BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 221s!
BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=-20 stuck for 215s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x0
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: vmstat_shepherd, kfree_rcu_monitor, free_obj_work
workqueue events_unbound: flags=0x2
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=4 refcnt=5
    in-flight: 11:fsnotify_mark_destroy_workfn fsnotify_mark_destroy_workfn ,823:fsnotify_connector_destroy_workfn fsnotify_connector_destroy_workfn
workqueue events_power_efficient: flags=0x80
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=5 refcnt=6
    pending: do_cache_clean, neigh_periodic_work, 2*neigh_managed_work, neigh_periodic_work
workqueue rcu_gp: flags=0x8
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=10 refcnt=11
    pending: 10*srcu_invoke_callbacks
workqueue mm_percpu_wq: flags=0x8
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=2 refcnt=4
    pending: vmstat_update, lru_add_drain_per_cpu BAR(33)
workqueue kblockd: flags=0x18
  pwq 3: cpus=0 node=0 flags=0x0 nice=-20 active=2 refcnt=3
    pending: 2*blk_mq_timeout_work
workqueue dm_bufio_cache: flags=0x8
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: work_fn
pool 8: cpus=0-1 flags=0x4 nice=0 hung=0s workers=9 idle: 717 133 352 40 13 1279 1110
Showing backtraces of running workers in stalled CPU-bound worker pools: