BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 167s!
INFO: task kworker/u4:2:359 blocked for more than 140 seconds.
Showing busy workqueues and worker pools:
      Not tainted 4.14.94+ #10
workqueue events: flags=0x0
  pwq 0:
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
kworker/u4:2    D25936   359      2 0x80000000
Workqueue: events_unbound fsnotify_connector_destroy_workfn
 cpus=0 node=0
 flags=0x0 nice=0 active=3/256
Call Trace:
    in-flight: 2930:rtc_timer_do_work
    pending: vmstat_shepherd
, free_obj_work
workqueue events_unbound: flags=0x2
 schedule+0x92/0x1c0 kernel/sched/core.c:3490
  pwq 4:
 schedule_timeout+0x736/0xe80 kernel/time/timer.c:1721
 cpus=0-1
 flags=0x4 nice=0
 active=4/512
    in-flight: 1822:fsnotify_mark_destroy_workfn fsnotify_mark_destroy_workfn
 BAR(25959)
, 359:fsnotify_connector_destroy_workfn
 do_wait_for_common kernel/sched/completion.c:91 [inline]
 __wait_for_common kernel/sched/completion.c:112 [inline]
 wait_for_common+0x29c/0x470 kernel/sched/completion.c:123
 fsnotify_connector_destroy_workfn

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