Bug#822936: Occurs on Stretch
[814247.295392] INFO: rcu_sched self-detected stall on CPU
[814247.295421] INFO: rcu_sched detected stalls on CPUs/tasks:
[814247.295444] 0-...: (1 ticks this GP) idle=d81/2/0
softirq=3762400/3762400 fqs=1
[814247.295448]
[814247.295456] (detected by 1, t=27866 jiffies, g=2973706, c=2973705, q=0)
[814247.295461] Task dump for CPU 0:
[814247.295466] swapper/0 R
[814247.295469] running task
[814247.295476] 0 0 0 0x00000008
[814247.295483] da7c55f0
[814247.295487] da761fbc
[814247.295491] 00000000
[814247.295494] da76007b
[814247.295497] c58b007b
[814247.295501] 000200d8
[814247.295504] da7c00e0
[814247.295507] ffffff5e
[814247.295512] da480944
[814247.295516] 00000060
[814247.295519] 00200246
[814247.295522] 0000a575
[814247.295526] c58a7700
[814247.295529] 0002e473
[814247.295532] 00000000
[814247.295535] da7c54a0
[814247.295540] 00000004
[814247.295543] ff9d7fe0
[814247.295547] c58bc430
[814247.295550] 0002e473
[814247.295553] 00000000
[814247.295556] ff9d7fe0
[814247.295559] da7c54a0
[814247.295563] da761fe4
[814247.295568] Call Trace:
[814247.295605] [<da480944>] ? cpuidle_enter_state+0x134/0x330
[814247.295623] [<da0a9355>] ? cpu_startup_entry+0x135/0x220
[814247.295640] [<da803b53>] ? start_kernel+0x39d/0x3b4
[814247.295656] rcu_sched kthread starved for 27864 jiffies! g2973706
c2973705 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x1
[814247.295661] rcu_sched S
[814247.295668] 0 7 2 0x00000000
[814247.295673] 00000000
[814247.295677] f79f2ac0
[814247.295680] f65c8c00
[814247.295684] f751bed4
[814247.295687] da5a9e7e
[814247.295690] f751bebc
[814247.295694] da0d4cd7
[814247.295697] da8b8280
[814247.295702] 0051bec4
[814247.295706] f7518db8
[814247.295709] f7520a00
[814247.295712] f7520a00
[814247.295715] f79f2ac0
[814247.295719] f75189c0
[814247.295722] f751bee0
[814247.295726] f75189c0
[814247.295731] f79ec900
[814247.295734] f751bf00
[814247.295737] f751bee0
[814247.295741] da5aa3ae
[814247.295744] f79ec900
[814247.295747] f751bf28
[814247.295750] da5ad08f
[814247.295763] da782140
[814247.295767] Call Trace:
[814247.295788] [<da5a9e7e>] ? __schedule+0x25e/0x760
[814247.295805] [<da0d4cd7>] ? lock_timer_base+0x67/0x80
[814247.295818] [<da5aa3ae>] ? schedule+0x2e/0x80
[814247.295832] [<da5ad08f>] ? schedule_timeout+0x12f/0x300
[814247.295846] [<da0d5d40>] ? del_timer_sync+0x50/0x50
[814247.295858] [<da0d0651>] ? rcu_gp_kthread+0x4a1/0x7c0
[814247.295873] [<da084314>] ? kthread+0xb4/0xd0
[814247.295884] [<da0d01b0>] ? rcu_note_context_switch+0xf0/0xf0
[814247.295896] [<da084260>] ? kthread_park+0x50/0x50
[814247.295908] [<da5ae643>] ? ret_from_fork+0x1b/0x28
[814247.297335] 0-...: (1 ticks this GP) idle=d81/2/0
softirq=3762400/3762400 fqs=1
[814247.297772] (t=27867 jiffies g=2973706 c=2973705 q=2)
[814247.298125] rcu_sched kthread starved for 27865 jiffies! g2973706
c2973705 f0x2 RCU_GP_WAIT_FQS(3) ->state=0x0
[814247.298718] rcu_sched R running task 0 7 2 0x00000000
[814247.298741] 00000000 f79f2ac0 f65c8c00 f751bed4 da5a9e7e f751bebc
da0d4cd7 da8b8280
[814247.298774] 0051bec4 f7518db8 f7520a00 f7520a00 f79f2ac0 f75189c0
f751bee0 f75189c0
[814247.298805] f79ec900 f751bf00 f751bee0 da5aa3ae f79ec900 f751bf28
da5ad08f da782140
[814247.298835] Call Trace:
[814247.298871] [<da5a9e7e>] ? __schedule+0x25e/0x760
[814247.298893] [<da0d4cd7>] ? lock_timer_base+0x67/0x80
[814247.298909] [<da5aa3ae>] ? schedule+0x2e/0x80
[814247.298924] [<da5ad08f>] ? schedule_timeout+0x12f/0x300
[814247.298941] [<da0d5d40>] ? del_timer_sync+0x50/0x50
[814247.298957] [<da0d0651>] ? rcu_gp_kthread+0x4a1/0x7c0
[814247.298976] [<da084314>] ? kthread+0xb4/0xd0
[814247.298990] [<da0d01b0>] ? rcu_note_context_switch+0xf0/0xf0
[814247.299005] [<da084260>] ? kthread_park+0x50/0x50
[814247.299019] [<da5ae643>] ? ret_from_fork+0x1b/0x28
[814247.299030] Task dump for CPU 0:
[814247.299037] swapper/0 R running task 0 0 0 0x00000008
[814247.299054] f742fe54 da091941 da6b35df 00000000 00000000 00000000
00000008 da782140
[814247.299082] da782140 00000000 f742fe6c da166884 00200087 f79df300
da782140 da782140
[814247.299112] f742feb8 da0d20e1 da6a9ed0 00006cdb 002d600a 002d6009
00000002 f79deac0
[814247.299142] Call Trace:
[814247.299150] <IRQ>
[814247.299172] [<da091941>] ? sched_show_task+0xf1/0x160
[814247.299186] [<da166884>] ? rcu_dump_cpu_stacks+0x79/0x95
[814247.299186] [<da0d20e1>] ? rcu_check_callbacks+0x631/0x780
[814247.299186] [<da094f7a>] ? account_process_tick+0x5a/0x150
[814247.299186] [<da0d7748>] ? update_process_times+0x28/0x50
[814247.299186] [<da0e8c86>] ? tick_sched_handle.isra.11+0x26/0x60
[814247.299186] [<da0e8cfa>] ? tick_sched_timer+0x3a/0x80
[814247.299186] [<da0d81df>] ? __remove_hrtimer+0x3f/0x80
[814247.299186] [<da0d8400>] ? __hrtimer_run_queues+0xc0/0x260
[814247.299186] [<da0e8cc0>] ? tick_sched_handle.isra.11+0x60/0x60
[814247.299186] [<da0d8c23>] ? hrtimer_interrupt+0x93/0x1a0
[814247.299186] [<da024d02>] ? timer_interrupt+0x12/0x20
[814247.299186] [<da0c4ba8>] ? __handle_irq_event_percpu+0x78/0x190
[814247.299186] [<da0c4ceb>] ? handle_irq_event_percpu+0x2b/0x70
[814247.299186] [<da0c4d5f>] ? handle_irq_event+0x2f/0x50
[814247.299186] [<da0c810d>] ? handle_edge_irq+0x6d/0x120
[814247.299186] [<da0c80a0>] ? handle_level_irq+0xe0/0xe0
[814247.299186] [<da024844>] ? handle_irq+0x54/0x70
[814247.299186] <EOI>
[814247.299186] <IRQ>
[814247.299186] [<da5af9ac>] ? do_IRQ+0x3c/0xc0
[814247.299186] [<da146a6d>] ? irq_work_run_list+0x3d/0x60
[814247.299186] [<da5aee73>] ? common_interrupt+0x33/0x38
[814247.299186] [<da5afb98>] ? __do_softirq+0x58/0x240
[814247.299186] [<da5afb40>] ? __irqentry_text_end+0x3/0x3
[814247.299186] [<da5af87f>] ? nmi+0x53/0x6d
[814247.299186] [<da5afb40>] ? __irqentry_text_end+0x3/0x3
[814247.299186] [<da0247e8>] ? do_softirq_own_stack+0x28/0x30
[814247.299186] <EOI>
[814247.299186] [<da06cc9d>] ? irq_exit+0xad/0xb0
[814247.299186] [<da5af9b5>] ? do_IRQ+0x45/0xc0
[814247.299186] [<da5aee73>] ? common_interrupt+0x33/0x38
[814247.299186] [<da480944>] ? cpuidle_enter_state+0x134/0x330
[814247.299186] [<da0a9355>] ? cpu_startup_entry+0x135/0x220
[814247.299186] [<da803b53>] ? start_kernel+0x39d/0x3b4
On Sun, Nov 5, 2017 at 9:52 PM, Jiann-Ming Su <sujiannming@gmail.com> wrote:
> # uname -v
> #1 SMP Debian 4.9.51-1 (2017-09-28)
>
> [256204.725417] INFO: rcu_sched self-detected stall on CPU
> [256204.725450] INFO: rcu_sched detected stalls on CPUs/tasks:
> [256204.725473] 0-...: (2 GPs behind) idle=52b/2/0
> softirq=1717403/1717404 fqs=0
> [256204.725477]
> [256204.725485] (detected by 1, t=18640 jiffies, g=600410, c=600409, q=1)
> [256204.725490] Task dump for CPU 0:
> [256204.725495] swapper/0 R
> [256204.725498] running task
> [256204.725505] 0 0 0 0x00000008
> [256204.725512] d07c55f0
> [256204.725517] d0761fbc
> [256204.725520] 00000000
> [256204.725523] d076007b
> [256204.725527] f3ec007b
> [256204.725530] 000000d8
> [256204.725533] d07c00e0
> [256204.725537] ffffff5e
> [256204.725542] d0480944
> [256204.725545] 00000060
> [256204.725548] 00200246
> [256204.725552] 000ad6bb
> [256204.725555] f3ea7231
> [256204.725558] 0000e8f2
> [256204.725561] 00000000
> [256204.725565] d07c54a0
> [256204.725570] 00000004
> [256204.725573] ff9d7fe0
> [256204.725576] f3ec141f
> [256204.725580] 0000e8f2
> [256204.725583] 00000000
> [256204.725586] ff9d7fe0
> [256204.725589] d07c54a0
> [256204.725593] d0761fe4
> [256204.725598] Call Trace:
> [256204.725653] [<d0480944>] ? cpuidle_enter_state+0x134/0x330
> [256204.725673] [<d00a9355>] ? cpu_startup_entry+0x135/0x220
> [256204.725685] [<d0803b53>] ? start_kernel+0x39d/0x3b4
> [256204.725696] rcu_sched kthread starved for 18640 jiffies! g600410
> c600409 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x1
> [256204.725701] rcu_sched S
> [256204.725705] 0 7 2 0x00000000
> [256204.725709] 00000000
> [256204.725711] f79f2ac0
> [256204.725713] f6c9be00
> [256204.725715] f751bed4
> [256204.725717] d05a9e7e
> [256204.725719] f751bebc
> [256204.725727] d00d4cd7
> [256204.725729] d08b8280
> [256204.725732] 0051bec4
> [256204.725734] f7518db8
> [256204.725736] f7520a00
> [256204.725737] f7520a00
> [256204.725739] f79f2ac0
> [256204.725741] f75189c0
> [256204.725744] f751bee0
> [256204.725746] f75189c0
> [256204.725749] f79ec900
> [256204.725750] f751bf00
> [256204.725752] f751bee0
> [256204.725754] d05aa3ae
> [256204.725756] f79ec900
> [256204.725758] f751bf28
> [256204.725760] d05ad08f
> [256204.725762] 00000002
> [256204.725765] Call Trace:
> [256204.725779] [<d05a9e7e>] ? __schedule+0x25e/0x760
> [256204.725790] [<d00d4cd7>] ? lock_timer_base+0x67/0x80
> [256204.725798] [<d05aa3ae>] ? schedule+0x2e/0x80
> [256204.725807] [<d05ad08f>] ? schedule_timeout+0x12f/0x300
> [256204.725815] [<d00d5d40>] ? del_timer_sync+0x50/0x50
> [256204.725823] [<d00d0651>] ? rcu_gp_kthread+0x4a1/0x7c0
> [256204.725833] [<d0084314>] ? kthread+0xb4/0xd0
> [256204.725839] [<d00d01b0>] ? rcu_note_context_switch+0xf0/0xf0
> [256204.725847] [<d0084260>] ? kthread_park+0x50/0x50
> [256204.725854] [<d05ae643>] ? ret_from_fork+0x1b/0x28
> [256204.726675] 0-...: (2 GPs behind) idle=52b/2/0
> softirq=1717403/1717404 fqs=0
> [256204.726951] (t=18640 jiffies g=600410 c=600409 q=1)
> [256204.727207] rcu_sched kthread starved for 18640 jiffies! g600410
> c600409 f0x2 RCU_GP_WAIT_FQS(3) ->state=0x0
> [256204.727557] rcu_sched R running task 0 7 2 0x00000000
> [256204.727579] 00000000 f79f2ac0 f6c9be00 f751bed4 d05a9e7e f751bebc
> d00d4cd7 d08b8280
> [256204.727599] 0051bec4 f7518db8 f7520a00 f7520a00 f79f2ac0 f75189c0
> f751bee0 f75189c0
> [256204.727618] f79ec900 f751bf00 f751bee0 d05aa3ae f79ec900 f751bf28
> d05ad08f 00000002
> [256204.727638] Call Trace:
> [256204.727667] [<d05a9e7e>] ? __schedule+0x25e/0x760
> [256204.727681] [<d00d4cd7>] ? lock_timer_base+0x67/0x80
> [256204.727693] [<d05aa3ae>] ? schedule+0x2e/0x80
> [256204.727704] [<d05ad08f>] ? schedule_timeout+0x12f/0x300
> [256204.727714] [<d00d5d40>] ? del_timer_sync+0x50/0x50
> [256204.727722] [<d00d0651>] ? rcu_gp_kthread+0x4a1/0x7c0
> [256204.727733] [<d0084314>] ? kthread+0xb4/0xd0
> [256204.727741] [<d00d01b0>] ? rcu_note_context_switch+0xf0/0xf0
> [256204.727750] [<d0084260>] ? kthread_park+0x50/0x50
> [256204.727758] [<d05ae643>] ? ret_from_fork+0x1b/0x28
> [256204.727769] Task dump for CPU 0:
> [256204.727774] swapper/0 R running task 0 0 0 0x00000008
> [256204.727784] f742fe54 d0091941 d06b35df 00000000 00000000 00000000
> 00000008 d0782140
> [256204.727802] d0782140 00000000 f742fe6c d0166884 00200087 f79df300
> d0782140 d0782140
> [256204.727820] f742feb8 d00d20e1 d06a9ed0 000048d0 0009295a 00092959
> 00000001 f79deac0
> [256204.727839] Call Trace:
> [256204.727848] <IRQ>
> [256204.727872] [<d0091941>] ? sched_show_task+0xf1/0x160
> [256204.727892] [<d0166884>] ? rcu_dump_cpu_stacks+0x79/0x95
> [256204.727908] [<d00d20e1>] ? rcu_check_callbacks+0x631/0x780
> [256204.727922] [<d0094f7a>] ? account_process_tick+0x5a/0x150
> [256204.727937] [<d00d7748>] ? update_process_times+0x28/0x50
> [256204.727949] [<d00e8c86>] ? tick_sched_handle.isra.11+0x26/0x60
> [256204.727956] [<d00e8cfa>] ? tick_sched_timer+0x3a/0x80
> [256204.727965] [<d00d81df>] ? __remove_hrtimer+0x3f/0x80
> [256204.727976] [<d00d8400>] ? __hrtimer_run_queues+0xc0/0x260
> [256204.727987] [<d00e8cc0>] ? tick_sched_handle.isra.11+0x60/0x60
> [256204.727999] [<d00d8c23>] ? hrtimer_interrupt+0x93/0x1a0
> [256204.728012] [<d0024d02>] ? timer_interrupt+0x12/0x20
> [256204.728024] [<d00c4ba8>] ? __handle_irq_event_percpu+0x78/0x190
> [256204.728034] [<d00c4ceb>] ? handle_irq_event_percpu+0x2b/0x70
> [256204.728041] [<d00c4d5f>] ? handle_irq_event+0x2f/0x50
> [256204.728049] [<d00c810d>] ? handle_edge_irq+0x6d/0x120
> [256204.728057] [<d00c80a0>] ? handle_level_irq+0xe0/0xe0
> [256204.728063] [<d0024844>] ? handle_irq+0x54/0x70
> [256204.728067] <EOI>
> [256204.728072] <IRQ>
> [256204.728084] [<d05af9ac>] ? do_IRQ+0x3c/0xc0
> [256204.728099] [<d0146a6d>] ? irq_work_run_list+0x3d/0x60
> [256204.728109] [<d05aee73>] ? common_interrupt+0x33/0x38
> [256204.728119] [<d00600e0>] ? pre+0x150/0x270
> [256204.728127] [<d05afb98>] ? __do_softirq+0x58/0x240
> [256204.728135] [<d05afb40>] ? __irqentry_text_end+0x3/0x3
> [256204.728143] [<d05af87f>] ? nmi+0x53/0x6d
> [256204.728153] [<d05afb40>] ? __irqentry_text_end+0x3/0x3
> [256204.728162] [<d00247e8>] ? do_softirq_own_stack+0x28/0x30
> [256204.728165] <EOI>
> [256204.728175] [<d006cc9d>] ? irq_exit+0xad/0xb0
> [256204.728183] [<d05af9b5>] ? do_IRQ+0x45/0xc0
> [256204.728192] [<d05aee73>] ? common_interrupt+0x33/0x38
> [256204.728206] [<d0480944>] ? cpuidle_enter_state+0x134/0x330
> [256204.728218] [<d00a9355>] ? cpu_startup_entry+0x135/0x220
> [256204.728228] [<d0803b53>] ? start_kernel+0x39d/0x3b4
>
> On Sat, Oct 28, 2017 at 10:44 PM, Jiann-Ming Su <sujiannming@gmail.com> wrote:
>> linux-image-4.9.0-4-686-pae 4.9.51-1
>>
>> Oct 27 08:15:19 puar kernel: [26080.447922] INFO: rcu_sched
>> self-detected stall on CPU
>> Oct 27 08:15:19 puar kernel: [26080.447946] INFO: rcu_sched
>> self-detected stall on CPU
>> Oct 27 08:15:19 puar kernel: [26080.447964] 1-...: (1 GPs behind)
>> idle=c41/1/0 softirq=1143278/1143279 fqs=0
>> Oct 27 08:15:19 puar kernel: [26080.447968]
>> Oct 27 08:15:19 puar kernel: [26080.447976] (t=9226 jiffies g=487334
>> c=487333 q=1)
>> Oct 27 08:15:19 puar kernel: [26080.447988] rcu_sched kthread starved
>> for 9226 jiffies! g487334 c487333 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x1
>> Oct 27 08:15:19 puar kernel: [26080.447993] rcu_sched S
>> Oct 27 08:15:19 puar kernel: [26080.448001] 0 7 2 0x00000000
>> Oct 27 08:15:19 puar kernel: 00000000
>> Oct 27 08:15:19 puar kernel: [26080.448012] f300a100 f68b8800
>> f751bed4 c75a9e7e f751bebc c70d4cd7 c78b8280 0051bec4
>> Oct 27 08:15:19 puar kernel: [26080.448041] f7518db8 c7767680
>> f300a100 f79deac0 f75189c0 f751bee0 f75189c0 f79d8900
>> Oct 27 08:15:19 puar kernel: [26080.448069] f751bf00 f751bee0
>> c75aa3ae f79d8900 f751bf28 c75ad08f 00000002Call Trace:
>> Oct 27 08:15:19 puar kernel: [26080.448126] [<c75a9e7e>] ?
>> __schedule+0x25e/0x760
>> Oct 27 08:15:19 puar kernel: [26080.448144] [<c70d4cd7>] ?
>> lock_timer_base+0x67/0x80
>> Oct 27 08:15:19 puar kernel: [26080.448158] [<c75aa3ae>] ? schedule+0x2e/0x80
>> Oct 27 08:15:19 puar kernel: [26080.448172] [<c75ad08f>] ?
>> schedule_timeout+0x12f/0x300
>> Oct 27 08:15:19 puar kernel: [26080.448186] [<c70d5d40>] ?
>> del_timer_sync+0x50/0x50
>> Oct 27 08:15:19 puar kernel: [26080.448199] [<c70d0651>] ?
>> rcu_gp_kthread+0x4a1/0x7c0
>> Oct 27 08:15:19 puar kernel: [26080.448214] [<c7084314>] ? kthread+0xb4/0xd0
>> Oct 27 08:15:19 puar kernel: [26080.448225] [<c70d01b0>] ?
>> rcu_note_context_switch+0xf0/0xf0
>> Oct 27 08:15:19 puar kernel: [26080.448237] [<c7084260>] ?
>> kthread_park+0x50/0x50
>> Oct 27 08:15:19 puar kernel: [26080.448248] [<c75ae643>] ?
>> ret_from_fork+0x1b/0x28
>> Oct 27 08:15:19 puar kernel: [26080.448299] Task dump for CPU 0:
>> Oct 27 08:15:19 puar kernel: [26080.448307] swapper/0 R
>> Oct 27 08:15:19 puar kernel: [26080.448310] running task 0
>> 0 0 0x00000000
>> Oct 27 08:15:19 puar kernel: c77c55f0
>> Oct 27 08:15:19 puar kernel: [26080.448327] c7761fbc 00000000
>> c776007b bc31007b 000000d8 c77c00e0 ffffff5e c7480944
>> Oct 27 08:15:19 puar kernel: [26080.448355] 00000060 00000246
>> 00001667 bc2ca3cb 000017af 00000000 c77c54a0 00000004
>> Oct 27 08:15:19 puar kernel: [26080.448382] ff9d7fe0 bc314afc
>> 000017af 00000000 ff9d7fe0 c77c54a0 c7761fe4Call Trace:
>> Oct 27 08:15:19 puar kernel: [26080.448435] [<c7480944>] ?
>> cpuidle_enter_state+0x134/0x330
>> Oct 27 08:15:19 puar kernel: [26080.448451] [<c70a9355>] ?
>> cpu_startup_entry+0x135/0x220
>> Oct 27 08:15:19 puar kernel: [26080.448467] [<c7803b53>] ?
>> start_kernel+0x39d/0x3b4
>> Oct 27 08:15:19 puar kernel: [26080.448473] Task dump for CPU 1:
>> Oct 27 08:15:19 puar kernel: [26080.448478] swapper/1 R
>> Oct 27 08:15:19 puar kernel: [26080.448481] running task 0
>> 0 1 0x00000008
>> Oct 27 08:15:19 puar kernel: f7527dcc
>> Oct 27 08:15:19 puar kernel: [26080.448495] c7091941 c76b35df
>> 00000000 00000000 00000001 00000008 c7782140 c7782140
>> Oct 27 08:15:19 puar kernel: [26080.448522] 00000001 f7527de4
>> c7166884 00000087 f79f3300 c7782140 c7782140 f7527e30
>> Oct 27 08:15:19 puar kernel: [26080.448550] c70d20e1 c76a9ed0
>> 0000240a 00076fa6 00076fa5 00000001 603ea661Call Trace:
>> Oct 27 08:15:19 puar kernel: [26080.448593] [<c7091941>] ?
>> sched_show_task+0xf1/0x160
>> Oct 27 08:15:19 puar kernel: [26080.448612] [<c7166884>] ?
>> rcu_dump_cpu_stacks+0x79/0x95
>> Oct 27 08:15:19 puar kernel: [26080.448633] [<c70d20e1>] ?
>> rcu_check_callbacks+0x631/0x780
>> Oct 27 08:15:19 puar kernel: [26080.448652] [<c70d7748>] ?
>> update_process_times+0x28/0x50
>> Oct 27 08:15:19 puar kernel: [26080.448665] [<c70e8c86>] ?
>> tick_sched_handle.isra.11+0x26/0x60
>> Oct 27 08:15:19 puar kernel: [26080.448675] [<c70e8cfa>] ?
>> tick_sched_timer+0x3a/0x80
>> Oct 27 08:15:19 puar kernel: [26080.448688] [<c70d81df>] ?
>> __remove_hrtimer+0x3f/0x80
>> Oct 27 08:15:19 puar kernel: [26080.448700] [<c70d8400>] ?
>> __hrtimer_run_queues+0xc0/0x260
>> Oct 27 08:15:19 puar kernel: [26080.448712] [<c70e8cc0>] ?
>> tick_sched_handle.isra.11+0x60/0x60
>> Oct 27 08:15:19 puar kernel: [26080.448725] [<c70d8c23>] ?
>> hrtimer_interrupt+0x93/0x1a0
>> Oct 27 08:15:19 puar kernel: [26080.448742] [<c75afa63>] ?
>> smp_apic_timer_interrupt+0x33/0x50
>> Oct 27 08:15:19 puar kernel: [26080.448753] [<c75af178>] ?
>> apic_timer_interrupt+0x34/0x3c
>> Oct 27 08:15:19 puar kernel: [26080.448772] [<c7480944>] ?
>> cpuidle_enter_state+0x134/0x330
>> Oct 27 08:15:19 puar kernel: [26080.448787] [<c70a9355>] ?
>> cpu_startup_entry+0x135/0x220
>> Oct 27 08:15:19 puar kernel: [26080.448801] [<c70450f5>] ?
>> start_secondary+0x155/0x1b0
>> Oct 27 08:15:19 puar kernel: [26080.449772] 0-...: (1 ticks this
>> GP) idle=3e1/2/0 softirq=1245237/1245237 fqs=0
>> Oct 27 08:15:19 puar kernel: [26080.450190] (t=9227 jiffies
>> g=487334 c=487333 q=3)
>> Oct 27 08:15:19 puar kernel: [26080.450514] rcu_sched kthread starved
>> for 9227 jiffies! g487334 c487333 f0x0 RCU_GP_WAIT_FQS(3) ->state=0x0
>> Oct 27 08:15:19 puar kernel: [26080.451087] rcu_sched R running
>> task 0 7 2 0x00000000
>> Oct 27 08:15:19 puar kernel: [26080.451109] 00000000 f300a100
>> f68b8800 f751bed4 c75a9e7e f751bebc c70d4cd7 c78b8280
>> Oct 27 08:15:19 puar kernel: [26080.451143] 0051bec4 f7518db8
>> c7767680 f300a100 f79deac0 f75189c0 f751bee0 f75189c0
>> Oct 27 08:15:19 puar kernel: [26080.451175] f79d8900 f79d8900
>> f751bee0 c70d5d39 f79ec900 f751bf28 c75ad08f c7782140
>> Oct 27 08:15:19 puar kernel: [26080.451205] Call Trace:
>> Oct 27 08:15:19 puar kernel: [26080.451240] [<c75a9e7e>] ?
>> __schedule+0x25e/0x760
>> Oct 27 08:15:19 puar kernel: [26080.451257] [<c70d4cd7>] ?
>> lock_timer_base+0x67/0x80
>> Oct 27 08:15:19 puar kernel: [26080.451271] [<c75aa3ae>] ? schedule+0x2e/0x80
>> Oct 27 08:15:19 puar kernel: [26080.451285] [<c75ad08f>] ?
>> schedule_timeout+0x12f/0x300
>> Oct 27 08:15:19 puar kernel: [26080.451298] [<c70d5d40>] ?
>> del_timer_sync+0x50/0x50
>> Oct 27 08:15:19 puar kernel: [26080.451311] [<c70d0651>] ?
>> rcu_gp_kthread+0x4a1/0x7c0
>> Oct 27 08:15:19 puar kernel: [26080.451326] [<c7084314>] ? kthread+0xb4/0xd0
>> Oct 27 08:15:19 puar kernel: [26080.451337] [<c70d01b0>] ?
>> rcu_note_context_switch+0xf0/0xf0
>> Oct 27 08:15:19 puar kernel: [26080.451349] [<c7084260>] ?
>> kthread_park+0x50/0x50
>> Oct 27 08:15:19 puar kernel: [26080.451360] [<c75ae643>] ?
>> ret_from_fork+0x1b/0x28
>> Oct 27 08:15:19 puar kernel: [26080.451399] Task dump for CPU 0:
>> Oct 27 08:15:19 puar kernel: [26080.451404] swapper/0 R running
>> task 0 0 0 0x00000008
>> Oct 27 08:15:19 puar kernel: [26080.451419] f742fe54 c7091941
>> c76b35df 00000000 00000000 00000000 00000008 c7782140
>> Oct 27 08:15:19 puar kernel: [26080.451446] c7782140 00000000
>> f742fe6c c7166884 00000087 f79df300 c7782140 c7782140
>> Oct 27 08:15:19 puar kernel: [26080.451473] f742feb8 c70d20e1
>> c76a9ed0 0000240b 00076fa6 00076fa5 00000003 f79deac0
>> Oct 27 08:15:19 puar kernel: [26080.451500] Call Trace:
>> Oct 27 08:15:19 puar kernel: [26080.451506] <IRQ>
>> Oct 27 08:15:19 puar kernel: [26080.451525] [<c7091941>] ?
>> sched_show_task+0xf1/0x160
>> Oct 27 08:15:19 puar kernel: [26080.451543] [<c7166884>] ?
>> rcu_dump_cpu_stacks+0x79/0x95
>> Oct 27 08:15:19 puar kernel: [26080.451555] [<c70d20e1>] ?
>> rcu_check_callbacks+0x631/0x780
>> Oct 27 08:15:19 puar kernel: [26080.451569] [<c7094f7a>] ?
>> account_process_tick+0x5a/0x150
>> Oct 27 08:15:19 puar kernel: [26080.451583] [<c70d7748>] ?
>> update_process_times+0x28/0x50
>> Oct 27 08:15:19 puar kernel: [26080.451596] [<c70e8c86>] ?
>> tick_sched_handle.isra.11+0x26/0x60
>> Oct 27 08:15:19 puar kernel: [26080.451606] [<c70e8cfa>] ?
>> tick_sched_timer+0x3a/0x80
>> Oct 27 08:15:19 puar kernel: [26080.451618] [<c70d81df>] ?
>> __remove_hrtimer+0x3f/0x80
>> Oct 27 08:15:19 puar kernel: [26080.451631] [<c70d8400>] ?
>> __hrtimer_run_queues+0xc0/0x260
>> Oct 27 08:15:19 puar kernel: [26080.451642] [<c70e8cc0>] ?
>> tick_sched_handle.isra.11+0x60/0x60
>> Oct 27 08:15:19 puar kernel: [26080.451656] [<c70d8c23>] ?
>> hrtimer_interrupt+0x93/0x1a0
>> Oct 27 08:15:19 puar kernel: [26080.451671] [<c7024d02>] ?
>> timer_interrupt+0x12/0x20
>> Oct 27 08:15:19 puar kernel: [26080.451687] [<c70c4ba8>] ?
>> __handle_irq_event_percpu+0x78/0x190
>> Oct 27 08:15:19 puar kernel: [26080.451700] [<c70c4ceb>] ?
>> handle_irq_event_percpu+0x2b/0x70
>> Oct 27 08:15:19 puar kernel: [26080.451713] [<c70c4d5f>] ?
>> handle_irq_event+0x2f/0x50
>> Oct 27 08:15:19 puar kernel: [26080.451724] [<c70c810d>] ?
>> handle_edge_irq+0x6d/0x120
>> Oct 27 08:15:19 puar kernel: [26080.451735] [<c70c80a0>] ?
>> handle_level_irq+0xe0/0xe0
>> Oct 27 08:15:19 puar kernel: [26080.451745] [<c7024844>] ? handle_irq+0x54/0x70
>> Oct 27 08:15:19 puar kernel: [26080.451749] <EOI>
>> Oct 27 08:15:19 puar kernel: [26080.451754] <IRQ>
>> Oct 27 08:15:19 puar kernel: [26080.451767] [<c75af9ac>] ? do_IRQ+0x3c/0xc0
>> Oct 27 08:15:19 puar kernel: [26080.451779] [<c70a8d25>] ?
>> swake_up_locked+0x25/0x30
>> Oct 27 08:15:19 puar kernel: [26080.451790] [<c75aee73>] ?
>> common_interrupt+0x33/0x38
>> Oct 27 08:15:19 puar kernel: [26080.451803] [<c75afb98>] ?
>> __do_softirq+0x58/0x240
>> Oct 27 08:15:19 puar kernel: [26080.451817] [<c75afb40>] ?
>> __irqentry_text_end+0x3/0x3
>> Oct 27 08:15:19 puar kernel: [26080.451828] [<c70247e8>] ?
>> do_softirq_own_stack+0x28/0x30
>> Oct 27 08:15:19 puar kernel: [26080.451828] <EOI>
>> Oct 27 08:15:19 puar kernel: [26080.451828] [<c706cc9d>] ? irq_exit+0xad/0xb0
>> Oct 27 08:15:19 puar kernel: [26080.451828] [<c75af9b5>] ? do_IRQ+0x45/0xc0
>> Oct 27 08:15:19 puar kernel: [26080.451828] [<c75aee73>] ?
>> common_interrupt+0x33/0x38
>> Oct 27 08:15:19 puar kernel: [26080.451828] [<c7480944>] ?
>> cpuidle_enter_state+0x134/0x330
>> Oct 27 08:15:19 puar kernel: [26080.451828] [<c70a9355>] ?
>> cpu_startup_entry+0x135/0x220
>> Oct 27 08:15:19 puar kernel: [26080.451828] [<c7803b53>] ?
>> start_kernel+0x39d/0x3b4
>> Oct 27 08:15:19 puar kernel: [26080.451828] Task dump for CPU 1:
>> Oct 27 08:15:19 puar kernel: [26080.451828] kworker/1:1 R running
>> task 0 11974 2 0x00000000
>> Oct 27 08:15:19 puar kernel: [26080.451828] Workqueue: events
>> output_poll_execute [drm_kms_helper]
>> Oct 27 08:15:19 puar kernel: [26080.451828] f90bf4e0 f690ca7c
>> f690c94c 0000001f f690ca7c f6cd0d80 f79f2640 f31c5f38
>> Oct 27 08:15:19 puar kernel: [26080.451828] c707ee21 f750cd78
>> f79f2ac0 f7520a00 f79f2ac0 f750c980 00000000 f79f8100
>> Oct 27 08:15:19 puar kernel: [26080.451828] 00000000 f79f2640
>> f6cd0d98 f6cd0d80 f79f2640 f31c5f64 c707f0a1 f79f2ac0
>> Oct 27 08:15:19 puar kernel: [26080.451828] Call Trace:
>> Oct 27 08:15:19 puar kernel: [26080.451828] [<c707ee21>] ?
>> process_one_work+0x141/0x380
>> Oct 27 08:15:19 puar kernel: [26080.451828] [<c707f0a1>] ?
>> worker_thread+0x41/0x460
>> Oct 27 08:15:19 puar kernel: [26080.451828] [<c7084314>] ? kthread+0xb4/0xd0
>> Oct 27 08:15:19 puar kernel: [26080.451828] [<c707f060>] ?
>> process_one_work+0x380/0x380
>> Oct 27 08:15:19 puar kernel: [26080.451828] [<c7084260>] ?
>> kthread_park+0x50/0x50
>> Oct 27 08:15:19 puar kernel: [26080.451828] [<c75ae643>] ?
>> ret_from_fork+0x1b/0x28
>>
>>
>> --
>> Jiann-Ming Su
>> "I have to decide between two equally frightening options.
>> If I wanted to do that, I'd vote." --Duckman
>> "The system's broke, Hank. The election baby has peed in
>> the bath water. You got to throw 'em both out." --Dale Gribble
>> "Those who vote decide nothing.
>> Those who count the votes decide everything.” --Joseph Stalin
>
>
>
> --
> Jiann-Ming Su
> "I have to decide between two equally frightening options.
> If I wanted to do that, I'd vote." --Duckman
> "The system's broke, Hank. The election baby has peed in
> the bath water. You got to throw 'em both out." --Dale Gribble
> "Those who vote decide nothing.
> Those who count the votes decide everything.” --Joseph Stalin
--
Jiann-Ming Su
"I have to decide between two equally frightening options.
If I wanted to do that, I'd vote." --Duckman
"The system's broke, Hank. The election baby has peed in
the bath water. You got to throw 'em both out." --Dale Gribble
"Those who vote decide nothing.
Those who count the votes decide everything.” --Joseph Stalin
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