rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
(detected by 1, t=10502 jiffies, g=6457, q=153)
rcu: All QSes seen, last rcu_preempt kthread activity 10503 (4294954506-4294944003), jiffies_till_next_fqs=1, root ->qsmask 0x0
kworker/1:8 R running task 26600 2702 2 0x80004008
Workqueue: events linkwatch_event
Call Trace:
sched_show_task+0x40f/0x560 kernel/sched/core.c:5954
print_other_cpu_stall kernel/rcu/tree_stall.h:410 [inline]
check_cpu_stall kernel/rcu/tree_stall.h:538 [inline]
rcu_pending kernel/rcu/tree.c:2827 [inline]
rcu_sched_clock_irq+0x1861/0x1ad0 kernel/rcu/tree.c:2271
update_process_times+0x12d/0x180 kernel/time/timer.c:1726
tick_sched_handle kernel/time/tick-sched.c:167 [inline]
tick_sched_timer+0x263/0x420 kernel/time/tick-sched.c:1310
__run_hrtimer kernel/time/hrtimer.c:1517 [inline]
__hrtimer_run_queues+0x403/0x840 kernel/time/hrtimer.c:1579
hrtimer_interrupt+0x38c/0xda0 kernel/time/hrtimer.c:1641
local_apic_timer_interrupt arch/x86/kernel/apic/apic.c:1110 [inline]
smp_apic_timer_interrupt+0x109/0x280 arch/x86/kernel/apic/apic.c:1135
apic_timer_interrupt+0xf/0x20 arch/x86/entry/entry_64.S:829
RIP: 0010:mod_memcg_page_state+0x11e/0x190 include/linux/memcontrol.h:653
Code: c7 68 95 2a 89 e8 22 8f 6a 00 48 83 3d b2 fd e1 07 00 74 70 e8 c3 26 2e 00 4c 89 ff 57 9d 0f 1f 44 00 00 e8 44 cf 33 00 eb 43 ad 26 2e 00 eb 3c e8 d6 cc 33 00 48 c7 c0 68 95 2a 89 48 c1 e8
RSP: 0018:ffffc90007aaf6d0 EFLAGS: 00000246 ORIG_RAX: ffffffffffffff13
RAX: 1ffffd40005220e7 RBX: 0000000000000000 RCX: ffff8880a0354640
RDX: 0000000000000000 RSI: 00000000fffffffc RDI: ffffea0002910700
RBP: ffffc90007aaf6f0 R08: dffffc0000000000 R09: fffffbfff124248a
R10: fffffbfff124248a R11: 0000000000000000 R12: dffffc0000000000
R13: dffffc0000000000 R14: 00000000fffffffc R15: ffff88808ce6d438
free_thread_stack+0x168/0x590 kernel/fork.c:280
release_task_stack kernel/fork.c:440 [inline]
put_task_stack+0xa3/0x130 kernel/fork.c:451
finish_task_switch+0x3f1/0x550 kernel/sched/core.c:3256
context_switch kernel/sched/core.c:3388 [inline]
__schedule+0x9a8/0xcc0 kernel/sched/core.c:4081
preempt_schedule_common kernel/sched/core.c:4236 [inline]
preempt_schedule+0xdb/0x120 kernel/sched/core.c:4261
___preempt_schedule+0x16/0x18 arch/x86/entry/thunk_64.S:50
vprintk_emit+0x36d/0x3a0 kernel/printk/printk.c:1997
vprintk_default+0x28/0x30 kernel/printk/printk.c:2023
vprintk_func+0x158/0x170 kernel/printk/printk_safe.c:386
printk+0x62/0x8d kernel/printk/printk.c:2056
addrconf_notify+0x2c8d/0x3c90 net/ipv6/addrconf.c:3573
notifier_call_chain kernel/notifier.c:83 [inline]
__raw_notifier_call_chain kernel/notifier.c:361 [inline]
raw_notifier_call_chain+0xec/0x190 kernel/notifier.c:368
call_netdevice_notifiers_info net/core/dev.c:1893 [inline]
netdev_state_change+0x147/0x1f0 net/core/dev.c:1378
linkwatch_do_dev+0x10e/0x160 net/core/link_watch.c:159
__linkwatch_run_queue+0x446/0x730 net/core/link_watch.c:204
linkwatch_event+0x4c/0x60 net/core/link_watch.c:243
process_one_work+0x7ef/0x10d0 kernel/workqueue.c:2264
worker_thread+0xc01/0x1630 kernel/workqueue.c:2410
kthread+0x332/0x350 kernel/kthread.c:255
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352
rcu: rcu_preempt kthread starved for 10537 jiffies! g6457 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
rcu: RCU grace-period kthread stack dump:
rcu_preempt R running task 28984 10 2 0x80004000
Call Trace:
context_switch kernel/sched/core.c:3385 [inline]
__schedule+0x9a0/0xcc0 kernel/sched/core.c:4081
schedule+0x181/0x210 kernel/sched/core.c:4155
schedule_timeout+0x14f/0x240 kernel/time/timer.c:1895
rcu_gp_fqs_loop kernel/rcu/tree.c:1661 [inline]
rcu_gp_kthread+0xed8/0x1770 kernel/rcu/tree.c:1821
kthread+0x332/0x350 kernel/kthread.c:255
ret_from_fork+0x24/0x30 arch/x86/entry/entry_64.S:352