Hi all,
I experinced a weired kernel hang. Maybe it's caused by TC. these are the stack traces produced by crash utility. The kernel hanged several times.
This machine is used as gateway. there are many tc rules. Htb and sfq qdisc is used. Every n seconds,
"tc -s class show dev ethX" is executed to get the traffic value.
any ideas? thank you.
---------------------------------------------
KERNEL: /usr/lib/debug/lib/modules/2.6.32-279.19.1.el6.x86_64/vmlinux
DUMPFILE: vmcore [PARTIAL DUMP]
CPUS: 4
DATE: Mon Feb 4 09:49:09 2013
UPTIME: 7 days, 15:47:13
LOAD AVERAGE: 0.00, 0.00, 0.00
TASKS: 150
NODENAME: xxxx
RELEASE: 2.6.32-279.19.1.el6.x86_64
VERSION: #1 SMP Wed Dec 19 07:05:20 UTC 2012
MACHINE: x86_64 (2400 Mhz)
MEMORY: 4 GB
PANIC: "Oops: 0000 [#1] SMP " (check log for details)
PID: 0
COMMAND: "swapper"
TASK: ffffffff81a8d020 (1 of 4) [THREAD_INFO: ffffffff81a00000]
CPU: 0
STATE: TASK_RUNNING (PANIC)
crash> bt -a
PID: 0 TASK: ffffffff81a8d020 CPU: 0 COMMAND: "swapper"
#0 [ffff880028203540] machine_kexec at ffffffff81031f7b
#1 [ffff8800282035a0] crash_kexec at ffffffff810b8c22
#2 [ffff880028203670] oops_end at ffffffff814ed6b0
#3 [ffff8800282036a0] no_context at ffffffff81042a0b
#4 [ffff8800282036f0] __bad_area_nosemaphore at ffffffff81042c95
#5 [ffff880028203740] bad_area_nosemaphore at ffffffff81042d63
#6 [ffff880028203750] __do_page_fault at ffffffff810434c1
#7 [ffff880028203870] do_page_fault at ffffffff814ef68e
#8 [ffff8800282038a0] page_fault at ffffffff814eca45
[exception RIP: __rb_rotate_left+11]
RIP: ffffffff8126f15b RSP: ffff880028203950 RFLAGS: 00010086
RAX: 0000000000000000 RBX: ffff8801175da718 RCX: ffff8801175da719
RDX: ffff8801175da718 RSI: ffff8800282115f8 RDI: ffff8801175da718
RBP: ffff880028203950 R8: 0000000000000000 R9: 0000000000000000
R10: 0000000000000001 R11: 0000000000000000 R12: ffff8801175da718
R13: ffff8801175da718 R14: ffff8801175da718 R15: ffff8801175da718
ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018
#9 [ffff880028203958] rb_insert_color at ffffffff8126f30d
#10 [ffff880028203998] enqueue_hrtimer at ffffffff810949d2
#11 [ffff8800282039c8] __hrtimer_start_range_ns at ffffffff81095867
#12 [ffff880028203a68] hrtimer_start at ffffffff81095b78
#13 [ffff880028203a78] qdisc_watchdog_schedule at ffffffff81448e3f
#14 [ffff880028203a88] htb_dequeue at ffffffffa02f836f [sch_htb]
#15 [ffff880028203b58] __qdisc_run at ffffffff8144717f
#16 [ffff880028203b88] dev_queue_xmit at ffffffff8142de33
#17 [ffff880028203bd8] ip_finish_output at ffffffff81464f8c
#18 [ffff880028203c18] ip_output at ffffffff81465218
#19 [ffff880028203c48] ip_forward_finish at ffffffff8146055f
#20 [ffff880028203c68] ip_forward at ffffffff81460760
#21 [ffff880028203ca8] ip_rcv_finish at ffffffff8145e8fd
#22 [ffff880028203ce8] ip_rcv at ffffffff8145ee85
#23 [ffff880028203d28] __netif_receive_skb at ffffffff8142946b
#24 [ffff880028203d88] netif_receive_skb at ffffffff8142b5e8
#25 [ffff880028203dc8] virtnet_poll at ffffffffa022655d [virtio_net]
#26 [ffff880028203e68] net_rx_action at ffffffff8142d7c3
#27 [ffff880028203ec8] __do_softirq at ffffffff81072991
#28 [ffff880028203f38] call_softirq at ffffffff8100c1cc
#29 [ffff880028203f50] do_softirq at ffffffff8100de05
#30 [ffff880028203f70] irq_exit at ffffffff81072775
#31 [ffff880028203f80] do_IRQ at ffffffff814f1eb5
--- <IRQ stack> ---
#32 [ffffffff81a01e18] ret_from_intr at ffffffff8100b9d3
[exception RIP: native_safe_halt+11]
RIP: ffffffff810377cb RSP: ffffffff81a01ec8 RFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffffff81a01ec8 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffffff81dd8228
RBP: ffffffff8100b9ce R8: 0000000000000000 R9: 0000000000000000
R10: 000259c06e1ca591 R11: 0000000000000000 R12: ffff8800282115e8
R13: ffffffff81a01e88 R14: 0000000000000292 R15: 000000012820e0e0
ORIG_RAX: ffffffffffffffae CS: 0010 SS: 0018
#33 [ffffffff81a01ed0] default_idle at ffffffff8101485d
#34 [ffffffff81a01ef0] cpu_idle at ffffffff81009fc6
PID: 0 TASK: ffff88011d7fd540 CPU: 1 COMMAND: "swapper"
#0 [ffff880028287e90] crash_nmi_callback at ffffffff81029796
#1 [ffff880028287ea0] notifier_call_chain at ffffffff814ef745
#2 [ffff880028287ee0] atomic_notifier_call_chain at ffffffff814ef7aa
#3 [ffff880028287ef0] notify_die at ffffffff810969ae
#4 [ffff880028287f20] do_nmi at ffffffff814ed3c3
#5 [ffff880028287f50] nmi at ffffffff814eccd0
[exception RIP: native_safe_halt+11]
RIP: ffffffff810377cb RSP: ffff88011d7ffed8 RFLAGS: 00000246
RAX: 0000000000000000 RBX: 0000000000000001 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffffff81dd8228
RBP: ffff88011d7ffed8 R8: 0000000000000000 R9: 0000000000000000
R10: 000259c067b7dd80 R11: 0000000000000000 R12: ffffffff81c01880
R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000
ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018
--- <NMI exception stack> ---
#6 [ffff88011d7ffed8] native_safe_halt at ffffffff810377cb
#7 [ffff88011d7ffee0] default_idle at ffffffff8101485d
#8 [ffff88011d7fff00] cpu_idle at ffffffff81009fc6
PID: 0 TASK: ffff88011cc06040 CPU: 2 COMMAND: "swapper"
#0 [ffff880028307e90] crash_nmi_callback at ffffffff81029796
#1 [ffff880028307ea0] notifier_call_chain at ffffffff814ef745
#2 [ffff880028307ee0] atomic_notifier_call_chain at ffffffff814ef7aa
#3 [ffff880028307ef0] notify_die at ffffffff810969ae
#4 [ffff880028307f20] do_nmi at ffffffff814ed3c3
#5 [ffff880028307f50] nmi at ffffffff814eccd0
[exception RIP: _spin_lock+30]
RIP: ffffffff814ec53e RSP: ffff880028303f08 RFLAGS: 00000006
RAX: 0000000000000001 RBX: ffff8800283115a8 RCX: 0000000000000016
RDX: 0000000000000000 RSI: 0000000000000002 RDI: ffff8800283115a0
RBP: ffff880028303f08 R8: 7fffffffffffffff R9: 0000000000000001
R10: 000259c06d811b52 R11: 0000000000000001 R12: ffff880028303f48
R13: ffff8800283115a0 R14: 0000000000000000 R15: 7fffffffffffffff
ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018
--- <NMI exception stack> ---
#6 [ffff880028303f08] _spin_lock at ffffffff814ec53e
#7 [ffff880028303f10] hrtimer_interrupt at ffffffff81095457
#8 [ffff880028303f90] smp_apic_timer_interrupt at ffffffff814f1f9b
#9 [ffff880028303fb0] apic_timer_interrupt at ffffffff8100bb93
--- <IRQ stack> ---
#10 [ffff88011cc13e28] apic_timer_interrupt at ffffffff8100bb93
[exception RIP: native_safe_halt+11]
RIP: ffffffff810377cb RSP: ffff88011cc13ed8 RFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff88011cc13ed8 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffffff81dd8228
RBP: ffffffff8100bb8e R8: 0000000000000000 R9: 0000000000000000
R10: 000259c06d811b52 R11: 0000000000000000 R12: ffff8800283115e8
R13: ffff88011cc13e98 R14: 0000000000000292 R15: 000000012830e0e0
ORIG_RAX: ffffffffffffff10 CS: 0010 SS: 0018
#11 [ffff88011cc13ee0] default_idle at ffffffff8101485d
#12 [ffff88011cc13f00] cpu_idle at ffffffff81009fc6
PID: 0 TASK: ffff88011cc42aa0 CPU: 3 COMMAND: "swapper"
#0 [ffff880028387e90] crash_nmi_callback at ffffffff81029796
#1 [ffff880028387ea0] notifier_call_chain at ffffffff814ef745
#2 [ffff880028387ee0] atomic_notifier_call_chain at ffffffff814ef7aa
#3 [ffff880028387ef0] notify_die at ffffffff810969ae
#4 [ffff880028387f20] do_nmi at ffffffff814ed3c3
#5 [ffff880028387f50] nmi at ffffffff814eccd0
[exception RIP: rb_insert_color+62]
RIP: ffffffff8126f2ae RSP: ffff880028383e58 RFLAGS: 00000086
RAX: ffff8801175da718 RBX: ffff8801175da718 RCX: ffff8801175da718
R13: ffff88011cc13e98 R14: 0000000000000292 R15: 000000012830e0e0
ORIG_RAX: ffffffffffffff10 CS: 0010 SS: 0018
#11 [ffff88011cc13ee0] default_idle at ffffffff8101485d
#12 [ffff88011cc13f00] cpu_idle at ffffffff81009fc6
PID: 0 TASK: ffff88011cc42aa0 CPU: 3 COMMAND: "swapper"
#0 [ffff880028387e90] crash_nmi_callback at ffffffff81029796
#1 [ffff880028387ea0] notifier_call_chain at ffffffff814ef745
#2 [ffff880028387ee0] atomic_notifier_call_chain at ffffffff814ef7aa
#3 [ffff880028387ef0] notify_die at ffffffff810969ae
#4 [ffff880028387f20] do_nmi at ffffffff814ed3c3
#5 [ffff880028387f50] nmi at ffffffff814eccd0
[exception RIP: rb_insert_color+62]
RIP: ffffffff8126f2ae RSP: ffff880028383e58 RFLAGS: 00000086
RAX: ffff8801175da718 RBX: ffff8801175da718 RCX: ffff8801175da718
RDX: ffff8801175da718 RSI: ffff8800282115f8 RDI: ffff8801175da718
RBP: ffff880028383e88 R8: ffff8800282116a0 R9: 000259c06e078200
R10: 0000000000000010 R11: 0000000000000000 R12: ffff8801175da718
R13: ffff8801175da718 R14: ffff8801175da718 R15: ffff8801175da718
ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018
--- <NMI exception stack> ---
#6 [ffff880028383e58] rb_insert_color at ffffffff8126f2ae
#7 [ffff880028383e90] enqueue_hrtimer at ffffffff810949d2
#8 [ffff880028383ec0] __run_hrtimer at ffffffff81095140
#9 [ffff880028383f10] hrtimer_interrupt at ffffffff810954b6
#10 [ffff880028383f90] smp_apic_timer_interrupt at ffffffff814f1f9b
#11 [ffff880028383fb0] apic_timer_interrupt at ffffffff8100bb93
--- <IRQ stack> ---
#12 [ffff88011cc47e28] apic_timer_interrupt at ffffffff8100bb93
[exception RIP: native_safe_halt+11]
RIP: ffffffff810377cb RSP: ffff88011cc47ed8 RFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff88011cc47ed8 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffffff81dd8228
RBP: ffffffff8100bb8e R8: 0000000000000000 R9: 0000000000000000
R10: 000259c06880be40 R11: 0000000000000000 R12: ffff8800283915e8
R13: ffff88011cc47e98 R14: 0000000000000292 R15: 000000012838e0e0
ORIG_RAX: ffffffffffffff10 CS: 0010 SS: 0018
#13 [ffff88011cc47ee0] default_idle at ffffffff8101485d
#14 [ffff88011cc47f00] cpu_idle at ffffffff81009fc6
another time,
--------------------------------------------------------------------
KERNEL: /usr/lib/debug/lib/modules/2.6.32-279.19.1.el6.x86_64/vmlinux
DUMPFILE: vmcore [PARTIAL DUMP]
CPUS: 4
DATE: Sun Feb 10 12:12:27 2013
UPTIME: 6 days, 02:22:07
LOAD AVERAGE: 3.99, 3.97, 3.57
TASKS: 150
NODENAME: xxxx
RELEASE: 2.6.32-279.19.1.el6.x86_64
VERSION: #1 SMP Wed Dec 19 07:05:20 UTC 2012
MACHINE: x86_64 (2400 Mhz)
MEMORY: 4 GB
PANIC: "Kernel panic - not syncing: NMI: Not continuing"
PID: 0
COMMAND: "swapper"
TASK: ffffffff81a8d020 (1 of 4) [THREAD_INFO: ffffffff81a00000]
CPU: 0
STATE: TASK_RUNNING (PANIC)
crash> bt -a
PID: 0 TASK: ffffffff81a8d020 CPU: 0 COMMAND: "swapper"
#0 [ffff880028207d70] machine_kexec at ffffffff81031f7b
#1 [ffff880028207dd0] crash_kexec at ffffffff810b8c22
#2 [ffff880028207ea0] panic at ffffffff814e9548
#3 [ffff880028207f20] do_nmi at ffffffff814ed490
#4 [ffff880028207f50] nmi at ffffffff814eccd0
[exception RIP: _spin_lock+30]
RIP: ffffffff814ec53e RSP: ffff880028203df0 RFLAGS: 00000206
RAX: 0000000000000002 RBX: ffff8800dc8acac0 RCX: 0000000000000000
RDX: 0000000000000000 RSI: dead000000200200 RDI: ffff88011bdc009c
RBP: ffff880028203df0 R8: ffff88002820e0e0 R9: 0001dd45808e4500
R10: 0000000000000010 R11: 0000000000000000 R12: ffffffff8200ae50
R13: 0000000000000008 R14: 0000000000000003 R15: 0000000000000004
ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018
--- <NMI exception stack> ---
#5 [ffff880028203df0] _spin_lock at ffffffff814ec53e
#6 [ffff880028203df8] est_timer at ffffffff814250f1
#7 [ffff880028203e48] run_timer_softirq at ffffffff8107d2c7
#8 [ffff880028203ed8] __do_softirq at ffffffff81072991
#9 [ffff880028203f48] call_softirq at ffffffff8100c1cc
#10 [ffff880028203f60] do_softirq at ffffffff8100de05
#11 [ffff880028203f80] irq_exit at ffffffff81072775
#12 [ffff880028203f90] smp_apic_timer_interrupt at ffffffff814f1fa0
#13 [ffff880028203fb0] apic_timer_interrupt at ffffffff8100bb93
--- <IRQ stack> ---
#14 [ffffffff81a01e18] apic_timer_interrupt at ffffffff8100bb93
[exception RIP: native_safe_halt+11]
RIP: ffffffff810377cb RSP: ffffffff81a01ec8 RFLAGS: 00000246
RAX: 0000000000000000 RBX: ffffffff81a01ec8 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffffff81dd8228
RBP: ffffffff8100bb8e R8: 0000000000000000 R9: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff810978b5
R13: ffffffff81a01e58 R14: ffffffff81012a19 R15: ffffffff81a01e28
ORIG_RAX: ffffffffffffff10 CS: 0010 SS: 0018
#15 [ffffffff81a01ed0] default_idle at ffffffff8101485d
#16 [ffffffff81a01ef0] cpu_idle at ffffffff81009fc6
PID: 0 TASK: ffff88011d7fd540 CPU: 1 COMMAND: "swapper"
#0 [ffff880028287e90] crash_nmi_callback at ffffffff81029796
#1 [ffff880028287ea0] notifier_call_chain at ffffffff814ef745
#2 [ffff880028287ee0] atomic_notifier_call_chain at ffffffff814ef7aa
#3 [ffff880028287ef0] notify_die at ffffffff810969ae
#4 [ffff880028287f20] do_nmi at ffffffff814ed3c3
#5 [ffff880028287f50] nmi at ffffffff814eccd0
[exception RIP: _spin_lock+30]
RIP: ffffffff814ec53e RSP: ffff880028283b30 RFLAGS: 00000206
RAX: 0000000000000001 RBX: ffff880079551680 RCX: ffffffffa0227860
RDX: 0000000000000000 RSI: 000000000000000e RDI: ffff88011bdc009c
RBP: ffff880028283b30 R8: 0000000000000000 R9: 000000000000002c
R10: c302b7d935580000 R11: 000803ff13005652 R12: ffff88011bdc0000
R13: ffff8801175ef020 R14: ffff880116e49ec0 R15: ffff88011bdc009c
ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018
--- <NMI exception stack> ---
#6 [ffff880028283b30] _spin_lock at ffffffff814ec53e
#7 [ffff880028283b38] dev_queue_xmit at ffffffff8142dac9
#8 [ffff880028283b88] neigh_resolve_output at ffffffff81432b75
#9 [ffff880028283bd8] ip_finish_output at ffffffff81464f8c
#10 [ffff880028283c18] ip_output at ffffffff81465218
#11 [ffff880028283c48] ip_forward_finish at ffffffff8146055f
#12 [ffff880028283c68] ip_forward at ffffffff81460760
#13 [ffff880028283ca8] ip_rcv_finish at ffffffff8145e8fd
#14 [ffff880028283ce8] ip_rcv at ffffffff8145ee85
#15 [ffff880028283d28] __netif_receive_skb at ffffffff8142946b
#16 [ffff880028283d88] netif_receive_skb at ffffffff8142b5e8
#17 [ffff880028283dc8] virtnet_poll at ffffffffa022655d [virtio_net]
#18 [ffff880028283e68] net_rx_action at ffffffff8142d7c3
#19 [ffff880028283ec8] __do_softirq at ffffffff81072991
#20 [ffff880028283f38] call_softirq at ffffffff8100c1cc
#21 [ffff880028283f50] do_softirq at ffffffff8100de05
#22 [ffff880028283f70] irq_exit at ffffffff81072775
#23 [ffff880028283f80] do_IRQ at ffffffff814f1eb5
--- <IRQ stack> ---
#24 [ffff88011d7ffe28] ret_from_intr at ffffffff8100b9d3
[exception RIP: native_safe_halt+11]
RIP: ffffffff810377cb RSP: ffff88011d7ffed8 RFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff88011d7ffed8 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffffff81dd8228
RBP: ffffffff8100b9ce R8: 0000000000000000 R9: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8800282915e8
R13: ffff88011d7ffe98 R14: 0000000000000292 R15: 000000012828e0e0
ORIG_RAX: ffffffffffffff96 CS: 0010 SS: 0018
#25 [ffff88011d7ffee0] default_idle at ffffffff8101485d
#26 [ffff88011d7fff00] cpu_idle at ffffffff81009fc6
PID: 0 TASK: ffff88011cc06040 CPU: 2 COMMAND: "swapper"
#0 [ffff880028307e90] crash_nmi_callback at ffffffff81029796
#1 [ffff880028307ea0] notifier_call_chain at ffffffff814ef745
#2 [ffff880028307ee0] atomic_notifier_call_chain at ffffffff814ef7aa
#3 [ffff880028307ef0] notify_die at ffffffff810969ae
#4 [ffff880028307f20] do_nmi at ffffffff814ed3c3
#5 [ffff880028307f50] nmi at ffffffff814eccd0
[exception RIP: _spin_lock_irqsave+47]
RIP: ffffffff814ec42f RSP: ffff880028303ca0 RFLAGS: 00000006
RAX: 0000000000000002 RBX: ffff8800283915e8 RCX: 0000000000000000
RDX: 0000000000000286 RSI: ffff880028303d38 RDI: ffff8800283915a0
RBP: ffff880028303ca0 R8: 0000000000000001 R9: 0000000000000001
R10: 0000000000000000 R11: 0000000000000001 R12: ffff88011bdc0718
R13: ffff880028303d38 R14: 00000000000115a0 R15: 0000000000000000
ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018
--- <NMI exception stack> ---
#6 [ffff880028303ca0] _spin_lock_irqsave at ffffffff814ec42f
#7 [ffff880028303ca8] lock_hrtimer_base at ffffffff81094d41
#8 [ffff880028303cd8] __hrtimer_start_range_ns at ffffffff8109572a
#9 [ffff880028303d78] hrtimer_start at ffffffff81095b78
#10 [ffff880028303d88] qdisc_watchdog_schedule at ffffffff81448e3f
#11 [ffff880028303d98] htb_dequeue at ffffffffa02f836f [sch_htb]
#12 [ffff880028303e68] __qdisc_run at ffffffff8144717f
#13 [ffff880028303e98] net_tx_action at ffffffff81427350
#14 [ffff880028303ed8] __do_softirq at ffffffff81072991
#15 [ffff880028303f48] call_softirq at ffffffff8100c1cc
#16 [ffff880028303f60] do_softirq at ffffffff8100de05
#17 [ffff880028303f80] irq_exit at ffffffff81072775
#18 [ffff880028303f90] smp_apic_timer_interrupt at ffffffff814f1fa0
#19 [ffff880028303fb0] apic_timer_interrupt at ffffffff8100bb93
--- <IRQ stack> ---
#20 [ffff88011cc13e28] apic_timer_interrupt at ffffffff8100bb93
[exception RIP: native_safe_halt+11]
RIP: ffffffff810377cb RSP: ffff88011cc13ed8 RFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff88011cc13ed8 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffffff81dd8228
RBP: ffffffff8100bb8e R8: 0000000000000000 R9: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8800283115e8
R13: ffff88011cc13e98 R14: 0000000000000292 R15: 000000012830e0e0
ORIG_RAX: ffffffffffffff10 CS: 0010 SS: 0018
#21 [ffff88011cc13ee0] default_idle at ffffffff8101485d
#22 [ffff88011cc13f00] cpu_idle at ffffffff81009fc6
PID: 0 TASK: ffff88011cc42aa0 CPU: 3 COMMAND: "swapper"
#0 [ffff880028387e90] crash_nmi_callback at ffffffff81029796
#1 [ffff880028387ea0] notifier_call_chain at ffffffff814ef745
#2 [ffff880028387ee0] atomic_notifier_call_chain at ffffffff814ef7aa
#3 [ffff880028387ef0] notify_die at ffffffff810969ae
#4 [ffff880028387f20] do_nmi at ffffffff814ed3c3
#5 [ffff880028387f50] nmi at ffffffff814eccd0
[exception RIP: _spin_lock_irqsave+47]
RIP: ffffffff814ec42f RSP: ffff880028383e78 RFLAGS: 00000006
RAX: 0000000000000001 RBX: ffff8800283915a0 RCX: 0000000000000000
RDX: 0000000000000086 RSI: 0000000032e18374 RDI: ffff8800283915a0
RBP: ffff880028383e78 R8: 0000000000000003 R9: 000000011f42a67c
R10: 0000000000000001 R11: 0000000000000000 R12: 7fffffffffffffff
R13: 00000000000115a0 R14: ffff88002838e0e0 R15: 0000000000000096
ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018
--- <NMI exception stack> ---
#6 [ffff880028383e78] _spin_lock_irqsave at ffffffff814ec42f
#7 [ffff880028383e80] hrtimer_get_next_event at ffffffff81094c56
#8 [ffff880028383ec0] get_next_timer_interrupt at ffffffff8107ce60
#9 [ffff880028383f20] tick_nohz_stop_sched_tick at ffffffff810a1379
#10 [ffff880028383f80] irq_exit at ffffffff81072766
#11 [ffff880028383f90] smp_apic_timer_interrupt at ffffffff814f1fa0
#12 [ffff880028383fb0] apic_timer_interrupt at ffffffff8100bb93
--- <IRQ stack> ---
#13 [ffff88011cc47e28] apic_timer_interrupt at ffffffff8100bb93
[exception RIP: native_safe_halt+11]
RIP: ffffffff810377cb RSP: ffff88011cc47ed8 RFLAGS: 00000246
RAX: 0000000000000000 RBX: ffff88011cc47ed8 RCX: 0000000000000000
RDX: 0000000000000000 RSI: 0000000000000001 RDI: ffffffff81dd8228
RBP: ffffffff8100bb8e R8: 0000000000000000 R9: 0000000000000000
R10: 0000000000000000 R11: 0000000000000000 R12: ffff8800283915e8
R13: ffff88011cc47e98 R14: 0000000000000292 R15: 000000012838e0e0
ORIG_RAX: ffffffffffffff10 CS: 0010 SS: 0018
#14 [ffff88011cc47ee0] default_idle at ffffffff8101485d
#15 [ffff88011cc47f00] cpu_idle at ffffffff81009fc6
--
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