue.c:3254) [ 656.942157] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 656.942189] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 656.942214] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 656.942245] kthread (kernel/kthread.c:388) [ 656.942270] ? __pfx_kthread (kernel/kthread.c:341) [ 656.942295] ret_from_fork (arch/x86/kernel/process.c:147) [ 656.942324] ? __pfx_kthread (kernel/kthread.c:341) [ 656.942350] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 656.942376] | [ 719.943386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 719.943561] rcu: 0-....: (716264 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=167409 | [ 719.943613] rcu: (t=714033 jiffies g=-135 q=537 ncpus=4) [ 719.943694] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 719.943759] Workqueue: mld mld_ifc_work [ 719.943790] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 719.943825] 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 [ 719.943921] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 719.943953] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 719.943997] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 719.944036] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 719.944080] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 719.944119] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 719.944159] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 719.944203] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 719.944240] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 719.944285] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 719.944328] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 719.944367] PKRU: 55555554 [ 719.944380] Call Trace: [ 719.944395] [ 719.944414] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 719.944451] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 719.944482] ? notifier_call_chain (kernel/notifier.c:93) [ 719.944514] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 719.944546] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 719.944577] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 719.944609] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 719.944640] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 719.944666] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 719.944698] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 719.944730] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 719.944761] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 719.944792] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 719.944824] [ 719.944837] [ 719.944850] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 719.944882] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 719.944906] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 719.944938] netdev_core_pick_tx (net/core/dev.c:4211) [ 719.944964] __dev_queue_xmit (net/core/dev.c:4295) [ 719.944989] ? eth_header (net/ethernet/eth.c:85) [ 719.945014] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 719.945039] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 719.945071] mld_sendpack (net/ipv6/mcast.c:1822) [ 719.945096] mld_ifc_work (net/ipv6/mcast.c:2652) [ 719.945121] process_one_work (kernel/workqueue.c:3254) [ 719.945146] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 719.945177] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 719.945202] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 719.945233] kthread (kernel/kthread.c:388) [ 719.945259] ? __pfx_kthread (kernel/kthread.c:341) [ 719.945285] ret_from_fork (arch/x86/kernel/process.c:147) [ 719.945310] ? __pfx_kthread (kernel/kthread.c:341) [ 719.945335] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 719.945361] | [ 782.946386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 782.946569] rcu: 0-....: (779267 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=182198 | [ 782.946624] rcu: (t=777036 jiffies g=-135 q=537 ncpus=4) [ 782.946695] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 782.946760] Workqueue: mld mld_ifc_work [ 782.946792] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 782.946827] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 782.946923] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 782.946955] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 782.946999] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 782.947038] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 782.947082] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 782.947121] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 782.947162] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 782.947206] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 782.947243] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 782.947283] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 782.947326] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 782.947365] PKRU: 55555554 [ 782.947378] Call Trace: [ 782.947392] [ 782.947411] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 782.947446] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 782.947477] ? notifier_call_chain (kernel/notifier.c:93) [ 782.947509] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 782.947541] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 782.947572] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 782.947604] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 782.947636] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 782.947661] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 782.947693] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 782.947725] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 782.947756] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 782.947788] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 782.947820] [ 782.947833] [ 782.947846] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 782.947878] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 782.947903] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 782.947934] netdev_core_pick_tx (net/core/dev.c:4211) [ 782.947959] __dev_queue_xmit (net/core/dev.c:4295) [ 782.947984] ? eth_header (net/ethernet/eth.c:85) [ 782.948009] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 782.948035] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 782.948066] mld_sendpack (net/ipv6/mcast.c:1822) [ 782.948091] mld_ifc_work (net/ipv6/mcast.c:2652) [ 782.948116] process_one_work (kernel/workqueue.c:3254) [ 782.948141] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 782.948172] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 782.948197] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 782.948229] kthread (kernel/kthread.c:388) [ 782.948255] ? __pfx_kthread (kernel/kthread.c:341) [ 782.948279] ret_from_fork (arch/x86/kernel/process.c:147) [ 782.948305] ? __pfx_kthread (kernel/kthread.c:341) [ 782.948329] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 782.948356] | [ 845.949386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 845.949528] rcu: 0-....: (842270 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=197461 | [ 845.949604] rcu: (t=840039 jiffies g=-135 q=537 ncpus=4) [ 845.949695] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 845.949791] Workqueue: mld mld_ifc_work [ 845.949829] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 845.949871] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 845.950010] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 845.950052] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 845.950111] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 845.950163] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 845.950218] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 845.950271] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 845.950328] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 845.950391] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 845.950442] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 845.950502] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 845.950560] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 845.950621] PKRU: 55555554 [ 845.950640] Call Trace: [ 845.950662] [ 845.950681] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 845.950733] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 845.950776] ? notifier_call_chain (kernel/notifier.c:93) [ 845.950819] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 845.950864] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 845.950907] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 845.950950] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 845.950993] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 845.951027] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 845.951067] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 845.951104] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 845.951147] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 845.951190] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 845.951233] [ 845.951251] [ 845.951269] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 845.951312] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 845.951344] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 845.951385] netdev_core_pick_tx (net/core/dev.c:4211) [ 845.951420] __dev_queue_xmit (net/core/dev.c:4295) [ 845.951452] ? eth_header (net/ethernet/eth.c:85) [ 845.951485] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 845.951518] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 845.951564] mld_sendpack (net/ipv6/mcast.c:1822) [ 845.951597] mld_ifc_work (net/ipv6/mcast.c:2652) [ 845.951629] process_one_work (kernel/workqueue.c:3254) [ 845.951663] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 845.951704] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 845.951737] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 845.951780] kthread (kernel/kthread.c:388) [ 845.951808] ? __pfx_kthread (kernel/kthread.c:341) [ 845.951840] ret_from_fork (arch/x86/kernel/process.c:147) [ 845.951873] ? __pfx_kthread (kernel/kthread.c:341) [ 845.951905] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 845.951940] | [ 908.952386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 908.952559] rcu: 0-....: (905272 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=212707 | [ 908.952611] rcu: (t=903042 jiffies g=-135 q=537 ncpus=4) [ 908.952680] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 908.952745] Workqueue: mld mld_ifc_work [ 908.952777] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 908.952815] 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 [ 908.952912] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 908.952943] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 908.952987] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 908.953032] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 908.953071] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 908.953110] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 908.953150] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 908.953194] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 908.953231] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 908.953272] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 908.953315] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 908.953354] PKRU: 55555554 [ 908.953367] Call Trace: [ 908.953381] [ 908.953400] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 908.953435] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 908.953467] ? notifier_call_chain (kernel/notifier.c:93) [ 908.953499] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 908.953530] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 908.953562] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 908.953594] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 908.953626] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 908.953651] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 908.953683] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 908.953715] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 908.953747] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 908.953778] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 908.953810] [ 908.953823] [ 908.953836] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 908.953868] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 908.953893] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 908.953924] netdev_core_pick_tx (net/core/dev.c:4211) [ 908.953950] __dev_queue_xmit (net/core/dev.c:4295) [ 908.953984] ? eth_header (net/ethernet/eth.c:85) [ 908.954009] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 908.954035] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 908.954066] mld_sendpack (net/ipv6/mcast.c:1822) [ 908.954092] mld_ifc_work (net/ipv6/mcast.c:2652) [ 908.954117] process_one_work (kernel/workqueue.c:3254) [ 908.954142] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 908.954173] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 908.954198] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 908.954230] kthread (kernel/kthread.c:388) [ 908.954255] ? __pfx_kthread (kernel/kthread.c:341) [ 908.954280] ret_from_fork (arch/x86/kernel/process.c:147) [ 908.954305] ? __pfx_kthread (kernel/kthread.c:341) [ 908.954330] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 908.954356] | [ 971.955386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 971.955505] rcu: 0-....: (968275 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=227861 | [ 971.955557] rcu: (t=966045 jiffies g=-135 q=537 ncpus=4) [ 971.955626] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 971.955691] Workqueue: mld mld_ifc_work [ 971.955722] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 971.955757] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 971.955854] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 971.955885] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 971.955930] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 971.955968] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 971.956007] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 971.956046] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 971.956087] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 971.956130] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 971.956167] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 971.956206] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 971.956249] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 971.956288] PKRU: 55555554 [ 971.956301] Call Trace: [ 971.956315] [ 971.956334] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 971.956367] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 971.956401] ? notifier_call_chain (kernel/notifier.c:93) [ 971.956442] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 971.956473] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 971.956505] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 971.956536] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 971.956568] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 971.956592] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 971.956624] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 971.956655] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 971.956687] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 971.956718] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 971.956750] [ 971.956762] [ 971.956775] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 971.956807] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 971.956832] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 971.956863] netdev_core_pick_tx (net/core/dev.c:4211) [ 971.956888] __dev_queue_xmit (net/core/dev.c:4295) [ 971.956913] ? eth_header (net/ethernet/eth.c:85) [ 971.956938] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 971.956963] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 971.956994] mld_sendpack (net/ipv6/mcast.c:1822) [ 971.957019] mld_ifc_work (net/ipv6/mcast.c:2652) [ 971.957044] process_one_work (kernel/workqueue.c:3254) [ 971.957069] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 971.957100] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 971.957126] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 971.957157] kthread (kernel/kthread.c:388) [ 971.957182] ? __pfx_kthread (kernel/kthread.c:341) [ 971.957207] ret_from_fork (arch/x86/kernel/process.c:147) [ 971.957233] ? __pfx_kthread (kernel/kthread.c:341) [ 971.957257] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 971.957283] | [ 1034.958386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 1034.958507] rcu: 0-....: (1031278 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=242993 | [ 1034.958560] rcu: (t=1029048 jiffies g=-135 q=537 ncpus=4) [ 1034.958641] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1034.958706] Workqueue: mld mld_ifc_work [ 1034.958738] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 1034.958772] 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 [ 1034.958868] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 1034.958899] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 1034.958944] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 1034.958983] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 1034.959021] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 1034.959066] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 1034.959106] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 1034.959150] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1034.959187] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 1034.959227] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1034.959270] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1034.959309] PKRU: 55555554 [ 1034.959322] Call Trace: [ 1034.959336] [ 1034.959355] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 1034.959389] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 1034.959430] ? notifier_call_chain (kernel/notifier.c:93) [ 1034.959463] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 1034.959495] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 1034.959526] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 1034.959558] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 1034.959590] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 1034.959615] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 1034.959646] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 1034.959678] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 1034.959710] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 1034.959742] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 1034.959773] [ 1034.959786] [ 1034.959799] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1034.959831] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 1034.959856] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 1034.959887] netdev_core_pick_tx (net/core/dev.c:4211) [ 1034.959913] __dev_queue_xmit (net/core/dev.c:4295) [ 1034.959938] ? eth_header (net/ethernet/eth.c:85) [ 1034.959963] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 1034.959989] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 1034.960020] mld_sendpack (net/ipv6/mcast.c:1822) [ 1034.960045] mld_ifc_work (net/ipv6/mcast.c:2652) [ 1034.960070] process_one_work (kernel/workqueue.c:3254) [ 1034.960095] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1034.960126] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 1034.960152] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1034.960183] kthread (kernel/kthread.c:388) [ 1034.960208] ? __pfx_kthread (kernel/kthread.c:341) [ 1034.960233] ret_from_fork (arch/x86/kernel/process.c:147) [ 1034.960258] ? __pfx_kthread (kernel/kthread.c:341) [ 1034.960283] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 1034.960310] | [ 1097.961386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 1097.961508] rcu: 0-....: (1094281 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=258250 | [ 1097.961560] rcu: (t=1092051 jiffies g=-135 q=537 ncpus=4) [ 1097.961630] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1097.961695] Workqueue: mld mld_ifc_work [ 1097.961726] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1097.961761] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 1097.961857] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 1097.961896] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 1097.961940] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 1097.961978] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 1097.962023] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 1097.962061] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 1097.962115] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 1097.962158] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1097.962194] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 1097.962239] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1097.962282] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1097.962321] PKRU: 55555554 [ 1097.962334] Call Trace: [ 1097.962348] [ 1097.962367] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 1097.962400] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 1097.962432] ? notifier_call_chain (kernel/notifier.c:93) [ 1097.962463] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 1097.962494] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 1097.962526] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 1097.962558] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 1097.962589] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 1097.962614] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 1097.962646] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 1097.962678] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 1097.962709] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 1097.962741] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 1097.962772] [ 1097.962785] [ 1097.962798] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1097.962830] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1097.962855] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 1097.962886] netdev_core_pick_tx (net/core/dev.c:4211) [ 1097.962912] __dev_queue_xmit (net/core/dev.c:4295) [ 1097.962936] ? eth_header (net/ethernet/eth.c:85) [ 1097.962961] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 1097.962987] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 1097.963018] mld_sendpack (net/ipv6/mcast.c:1822) [ 1097.963044] mld_ifc_work (net/ipv6/mcast.c:2652) [ 1097.963068] process_one_work (kernel/workqueue.c:3254) [ 1097.963093] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1097.963124] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 1097.963150] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1097.963180] kthread (kernel/kthread.c:388) [ 1097.963206] ? __pfx_kthread (kernel/kthread.c:341) [ 1097.963231] ret_from_fork (arch/x86/kernel/process.c:147) [ 1097.963256] ? __pfx_kthread (kernel/kthread.c:341) [ 1097.963280] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 1097.963306] | [ 1160.964386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 1160.964562] rcu: 0-....: (1157284 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=273547 | [ 1160.964614] rcu: (t=1155054 jiffies g=-135 q=537 ncpus=4) [ 1160.964684] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1160.964749] Workqueue: mld mld_ifc_work [ 1160.964781] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1160.964816] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 1160.964912] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 1160.964943] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 1160.964988] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 1160.965027] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 1160.965066] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 1160.965104] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 1160.965144] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 1160.965188] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1160.965225] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 1160.965265] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1160.965308] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1160.965347] PKRU: 55555554 [ 1160.965360] Call Trace: [ 1160.965374] [ 1160.965393] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 1160.965427] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 1160.965459] ? notifier_call_chain (kernel/notifier.c:93) [ 1160.965490] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 1160.965521] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 1160.965552] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 1160.965584] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 1160.965616] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 1160.965641] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 1160.965673] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 1160.965705] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 1160.965736] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 1160.965768] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 1160.965799] [ 1160.965812] [ 1160.965825] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1160.965857] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1160.965882] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 1160.965914] netdev_core_pick_tx (net/core/dev.c:4211) [ 1160.965941] __dev_queue_xmit (net/core/dev.c:4295) [ 1160.965965] ? eth_header (net/ethernet/eth.c:85) [ 1160.965990] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 1160.966017] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 1160.966048] mld_sendpack (net/ipv6/mcast.c:1822) [ 1160.966074] mld_ifc_work (net/ipv6/mcast.c:2652) [ 1160.966099] process_one_work (kernel/workqueue.c:3254) [ 1160.966124] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1160.966155] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 1160.966181] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1160.966212] kthread (kernel/kthread.c:388) [ 1160.966237] ? __pfx_kthread (kernel/kthread.c:341) [ 1160.966262] ret_from_fork (arch/x86/kernel/process.c:147) [ 1160.966288] ? __pfx_kthread (kernel/kthread.c:341) [ 1160.966313] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 1160.966339] | [ 1223.967386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 1223.967502] rcu: 0-....: (1220287 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=288754 | [ 1223.967554] rcu: (t=1218057 jiffies g=-135 q=537 ncpus=4) [ 1223.967623] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1223.967686] Workqueue: mld mld_ifc_work [ 1223.967718] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1223.967752] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 1223.967847] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 1223.967878] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 1223.967922] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 1223.967966] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 1223.968004] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 1223.968042] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 1223.968082] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 1223.968126] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1223.968162] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 1223.968208] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1223.968250] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1223.968288] PKRU: 55555554 [ 1223.968301] Call Trace: [ 1223.968315] [ 1223.968334] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 1223.968370] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 1223.968405] ? notifier_call_chain (kernel/notifier.c:93) [ 1223.968441] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 1223.968472] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 1223.968504] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 1223.968535] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 1223.968566] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 1223.968591] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 1223.968622] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 1223.968654] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 1223.968685] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 1223.968717] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 1223.968748] [ 1223.968761] [ 1223.968774] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1223.968805] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1223.968830] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 1223.968861] netdev_core_pick_tx (net/core/dev.c:4211) [ 1223.968887] __dev_queue_xmit (net/core/dev.c:4295) [ 1223.968911] ? eth_header (net/ethernet/eth.c:85) [ 1223.968936] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 1223.968961] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 1223.968992] mld_sendpack (net/ipv6/mcast.c:1822) [ 1223.969018] mld_ifc_work (net/ipv6/mcast.c:2652) [ 1223.969042] process_one_work (kernel/workqueue.c:3254) [ 1223.969067] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1223.969098] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 1223.969123] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1223.969154] kthread (kernel/kthread.c:388) [ 1223.969179] ? __pfx_kthread (kernel/kthread.c:341) [ 1223.969204] ret_from_fork (arch/x86/kernel/process.c:147) [ 1223.969229] ? __pfx_kthread (kernel/kthread.c:341) [ 1223.969253] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 1223.969280] | [ 1286.970387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 1286.970565] rcu: 0-....: (1283290 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=303980 | [ 1286.970622] rcu: (t=1281060 jiffies g=-135 q=537 ncpus=4) [ 1286.970696] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1286.970761] Workqueue: mld mld_ifc_work [ 1286.970794] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1286.970830] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 1286.970924] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 1286.970955] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 1286.970999] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 1286.971064] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 1286.971108] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 1286.971152] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 1286.971198] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 1286.971245] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1286.971281] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 1286.971326] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1286.971370] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1286.971414] PKRU: 55555554 [ 1286.971432] Call Trace: [ 1286.971452] [ 1286.971471] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 1286.971506] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 1286.971538] ? notifier_call_chain (kernel/notifier.c:93) [ 1286.971568] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 1286.971600] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 1286.971631] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 1286.971663] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 1286.971696] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 1286.971721] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 1286.971752] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 1286.971785] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 1286.971815] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 1286.971847] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 1286.971880] [ 1286.971899] [ 1286.971917] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1286.971953] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1286.971977] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 1286.972008] netdev_core_pick_tx (net/core/dev.c:4211) [ 1286.972039] __dev_queue_xmit (net/core/dev.c:4295) [ 1286.972067] ? eth_header (net/ethernet/eth.c:85) [ 1286.972095] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 1286.972124] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 1286.972157] mld_sendpack (net/ipv6/mcast.c:1822) [ 1286.972183] mld_ifc_work (net/ipv6/mcast.c:2652) [ 1286.972207] process_one_work (kernel/workqueue.c:3254) [ 1286.972232] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1286.972267] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 1286.972292] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1286.972323] kthread (kernel/kthread.c:388) [ 1286.972348] ? __pfx_kthread (kernel/kthread.c:341) [ 1286.972372] ret_from_fork (arch/x86/kernel/process.c:147) [ 1286.972400] ? __pfx_kthread (kernel/kthread.c:341) [ 1286.972425] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 1286.972451] | [ 1349.973387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 1349.973573] rcu: 0-....: (1346292 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=318599 | [ 1349.973636] rcu: (t=1344063 jiffies g=-135 q=537 ncpus=4) [ 1349.973718] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1349.973789] Workqueue: mld mld_ifc_work [ 1349.973828] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1349.973870] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 1349.973977] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 1349.974012] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 1349.974061] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 1349.974109] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 1349.974157] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 1349.974206] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 1349.974256] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 1349.974309] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1349.974349] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 1349.974399] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1349.974446] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1349.974495] PKRU: 55555554 [ 1349.974515] Call Trace: [ 1349.974531] [ 1349.974552] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 1349.974592] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 1349.974626] ? notifier_call_chain (kernel/notifier.c:93) [ 1349.974666] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 1349.974705] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 1349.974739] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 1349.974773] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 1349.974813] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 1349.974850] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 1349.974885] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 1349.974919] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 1349.974954] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 1349.974993] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 1349.975028] [ 1349.975048] [ 1349.975070] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1349.975105] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1349.975132] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 1349.975166] netdev_core_pick_tx (net/core/dev.c:4211) [ 1349.975199] __dev_queue_xmit (net/core/dev.c:4295) [ 1349.975226] ? eth_header (net/ethernet/eth.c:85) [ 1349.975254] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 1349.975283] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 1349.975316] mld_sendpack (net/ipv6/mcast.c:1822) [ 1349.975349] mld_ifc_work (net/ipv6/mcast.c:2652) [ 1349.975376] process_one_work (kernel/workqueue.c:3254) [ 1349.975411] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1349.975444] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 1349.975472] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1349.975506] kthread (kernel/kthread.c:388) [ 1349.975535] ? __pfx_kthread (kernel/kthread.c:341) [ 1349.975562] ret_from_fork (arch/x86/kernel/process.c:147) [ 1349.975589] ? __pfx_kthread (kernel/kthread.c:341) [ 1349.975615] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 1349.975643] | [ 1412.976388] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 1412.976526] rcu: 0-....: (1409294 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=332779 | [ 1412.976587] rcu: (t=1407066 jiffies g=-135 q=537 ncpus=4) [ 1412.976666] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1412.976738] Workqueue: mld mld_ifc_work [ 1412.976781] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1412.976823] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 1412.976930] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 1412.976966] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 1412.977016] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 1412.977067] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 1412.977121] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 1412.977169] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 1412.977221] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 1412.977271] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1412.977313] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 1412.977363] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1412.977412] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1412.977462] PKRU: 55555554 [ 1412.977484] Call Trace: [ 1412.977509] [ 1412.977531] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 1412.977573] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 1412.977610] ? notifier_call_chain (kernel/notifier.c:93) [ 1412.977646] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 1412.977683] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 1412.977720] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 1412.977757] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 1412.977793] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 1412.977823] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 1412.977860] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 1412.977897] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 1412.977933] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 1412.977969] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 1412.978005] [ 1412.978019] [ 1412.978051] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1412.978087] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1412.978116] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 1412.978153] netdev_core_pick_tx (net/core/dev.c:4211) [ 1412.978182] __dev_queue_xmit (net/core/dev.c:4295) [ 1412.978211] ? eth_header (net/ethernet/eth.c:85) [ 1412.978245] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 1412.978276] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 1412.978312] mld_sendpack (net/ipv6/mcast.c:1822) [ 1412.978343] mld_ifc_work (net/ipv6/mcast.c:2652) [ 1412.978372] process_one_work (kernel/workqueue.c:3254) [ 1412.978403] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1412.978440] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 1412.978470] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1412.978507] kthread (kernel/kthread.c:388) [ 1412.978537] ? __pfx_kthread (kernel/kthread.c:341) [ 1412.978567] ret_from_fork (arch/x86/kernel/process.c:147) [ 1412.978601] ? __pfx_kthread (kernel/kthread.c:341) [ 1412.978630] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 1412.978662] | [ 1475.979388] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 1475.979507] rcu: 0-....: (1472296 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=347201 | [ 1475.979570] rcu: (t=1470069 jiffies g=-135 q=537 ncpus=4) [ 1475.979654] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1475.979727] Workqueue: mld mld_ifc_work [ 1475.979766] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1475.979807] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 1475.979915] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 1475.979951] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 1475.980002] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 1475.980053] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 1475.980103] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 1475.980159] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 1475.980211] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 1475.980260] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1475.980302] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 1475.980353] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1475.980404] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1475.980455] PKRU: 55555554 [ 1475.980470] Call Trace: [ 1475.980487] [ 1475.980507] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 1475.980548] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 1475.980584] ? notifier_call_chain (kernel/notifier.c:93) [ 1475.980619] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 1475.980658] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 1475.980694] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 1475.980729] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 1475.980770] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 1475.980798] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 1475.980833] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 1475.980868] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 1475.980903] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 1475.980938] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 1475.980973] [ 1475.980988] [ 1475.981003] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1475.981040] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1475.981068] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 1475.981103] netdev_core_pick_tx (net/core/dev.c:4211) [ 1475.981138] __dev_queue_xmit (net/core/dev.c:4295) [ 1475.981166] ? eth_header (net/ethernet/eth.c:85) [ 1475.981199] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 1475.981233] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 1475.981269] mld_sendpack (net/ipv6/mcast.c:1822) [ 1475.981298] mld_ifc_work (net/ipv6/mcast.c:2652) [ 1475.981325] process_one_work (kernel/workqueue.c:3254) [ 1475.981354] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1475.981389] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 1475.981419] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1475.981454] kthread (kernel/kthread.c:388) [ 1475.981483] ? __pfx_kthread (kernel/kthread.c:341) [ 1475.981511] ret_from_fork (arch/x86/kernel/process.c:147) [ 1475.981545] ? __pfx_kthread (kernel/kthread.c:341) [ 1475.981573] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 1475.981607] | [ 1538.982394] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 1538.982517] rcu: 0-....: (1535298 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=361670 | [ 1538.982579] rcu: (t=1533072 jiffies g=-135 q=537 ncpus=4) [ 1538.982662] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1538.982741] Workqueue: mld mld_ifc_work [ 1538.982783] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1538.982824] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 1538.982931] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 1538.982966] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 1538.983015] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 1538.983066] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 1538.983115] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 1538.983165] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 1538.983217] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 1538.983266] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1538.983308] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 1538.983360] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1538.983409] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1538.983459] PKRU: 55555554 [ 1538.983474] Call Trace: [ 1538.983491] [ 1538.983511] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 1538.983554] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 1538.983590] ? notifier_call_chain (kernel/notifier.c:93) [ 1538.983625] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 1538.983660] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 1538.983695] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 1538.983736] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 1538.983773] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 1538.983802] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 1538.983837] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 1538.983872] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 1538.983907] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 1538.983942] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 1538.983977] [ 1538.983998] [ 1538.984012] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1538.984048] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1538.984076] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 1538.984111] netdev_core_pick_tx (net/core/dev.c:4211) [ 1538.984140] __dev_queue_xmit (net/core/dev.c:4295) [ 1538.984167] ? eth_header (net/ethernet/eth.c:85) [ 1538.984199] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 1538.984231] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 1538.984264] mld_sendpack (net/ipv6/mcast.c:1822) [ 1538.984293] mld_ifc_work (net/ipv6/mcast.c:2652) [ 1538.984321] process_one_work (kernel/workqueue.c:3254) [ 1538.984356] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1538.984391] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 1538.984419] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1538.984453] kthread (kernel/kthread.c:388) [ 1538.984481] ? __pfx_kthread (kernel/kthread.c:341) [ 1538.984510] ret_from_fork (arch/x86/kernel/process.c:147) [ 1538.984538] ? __pfx_kthread (kernel/kthread.c:341) [ 1538.984566] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 1538.984594] | [ 1601.985387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 1601.985576] rcu: 0-....: (1598300 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=375979 | [ 1601.985639] rcu: (t=1596075 jiffies g=-135 q=537 ncpus=4) [ 1601.985720] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1601.985789] Workqueue: mld mld_ifc_work [ 1601.985829] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1601.985871] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 1601.985974] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 1601.986008] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 1601.986056] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 1601.986104] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 1601.986152] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 1601.986199] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 1601.986249] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 1601.986296] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1601.986336] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 1601.986385] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1601.986433] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1601.986481] PKRU: 55555554 [ 1601.986502] Call Trace: [ 1601.986525] [ 1601.986546] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 1601.986588] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 1601.986622] ? notifier_call_chain (kernel/notifier.c:93) [ 1601.986656] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 1601.986690] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 1601.986725] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 1601.986759] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 1601.986798] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 1601.986829] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 1601.986864] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 1601.986899] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 1601.986933] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 1601.986968] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 1601.987003] [ 1601.987023] [ 1601.987044] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1601.987079] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1601.987106] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 1601.987140] netdev_core_pick_tx (net/core/dev.c:4211) [ 1601.987171] __dev_queue_xmit (net/core/dev.c:4295) [ 1601.987198] ? eth_header (net/ethernet/eth.c:85) [ 1601.987229] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 1601.987260] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 1601.987296] mld_sendpack (net/ipv6/mcast.c:1822) [ 1601.987324] mld_ifc_work (net/ipv6/mcast.c:2652) [ 1601.987350] process_one_work (kernel/workqueue.c:3254) [ 1601.987381] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1601.987414] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 1601.987441] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1601.987488] kthread (kernel/kthread.c:388) [ 1601.987517] ? __pfx_kthread (kernel/kthread.c:341) [ 1601.987543] ret_from_fork (arch/x86/kernel/process.c:147) [ 1601.987570] ? __pfx_kthread (kernel/kthread.c:341) [ 1601.987597] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 1601.987630] | [ 1664.988387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 1664.988566] rcu: 0-....: (1661302 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=390208 | [ 1664.988628] rcu: (t=1659078 jiffies g=-135 q=537 ncpus=4) [ 1664.988708] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1664.988778] Workqueue: mld mld_ifc_work [ 1664.988819] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1664.988860] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 1664.988963] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 1664.988997] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 1664.989045] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 1664.989093] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 1664.989140] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 1664.989188] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 1664.989245] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 1664.989293] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1664.989333] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 1664.989382] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1664.989428] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1664.989475] PKRU: 55555554 [ 1664.989495] Call Trace: [ 1664.989517] [ 1664.989537] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 1664.989579] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 1664.989614] ? notifier_call_chain (kernel/notifier.c:93) [ 1664.989648] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 1664.989683] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 1664.989718] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 1664.989753] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 1664.989796] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 1664.989828] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 1664.989862] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 1664.989898] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 1664.989933] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 1664.989967] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 1664.990001] [ 1664.990021] [ 1664.990035] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1664.990069] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1664.990096] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 1664.990129] netdev_core_pick_tx (net/core/dev.c:4211) [ 1664.990162] __dev_queue_xmit (net/core/dev.c:4295) [ 1664.990188] ? eth_header (net/ethernet/eth.c:85) [ 1664.990221] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 1664.990254] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 1664.990291] mld_sendpack (net/ipv6/mcast.c:1822) [ 1664.990320] mld_ifc_work (net/ipv6/mcast.c:2652) [ 1664.990347] process_one_work (kernel/workqueue.c:3254) [ 1664.990374] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1664.990409] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 1664.990436] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1664.990470] kthread (kernel/kthread.c:388) [ 1664.990498] ? __pfx_kthread (kernel/kthread.c:341) [ 1664.990525] ret_from_fork (arch/x86/kernel/process.c:147) [ 1664.990556] ? __pfx_kthread (kernel/kthread.c:341) [ 1664.990583] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 1664.990612] | [ 1727.991387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 1727.991496] rcu: 0-....: (1724304 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=404701 | [ 1727.991548] rcu: (t=1722081 jiffies g=-135 q=537 ncpus=4) [ 1727.991618] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1727.991682] Workqueue: mld mld_ifc_work [ 1727.991715] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1727.991752] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 1727.991847] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 1727.991879] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 1727.991923] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 1727.991967] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 1727.992005] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 1727.992043] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 1727.992083] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 1727.992126] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1727.992163] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 1727.992202] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1727.992245] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1727.992283] PKRU: 55555554 [ 1727.992296] Call Trace: [ 1727.992310] [ 1727.992328] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 1727.992363] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 1727.992396] ? notifier_call_chain (kernel/notifier.c:93) [ 1727.992427] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 1727.992460] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 1727.992491] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 1727.992523] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 1727.992558] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 1727.992586] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 1727.992618] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 1727.992649] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 1727.992680] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 1727.992712] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 1727.992743] [ 1727.992756] [ 1727.992769] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1727.992801] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1727.992825] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 1727.992856] netdev_core_pick_tx (net/core/dev.c:4211) [ 1727.992882] __dev_queue_xmit (net/core/dev.c:4295) [ 1727.992906] ? eth_header (net/ethernet/eth.c:85) [ 1727.992931] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 1727.992957] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 1727.992988] mld_sendpack (net/ipv6/mcast.c:1822) [ 1727.993013] mld_ifc_work (net/ipv6/mcast.c:2652) [ 1727.993038] process_one_work (kernel/workqueue.c:3254) [ 1727.993063] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1727.993094] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 1727.993119] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1727.993150] kthread (kernel/kthread.c:388) [ 1727.993175] ? __pfx_kthread (kernel/kthread.c:341) [ 1727.993200] ret_from_fork (arch/x86/kernel/process.c:147) [ 1727.993225] ? __pfx_kthread (kernel/kthread.c:341) [ 1727.993250] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 1727.993276] | [ 1790.994406] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 1790.994649] rcu: 0-....: (1787307 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=419154 | [ 1790.994714] rcu: (t=1785084 jiffies g=-135 q=537 ncpus=4) [ 1790.994803] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1790.994873] Workqueue: mld mld_ifc_work [ 1790.994913] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1790.994955] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 1790.995061] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 1790.995094] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 1790.995141] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 1790.995183] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 1790.995224] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 1790.995270] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 1790.995320] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 1790.995374] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1790.995414] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 1790.995457] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1790.995503] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1790.995544] PKRU: 55555554 [ 1790.995558] Call Trace: [ 1790.995578] [ 1790.995605] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 1790.995644] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 1790.995677] ? notifier_call_chain (kernel/notifier.c:93) [ 1790.995711] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 1790.995744] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 1790.995777] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 1790.995811] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 1790.995851] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 1790.995878] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 1790.995911] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 1790.995945] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 1790.995979] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 1790.996012] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 1790.996045] [ 1790.996059] [ 1790.996072] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1790.996107] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1790.996133] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 1790.996167] netdev_core_pick_tx (net/core/dev.c:4211) [ 1790.996202] __dev_queue_xmit (net/core/dev.c:4295) [ 1790.996228] ? eth_header (net/ethernet/eth.c:85) [ 1790.996255] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 1790.996286] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 1790.996320] mld_sendpack (net/ipv6/mcast.c:1822) [ 1790.996347] mld_ifc_work (net/ipv6/mcast.c:2652) [ 1790.996373] process_one_work (kernel/workqueue.c:3254) [ 1790.996405] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1790.996438] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 1790.996466] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1790.996499] kthread (kernel/kthread.c:388) [ 1790.996525] ? __pfx_kthread (kernel/kthread.c:341) [ 1790.996552] ret_from_fork (arch/x86/kernel/process.c:147) [ 1790.996579] ? __pfx_kthread (kernel/kthread.c:341) [ 1790.996605] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 1790.996633] | [ 1853.997387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 1853.997595] rcu: 0-....: (1850309 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=433253 | [ 1853.997654] rcu: (t=1848087 jiffies g=-135 q=537 ncpus=4) [ 1853.997735] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1853.997802] Workqueue: mld mld_ifc_work [ 1853.997835] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1853.997872] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 1853.997973] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 1853.998005] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 1853.998052] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 1853.998093] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 1853.998139] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 1853.998181] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 1853.998224] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 1853.998276] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1853.998315] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 1853.998363] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1853.998408] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1853.998449] PKRU: 55555554 [ 1853.998463] Call Trace: [ 1853.998478] [ 1853.998497] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 1853.998534] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 1853.998567] ? notifier_call_chain (kernel/notifier.c:93) [ 1853.998600] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 1853.998633] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 1853.998666] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 1853.998699] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 1853.998732] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 1853.998758] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 1853.998785] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 1853.998812] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 1853.998846] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 1853.998878] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 1853.998911] [ 1853.998924] [ 1853.998937] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1853.998972] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1853.998997] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 1853.999030] netdev_core_pick_tx (net/core/dev.c:4211) [ 1853.999058] __dev_queue_xmit (net/core/dev.c:4295) [ 1853.999083] ? eth_header (net/ethernet/eth.c:85) [ 1853.999109] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 1853.999136] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 1853.999169] mld_sendpack (net/ipv6/mcast.c:1822) [ 1853.999195] mld_ifc_work (net/ipv6/mcast.c:2652) [ 1853.999221] process_one_work (kernel/workqueue.c:3254) [ 1853.999248] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1853.999281] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 1853.999308] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1853.999341] kthread (kernel/kthread.c:388) [ 1853.999367] ? __pfx_kthread (kernel/kthread.c:341) [ 1853.999387] ret_from_fork (arch/x86/kernel/process.c:147) [ 1853.999413] ? __pfx_kthread (kernel/kthread.c:341) [ 1853.999433] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 1853.999460] | [ 1917.000390] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 1917.000608] rcu: 0-....: (1913311 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=446998 | [ 1917.000669] rcu: (t=1911090 jiffies g=-135 q=537 ncpus=4) [ 1917.000750] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1917.000820] Workqueue: mld mld_ifc_work [ 1917.000855] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 1917.000896] 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 [ 1917.000998] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 1917.001031] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 1917.001078] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 1917.001119] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 1917.001160] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 1917.001202] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 1917.001246] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 1917.001295] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1917.001335] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 1917.001378] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1917.001424] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1917.001466] PKRU: 55555554 [ 1917.001480] Call Trace: [ 1917.001496] [ 1917.001515] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 1917.001556] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 1917.001589] ? notifier_call_chain (kernel/notifier.c:93) [ 1917.001622] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 1917.001655] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 1917.001689] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 1917.001722] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 1917.001759] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 1917.001786] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 1917.001819] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 1917.001853] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 1917.001887] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 1917.001919] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 1917.001953] [ 1917.001967] [ 1917.001980] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1917.002015] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 1917.002041] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 1917.002075] netdev_core_pick_tx (net/core/dev.c:4211) [ 1917.002106] __dev_queue_xmit (net/core/dev.c:4295) [ 1917.002132] ? eth_header (net/ethernet/eth.c:85) [ 1917.002164] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 1917.002192] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 1917.002225] mld_sendpack (net/ipv6/mcast.c:1822) [ 1917.002252] mld_ifc_work (net/ipv6/mcast.c:2652) [ 1917.002277] process_one_work (kernel/workqueue.c:3254) [ 1917.002308] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1917.002341] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 1917.002369] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1917.002402] kthread (kernel/kthread.c:388) [ 1917.002429] ? __pfx_kthread (kernel/kthread.c:341) [ 1917.002455] ret_from_fork (arch/x86/kernel/process.c:147) [ 1917.002482] ? __pfx_kthread (kernel/kthread.c:341) [ 1917.002509] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 1917.002537] | [ 1980.003387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 1980.003527] rcu: 0-....: (1976313 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=460939 | [ 1980.003589] rcu: (t=1974093 jiffies g=-135 q=537 ncpus=4) [ 1980.003672] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 1980.003748] Workqueue: mld mld_ifc_work [ 1980.003787] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1980.003827] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 1980.003934] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 1980.003970] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 1980.004019] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 1980.004069] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 1980.004118] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 1980.004168] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 1980.004219] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 1980.004268] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 1980.004309] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 1980.004360] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 1980.004409] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 1980.004458] PKRU: 55555554 [ 1980.004479] Call Trace: [ 1980.004498] [ 1980.004522] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 1980.004562] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 1980.004597] ? notifier_call_chain (kernel/notifier.c:93) [ 1980.004632] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 1980.004667] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 1980.004703] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 1980.004738] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 1980.004774] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 1980.004802] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 1980.004837] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 1980.004872] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 1980.004908] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 1980.004943] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 1980.004978] [ 1980.004999] [ 1980.005019] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 1980.005055] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 1980.005083] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 1980.005118] netdev_core_pick_tx (net/core/dev.c:4211) [ 1980.005147] __dev_queue_xmit (net/core/dev.c:4295) [ 1980.005174] ? eth_header (net/ethernet/eth.c:85) [ 1980.005203] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 1980.005231] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 1980.005266] mld_sendpack (net/ipv6/mcast.c:1822) [ 1980.005294] mld_ifc_work (net/ipv6/mcast.c:2652) [ 1980.005322] process_one_work (kernel/workqueue.c:3254) [ 1980.005350] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1980.005385] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 1980.005413] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 1980.005448] kthread (kernel/kthread.c:388) [ 1980.005476] ? __pfx_kthread (kernel/kthread.c:341) [ 1980.005504] ret_from_fork (arch/x86/kernel/process.c:147) [ 1980.005532] ? __pfx_kthread (kernel/kthread.c:341) [ 1980.005560] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 1980.005589] | [ 2043.006387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 2043.006517] rcu: 0-....: (2039315 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=475112 | [ 2043.006579] rcu: (t=2037096 jiffies g=-135 q=537 ncpus=4) [ 2043.006660] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2043.006732] Workqueue: mld mld_ifc_work [ 2043.006768] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 2043.006810] 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 [ 2043.006917] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 2043.006952] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 2043.007001] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 2043.007051] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 2043.007100] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 2043.007150] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 2043.007202] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 2043.007255] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2043.007296] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 2043.007347] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2043.007395] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2043.007445] PKRU: 55555554 [ 2043.007465] Call Trace: [ 2043.007488] [ 2043.007508] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 2043.007546] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 2043.007581] ? notifier_call_chain (kernel/notifier.c:93) [ 2043.007617] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 2043.007652] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 2043.007687] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 2043.007723] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 2043.007758] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 2043.007785] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 2043.007821] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 2043.007857] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 2043.007892] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 2043.007927] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 2043.007962] [ 2043.007982] [ 2043.008003] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 2043.008039] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 2043.008066] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 2043.008101] netdev_core_pick_tx (net/core/dev.c:4211) [ 2043.008130] __dev_queue_xmit (net/core/dev.c:4295) [ 2043.008173] ? eth_header (net/ethernet/eth.c:85) [ 2043.008202] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 2043.008232] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 2043.008267] mld_sendpack (net/ipv6/mcast.c:1822) [ 2043.008297] mld_ifc_work (net/ipv6/mcast.c:2652) [ 2043.008325] process_one_work (kernel/workqueue.c:3254) [ 2043.008354] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2043.008389] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 2043.008418] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2043.008454] kthread (kernel/kthread.c:388) [ 2043.008483] ? __pfx_kthread (kernel/kthread.c:341) [ 2043.008512] ret_from_fork (arch/x86/kernel/process.c:147) [ 2043.008541] ? __pfx_kthread (kernel/kthread.c:341) [ 2043.008569] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 2043.008599] | [ 2106.009404] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 2106.009541] rcu: 0-....: (2102317 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=489110 | [ 2106.009605] rcu: (t=2100099 jiffies g=-135 q=537 ncpus=4) [ 2106.009684] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2106.009758] Workqueue: mld mld_ifc_work [ 2106.009794] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2106.009834] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 2106.009944] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 2106.009981] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 2106.010032] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 2106.010083] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 2106.010134] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 2106.010185] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 2106.010238] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 2106.010292] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2106.010335] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 2106.010387] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2106.010446] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2106.010496] PKRU: 55555554 [ 2106.010517] Call Trace: [ 2106.010533] [ 2106.010554] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 2106.010591] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 2106.010626] ? notifier_call_chain (kernel/notifier.c:93) [ 2106.010661] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 2106.010696] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 2106.010731] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 2106.010767] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 2106.010802] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 2106.010830] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 2106.010865] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 2106.010901] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 2106.010936] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 2106.010971] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 2106.011006] [ 2106.011026] [ 2106.011047] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 2106.011083] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2106.011110] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 2106.011145] netdev_core_pick_tx (net/core/dev.c:4211) [ 2106.011174] __dev_queue_xmit (net/core/dev.c:4295) [ 2106.011201] ? eth_header (net/ethernet/eth.c:85) [ 2106.011230] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 2106.011259] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 2106.011294] mld_sendpack (net/ipv6/mcast.c:1822) [ 2106.011323] mld_ifc_work (net/ipv6/mcast.c:2652) [ 2106.011350] process_one_work (kernel/workqueue.c:3254) [ 2106.011378] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2106.011413] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 2106.011441] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2106.011476] kthread (kernel/kthread.c:388) [ 2106.011504] ? __pfx_kthread (kernel/kthread.c:341) [ 2106.011532] ret_from_fork (arch/x86/kernel/process.c:147) [ 2106.011561] ? __pfx_kthread (kernel/kthread.c:341) [ 2106.011588] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 2106.011618] | [ 2169.012387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 2169.012569] rcu: 0-....: (2165319 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=503265 | [ 2169.012625] rcu: (t=2163102 jiffies g=-135 q=537 ncpus=4) [ 2169.012700] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2169.012764] Workqueue: mld mld_ifc_work [ 2169.012796] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2169.012834] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 2169.012937] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 2169.012970] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 2169.013013] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 2169.013054] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 2169.013096] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 2169.013138] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 2169.013181] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 2169.013229] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2169.013269] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 2169.013312] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2169.013358] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2169.013400] PKRU: 55555554 [ 2169.013414] Call Trace: [ 2169.013430] [ 2169.013449] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 2169.013485] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 2169.013519] ? notifier_call_chain (kernel/notifier.c:93) [ 2169.013552] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 2169.013586] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 2169.013619] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 2169.013653] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 2169.013686] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 2169.013713] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 2169.013746] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 2169.013780] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 2169.013814] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 2169.013847] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 2169.013881] [ 2169.013895] [ 2169.013909] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 2169.013942] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2169.013968] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 2169.014002] netdev_core_pick_tx (net/core/dev.c:4211) [ 2169.014030] __dev_queue_xmit (net/core/dev.c:4295) [ 2169.014056] ? eth_header (net/ethernet/eth.c:85) [ 2169.014082] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 2169.014109] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 2169.014143] mld_sendpack (net/ipv6/mcast.c:1822) [ 2169.014169] mld_ifc_work (net/ipv6/mcast.c:2652) [ 2169.014196] process_one_work (kernel/workqueue.c:3254) [ 2169.014223] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2169.014256] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 2169.014283] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2169.014316] kthread (kernel/kthread.c:388) [ 2169.014343] ? __pfx_kthread (kernel/kthread.c:341) [ 2169.014369] ret_from_fork (arch/x86/kernel/process.c:147) [ 2169.014395] ? __pfx_kthread (kernel/kthread.c:341) [ 2169.014422] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 2169.014450] | [ 2232.015414] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 2232.015608] rcu: 0-....: (2228321 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=517490 | [ 2232.015667] rcu: (t=2226105 jiffies g=-135 q=537 ncpus=4) [ 2232.015740] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2232.015806] Workqueue: mld mld_ifc_work [ 2232.015839] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 2232.015874] 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 [ 2232.015975] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 2232.016008] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 2232.016048] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 2232.016089] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 2232.016130] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 2232.016187] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 2232.016231] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 2232.016278] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2232.016317] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 2232.016360] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2232.016406] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2232.016448] PKRU: 55555554 [ 2232.016462] Call Trace: [ 2232.016477] [ 2232.016498] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 2232.016534] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 2232.016567] ? notifier_call_chain (kernel/notifier.c:93) [ 2232.016601] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 2232.016642] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 2232.016675] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 2232.016709] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 2232.016742] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 2232.016769] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 2232.016797] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 2232.016826] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 2232.016859] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 2232.016892] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 2232.016926] [ 2232.016940] [ 2232.016954] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 2232.016987] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 2232.017014] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 2232.017047] netdev_core_pick_tx (net/core/dev.c:4211) [ 2232.017075] __dev_queue_xmit (net/core/dev.c:4295) [ 2232.017100] ? eth_header (net/ethernet/eth.c:85) [ 2232.017128] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 2232.017155] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 2232.017188] mld_sendpack (net/ipv6/mcast.c:1822) [ 2232.017215] mld_ifc_work (net/ipv6/mcast.c:2652) [ 2232.017241] process_one_work (kernel/workqueue.c:3254) [ 2232.017268] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2232.017301] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 2232.017328] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2232.017362] kthread (kernel/kthread.c:388) [ 2232.017388] ? __pfx_kthread (kernel/kthread.c:341) [ 2232.017414] ret_from_fork (arch/x86/kernel/process.c:147) [ 2232.017441] ? __pfx_kthread (kernel/kthread.c:341) [ 2232.017468] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 2232.017496] | [ 2295.018400] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 2295.018582] rcu: 0-....: (2291323 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=531691 | [ 2295.018637] rcu: (t=2289108 jiffies g=-135 q=537 ncpus=4) [ 2295.018719] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2295.018789] Workqueue: mld mld_ifc_work [ 2295.018837] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2295.018874] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 2295.018972] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 2295.019004] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 2295.019045] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 2295.019086] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 2295.019126] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 2295.019168] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 2295.019210] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 2295.019256] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2295.019295] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 2295.019337] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2295.019382] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2295.019423] PKRU: 55555554 [ 2295.019436] Call Trace: [ 2295.019454] [ 2295.019477] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 2295.019512] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 2295.019545] ? notifier_call_chain (kernel/notifier.c:93) [ 2295.019578] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 2295.019610] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 2295.019643] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 2295.019676] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 2295.019709] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 2295.019735] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 2295.019762] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 2295.019794] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 2295.019821] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 2295.019854] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 2295.019887] [ 2295.019901] [ 2295.019915] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 2295.019949] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2295.019974] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 2295.020007] netdev_core_pick_tx (net/core/dev.c:4211) [ 2295.020034] __dev_queue_xmit (net/core/dev.c:4295) [ 2295.020059] ? eth_header (net/ethernet/eth.c:85) [ 2295.020085] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 2295.020112] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 2295.020145] mld_sendpack (net/ipv6/mcast.c:1822) [ 2295.020171] mld_ifc_work (net/ipv6/mcast.c:2652) [ 2295.020215] process_one_work (kernel/workqueue.c:3254) [ 2295.020240] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2295.020272] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 2295.020299] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2295.020333] kthread (kernel/kthread.c:388) [ 2295.020359] ? __pfx_kthread (kernel/kthread.c:341) [ 2295.020381] ret_from_fork (arch/x86/kernel/process.c:147) [ 2295.020407] ? __pfx_kthread (kernel/kthread.c:341) [ 2295.020428] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 2295.020455] | [ 2358.021386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 2358.021597] rcu: 0-....: (2354325 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=545791 | [ 2358.021664] rcu: (t=2352111 jiffies g=-135 q=537 ncpus=4) [ 2358.021753] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2358.021828] Workqueue: mld mld_ifc_work [ 2358.021872] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 2358.021918] 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 [ 2358.022030] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 2358.022068] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 2358.022119] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 2358.022171] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 2358.022222] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 2358.022268] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 2358.022314] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 2358.022366] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2358.022408] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 2358.022460] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2358.022510] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2358.022562] PKRU: 55555554 [ 2358.022582] Call Trace: [ 2358.022600] [ 2358.022621] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 2358.022663] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 2358.022700] ? notifier_call_chain (kernel/notifier.c:93) [ 2358.022736] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 2358.022772] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 2358.022809] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 2358.022845] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 2358.022886] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 2358.022914] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 2358.022950] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 2358.022987] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 2358.023023] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 2358.023060] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 2358.023098] [ 2358.023113] [ 2358.023128] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 2358.023165] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 2358.023193] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 2358.023230] netdev_core_pick_tx (net/core/dev.c:4211) [ 2358.023260] __dev_queue_xmit (net/core/dev.c:4295) [ 2358.023288] ? eth_header (net/ethernet/eth.c:85) [ 2358.023321] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 2358.023354] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 2358.023390] mld_sendpack (net/ipv6/mcast.c:1822) [ 2358.023420] mld_ifc_work (net/ipv6/mcast.c:2652) [ 2358.023449] process_one_work (kernel/workqueue.c:3254) [ 2358.023482] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2358.023517] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 2358.023546] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2358.023583] kthread (kernel/kthread.c:388) [ 2358.023612] ? __pfx_kthread (kernel/kthread.c:341) [ 2358.023640] ret_from_fork (arch/x86/kernel/process.c:147) [ 2358.023674] ? __pfx_kthread (kernel/kthread.c:341) [ 2358.023702] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 2358.023742] | [ 2421.024388] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 2421.024577] rcu: 0-....: (2417327 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=560467 | [ 2421.024632] rcu: (t=2415114 jiffies g=-135 q=537 ncpus=4) [ 2421.024707] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2421.024775] Workqueue: mld mld_ifc_work [ 2421.024811] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2421.024849] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 2421.024951] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 2421.024984] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 2421.025025] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 2421.025066] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 2421.025106] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 2421.025147] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 2421.025191] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 2421.025239] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2421.025277] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 2421.025320] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2421.025365] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2421.025406] PKRU: 55555554 [ 2421.025420] Call Trace: [ 2421.025436] [ 2421.025455] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 2421.025493] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 2421.025526] ? notifier_call_chain (kernel/notifier.c:93) [ 2421.025559] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 2421.025592] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 2421.025625] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 2421.025659] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 2421.025714] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 2421.025752] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 2421.025780] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 2421.025815] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 2421.025849] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 2421.025882] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 2421.025919] [ 2421.025934] [ 2421.025948] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 2421.025983] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2421.026009] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 2421.026043] netdev_core_pick_tx (net/core/dev.c:4211) [ 2421.026076] __dev_queue_xmit (net/core/dev.c:4295) [ 2421.026102] ? eth_header (net/ethernet/eth.c:85) [ 2421.026129] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 2421.026156] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 2421.026189] mld_sendpack (net/ipv6/mcast.c:1822) [ 2421.026217] mld_ifc_work (net/ipv6/mcast.c:2652) [ 2421.026243] process_one_work (kernel/workqueue.c:3254) [ 2421.026271] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2421.026304] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 2421.026331] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2421.026365] kthread (kernel/kthread.c:388) [ 2421.026392] ? __pfx_kthread (kernel/kthread.c:341) [ 2421.026413] ret_from_fork (arch/x86/kernel/process.c:147) [ 2421.026441] ? __pfx_kthread (kernel/kthread.c:341) [ 2421.026462] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 2421.026489] | [ 2484.027398] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 2484.027574] rcu: 0-....: (2480329 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=575204 | [ 2484.027635] rcu: (t=2478117 jiffies g=-135 q=537 ncpus=4) [ 2484.027712] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2484.027782] Workqueue: mld mld_ifc_work [ 2484.027819] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 2484.027855] 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 [ 2484.027957] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 2484.027990] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 2484.028031] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 2484.028071] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 2484.028112] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 2484.028153] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 2484.028195] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 2484.028241] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2484.028280] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 2484.028322] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2484.028367] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2484.028408] PKRU: 55555554 [ 2484.028422] Call Trace: [ 2484.028439] [ 2484.028460] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 2484.028497] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 2484.028530] ? notifier_call_chain (kernel/notifier.c:93) [ 2484.028563] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 2484.028596] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 2484.028629] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 2484.028662] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 2484.028695] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 2484.028720] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 2484.028748] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 2484.028781] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 2484.028814] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 2484.028847] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 2484.028879] [ 2484.028892] [ 2484.028906] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 2484.028939] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 2484.028965] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 2484.028998] netdev_core_pick_tx (net/core/dev.c:4211) [ 2484.029025] __dev_queue_xmit (net/core/dev.c:4295) [ 2484.029050] ? eth_header (net/ethernet/eth.c:85) [ 2484.029076] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 2484.029102] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 2484.029135] mld_sendpack (net/ipv6/mcast.c:1822) [ 2484.029162] mld_ifc_work (net/ipv6/mcast.c:2652) [ 2484.029187] process_one_work (kernel/workqueue.c:3254) [ 2484.029213] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2484.029246] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 2484.029272] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2484.029304] kthread (kernel/kthread.c:388) [ 2484.029330] ? __pfx_kthread (kernel/kthread.c:341) [ 2484.029356] ret_from_fork (arch/x86/kernel/process.c:147) [ 2484.029382] ? __pfx_kthread (kernel/kthread.c:341) [ 2484.029408] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 2484.029435] | [ 2547.030388] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 2547.030581] rcu: 0-....: (2543331 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=589768 | [ 2547.030636] rcu: (t=2541120 jiffies g=-135 q=537 ncpus=4) [ 2547.030706] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2547.030765] Workqueue: mld mld_ifc_work [ 2547.030797] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2547.030832] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 2547.030928] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 2547.030960] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 2547.030999] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 2547.031038] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 2547.031078] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 2547.031117] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 2547.031158] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 2547.031202] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2547.031239] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 2547.031279] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2547.031323] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2547.031362] PKRU: 55555554 [ 2547.031375] Call Trace: [ 2547.031389] [ 2547.031407] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 2547.031445] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 2547.031477] ? notifier_call_chain (kernel/notifier.c:93) [ 2547.031508] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 2547.031539] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 2547.031570] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 2547.031601] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 2547.031633] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 2547.031658] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 2547.031689] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 2547.031720] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 2547.031751] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 2547.031782] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 2547.031814] [ 2547.031826] [ 2547.031839] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 2547.031871] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2547.031895] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 2547.031926] netdev_core_pick_tx (net/core/dev.c:4211) [ 2547.031952] __dev_queue_xmit (net/core/dev.c:4295) [ 2547.031975] ? eth_header (net/ethernet/eth.c:85) [ 2547.032000] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 2547.032025] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 2547.032056] mld_sendpack (net/ipv6/mcast.c:1822) [ 2547.032081] mld_ifc_work (net/ipv6/mcast.c:2652) [ 2547.032105] process_one_work (kernel/workqueue.c:3254) [ 2547.032130] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2547.032161] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 2547.032186] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2547.032216] kthread (kernel/kthread.c:388) [ 2547.032241] ? __pfx_kthread (kernel/kthread.c:341) [ 2547.032266] ret_from_fork (arch/x86/kernel/process.c:147) [ 2547.032291] ? __pfx_kthread (kernel/kthread.c:341) [ 2547.032315] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 2547.032341] | [ 2610.033398] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 2610.033596] rcu: 0-....: (2606334 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=604198 | [ 2610.033652] rcu: (t=2604123 jiffies g=-135 q=537 ncpus=4) [ 2610.033725] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2610.033793] Workqueue: mld mld_ifc_work [ 2610.033825] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2610.033863] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 2610.033964] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 2610.033997] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 2610.034037] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 2610.034078] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 2610.034118] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 2610.034159] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 2610.034201] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 2610.034248] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2610.034286] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 2610.034327] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2610.034373] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2610.034413] PKRU: 55555554 [ 2610.034427] Call Trace: [ 2610.034442] [ 2610.034461] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 2610.034498] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 2610.034531] ? notifier_call_chain (kernel/notifier.c:93) [ 2610.034564] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 2610.034596] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 2610.034629] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 2610.034662] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 2610.034695] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 2610.034721] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 2610.034748] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 2610.034775] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 2610.034808] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 2610.034840] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 2610.034873] [ 2610.034904] [ 2610.034935] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 2610.034969] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2610.034995] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 2610.035029] netdev_core_pick_tx (net/core/dev.c:4211) [ 2610.035056] __dev_queue_xmit (net/core/dev.c:4295) [ 2610.035083] ? eth_header (net/ethernet/eth.c:85) [ 2610.035110] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 2610.035137] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 2610.035171] mld_sendpack (net/ipv6/mcast.c:1822) [ 2610.035198] mld_ifc_work (net/ipv6/mcast.c:2652) [ 2610.035225] process_one_work (kernel/workqueue.c:3254) [ 2610.035251] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2610.035284] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 2610.035311] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2610.035345] kthread (kernel/kthread.c:388) [ 2610.035372] ? __pfx_kthread (kernel/kthread.c:341) [ 2610.035393] ret_from_fork (arch/x86/kernel/process.c:147) [ 2610.035421] ? __pfx_kthread (kernel/kthread.c:341) [ 2610.035447] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 2610.035475] | [ 2673.036388] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 2673.036563] rcu: 0-....: (2669336 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=618700 | [ 2673.036620] rcu: (t=2667126 jiffies g=-135 q=537 ncpus=4) [ 2673.036696] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2673.036765] Workqueue: mld mld_ifc_work [ 2673.036798] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2673.036845] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 2673.036946] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 2673.036979] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 2673.037026] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 2673.037067] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 2673.037108] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 2673.037148] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 2673.037191] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 2673.037236] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2673.037275] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 2673.037317] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2673.037363] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2673.037403] PKRU: 55555554 [ 2673.037417] Call Trace: [ 2673.037432] [ 2673.037452] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 2673.037487] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 2673.037520] ? notifier_call_chain (kernel/notifier.c:93) [ 2673.037552] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 2673.037585] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 2673.037617] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 2673.037650] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 2673.037683] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 2673.037710] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 2673.037737] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 2673.037764] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 2673.037792] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 2673.037825] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 2673.037858] [ 2673.037871] [ 2673.037885] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 2673.037918] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2673.037944] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 2673.037976] netdev_core_pick_tx (net/core/dev.c:4211) [ 2673.038003] __dev_queue_xmit (net/core/dev.c:4295) [ 2673.038028] ? eth_header (net/ethernet/eth.c:85) [ 2673.038055] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 2673.038082] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 2673.038114] mld_sendpack (net/ipv6/mcast.c:1822) [ 2673.038140] mld_ifc_work (net/ipv6/mcast.c:2652) [ 2673.038166] process_one_work (kernel/workqueue.c:3254) [ 2673.038192] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2673.038224] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 2673.038250] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2673.038283] kthread (kernel/kthread.c:388) [ 2673.038309] ? __pfx_kthread (kernel/kthread.c:341) [ 2673.038330] ret_from_fork (arch/x86/kernel/process.c:147) [ 2673.038356] ? __pfx_kthread (kernel/kthread.c:341) [ 2673.038376] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 2673.038403] | [ 2736.039387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 2736.039580] rcu: 0-....: (2732338 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=633050 | [ 2736.039640] rcu: (t=2730129 jiffies g=-135 q=537 ncpus=4) [ 2736.039714] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2736.039784] Workqueue: mld mld_ifc_work [ 2736.039817] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2736.039854] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 2736.039957] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 2736.040001] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 2736.040042] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 2736.040083] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 2736.040124] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 2736.040165] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 2736.040207] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 2736.040252] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2736.040291] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 2736.040339] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2736.040385] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2736.040426] PKRU: 55555554 [ 2736.040440] Call Trace: [ 2736.040455] [ 2736.040474] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 2736.040512] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 2736.040546] ? notifier_call_chain (kernel/notifier.c:93) [ 2736.040578] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 2736.040611] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 2736.040644] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 2736.040676] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 2736.040708] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 2736.040734] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 2736.040762] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 2736.040789] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 2736.040822] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 2736.040854] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 2736.040887] [ 2736.040900] [ 2736.040914] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 2736.040947] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2736.040972] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 2736.041005] netdev_core_pick_tx (net/core/dev.c:4211) [ 2736.041032] __dev_queue_xmit (net/core/dev.c:4295) [ 2736.041057] ? eth_header (net/ethernet/eth.c:85) [ 2736.041083] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 2736.041109] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 2736.041142] mld_sendpack (net/ipv6/mcast.c:1822) [ 2736.041168] mld_ifc_work (net/ipv6/mcast.c:2652) [ 2736.041194] process_one_work (kernel/workqueue.c:3254) [ 2736.041219] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2736.041252] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 2736.041278] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2736.041311] kthread (kernel/kthread.c:388) [ 2736.041338] ? __pfx_kthread (kernel/kthread.c:341) [ 2736.041359] ret_from_fork (arch/x86/kernel/process.c:147) [ 2736.041385] ? __pfx_kthread (kernel/kthread.c:341) [ 2736.041405] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 2736.041431] | [ 2799.042398] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 2799.042572] rcu: 0-....: (2795340 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=647056 | [ 2799.042627] rcu: (t=2793132 jiffies g=-135 q=537 ncpus=4) [ 2799.042708] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2799.042770] Workqueue: mld mld_ifc_work [ 2799.042804] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2799.042842] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 2799.042943] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 2799.042976] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 2799.043018] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 2799.043059] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 2799.043101] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 2799.043142] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 2799.043185] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 2799.043232] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2799.043271] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 2799.043314] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2799.043360] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2799.043402] PKRU: 55555554 [ 2799.043416] Call Trace: [ 2799.043435] [ 2799.043461] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 2799.043497] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 2799.043530] ? notifier_call_chain (kernel/notifier.c:93) [ 2799.043565] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 2799.043599] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 2799.043632] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 2799.043666] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 2799.043699] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 2799.043726] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 2799.043754] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 2799.043782] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 2799.043816] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 2799.043849] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 2799.043883] [ 2799.043897] [ 2799.043911] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 2799.043946] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2799.043972] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 2799.044006] netdev_core_pick_tx (net/core/dev.c:4211) [ 2799.044040] __dev_queue_xmit (net/core/dev.c:4295) [ 2799.044066] ? eth_header (net/ethernet/eth.c:85) [ 2799.044096] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 2799.044123] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 2799.044156] mld_sendpack (net/ipv6/mcast.c:1822) [ 2799.044183] mld_ifc_work (net/ipv6/mcast.c:2652) [ 2799.044209] process_one_work (kernel/workqueue.c:3254) [ 2799.044235] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2799.044268] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 2799.044295] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2799.044328] kthread (kernel/kthread.c:388) [ 2799.044355] ? __pfx_kthread (kernel/kthread.c:341) [ 2799.044382] ret_from_fork (arch/x86/kernel/process.c:147) [ 2799.044409] ? __pfx_kthread (kernel/kthread.c:341) [ 2799.044435] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 2799.044463] | [ 2862.045387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 2862.045575] rcu: 0-....: (2858342 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=660536 | [ 2862.045631] rcu: (t=2856135 jiffies g=-135 q=537 ncpus=4) [ 2862.045712] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2862.045776] Workqueue: mld mld_ifc_work [ 2862.045812] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2862.045848] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 2862.045952] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 2862.045986] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 2862.046028] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 2862.046070] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 2862.046112] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 2862.046154] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 2862.046197] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 2862.046245] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2862.046285] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 2862.046327] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2862.046374] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2862.046415] PKRU: 55555554 [ 2862.046429] Call Trace: [ 2862.046445] [ 2862.046464] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 2862.046510] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 2862.046544] ? notifier_call_chain (kernel/notifier.c:93) [ 2862.046577] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 2862.046611] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 2862.046645] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 2862.046679] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 2862.046713] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 2862.046740] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 2862.046768] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 2862.046802] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 2862.046835] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 2862.046869] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 2862.046903] [ 2862.046917] [ 2862.046931] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 2862.046965] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2862.046991] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 2862.047024] netdev_core_pick_tx (net/core/dev.c:4211) [ 2862.047052] __dev_queue_xmit (net/core/dev.c:4295) [ 2862.047079] ? eth_header (net/ethernet/eth.c:85) [ 2862.047106] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 2862.047133] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 2862.047167] mld_sendpack (net/ipv6/mcast.c:1822) [ 2862.047194] mld_ifc_work (net/ipv6/mcast.c:2652) [ 2862.047220] process_one_work (kernel/workqueue.c:3254) [ 2862.047246] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2862.047280] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 2862.047307] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2862.047341] kthread (kernel/kthread.c:388) [ 2862.047368] ? __pfx_kthread (kernel/kthread.c:341) [ 2862.047394] ret_from_fork (arch/x86/kernel/process.c:147) [ 2862.047421] ? __pfx_kthread (kernel/kthread.c:341) [ 2862.047442] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 2862.047469] | [ 2925.048388] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 2925.048563] rcu: 0-....: (2921344 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=674231 | [ 2925.048617] rcu: (t=2919138 jiffies g=-135 q=537 ncpus=4) [ 2925.048692] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2925.048756] Workqueue: mld mld_ifc_work [ 2925.048788] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2925.048826] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 2925.048929] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 2925.048962] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 2925.049004] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 2925.049047] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 2925.049088] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 2925.049130] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 2925.049173] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 2925.049220] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2925.049260] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 2925.049302] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2925.049348] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2925.049391] PKRU: 55555554 [ 2925.049405] Call Trace: [ 2925.049421] [ 2925.049440] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 2925.049476] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 2925.049509] ? notifier_call_chain (kernel/notifier.c:93) [ 2925.049543] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 2925.049577] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 2925.049611] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 2925.049645] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 2925.049678] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 2925.049705] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 2925.049734] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 2925.049762] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 2925.049796] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 2925.049829] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 2925.049863] [ 2925.049877] [ 2925.049891] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 2925.049926] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2925.049952] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 2925.049986] netdev_core_pick_tx (net/core/dev.c:4211) [ 2925.050013] __dev_queue_xmit (net/core/dev.c:4295) [ 2925.050040] ? eth_header (net/ethernet/eth.c:85) [ 2925.050067] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 2925.050094] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 2925.050127] mld_sendpack (net/ipv6/mcast.c:1822) [ 2925.050154] mld_ifc_work (net/ipv6/mcast.c:2652) [ 2925.050180] process_one_work (kernel/workqueue.c:3254) [ 2925.050207] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2925.050240] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 2925.050266] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2925.050300] kthread (kernel/kthread.c:388) [ 2925.050326] ? __pfx_kthread (kernel/kthread.c:341) [ 2925.050353] ret_from_fork (arch/x86/kernel/process.c:147) [ 2925.050379] ? __pfx_kthread (kernel/kthread.c:341) [ 2925.050401] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 2925.050429] | [ 2988.051387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 2988.051591] rcu: 0-....: (2984346 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=688028 | [ 2988.051645] rcu: (t=2982141 jiffies g=-135 q=537 ncpus=4) [ 2988.051727] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 2988.051792] Workqueue: mld mld_ifc_work [ 2988.051830] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2988.051867] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 2988.051969] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 2988.052003] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 2988.052050] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 2988.052092] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 2988.052134] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 2988.052175] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 2988.052218] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 2988.052264] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 2988.052304] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 2988.052346] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 2988.052392] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 2988.052439] PKRU: 55555554 [ 2988.052453] Call Trace: [ 2988.052470] [ 2988.052492] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 2988.052530] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 2988.052563] ? notifier_call_chain (kernel/notifier.c:93) [ 2988.052596] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 2988.052629] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 2988.052663] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 2988.052696] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 2988.052729] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 2988.052756] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 2988.052789] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 2988.052823] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 2988.052857] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 2988.052890] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 2988.052923] [ 2988.052937] [ 2988.052951] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 2988.052984] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 2988.053010] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 2988.053043] netdev_core_pick_tx (net/core/dev.c:4211) [ 2988.053070] __dev_queue_xmit (net/core/dev.c:4295) [ 2988.053096] ? eth_header (net/ethernet/eth.c:85) [ 2988.053123] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 2988.053150] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 2988.053190] mld_sendpack (net/ipv6/mcast.c:1822) [ 2988.053217] mld_ifc_work (net/ipv6/mcast.c:2652) [ 2988.053244] process_one_work (kernel/workqueue.c:3254) [ 2988.053271] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2988.053305] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 2988.053331] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 2988.053365] kthread (kernel/kthread.c:388) [ 2988.053392] ? __pfx_kthread (kernel/kthread.c:341) [ 2988.053417] ret_from_fork (arch/x86/kernel/process.c:147) [ 2988.053444] ? __pfx_kthread (kernel/kthread.c:341) [ 2988.053470] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 2988.053498] | [ 3051.054387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 3051.054505] rcu: 0-....: (3047348 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=701451 | [ 3051.054561] rcu: (t=3045144 jiffies g=-135 q=537 ncpus=4) [ 3051.054634] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3051.054697] Workqueue: mld mld_ifc_work [ 3051.054729] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3051.054765] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 3051.054868] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 3051.054901] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 3051.054942] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 3051.054984] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 3051.055031] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 3051.055072] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 3051.055115] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 3051.055161] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3051.055200] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 3051.055243] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3051.055289] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3051.055330] PKRU: 55555554 [ 3051.055344] Call Trace: [ 3051.055360] [ 3051.055379] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 3051.055423] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 3051.055457] ? notifier_call_chain (kernel/notifier.c:93) [ 3051.055490] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 3051.055523] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 3051.055557] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 3051.055591] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 3051.055624] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 3051.055650] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 3051.055678] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 3051.055711] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 3051.055744] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 3051.055778] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 3051.055811] [ 3051.055824] [ 3051.055838] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 3051.055872] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3051.055898] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 3051.055931] netdev_core_pick_tx (net/core/dev.c:4211) [ 3051.055958] __dev_queue_xmit (net/core/dev.c:4295) [ 3051.055984] ? eth_header (net/ethernet/eth.c:85) [ 3051.056011] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 3051.056037] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 3051.056070] mld_sendpack (net/ipv6/mcast.c:1822) [ 3051.056097] mld_ifc_work (net/ipv6/mcast.c:2652) [ 3051.056123] process_one_work (kernel/workqueue.c:3254) [ 3051.056149] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3051.056182] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 3051.056209] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3051.056242] kthread (kernel/kthread.c:388) [ 3051.056269] ? __pfx_kthread (kernel/kthread.c:341) [ 3051.056296] ret_from_fork (arch/x86/kernel/process.c:147) [ 3051.056322] ? __pfx_kthread (kernel/kthread.c:341) [ 3051.056343] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3051.056370] | [ 3114.057387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 3114.057516] rcu: 0-....: (3110350 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=714825 | [ 3114.057573] rcu: (t=3108147 jiffies g=-135 q=537 ncpus=4) [ 3114.057647] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3114.057717] Workqueue: mld mld_ifc_work [ 3114.057748] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3114.057785] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 3114.057888] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 3114.057922] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 3114.057964] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 3114.058005] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 3114.058047] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 3114.058088] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 3114.058131] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 3114.058179] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3114.058218] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 3114.058261] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3114.058308] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3114.058350] PKRU: 55555554 [ 3114.058364] Call Trace: [ 3114.058380] [ 3114.058399] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 3114.058437] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 3114.058470] ? notifier_call_chain (kernel/notifier.c:93) [ 3114.058503] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 3114.058536] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 3114.058570] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 3114.058603] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 3114.058637] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 3114.058663] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 3114.058690] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 3114.058719] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 3114.058752] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 3114.058784] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 3114.058818] [ 3114.058832] [ 3114.058846] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 3114.058879] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3114.058905] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 3114.058939] netdev_core_pick_tx (net/core/dev.c:4211) [ 3114.058965] __dev_queue_xmit (net/core/dev.c:4295) [ 3114.058991] ? eth_header (net/ethernet/eth.c:85) [ 3114.059018] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 3114.059045] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 3114.059078] mld_sendpack (net/ipv6/mcast.c:1822) [ 3114.059105] mld_ifc_work (net/ipv6/mcast.c:2652) [ 3114.059131] process_one_work (kernel/workqueue.c:3254) [ 3114.059157] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3114.059190] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 3114.059217] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3114.059250] kthread (kernel/kthread.c:388) [ 3114.059277] ? __pfx_kthread (kernel/kthread.c:341) [ 3114.059303] ret_from_fork (arch/x86/kernel/process.c:147) [ 3114.059330] ? __pfx_kthread (kernel/kthread.c:341) [ 3114.059351] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3114.059379] | [ 3177.060387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 3177.060508] rcu: 0-....: (3173352 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=728205 | [ 3177.060563] rcu: (t=3171150 jiffies g=-135 q=537 ncpus=4) [ 3177.060636] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3177.060699] Workqueue: mld mld_ifc_work [ 3177.060732] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3177.060768] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 3177.060884] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 3177.060917] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 3177.060976] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 3177.061018] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 3177.061066] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 3177.061120] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 3177.061163] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 3177.061209] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3177.061248] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 3177.061290] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3177.061336] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3177.061377] PKRU: 55555554 [ 3177.061397] Call Trace: [ 3177.061417] [ 3177.061437] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 3177.061473] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 3177.061506] ? notifier_call_chain (kernel/notifier.c:93) [ 3177.061540] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 3177.061572] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 3177.061606] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 3177.061640] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 3177.061673] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 3177.061705] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 3177.061739] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 3177.061766] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 3177.061800] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 3177.061833] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 3177.061866] [ 3177.061879] [ 3177.061893] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 3177.061927] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3177.061964] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 3177.062000] netdev_core_pick_tx (net/core/dev.c:4211) [ 3177.062031] __dev_queue_xmit (net/core/dev.c:4295) [ 3177.062065] ? eth_header (net/ethernet/eth.c:85) [ 3177.062092] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 3177.062119] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 3177.062152] mld_sendpack (net/ipv6/mcast.c:1822) [ 3177.062178] mld_ifc_work (net/ipv6/mcast.c:2652) [ 3177.062205] process_one_work (kernel/workqueue.c:3254) [ 3177.062231] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3177.062264] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 3177.062291] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3177.062332] kthread (kernel/kthread.c:388) [ 3177.062361] ? __pfx_kthread (kernel/kthread.c:341) [ 3177.062392] ret_from_fork (arch/x86/kernel/process.c:147) [ 3177.062418] ? __pfx_kthread (kernel/kthread.c:341) [ 3177.062439] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3177.062467] | [ 3240.063387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 3240.063506] rcu: 0-....: (3236354 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=741597 | [ 3240.063564] rcu: (t=3234153 jiffies g=-135 q=537 ncpus=4) [ 3240.063642] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3240.063705] Workqueue: mld mld_ifc_work [ 3240.063738] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3240.063775] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 3240.063878] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 3240.063910] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 3240.063963] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 3240.064012] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 3240.064054] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 3240.064096] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 3240.064139] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 3240.064186] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3240.064225] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 3240.064267] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3240.064313] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3240.064355] PKRU: 55555554 [ 3240.064369] Call Trace: [ 3240.064384] [ 3240.064404] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 3240.064457] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 3240.064491] ? notifier_call_chain (kernel/notifier.c:93) [ 3240.064525] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 3240.064559] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 3240.064593] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 3240.064627] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 3240.064660] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 3240.064687] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 3240.064715] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 3240.064749] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 3240.064794] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 3240.064829] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 3240.064863] [ 3240.064877] [ 3240.064891] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 3240.064925] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3240.064962] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 3240.064994] netdev_core_pick_tx (net/core/dev.c:4211) [ 3240.065021] __dev_queue_xmit (net/core/dev.c:4295) [ 3240.065048] ? eth_header (net/ethernet/eth.c:85) [ 3240.065078] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 3240.065113] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 3240.065150] mld_sendpack (net/ipv6/mcast.c:1822) [ 3240.065177] mld_ifc_work (net/ipv6/mcast.c:2652) [ 3240.065204] process_one_work (kernel/workqueue.c:3254) [ 3240.065230] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3240.065264] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 3240.065291] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3240.065325] kthread (kernel/kthread.c:388) [ 3240.065352] ? __pfx_kthread (kernel/kthread.c:341) [ 3240.065388] ret_from_fork (arch/x86/kernel/process.c:147) [ 3240.065418] ? __pfx_kthread (kernel/kthread.c:341) [ 3240.065439] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3240.065467] | [ 3303.066395] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 3303.066580] rcu: 0-....: (3299356 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=755147 | [ 3303.066635] rcu: (t=3297156 jiffies g=-135 q=537 ncpus=4) [ 3303.066717] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3303.066787] Workqueue: mld mld_ifc_work [ 3303.066821] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3303.066859] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 3303.066962] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 3303.066995] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 3303.067037] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 3303.067079] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 3303.067121] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 3303.067163] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 3303.067206] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 3303.067254] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3303.067293] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 3303.067336] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3303.067382] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3303.067424] PKRU: 55555554 [ 3303.067438] Call Trace: [ 3303.067456] [ 3303.067480] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 3303.067517] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 3303.067550] ? notifier_call_chain (kernel/notifier.c:93) [ 3303.067584] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 3303.067619] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 3303.067653] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 3303.067686] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 3303.067720] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 3303.067747] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 3303.067775] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 3303.067802] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 3303.067836] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 3303.067869] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 3303.067903] [ 3303.067917] [ 3303.067931] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 3303.067966] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3303.067992] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 3303.068026] netdev_core_pick_tx (net/core/dev.c:4211) [ 3303.068054] __dev_queue_xmit (net/core/dev.c:4295) [ 3303.068080] ? eth_header (net/ethernet/eth.c:85) [ 3303.068106] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 3303.068133] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 3303.068167] mld_sendpack (net/ipv6/mcast.c:1822) [ 3303.068194] mld_ifc_work (net/ipv6/mcast.c:2652) [ 3303.068221] process_one_work (kernel/workqueue.c:3254) [ 3303.068247] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3303.068280] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 3303.068307] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3303.068341] kthread (kernel/kthread.c:388) [ 3303.068368] ? __pfx_kthread (kernel/kthread.c:341) [ 3303.068388] ret_from_fork (arch/x86/kernel/process.c:147) [ 3303.068415] ? __pfx_kthread (kernel/kthread.c:341) [ 3303.068436] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3303.068464] | [ 3366.069388] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 3366.069612] rcu: 0-....: (3362358 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=768949 | [ 3366.069669] rcu: (t=3360159 jiffies g=-135 q=537 ncpus=4) [ 3366.069750] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3366.069819] Workqueue: mld mld_ifc_work [ 3366.069854] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3366.069891] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 3366.069994] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 3366.070027] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 3366.070068] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 3366.070110] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 3366.070152] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 3366.070194] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 3366.070237] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 3366.070284] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3366.070323] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 3366.070365] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3366.070411] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3366.070453] PKRU: 55555554 [ 3366.070467] Call Trace: [ 3366.070482] [ 3366.070502] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 3366.070538] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 3366.070571] ? notifier_call_chain (kernel/notifier.c:93) [ 3366.070605] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 3366.070639] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 3366.070672] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 3366.070707] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 3366.070741] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 3366.070767] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 3366.070795] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 3366.070829] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 3366.070863] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 3366.070896] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 3366.070930] [ 3366.070944] [ 3366.070958] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 3366.070992] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3366.071019] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 3366.071053] netdev_core_pick_tx (net/core/dev.c:4211) [ 3366.071080] __dev_queue_xmit (net/core/dev.c:4295) [ 3366.071106] ? eth_header (net/ethernet/eth.c:85) [ 3366.071133] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 3366.071161] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 3366.071194] mld_sendpack (net/ipv6/mcast.c:1822) [ 3366.071221] mld_ifc_work (net/ipv6/mcast.c:2652) [ 3366.071248] process_one_work (kernel/workqueue.c:3254) [ 3366.071274] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3366.071307] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 3366.071334] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3366.071368] kthread (kernel/kthread.c:388) [ 3366.071395] ? __pfx_kthread (kernel/kthread.c:341) [ 3366.071417] ret_from_fork (arch/x86/kernel/process.c:147) [ 3366.071450] ? __pfx_kthread (kernel/kthread.c:341) [ 3366.071472] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3366.071501] | [ 3429.072387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 3429.072584] rcu: 0-....: (3425360 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=782537 | [ 3429.072640] rcu: (t=3423162 jiffies g=-135 q=537 ncpus=4) [ 3429.072714] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3429.072779] Workqueue: mld mld_ifc_work [ 3429.072813] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 3429.072850] 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 [ 3429.072953] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 3429.072987] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 3429.073029] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 3429.073070] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 3429.073112] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 3429.073154] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 3429.073197] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 3429.073244] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3429.073284] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 3429.073326] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3429.073373] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3429.073415] PKRU: 55555554 [ 3429.073429] Call Trace: [ 3429.073444] [ 3429.073465] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 3429.073502] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 3429.073535] ? notifier_call_chain (kernel/notifier.c:93) [ 3429.073569] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 3429.073603] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 3429.073636] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 3429.073671] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 3429.073704] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 3429.073731] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 3429.073759] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 3429.073787] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 3429.073820] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 3429.073854] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 3429.073887] [ 3429.073901] [ 3429.073915] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 3429.073949] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 3429.073975] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 3429.074009] netdev_core_pick_tx (net/core/dev.c:4211) [ 3429.074036] __dev_queue_xmit (net/core/dev.c:4295) [ 3429.074062] ? eth_header (net/ethernet/eth.c:85) [ 3429.074089] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 3429.074117] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 3429.074150] mld_sendpack (net/ipv6/mcast.c:1822) [ 3429.074178] mld_ifc_work (net/ipv6/mcast.c:2652) [ 3429.074204] process_one_work (kernel/workqueue.c:3254) [ 3429.074231] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3429.074264] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 3429.074292] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3429.074326] kthread (kernel/kthread.c:388) [ 3429.074353] ? __pfx_kthread (kernel/kthread.c:341) [ 3429.074379] ret_from_fork (arch/x86/kernel/process.c:147) [ 3429.074406] ? __pfx_kthread (kernel/kthread.c:341) [ 3429.074426] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3429.074454] | [ 3492.075387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 3492.075584] rcu: 0-....: (3488362 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=795960 | [ 3492.075639] rcu: (t=3486165 jiffies g=-135 q=537 ncpus=4) [ 3492.075719] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3492.075785] Workqueue: mld mld_ifc_work [ 3492.075824] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3492.075862] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 3492.075965] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 3492.075999] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 3492.076047] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 3492.076088] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 3492.076130] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 3492.076171] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 3492.076215] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 3492.076262] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3492.076301] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 3492.076344] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3492.076391] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3492.076432] PKRU: 55555554 [ 3492.076446] Call Trace: [ 3492.076463] [ 3492.076486] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 3492.076523] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 3492.076556] ? notifier_call_chain (kernel/notifier.c:93) [ 3492.076590] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 3492.076624] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 3492.076657] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 3492.076691] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 3492.076725] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 3492.076751] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 3492.076779] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 3492.076808] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 3492.076841] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 3492.076875] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 3492.076908] [ 3492.076922] [ 3492.076936] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 3492.076970] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3492.076997] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 3492.077030] netdev_core_pick_tx (net/core/dev.c:4211) [ 3492.077057] __dev_queue_xmit (net/core/dev.c:4295) [ 3492.077083] ? eth_header (net/ethernet/eth.c:85) [ 3492.077110] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 3492.077137] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 3492.077170] mld_sendpack (net/ipv6/mcast.c:1822) [ 3492.077197] mld_ifc_work (net/ipv6/mcast.c:2652) [ 3492.077224] process_one_work (kernel/workqueue.c:3254) [ 3492.077250] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3492.077283] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 3492.077310] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3492.077344] kthread (kernel/kthread.c:388) [ 3492.077370] ? __pfx_kthread (kernel/kthread.c:341) [ 3492.077397] ret_from_fork (arch/x86/kernel/process.c:147) [ 3492.077424] ? __pfx_kthread (kernel/kthread.c:341) [ 3492.077451] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3492.077478] | [ 3555.078388] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 3555.078568] rcu: 0-....: (3551364 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=809485 | [ 3555.078622] rcu: (t=3549168 jiffies g=-135 q=537 ncpus=4) [ 3555.078690] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3555.078754] Workqueue: mld mld_ifc_work [ 3555.078787] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3555.078823] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 3555.078927] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 3555.078961] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 3555.079008] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 3555.079050] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 3555.079092] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 3555.079134] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 3555.079178] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 3555.079225] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3555.079265] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 3555.079314] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3555.079361] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3555.079403] PKRU: 55555554 [ 3555.079417] Call Trace: [ 3555.079432] [ 3555.079452] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 3555.079489] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 3555.079523] ? notifier_call_chain (kernel/notifier.c:93) [ 3555.079558] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 3555.079591] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 3555.079626] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 3555.079660] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 3555.079694] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 3555.079720] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 3555.079754] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 3555.079787] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 3555.079821] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 3555.079855] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 3555.079889] [ 3555.079903] [ 3555.079917] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 3555.079951] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3555.079977] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 3555.080011] netdev_core_pick_tx (net/core/dev.c:4211) [ 3555.080039] __dev_queue_xmit (net/core/dev.c:4295) [ 3555.080065] ? eth_header (net/ethernet/eth.c:85) [ 3555.080092] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 3555.080119] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 3555.080153] mld_sendpack (net/ipv6/mcast.c:1822) [ 3555.080180] mld_ifc_work (net/ipv6/mcast.c:2652) [ 3555.080207] process_one_work (kernel/workqueue.c:3254) [ 3555.080233] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3555.080267] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 3555.080294] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3555.080327] kthread (kernel/kthread.c:388) [ 3555.080355] ? __pfx_kthread (kernel/kthread.c:341) [ 3555.080375] ret_from_fork (arch/x86/kernel/process.c:147) [ 3555.080402] ? __pfx_kthread (kernel/kthread.c:341) [ 3555.080429] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3555.080456] | [ 3618.081387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 3618.081576] rcu: 0-....: (3614366 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=822978 | [ 3618.081631] rcu: (t=3612171 jiffies g=-135 q=537 ncpus=4) [ 3618.081706] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3618.081775] Workqueue: mld mld_ifc_work [ 3618.081809] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3618.081852] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 3618.081954] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 3618.081988] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 3618.082030] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 3618.082072] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 3618.082114] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 3618.082156] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 3618.082199] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 3618.082245] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3618.082285] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 3618.082327] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3618.082373] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3618.082415] PKRU: 55555554 [ 3618.082429] Call Trace: [ 3618.082444] [ 3618.082463] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 3618.082499] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 3618.082532] ? notifier_call_chain (kernel/notifier.c:93) [ 3618.082566] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 3618.082599] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 3618.082633] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 3618.082666] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 3618.082700] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 3618.082726] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 3618.082754] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 3618.082788] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 3618.082821] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 3618.082854] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 3618.082888] [ 3618.082902] [ 3618.082916] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 3618.082950] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3618.082976] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 3618.083009] netdev_core_pick_tx (net/core/dev.c:4211) [ 3618.083037] __dev_queue_xmit (net/core/dev.c:4295) [ 3618.083063] ? eth_header (net/ethernet/eth.c:85) [ 3618.083089] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 3618.083116] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 3618.083149] mld_sendpack (net/ipv6/mcast.c:1822) [ 3618.083176] mld_ifc_work (net/ipv6/mcast.c:2652) [ 3618.083202] process_one_work (kernel/workqueue.c:3254) [ 3618.083229] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3618.083261] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 3618.083288] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3618.083321] kthread (kernel/kthread.c:388) [ 3618.083348] ? __pfx_kthread (kernel/kthread.c:341) [ 3618.083375] ret_from_fork (arch/x86/kernel/process.c:147) [ 3618.083401] ? __pfx_kthread (kernel/kthread.c:341) [ 3618.083422] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3618.083450] | [ 3681.084388] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 3681.084507] rcu: 0-....: (3677368 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=836371 | [ 3681.084571] rcu: (t=3675174 jiffies g=-135 q=537 ncpus=4) [ 3681.084645] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3681.084714] Workqueue: mld mld_ifc_work [ 3681.084747] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3681.084783] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 3681.084885] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 3681.084919] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 3681.084966] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 3681.085008] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 3681.085050] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 3681.085091] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 3681.085134] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 3681.085180] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3681.085219] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 3681.085261] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3681.085307] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3681.085348] PKRU: 55555554 [ 3681.085362] Call Trace: [ 3681.085377] [ 3681.085397] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 3681.085439] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 3681.085473] ? notifier_call_chain (kernel/notifier.c:93) [ 3681.085507] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 3681.085540] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 3681.085573] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 3681.085606] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 3681.085640] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 3681.085666] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 3681.085699] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 3681.085733] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 3681.085766] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 3681.085799] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 3681.085832] [ 3681.085846] [ 3681.085860] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 3681.085894] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3681.085920] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 3681.085953] netdev_core_pick_tx (net/core/dev.c:4211) [ 3681.085980] __dev_queue_xmit (net/core/dev.c:4295) [ 3681.086005] ? eth_header (net/ethernet/eth.c:85) [ 3681.086032] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 3681.086059] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 3681.086091] mld_sendpack (net/ipv6/mcast.c:1822) [ 3681.086118] mld_ifc_work (net/ipv6/mcast.c:2652) [ 3681.086144] process_one_work (kernel/workqueue.c:3254) [ 3681.086170] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3681.086203] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 3681.086230] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3681.086263] kthread (kernel/kthread.c:388) [ 3681.086289] ? __pfx_kthread (kernel/kthread.c:341) [ 3681.086316] ret_from_fork (arch/x86/kernel/process.c:147) [ 3681.086342] ? __pfx_kthread (kernel/kthread.c:341) [ 3681.086368] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3681.086395] | [ 3744.087387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 3744.087510] rcu: 0-....: (3740370 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=849714 | [ 3744.087568] rcu: (t=3738177 jiffies g=-135 q=537 ncpus=4) [ 3744.087642] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3744.087705] Workqueue: mld mld_ifc_work [ 3744.087738] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3744.087775] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 3744.087877] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 3744.087910] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 3744.087951] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 3744.087993] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 3744.088034] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 3744.088075] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 3744.088119] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 3744.088164] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3744.088203] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 3744.088246] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3744.088292] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3744.088333] PKRU: 55555554 [ 3744.088347] Call Trace: [ 3744.088362] [ 3744.088382] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 3744.088418] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 3744.088452] ? notifier_call_chain (kernel/notifier.c:93) [ 3744.088486] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 3744.088519] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 3744.088552] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 3744.088585] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 3744.088618] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 3744.088644] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 3744.088671] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 3744.088704] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 3744.088737] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 3744.088770] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 3744.088804] [ 3744.088818] [ 3744.088831] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 3744.088865] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3744.088891] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 3744.088924] netdev_core_pick_tx (net/core/dev.c:4211) [ 3744.088951] __dev_queue_xmit (net/core/dev.c:4295) [ 3744.088977] ? eth_header (net/ethernet/eth.c:85) [ 3744.089003] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 3744.089030] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 3744.089063] mld_sendpack (net/ipv6/mcast.c:1822) [ 3744.089089] mld_ifc_work (net/ipv6/mcast.c:2652) [ 3744.089116] process_one_work (kernel/workqueue.c:3254) [ 3744.089141] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3744.089174] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 3744.089200] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3744.089233] kthread (kernel/kthread.c:388) [ 3744.089260] ? __pfx_kthread (kernel/kthread.c:341) [ 3744.089287] ret_from_fork (arch/x86/kernel/process.c:147) [ 3744.089313] ? __pfx_kthread (kernel/kthread.c:341) [ 3744.089333] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3744.089360] | [ 3807.090400] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 3807.090528] rcu: 0-....: (3803373 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=863125 | [ 3807.090583] rcu: (t=3801180 jiffies g=-135 q=537 ncpus=4) [ 3807.090664] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3807.090733] Workqueue: mld mld_ifc_work [ 3807.090766] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3807.090805] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 3807.090906] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 3807.090939] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 3807.090986] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 3807.091027] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 3807.091068] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 3807.091110] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 3807.091153] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 3807.091199] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3807.091238] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 3807.091281] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3807.091326] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3807.091368] PKRU: 55555554 [ 3807.091382] Call Trace: [ 3807.091400] [ 3807.091425] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 3807.091462] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 3807.091495] ? notifier_call_chain (kernel/notifier.c:93) [ 3807.091528] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 3807.091562] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 3807.091595] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 3807.091628] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 3807.091661] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 3807.091688] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 3807.091721] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 3807.091755] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 3807.091788] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 3807.091821] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 3807.091855] [ 3807.091869] [ 3807.091882] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 3807.091916] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3807.091942] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 3807.091975] netdev_core_pick_tx (net/core/dev.c:4211) [ 3807.092002] __dev_queue_xmit (net/core/dev.c:4295) [ 3807.092027] ? eth_header (net/ethernet/eth.c:85) [ 3807.092054] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 3807.092081] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 3807.092114] mld_sendpack (net/ipv6/mcast.c:1822) [ 3807.092141] mld_ifc_work (net/ipv6/mcast.c:2652) [ 3807.092167] process_one_work (kernel/workqueue.c:3254) [ 3807.092193] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3807.092226] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 3807.092253] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3807.092286] kthread (kernel/kthread.c:388) [ 3807.092312] ? __pfx_kthread (kernel/kthread.c:341) [ 3807.092339] ret_from_fork (arch/x86/kernel/process.c:147) [ 3807.092365] ? __pfx_kthread (kernel/kthread.c:341) [ 3807.092386] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3807.092413] | [ 3870.093388] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 3870.093521] rcu: 0-....: (3866375 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=876757 | [ 3870.093575] rcu: (t=3864183 jiffies g=-135 q=537 ncpus=4) [ 3870.093653] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3870.093716] Workqueue: mld mld_ifc_work [ 3870.093752] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3870.093800] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 3870.093931] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 3870.093965] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 3870.094007] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 3870.094048] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 3870.094090] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 3870.094131] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 3870.094175] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 3870.094243] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3870.094283] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 3870.094326] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3870.094373] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3870.094414] PKRU: 55555554 [ 3870.094428] Call Trace: [ 3870.094443] [ 3870.094463] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 3870.094512] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 3870.094545] ? notifier_call_chain (kernel/notifier.c:93) [ 3870.094578] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 3870.094611] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 3870.094645] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 3870.094678] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 3870.094711] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 3870.094743] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 3870.094786] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 3870.094815] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 3870.094848] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 3870.094881] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 3870.094914] [ 3870.094928] [ 3870.094942] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 3870.094976] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3870.095001] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 3870.095038] netdev_core_pick_tx (net/core/dev.c:4211) [ 3870.095076] __dev_queue_xmit (net/core/dev.c:4295) [ 3870.095109] ? eth_header (net/ethernet/eth.c:85) [ 3870.095136] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 3870.095163] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 3870.095195] mld_sendpack (net/ipv6/mcast.c:1822) [ 3870.095222] mld_ifc_work (net/ipv6/mcast.c:2652) [ 3870.095248] process_one_work (kernel/workqueue.c:3254) [ 3870.095274] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3870.095307] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 3870.095333] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3870.095365] kthread (kernel/kthread.c:388) [ 3870.095391] ? __pfx_kthread (kernel/kthread.c:341) [ 3870.095418] ret_from_fork (arch/x86/kernel/process.c:147) [ 3870.095444] ? __pfx_kthread (kernel/kthread.c:341) [ 3870.095465] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3870.095492] | [ 3933.096387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 3933.096560] rcu: 0-....: (3929377 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=890195 | [ 3933.096623] rcu: (t=3927186 jiffies g=-135 q=537 ncpus=4) [ 3933.096704] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3933.096769] Workqueue: mld mld_ifc_work [ 3933.096808] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 3933.096845] 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 [ 3933.096949] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 3933.096982] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 3933.097029] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 3933.097071] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 3933.097114] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 3933.097155] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 3933.097199] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 3933.097246] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3933.097286] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 3933.097329] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3933.097375] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3933.097417] PKRU: 55555554 [ 3933.097430] Call Trace: [ 3933.097447] [ 3933.097469] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 3933.097506] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 3933.097540] ? notifier_call_chain (kernel/notifier.c:93) [ 3933.097573] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 3933.097606] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 3933.097640] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 3933.097674] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 3933.097708] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 3933.097734] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 3933.097762] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 3933.097796] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 3933.097830] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 3933.097863] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 3933.097897] [ 3933.097911] [ 3933.097925] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 3933.097960] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 3933.097985] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 3933.098019] netdev_core_pick_tx (net/core/dev.c:4211) [ 3933.098046] __dev_queue_xmit (net/core/dev.c:4295) [ 3933.098073] ? eth_header (net/ethernet/eth.c:85) [ 3933.098100] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 3933.098127] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 3933.098161] mld_sendpack (net/ipv6/mcast.c:1822) [ 3933.098188] mld_ifc_work (net/ipv6/mcast.c:2652) [ 3933.098214] process_one_work (kernel/workqueue.c:3254) [ 3933.098241] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3933.098274] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 3933.098301] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3933.098334] kthread (kernel/kthread.c:388) [ 3933.098361] ? __pfx_kthread (kernel/kthread.c:341) [ 3933.098387] ret_from_fork (arch/x86/kernel/process.c:147) [ 3933.098414] ? __pfx_kthread (kernel/kthread.c:341) [ 3933.098435] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3933.098463] | [ 3996.099387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 3996.099565] rcu: 0-....: (3992379 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=903636 | [ 3996.099620] rcu: (t=3990189 jiffies g=-135 q=537 ncpus=4) [ 3996.099694] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 3996.099763] Workqueue: mld mld_ifc_work [ 3996.099798] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3996.099836] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 3996.099939] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 3996.099972] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 3996.100014] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 3996.100056] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 3996.100098] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 3996.100140] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 3996.100184] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 3996.100231] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 3996.100270] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 3996.100313] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 3996.100359] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 3996.100401] PKRU: 55555554 [ 3996.100415] Call Trace: [ 3996.100430] [ 3996.100450] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 3996.100487] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 3996.100520] ? notifier_call_chain (kernel/notifier.c:93) [ 3996.100554] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 3996.100587] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 3996.100621] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 3996.100655] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 3996.100688] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 3996.100715] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 3996.100743] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 3996.100771] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 3996.100805] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 3996.100838] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 3996.100872] [ 3996.100886] [ 3996.100900] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 3996.100934] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 3996.100960] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 3996.100993] netdev_core_pick_tx (net/core/dev.c:4211) [ 3996.101020] __dev_queue_xmit (net/core/dev.c:4295) [ 3996.101046] ? eth_header (net/ethernet/eth.c:85) [ 3996.101073] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 3996.101100] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 3996.101134] mld_sendpack (net/ipv6/mcast.c:1822) [ 3996.101161] mld_ifc_work (net/ipv6/mcast.c:2652) [ 3996.101187] process_one_work (kernel/workqueue.c:3254) [ 3996.101214] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3996.101247] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 3996.101274] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 3996.101307] kthread (kernel/kthread.c:388) [ 3996.101334] ? __pfx_kthread (kernel/kthread.c:341) [ 3996.101360] ret_from_fork (arch/x86/kernel/process.c:147) [ 3996.101386] ? __pfx_kthread (kernel/kthread.c:341) [ 3996.101407] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 3996.101435] | [ 4059.102388] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 4059.102515] rcu: 0-....: (4055381 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=917286 | [ 4059.102570] rcu: (t=4053192 jiffies g=-135 q=537 ncpus=4) [ 4059.102643] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4059.102706] Workqueue: mld mld_ifc_work [ 4059.102740] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4059.102776] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 4059.102878] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 4059.102912] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 4059.102954] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 4059.102995] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 4059.103037] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 4059.103079] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 4059.103122] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 4059.103168] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4059.103208] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 4059.103251] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4059.103297] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4059.103339] PKRU: 55555554 [ 4059.103352] Call Trace: [ 4059.103368] [ 4059.103387] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 4059.103427] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 4059.103460] ? notifier_call_chain (kernel/notifier.c:93) [ 4059.103494] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 4059.103527] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 4059.103560] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 4059.103594] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 4059.103627] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 4059.103653] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 4059.103681] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 4059.103715] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 4059.103748] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 4059.103781] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 4059.103814] [ 4059.103828] [ 4059.103842] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 4059.103876] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4059.103902] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 4059.103935] netdev_core_pick_tx (net/core/dev.c:4211) [ 4059.103962] __dev_queue_xmit (net/core/dev.c:4295) [ 4059.103988] ? eth_header (net/ethernet/eth.c:85) [ 4059.104015] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 4059.104042] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 4059.104074] mld_sendpack (net/ipv6/mcast.c:1822) [ 4059.104101] mld_ifc_work (net/ipv6/mcast.c:2652) [ 4059.104128] process_one_work (kernel/workqueue.c:3254) [ 4059.104154] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4059.104187] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 4059.104214] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4059.104248] kthread (kernel/kthread.c:388) [ 4059.104274] ? __pfx_kthread (kernel/kthread.c:341) [ 4059.104295] ret_from_fork (arch/x86/kernel/process.c:147) [ 4059.104321] ? __pfx_kthread (kernel/kthread.c:341) [ 4059.104342] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 4059.104370] | [ 4122.105387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 4122.105498] rcu: 0-....: (4118383 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=930759 | [ 4122.105554] rcu: (t=4116195 jiffies g=-135 q=537 ncpus=4) [ 4122.105628] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4122.105697] Workqueue: mld mld_ifc_work [ 4122.105730] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4122.105767] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 4122.105870] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 4122.105903] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 4122.105945] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 4122.105987] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 4122.106028] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 4122.106070] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 4122.106113] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 4122.106160] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4122.106200] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 4122.106243] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4122.106288] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4122.106335] PKRU: 55555554 [ 4122.106349] Call Trace: [ 4122.106364] [ 4122.106383] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 4122.106419] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 4122.106453] ? notifier_call_chain (kernel/notifier.c:93) [ 4122.106486] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 4122.106519] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 4122.106552] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 4122.106586] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 4122.106619] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 4122.106645] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 4122.106673] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 4122.106701] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 4122.106734] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 4122.106767] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 4122.106800] [ 4122.106814] [ 4122.106828] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 4122.106862] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4122.106889] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 4122.106923] netdev_core_pick_tx (net/core/dev.c:4211) [ 4122.106950] __dev_queue_xmit (net/core/dev.c:4295) [ 4122.106977] ? eth_header (net/ethernet/eth.c:85) [ 4122.107004] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 4122.107031] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 4122.107065] mld_sendpack (net/ipv6/mcast.c:1822) [ 4122.107092] mld_ifc_work (net/ipv6/mcast.c:2652) [ 4122.107119] process_one_work (kernel/workqueue.c:3254) [ 4122.107145] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4122.107178] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 4122.107206] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4122.107239] kthread (kernel/kthread.c:388) [ 4122.107265] ? __pfx_kthread (kernel/kthread.c:341) [ 4122.107292] ret_from_fork (arch/x86/kernel/process.c:147) [ 4122.107318] ? __pfx_kthread (kernel/kthread.c:341) [ 4122.107344] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 4122.107372] | [ 4185.108387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 4185.108506] rcu: 0-....: (4181385 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=944202 | [ 4185.108564] rcu: (t=4179198 jiffies g=-135 q=537 ncpus=4) [ 4185.108638] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4185.108702] Workqueue: mld mld_ifc_work [ 4185.108734] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4185.108772] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 4185.108874] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 4185.108908] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 4185.108950] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 4185.108991] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 4185.109033] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 4185.109074] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 4185.109117] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 4185.109164] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4185.109203] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 4185.109246] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4185.109291] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4185.109332] PKRU: 55555554 [ 4185.109350] Call Trace: [ 4185.109365] [ 4185.109385] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 4185.109420] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 4185.109454] ? notifier_call_chain (kernel/notifier.c:93) [ 4185.109488] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 4185.109521] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 4185.109554] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 4185.109588] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 4185.109621] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 4185.109648] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 4185.109676] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 4185.109705] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 4185.109738] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 4185.109771] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 4185.109805] [ 4185.109819] [ 4185.109832] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 4185.109866] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4185.109892] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 4185.109926] netdev_core_pick_tx (net/core/dev.c:4211) [ 4185.109953] __dev_queue_xmit (net/core/dev.c:4295) [ 4185.109979] ? eth_header (net/ethernet/eth.c:85) [ 4185.110006] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 4185.110032] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 4185.110066] mld_sendpack (net/ipv6/mcast.c:1822) [ 4185.110093] mld_ifc_work (net/ipv6/mcast.c:2652) [ 4185.110120] process_one_work (kernel/workqueue.c:3254) [ 4185.110147] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4185.110179] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 4185.110206] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4185.110240] kthread (kernel/kthread.c:388) [ 4185.110266] ? __pfx_kthread (kernel/kthread.c:341) [ 4185.110287] ret_from_fork (arch/x86/kernel/process.c:147) [ 4185.110314] ? __pfx_kthread (kernel/kthread.c:341) [ 4185.110335] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 4185.110362] | [ 4248.111399] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 4248.111581] rcu: 0-....: (4244388 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=957733 | [ 4248.111650] rcu: (t=4242201 jiffies g=-135 q=537 ncpus=4) [ 4248.111726] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4248.111789] Workqueue: mld mld_ifc_work [ 4248.111825] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4248.111866] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 4248.111968] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 4248.112001] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 4248.112043] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 4248.112084] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 4248.112126] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 4248.112168] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 4248.112211] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 4248.112258] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4248.112297] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 4248.112340] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4248.112386] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4248.112428] PKRU: 55555554 [ 4248.112442] Call Trace: [ 4248.112460] [ 4248.112486] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 4248.112523] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 4248.112556] ? notifier_call_chain (kernel/notifier.c:93) [ 4248.112590] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 4248.112624] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 4248.112658] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 4248.112691] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 4248.112725] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 4248.112751] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 4248.112780] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 4248.112814] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 4248.112848] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 4248.112881] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 4248.112914] [ 4248.112928] [ 4248.112942] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 4248.112977] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4248.113003] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 4248.113036] netdev_core_pick_tx (net/core/dev.c:4211) [ 4248.113063] __dev_queue_xmit (net/core/dev.c:4295) [ 4248.113089] ? eth_header (net/ethernet/eth.c:85) [ 4248.113116] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 4248.113144] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 4248.113177] mld_sendpack (net/ipv6/mcast.c:1822) [ 4248.113203] mld_ifc_work (net/ipv6/mcast.c:2652) [ 4248.113230] process_one_work (kernel/workqueue.c:3254) [ 4248.113256] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4248.113290] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 4248.113316] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4248.113349] kthread (kernel/kthread.c:388) [ 4248.113387] ? __pfx_kthread (kernel/kthread.c:341) [ 4248.113412] ret_from_fork (arch/x86/kernel/process.c:147) [ 4248.113438] ? __pfx_kthread (kernel/kthread.c:341) [ 4248.113459] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 4248.113486] | [ 4311.114387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 4311.114585] rcu: 0-....: (4307390 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=971782 | [ 4311.114642] rcu: (t=4305204 jiffies g=-135 q=537 ncpus=4) [ 4311.114722] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4311.114786] Workqueue: mld mld_ifc_work [ 4311.114821] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4311.114858] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 4311.114959] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 4311.114993] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 4311.115035] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 4311.115076] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 4311.115118] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 4311.115160] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 4311.115204] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 4311.115250] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4311.115289] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 4311.115332] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4311.115378] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4311.115421] PKRU: 55555554 [ 4311.115434] Call Trace: [ 4311.115450] [ 4311.115470] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 4311.115507] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 4311.115540] ? notifier_call_chain (kernel/notifier.c:93) [ 4311.115574] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 4311.115607] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 4311.115635] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 4311.115669] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 4311.115703] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 4311.115729] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 4311.115757] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 4311.115785] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 4311.115818] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 4311.115851] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 4311.115884] [ 4311.115898] [ 4311.115912] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 4311.115946] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4311.115972] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 4311.116006] netdev_core_pick_tx (net/core/dev.c:4211) [ 4311.116033] __dev_queue_xmit (net/core/dev.c:4295) [ 4311.116059] ? eth_header (net/ethernet/eth.c:85) [ 4311.116085] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 4311.116112] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 4311.116146] mld_sendpack (net/ipv6/mcast.c:1822) [ 4311.116173] mld_ifc_work (net/ipv6/mcast.c:2652) [ 4311.116199] process_one_work (kernel/workqueue.c:3254) [ 4311.116225] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4311.116258] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 4311.116285] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4311.116318] kthread (kernel/kthread.c:388) [ 4311.116346] ? __pfx_kthread (kernel/kthread.c:341) [ 4311.116372] ret_from_fork (arch/x86/kernel/process.c:147) [ 4311.116399] ? __pfx_kthread (kernel/kthread.c:341) [ 4311.116420] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 4311.116447] | [ 4374.117387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 4374.117515] rcu: 0-....: (4370392 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=985912 | [ 4374.117571] rcu: (t=4368207 jiffies g=-135 q=537 ncpus=4) [ 4374.117653] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4374.117718] Workqueue: mld mld_ifc_work [ 4374.117751] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4374.117788] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 4374.117891] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 4374.117925] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 4374.117967] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 4374.118010] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 4374.118052] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 4374.118104] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 4374.118146] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 4374.118192] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4374.118230] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 4374.118272] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4374.118318] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4374.118359] PKRU: 55555554 [ 4374.118372] Call Trace: [ 4374.118387] [ 4374.118406] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 4374.118442] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 4374.118475] ? notifier_call_chain (kernel/notifier.c:93) [ 4374.118508] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 4374.118541] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 4374.118574] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 4374.118607] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 4374.118640] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 4374.118666] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 4374.118699] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 4374.118732] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 4374.118759] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 4374.118792] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 4374.118825] [ 4374.118838] [ 4374.118852] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 4374.118886] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4374.118911] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 4374.118944] netdev_core_pick_tx (net/core/dev.c:4211) [ 4374.118971] __dev_queue_xmit (net/core/dev.c:4295) [ 4374.118996] ? eth_header (net/ethernet/eth.c:85) [ 4374.119023] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 4374.119049] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 4374.119082] mld_sendpack (net/ipv6/mcast.c:1822) [ 4374.119108] mld_ifc_work (net/ipv6/mcast.c:2652) [ 4374.119135] process_one_work (kernel/workqueue.c:3254) [ 4374.119161] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4374.119194] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 4374.119220] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4374.119270] kthread (kernel/kthread.c:388) [ 4374.119297] ? __pfx_kthread (kernel/kthread.c:341) [ 4374.119319] ret_from_fork (arch/x86/kernel/process.c:147) [ 4374.119346] ? __pfx_kthread (kernel/kthread.c:341) [ 4374.119372] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 4374.119399] | [ 4437.120387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 4437.120576] rcu: 0-....: (4433394 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=999925 | [ 4437.120632] rcu: (t=4431210 jiffies g=-135 q=537 ncpus=4) [ 4437.120713] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4437.120779] Workqueue: mld mld_ifc_work [ 4437.120815] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4437.120852] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 4437.120954] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 4437.120988] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 4437.121031] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 4437.121072] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 4437.121114] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 4437.121155] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 4437.121198] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 4437.121245] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4437.121284] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 4437.121327] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4437.121373] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4437.121415] PKRU: 55555554 [ 4437.121429] Call Trace: [ 4437.121446] [ 4437.121468] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 4437.121504] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 4437.121537] ? notifier_call_chain (kernel/notifier.c:93) [ 4437.121571] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 4437.121604] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 4437.121637] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 4437.121671] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 4437.121705] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 4437.121732] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 4437.121760] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 4437.121793] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 4437.121827] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 4437.121861] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 4437.121894] [ 4437.121908] [ 4437.121922] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 4437.121956] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4437.121982] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 4437.122016] netdev_core_pick_tx (net/core/dev.c:4211) [ 4437.122043] __dev_queue_xmit (net/core/dev.c:4295) [ 4437.122069] ? eth_header (net/ethernet/eth.c:85) [ 4437.122096] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 4437.122123] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 4437.122156] mld_sendpack (net/ipv6/mcast.c:1822) [ 4437.122184] mld_ifc_work (net/ipv6/mcast.c:2652) [ 4437.122210] process_one_work (kernel/workqueue.c:3254) [ 4437.122237] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4437.122270] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 4437.122297] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4437.122330] kthread (kernel/kthread.c:388) [ 4437.122357] ? __pfx_kthread (kernel/kthread.c:341) [ 4437.122383] ret_from_fork (arch/x86/kernel/process.c:147) [ 4437.122410] ? __pfx_kthread (kernel/kthread.c:341) [ 4437.122431] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 4437.122458] | [ 4500.123398] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 4500.123599] rcu: 0-....: (4496396 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1013551 | [ 4500.123664] rcu: (t=4494213 jiffies g=-135 q=537 ncpus=4) [ 4500.123739] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4500.123804] Workqueue: mld mld_ifc_work [ 4500.123837] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4500.123873] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 4500.123976] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 4500.124010] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 4500.124057] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 4500.124099] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 4500.124141] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 4500.124183] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 4500.124227] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 4500.124274] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4500.124313] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 4500.124356] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4500.124404] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4500.124446] PKRU: 55555554 [ 4500.124460] Call Trace: [ 4500.124474] [ 4500.124494] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 4500.124526] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 4500.124560] ? notifier_call_chain (kernel/notifier.c:93) [ 4500.124595] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 4500.124628] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 4500.124662] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 4500.124696] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 4500.124730] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 4500.124756] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 4500.124790] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 4500.124823] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 4500.124857] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 4500.124890] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 4500.124924] [ 4500.124939] [ 4500.124952] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 4500.124987] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4500.125013] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 4500.125046] netdev_core_pick_tx (net/core/dev.c:4211) [ 4500.125074] __dev_queue_xmit (net/core/dev.c:4295) [ 4500.125101] ? eth_header (net/ethernet/eth.c:85) [ 4500.125128] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 4500.125155] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 4500.125188] mld_sendpack (net/ipv6/mcast.c:1822) [ 4500.125215] mld_ifc_work (net/ipv6/mcast.c:2652) [ 4500.125241] process_one_work (kernel/workqueue.c:3254) [ 4500.125268] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4500.125301] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 4500.125328] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4500.125361] kthread (kernel/kthread.c:388) [ 4500.125388] ? __pfx_kthread (kernel/kthread.c:341) [ 4500.125415] ret_from_fork (arch/x86/kernel/process.c:147) [ 4500.125442] ? __pfx_kthread (kernel/kthread.c:341) [ 4500.125463] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 4500.125490] | [ 4563.126387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 4563.126525] rcu: 0-....: (4559398 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1027143 | [ 4563.126587] rcu: (t=4557216 jiffies g=-135 q=537 ncpus=4) [ 4563.126661] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4563.126728] Workqueue: mld mld_ifc_work [ 4563.126765] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4563.126801] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 4563.126902] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 4563.126934] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 4563.126981] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 4563.127028] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 4563.127074] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 4563.127115] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 4563.127158] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 4563.127203] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4563.127242] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 4563.127283] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4563.127329] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4563.127370] PKRU: 55555554 [ 4563.127384] Call Trace: [ 4563.127398] [ 4563.127418] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 4563.127454] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 4563.127488] ? notifier_call_chain (kernel/notifier.c:93) [ 4563.127521] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 4563.127554] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 4563.127586] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 4563.127620] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 4563.127653] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 4563.127679] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 4563.127706] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 4563.127739] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 4563.127772] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 4563.127805] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 4563.127839] [ 4563.127852] [ 4563.127866] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 4563.127900] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4563.127926] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 4563.127959] netdev_core_pick_tx (net/core/dev.c:4211) [ 4563.127985] __dev_queue_xmit (net/core/dev.c:4295) [ 4563.128011] ? eth_header (net/ethernet/eth.c:85) [ 4563.128041] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 4563.128067] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 4563.128100] mld_sendpack (net/ipv6/mcast.c:1822) [ 4563.128127] mld_ifc_work (net/ipv6/mcast.c:2652) [ 4563.128153] process_one_work (kernel/workqueue.c:3254) [ 4563.128180] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4563.128212] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 4563.128239] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4563.128271] kthread (kernel/kthread.c:388) [ 4563.128298] ? __pfx_kthread (kernel/kthread.c:341) [ 4563.128324] ret_from_fork (arch/x86/kernel/process.c:147) [ 4563.128350] ? __pfx_kthread (kernel/kthread.c:341) [ 4563.128375] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 4563.128403] | [ 4626.129387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 4626.129581] rcu: 0-....: (4622400 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1040744 | [ 4626.129644] rcu: (t=4620219 jiffies g=-135 q=537 ncpus=4) [ 4626.129718] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4626.129787] Workqueue: mld mld_ifc_work [ 4626.129821] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4626.129857] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 4626.129960] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 4626.129993] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 4626.130035] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 4626.130076] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 4626.130118] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 4626.130159] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 4626.130202] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 4626.130249] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4626.130288] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 4626.130330] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4626.130377] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4626.130418] PKRU: 55555554 [ 4626.130432] Call Trace: [ 4626.130447] [ 4626.130468] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 4626.130503] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 4626.130536] ? notifier_call_chain (kernel/notifier.c:93) [ 4626.130569] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 4626.130602] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 4626.130636] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 4626.130669] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 4626.130703] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 4626.130729] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 4626.130757] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 4626.130786] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 4626.130819] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 4626.130852] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 4626.130886] [ 4626.130900] [ 4626.130914] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 4626.130948] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4626.130975] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 4626.131008] netdev_core_pick_tx (net/core/dev.c:4211) [ 4626.131039] __dev_queue_xmit (net/core/dev.c:4295) [ 4626.131066] ? eth_header (net/ethernet/eth.c:85) [ 4626.131093] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 4626.131120] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 4626.131155] mld_sendpack (net/ipv6/mcast.c:1822) [ 4626.131181] mld_ifc_work (net/ipv6/mcast.c:2652) [ 4626.131208] process_one_work (kernel/workqueue.c:3254) [ 4626.131234] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4626.131267] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 4626.131293] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4626.131326] kthread (kernel/kthread.c:388) [ 4626.131353] ? __pfx_kthread (kernel/kthread.c:341) [ 4626.131379] ret_from_fork (arch/x86/kernel/process.c:147) [ 4626.131406] ? __pfx_kthread (kernel/kthread.c:341) [ 4626.131427] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 4626.131454] | [ 4689.132387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 4689.132579] rcu: 0-....: (4685402 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1054615 | [ 4689.132646] rcu: (t=4683222 jiffies g=-135 q=537 ncpus=4) [ 4689.132719] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4689.132788] Workqueue: mld mld_ifc_work [ 4689.132821] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4689.132858] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 4689.132960] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 4689.132993] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 4689.133035] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 4689.133077] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 4689.133119] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 4689.133160] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 4689.133204] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 4689.133251] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4689.133291] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 4689.133334] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4689.133381] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4689.133421] PKRU: 55555554 [ 4689.133435] Call Trace: [ 4689.133451] [ 4689.133470] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 4689.133507] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 4689.133540] ? notifier_call_chain (kernel/notifier.c:93) [ 4689.133573] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 4689.133607] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 4689.133641] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 4689.133674] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 4689.133707] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 4689.133734] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 4689.133761] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 4689.133795] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 4689.133828] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 4689.133861] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 4689.133895] [ 4689.133909] [ 4689.133923] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 4689.133956] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4689.133981] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 4689.134014] netdev_core_pick_tx (net/core/dev.c:4211) [ 4689.134041] __dev_queue_xmit (net/core/dev.c:4295) [ 4689.134068] ? eth_header (net/ethernet/eth.c:85) [ 4689.134094] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 4689.134121] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 4689.134154] mld_sendpack (net/ipv6/mcast.c:1822) [ 4689.134181] mld_ifc_work (net/ipv6/mcast.c:2652) [ 4689.134208] process_one_work (kernel/workqueue.c:3254) [ 4689.134234] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4689.134267] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 4689.134293] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4689.134326] kthread (kernel/kthread.c:388) [ 4689.134353] ? __pfx_kthread (kernel/kthread.c:341) [ 4689.134374] ret_from_fork (arch/x86/kernel/process.c:147) [ 4689.134401] ? __pfx_kthread (kernel/kthread.c:341) [ 4689.134427] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 4689.134454] | [ 4752.135395] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 4752.135576] rcu: 0-....: (4748404 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1068232 | [ 4752.135638] rcu: (t=4746225 jiffies g=-135 q=537 ncpus=4) [ 4752.135717] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4752.135785] Workqueue: mld mld_ifc_work [ 4752.135819] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4752.135856] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 4752.135957] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 4752.135990] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 4752.136032] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 4752.136073] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 4752.136115] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 4752.136157] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 4752.136200] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 4752.136247] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4752.136287] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 4752.136329] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4752.136376] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4752.136417] PKRU: 55555554 [ 4752.136431] Call Trace: [ 4752.136449] [ 4752.136474] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 4752.136511] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 4752.136544] ? notifier_call_chain (kernel/notifier.c:93) [ 4752.136577] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 4752.136611] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 4752.136645] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 4752.136678] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 4752.136712] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 4752.136738] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 4752.136766] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 4752.136794] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 4752.136828] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 4752.136861] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 4752.136895] [ 4752.136909] [ 4752.136923] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 4752.136957] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4752.136983] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 4752.137017] netdev_core_pick_tx (net/core/dev.c:4211) [ 4752.137043] __dev_queue_xmit (net/core/dev.c:4295) [ 4752.137070] ? eth_header (net/ethernet/eth.c:85) [ 4752.137097] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 4752.137123] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 4752.137156] mld_sendpack (net/ipv6/mcast.c:1822) [ 4752.137184] mld_ifc_work (net/ipv6/mcast.c:2652) [ 4752.137210] process_one_work (kernel/workqueue.c:3254) [ 4752.137236] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4752.137269] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 4752.137296] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4752.137329] kthread (kernel/kthread.c:388) [ 4752.137356] ? __pfx_kthread (kernel/kthread.c:341) [ 4752.137382] ret_from_fork (arch/x86/kernel/process.c:147) [ 4752.137409] ? __pfx_kthread (kernel/kthread.c:341) [ 4752.137430] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 4752.137457] | [ 4815.138389] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 4815.138573] rcu: 0-....: (4811406 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1082307 | [ 4815.138636] rcu: (t=4809228 jiffies g=-135 q=537 ncpus=4) [ 4815.138717] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4815.138787] Workqueue: mld mld_ifc_work [ 4815.138821] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4815.138857] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 4815.138960] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 4815.138993] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 4815.139041] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 4815.139082] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 4815.139124] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 4815.139166] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 4815.139209] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 4815.139256] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4815.139295] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 4815.139337] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4815.139383] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4815.139424] PKRU: 55555554 [ 4815.139438] Call Trace: [ 4815.139453] [ 4815.139473] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 4815.139511] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 4815.139543] ? notifier_call_chain (kernel/notifier.c:93) [ 4815.139577] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 4815.139610] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 4815.139643] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 4815.139676] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 4815.139710] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 4815.139736] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 4815.139769] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 4815.139803] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 4815.139836] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 4815.139869] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 4815.139902] [ 4815.139916] [ 4815.139930] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 4815.139964] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4815.139990] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 4815.140024] netdev_core_pick_tx (net/core/dev.c:4211) [ 4815.140051] __dev_queue_xmit (net/core/dev.c:4295) [ 4815.140077] ? eth_header (net/ethernet/eth.c:85) [ 4815.140104] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 4815.140130] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 4815.140163] mld_sendpack (net/ipv6/mcast.c:1822) [ 4815.140191] mld_ifc_work (net/ipv6/mcast.c:2652) [ 4815.140217] process_one_work (kernel/workqueue.c:3254) [ 4815.140243] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4815.140277] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 4815.140303] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4815.140336] kthread (kernel/kthread.c:388) [ 4815.140363] ? __pfx_kthread (kernel/kthread.c:341) [ 4815.140384] ret_from_fork (arch/x86/kernel/process.c:147) [ 4815.140410] ? __pfx_kthread (kernel/kthread.c:341) [ 4815.140436] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 4815.140463] | [ 4878.141387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 4878.141559] rcu: 0-....: (4874408 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1095726 | [ 4878.141621] rcu: (t=4872231 jiffies g=-135 q=537 ncpus=4) [ 4878.141695] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4878.141764] Workqueue: mld mld_ifc_work [ 4878.141798] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4878.141836] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 4878.141939] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 4878.141973] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 4878.142014] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 4878.142056] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 4878.142098] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 4878.142139] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 4878.142182] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 4878.142229] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4878.142269] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 4878.142312] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4878.142358] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4878.142400] PKRU: 55555554 [ 4878.142414] Call Trace: [ 4878.142429] [ 4878.142448] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 4878.142485] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 4878.142519] ? notifier_call_chain (kernel/notifier.c:93) [ 4878.142552] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 4878.142585] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 4878.142618] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 4878.142652] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 4878.142685] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 4878.142712] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 4878.142739] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 4878.142773] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 4878.142806] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 4878.142839] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 4878.142872] [ 4878.142886] [ 4878.142900] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 4878.142934] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4878.142960] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 4878.142994] netdev_core_pick_tx (net/core/dev.c:4211) [ 4878.143021] __dev_queue_xmit (net/core/dev.c:4295) [ 4878.143046] ? eth_header (net/ethernet/eth.c:85) [ 4878.143073] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 4878.143100] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 4878.143134] mld_sendpack (net/ipv6/mcast.c:1822) [ 4878.143161] mld_ifc_work (net/ipv6/mcast.c:2652) [ 4878.143187] process_one_work (kernel/workqueue.c:3254) [ 4878.143214] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4878.143246] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 4878.143273] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4878.143307] kthread (kernel/kthread.c:388) [ 4878.143333] ? __pfx_kthread (kernel/kthread.c:341) [ 4878.143355] ret_from_fork (arch/x86/kernel/process.c:147) [ 4878.143381] ? __pfx_kthread (kernel/kthread.c:341) [ 4878.143402] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 4878.143429] | [ 4941.144386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 4941.144666] rcu: 0-....: (4937410 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1109540 | [ 4941.144897] rcu: (t=4935234 jiffies g=-135 q=537 ncpus=4) [ 4941.145121] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 4941.145196] Workqueue: mld mld_ifc_work [ 4941.145242] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4941.145284] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 4941.145402] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 4941.145453] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 4941.145503] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 4941.145563] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 4941.145612] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 4941.145662] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 4941.145714] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 4941.145763] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 4941.145804] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 4941.145855] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 4941.145903] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 4941.145954] PKRU: 55555554 [ 4941.145974] Call Trace: [ 4941.145992] [ 4941.146025] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 4941.146094] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 4941.146130] ? notifier_call_chain (kernel/notifier.c:93) [ 4941.146165] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 4941.146205] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 4941.146241] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 4941.146276] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 4941.146316] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 4941.146344] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 4941.146379] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 4941.146415] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 4941.146467] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 4941.146508] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 4941.146548] [ 4941.146563] [ 4941.146585] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 4941.146622] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 4941.146651] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 4941.146687] netdev_core_pick_tx (net/core/dev.c:4211) [ 4941.146717] __dev_queue_xmit (net/core/dev.c:4295) [ 4941.146745] ? eth_header (net/ethernet/eth.c:85) [ 4941.146778] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 4941.146812] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 4941.146849] mld_sendpack (net/ipv6/mcast.c:1822) [ 4941.146878] mld_ifc_work (net/ipv6/mcast.c:2652) [ 4941.146907] process_one_work (kernel/workqueue.c:3254) [ 4941.146950] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4941.146985] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 4941.147013] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 4941.147058] kthread (kernel/kthread.c:388) [ 4941.147085] ? __pfx_kthread (kernel/kthread.c:341) [ 4941.147111] ret_from_fork (arch/x86/kernel/process.c:147) [ 4941.147143] ? __pfx_kthread (kernel/kthread.c:341) [ 4941.147170] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 4941.147202] | [ 5004.147387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 5004.147633] rcu: 0-....: (5000412 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1123787 | [ 5004.147696] rcu: (t=4998237 jiffies g=-135 q=537 ncpus=4) [ 5004.147770] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5004.147838] Workqueue: mld mld_ifc_work [ 5004.147871] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5004.147911] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 5004.148014] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 5004.148047] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 5004.148089] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 5004.148130] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 5004.148172] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 5004.148214] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 5004.148257] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 5004.148305] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5004.148344] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 5004.148386] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5004.148433] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5004.148475] PKRU: 55555554 [ 5004.148489] Call Trace: [ 5004.148505] [ 5004.148524] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 5004.148561] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 5004.148594] ? notifier_call_chain (kernel/notifier.c:93) [ 5004.148628] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 5004.148669] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 5004.148703] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 5004.148737] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 5004.148774] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 5004.148801] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 5004.148828] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 5004.148863] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5004.148896] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5004.148929] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5004.148963] [ 5004.148977] [ 5004.148991] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5004.149025] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5004.149052] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 5004.149085] netdev_core_pick_tx (net/core/dev.c:4211) [ 5004.149113] __dev_queue_xmit (net/core/dev.c:4295) [ 5004.149140] ? eth_header (net/ethernet/eth.c:85) [ 5004.149166] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5004.149193] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5004.149227] mld_sendpack (net/ipv6/mcast.c:1822) [ 5004.149254] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5004.149280] process_one_work (kernel/workqueue.c:3254) [ 5004.149306] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5004.149339] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5004.149366] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5004.149400] kthread (kernel/kthread.c:388) [ 5004.149426] ? __pfx_kthread (kernel/kthread.c:341) [ 5004.149453] ret_from_fork (arch/x86/kernel/process.c:147) [ 5004.149480] ? __pfx_kthread (kernel/kthread.c:341) [ 5004.149506] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5004.149534] | [ 5067.150387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 5067.150576] rcu: 0-....: (5063414 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1137367 | [ 5067.150638] rcu: (t=5061240 jiffies g=-135 q=537 ncpus=4) [ 5067.150713] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5067.150782] Workqueue: mld mld_ifc_work [ 5067.150815] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 5067.150852] 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 [ 5067.150955] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 5067.150993] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 5067.151044] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 5067.151086] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 5067.151127] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 5067.151168] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 5067.151211] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 5067.151259] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5067.151298] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 5067.151341] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5067.151386] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5067.151429] PKRU: 55555554 [ 5067.151442] Call Trace: [ 5067.151458] [ 5067.151477] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 5067.151511] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 5067.151544] ? notifier_call_chain (kernel/notifier.c:93) [ 5067.151577] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 5067.151610] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 5067.151644] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 5067.151677] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 5067.151711] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 5067.151738] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 5067.151765] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 5067.151800] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5067.151833] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5067.151867] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5067.151900] [ 5067.151914] [ 5067.151928] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5067.151962] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 5067.151988] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 5067.152021] netdev_core_pick_tx (net/core/dev.c:4211) [ 5067.152048] __dev_queue_xmit (net/core/dev.c:4295) [ 5067.152075] ? eth_header (net/ethernet/eth.c:85) [ 5067.152102] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5067.152129] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5067.152163] mld_sendpack (net/ipv6/mcast.c:1822) [ 5067.152190] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5067.152216] process_one_work (kernel/workqueue.c:3254) [ 5067.152243] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5067.152276] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5067.152303] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5067.152336] kthread (kernel/kthread.c:388) [ 5067.152362] ? __pfx_kthread (kernel/kthread.c:341) [ 5067.152388] ret_from_fork (arch/x86/kernel/process.c:147) [ 5067.152415] ? __pfx_kthread (kernel/kthread.c:341) [ 5067.152441] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5067.152469] | [ 5130.153387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 5130.153534] rcu: 0-....: (5126416 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1151533 | [ 5130.153603] rcu: (t=5124243 jiffies g=-135 q=537 ncpus=4) [ 5130.153677] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5130.153746] Workqueue: mld mld_ifc_work [ 5130.153778] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 5130.153815] 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 [ 5130.153918] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 5130.153952] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 5130.153994] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 5130.154035] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 5130.154077] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 5130.154119] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 5130.154162] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 5130.154209] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5130.154248] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 5130.154291] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5130.154338] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5130.154379] PKRU: 55555554 [ 5130.154393] Call Trace: [ 5130.154408] [ 5130.154428] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 5130.154464] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 5130.154497] ? notifier_call_chain (kernel/notifier.c:93) [ 5130.154531] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 5130.154564] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 5130.154598] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 5130.154631] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 5130.154664] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 5130.154690] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 5130.154718] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 5130.154745] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5130.154779] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5130.154812] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5130.154847] [ 5130.154861] [ 5130.154875] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5130.154909] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 5130.154936] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 5130.154969] netdev_core_pick_tx (net/core/dev.c:4211) [ 5130.154996] __dev_queue_xmit (net/core/dev.c:4295) [ 5130.155022] ? eth_header (net/ethernet/eth.c:85) [ 5130.155049] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5130.155077] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5130.155110] mld_sendpack (net/ipv6/mcast.c:1822) [ 5130.155137] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5130.155163] process_one_work (kernel/workqueue.c:3254) [ 5130.155190] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5130.155223] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5130.155250] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5130.155283] kthread (kernel/kthread.c:388) [ 5130.155310] ? __pfx_kthread (kernel/kthread.c:341) [ 5130.155336] ret_from_fork (arch/x86/kernel/process.c:147) [ 5130.155363] ? __pfx_kthread (kernel/kthread.c:341) [ 5130.155384] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5130.155411] | [ 5193.156386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 5193.156571] rcu: 0-....: (5189418 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1165338 | [ 5193.156640] rcu: (t=5187246 jiffies g=-135 q=537 ncpus=4) [ 5193.156715] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5193.156784] Workqueue: mld mld_ifc_work [ 5193.156818] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5193.156854] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 5193.156957] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 5193.156991] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 5193.157038] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 5193.157079] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 5193.157121] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 5193.157161] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 5193.157204] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 5193.157251] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5193.157290] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 5193.157332] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5193.157378] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5193.157419] PKRU: 55555554 [ 5193.157434] Call Trace: [ 5193.157449] [ 5193.157469] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 5193.157505] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 5193.157538] ? notifier_call_chain (kernel/notifier.c:93) [ 5193.157572] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 5193.157605] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 5193.157639] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 5193.157673] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 5193.157706] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 5193.157733] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 5193.157767] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 5193.157801] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5193.157834] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5193.157867] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5193.157901] [ 5193.157914] [ 5193.157928] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5193.157962] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5193.157988] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 5193.158021] netdev_core_pick_tx (net/core/dev.c:4211) [ 5193.158049] __dev_queue_xmit (net/core/dev.c:4295) [ 5193.158075] ? eth_header (net/ethernet/eth.c:85) [ 5193.158102] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5193.158129] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5193.158162] mld_sendpack (net/ipv6/mcast.c:1822) [ 5193.158190] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5193.158216] process_one_work (kernel/workqueue.c:3254) [ 5193.158242] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5193.158276] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5193.158302] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5193.158335] kthread (kernel/kthread.c:388) [ 5193.158363] ? __pfx_kthread (kernel/kthread.c:341) [ 5193.158388] ret_from_fork (arch/x86/kernel/process.c:147) [ 5193.158415] ? __pfx_kthread (kernel/kthread.c:341) [ 5193.158436] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5193.158464] | [ 5256.159395] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 5256.159575] rcu: 0-....: (5252420 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1178964 | [ 5256.159637] rcu: (t=5250249 jiffies g=-135 q=537 ncpus=4) [ 5256.159717] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5256.159792] Workqueue: mld mld_ifc_work [ 5256.159825] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5256.159868] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 5256.159969] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 5256.160003] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 5256.160045] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 5256.160087] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 5256.160129] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 5256.160170] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 5256.160214] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 5256.160260] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5256.160299] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 5256.160343] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5256.160389] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5256.160436] PKRU: 55555554 [ 5256.160450] Call Trace: [ 5256.160468] [ 5256.160493] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 5256.160529] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 5256.160563] ? notifier_call_chain (kernel/notifier.c:93) [ 5256.160597] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 5256.160631] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 5256.160665] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 5256.160698] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 5256.160732] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 5256.160759] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 5256.160793] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 5256.160827] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5256.160860] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5256.160894] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5256.160927] [ 5256.160941] [ 5256.160955] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5256.160990] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5256.161016] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 5256.161050] netdev_core_pick_tx (net/core/dev.c:4211) [ 5256.161078] __dev_queue_xmit (net/core/dev.c:4295) [ 5256.161104] ? eth_header (net/ethernet/eth.c:85) [ 5256.161131] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5256.161158] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5256.161191] mld_sendpack (net/ipv6/mcast.c:1822) [ 5256.161218] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5256.161245] process_one_work (kernel/workqueue.c:3254) [ 5256.161271] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5256.161304] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5256.161331] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5256.161365] kthread (kernel/kthread.c:388) [ 5256.161391] ? __pfx_kthread (kernel/kthread.c:341) [ 5256.161412] ret_from_fork (arch/x86/kernel/process.c:147) [ 5256.161439] ? __pfx_kthread (kernel/kthread.c:341) [ 5256.161465] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5256.161493] | [ 5319.162387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 5319.162591] rcu: 0-....: (5315422 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1192830 | [ 5319.162656] rcu: (t=5313252 jiffies g=-135 q=537 ncpus=4) [ 5319.162736] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5319.162805] Workqueue: mld mld_ifc_work [ 5319.162840] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5319.162877] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 5319.162980] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 5319.163013] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 5319.163061] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 5319.163102] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 5319.163143] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 5319.163184] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 5319.163227] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 5319.163273] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5319.163312] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 5319.163355] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5319.163402] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5319.163443] PKRU: 55555554 [ 5319.163457] Call Trace: [ 5319.163473] [ 5319.163492] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 5319.163527] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 5319.163560] ? notifier_call_chain (kernel/notifier.c:93) [ 5319.163594] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 5319.163627] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 5319.163661] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 5319.163694] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 5319.163727] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 5319.163754] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 5319.163781] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 5319.163815] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5319.163848] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5319.163882] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5319.163915] [ 5319.163930] [ 5319.163943] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5319.163978] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5319.164004] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 5319.164037] netdev_core_pick_tx (net/core/dev.c:4211) [ 5319.164064] __dev_queue_xmit (net/core/dev.c:4295) [ 5319.164090] ? eth_header (net/ethernet/eth.c:85) [ 5319.164117] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5319.164144] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5319.164177] mld_sendpack (net/ipv6/mcast.c:1822) [ 5319.164204] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5319.164229] process_one_work (kernel/workqueue.c:3254) [ 5319.164256] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5319.164288] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5319.164315] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5319.164348] kthread (kernel/kthread.c:388) [ 5319.164375] ? __pfx_kthread (kernel/kthread.c:341) [ 5319.164401] ret_from_fork (arch/x86/kernel/process.c:147) [ 5319.164427] ? __pfx_kthread (kernel/kthread.c:341) [ 5319.164454] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5319.164481] | [ 5382.165413] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 5382.165591] rcu: 0-....: (5378424 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1206422 | [ 5382.165654] rcu: (t=5376255 jiffies g=-135 q=537 ncpus=4) [ 5382.165729] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5382.165798] Workqueue: mld mld_ifc_work [ 5382.165831] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5382.165868] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 5382.165971] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 5382.166005] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 5382.166047] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 5382.166088] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 5382.166130] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 5382.166172] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 5382.166216] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 5382.166263] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5382.166301] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 5382.166344] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5382.166390] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5382.166431] PKRU: 55555554 [ 5382.166445] Call Trace: [ 5382.166461] [ 5382.166481] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 5382.166516] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 5382.166550] ? notifier_call_chain (kernel/notifier.c:93) [ 5382.166583] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 5382.166616] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 5382.166650] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 5382.166683] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 5382.166716] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 5382.166743] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 5382.166777] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 5382.166811] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5382.166844] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5382.166878] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5382.166911] [ 5382.166925] [ 5382.166939] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5382.166973] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5382.166999] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 5382.167032] netdev_core_pick_tx (net/core/dev.c:4211) [ 5382.167059] __dev_queue_xmit (net/core/dev.c:4295) [ 5382.167086] ? eth_header (net/ethernet/eth.c:85) [ 5382.167113] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5382.167139] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5382.167173] mld_sendpack (net/ipv6/mcast.c:1822) [ 5382.167200] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5382.167226] process_one_work (kernel/workqueue.c:3254) [ 5382.167252] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5382.167285] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5382.167312] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5382.167345] kthread (kernel/kthread.c:388) [ 5382.167372] ? __pfx_kthread (kernel/kthread.c:341) [ 5382.167399] ret_from_fork (arch/x86/kernel/process.c:147) [ 5382.167426] ? __pfx_kthread (kernel/kthread.c:341) [ 5382.167452] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5382.167479] | [ 5445.168387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 5445.168502] rcu: 0-....: (5441426 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1220408 | [ 5445.168565] rcu: (t=5439258 jiffies g=-135 q=537 ncpus=4) [ 5445.168643] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5445.168729] Workqueue: mld mld_ifc_work [ 5445.168767] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 5445.168804] 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 [ 5445.168908] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 5445.168942] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 5445.168984] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 5445.169025] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 5445.169067] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 5445.169109] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 5445.169152] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 5445.169199] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5445.169239] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 5445.169281] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5445.169327] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5445.169369] PKRU: 55555554 [ 5445.169383] Call Trace: [ 5445.169400] [ 5445.169422] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 5445.169459] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 5445.169492] ? notifier_call_chain (kernel/notifier.c:93) [ 5445.169527] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 5445.169560] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 5445.169594] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 5445.169627] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 5445.169661] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 5445.169687] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 5445.169721] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 5445.169749] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5445.169783] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5445.169816] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5445.169850] [ 5445.169864] [ 5445.169879] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5445.169913] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 5445.169939] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 5445.169972] netdev_core_pick_tx (net/core/dev.c:4211) [ 5445.170010] __dev_queue_xmit (net/core/dev.c:4295) [ 5445.170035] ? eth_header (net/ethernet/eth.c:85) [ 5445.170061] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5445.170087] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5445.170120] mld_sendpack (net/ipv6/mcast.c:1822) [ 5445.170146] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5445.170172] process_one_work (kernel/workqueue.c:3254) [ 5445.170198] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5445.170230] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5445.170256] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5445.170289] kthread (kernel/kthread.c:388) [ 5445.170314] ? __pfx_kthread (kernel/kthread.c:341) [ 5445.170340] ret_from_fork (arch/x86/kernel/process.c:147) [ 5445.170366] ? __pfx_kthread (kernel/kthread.c:341) [ 5445.170392] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5445.170419] | [ 5508.171403] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 5508.171579] rcu: 0-....: (5504428 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1234300 | [ 5508.171641] rcu: (t=5502261 jiffies g=-135 q=537 ncpus=4) [ 5508.171715] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5508.171792] Workqueue: mld mld_ifc_work [ 5508.171826] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5508.171864] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 5508.171966] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 5508.172000] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 5508.172042] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 5508.172083] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 5508.172125] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 5508.172166] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 5508.172210] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 5508.172257] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5508.172296] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 5508.172340] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5508.172386] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5508.172428] PKRU: 55555554 [ 5508.172442] Call Trace: [ 5508.172458] [ 5508.172478] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 5508.172513] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 5508.172547] ? notifier_call_chain (kernel/notifier.c:93) [ 5508.172581] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 5508.172615] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 5508.172648] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 5508.172682] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 5508.172715] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 5508.172741] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 5508.172770] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 5508.172798] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5508.172832] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5508.172865] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5508.172899] [ 5508.172912] [ 5508.172926] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5508.172960] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5508.172987] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 5508.173020] netdev_core_pick_tx (net/core/dev.c:4211) [ 5508.173048] __dev_queue_xmit (net/core/dev.c:4295) [ 5508.173074] ? eth_header (net/ethernet/eth.c:85) [ 5508.173101] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5508.173129] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5508.173162] mld_sendpack (net/ipv6/mcast.c:1822) [ 5508.173189] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5508.173215] process_one_work (kernel/workqueue.c:3254) [ 5508.173241] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5508.173275] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5508.173302] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5508.173335] kthread (kernel/kthread.c:388) [ 5508.173362] ? __pfx_kthread (kernel/kthread.c:341) [ 5508.173389] ret_from_fork (arch/x86/kernel/process.c:147) [ 5508.173416] ? __pfx_kthread (kernel/kthread.c:341) [ 5508.173442] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5508.173469] | [ 5571.174388] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 5571.174576] rcu: 0-....: (5567430 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1248358 | [ 5571.174640] rcu: (t=5565264 jiffies g=-135 q=537 ncpus=4) [ 5571.174715] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5571.174784] Workqueue: mld mld_ifc_work [ 5571.174818] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5571.174855] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 5571.174958] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 5571.174992] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 5571.175034] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 5571.175076] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 5571.175123] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 5571.175165] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 5571.175209] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 5571.175257] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5571.175296] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 5571.175339] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5571.175386] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5571.175428] PKRU: 55555554 [ 5571.175442] Call Trace: [ 5571.175457] [ 5571.175476] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 5571.175513] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 5571.175547] ? notifier_call_chain (kernel/notifier.c:93) [ 5571.175581] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 5571.175615] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 5571.175649] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 5571.175683] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 5571.175716] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 5571.175743] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 5571.175771] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 5571.175799] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5571.175833] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5571.175866] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5571.175900] [ 5571.175914] [ 5571.175928] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5571.175962] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5571.175988] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 5571.176021] netdev_core_pick_tx (net/core/dev.c:4211) [ 5571.176048] __dev_queue_xmit (net/core/dev.c:4295) [ 5571.176074] ? eth_header (net/ethernet/eth.c:85) [ 5571.176101] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5571.176129] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5571.176162] mld_sendpack (net/ipv6/mcast.c:1822) [ 5571.176190] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5571.176216] process_one_work (kernel/workqueue.c:3254) [ 5571.176243] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5571.176276] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5571.176303] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5571.176337] kthread (kernel/kthread.c:388) [ 5571.176364] ? __pfx_kthread (kernel/kthread.c:341) [ 5571.176385] ret_from_fork (arch/x86/kernel/process.c:147) [ 5571.176412] ? __pfx_kthread (kernel/kthread.c:341) [ 5571.176433] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5571.176460] | [ 5634.177387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 5634.177567] rcu: 0-....: (5630432 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1262153 | [ 5634.177630] rcu: (t=5628267 jiffies g=-135 q=537 ncpus=4) [ 5634.177704] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5634.177768] Workqueue: mld mld_ifc_work [ 5634.177802] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5634.177839] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 5634.177942] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 5634.177976] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 5634.178018] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 5634.178059] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 5634.178101] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 5634.178143] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 5634.178186] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 5634.178232] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5634.178274] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 5634.178316] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5634.178363] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5634.178404] PKRU: 55555554 [ 5634.178418] Call Trace: [ 5634.178433] [ 5634.178454] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 5634.178492] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 5634.178526] ? notifier_call_chain (kernel/notifier.c:93) [ 5634.178560] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 5634.178594] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 5634.178627] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 5634.178661] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 5634.178694] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 5634.178721] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 5634.178754] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 5634.178783] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5634.178817] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5634.178850] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5634.178884] [ 5634.178898] [ 5634.178912] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5634.178946] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5634.178972] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 5634.179006] netdev_core_pick_tx (net/core/dev.c:4211) [ 5634.179032] __dev_queue_xmit (net/core/dev.c:4295) [ 5634.179059] ? eth_header (net/ethernet/eth.c:85) [ 5634.179086] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5634.179113] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5634.179147] mld_sendpack (net/ipv6/mcast.c:1822) [ 5634.179174] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5634.179200] process_one_work (kernel/workqueue.c:3254) [ 5634.179227] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5634.179261] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5634.179287] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5634.179321] kthread (kernel/kthread.c:388) [ 5634.179348] ? __pfx_kthread (kernel/kthread.c:341) [ 5634.179375] ret_from_fork (arch/x86/kernel/process.c:147) [ 5634.179401] ? __pfx_kthread (kernel/kthread.c:341) [ 5634.179421] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5634.179449] | [ 5697.180387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 5697.180624] rcu: 0-....: (5693434 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1275805 | [ 5697.180690] rcu: (t=5691270 jiffies g=-135 q=537 ncpus=4) [ 5697.180765] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5697.180834] Workqueue: mld mld_ifc_work [ 5697.180871] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5697.180910] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 5697.181013] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 5697.181046] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 5697.181088] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 5697.181130] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 5697.181171] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 5697.181213] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 5697.181256] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 5697.181303] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5697.181343] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 5697.181385] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5697.181431] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5697.181473] PKRU: 55555554 [ 5697.181487] Call Trace: [ 5697.181502] [ 5697.181522] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 5697.181557] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 5697.181591] ? notifier_call_chain (kernel/notifier.c:93) [ 5697.181624] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 5697.181657] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 5697.181691] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 5697.181725] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 5697.181758] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 5697.181785] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 5697.181813] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 5697.181846] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5697.181879] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5697.181913] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5697.181946] [ 5697.181960] [ 5697.181974] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5697.182008] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5697.182034] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 5697.182067] netdev_core_pick_tx (net/core/dev.c:4211) [ 5697.182094] __dev_queue_xmit (net/core/dev.c:4295) [ 5697.182120] ? eth_header (net/ethernet/eth.c:85) [ 5697.182147] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5697.182174] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5697.182207] mld_sendpack (net/ipv6/mcast.c:1822) [ 5697.182234] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5697.182260] process_one_work (kernel/workqueue.c:3254) [ 5697.182286] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5697.182320] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5697.182347] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5697.182380] kthread (kernel/kthread.c:388) [ 5697.182406] ? __pfx_kthread (kernel/kthread.c:341) [ 5697.182432] ret_from_fork (arch/x86/kernel/process.c:147) [ 5697.182459] ? __pfx_kthread (kernel/kthread.c:341) [ 5697.182479] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5697.182507] | [ 5760.183394] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 5760.183573] rcu: 0-....: (5756436 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1289266 | [ 5760.183636] rcu: (t=5754273 jiffies g=-135 q=537 ncpus=4) [ 5760.183718] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5760.183787] Workqueue: mld mld_ifc_work [ 5760.183820] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5760.183858] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 5760.183959] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 5760.183992] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 5760.184034] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 5760.184076] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 5760.184118] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 5760.184160] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 5760.184203] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 5760.184250] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5760.184290] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 5760.184332] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5760.184378] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5760.184420] PKRU: 55555554 [ 5760.184434] Call Trace: [ 5760.184452] [ 5760.184481] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 5760.184519] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 5760.184552] ? notifier_call_chain (kernel/notifier.c:93) [ 5760.184586] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 5760.184619] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 5760.184653] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 5760.184686] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 5760.184720] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 5760.184746] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 5760.184780] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 5760.184809] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5760.184842] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5760.184875] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5760.184909] [ 5760.184922] [ 5760.184936] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5760.184970] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5760.184996] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 5760.185030] netdev_core_pick_tx (net/core/dev.c:4211) [ 5760.185057] __dev_queue_xmit (net/core/dev.c:4295) [ 5760.185083] ? eth_header (net/ethernet/eth.c:85) [ 5760.185110] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5760.185137] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5760.185170] mld_sendpack (net/ipv6/mcast.c:1822) [ 5760.185196] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5760.185223] process_one_work (kernel/workqueue.c:3254) [ 5760.185250] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5760.185282] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5760.185309] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5760.185343] kthread (kernel/kthread.c:388) [ 5760.185369] ? __pfx_kthread (kernel/kthread.c:341) [ 5760.185390] ret_from_fork (arch/x86/kernel/process.c:147) [ 5760.185417] ? __pfx_kthread (kernel/kthread.c:341) [ 5760.185437] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5760.185465] | [ 5823.186392] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 5823.186573] rcu: 0-....: (5819438 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1303363 | [ 5823.186636] rcu: (t=5817276 jiffies g=-135 q=537 ncpus=4) [ 5823.186717] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5823.186787] Workqueue: mld mld_ifc_work [ 5823.186823] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5823.186864] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 5823.186966] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 5823.187000] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 5823.187042] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 5823.187084] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 5823.187126] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 5823.187168] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 5823.187212] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 5823.187259] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5823.187299] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 5823.187342] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5823.187388] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5823.187430] PKRU: 55555554 [ 5823.187443] Call Trace: [ 5823.187459] [ 5823.187478] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 5823.187516] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 5823.187549] ? notifier_call_chain (kernel/notifier.c:93) [ 5823.187583] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 5823.187616] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 5823.187650] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 5823.187684] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 5823.187717] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 5823.187744] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 5823.187772] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 5823.187806] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5823.187840] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5823.187873] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5823.187906] [ 5823.187920] [ 5823.187934] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5823.187968] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5823.187995] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 5823.188028] netdev_core_pick_tx (net/core/dev.c:4211) [ 5823.188055] __dev_queue_xmit (net/core/dev.c:4295) [ 5823.188081] ? eth_header (net/ethernet/eth.c:85) [ 5823.188108] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5823.188135] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5823.188168] mld_sendpack (net/ipv6/mcast.c:1822) [ 5823.188195] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5823.188221] process_one_work (kernel/workqueue.c:3254) [ 5823.188248] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5823.188281] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5823.188308] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5823.188341] kthread (kernel/kthread.c:388) [ 5823.188368] ? __pfx_kthread (kernel/kthread.c:341) [ 5823.188388] ret_from_fork (arch/x86/kernel/process.c:147) [ 5823.188415] ? __pfx_kthread (kernel/kthread.c:341) [ 5823.188436] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5823.188465] | [ 5886.189413] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 5886.189583] rcu: 0-....: (5882440 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1317543 | [ 5886.189645] rcu: (t=5880279 jiffies g=-135 q=537 ncpus=4) [ 5886.189717] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5886.189784] Workqueue: mld mld_ifc_work [ 5886.189818] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5886.189854] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 5886.189954] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 5886.189997] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 5886.190042] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 5886.190099] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 5886.190140] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 5886.190182] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 5886.190225] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 5886.190272] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5886.190312] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 5886.190355] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5886.190401] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5886.190442] PKRU: 55555554 [ 5886.190456] Call Trace: [ 5886.190471] [ 5886.190492] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 5886.190527] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 5886.190560] ? notifier_call_chain (kernel/notifier.c:93) [ 5886.190594] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 5886.190627] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 5886.190661] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 5886.190694] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 5886.190728] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 5886.190754] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 5886.190782] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 5886.190816] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5886.190850] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5886.190883] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5886.190917] [ 5886.190930] [ 5886.190945] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5886.190979] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5886.191005] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 5886.191038] netdev_core_pick_tx (net/core/dev.c:4211) [ 5886.191065] __dev_queue_xmit (net/core/dev.c:4295) [ 5886.191092] ? eth_header (net/ethernet/eth.c:85) [ 5886.191118] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5886.191145] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5886.191178] mld_sendpack (net/ipv6/mcast.c:1822) [ 5886.191205] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5886.191242] process_one_work (kernel/workqueue.c:3254) [ 5886.191268] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5886.191300] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5886.191326] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5886.191358] kthread (kernel/kthread.c:388) [ 5886.191384] ? __pfx_kthread (kernel/kthread.c:341) [ 5886.191410] ret_from_fork (arch/x86/kernel/process.c:147) [ 5886.191436] ? __pfx_kthread (kernel/kthread.c:341) [ 5886.191457] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5886.191484] | [ 5949.192388] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 5949.192569] rcu: 0-....: (5945442 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1331900 | [ 5949.192630] rcu: (t=5943282 jiffies g=-135 q=537 ncpus=4) [ 5949.192709] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 5949.192777] Workqueue: mld mld_ifc_work [ 5949.192813] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5949.192849] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 5949.192948] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 5949.192981] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 5949.193021] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 5949.193062] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 5949.193108] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 5949.193149] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 5949.193190] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 5949.193236] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 5949.193275] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 5949.193317] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 5949.193362] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 5949.193402] PKRU: 55555554 [ 5949.193415] Call Trace: [ 5949.193432] [ 5949.193454] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 5949.193491] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 5949.193523] ? notifier_call_chain (kernel/notifier.c:93) [ 5949.193557] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 5949.193589] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 5949.193622] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 5949.193655] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 5949.193687] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 5949.193713] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 5949.193746] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 5949.193778] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 5949.193811] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 5949.193843] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 5949.193876] [ 5949.193889] [ 5949.193903] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 5949.193936] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 5949.193962] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 5949.193994] netdev_core_pick_tx (net/core/dev.c:4211) [ 5949.194021] __dev_queue_xmit (net/core/dev.c:4295) [ 5949.194046] ? eth_header (net/ethernet/eth.c:85) [ 5949.194072] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 5949.194099] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 5949.194131] mld_sendpack (net/ipv6/mcast.c:1822) [ 5949.194157] mld_ifc_work (net/ipv6/mcast.c:2652) [ 5949.194183] process_one_work (kernel/workqueue.c:3254) [ 5949.194209] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5949.194241] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 5949.194267] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 5949.194300] kthread (kernel/kthread.c:388) [ 5949.194333] ? __pfx_kthread (kernel/kthread.c:341) [ 5949.194364] ret_from_fork (arch/x86/kernel/process.c:147) [ 5949.194402] ? __pfx_kthread (kernel/kthread.c:341) [ 5949.194423] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 5949.194450] | [ 6012.195397] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 6012.195568] rcu: 0-....: (6008444 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1345825 | [ 6012.195626] rcu: (t=6006285 jiffies g=-135 q=537 ncpus=4) [ 6012.195694] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6012.195759] Workqueue: mld mld_ifc_work [ 6012.195791] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6012.195826] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 6012.195922] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 6012.195953] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 6012.195997] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 6012.196035] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 6012.196074] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 6012.196113] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 6012.196153] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 6012.196196] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6012.196234] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 6012.196279] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6012.196322] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6012.196361] PKRU: 55555554 [ 6012.196375] Call Trace: [ 6012.196389] [ 6012.196407] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 6012.196441] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 6012.196473] ? notifier_call_chain (kernel/notifier.c:93) [ 6012.196505] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 6012.196536] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 6012.196568] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 6012.196599] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 6012.196631] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 6012.196655] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 6012.196682] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 6012.196708] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6012.196739] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6012.196771] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6012.196802] [ 6012.196815] [ 6012.196828] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6012.196879] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6012.196905] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 6012.196937] netdev_core_pick_tx (net/core/dev.c:4211) [ 6012.196964] __dev_queue_xmit (net/core/dev.c:4295) [ 6012.196989] ? eth_header (net/ethernet/eth.c:85) [ 6012.197015] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6012.197042] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6012.197074] mld_sendpack (net/ipv6/mcast.c:1822) [ 6012.197101] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6012.197127] process_one_work (kernel/workqueue.c:3254) [ 6012.197152] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6012.197184] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6012.197210] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6012.197242] kthread (kernel/kthread.c:388) [ 6012.197269] ? __pfx_kthread (kernel/kthread.c:341) [ 6012.197295] ret_from_fork (arch/x86/kernel/process.c:147) [ 6012.197320] ? __pfx_kthread (kernel/kthread.c:341) [ 6012.197346] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6012.197373] | [ 6075.198387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 6075.198575] rcu: 0-....: (6071446 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1359876 | [ 6075.198638] rcu: (t=6069288 jiffies g=-135 q=537 ncpus=4) [ 6075.198713] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6075.198776] Workqueue: mld mld_ifc_work [ 6075.198810] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6075.198846] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 6075.198949] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 6075.198983] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 6075.199025] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 6075.199067] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 6075.199109] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 6075.199151] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 6075.199207] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 6075.199254] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6075.199293] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 6075.199337] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6075.199384] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6075.199426] PKRU: 55555554 [ 6075.199440] Call Trace: [ 6075.199455] [ 6075.199475] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 6075.199511] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 6075.199544] ? notifier_call_chain (kernel/notifier.c:93) [ 6075.199577] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 6075.199611] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 6075.199644] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 6075.199678] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 6075.199711] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 6075.199737] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 6075.199765] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 6075.199793] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6075.199827] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6075.199861] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6075.199894] [ 6075.199909] [ 6075.199923] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6075.199957] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6075.199983] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 6075.200017] netdev_core_pick_tx (net/core/dev.c:4211) [ 6075.200044] __dev_queue_xmit (net/core/dev.c:4295) [ 6075.200070] ? eth_header (net/ethernet/eth.c:85) [ 6075.200097] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6075.200124] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6075.200157] mld_sendpack (net/ipv6/mcast.c:1822) [ 6075.200184] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6075.200211] process_one_work (kernel/workqueue.c:3254) [ 6075.200238] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6075.200271] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6075.200298] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6075.200331] kthread (kernel/kthread.c:388) [ 6075.200358] ? __pfx_kthread (kernel/kthread.c:341) [ 6075.200385] ret_from_fork (arch/x86/kernel/process.c:147) [ 6075.200412] ? __pfx_kthread (kernel/kthread.c:341) [ 6075.200433] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6075.200460] | [ 6138.201388] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 6138.201581] rcu: 0-....: (6134448 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1373882 | [ 6138.201643] rcu: (t=6132291 jiffies g=-135 q=537 ncpus=4) [ 6138.201717] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6138.201787] Workqueue: mld mld_ifc_work [ 6138.201825] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6138.201862] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 6138.201964] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 6138.201997] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 6138.202039] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 6138.202081] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 6138.202122] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 6138.202165] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 6138.202208] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 6138.202255] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6138.202293] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 6138.202336] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6138.202382] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6138.202424] PKRU: 55555554 [ 6138.202438] Call Trace: [ 6138.202453] [ 6138.202473] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 6138.202509] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 6138.202542] ? notifier_call_chain (kernel/notifier.c:93) [ 6138.202576] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 6138.202620] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 6138.202669] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 6138.202702] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 6138.202735] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 6138.202762] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 6138.202790] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 6138.202819] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6138.202852] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6138.202885] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6138.202919] [ 6138.202932] [ 6138.202946] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6138.202980] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6138.203007] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 6138.203040] netdev_core_pick_tx (net/core/dev.c:4211) [ 6138.203067] __dev_queue_xmit (net/core/dev.c:4295) [ 6138.203093] ? eth_header (net/ethernet/eth.c:85) [ 6138.203120] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6138.203146] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6138.203180] mld_sendpack (net/ipv6/mcast.c:1822) [ 6138.203207] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6138.203233] process_one_work (kernel/workqueue.c:3254) [ 6138.203259] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6138.203292] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6138.203319] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6138.203352] kthread (kernel/kthread.c:388) [ 6138.203379] ? __pfx_kthread (kernel/kthread.c:341) [ 6138.203406] ret_from_fork (arch/x86/kernel/process.c:147) [ 6138.203432] ? __pfx_kthread (kernel/kthread.c:341) [ 6138.203453] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6138.203480] | [ 6201.204387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 6201.204566] rcu: 0-....: (6197450 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1388061 | [ 6201.204631] rcu: (t=6195294 jiffies g=-135 q=537 ncpus=4) [ 6201.204703] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6201.204771] Workqueue: mld mld_ifc_work [ 6201.204803] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6201.204839] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 6201.204940] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 6201.204972] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 6201.205013] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 6201.205053] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 6201.205094] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 6201.205134] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 6201.205177] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 6201.205222] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6201.205261] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 6201.205303] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6201.205348] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6201.205389] PKRU: 55555554 [ 6201.205402] Call Trace: [ 6201.205418] [ 6201.205437] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 6201.205473] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 6201.205506] ? notifier_call_chain (kernel/notifier.c:93) [ 6201.205539] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 6201.205571] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 6201.205604] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 6201.205637] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 6201.205669] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 6201.205695] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 6201.205723] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 6201.205750] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6201.205783] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6201.205815] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6201.205847] [ 6201.205861] [ 6201.205875] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6201.205908] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6201.205933] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 6201.205965] netdev_core_pick_tx (net/core/dev.c:4211) [ 6201.206010] __dev_queue_xmit (net/core/dev.c:4295) [ 6201.206036] ? eth_header (net/ethernet/eth.c:85) [ 6201.206062] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6201.206089] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6201.206122] mld_sendpack (net/ipv6/mcast.c:1822) [ 6201.206149] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6201.206175] process_one_work (kernel/workqueue.c:3254) [ 6201.206202] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6201.206235] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6201.206262] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6201.206294] kthread (kernel/kthread.c:388) [ 6201.206321] ? __pfx_kthread (kernel/kthread.c:341) [ 6201.206347] ret_from_fork (arch/x86/kernel/process.c:147) [ 6201.206374] ? __pfx_kthread (kernel/kthread.c:341) [ 6201.206400] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6201.206428] | [ 6264.207423] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 6264.207607] rcu: 0-....: (6260452 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1402267 | [ 6264.207670] rcu: (t=6258297 jiffies g=-135 q=537 ncpus=4) [ 6264.207749] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6264.207816] Workqueue: mld mld_ifc_work [ 6264.207851] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6264.207889] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 6264.208006] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 6264.208040] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 6264.208082] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 6264.208123] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 6264.208165] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 6264.208206] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 6264.208260] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 6264.208306] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6264.208368] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 6264.208410] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6264.208456] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6264.208497] PKRU: 55555554 [ 6264.208511] Call Trace: [ 6264.208529] [ 6264.208555] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 6264.208591] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 6264.208624] ? notifier_call_chain (kernel/notifier.c:93) [ 6264.208658] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 6264.208692] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 6264.208725] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 6264.208759] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 6264.208792] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 6264.208818] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 6264.208852] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 6264.208886] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6264.208919] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6264.208952] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6264.208986] [ 6264.209000] [ 6264.209014] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6264.209048] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6264.209074] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 6264.209107] netdev_core_pick_tx (net/core/dev.c:4211) [ 6264.209134] __dev_queue_xmit (net/core/dev.c:4295) [ 6264.209161] ? eth_header (net/ethernet/eth.c:85) [ 6264.209188] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6264.209215] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6264.209248] mld_sendpack (net/ipv6/mcast.c:1822) [ 6264.209275] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6264.209301] process_one_work (kernel/workqueue.c:3254) [ 6264.209328] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6264.209361] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6264.209388] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6264.209421] kthread (kernel/kthread.c:388) [ 6264.209448] ? __pfx_kthread (kernel/kthread.c:341) [ 6264.209475] ret_from_fork (arch/x86/kernel/process.c:147) [ 6264.209502] ? __pfx_kthread (kernel/kthread.c:341) [ 6264.209522] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6264.209561] | [ 6327.210387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 6327.210611] rcu: 0-....: (6323454 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1416888 | [ 6327.210674] rcu: (t=6321300 jiffies g=-135 q=537 ncpus=4) [ 6327.210755] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6327.210823] Workqueue: mld mld_ifc_work [ 6327.210858] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 6327.210894] 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 [ 6327.210996] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 6327.211029] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 6327.211070] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 6327.211122] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 6327.211162] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 6327.211202] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 6327.211244] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 6327.211289] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6327.211327] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 6327.211369] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6327.211414] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6327.211454] PKRU: 55555554 [ 6327.211468] Call Trace: [ 6327.211483] [ 6327.211502] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 6327.211537] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 6327.211569] ? notifier_call_chain (kernel/notifier.c:93) [ 6327.211601] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 6327.211633] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 6327.211666] ? 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) [ 6327.211699] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 6327.211731] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 6327.211757] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 6327.211789] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 6327.211816] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6327.211849] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6327.211881] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6327.211913] [ 6327.211927] [ 6327.211940] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6327.211973] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 6327.211998] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 6327.212030] netdev_core_pick_tx (net/core/dev.c:4211) [ 6327.212056] __dev_queue_xmit (net/core/dev.c:4295) [ 6327.212081] ? eth_header (net/ethernet/eth.c:85) [ 6327.212107] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6327.212133] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6327.212166] mld_sendpack (net/ipv6/mcast.c:1822) [ 6327.212192] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6327.212217] process_one_work (kernel/workqueue.c:3254) [ 6327.212243] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6327.212275] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6327.212301] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6327.212333] kthread (kernel/kthread.c:388) [ 6327.212359] ? __pfx_kthread (kernel/kthread.c:341) [ 6327.212385] ret_from_fork (arch/x86/kernel/process.c:147) [ 6327.212410] ? __pfx_kthread (kernel/kthread.c:341) [ 6327.212435] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6327.212462] | [ 6390.213403] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 6390.213519] rcu: 0-....: (6386456 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1431548 | [ 6390.213581] rcu: (t=6384303 jiffies g=-135 q=537 ncpus=4) [ 6390.213655] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6390.213725] Workqueue: mld mld_ifc_work [ 6390.213758] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6390.213795] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 6390.213907] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 6390.213939] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 6390.213980] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 6390.214021] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 6390.214061] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 6390.214102] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 6390.214144] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 6390.214190] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6390.214228] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 6390.214270] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6390.214316] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6390.214356] PKRU: 55555554 [ 6390.214369] Call Trace: [ 6390.214400] [ 6390.214421] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 6390.214456] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 6390.214490] ? notifier_call_chain (kernel/notifier.c:93) [ 6390.214524] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 6390.214557] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 6390.214590] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 6390.214624] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 6390.214657] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 6390.214684] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 6390.214712] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 6390.214740] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6390.214773] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6390.214807] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6390.214841] [ 6390.214855] [ 6390.214869] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6390.214903] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6390.214929] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 6390.214963] netdev_core_pick_tx (net/core/dev.c:4211) [ 6390.214990] __dev_queue_xmit (net/core/dev.c:4295) [ 6390.215016] ? eth_header (net/ethernet/eth.c:85) [ 6390.215043] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6390.215070] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6390.215103] mld_sendpack (net/ipv6/mcast.c:1822) [ 6390.215130] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6390.215156] process_one_work (kernel/workqueue.c:3254) [ 6390.215183] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6390.215216] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6390.215243] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6390.215276] kthread (kernel/kthread.c:388) [ 6390.215302] ? __pfx_kthread (kernel/kthread.c:341) [ 6390.215328] ret_from_fork (arch/x86/kernel/process.c:147) [ 6390.215355] ? __pfx_kthread (kernel/kthread.c:341) [ 6390.215381] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6390.215409] | [ 6453.216413] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 6453.216616] rcu: 0-....: (6449458 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1446232 | [ 6453.216681] rcu: (t=6447306 jiffies g=-135 q=537 ncpus=4) [ 6453.216762] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6453.216828] Workqueue: mld mld_ifc_work [ 6453.216865] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6453.216903] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 6453.217005] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 6453.217039] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 6453.217086] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 6453.217127] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 6453.217169] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 6453.217211] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 6453.217256] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 6453.217302] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6453.217341] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 6453.217384] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6453.217431] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6453.217473] PKRU: 55555554 [ 6453.217494] Call Trace: [ 6453.217511] [ 6453.217534] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 6453.217573] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 6453.217606] ? notifier_call_chain (kernel/notifier.c:93) [ 6453.217640] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 6453.217674] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 6453.217707] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 6453.217741] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 6453.217775] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 6453.217801] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 6453.217835] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 6453.217863] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6453.217896] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6453.217930] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6453.217964] [ 6453.217977] [ 6453.217991] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6453.218026] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6453.218052] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 6453.218085] netdev_core_pick_tx (net/core/dev.c:4211) [ 6453.218113] __dev_queue_xmit (net/core/dev.c:4295) [ 6453.218139] ? eth_header (net/ethernet/eth.c:85) [ 6453.218166] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6453.218193] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6453.218226] mld_sendpack (net/ipv6/mcast.c:1822) [ 6453.218253] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6453.218279] process_one_work (kernel/workqueue.c:3254) [ 6453.218305] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6453.218338] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6453.218365] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6453.218398] kthread (kernel/kthread.c:388) [ 6453.218425] ? __pfx_kthread (kernel/kthread.c:341) [ 6453.218452] ret_from_fork (arch/x86/kernel/process.c:147) [ 6453.218478] ? __pfx_kthread (kernel/kthread.c:341) [ 6453.218499] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6453.218528] | [ 6516.219398] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 6516.219597] rcu: 0-....: (6512460 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1460798 | [ 6516.219661] rcu: (t=6510309 jiffies g=-135 q=537 ncpus=4) [ 6516.219734] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6516.219796] Workqueue: mld mld_ifc_work [ 6516.219829] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6516.219865] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 6516.219966] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 6516.219999] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 6516.220040] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 6516.220081] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 6516.220122] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 6516.220163] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 6516.220205] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 6516.220251] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6516.220290] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 6516.220332] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6516.220378] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6516.220419] PKRU: 55555554 [ 6516.220433] Call Trace: [ 6516.220448] [ 6516.220484] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 6516.220521] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 6516.220555] ? notifier_call_chain (kernel/notifier.c:93) [ 6516.220589] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 6516.220622] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 6516.220656] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 6516.220690] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 6516.220723] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 6516.220749] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 6516.220777] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 6516.220811] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6516.220844] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6516.220877] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6516.220911] [ 6516.220925] [ 6516.220939] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6516.220973] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6516.220999] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 6516.221033] netdev_core_pick_tx (net/core/dev.c:4211) [ 6516.221060] __dev_queue_xmit (net/core/dev.c:4295) [ 6516.221086] ? eth_header (net/ethernet/eth.c:85) [ 6516.221113] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6516.221140] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6516.221174] mld_sendpack (net/ipv6/mcast.c:1822) [ 6516.221200] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6516.221227] process_one_work (kernel/workqueue.c:3254) [ 6516.221253] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6516.221287] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6516.221313] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6516.221347] kthread (kernel/kthread.c:388) [ 6516.221373] ? __pfx_kthread (kernel/kthread.c:341) [ 6516.221394] ret_from_fork (arch/x86/kernel/process.c:147) [ 6516.221420] ? __pfx_kthread (kernel/kthread.c:341) [ 6516.221441] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6516.221469] | [ 6579.222387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 6579.222559] rcu: 0-....: (6575462 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1475487 | [ 6579.222621] rcu: (t=6573312 jiffies g=-135 q=537 ncpus=4) [ 6579.222696] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6579.222764] Workqueue: mld mld_ifc_work [ 6579.222798] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 6579.222841] 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 [ 6579.222941] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 6579.222974] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 6579.223014] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 6579.223054] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 6579.223095] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 6579.223136] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 6579.223177] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 6579.223222] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6579.223260] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 6579.223302] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6579.223347] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6579.223388] PKRU: 55555554 [ 6579.223402] Call Trace: [ 6579.223416] [ 6579.223436] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 6579.223471] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 6579.223504] ? notifier_call_chain (kernel/notifier.c:93) [ 6579.223537] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 6579.223569] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 6579.223601] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 6579.223634] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 6579.223666] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 6579.223692] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 6579.223720] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 6579.223752] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6579.223785] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6579.223817] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6579.223850] [ 6579.223863] [ 6579.223877] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6579.223910] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 6579.223936] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 6579.223969] netdev_core_pick_tx (net/core/dev.c:4211) [ 6579.223995] __dev_queue_xmit (net/core/dev.c:4295) [ 6579.224021] ? eth_header (net/ethernet/eth.c:85) [ 6579.224047] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6579.224073] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6579.224105] mld_sendpack (net/ipv6/mcast.c:1822) [ 6579.224132] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6579.224157] process_one_work (kernel/workqueue.c:3254) [ 6579.224183] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6579.224216] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6579.224242] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6579.224274] kthread (kernel/kthread.c:388) [ 6579.224300] ? __pfx_kthread (kernel/kthread.c:341) [ 6579.224326] ret_from_fork (arch/x86/kernel/process.c:147) [ 6579.224352] ? __pfx_kthread (kernel/kthread.c:341) [ 6579.224378] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6579.224405] | [ 6642.225413] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 6642.225574] rcu: 0-....: (6638464 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1490126 | [ 6642.225635] rcu: (t=6636315 jiffies g=-135 q=537 ncpus=4) [ 6642.225708] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6642.225770] Workqueue: mld mld_ifc_work [ 6642.225803] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 6642.225836] 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 [ 6642.225936] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 6642.225968] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 6642.226010] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 6642.226050] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 6642.226091] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 6642.226131] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 6642.226173] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 6642.226219] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6642.226257] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 6642.226299] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6642.226353] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6642.226393] PKRU: 55555554 [ 6642.226405] Call Trace: [ 6642.226420] [ 6642.226439] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 6642.226472] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 6642.226503] ? notifier_call_chain (kernel/notifier.c:93) [ 6642.226535] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 6642.226583] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 6642.226616] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 6642.226656] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 6642.226706] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 6642.226733] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 6642.226766] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 6642.226794] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6642.226828] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6642.226862] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6642.226894] [ 6642.226909] [ 6642.226923] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6642.226958] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 6642.226984] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 6642.227018] netdev_core_pick_tx (net/core/dev.c:4211) [ 6642.227046] __dev_queue_xmit (net/core/dev.c:4295) [ 6642.227072] ? eth_header (net/ethernet/eth.c:85) [ 6642.227099] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6642.227126] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6642.227170] mld_sendpack (net/ipv6/mcast.c:1822) [ 6642.227198] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6642.227223] process_one_work (kernel/workqueue.c:3254) [ 6642.227250] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6642.227283] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6642.227310] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6642.227343] kthread (kernel/kthread.c:388) [ 6642.227369] ? __pfx_kthread (kernel/kthread.c:341) [ 6642.227395] ret_from_fork (arch/x86/kernel/process.c:147) [ 6642.227421] ? __pfx_kthread (kernel/kthread.c:341) [ 6642.227442] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6642.227469] | [ 6705.228446] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 6705.228611] rcu: 0-....: (6701466 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1504716 | [ 6705.228680] rcu: (t=6699318 jiffies g=-135 q=537 ncpus=4) [ 6705.228762] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6705.228831] Workqueue: mld mld_ifc_work [ 6705.228864] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 6705.228905] 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 [ 6705.229007] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 6705.229040] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 6705.229082] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 6705.229130] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 6705.229172] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 6705.229214] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 6705.229258] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 6705.229314] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6705.229352] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 6705.229395] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6705.229440] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6705.229481] PKRU: 55555554 [ 6705.229495] Call Trace: [ 6705.229513] [ 6705.229547] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 6705.229581] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 6705.229612] ? notifier_call_chain (kernel/notifier.c:93) [ 6705.229643] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 6705.229674] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 6705.229706] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 6705.229737] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 6705.229768] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 6705.229793] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 6705.229824] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 6705.229855] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6705.229889] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6705.229938] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6705.229971] [ 6705.229984] [ 6705.229997] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6705.230031] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 6705.230056] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 6705.230088] netdev_core_pick_tx (net/core/dev.c:4211) [ 6705.230115] __dev_queue_xmit (net/core/dev.c:4295) [ 6705.230140] ? eth_header (net/ethernet/eth.c:85) [ 6705.230166] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6705.230192] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6705.230225] mld_sendpack (net/ipv6/mcast.c:1822) [ 6705.230251] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6705.230276] process_one_work (kernel/workqueue.c:3254) [ 6705.230302] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6705.230334] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6705.230359] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6705.230391] kthread (kernel/kthread.c:388) [ 6705.230417] ? __pfx_kthread (kernel/kthread.c:341) [ 6705.230438] ret_from_fork (arch/x86/kernel/process.c:147) [ 6705.230463] ? __pfx_kthread (kernel/kthread.c:341) [ 6705.230483] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6705.230511] | [ 6768.231419] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 6768.231538] rcu: 0-....: (6764468 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1519406 | [ 6768.231601] rcu: (t=6762321 jiffies g=-135 q=537 ncpus=4) [ 6768.231689] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6768.231758] Workqueue: mld mld_ifc_work [ 6768.231793] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6768.231832] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 6768.231935] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 6768.231968] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 6768.232016] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 6768.232057] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 6768.232099] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 6768.232140] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 6768.232183] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 6768.232230] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6768.232270] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 6768.232313] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6768.232360] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6768.232401] PKRU: 55555554 [ 6768.232415] Call Trace: [ 6768.232431] [ 6768.232451] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 6768.232487] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 6768.232520] ? notifier_call_chain (kernel/notifier.c:93) [ 6768.232554] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 6768.232587] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 6768.232621] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 6768.232655] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 6768.232688] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 6768.232715] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 6768.232743] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 6768.232776] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6768.232810] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6768.232854] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6768.232887] [ 6768.232901] [ 6768.232915] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6768.232948] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6768.232974] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 6768.233006] netdev_core_pick_tx (net/core/dev.c:4211) [ 6768.233033] __dev_queue_xmit (net/core/dev.c:4295) [ 6768.233058] ? eth_header (net/ethernet/eth.c:85) [ 6768.233084] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6768.233110] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6768.233142] mld_sendpack (net/ipv6/mcast.c:1822) [ 6768.233169] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6768.233195] process_one_work (kernel/workqueue.c:3254) [ 6768.233221] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6768.233253] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6768.233279] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6768.233312] kthread (kernel/kthread.c:388) [ 6768.233338] ? __pfx_kthread (kernel/kthread.c:341) [ 6768.233363] ret_from_fork (arch/x86/kernel/process.c:147) [ 6768.233389] ? __pfx_kthread (kernel/kthread.c:341) [ 6768.233410] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6768.233437] | [ 6831.234413] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 6831.234518] rcu: 0-....: (6827470 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1534119 | [ 6831.234581] rcu: (t=6825324 jiffies g=-135 q=537 ncpus=4) [ 6831.234655] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6831.234724] Workqueue: mld mld_ifc_work [ 6831.234758] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6831.234794] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 6831.234898] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 6831.234932] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 6831.234974] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 6831.235016] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 6831.235058] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 6831.235099] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 6831.235143] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 6831.235190] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6831.235229] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 6831.235272] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6831.235319] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6831.235361] PKRU: 55555554 [ 6831.235375] Call Trace: [ 6831.235390] [ 6831.235411] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 6831.235450] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 6831.235484] ? notifier_call_chain (kernel/notifier.c:93) [ 6831.235518] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 6831.235551] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 6831.235585] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 6831.235629] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 6831.235662] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 6831.235687] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 6831.235715] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 6831.235742] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6831.235776] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6831.235832] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6831.235865] [ 6831.235879] [ 6831.235893] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6831.235927] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6831.235953] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 6831.235987] netdev_core_pick_tx (net/core/dev.c:4211) [ 6831.236014] __dev_queue_xmit (net/core/dev.c:4295) [ 6831.236040] ? eth_header (net/ethernet/eth.c:85) [ 6831.236067] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6831.236094] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6831.236127] mld_sendpack (net/ipv6/mcast.c:1822) [ 6831.236154] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6831.236180] process_one_work (kernel/workqueue.c:3254) [ 6831.236206] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6831.236240] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6831.236266] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6831.236299] kthread (kernel/kthread.c:388) [ 6831.236326] ? __pfx_kthread (kernel/kthread.c:341) [ 6831.236347] ret_from_fork (arch/x86/kernel/process.c:147) [ 6831.236374] ? __pfx_kthread (kernel/kthread.c:341) [ 6831.236394] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6831.236422] | [ 6894.237407] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 6894.237588] rcu: 0-....: (6890472 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1548804 | [ 6894.237650] rcu: (t=6888327 jiffies g=-135 q=537 ncpus=4) [ 6894.237729] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6894.237792] Workqueue: mld mld_ifc_work [ 6894.237827] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6894.237862] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 6894.237963] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 6894.237996] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 6894.238042] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 6894.238083] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 6894.238126] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 6894.238166] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 6894.238208] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 6894.238253] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6894.238291] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 6894.238334] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6894.238378] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6894.238419] PKRU: 55555554 [ 6894.238432] Call Trace: [ 6894.238449] [ 6894.238471] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 6894.238509] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 6894.238542] ? notifier_call_chain (kernel/notifier.c:93) [ 6894.238574] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 6894.238607] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 6894.238640] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 6894.238673] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 6894.238705] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 6894.238731] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 6894.238764] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 6894.238796] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6894.238829] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6894.238861] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6894.238894] [ 6894.238908] [ 6894.238921] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6894.238954] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6894.238980] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 6894.239012] netdev_core_pick_tx (net/core/dev.c:4211) [ 6894.239038] __dev_queue_xmit (net/core/dev.c:4295) [ 6894.239064] ? eth_header (net/ethernet/eth.c:85) [ 6894.239090] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6894.239116] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6894.239148] mld_sendpack (net/ipv6/mcast.c:1822) [ 6894.239175] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6894.239200] process_one_work (kernel/workqueue.c:3254) [ 6894.239226] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6894.239259] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6894.239285] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6894.239318] kthread (kernel/kthread.c:388) [ 6894.239344] ? __pfx_kthread (kernel/kthread.c:341) [ 6894.239369] ret_from_fork (arch/x86/kernel/process.c:147) [ 6894.239395] ? __pfx_kthread (kernel/kthread.c:341) [ 6894.239420] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6894.239447] | [ 6957.240397] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 6957.240512] rcu: 0-....: (6953474 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1563377 | [ 6957.240588] rcu: (t=6951330 jiffies g=-135 q=537 ncpus=4) [ 6957.240662] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 6957.240731] Workqueue: mld mld_ifc_work [ 6957.240775] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6957.240808] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 6957.240908] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 6957.240941] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 6957.240981] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 6957.241022] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 6957.241063] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 6957.241103] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 6957.241146] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 6957.241191] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 6957.241230] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 6957.241272] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 6957.241317] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 6957.241358] PKRU: 55555554 [ 6957.241372] Call Trace: [ 6957.241387] [ 6957.241406] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 6957.241442] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 6957.241475] ? notifier_call_chain (kernel/notifier.c:93) [ 6957.241526] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 6957.241559] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 6957.241593] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 6957.241627] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 6957.241660] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 6957.241686] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 6957.241715] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 6957.241759] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 6957.241808] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 6957.241843] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 6957.241884] [ 6957.241898] [ 6957.241912] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 6957.241946] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 6957.241972] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 6957.242005] netdev_core_pick_tx (net/core/dev.c:4211) [ 6957.242032] __dev_queue_xmit (net/core/dev.c:4295) [ 6957.242058] ? eth_header (net/ethernet/eth.c:85) [ 6957.242084] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 6957.242111] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 6957.242144] mld_sendpack (net/ipv6/mcast.c:1822) [ 6957.242171] mld_ifc_work (net/ipv6/mcast.c:2652) [ 6957.242198] process_one_work (kernel/workqueue.c:3254) [ 6957.242225] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6957.242257] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 6957.242284] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 6957.242316] kthread (kernel/kthread.c:388) [ 6957.242343] ? __pfx_kthread (kernel/kthread.c:341) [ 6957.242369] ret_from_fork (arch/x86/kernel/process.c:147) [ 6957.242395] ? __pfx_kthread (kernel/kthread.c:341) [ 6957.242416] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 6957.242443] | [ 7020.243387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 7020.243566] rcu: 0-....: (7016476 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1577936 | [ 7020.243624] rcu: (t=7014333 jiffies g=-135 q=537 ncpus=4) [ 7020.243692] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7020.243751] Workqueue: mld mld_ifc_work [ 7020.243783] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7020.243818] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 7020.243914] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 7020.243945] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 7020.243988] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 7020.244028] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 7020.244067] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 7020.244105] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 7020.244146] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 7020.244190] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7020.244227] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 7020.244267] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7020.244310] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7020.244349] PKRU: 55555554 [ 7020.244361] Call Trace: [ 7020.244376] [ 7020.244394] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 7020.244428] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 7020.244460] ? notifier_call_chain (kernel/notifier.c:93) [ 7020.244491] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 7020.244522] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 7020.244553] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 7020.244584] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 7020.244615] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 7020.244640] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 7020.244671] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 7020.244702] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7020.244733] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7020.244763] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7020.244795] [ 7020.244807] [ 7020.244820] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7020.244852] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7020.244876] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 7020.244907] netdev_core_pick_tx (net/core/dev.c:4211) [ 7020.244933] __dev_queue_xmit (net/core/dev.c:4295) [ 7020.244961] ? eth_header (net/ethernet/eth.c:85) [ 7020.245005] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7020.245031] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7020.245063] mld_sendpack (net/ipv6/mcast.c:1822) [ 7020.245089] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7020.245114] process_one_work (kernel/workqueue.c:3254) [ 7020.245140] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7020.245172] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7020.245198] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7020.245231] kthread (kernel/kthread.c:388) [ 7020.245257] ? __pfx_kthread (kernel/kthread.c:341) [ 7020.245277] ret_from_fork (arch/x86/kernel/process.c:147) [ 7020.245303] ? __pfx_kthread (kernel/kthread.c:341) [ 7020.245324] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7020.245350] | [ 7083.246387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 7083.246567] rcu: 0-....: (7079479 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1592493 | [ 7083.246631] rcu: (t=7077336 jiffies g=-135 q=537 ncpus=4) [ 7083.246705] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7083.246769] Workqueue: mld mld_ifc_work [ 7083.246812] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7083.246845] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 7083.246945] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 7083.246977] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 7083.247024] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 7083.247064] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 7083.247105] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 7083.247145] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 7083.247189] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 7083.247234] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7083.247272] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 7083.247315] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7083.247360] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7083.247401] PKRU: 55555554 [ 7083.247425] Call Trace: [ 7083.247439] [ 7083.247459] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 7083.247492] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 7083.247524] ? notifier_call_chain (kernel/notifier.c:93) [ 7083.247555] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 7083.247586] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 7083.247618] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 7083.247649] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 7083.247680] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 7083.247705] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 7083.247731] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 7083.247757] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7083.247789] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7083.247819] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7083.247851] [ 7083.247864] [ 7083.247877] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7083.247908] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7083.247933] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 7083.247964] netdev_core_pick_tx (net/core/dev.c:4211) [ 7083.248006] __dev_queue_xmit (net/core/dev.c:4295) [ 7083.248032] ? eth_header (net/ethernet/eth.c:85) [ 7083.248058] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7083.248084] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7083.248117] mld_sendpack (net/ipv6/mcast.c:1822) [ 7083.248143] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7083.248169] process_one_work (kernel/workqueue.c:3254) [ 7083.248195] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7083.248227] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7083.248253] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7083.248285] kthread (kernel/kthread.c:388) [ 7083.248327] ? __pfx_kthread (kernel/kthread.c:341) [ 7083.248353] ret_from_fork (arch/x86/kernel/process.c:147) [ 7083.248380] ? __pfx_kthread (kernel/kthread.c:341) [ 7083.248401] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7083.248428] | [ 7146.249403] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 7146.249591] rcu: 0-....: (7142481 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1607049 | [ 7146.249658] rcu: (t=7140339 jiffies g=-135 q=537 ncpus=4) [ 7146.249732] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7146.249801] Workqueue: mld mld_ifc_work [ 7146.249835] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7146.249868] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 7146.249971] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 7146.250004] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 7146.250046] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 7146.250097] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 7146.250138] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 7146.250178] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 7146.250220] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 7146.250266] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7146.250304] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 7146.250346] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7146.250391] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7146.250432] PKRU: 55555554 [ 7146.250446] Call Trace: [ 7146.250461] [ 7146.250481] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 7146.250526] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 7146.250557] ? notifier_call_chain (kernel/notifier.c:93) [ 7146.250589] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 7146.250621] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 7146.250669] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 7146.250702] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 7146.250735] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 7146.250760] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 7146.250787] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 7146.250820] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7146.250853] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7146.250886] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7146.250919] [ 7146.250932] [ 7146.250946] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7146.250979] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7146.251005] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 7146.251037] netdev_core_pick_tx (net/core/dev.c:4211) [ 7146.251063] __dev_queue_xmit (net/core/dev.c:4295) [ 7146.251089] ? eth_header (net/ethernet/eth.c:85) [ 7146.251115] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7146.251141] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7146.251173] mld_sendpack (net/ipv6/mcast.c:1822) [ 7146.251199] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7146.251225] process_one_work (kernel/workqueue.c:3254) [ 7146.251251] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7146.251283] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7146.251309] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7146.251342] kthread (kernel/kthread.c:388) [ 7146.251367] ? __pfx_kthread (kernel/kthread.c:341) [ 7146.251393] ret_from_fork (arch/x86/kernel/process.c:147) [ 7146.251419] ? __pfx_kthread (kernel/kthread.c:341) [ 7146.251440] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7146.251467] | [ 7209.252396] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 7209.252564] rcu: 0-....: (7205483 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1621580 | [ 7209.252621] rcu: (t=7203342 jiffies g=-135 q=537 ncpus=4) [ 7209.252697] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7209.252756] Workqueue: mld mld_ifc_work [ 7209.252788] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7209.252840] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 7209.252942] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 7209.252975] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 7209.253016] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 7209.253056] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 7209.253097] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 7209.253138] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 7209.253180] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 7209.253226] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7209.253265] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 7209.253306] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7209.253351] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7209.253392] PKRU: 55555554 [ 7209.253406] Call Trace: [ 7209.253423] [ 7209.253447] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 7209.253483] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 7209.253516] ? notifier_call_chain (kernel/notifier.c:93) [ 7209.253549] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 7209.253582] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 7209.253615] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 7209.253648] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 7209.253681] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 7209.253707] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 7209.253734] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 7209.253767] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7209.253800] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7209.253848] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7209.253882] [ 7209.253895] [ 7209.253909] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7209.253943] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7209.253969] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 7209.254001] netdev_core_pick_tx (net/core/dev.c:4211) [ 7209.254039] __dev_queue_xmit (net/core/dev.c:4295) [ 7209.254065] ? eth_header (net/ethernet/eth.c:85) [ 7209.254091] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7209.254124] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7209.254174] mld_sendpack (net/ipv6/mcast.c:1822) [ 7209.254201] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7209.254227] process_one_work (kernel/workqueue.c:3254) [ 7209.254253] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7209.254287] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7209.254313] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7209.254346] kthread (kernel/kthread.c:388) [ 7209.254373] ? __pfx_kthread (kernel/kthread.c:341) [ 7209.254394] ret_from_fork (arch/x86/kernel/process.c:147) [ 7209.254421] ? __pfx_kthread (kernel/kthread.c:341) [ 7209.254449] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7209.254477] | [ 7272.255388] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 7272.255572] rcu: 0-....: (7268485 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1635788 | [ 7272.255635] rcu: (t=7266345 jiffies g=-135 q=537 ncpus=4) [ 7272.255715] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7272.255784] Workqueue: mld mld_ifc_work [ 7272.255819] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 7272.255855] 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 [ 7272.255958] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 7272.255991] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 7272.256032] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 7272.256074] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 7272.256115] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 7272.256157] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 7272.256201] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 7272.256247] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7272.256286] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 7272.256329] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7272.256375] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7272.256417] PKRU: 55555554 [ 7272.256430] Call Trace: [ 7272.256446] [ 7272.256465] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 7272.256501] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 7272.256535] ? notifier_call_chain (kernel/notifier.c:93) [ 7272.256568] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 7272.256601] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 7272.256635] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 7272.256668] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 7272.256702] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 7272.256728] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 7272.256756] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 7272.256789] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7272.256823] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7272.256856] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7272.256890] [ 7272.256904] [ 7272.256917] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7272.256952] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 7272.256977] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 7272.257010] netdev_core_pick_tx (net/core/dev.c:4211) [ 7272.257038] __dev_queue_xmit (net/core/dev.c:4295) [ 7272.257064] ? eth_header (net/ethernet/eth.c:85) [ 7272.257090] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7272.257117] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7272.257150] mld_sendpack (net/ipv6/mcast.c:1822) [ 7272.257177] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7272.257203] process_one_work (kernel/workqueue.c:3254) [ 7272.257229] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7272.257262] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7272.257289] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7272.257322] kthread (kernel/kthread.c:388) [ 7272.257349] ? __pfx_kthread (kernel/kthread.c:341) [ 7272.257375] ret_from_fork (arch/x86/kernel/process.c:147) [ 7272.257402] ? __pfx_kthread (kernel/kthread.c:341) [ 7272.257428] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7272.257455] | [ 7335.258403] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 7335.258517] rcu: 0-....: (7331487 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1649649 | [ 7335.258579] rcu: (t=7329348 jiffies g=-135 q=537 ncpus=4) [ 7335.258652] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7335.258715] Workqueue: mld mld_ifc_work [ 7335.258750] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7335.258787] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 7335.258889] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 7335.258922] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 7335.258970] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 7335.259011] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 7335.259052] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 7335.259094] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 7335.259138] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 7335.259184] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7335.259223] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 7335.259266] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7335.259313] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7335.259365] PKRU: 55555554 [ 7335.259378] Call Trace: [ 7335.259393] [ 7335.259413] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 7335.259448] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 7335.259480] ? notifier_call_chain (kernel/notifier.c:93) [ 7335.259513] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 7335.259563] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 7335.259596] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 7335.259629] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 7335.259663] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 7335.259689] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 7335.259723] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 7335.259751] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7335.259784] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7335.259817] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7335.259851] [ 7335.259865] [ 7335.259879] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7335.259913] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7335.259939] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 7335.259973] netdev_core_pick_tx (net/core/dev.c:4211) [ 7335.260000] __dev_queue_xmit (net/core/dev.c:4295) [ 7335.260027] ? eth_header (net/ethernet/eth.c:85) [ 7335.260053] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7335.260080] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7335.260114] mld_sendpack (net/ipv6/mcast.c:1822) [ 7335.260141] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7335.260167] process_one_work (kernel/workqueue.c:3254) [ 7335.260193] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7335.260226] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7335.260253] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7335.260285] kthread (kernel/kthread.c:388) [ 7335.260312] ? __pfx_kthread (kernel/kthread.c:341) [ 7335.260333] ret_from_fork (arch/x86/kernel/process.c:147) [ 7335.260360] ? __pfx_kthread (kernel/kthread.c:341) [ 7335.260381] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7335.260408] | [ 7398.261387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 7398.261567] rcu: 0-....: (7394489 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1663514 | [ 7398.261637] rcu: (t=7392351 jiffies g=-135 q=537 ncpus=4) [ 7398.261715] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7398.261784] Workqueue: mld mld_ifc_work [ 7398.261821] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7398.261858] 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) ... [ 7398.261958] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 7398.261991] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 7398.262032] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 7398.262072] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 7398.262113] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 7398.262154] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 7398.262196] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 7398.262243] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7398.262281] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 7398.262324] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7398.262369] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7398.262410] PKRU: 55555554 [ 7398.262424] Call Trace: [ 7398.262441] [ 7398.262463] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 7398.262500] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 7398.262533] ? notifier_call_chain (kernel/notifier.c:93) [ 7398.262566] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 7398.262599] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 7398.262631] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 7398.262664] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 7398.262696] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 7398.262723] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 7398.262755] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 7398.262788] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7398.262821] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7398.262868] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7398.262918] [ 7398.262934] [ 7398.262954] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7398.262996] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7398.263022] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 7398.263055] netdev_core_pick_tx (net/core/dev.c:4211) [ 7398.263082] __dev_queue_xmit (net/core/dev.c:4295) [ 7398.263109] ? eth_header (net/ethernet/eth.c:85) [ 7398.263135] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7398.263163] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7398.263195] mld_sendpack (net/ipv6/mcast.c:1822) [ 7398.263233] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7398.263264] process_one_work (kernel/workqueue.c:3254) [ 7398.263317] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7398.263367] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7398.263389] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7398.263422] kthread (kernel/kthread.c:388) [ 7398.263448] ? __pfx_kthread (kernel/kthread.c:341) [ 7398.263475] ret_from_fork (arch/x86/kernel/process.c:147) [ 7398.263501] ? __pfx_kthread (kernel/kthread.c:341) [ 7398.263527] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7398.263554] | [ 7461.264387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 7461.264588] rcu: 0-....: (7457491 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1677469 | [ 7461.264650] rcu: (t=7455354 jiffies g=-135 q=537 ncpus=4) [ 7461.264724] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7461.264787] Workqueue: mld mld_ifc_work [ 7461.264820] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7461.264857] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 7461.264960] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 7461.264993] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 7461.265034] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 7461.265075] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 7461.265118] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 7461.265159] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 7461.265202] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 7461.265249] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7461.265288] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 7461.265331] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7461.265377] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7461.265419] PKRU: 55555554 [ 7461.265433] Call Trace: [ 7461.265449] [ 7461.265469] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 7461.265505] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 7461.265539] ? notifier_call_chain (kernel/notifier.c:93) [ 7461.265583] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 7461.265632] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 7461.265666] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 7461.265699] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 7461.265733] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 7461.265759] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 7461.265787] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 7461.265821] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7461.265854] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7461.265888] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7461.265921] [ 7461.265935] [ 7461.265949] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7461.265983] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7461.266009] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 7461.266043] netdev_core_pick_tx (net/core/dev.c:4211) [ 7461.266070] __dev_queue_xmit (net/core/dev.c:4295) [ 7461.266096] ? eth_header (net/ethernet/eth.c:85) [ 7461.266123] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7461.266149] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7461.266183] mld_sendpack (net/ipv6/mcast.c:1822) [ 7461.266210] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7461.266236] process_one_work (kernel/workqueue.c:3254) [ 7461.266263] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7461.266296] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7461.266323] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7461.266356] kthread (kernel/kthread.c:388) [ 7461.266382] ? __pfx_kthread (kernel/kthread.c:341) [ 7461.266404] ret_from_fork (arch/x86/kernel/process.c:147) [ 7461.266430] ? __pfx_kthread (kernel/kthread.c:341) [ 7461.266451] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7461.266479] | [ 7524.267403] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 7524.267603] rcu: 0-....: (7520493 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1691637 | [ 7524.267663] rcu: (t=7518357 jiffies g=-135 q=537 ncpus=4) [ 7524.267735] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7524.267802] Workqueue: mld mld_ifc_work [ 7524.267835] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7524.267882] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 7524.267978] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 7524.268009] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 7524.268053] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 7524.268091] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 7524.268131] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 7524.268170] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 7524.268211] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 7524.268255] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7524.268291] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 7524.268331] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7524.268375] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7524.268413] PKRU: 55555554 [ 7524.268425] Call Trace: [ 7524.268439] [ 7524.268458] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 7524.268491] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 7524.268523] ? notifier_call_chain (kernel/notifier.c:93) [ 7524.268554] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 7524.268585] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 7524.268616] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 7524.268647] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 7524.268679] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 7524.268703] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 7524.268729] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 7524.268760] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7524.268792] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7524.268823] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7524.268853] [ 7524.268866] [ 7524.268879] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7524.268911] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7524.268935] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 7524.268966] netdev_core_pick_tx (net/core/dev.c:4211) [ 7524.268991] __dev_queue_xmit (net/core/dev.c:4295) [ 7524.269015] ? eth_header (net/ethernet/eth.c:85) [ 7524.269040] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7524.269065] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7524.269096] mld_sendpack (net/ipv6/mcast.c:1822) [ 7524.269121] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7524.269145] process_one_work (kernel/workqueue.c:3254) [ 7524.269170] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7524.269201] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7524.269226] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7524.269257] kthread (kernel/kthread.c:388) [ 7524.269282] ? __pfx_kthread (kernel/kthread.c:341) [ 7524.269301] ret_from_fork (arch/x86/kernel/process.c:147) [ 7524.269326] ? __pfx_kthread (kernel/kthread.c:341) [ 7524.269350] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7524.269376] | [ 7587.270387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 7587.270560] rcu: 0-....: (7583495 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1706184 | [ 7587.270621] rcu: (t=7581360 jiffies g=-135 q=537 ncpus=4) [ 7587.270706] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7587.270767] Workqueue: mld mld_ifc_work [ 7587.270800] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7587.270836] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 7587.270935] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 7587.270967] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 7587.271007] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 7587.271047] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 7587.271100] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 7587.271141] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 7587.271207] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 7587.271252] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7587.271290] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 7587.271331] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7587.271375] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7587.271416] PKRU: 55555554 [ 7587.271429] Call Trace: [ 7587.271444] [ 7587.271463] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 7587.271502] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 7587.271534] ? notifier_call_chain (kernel/notifier.c:93) [ 7587.271566] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 7587.271598] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 7587.271630] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 7587.271663] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 7587.271695] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 7587.271720] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 7587.271752] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 7587.271784] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7587.271816] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7587.271848] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7587.271881] [ 7587.271894] [ 7587.271907] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7587.271940] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7587.271965] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 7587.271997] netdev_core_pick_tx (net/core/dev.c:4211) [ 7587.272023] __dev_queue_xmit (net/core/dev.c:4295) [ 7587.272048] ? eth_header (net/ethernet/eth.c:85) [ 7587.272074] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7587.272100] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7587.272132] mld_sendpack (net/ipv6/mcast.c:1822) [ 7587.272158] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7587.272183] process_one_work (kernel/workqueue.c:3254) [ 7587.272208] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7587.272240] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7587.272265] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7587.272297] kthread (kernel/kthread.c:388) [ 7587.272323] ? __pfx_kthread (kernel/kthread.c:341) [ 7587.272348] ret_from_fork (arch/x86/kernel/process.c:147) [ 7587.272374] ? __pfx_kthread (kernel/kthread.c:341) [ 7587.272406] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7587.272450] | [ 7650.273387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 7650.273577] rcu: 0-....: (7646497 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1720554 | [ 7650.273643] rcu: (t=7644363 jiffies g=-135 q=537 ncpus=4) [ 7650.273720] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7650.273789] Workqueue: mld mld_ifc_work [ 7650.273821] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7650.273858] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 7650.273962] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 7650.273995] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 7650.274037] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 7650.274078] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 7650.274120] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 7650.274161] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 7650.274206] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 7650.274252] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7650.274292] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 7650.274335] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7650.274381] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7650.274422] PKRU: 55555554 [ 7650.274436] Call Trace: [ 7650.274452] [ 7650.274471] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 7650.274507] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 7650.274541] ? notifier_call_chain (kernel/notifier.c:93) [ 7650.274574] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 7650.274608] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 7650.274641] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 7650.274675] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 7650.274708] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 7650.274734] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 7650.274762] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 7650.274790] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7650.274823] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7650.274856] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7650.274889] [ 7650.274903] [ 7650.274917] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7650.274952] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7650.274978] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 7650.275012] netdev_core_pick_tx (net/core/dev.c:4211) [ 7650.275039] __dev_queue_xmit (net/core/dev.c:4295) [ 7650.275066] ? eth_header (net/ethernet/eth.c:85) [ 7650.275092] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7650.275119] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7650.275152] mld_sendpack (net/ipv6/mcast.c:1822) [ 7650.275179] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7650.275205] process_one_work (kernel/workqueue.c:3254) [ 7650.275231] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7650.275264] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7650.275291] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7650.275324] kthread (kernel/kthread.c:388) [ 7650.275354] ? __pfx_kthread (kernel/kthread.c:341) [ 7650.275380] ret_from_fork (arch/x86/kernel/process.c:147) [ 7650.275406] ? __pfx_kthread (kernel/kthread.c:341) [ 7650.275433] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7650.275460] | [ 7713.276395] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 7713.276510] rcu: 0-....: (7709499 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1734595 | [ 7713.276571] rcu: (t=7707366 jiffies g=-135 q=537 ncpus=4) [ 7713.276650] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7713.276718] Workqueue: mld mld_ifc_work [ 7713.276751] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7713.276788] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 7713.276888] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 7713.276922] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 7713.276963] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 7713.277004] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 7713.277045] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 7713.277086] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 7713.277129] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 7713.277175] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7713.277214] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 7713.277256] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7713.277302] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7713.277343] PKRU: 55555554 [ 7713.277357] Call Trace: [ 7713.277375] [ 7713.277399] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 7713.277435] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 7713.277468] ? notifier_call_chain (kernel/notifier.c:93) [ 7713.277502] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 7713.277535] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 7713.277568] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 7713.277601] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 7713.277634] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 7713.277660] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 7713.277693] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 7713.277726] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7713.277759] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7713.277793] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7713.277825] [ 7713.277839] [ 7713.277853] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7713.277887] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7713.277912] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 7713.277945] netdev_core_pick_tx (net/core/dev.c:4211) [ 7713.277972] __dev_queue_xmit (net/core/dev.c:4295) [ 7713.277998] ? eth_header (net/ethernet/eth.c:85) [ 7713.278025] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7713.278051] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7713.278084] mld_sendpack (net/ipv6/mcast.c:1822) [ 7713.278111] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7713.278136] process_one_work (kernel/workqueue.c:3254) [ 7713.278163] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7713.278196] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7713.278222] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7713.278255] kthread (kernel/kthread.c:388) [ 7713.278281] ? __pfx_kthread (kernel/kthread.c:341) [ 7713.278308] ret_from_fork (arch/x86/kernel/process.c:147) [ 7713.278334] ? __pfx_kthread (kernel/kthread.c:341) [ 7713.278360] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7713.278387] | [ 7776.279387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 7776.279588] rcu: 0-....: (7772501 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1748516 | [ 7776.279650] rcu: (t=7770369 jiffies g=-135 q=537 ncpus=4) [ 7776.279731] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7776.279799] Workqueue: mld mld_ifc_work [ 7776.279835] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7776.279871] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 7776.279974] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 7776.280008] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 7776.280050] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 7776.280097] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 7776.280139] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 7776.280180] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 7776.280223] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 7776.280270] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7776.280310] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 7776.280352] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7776.280398] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7776.280440] PKRU: 55555554 [ 7776.280454] Call Trace: [ 7776.280469] [ 7776.280489] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 7776.280526] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 7776.280559] ? notifier_call_chain (kernel/notifier.c:93) [ 7776.280593] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 7776.280626] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 7776.280660] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 7776.280693] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 7776.280726] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 7776.280753] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 7776.280780] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 7776.280814] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7776.280847] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7776.280880] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7776.280913] [ 7776.280927] [ 7776.280941] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7776.280975] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7776.281001] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 7776.281034] netdev_core_pick_tx (net/core/dev.c:4211) [ 7776.281061] __dev_queue_xmit (net/core/dev.c:4295) [ 7776.281088] ? eth_header (net/ethernet/eth.c:85) [ 7776.281114] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7776.281141] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7776.281175] mld_sendpack (net/ipv6/mcast.c:1822) [ 7776.281201] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7776.281228] process_one_work (kernel/workqueue.c:3254) [ 7776.281254] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7776.281287] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7776.281313] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7776.281347] kthread (kernel/kthread.c:388) [ 7776.281373] ? __pfx_kthread (kernel/kthread.c:341) [ 7776.281393] ret_from_fork (arch/x86/kernel/process.c:147) [ 7776.281420] ? __pfx_kthread (kernel/kthread.c:341) [ 7776.281441] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7776.281468] | [ 7839.282388] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 7839.282571] rcu: 0-....: (7835503 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1762538 | [ 7839.282631] rcu: (t=7833372 jiffies g=-135 q=537 ncpus=4) [ 7839.282699] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7839.282766] Workqueue: mld mld_ifc_work [ 7839.282805] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7839.282840] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 7839.282940] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 7839.282973] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 7839.283018] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 7839.283058] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 7839.283099] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 7839.283139] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 7839.283182] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 7839.283244] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7839.283283] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 7839.283326] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7839.283372] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7839.283414] PKRU: 55555554 [ 7839.283428] Call Trace: [ 7839.283443] [ 7839.283462] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 7839.283499] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 7839.283533] ? notifier_call_chain (kernel/notifier.c:93) [ 7839.283567] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 7839.283600] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 7839.283634] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 7839.283667] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 7839.283700] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 7839.283726] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 7839.283754] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 7839.283782] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7839.283816] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7839.283849] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7839.283882] [ 7839.283895] [ 7839.283910] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7839.283944] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7839.283970] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 7839.284003] netdev_core_pick_tx (net/core/dev.c:4211) [ 7839.284030] __dev_queue_xmit (net/core/dev.c:4295) [ 7839.284057] ? eth_header (net/ethernet/eth.c:85) [ 7839.284083] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7839.284110] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7839.284144] mld_sendpack (net/ipv6/mcast.c:1822) [ 7839.284170] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7839.284196] process_one_work (kernel/workqueue.c:3254) [ 7839.284222] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7839.284255] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7839.284282] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7839.284315] kthread (kernel/kthread.c:388) [ 7839.284342] ? __pfx_kthread (kernel/kthread.c:341) [ 7839.284369] ret_from_fork (arch/x86/kernel/process.c:147) [ 7839.284395] ? __pfx_kthread (kernel/kthread.c:341) [ 7839.284421] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7839.284448] | [ 7902.285397] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 7902.285578] rcu: 0-....: (7898505 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1776632 | [ 7902.285639] rcu: (t=7896375 jiffies g=-135 q=537 ncpus=4) [ 7902.285718] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7902.285787] Workqueue: mld mld_ifc_work [ 7902.285823] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7902.285858] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 7902.285959] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 7902.285992] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 7902.286033] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 7902.286074] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 7902.286114] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 7902.286155] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 7902.286198] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 7902.286243] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7902.286282] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 7902.286324] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7902.286368] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7902.286408] PKRU: 55555554 [ 7902.286422] Call Trace: [ 7902.286438] [ 7902.286460] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 7902.286495] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 7902.286528] ? notifier_call_chain (kernel/notifier.c:93) [ 7902.286560] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 7902.286592] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 7902.286625] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 7902.286657] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 7902.286689] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 7902.286715] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 7902.286742] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 7902.286769] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7902.286802] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7902.286834] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7902.286866] [ 7902.286879] [ 7902.286893] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7902.286926] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7902.286951] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 7902.286983] netdev_core_pick_tx (net/core/dev.c:4211) [ 7902.287010] __dev_queue_xmit (net/core/dev.c:4295) [ 7902.287036] ? eth_header (net/ethernet/eth.c:85) [ 7902.287061] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7902.287087] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7902.287120] mld_sendpack (net/ipv6/mcast.c:1822) [ 7902.287146] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7902.287171] process_one_work (kernel/workqueue.c:3254) [ 7902.287197] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7902.287228] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7902.287254] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7902.287302] kthread (kernel/kthread.c:388) [ 7902.287329] ? __pfx_kthread (kernel/kthread.c:341) [ 7902.287355] ret_from_fork (arch/x86/kernel/process.c:147) [ 7902.287382] ? __pfx_kthread (kernel/kthread.c:341) [ 7902.287408] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7902.287436] | [ 7965.288387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 7965.288565] rcu: 0-....: (7961507 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1790513 | [ 7965.288626] rcu: (t=7959378 jiffies g=-135 q=537 ncpus=4) [ 7965.288706] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 7965.288771] Workqueue: mld mld_ifc_work [ 7965.288806] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7965.288842] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 7965.288945] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 7965.288978] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 7965.289020] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 7965.289060] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 7965.289102] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 7965.289143] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 7965.289187] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 7965.289233] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 7965.289273] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 7965.289316] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 7965.289362] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 7965.289404] PKRU: 55555554 [ 7965.289418] Call Trace: [ 7965.289433] [ 7965.289453] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 7965.289490] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 7965.289523] ? notifier_call_chain (kernel/notifier.c:93) [ 7965.289557] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 7965.289590] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 7965.289624] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 7965.289656] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 7965.289690] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 7965.289716] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 7965.289744] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 7965.289777] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 7965.289810] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 7965.289843] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 7965.289876] [ 7965.289890] [ 7965.289903] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 7965.289937] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 7965.289964] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 7965.289997] netdev_core_pick_tx (net/core/dev.c:4211) [ 7965.290024] __dev_queue_xmit (net/core/dev.c:4295) [ 7965.290050] ? eth_header (net/ethernet/eth.c:85) [ 7965.290076] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 7965.290103] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 7965.290136] mld_sendpack (net/ipv6/mcast.c:1822) [ 7965.290163] mld_ifc_work (net/ipv6/mcast.c:2652) [ 7965.290189] process_one_work (kernel/workqueue.c:3254) [ 7965.290215] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7965.290248] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 7965.290275] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 7965.290308] kthread (kernel/kthread.c:388) [ 7965.290335] ? __pfx_kthread (kernel/kthread.c:341) [ 7965.290356] ret_from_fork (arch/x86/kernel/process.c:147) [ 7965.290382] ? __pfx_kthread (kernel/kthread.c:341) [ 7965.290403] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 7965.290430] | [ 8028.291387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 8028.291574] rcu: 0-....: (8024509 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1804719 | [ 8028.291637] rcu: (t=8022381 jiffies g=-135 q=537 ncpus=4) [ 8028.291720] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8028.291782] Workqueue: mld mld_ifc_work [ 8028.291813] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 8028.291849] 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 [ 8028.291949] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 8028.291982] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 8028.292027] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 8028.292068] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 8028.292109] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 8028.292149] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 8028.292208] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 8028.292255] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8028.292294] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 8028.292337] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8028.292383] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8028.292425] PKRU: 55555554 [ 8028.292438] Call Trace: [ 8028.292453] [ 8028.292474] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 8028.292514] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 8028.292558] ? notifier_call_chain (kernel/notifier.c:93) [ 8028.292591] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 8028.292624] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 8028.292656] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 8028.292688] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 8028.292720] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 8028.292746] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 8028.292779] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 8028.292806] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8028.292839] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8028.292871] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8028.292903] [ 8028.292916] [ 8028.292930] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8028.292963] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 8028.292988] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 8028.293020] netdev_core_pick_tx (net/core/dev.c:4211) [ 8028.293046] __dev_queue_xmit (net/core/dev.c:4295) [ 8028.293072] ? eth_header (net/ethernet/eth.c:85) [ 8028.293098] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8028.293124] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8028.293156] mld_sendpack (net/ipv6/mcast.c:1822) [ 8028.293182] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8028.293208] process_one_work (kernel/workqueue.c:3254) [ 8028.293233] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8028.293265] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8028.293291] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8028.293323] kthread (kernel/kthread.c:388) [ 8028.293349] ? __pfx_kthread (kernel/kthread.c:341) [ 8028.293374] ret_from_fork (arch/x86/kernel/process.c:147) [ 8028.293400] ? __pfx_kthread (kernel/kthread.c:341) [ 8028.293420] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8028.293447] | [ 8091.294387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 8091.294495] rcu: 0-....: (8087511 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1818551 | [ 8091.294556] rcu: (t=8085384 jiffies g=-135 q=537 ncpus=4) [ 8091.294648] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8091.294716] Workqueue: mld mld_ifc_work [ 8091.294750] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8091.294786] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 8091.294903] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 8091.294937] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 8091.294979] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 8091.295020] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 8091.295061] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 8091.295103] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 8091.295164] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 8091.295211] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8091.295250] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 8091.295293] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8091.295339] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8091.295381] PKRU: 55555554 [ 8091.295394] Call Trace: [ 8091.295409] [ 8091.295429] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 8091.295478] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 8091.295516] ? notifier_call_chain (kernel/notifier.c:93) [ 8091.295550] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 8091.295582] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 8091.295616] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 8091.295649] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 8091.295682] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 8091.295708] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 8091.295735] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 8091.295763] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8091.295804] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8091.295842] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8091.295876] [ 8091.295889] [ 8091.295903] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8091.295937] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8091.295962] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 8091.295995] netdev_core_pick_tx (net/core/dev.c:4211) [ 8091.296022] __dev_queue_xmit (net/core/dev.c:4295) [ 8091.296047] ? eth_header (net/ethernet/eth.c:85) [ 8091.296082] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8091.296110] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8091.296144] mld_sendpack (net/ipv6/mcast.c:1822) [ 8091.296170] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8091.296196] process_one_work (kernel/workqueue.c:3254) [ 8091.296223] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8091.296256] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8091.296283] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8091.296324] kthread (kernel/kthread.c:388) [ 8091.296356] ? __pfx_kthread (kernel/kthread.c:341) [ 8091.296377] ret_from_fork (arch/x86/kernel/process.c:147) [ 8091.296404] ? __pfx_kthread (kernel/kthread.c:341) [ 8091.296430] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8091.296458] | [ 8154.297387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 8154.297506] rcu: 0-....: (8150513 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1832231 | [ 8154.297571] rcu: (t=8148387 jiffies g=-135 q=537 ncpus=4) [ 8154.297644] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8154.297712] Workqueue: mld mld_ifc_work [ 8154.297749] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8154.297783] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 8154.297909] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 8154.297942] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 8154.297990] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 8154.298031] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 8154.298073] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 8154.298115] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 8154.298169] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 8154.298232] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8154.298273] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 8154.298316] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8154.298361] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8154.298403] PKRU: 55555554 [ 8154.298417] Call Trace: [ 8154.298432] [ 8154.298451] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 8154.298488] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 8154.298521] ? notifier_call_chain (kernel/notifier.c:93) [ 8154.298559] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 8154.298604] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 8154.298637] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 8154.298670] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 8154.298704] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 8154.298730] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 8154.298763] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 8154.298796] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8154.298829] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8154.298872] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8154.298906] [ 8154.298920] [ 8154.298934] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8154.298968] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8154.298994] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 8154.299026] netdev_core_pick_tx (net/core/dev.c:4211) [ 8154.299053] __dev_queue_xmit (net/core/dev.c:4295) [ 8154.299079] ? eth_header (net/ethernet/eth.c:85) [ 8154.299110] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8154.299147] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8154.299180] mld_sendpack (net/ipv6/mcast.c:1822) [ 8154.299207] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8154.299233] process_one_work (kernel/workqueue.c:3254) [ 8154.299259] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8154.299292] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8154.299319] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8154.299352] kthread (kernel/kthread.c:388) [ 8154.299379] ? __pfx_kthread (kernel/kthread.c:341) [ 8154.299405] ret_from_fork (arch/x86/kernel/process.c:147) [ 8154.299439] ? __pfx_kthread (kernel/kthread.c:341) [ 8154.299474] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8154.299505] | [ 8217.300400] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 8217.300575] rcu: 0-....: (8213515 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1845889 | [ 8217.300637] rcu: (t=8211390 jiffies g=-135 q=537 ncpus=4) [ 8217.300717] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8217.300787] Workqueue: mld mld_ifc_work [ 8217.300820] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 8217.300859] 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 [ 8217.300961] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 8217.300994] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 8217.301036] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 8217.301078] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 8217.301120] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 8217.301162] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 8217.301205] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 8217.301251] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8217.301290] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 8217.301333] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8217.301379] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8217.301421] PKRU: 55555554 [ 8217.301435] Call Trace: [ 8217.301453] [ 8217.301479] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 8217.301517] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 8217.301551] ? notifier_call_chain (kernel/notifier.c:93) [ 8217.301584] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 8217.301617] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 8217.301650] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 8217.301684] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 8217.301717] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 8217.301743] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 8217.301771] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 8217.301805] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8217.301838] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8217.301872] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8217.301905] [ 8217.301919] [ 8217.301933] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8217.301967] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 8217.301993] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 8217.302025] netdev_core_pick_tx (net/core/dev.c:4211) [ 8217.302052] __dev_queue_xmit (net/core/dev.c:4295) [ 8217.302079] ? eth_header (net/ethernet/eth.c:85) [ 8217.302105] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8217.302132] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8217.302165] mld_sendpack (net/ipv6/mcast.c:1822) [ 8217.302192] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8217.302218] process_one_work (kernel/workqueue.c:3254) [ 8217.302244] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8217.302278] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8217.302304] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8217.302338] kthread (kernel/kthread.c:388) [ 8217.302365] ? __pfx_kthread (kernel/kthread.c:341) [ 8217.302391] ret_from_fork (arch/x86/kernel/process.c:147) [ 8217.302418] ? __pfx_kthread (kernel/kthread.c:341) [ 8217.302438] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8217.302465] | [ 8280.303403] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 8280.303525] rcu: 0-....: (8276517 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1859595 | [ 8280.303589] rcu: (t=8274393 jiffies g=-135 q=537 ncpus=4) [ 8280.303667] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8280.303736] Workqueue: mld mld_ifc_work [ 8280.303782] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8280.303817] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 8280.303937] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 8280.303971] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 8280.304012] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 8280.304054] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 8280.304096] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 8280.304148] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 8280.304191] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 8280.304236] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8280.304275] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 8280.304317] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8280.304362] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8280.304403] PKRU: 55555554 [ 8280.304417] Call Trace: [ 8280.304432] [ 8280.304451] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 8280.304486] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 8280.304518] ? notifier_call_chain (kernel/notifier.c:93) [ 8280.304551] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 8280.304584] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 8280.304617] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 8280.304650] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 8280.304682] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 8280.304725] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 8280.304754] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 8280.304782] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8280.304815] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8280.304848] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8280.304882] [ 8280.304896] [ 8280.304910] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8280.304944] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8280.304970] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 8280.305003] netdev_core_pick_tx (net/core/dev.c:4211) [ 8280.305030] __dev_queue_xmit (net/core/dev.c:4295) [ 8280.305056] ? eth_header (net/ethernet/eth.c:85) [ 8280.305083] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8280.305109] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8280.305142] mld_sendpack (net/ipv6/mcast.c:1822) [ 8280.305169] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8280.305196] process_one_work (kernel/workqueue.c:3254) [ 8280.305222] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8280.305256] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8280.305283] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8280.305316] kthread (kernel/kthread.c:388) [ 8280.305343] ? __pfx_kthread (kernel/kthread.c:341) [ 8280.305369] ret_from_fork (arch/x86/kernel/process.c:147) [ 8280.305396] ? __pfx_kthread (kernel/kthread.c:341) [ 8280.305416] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8280.305444] | [ 8343.306388] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 8343.306557] rcu: 0-....: (8339519 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1873339 | [ 8343.306619] rcu: (t=8337396 jiffies g=-135 q=537 ncpus=4) [ 8343.306694] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8343.306763] Workqueue: mld mld_ifc_work [ 8343.306797] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8343.306834] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 8343.306936] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 8343.306970] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 8343.307017] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 8343.307059] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 8343.307101] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 8343.307142] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 8343.307186] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 8343.307233] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8343.307273] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 8343.307315] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8343.307361] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8343.307403] PKRU: 55555554 [ 8343.307417] Call Trace: [ 8343.307432] [ 8343.307453] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 8343.307489] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 8343.307522] ? notifier_call_chain (kernel/notifier.c:93) [ 8343.307555] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 8343.307589] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 8343.307622] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 8343.307656] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 8343.307690] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 8343.307716] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 8343.307749] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 8343.307778] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8343.307811] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8343.307844] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8343.307877] [ 8343.307891] [ 8343.307905] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8343.307940] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8343.307966] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 8343.307999] netdev_core_pick_tx (net/core/dev.c:4211) [ 8343.308026] __dev_queue_xmit (net/core/dev.c:4295) [ 8343.308052] ? eth_header (net/ethernet/eth.c:85) [ 8343.308079] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8343.308106] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8343.308139] mld_sendpack (net/ipv6/mcast.c:1822) [ 8343.308166] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8343.308192] process_one_work (kernel/workqueue.c:3254) [ 8343.308218] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8343.308252] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8343.308279] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8343.308312] kthread (kernel/kthread.c:388) [ 8343.308339] ? __pfx_kthread (kernel/kthread.c:341) [ 8343.308365] ret_from_fork (arch/x86/kernel/process.c:147) [ 8343.308392] ? __pfx_kthread (kernel/kthread.c:341) [ 8343.308418] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8343.308446] | [ 8406.309387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 8406.309576] rcu: 0-....: (8402521 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1887058 | [ 8406.309639] rcu: (t=8400399 jiffies g=-135 q=537 ncpus=4) [ 8406.309719] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8406.309790] Workqueue: mld mld_ifc_work [ 8406.309827] RIP: 0010:team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 8406.309863] 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 [ 8406.309966] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 8406.309999] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 8406.310041] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 8406.310089] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 8406.310130] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 8406.310172] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 8406.310215] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 8406.310262] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8406.310301] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 8406.310344] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8406.310391] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8406.310433] PKRU: 55555554 [ 8406.310447] Call Trace: [ 8406.310463] [ 8406.310485] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 8406.310524] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 8406.310557] ? notifier_call_chain (kernel/notifier.c:93) [ 8406.310590] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 8406.310624] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 8406.310656] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 8406.310690] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 8406.310723] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 8406.310749] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 8406.310783] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 8406.310816] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8406.310850] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8406.310883] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8406.310917] [ 8406.310931] [ 8406.310945] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8406.310979] ? team_select_queue (drivers/net/team/team.c:1754 (discriminator 1)) [ 8406.311005] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 8406.311038] netdev_core_pick_tx (net/core/dev.c:4211) [ 8406.311065] __dev_queue_xmit (net/core/dev.c:4295) [ 8406.311092] ? eth_header (net/ethernet/eth.c:85) [ 8406.311118] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8406.311145] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8406.311178] mld_sendpack (net/ipv6/mcast.c:1822) [ 8406.311205] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8406.311230] process_one_work (kernel/workqueue.c:3254) [ 8406.311257] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8406.311290] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8406.311317] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8406.311350] kthread (kernel/kthread.c:388) [ 8406.311377] ? __pfx_kthread (kernel/kthread.c:341) [ 8406.311404] ret_from_fork (arch/x86/kernel/process.c:147) [ 8406.311430] ? __pfx_kthread (kernel/kthread.c:341) [ 8406.311456] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8406.311483] | [ 8469.312387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 8469.312572] rcu: 0-....: (8465523 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1901187 | [ 8469.312635] rcu: (t=8463402 jiffies g=-135 q=537 ncpus=4) [ 8469.312709] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8469.312773] Workqueue: mld mld_ifc_work [ 8469.312806] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8469.312842] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 8469.312945] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 8469.312979] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 8469.313021] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 8469.313069] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 8469.313110] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 8469.313152] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 8469.313196] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 8469.313243] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8469.313283] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 8469.313326] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8469.313372] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8469.313414] PKRU: 55555554 [ 8469.313427] Call Trace: [ 8469.313443] [ 8469.313463] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 8469.313499] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 8469.313533] ? notifier_call_chain (kernel/notifier.c:93) [ 8469.313567] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 8469.313600] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 8469.313634] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 8469.313668] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 8469.313701] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 8469.313728] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 8469.313756] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 8469.313784] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8469.313818] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8469.313851] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8469.313885] [ 8469.313899] [ 8469.313913] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8469.313948] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8469.313973] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 8469.314007] netdev_core_pick_tx (net/core/dev.c:4211) [ 8469.314034] __dev_queue_xmit (net/core/dev.c:4295) [ 8469.314060] ? eth_header (net/ethernet/eth.c:85) [ 8469.314087] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8469.314114] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8469.314147] mld_sendpack (net/ipv6/mcast.c:1822) [ 8469.314174] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8469.314200] process_one_work (kernel/workqueue.c:3254) [ 8469.314226] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8469.314260] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8469.314287] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8469.314320] kthread (kernel/kthread.c:388) [ 8469.314347] ? __pfx_kthread (kernel/kthread.c:341) [ 8469.314373] ret_from_fork (arch/x86/kernel/process.c:147) [ 8469.314400] ? __pfx_kthread (kernel/kthread.c:341) [ 8469.314420] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8469.314448] | [ 8532.315386] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 8532.315591] rcu: 0-....: (8528412 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1916198 | [ 8532.315649] rcu: (t=8526405 jiffies g=-135 q=537 ncpus=4) [ 8532.315718] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8532.315783] Workqueue: mld mld_ifc_work [ 8532.315814] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8532.315849] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 8532.315944] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 8532.315976] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 8532.316020] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 8532.316058] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 8532.316097] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 8532.316142] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 8532.316182] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 8532.316225] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8532.316262] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 8532.316302] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8532.316345] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8532.316383] PKRU: 55555554 [ 8532.316396] Call Trace: [ 8532.316411] [ 8532.316430] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 8532.316464] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 8532.316495] ? notifier_call_chain (kernel/notifier.c:93) [ 8532.316527] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 8532.316558] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 8532.316589] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 8532.316621] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 8532.316652] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 8532.316677] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 8532.316709] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 8532.316740] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8532.316772] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8532.316803] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8532.316835] [ 8532.316848] [ 8532.316860] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8532.316892] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8532.316916] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 8532.316947] netdev_core_pick_tx (net/core/dev.c:4211) [ 8532.316973] __dev_queue_xmit (net/core/dev.c:4295) [ 8532.316998] ? eth_header (net/ethernet/eth.c:85) [ 8532.317023] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8532.317048] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8532.317079] mld_sendpack (net/ipv6/mcast.c:1822) [ 8532.317105] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8532.317129] process_one_work (kernel/workqueue.c:3254) [ 8532.317154] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8532.317185] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8532.317210] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8532.317242] kthread (kernel/kthread.c:388) [ 8532.317267] ? __pfx_kthread (kernel/kthread.c:341) [ 8532.317292] ret_from_fork (arch/x86/kernel/process.c:147) [ 8532.317317] ? __pfx_kthread (kernel/kthread.c:341) [ 8532.317342] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8532.317368] | [ 8595.318387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 8595.318502] rcu: 0-....: (8591414 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1931309 | [ 8595.318565] rcu: (t=8589408 jiffies g=-135 q=537 ncpus=4) [ 8595.318639] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8595.318702] Workqueue: mld mld_ifc_work [ 8595.318737] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8595.318772] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 8595.318872] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 8595.318905] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 8595.318952] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 8595.318992] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 8595.319034] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 8595.319075] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 8595.319118] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 8595.319164] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8595.319203] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 8595.319246] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8595.319292] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8595.319332] PKRU: 55555554 [ 8595.319346] Call Trace: [ 8595.319361] [ 8595.319382] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 8595.319420] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 8595.319454] ? notifier_call_chain (kernel/notifier.c:93) [ 8595.319487] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 8595.319521] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 8595.319553] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 8595.319586] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 8595.319620] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 8595.319646] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 8595.319674] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 8595.319702] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8595.319734] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8595.319767] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8595.319801] [ 8595.319815] [ 8595.319829] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8595.319863] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8595.319888] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 8595.319921] netdev_core_pick_tx (net/core/dev.c:4211) [ 8595.319948] __dev_queue_xmit (net/core/dev.c:4295) [ 8595.319974] ? eth_header (net/ethernet/eth.c:85) [ 8595.320000] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8595.320027] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8595.320060] mld_sendpack (net/ipv6/mcast.c:1822) [ 8595.320087] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8595.320113] process_one_work (kernel/workqueue.c:3254) [ 8595.320139] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8595.320172] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8595.320199] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8595.320232] kthread (kernel/kthread.c:388) [ 8595.320258] ? __pfx_kthread (kernel/kthread.c:341) [ 8595.320284] ret_from_fork (arch/x86/kernel/process.c:147) [ 8595.320310] ? __pfx_kthread (kernel/kthread.c:341) [ 8595.320337] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8595.320363] | [ 8658.321389] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 8658.321594] rcu: 0-....: (8654417 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1945579 | [ 8658.321664] rcu: (t=8652411 jiffies g=-135 q=537 ncpus=4) [ 8658.321752] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8658.321822] Workqueue: mld mld_ifc_work [ 8658.321860] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8658.321902] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 8658.322006] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 8658.322040] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 8658.322088] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 8658.322137] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 8658.322185] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 8658.322234] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 8658.322284] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 8658.322337] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8658.322378] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 8658.322428] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8658.322475] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8658.322524] PKRU: 55555554 [ 8658.322545] Call Trace: [ 8658.322568] [ 8658.322588] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 8658.322630] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 8658.322664] ? notifier_call_chain (kernel/notifier.c:93) [ 8658.322698] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 8658.322738] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 8658.322772] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 8658.322807] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 8658.322848] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 8658.322880] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 8658.322916] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 8658.322950] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8658.322985] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8658.323020] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8658.323054] [ 8658.323075] [ 8658.323096] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8658.323131] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8658.323159] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 8658.323193] netdev_core_pick_tx (net/core/dev.c:4211) [ 8658.323224] __dev_queue_xmit (net/core/dev.c:4295) [ 8658.323251] ? eth_header (net/ethernet/eth.c:85) [ 8658.323283] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8658.323315] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8658.323349] mld_sendpack (net/ipv6/mcast.c:1822) [ 8658.323376] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8658.323403] process_one_work (kernel/workqueue.c:3254) [ 8658.323435] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8658.323468] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8658.323495] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8658.323529] kthread (kernel/kthread.c:388) [ 8658.323556] ? __pfx_kthread (kernel/kthread.c:341) [ 8658.323582] ret_from_fork (arch/x86/kernel/process.c:147) [ 8658.323610] ? __pfx_kthread (kernel/kthread.c:341) [ 8658.323636] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8658.323665] | [ 8721.324400] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 8721.324523] rcu: 0-....: (8717419 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1959520 | [ 8721.324591] rcu: (t=8715414 jiffies g=-135 q=537 ncpus=4) [ 8721.324676] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8721.324747] Workqueue: mld mld_ifc_work [ 8721.324785] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8721.324829] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 8721.324936] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 8721.324970] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 8721.325018] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 8721.325066] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 8721.325114] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 8721.325162] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 8721.325211] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 8721.325259] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8721.325299] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 8721.325348] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8721.325395] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8721.325443] PKRU: 55555554 [ 8721.325463] Call Trace: [ 8721.325487] [ 8721.325518] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 8721.325559] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 8721.325593] ? notifier_call_chain (kernel/notifier.c:93) [ 8721.325631] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 8721.325669] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 8721.325704] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 8721.325742] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 8721.325782] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 8721.325816] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 8721.325851] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 8721.325886] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8721.325927] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8721.325961] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8721.325996] [ 8721.326017] [ 8721.326031] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8721.326071] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8721.326098] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 8721.326132] netdev_core_pick_tx (net/core/dev.c:4211) [ 8721.326164] __dev_queue_xmit (net/core/dev.c:4295) [ 8721.326191] ? eth_header (net/ethernet/eth.c:85) [ 8721.326223] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8721.326254] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8721.326288] mld_sendpack (net/ipv6/mcast.c:1822) [ 8721.326317] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8721.326344] process_one_work (kernel/workqueue.c:3254) [ 8721.326377] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8721.326411] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8721.326439] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8721.326473] kthread (kernel/kthread.c:388) [ 8721.326500] ? __pfx_kthread (kernel/kthread.c:341) [ 8721.326527] ret_from_fork (arch/x86/kernel/process.c:147) [ 8721.326558] ? __pfx_kthread (kernel/kthread.c:341) [ 8721.326584] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8721.326613] | [ 8784.327388] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 8784.327522] rcu: 0-....: (8780421 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1973454 | [ 8784.327596] rcu: (t=8778417 jiffies g=-135 q=537 ncpus=4) [ 8784.327679] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8784.327749] Workqueue: mld mld_ifc_work [ 8784.327790] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8784.327833] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 8784.327937] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 8784.327972] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 8784.328022] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 8784.328071] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 8784.328119] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 8784.328166] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 8784.328217] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 8784.328269] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8784.328309] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 8784.328358] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8784.328406] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8784.328454] PKRU: 55555554 [ 8784.328474] Call Trace: [ 8784.328496] [ 8784.328517] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 8784.328557] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 8784.328600] ? notifier_call_chain (kernel/notifier.c:93) [ 8784.328642] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 8784.328676] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 8784.328710] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 8784.328744] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 8784.328783] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 8784.328809] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 8784.328843] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 8784.328876] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8784.328910] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8784.328949] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8784.328990] [ 8784.329011] [ 8784.329032] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8784.329071] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8784.329098] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 8784.329133] netdev_core_pick_tx (net/core/dev.c:4211) [ 8784.329168] __dev_queue_xmit (net/core/dev.c:4295) [ 8784.329195] ? eth_header (net/ethernet/eth.c:85) [ 8784.329227] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8784.329259] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8784.329296] mld_sendpack (net/ipv6/mcast.c:1822) [ 8784.329324] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8784.329351] process_one_work (kernel/workqueue.c:3254) [ 8784.329384] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8784.329417] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8784.329445] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8784.329479] kthread (kernel/kthread.c:388) [ 8784.329506] ? __pfx_kthread (kernel/kthread.c:341) [ 8784.329534] ret_from_fork (arch/x86/kernel/process.c:147) [ 8784.329565] ? __pfx_kthread (kernel/kthread.c:341) [ 8784.329593] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8784.329622] | [ 8847.330388] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 8847.330581] rcu: 0-....: (8843423 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=1987300 | [ 8847.330652] rcu: (t=8841420 jiffies g=-135 q=537 ncpus=4) [ 8847.330733] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8847.330804] Workqueue: mld mld_ifc_work [ 8847.330844] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8847.330886] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 8847.330991] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 8847.331027] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 8847.331075] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 8847.331123] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 8847.331172] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 8847.331220] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 8847.331270] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 8847.331322] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8847.331363] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 8847.331413] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8847.331461] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8847.331509] PKRU: 55555554 [ 8847.331529] Call Trace: [ 8847.331552] [ 8847.331572] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 8847.331612] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 8847.331646] ? notifier_call_chain (kernel/notifier.c:93) [ 8847.331680] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 8847.331717] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 8847.331752] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 8847.331789] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 8847.331830] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 8847.331866] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 8847.331901] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 8847.331935] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8847.331970] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8847.332008] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8847.332042] [ 8847.332063] [ 8847.332084] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8847.332126] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8847.332153] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 8847.332188] netdev_core_pick_tx (net/core/dev.c:4211) [ 8847.332223] __dev_queue_xmit (net/core/dev.c:4295) [ 8847.332253] ? eth_header (net/ethernet/eth.c:85) [ 8847.332286] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8847.332318] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8847.332352] mld_sendpack (net/ipv6/mcast.c:1822) [ 8847.332380] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8847.332406] process_one_work (kernel/workqueue.c:3254) [ 8847.332439] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8847.332472] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8847.332500] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8847.332533] kthread (kernel/kthread.c:388) [ 8847.332561] ? __pfx_kthread (kernel/kthread.c:341) [ 8847.332588] ret_from_fork (arch/x86/kernel/process.c:147) [ 8847.332615] ? __pfx_kthread (kernel/kthread.c:341) [ 8847.332642] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8847.332677] | [ 8910.333387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 8910.333582] rcu: 0-....: (8906425 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=2001178 | [ 8910.333651] rcu: (t=8904423 jiffies g=-135 q=537 ncpus=4) [ 8910.333737] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8910.333808] Workqueue: mld mld_ifc_work [ 8910.333852] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8910.333893] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 8910.333997] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 8910.334031] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 8910.334079] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 8910.334127] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 8910.334176] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 8910.334225] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 8910.334275] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 8910.334327] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8910.334368] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 8910.334418] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8910.334464] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8910.334512] PKRU: 55555554 [ 8910.334532] Call Trace: [ 8910.334555] [ 8910.334583] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 8910.334624] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 8910.334658] ? notifier_call_chain (kernel/notifier.c:93) [ 8910.334692] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 8910.334730] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 8910.334765] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 8910.334799] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 8910.334839] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 8910.334871] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 8910.334905] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 8910.334939] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8910.334973] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8910.335016] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8910.335050] [ 8910.335071] [ 8910.335091] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8910.335126] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8910.335152] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 8910.335186] netdev_core_pick_tx (net/core/dev.c:4211) [ 8910.335213] __dev_queue_xmit (net/core/dev.c:4295) [ 8910.335239] ? eth_header (net/ethernet/eth.c:85) [ 8910.335267] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8910.335300] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8910.335334] mld_sendpack (net/ipv6/mcast.c:1822) [ 8910.335363] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8910.335391] process_one_work (kernel/workqueue.c:3254) [ 8910.335422] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8910.335456] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8910.335483] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8910.335518] kthread (kernel/kthread.c:388) [ 8910.335545] ? __pfx_kthread (kernel/kthread.c:341) [ 8910.335573] ret_from_fork (arch/x86/kernel/process.c:147) [ 8910.335599] ? __pfx_kthread (kernel/kthread.c:341) [ 8910.335626] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8910.335654] | [ 8973.336388] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 8973.336527] rcu: 0-....: (8969427 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=2015424 | [ 8973.336597] rcu: (t=8967426 jiffies g=-135 q=537 ncpus=4) [ 8973.336676] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 8973.336746] Workqueue: mld mld_ifc_work [ 8973.336785] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8973.336827] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 8973.336931] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 8973.336966] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 8973.337014] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 8973.337062] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 8973.337110] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 8973.337158] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 8973.337208] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 8973.337260] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 8973.337301] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 8973.337351] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 8973.337401] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 8973.337451] PKRU: 55555554 [ 8973.337471] Call Trace: [ 8973.337493] [ 8973.337515] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 8973.337553] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 8973.337588] ? notifier_call_chain (kernel/notifier.c:93) [ 8973.337621] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 8973.337659] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 8973.337693] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 8973.337742] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 8973.337794] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 8973.337828] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 8973.337862] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 8973.337894] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 8973.337928] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 8973.337971] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 8973.338006] [ 8973.338026] [ 8973.338046] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 8973.338085] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 8973.338112] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 8973.338146] netdev_core_pick_tx (net/core/dev.c:4211) [ 8973.338181] __dev_queue_xmit (net/core/dev.c:4295) [ 8973.338208] ? eth_header (net/ethernet/eth.c:85) [ 8973.338241] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 8973.338273] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 8973.338311] mld_sendpack (net/ipv6/mcast.c:1822) [ 8973.338340] mld_ifc_work (net/ipv6/mcast.c:2652) [ 8973.338369] process_one_work (kernel/workqueue.c:3254) [ 8973.338401] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8973.338435] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 8973.338462] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 8973.338496] kthread (kernel/kthread.c:388) [ 8973.338523] ? __pfx_kthread (kernel/kthread.c:341) [ 8973.338550] ret_from_fork (arch/x86/kernel/process.c:147) [ 8973.338582] ? __pfx_kthread (kernel/kthread.c:341) [ 8973.338609] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 8973.338640] | [ 9036.339387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 9036.339574] rcu: 0-....: (9032429 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=2029737 | [ 9036.339643] rcu: (t=9030429 jiffies g=-135 q=537 ncpus=4) [ 9036.339726] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9036.339796] Workqueue: mld mld_ifc_work [ 9036.339834] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9036.339876] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 9036.339979] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 9036.340013] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 9036.340062] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 9036.340110] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 9036.340158] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 9036.340206] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 9036.340255] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 9036.340302] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9036.340342] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 9036.340392] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9036.340439] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9036.340488] PKRU: 55555554 [ 9036.340508] Call Trace: [ 9036.340530] [ 9036.340550] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 9036.340592] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 9036.340627] ? notifier_call_chain (kernel/notifier.c:93) [ 9036.340661] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 9036.340699] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 9036.340733] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 9036.340768] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 9036.340809] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 9036.340836] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 9036.340871] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 9036.340905] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9036.340939] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9036.340977] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9036.341011] [ 9036.341031] [ 9036.341045] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9036.341084] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9036.341110] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 9036.341148] netdev_core_pick_tx (net/core/dev.c:4211) [ 9036.341184] __dev_queue_xmit (net/core/dev.c:4295) [ 9036.341211] ? eth_header (net/ethernet/eth.c:85) [ 9036.341238] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9036.341273] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9036.341308] mld_sendpack (net/ipv6/mcast.c:1822) [ 9036.341340] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9036.341366] process_one_work (kernel/workqueue.c:3254) [ 9036.341400] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9036.341436] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9036.341464] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9036.341498] kthread (kernel/kthread.c:388) [ 9036.341526] ? __pfx_kthread (kernel/kthread.c:341) [ 9036.341552] ret_from_fork (arch/x86/kernel/process.c:147) [ 9036.341580] ? __pfx_kthread (kernel/kthread.c:341) [ 9036.341607] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9036.341635] | [ 9099.342387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 9099.342514] rcu: 0-....: (9095431 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=2043816 | [ 9099.342583] rcu: (t=9093432 jiffies g=-135 q=537 ncpus=4) [ 9099.342664] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9099.342734] Workqueue: mld mld_ifc_work [ 9099.342773] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9099.342813] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 9099.342918] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 9099.342952] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 9099.343000] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 9099.343048] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 9099.343095] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 9099.343143] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 9099.343192] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 9099.343244] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9099.343285] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 9099.343335] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9099.343382] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9099.343426] PKRU: 55555554 [ 9099.343447] Call Trace: [ 9099.343469] [ 9099.343490] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 9099.343530] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 9099.343564] ? notifier_call_chain (kernel/notifier.c:93) [ 9099.343603] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 9099.343640] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 9099.343676] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 9099.343711] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 9099.343749] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 9099.343780] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 9099.343814] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 9099.343848] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9099.343882] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9099.343919] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9099.343953] [ 9099.343973] [ 9099.343993] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9099.344031] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9099.344058] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 9099.344091] netdev_core_pick_tx (net/core/dev.c:4211) [ 9099.344124] __dev_queue_xmit (net/core/dev.c:4295) [ 9099.344150] ? eth_header (net/ethernet/eth.c:85) [ 9099.344181] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9099.344213] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9099.344249] mld_sendpack (net/ipv6/mcast.c:1822) [ 9099.344277] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9099.344303] process_one_work (kernel/workqueue.c:3254) [ 9099.344334] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9099.344368] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9099.344395] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9099.344428] kthread (kernel/kthread.c:388) [ 9099.344455] ? __pfx_kthread (kernel/kthread.c:341) [ 9099.344482] ret_from_fork (arch/x86/kernel/process.c:147) [ 9099.344510] ? __pfx_kthread (kernel/kthread.c:341) [ 9099.344537] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9099.344568] | [ 9162.345396] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 9162.345588] rcu: 0-....: (9158433 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=2057892 | [ 9162.345662] rcu: (t=9156435 jiffies g=-135 q=537 ncpus=4) [ 9162.345753] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9162.345828] Workqueue: mld mld_ifc_work [ 9162.345870] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9162.345914] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 9162.346024] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 9162.346060] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 9162.346111] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 9162.346162] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 9162.346214] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 9162.346265] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 9162.346317] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 9162.346368] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9162.346411] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 9162.346463] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9162.346513] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9162.346563] PKRU: 55555554 [ 9162.346584] Call Trace: [ 9162.346605] [ 9162.346634] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 9162.346677] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 9162.346714] ? notifier_call_chain (kernel/notifier.c:93) [ 9162.346750] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 9162.346786] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 9162.346823] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 9162.346859] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 9162.346900] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 9162.346928] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 9162.346963] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 9162.346999] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9162.347036] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9162.347072] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9162.347107] [ 9162.347122] [ 9162.347137] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9162.347174] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9162.347202] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 9162.347238] netdev_core_pick_tx (net/core/dev.c:4211) [ 9162.347272] __dev_queue_xmit (net/core/dev.c:4295) [ 9162.347300] ? eth_header (net/ethernet/eth.c:85) [ 9162.347335] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9162.347368] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9162.347404] mld_sendpack (net/ipv6/mcast.c:1822) [ 9162.347434] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9162.347463] process_one_work (kernel/workqueue.c:3254) [ 9162.347496] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9162.347531] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9162.347561] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9162.347597] kthread (kernel/kthread.c:388) [ 9162.347627] ? __pfx_kthread (kernel/kthread.c:341) [ 9162.347655] ret_from_fork (arch/x86/kernel/process.c:147) [ 9162.347685] ? __pfx_kthread (kernel/kthread.c:341) [ 9162.347714] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9162.347744] | [ 9225.348387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 9225.348570] rcu: 0-....: (9221435 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=2072184 | [ 9225.348639] rcu: (t=9219438 jiffies g=-135 q=537 ncpus=4) [ 9225.348725] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9225.348799] Workqueue: mld mld_ifc_work [ 9225.348841] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9225.348886] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 9225.348996] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 9225.349032] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 9225.349084] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 9225.349135] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 9225.349186] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 9225.349236] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 9225.349289] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 9225.349339] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9225.349381] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 9225.349433] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9225.349482] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9225.349533] PKRU: 55555554 [ 9225.349554] Call Trace: [ 9225.349570] [ 9225.349592] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 9225.349635] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 9225.349672] ? notifier_call_chain (kernel/notifier.c:93) [ 9225.349708] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 9225.349744] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 9225.349780] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 9225.349818] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 9225.349858] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 9225.349888] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 9225.349924] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 9225.349961] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9225.350007] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9225.350044] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9225.350081] [ 9225.350095] [ 9225.350118] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9225.350156] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9225.350185] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 9225.350222] netdev_core_pick_tx (net/core/dev.c:4211) [ 9225.350257] __dev_queue_xmit (net/core/dev.c:4295) [ 9225.350285] ? eth_header (net/ethernet/eth.c:85) [ 9225.350314] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9225.350344] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9225.350380] mld_sendpack (net/ipv6/mcast.c:1822) [ 9225.350410] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9225.350439] process_one_work (kernel/workqueue.c:3254) [ 9225.350478] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9225.350514] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9225.350544] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9225.350580] kthread (kernel/kthread.c:388) [ 9225.350609] ? __pfx_kthread (kernel/kthread.c:341) [ 9225.350637] ret_from_fork (arch/x86/kernel/process.c:147) [ 9225.350665] ? __pfx_kthread (kernel/kthread.c:341) [ 9225.350694] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9225.350724] | [ 9288.351387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 9288.351578] rcu: 0-....: (9284437 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=2086582 | [ 9288.351651] rcu: (t=9282441 jiffies g=-135 q=537 ncpus=4) [ 9288.351732] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9288.351806] Workqueue: mld mld_ifc_work [ 9288.351847] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9288.351891] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 9288.352004] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 9288.352040] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 9288.352092] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 9288.352144] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 9288.352195] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 9288.352246] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 9288.352299] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 9288.352350] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9288.352392] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 9288.352444] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9288.352494] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9288.352539] PKRU: 55555554 [ 9288.352553] Call Trace: [ 9288.352570] [ 9288.352592] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 9288.352634] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 9288.352671] ? notifier_call_chain (kernel/notifier.c:93) [ 9288.352707] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 9288.352743] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 9288.352779] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 9288.352815] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 9288.352856] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 9288.352885] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 9288.352922] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 9288.352958] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9288.352995] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9288.353034] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9288.353072] [ 9288.353086] [ 9288.353102] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9288.353143] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9288.353171] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 9288.353208] netdev_core_pick_tx (net/core/dev.c:4211) [ 9288.353238] __dev_queue_xmit (net/core/dev.c:4295) [ 9288.353267] ? eth_header (net/ethernet/eth.c:85) [ 9288.353299] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9288.353334] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9288.353370] mld_sendpack (net/ipv6/mcast.c:1822) [ 9288.353399] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9288.353428] process_one_work (kernel/workqueue.c:3254) [ 9288.353458] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9288.353494] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9288.353523] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9288.353559] kthread (kernel/kthread.c:388) [ 9288.353587] ? __pfx_kthread (kernel/kthread.c:341) [ 9288.353615] ret_from_fork (arch/x86/kernel/process.c:147) [ 9288.353647] ? __pfx_kthread (kernel/kthread.c:341) [ 9288.353676] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9288.353706] | [ 9351.354387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 9351.354592] rcu: 0-....: (9347439 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=2101017 | [ 9351.354665] rcu: (t=9345444 jiffies g=-135 q=537 ncpus=4) [ 9351.354752] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9351.354828] Workqueue: mld mld_ifc_work [ 9351.354873] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9351.354915] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 9351.355027] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 9351.355063] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 9351.355115] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 9351.355166] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 9351.355216] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 9351.355268] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 9351.355320] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 9351.355371] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9351.355413] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 9351.355459] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9351.355510] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9351.355561] PKRU: 55555554 [ 9351.355582] Call Trace: [ 9351.355601] [ 9351.355630] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 9351.355673] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 9351.355710] ? notifier_call_chain (kernel/notifier.c:93) [ 9351.355747] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 9351.355783] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 9351.355819] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 9351.355856] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 9351.355896] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 9351.355925] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 9351.355961] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 9351.355997] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9351.356034] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9351.356070] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9351.356106] [ 9351.356122] [ 9351.356137] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9351.356173] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9351.356202] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 9351.356237] netdev_core_pick_tx (net/core/dev.c:4211) [ 9351.356275] __dev_queue_xmit (net/core/dev.c:4295) [ 9351.356304] ? eth_header (net/ethernet/eth.c:85) [ 9351.356333] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9351.356365] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9351.356401] mld_sendpack (net/ipv6/mcast.c:1822) [ 9351.356431] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9351.356460] process_one_work (kernel/workqueue.c:3254) [ 9351.356490] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9351.356528] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9351.356557] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9351.356594] kthread (kernel/kthread.c:388) [ 9351.356624] ? __pfx_kthread (kernel/kthread.c:341) [ 9351.356653] ret_from_fork (arch/x86/kernel/process.c:147) [ 9351.356687] ? __pfx_kthread (kernel/kthread.c:341) [ 9351.356716] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9351.356749] | [ 9414.357403] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 9414.357590] rcu: 0-....: (9410441 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=2115400 | [ 9414.357664] rcu: (t=9408447 jiffies g=-135 q=537 ncpus=4) [ 9414.357745] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9414.357820] Workqueue: mld mld_ifc_work [ 9414.357859] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9414.357903] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 9414.358024] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 9414.358062] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 9414.358132] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 9414.358183] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 9414.358236] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 9414.358287] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 9414.358339] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 9414.358390] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9414.358432] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 9414.358483] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9414.358533] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9414.358584] PKRU: 55555554 [ 9414.358599] Call Trace: [ 9414.358616] [ 9414.358637] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 9414.358679] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 9414.358716] ? notifier_call_chain (kernel/notifier.c:93) [ 9414.358753] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 9414.358789] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 9414.358826] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 9414.358863] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 9414.358903] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 9414.358933] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 9414.358968] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 9414.359005] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9414.359041] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9414.359077] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9414.359114] [ 9414.359135] [ 9414.359150] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9414.359187] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9414.359216] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 9414.359252] netdev_core_pick_tx (net/core/dev.c:4211) [ 9414.359281] __dev_queue_xmit (net/core/dev.c:4295) [ 9414.359322] ? eth_header (net/ethernet/eth.c:85) [ 9414.359357] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9414.359413] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9414.359449] mld_sendpack (net/ipv6/mcast.c:1822) [ 9414.359477] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9414.359505] process_one_work (kernel/workqueue.c:3254) [ 9414.359533] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9414.359569] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9414.359598] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9414.359633] kthread (kernel/kthread.c:388) [ 9414.359661] ? __pfx_kthread (kernel/kthread.c:341) [ 9414.359689] ret_from_fork (arch/x86/kernel/process.c:147) [ 9414.359718] ? __pfx_kthread (kernel/kthread.c:341) [ 9414.359746] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9414.359776] | [ 9477.360387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 9477.360583] rcu: 0-....: (9473443 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=2129817 | [ 9477.360653] rcu: (t=9471450 jiffies g=-135 q=537 ncpus=4) [ 9477.360734] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9477.360810] Workqueue: mld mld_ifc_work [ 9477.360850] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9477.360894] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 9477.361024] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 9477.361061] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 9477.361112] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 9477.361164] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 9477.361216] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 9477.361268] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 9477.361321] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 9477.361371] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9477.361413] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 9477.361466] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9477.361516] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9477.361567] PKRU: 55555554 [ 9477.361589] Call Trace: [ 9477.361606] [ 9477.361627] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 9477.361669] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 9477.361706] ? notifier_call_chain (kernel/notifier.c:93) [ 9477.361744] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 9477.361784] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 9477.361820] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 9477.361856] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 9477.361897] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 9477.361927] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 9477.361964] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 9477.362000] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9477.362037] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9477.362074] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9477.362110] [ 9477.362125] [ 9477.362140] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9477.362187] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9477.362219] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 9477.362255] netdev_core_pick_tx (net/core/dev.c:4211) [ 9477.362288] __dev_queue_xmit (net/core/dev.c:4295) [ 9477.362317] ? eth_header (net/ethernet/eth.c:85) [ 9477.362346] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9477.362376] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9477.362412] mld_sendpack (net/ipv6/mcast.c:1822) [ 9477.362442] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9477.362471] process_one_work (kernel/workqueue.c:3254) [ 9477.362500] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9477.362536] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9477.362566] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9477.362602] kthread (kernel/kthread.c:388) [ 9477.362631] ? __pfx_kthread (kernel/kthread.c:341) [ 9477.362671] ret_from_fork (arch/x86/kernel/process.c:147) [ 9477.362701] ? __pfx_kthread (kernel/kthread.c:341) [ 9477.362729] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9477.362759] | [ 9540.363387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 9540.363586] rcu: 0-....: (9536445 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=2144232 | [ 9540.363673] rcu: (t=9534453 jiffies g=-135 q=537 ncpus=4) [ 9540.363754] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9540.363828] Workqueue: mld mld_ifc_work [ 9540.363870] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9540.363913] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 9540.364024] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 9540.364060] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 9540.364111] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 9540.364162] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 9540.364213] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 9540.364264] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 9540.364316] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 9540.364367] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9540.364409] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 9540.364461] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9540.364511] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9540.364556] PKRU: 55555554 [ 9540.364576] Call Trace: [ 9540.364593] [ 9540.364614] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 9540.364656] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 9540.364693] ? notifier_call_chain (kernel/notifier.c:93) [ 9540.364729] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 9540.364765] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 9540.364800] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 9540.364836] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 9540.364876] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 9540.364905] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 9540.364941] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 9540.364976] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9540.365013] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9540.365048] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9540.365085] [ 9540.365105] [ 9540.365120] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9540.365157] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9540.365185] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 9540.365220] netdev_core_pick_tx (net/core/dev.c:4211) [ 9540.365261] __dev_queue_xmit (net/core/dev.c:4295) [ 9540.365289] ? eth_header (net/ethernet/eth.c:85) [ 9540.365323] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9540.365357] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9540.365392] mld_sendpack (net/ipv6/mcast.c:1822) [ 9540.365421] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9540.365450] process_one_work (kernel/workqueue.c:3254) [ 9540.365479] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9540.365516] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9540.365545] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9540.365581] kthread (kernel/kthread.c:388) [ 9540.365609] ? __pfx_kthread (kernel/kthread.c:341) [ 9540.365638] ret_from_fork (arch/x86/kernel/process.c:147) [ 9540.365671] ? __pfx_kthread (kernel/kthread.c:341) [ 9540.365699] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9540.365729] | [ 9603.366388] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 9603.366612] rcu: 0-....: (9599447 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=2158632 | [ 9603.366706] rcu: (t=9597456 jiffies g=-135 q=537 ncpus=4) [ 9603.366791] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9603.366865] Workqueue: mld mld_ifc_work [ 9603.366906] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9603.366949] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 9603.367059] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 9603.367096] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 9603.367148] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 9603.367199] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 9603.367250] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 9603.367302] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 9603.367354] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 9603.367405] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9603.367447] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 9603.367500] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9603.367549] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9603.367601] PKRU: 55555554 [ 9603.367622] Call Trace: [ 9603.367639] [ 9603.367660] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 9603.367702] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 9603.367738] ? notifier_call_chain (kernel/notifier.c:93) [ 9603.367774] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 9603.367810] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 9603.367847] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 9603.367883] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 9603.367924] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 9603.367953] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 9603.367989] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 9603.368026] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9603.368062] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9603.368098] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9603.368133] [ 9603.368148] [ 9603.368178] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9603.368216] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9603.368244] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 9603.368279] netdev_core_pick_tx (net/core/dev.c:4211) [ 9603.368308] __dev_queue_xmit (net/core/dev.c:4295) [ 9603.368336] ? eth_header (net/ethernet/eth.c:85) [ 9603.368364] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9603.368393] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9603.368429] mld_sendpack (net/ipv6/mcast.c:1822) [ 9603.368458] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9603.368498] process_one_work (kernel/workqueue.c:3254) [ 9603.368530] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9603.368566] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9603.368595] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9603.368630] kthread (kernel/kthread.c:388) [ 9603.368659] ? __pfx_kthread (kernel/kthread.c:341) [ 9603.368687] ret_from_fork (arch/x86/kernel/process.c:147) [ 9603.368716] ? __pfx_kthread (kernel/kthread.c:341) [ 9603.368744] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9603.368773] | [ 9666.369405] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 9666.369591] rcu: 0-....: (9662449 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=2172901 | [ 9666.369660] rcu: (t=9660459 jiffies g=-135 q=537 ncpus=4) [ 9666.369757] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9666.369831] Workqueue: mld mld_ifc_work [ 9666.369873] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9666.369917] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 9666.370031] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 9666.370069] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 9666.370120] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 9666.370171] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 9666.370222] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 9666.370272] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 9666.370319] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 9666.370370] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9666.370412] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 9666.370464] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9666.370514] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9666.370565] PKRU: 55555554 [ 9666.370585] Call Trace: [ 9666.370605] [ 9666.370636] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 9666.370679] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 9666.370716] ? notifier_call_chain (kernel/notifier.c:93) [ 9666.370752] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 9666.370792] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 9666.370829] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 9666.370865] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 9666.370901] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 9666.370929] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 9666.370965] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 9666.371001] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9666.371036] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9666.371072] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9666.371108] [ 9666.371123] [ 9666.371138] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9666.371190] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9666.371218] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 9666.371255] netdev_core_pick_tx (net/core/dev.c:4211) [ 9666.371284] __dev_queue_xmit (net/core/dev.c:4295) [ 9666.371313] ? eth_header (net/ethernet/eth.c:85) [ 9666.371342] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9666.371372] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9666.371408] mld_sendpack (net/ipv6/mcast.c:1822) [ 9666.371438] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9666.371467] process_one_work (kernel/workqueue.c:3254) [ 9666.371496] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9666.371532] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9666.371561] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9666.371598] kthread (kernel/kthread.c:388) [ 9666.371627] ? __pfx_kthread (kernel/kthread.c:341) [ 9666.371655] ret_from_fork (arch/x86/kernel/process.c:147) [ 9666.371684] ? __pfx_kthread (kernel/kthread.c:341) [ 9666.371712] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9666.371742] | [ 9729.372387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 9729.372578] rcu: 0-....: (9725451 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=2187269 | [ 9729.372647] rcu: (t=9723462 jiffies g=-135 q=537 ncpus=4) [ 9729.372742] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9729.372818] Workqueue: mld mld_ifc_work [ 9729.372863] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9729.372907] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 9729.373017] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 9729.373054] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 9729.373106] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 9729.373157] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 9729.373202] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 9729.373253] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 9729.373299] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 9729.373351] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9729.373393] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 9729.373444] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9729.373494] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9729.373545] PKRU: 55555554 [ 9729.373565] Call Trace: [ 9729.373582] [ 9729.373603] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 9729.373648] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 9729.373685] ? notifier_call_chain (kernel/notifier.c:93) [ 9729.373722] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 9729.373757] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 9729.373794] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 9729.373830] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 9729.373870] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 9729.373903] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 9729.373940] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 9729.373976] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9729.374013] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9729.374049] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9729.374085] [ 9729.374100] [ 9729.374115] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9729.374152] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9729.374180] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 9729.374216] netdev_core_pick_tx (net/core/dev.c:4211) [ 9729.374245] __dev_queue_xmit (net/core/dev.c:4295) [ 9729.374272] ? eth_header (net/ethernet/eth.c:85) [ 9729.374305] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9729.374339] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9729.374375] mld_sendpack (net/ipv6/mcast.c:1822) [ 9729.374404] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9729.374432] process_one_work (kernel/workqueue.c:3254) [ 9729.374460] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9729.374495] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9729.374524] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9729.374560] kthread (kernel/kthread.c:388) [ 9729.374588] ? __pfx_kthread (kernel/kthread.c:341) [ 9729.374616] ret_from_fork (arch/x86/kernel/process.c:147) [ 9729.374654] ? __pfx_kthread (kernel/kthread.c:341) [ 9729.374683] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9729.374713] | [ 9792.375403] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 9792.375579] rcu: 0-....: (9788453 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=2201473 | [ 9792.375648] rcu: (t=9786465 jiffies g=-135 q=537 ncpus=4) [ 9792.375728] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9792.375803] Workqueue: mld mld_ifc_work [ 9792.375846] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9792.375890] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 9792.376001] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 9792.376038] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 9792.376096] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 9792.376148] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 9792.376200] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 9792.376264] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 9792.376316] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 9792.376368] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9792.376410] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 9792.376462] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9792.376512] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9792.376563] PKRU: 55555554 [ 9792.376584] Call Trace: [ 9792.376601] [ 9792.376622] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 9792.376663] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 9792.376700] ? notifier_call_chain (kernel/notifier.c:93) [ 9792.376738] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 9792.376774] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 9792.376811] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 9792.376848] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 9792.376890] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 9792.376919] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 9792.376956] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 9792.376993] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9792.377029] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9792.377065] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9792.377102] [ 9792.377117] [ 9792.377139] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9792.377177] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9792.377205] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 9792.377242] netdev_core_pick_tx (net/core/dev.c:4211) [ 9792.377277] __dev_queue_xmit (net/core/dev.c:4295) [ 9792.377306] ? eth_header (net/ethernet/eth.c:85) [ 9792.377336] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9792.377365] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9792.377402] mld_sendpack (net/ipv6/mcast.c:1822) [ 9792.377431] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9792.377459] process_one_work (kernel/workqueue.c:3254) [ 9792.377492] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9792.377528] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9792.377574] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9792.377609] kthread (kernel/kthread.c:388) [ 9792.377638] ? __pfx_kthread (kernel/kthread.c:341) [ 9792.377666] ret_from_fork (arch/x86/kernel/process.c:147) [ 9792.377695] ? __pfx_kthread (kernel/kthread.c:341) [ 9792.377723] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9792.377752] | [ 9855.378402] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 9855.378585] rcu: 0-....: (9851455 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=2215774 | [ 9855.378660] rcu: (t=9849468 jiffies g=-135 q=537 ncpus=4) [ 9855.378760] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9855.378836] Workqueue: mld mld_ifc_work [ 9855.378881] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9855.378924] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 9855.379036] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 9855.379073] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 9855.379124] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 9855.379175] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 9855.379226] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 9855.379278] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 9855.379331] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 9855.379383] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9855.379427] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 9855.379473] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9855.379524] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9855.379576] PKRU: 55555554 [ 9855.379598] Call Trace: [ 9855.379637] [ 9855.379665] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 9855.379708] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 9855.379744] ? notifier_call_chain (kernel/notifier.c:93) [ 9855.379781] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 9855.379817] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 9855.379854] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 9855.379890] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 9855.379927] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 9855.379955] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 9855.379990] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 9855.380027] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9855.380062] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9855.380098] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9855.380134] [ 9855.380154] [ 9855.380169] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9855.380206] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9855.380234] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 9855.380271] netdev_core_pick_tx (net/core/dev.c:4211) [ 9855.380300] __dev_queue_xmit (net/core/dev.c:4295) [ 9855.380328] ? eth_header (net/ethernet/eth.c:85) [ 9855.380361] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9855.380390] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9855.380426] mld_sendpack (net/ipv6/mcast.c:1822) [ 9855.380457] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9855.380486] process_one_work (kernel/workqueue.c:3254) [ 9855.380519] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9855.380555] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9855.380583] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9855.380619] kthread (kernel/kthread.c:388) [ 9855.380648] ? __pfx_kthread (kernel/kthread.c:341) [ 9855.380677] ret_from_fork (arch/x86/kernel/process.c:147) [ 9855.380706] ? __pfx_kthread (kernel/kthread.c:341) [ 9855.380734] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9855.380765] | [ 9918.381387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 9918.381580] rcu: 0-....: (9914457 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=2230169 | [ 9918.381662] rcu: (t=9912471 jiffies g=-135 q=537 ncpus=4) [ 9918.381745] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9918.381818] Workqueue: mld mld_ifc_work [ 9918.381857] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9918.381919] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 9918.382030] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 9918.382066] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 9918.382118] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 9918.382170] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 9918.382221] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 9918.382272] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 9918.382325] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 9918.382376] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9918.382419] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 9918.382472] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9918.382522] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9918.382567] PKRU: 55555554 [ 9918.382588] Call Trace: [ 9918.382606] [ 9918.382627] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 9918.382669] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 9918.382706] ? notifier_call_chain (kernel/notifier.c:93) [ 9918.382742] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 9918.382778] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 9918.382815] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 9918.382851] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 9918.382887] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 9918.382916] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 9918.382953] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 9918.382990] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9918.383026] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9918.383070] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9918.383106] [ 9918.383127] [ 9918.383142] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9918.383179] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9918.383208] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 9918.383244] netdev_core_pick_tx (net/core/dev.c:4211) [ 9918.383273] __dev_queue_xmit (net/core/dev.c:4295) [ 9918.383301] ? eth_header (net/ethernet/eth.c:85) [ 9918.383337] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9918.383369] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9918.383405] mld_sendpack (net/ipv6/mcast.c:1822) [ 9918.383435] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9918.383464] process_one_work (kernel/workqueue.c:3254) [ 9918.383497] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9918.383533] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9918.383563] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9918.383599] kthread (kernel/kthread.c:388) [ 9918.383628] ? __pfx_kthread (kernel/kthread.c:341) [ 9918.383657] ret_from_fork (arch/x86/kernel/process.c:147) [ 9918.383686] ? __pfx_kthread (kernel/kthread.c:341) [ 9918.383715] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9918.383745] | [ 9981.384387] rcu: INFO: rcu_preempt self-detected stall on CPU | [ 9981.384584] rcu: 0-....: (9977459 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=2244620 | [ 9981.384657] rcu: (t=9975474 jiffies g=-135 q=537 ncpus=4) [ 9981.384737] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [ 9981.384812] Workqueue: mld mld_ifc_work [ 9981.384853] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9981.384895] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [ 9981.385006] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [ 9981.385043] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [ 9981.385094] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [ 9981.385144] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [ 9981.385195] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [ 9981.385246] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [ 9981.385300] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [ 9981.385351] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 9981.385393] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [ 9981.385445] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 9981.385495] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 9981.385547] PKRU: 55555554 [ 9981.385567] Call Trace: [ 9981.385584] [ 9981.385605] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [ 9981.385648] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [ 9981.385695] ? notifier_call_chain (kernel/notifier.c:93) [ 9981.385731] ? timekeeping_update (kernel/time/timekeeping.c:770) [ 9981.385766] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [ 9981.385802] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [ 9981.385838] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [ 9981.385879] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [ 9981.385907] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [ 9981.385943] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [ 9981.385979] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [ 9981.386015] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [ 9981.386051] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [ 9981.386091] [ 9981.386105] [ 9981.386120] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [ 9981.386161] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [ 9981.386189] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [ 9981.386225] netdev_core_pick_tx (net/core/dev.c:4211) [ 9981.386255] __dev_queue_xmit (net/core/dev.c:4295) [ 9981.386283] ? eth_header (net/ethernet/eth.c:85) [ 9981.386315] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [ 9981.386360] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [ 9981.386396] mld_sendpack (net/ipv6/mcast.c:1822) [ 9981.386425] mld_ifc_work (net/ipv6/mcast.c:2652) [ 9981.386453] process_one_work (kernel/workqueue.c:3254) [ 9981.386487] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9981.386523] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [ 9981.386552] ? __pfx_worker_thread (kernel/workqueue.c:3362) [ 9981.386588] kthread (kernel/kthread.c:388) [ 9981.386617] ? __pfx_kthread (kernel/kthread.c:341) [ 9981.386646] ret_from_fork (arch/x86/kernel/process.c:147) [ 9981.386674] ? __pfx_kthread (kernel/kthread.c:341) [ 9981.386703] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [ 9981.386736] | [10044.387397] rcu: INFO: rcu_preempt self-detected stall on CPU | [10044.387571] rcu: 0-....: (10040461 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=2259082 | [10044.387636] rcu: (t=10038477 jiffies g=-135 q=537 ncpus=4) [10044.387714] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [10044.387787] Workqueue: mld mld_ifc_work [10044.387827] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [10044.387869] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [10044.387978] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [10044.388030] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [10044.388081] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [10044.388126] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [10044.388176] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [10044.388227] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [10044.388281] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [10044.388331] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10044.388373] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [10044.388424] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [10044.388474] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [10044.388524] PKRU: 55555554 [10044.388539] Call Trace: [10044.388556] [10044.388577] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [10044.388619] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [10044.388655] ? notifier_call_chain (kernel/notifier.c:93) [10044.388691] ? timekeeping_update (kernel/time/timekeeping.c:770) [10044.388727] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [10044.388763] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [10044.388799] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [10044.388836] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [10044.388865] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [10044.388900] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [10044.388937] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [10044.388972] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [10044.389013] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [10044.389049] [10044.389070] [10044.389085] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [10044.389121] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [10044.389149] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [10044.389185] netdev_core_pick_tx (net/core/dev.c:4211) [10044.389222] __dev_queue_xmit (net/core/dev.c:4295) [10044.389261] ? eth_header (net/ethernet/eth.c:85) [10044.389293] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [10044.389322] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [10044.389357] mld_sendpack (net/ipv6/mcast.c:1822) [10044.389386] mld_ifc_work (net/ipv6/mcast.c:2652) [10044.389415] process_one_work (kernel/workqueue.c:3254) [10044.389448] ? __pfx_worker_thread (kernel/workqueue.c:3362) [10044.389483] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [10044.389511] ? __pfx_worker_thread (kernel/workqueue.c:3362) [10044.389547] kthread (kernel/kthread.c:388) [10044.389575] ? __pfx_kthread (kernel/kthread.c:341) [10044.389603] ret_from_fork (arch/x86/kernel/process.c:147) [10044.389632] ? __pfx_kthread (kernel/kthread.c:341) [10044.389661] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [10044.389690] | [10107.390387] rcu: INFO: rcu_preempt self-detected stall on CPU | [10107.390509] rcu: 0-....: (10103463 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=2273532 | [10107.390580] rcu: (t=10101480 jiffies g=-135 q=537 ncpus=4) [10107.390661] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [10107.390735] Workqueue: mld mld_ifc_work [10107.390774] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [10107.390820] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [10107.390931] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [10107.390968] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [10107.391024] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [10107.391069] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [10107.391114] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [10107.391159] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [10107.391205] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [10107.391257] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10107.391300] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [10107.391352] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [10107.391403] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [10107.391455] PKRU: 55555554 [10107.391477] Call Trace: [10107.391494] [10107.391516] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [10107.391558] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [10107.391594] ? notifier_call_chain (kernel/notifier.c:93) [10107.391630] ? timekeeping_update (kernel/time/timekeeping.c:770) [10107.391671] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [10107.391708] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [10107.391744] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [10107.391785] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [10107.391814] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [10107.391850] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [10107.391888] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [10107.391924] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [10107.391960] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [10107.391996] [10107.392010] [10107.392026] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [10107.392062] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [10107.392090] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [10107.392126] netdev_core_pick_tx (net/core/dev.c:4211) [10107.392159] __dev_queue_xmit (net/core/dev.c:4295) [10107.392187] ? eth_header (net/ethernet/eth.c:85) [10107.392216] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [10107.392246] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [10107.392281] mld_sendpack (net/ipv6/mcast.c:1822) [10107.392310] mld_ifc_work (net/ipv6/mcast.c:2652) [10107.392339] process_one_work (kernel/workqueue.c:3254) [10107.392372] ? __pfx_worker_thread (kernel/workqueue.c:3362) [10107.392407] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [10107.392436] ? __pfx_worker_thread (kernel/workqueue.c:3362) [10107.392471] kthread (kernel/kthread.c:388) [10107.392500] ? __pfx_kthread (kernel/kthread.c:341) [10107.392529] ret_from_fork (arch/x86/kernel/process.c:147) [10107.392557] ? __pfx_kthread (kernel/kthread.c:341) [10107.392586] ret_from_fork_asm (arch/x86/entry/entry_64.S:256) | [10107.392620] | [10170.393394] rcu: INFO: rcu_preempt self-detected stall on CPU | [10170.393579] rcu: 0-....: (10166465 ticks this GP) idle=98d4/1/0x4000000000000000 softirq=753/753 fqs=2287937 | [10170.393656] rcu: (t=10164483 jiffies g=-135 q=537 ncpus=4) [10170.393757] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.16.3-0-ga6ed6b701f0a-prebuilt.qemu.org 04/01/2014 [10170.393830] Workqueue: mld mld_ifc_work [10170.393873] RIP: 0010:team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [10170.393916] Code: d2 74 16 8d 42 ff 66 89 56 2c 8b 57 28 0f b7 c8 39 ca 76 14 c3 cc cc cc cc 66 89 56 2c 8b 57 28 31 c9 31 c0 39 ca 77 ec 89 d6 <29> f0 0f b7 c8 39 ca 76 f7 c3 cc cc cc cc 66 0f 1f 84 00 00 00 00 All code ======== 0: d2 74 16 8d shlb %cl,-0x73(%rsi,%rdx,1) 4: 42 ff 66 89 rex.X jmp *-0x77(%rsi) 8: 56 push %rsi 9: 2c 8b sub $0x8b,%al b: 57 push %rdi c: 28 0f sub %cl,(%rdi) e: b7 c8 mov $0xc8,%bh 10: 39 ca cmp %ecx,%edx 12: 76 14 jbe 0x28 14: c3 ret 15: cc int3 16: cc int3 17: cc int3 18: cc int3 19: 66 89 56 2c mov %dx,0x2c(%rsi) 1d: 8b 57 28 mov 0x28(%rdi),%edx 20: 31 c9 xor %ecx,%ecx 22: 31 c0 xor %eax,%eax 24: 39 ca cmp %ecx,%edx 26: 77 ec ja 0x14 28: 89 d6 mov %edx,%esi 2a:* 29 f0 sub %esi,%eax <-- trapping instruction 2c: 0f b7 c8 movzwl %ax,%ecx 2f: 39 ca cmp %ecx,%edx 31: 76 f7 jbe 0x2a 33: c3 ret 34: cc int3 35: cc int3 36: cc int3 37: cc int3 38: 66 data16 39: 0f .byte 0xf 3a: 1f (bad) 3b: 84 00 test %al,(%rax) 3d: 00 00 add %al,(%rax) ... Code starting with the faulting instruction =========================================== 0: 29 f0 sub %esi,%eax 2: 0f b7 c8 movzwl %ax,%ecx 5: 39 ca cmp %ecx,%edx 7: 76 f7 jbe 0x0 9: c3 ret a: cc int3 b: cc int3 c: cc int3 d: cc int3 e: 66 data16 f: 0f .byte 0xf 10: 1f (bad) 11: 84 00 test %al,(%rax) 13: 00 00 add %al,(%rax) ... [10170.394027] RSP: 0018:ffffba24c0053c58 EFLAGS: 00000246 [10170.394063] RAX: 0000000000000000 RBX: ffff9bff02548000 RCX: 0000000000000000 [10170.394115] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff9bff02548000 [10170.394166] RBP: ffff9bff02682f00 R08: 0000000000000000 R09: 000000000000004c [10170.394217] R10: 00000000000002ff R11: 1600000000000000 R12: 0000000000000020 [10170.394269] R13: ffff9bff02548000 R14: 0000000000000000 R15: 0000000000000000 [10170.394322] FS: 0000000000000000(0000) GS:ffff9bff3ec00000(0000) knlGS:0000000000000000 [10170.394373] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [10170.394415] CR2: 00007f79cf2888e8 CR3: 0000000001af4002 CR4: 0000000000770ef0 [10170.394489] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [10170.394539] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [10170.394591] PKRU: 55555554 [10170.394613] Call Trace: [10170.394633] [10170.394663] ? rcu_dump_cpu_stacks (./include/linux/cpumask.h:214 kernel/rcu/tree_stall.h:374) [10170.394705] ? rcu_sched_clock_irq (kernel/rcu/tree_stall.h:699 kernel/rcu/tree_stall.h:793 kernel/rcu/tree.c:3934 kernel/rcu/tree.c:2297) [10170.394741] ? notifier_call_chain (kernel/notifier.c:93) [10170.394778] ? timekeeping_update (kernel/time/timekeeping.c:770) [10170.394814] ? timekeeping_advance (kernel/time/timekeeping.c:2224 (discriminator 5)) [10170.394851] ? trigger_load_balance (./arch/x86/include/asm/atomic.h:23 ./include/linux/atomic/atomic-arch-fallback.h:457 ./include/linux/atomic/atomic-instrumented.h:33 kernel/sched/fair.c:11856 kernel/sched/fair.c:12440) [10170.394888] ? update_process_times (./arch/x86/include/asm/preempt.h:26 kernel/time/timer.c:2478) [10170.394927] ? tick_nohz_handler (kernel/time/tick-sched.c:274 kernel/time/tick-sched.c:294) [10170.394956] ? __pfx_tick_nohz_handler (kernel/time/tick-sched.c:282) [10170.394992] ? __hrtimer_run_queues (kernel/time/hrtimer.c:1692 kernel/time/hrtimer.c:1756) [10170.395028] ? hrtimer_interrupt (kernel/time/hrtimer.c:1821) [10170.395064] ? __sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1032 arch/x86/kernel/apic/apic.c:1049) [10170.395104] ? sysvec_apic_timer_interrupt (arch/x86/kernel/apic/apic.c:1043 arch/x86/kernel/apic/apic.c:1043) [10170.395141] [10170.395155] [10170.395170] ? asm_sysvec_apic_timer_interrupt (./arch/x86/include/asm/idtentry.h:702) [10170.395207] ? team_select_queue (drivers/net/team/team.c:1753 (discriminator 1)) [10170.395236] ? __call_rcu_common.constprop.0 (kernel/rcu/tree.c:2603 kernel/rcu/tree.c:2619 kernel/rcu/tree.c:2755) [10170.395272] netdev_core_pick_tx (net/core/dev.c:4211) [10170.395306] __dev_queue_xmit (net/core/dev.c:4295) [10170.395335] ? eth_header (net/ethernet/eth.c:85) [10170.395369] ip6_finish_output2 (./include/net/neighbour.h:542 net/ipv6/ip6_output.c:137) [10170.395399] ip6_finish_output.constprop.0 (net/ipv6/ip6_output.c:211 net/ipv6/ip6_output.c:222) [10170.395435] mld_sendpack (net/ipv6/mcast.c:1822) [10170.395464] mld_ifc_work (net/ipv6/mcast.c:2652) [10170.395493] process_one_work (kernel/workqueue.c:3254) [10170.395527] ? __pfx_worker_thread (kernel/workqueue.c:3362) [10170.395562] worker_thread (kernel/workqueue.c:3329 kernel/workqueue.c:3416) [10170.395592] ? __pfx_worker_thread (kernel/workqueue.c:3362) [10170.395629] kthread (kernel/kthread.c:388) [10170.395684] ? __pfx_kthread (kernel/kthread.c:341) [10170.395713] ret_from_fork (arch/x86/kernel/process.c:147) [10170.395741] ? __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 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