BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 180s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x0
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256
    in-flight: 68:rtc_timer_do_work
    pending: push_to_pool
workqueue events_power_efficient: flags=0x80
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256
    pending: check_lifetime
workqueue mm_percpu_wq: flags=0x8
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256
    pending: vmstat_update
workqueue kblockd: flags=0x18
  pwq 1: cpus=0 node=0 flags=0x0 nice=-20 active=1/256
    pending: blk_mq_timeout_work
pool 2: cpus=1 node=0 flags=0x0 nice=0 hung=181s workers=2 idle: 18