BUG: workqueue lockup - pool cpus=0-1 flags=0x5 nice=0 stuck for 156s!
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
    in-flight: 20:vmstat_shepherd
    pending: psi_avgs_work, vmstat_shepherd
workqueue events_unbound: flags=0x2
  pwq 4: cpus=0-1 flags=0x5 nice=0 active=2/512 refcnt=4
    in-flight: 45:toggle_allocation_gate
    pending: flush_memcg_stats_dwork
workqueue events_power_efficient: flags=0x80
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=3/256 refcnt=4
    pending: neigh_periodic_work, neigh_periodic_work, gc_worker
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: check_lifetime
workqueue mm_percpu_wq: flags=0x8
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256 refcnt=3
    in-flight: 42:vmstat_update
    pending: vmstat_update
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: vmstat_update
workqueue writeback: flags=0x4a
  pwq 4: cpus=0-1 flags=0x5 nice=0 active=1/256 refcnt=3
    in-flight: 8:wb_workfn
workqueue dm_bufio_cache: flags=0x8
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: work_fn
workqueue ipv6_addrconf: flags=0x40008
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=2
    pending: addrconf_verify_work
pool 0: cpus=0 node=0 flags=0x0 nice=0 hung=52s workers=2 idle: 6
pool 2: cpus=1 node=0 flags=0x0 nice=0 hung=111s workers=2 idle: 60
pool 4: cpus=0-1 flags=0x5 nice=0 hung=157s workers=3 manager: 10