[ 497.648568][T12437] Mirror/redirect action on [ 513.546484][ C0] clocksource: Long readout interval, skipping watchdog check: cs_nsec: 1168038000 wd_nsec: 1168037910 [ 615.132458][ C0] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 615.132874][ C0] rcu: Tasks blocked on level-0 rcu_node (CPUs 0-3): P12866/1:b..l [ 615.133290][ C0] rcu: (detected by 0, t=26002 jiffies, g=233997, q=31 ncpus=4) [ 615.133570][ C0] task:kworker/0:1 state:R running task stack:29064 pid:12866 tgid:12866 ppid:2 task_flags:0x4208060 flags:0x00080000 [ 615.134199][ C0] Workqueue: events free_obj_work [ 615.134637][ C0] Call Trace: [ 615.134805][ C0] [ 615.134898][ C0] __schedule+0xae2/0x1720 [ 615.135089][ C0] ? io_schedule_timeout+0x130/0x130 [ 615.135270][ C0] ? mark_held_locks+0x40/0x70 [ 615.135454][ C0] preempt_schedule_irq+0x51/0xa0 [ 615.135649][ C0] irqentry_exit+0xf4/0x4d0 [ 615.135844][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 615.136068][ C0] RIP: 0010:__rcu_read_unlock+0x2d/0x110 [ 615.136285][ C0] Code: fa 0f 1f 44 00 00 65 48 8b 05 4f f8 1c 04 48 8d b8 04 04 00 00 48 ba 00 00 00 00 00 fc ff df 48 89 f9 48 c1 e9 03 0f b6 0c 11 <48> 89 fa 83 e2 07 83 c2 03 38 ca 7c 08 84 c9 0f 85 92 00 00 00 83 [ 615.136940][ C0] RSP: 0018:ffa0000000cbf5a8 EFLAGS: 00000217 [ 615.137165][ C0] RAX: ff11000008ad22c0 RBX: 1ff4000000197ebf RCX: 0000000000000000 [ 615.137448][ C0] RDX: dffffc0000000000 RSI: ffffffff9c992e47 RDI: ff11000008ad26c4 [ 615.137764][ C0] RBP: ffa0000000cbf7b0 R08: 0000000000000001 R09: ffffffff9d8b73ec [ 615.138029][ C0] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000001 [ 615.138312][ C0] R13: ffa0000000cbf700 R14: ffa0000000cbf7a8 R15: ffa0000000cbf700 [ 615.138588][ C0] unwind_next_frame+0x4e9/0x1cc0 [ 615.138773][ C0] ? arch_stack_walk+0x76/0x100 [ 615.138962][ C0] ? stack_access_ok+0x1d0/0x1d0 [ 615.139139][ C0] ? io_schedule_timeout+0x130/0x130 [ 615.139324][ C0] ? get_stack_info_noinstr+0x1a/0x130 [ 615.139515][ C0] ? preempt_schedule_irq+0x46/0xa0 [ 615.139697][ C0] __unwind_start+0x3f6/0x8c0 [ 615.139871][ C0] ? irqentry_exit+0xf9/0x4d0 [ 615.140060][ C0] ? write_profile+0xf0/0xf0 [ 615.140238][ C0] arch_stack_walk+0x76/0x100 [ 615.140422][ C0] ? stack_trace_save+0x93/0xc0 [ 615.140602][ C0] stack_trace_save+0x93/0xc0 [ 615.140777][ C0] ? stack_trace_snprint+0xd0/0xd0 [ 615.140953][ C0] ? rcu_read_lock_any_held+0x66/0x90 [ 615.141136][ C0] kasan_save_stack+0x30/0x50 [ 615.141335][ C0] kasan_save_track+0x14/0x30 [ 615.141524][ C0] __kasan_save_free_info+0x3b/0x60 [ 615.141697][ C0] __kasan_slab_free+0x43/0x70 [ 615.141881][ C0] kmem_cache_free+0xfe/0x5e0 [ 615.142057][ C0] ? free_object_list.isra.0+0xf7/0x2e0 [ 615.142236][ C0] ? free_object_list.isra.0+0xf7/0x2e0 [ 615.142425][ C0] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 615.142645][ C0] free_object_list.isra.0+0xf7/0x2e0 [ 615.142878][ C0] ? _raw_spin_unlock_irqrestore+0x36/0x80 [ 615.143102][ C0] free_obj_work+0x1a6/0x410 [ 615.143319][ C0] ? process_one_work+0xd16/0x1390 [ 615.143510][ C0] ? object_cpu_offline+0x350/0x350 [ 615.143688][ C0] ? rcu_is_watching+0x15/0xd0 [ 615.143881][ C0] ? process_one_work+0xd16/0x1390 [ 615.144087][ C0] ? lock_acquire+0x10a/0x150 [ 615.144299][ C0] ? rcu_is_watching+0x15/0xd0 [ 615.144497][ C0] process_one_work+0xd57/0x1390 [ 615.144693][ C0] ? pwq_dec_nr_in_flight+0x700/0x700 [ 615.144866][ C0] ? lock_acquire.part.0+0xbc/0x260 [ 615.145063][ C0] ? assign_work+0x152/0x380 [ 615.145239][ C0] worker_thread+0x4d6/0xd40 [ 615.145421][ C0] ? process_one_work+0x1390/0x1390 [ 615.145617][ C0] ? __kthread_parkme+0xb3/0x200 [ 615.145795][ C0] ? process_one_work+0x1390/0x1390 [ 615.145968][ C0] kthread+0x355/0x5b0 [ 615.146125][ C0] ? kthread_is_per_cpu+0xe0/0xe0 [ 615.146338][ C0] ? __lock_release.isra.0+0x59/0x170 [ 615.146514][ C0] ? rcu_is_watching+0x15/0xd0 [ 615.146689][ C0] ? kthread_is_per_cpu+0xe0/0xe0 [ 615.146864][ C0] ret_from_fork+0x3fb/0x510 [ 615.147034][ C0] ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140 [ 615.147247][ C0] ? __switch_to+0x602/0xd00 [ 615.147425][ C0] ? kthread_is_per_cpu+0xe0/0xe0 [ 615.147602][ C0] ret_from_fork_asm+0x11/0x20 [ 615.147775][ C0] [ 642.066495][ C0] clocksource: Long readout interval, skipping watchdog check: cs_nsec: 3568043297 wd_nsec: 3568043399