[ 576.245449][T17392] GACT probability NOT on [ 578.811355][T17575] Mirror/redirect action on [ 585.786748][T17993] tc (17993) used greatest stack depth: 23696 bytes left [ 587.642998][ C0] clocksource: Long readout interval, skipping watchdog check: cs_nsec: 1256023875 wd_nsec: 1256023919 [ 601.661626][ C0] clocksource: Long readout interval, skipping watchdog check: cs_nsec: 4146647512 wd_nsec: 4146647679 [ 656.998088][ C0] clocksource: Long readout interval, skipping watchdog check: cs_nsec: 12192797753 wd_nsec: 12192798297 [ 691.734009][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 691.734352][ C0] rcu: Tasks blocked on level-0 rcu_node (CPUs 0-3): P10/1:b..l [ 691.734777][ C0] rcu: (detected by 0, t=26002 jiffies, g=524813, q=314 ncpus=4) [ 691.735012][ C0] task:kworker/0:1 state:R running task stack:28544 pid:10 tgid:10 ppid:2 task_flags:0x4208060 flags:0x00080000 [ 691.735703][ C0] Workqueue: events_power_efficient gc_worker [nf_conntrack] [ 691.735971][ C0] Call Trace: [ 691.736098][ C0] [ 691.736201][ C0] __schedule+0xae2/0x1720 [ 691.736395][ C0] ? io_schedule_timeout+0x130/0x130 [ 691.736576][ C0] ? preempt_schedule_irq+0x46/0xa0 [ 691.736749][ C0] preempt_schedule_irq+0x51/0xa0 [ 691.736929][ C0] irqentry_exit+0xf4/0x4d0 [ 691.737101][ C0] ? common_interrupt+0xd6/0x100 [ 691.737266][ C0] asm_common_interrupt+0x26/0x40 [ 691.737434][ C0] RIP: 0010:gc_worker+0xaf7/0x1280 [nf_conntrack] [ 691.737682][ C0] Code: b4 24 00 01 00 00 48 c7 c7 a8 bc 38 c0 e8 b1 d2 46 c1 e8 4c 59 6c c1 9c 58 5e f6 c4 02 0f 85 86 03 00 00 fb 8b 05 e9 9e f2 ff 01 0f 84 7b f7 ff ff f3 90 e9 66 f7 ff ff e8 95 13 4f c1 84 c0 [ 691.738315][ C0] RSP: 0018:ffa00000000a7b18 EFLAGS: 00000246 [ 691.738531][ C0] RAX: 0000000000000000 RBX: dffffc0000000000 RCX: ffffffffc0461da4 [ 691.738797][ C0] RDX: ff11000001a50040 RSI: ffffffff817c6ba7 RDI: ffffffff83e67200 [ 691.739048][ C0] RBP: 0000000000001800 R08: 0000000000000000 R09: 0000000000000001 [ 691.739305][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: ff11000018e4af90 [ 691.739755][ C0] R13: 000000000000ea57 R14: 0000000000000068 R15: 0000000000002be5 [ 691.740009][ C0] ? gc_worker+0xae4/0x1280 [nf_conntrack] [ 691.740223][ C0] ? process_one_work+0xd57/0x1390 [ 691.740400][ C0] ? process_one_work+0xd57/0x1390 [ 691.740581][ C0] ? nf_conntrack_get_tuple_skb+0x3f0/0x3f0 [nf_conntrack] [ 691.740856][ C0] ? rcu_is_watching+0x15/0xd0 [ 691.741026][ C0] ? rcu_is_watching+0x15/0xd0 [ 691.741198][ C0] ? process_one_work+0xd16/0x1390 [ 691.741362][ C0] ? lock_acquire+0x10a/0x150 [ 691.741551][ C0] ? rcu_is_watching+0x15/0xd0 [ 691.741723][ C0] process_one_work+0xd57/0x1390 [ 691.741893][ C0] ? pwq_dec_nr_in_flight+0x700/0x700 [ 691.742061][ C0] ? lock_acquire.part.0+0xbc/0x260 [ 691.742235][ C0] ? assign_work+0x152/0x380 [ 691.742413][ C0] worker_thread+0x4d6/0xd40 [ 691.742589][ C0] ? process_one_work+0x1390/0x1390 [ 691.742752][ C0] kthread+0x355/0x5b0 [ 691.742884][ C0] ? kthread_is_per_cpu+0xe0/0xe0 [ 691.743052][ C0] ? __lock_release.isra.0+0x59/0x170 [ 691.743223][ C0] ? rcu_is_watching+0x15/0xd0 [ 691.743394][ C0] ? kthread_is_per_cpu+0xe0/0xe0 [ 691.743567][ C0] ret_from_fork+0x3fb/0x510 [ 691.743737][ C0] ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140 [ 691.743945][ C0] ? __switch_to+0x602/0xd00 [ 691.744112][ C0] ? kthread_is_per_cpu+0xe0/0xe0 [ 691.744283][ C0] ret_from_fork_asm+0x11/0x20 [ 691.744456][ C0]