[ 794.625082][T19178] Mirror/redirect action on [ 860.418579][ C0] clocksource: Long readout interval, skipping watchdog check: cs_nsec: 4773851935 wd_nsec: 4773852179 [ 917.569761][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 917.570092][ C0] rcu: Tasks blocked on level-0 rcu_node (CPUs 0-3): P9/1:b..l [ 917.570513][ C0] rcu: (detected by 0, t=26002 jiffies, g=617357, q=20 ncpus=4) [ 917.570855][ C0] task:kworker/0:0 state:R running task stack:27584 pid:9 tgid:9 ppid:2 task_flags:0x4208060 flags:0x00080000 [ 917.571526][ C0] Workqueue: events_power_efficient gc_worker [nf_conntrack] [ 917.571854][ C0] Call Trace: [ 917.572006][ C0] [ 917.572112][ C0] __schedule+0xae2/0x1720 [ 917.572320][ C0] ? io_schedule_timeout+0x130/0x130 [ 917.572553][ C0] ? __kmalloc_cache_noprof+0x3cb/0x710 [ 917.572754][ C0] ? nf_conntrack_free+0xed/0x380 [nf_conntrack] [ 917.573014][ C0] ? gc_worker+0x4b5/0x1280 [nf_conntrack] [ 917.573282][ C0] ? process_one_work+0xd57/0x1390 [ 917.573461][ C0] ? ret_from_fork+0x3fb/0x510 [ 917.573636][ C0] ? ret_from_fork_asm+0x11/0x20 [ 917.573808][ C0] ? kmem_cache_free+0x3a5/0x5e0 [ 917.573974][ C0] preempt_schedule_common+0x44/0xd0 [ 917.574141][ C0] ? preempt_schedule_thunk+0x16/0x30 [ 917.574307][ C0] preempt_schedule_thunk+0x16/0x30 [ 917.574484][ C0] ? kmem_cache_free+0x3a5/0x5e0 [ 917.574657][ C0] __slab_alloc.isra.0+0xd7/0x120 [ 917.574839][ C0] __kmalloc_cache_noprof+0x3cb/0x710 [ 917.575018][ C0] ? kmem_cache_free+0x3a5/0x5e0 [ 917.575188][ C0] ? __call_rcu_common.constprop.0+0x3bd/0xa00 [ 917.575607][ C0] ? kmem_cache_free+0x3a5/0x5e0 [ 917.575777][ C0] kmem_cache_free+0x3a5/0x5e0 [ 917.575950][ C0] ? __lock_release.isra.0+0x59/0x170 [ 917.576126][ C0] ? mark_held_locks+0x40/0x70 [ 917.576295][ C0] ? nf_conntrack_free+0xed/0x380 [nf_conntrack] [ 917.576511][ C0] ? nf_conntrack_free+0xed/0x380 [nf_conntrack] [ 917.576728][ C0] nf_conntrack_free+0xed/0x380 [nf_conntrack] [ 917.576939][ C0] ? nf_ct_destroy+0x8f/0x170 [nf_conntrack] [ 917.577151][ C0] gc_worker+0x4b5/0x1280 [nf_conntrack] [ 917.577332][ C0] ? nf_conntrack_get_tuple_skb+0x3f0/0x3f0 [nf_conntrack] [ 917.577592][ C0] ? rcu_is_watching+0x15/0xd0 [ 917.577760][ C0] ? rcu_is_watching+0x15/0xd0 [ 917.577927][ C0] ? process_one_work+0xd16/0x1390 [ 917.578110][ C0] ? lock_acquire+0x10a/0x150 [ 917.578276][ C0] ? rcu_is_watching+0x15/0xd0 [ 917.578446][ C0] process_one_work+0xd57/0x1390 [ 917.578644][ C0] ? pwq_dec_nr_in_flight+0x700/0x700 [ 917.578814][ C0] ? lock_acquire.part.0+0xbc/0x260 [ 917.578984][ C0] ? assign_work+0x152/0x380 [ 917.579162][ C0] worker_thread+0x4d6/0xd40 [ 917.579336][ C0] ? process_one_work+0x1390/0x1390 [ 917.579505][ C0] kthread+0x355/0x5b0 [ 917.579639][ C0] ? kthread_is_per_cpu+0xe0/0xe0 [ 917.579808][ C0] ? __lock_release.isra.0+0x59/0x170 [ 917.580002][ C0] ? rcu_is_watching+0x15/0xd0 [ 917.580209][ C0] ? kthread_is_per_cpu+0xe0/0xe0 [ 917.580406][ C0] ret_from_fork+0x3fb/0x510 [ 917.580608][ C0] ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140 [ 917.580856][ C0] ? __switch_to+0x602/0xd00 [ 917.581033][ C0] ? kthread_is_per_cpu+0xe0/0xe0 [ 917.581206][ C0] ret_from_fork_asm+0x11/0x20 [ 917.581376][ C0] [ 921.256761][ C0] clocksource: Long readout interval, skipping watchdog check: cs_nsec: 10436030257 wd_nsec: 10436030767