BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 229s!
BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=-20 stuck for 225s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x0
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4
    pending: vmstat_shepherd, kfree_rcu_monitor, free_obj_work
workqueue events_unbound: flags=0x2
  pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/512 refcnt=4
    in-flight: 32:fsnotify_mark_destroy_workfn, 3458:fsnotify_connector_destroy_workfn
workqueue events_power_efficient: flags=0x80
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=6/256 refcnt=7
    pending: 2*neigh_managed_work, neigh_periodic_work, do_cache_clean, neigh_periodic_work, reg_check_chans_work
workqueue rcu_gp: flags=0x8
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: srcu_invoke_callbacks
workqueue mm_percpu_wq: flags=0x8
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: vmstat_update
workqueue kblockd: flags=0x18
  pwq 1: cpus=0 node=0 flags=0x0 nice=-20 active=1/256 refcnt=2
    pending: blk_mq_timeout_work
workqueue phy4: flags=0xa0002
  pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=5
    in-flight: 12:ieee80211_iface_work
    inactive: ieee80211_iface_work, ieee80211_csa_connection_drop_work
pool 4: cpus=0-1 flags=0x4 nice=0 hung=0s workers=7 idle: 767 10 11664 33
Showing backtraces of running workers in stalled CPU-bound worker pools: