BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 45s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x0
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: vmstat_shepherd
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=21 refcnt=22
    pending: key_garbage_collector, 15*release_one_tty, bpf_prog_free_deferred, 2*rht_deferred_worker, update_super_work, e1000_watchdog
workqueue events_power_efficient: flags=0x80
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: neigh_managed_work, crda_timeout_work, neigh_periodic_work
workqueue events_freezable_pwr_efficient: flags=0x84
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: disk_events_workfn
workqueue mm_percpu_wq: flags=0x8
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: vmstat_update
workqueue cgroup_release: flags=0x0
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    in-flight: 229:css_release_work_fn
workqueue kblockd: flags=0x18
  pwq 3: cpus=0 node=0 flags=0x0 nice=-20 active=1 refcnt=2
    pending: blk_mq_timeout_work
pool 6: cpus=1 node=0 flags=0x0 nice=0 hung=46s workers=3 idle: 104 23
Showing backtraces of running workers in stalled CPU-bound worker pools: