hrtimer: interrupt took 209930 ns
BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 140s!
BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 162s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x0
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: ovs_dp_masks_rebalance
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3
    pending: psi_avgs_work, vmstat_shepherd
workqueue events_long: flags=0x0
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: defense_work_handler
workqueue events_unbound: flags=0x2
  pwq 4: cpus=0-1 flags=0x5 nice=0 active=2/512 refcnt=5
    in-flight: 256: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=5/256 refcnt=6
    in-flight: 2990:fb_flashcursor
    pending: fb_flashcursor, neigh_periodic_work, do_cache_clean, gc_worker
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4
    in-flight: 1051:neigh_periodic_work
    pending: check_lifetime, neigh_periodic_work
workqueue mm_percpu_wq: flags=0x8
  pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2
    pending: vmstat_update
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3
    pending: lru_add_drain_per_cpu, vmstat_update
workqueue writeback: flags=0x4a
  pwq 4: cpus=0-1 flags=0x5 nice=0 active=1/256 refcnt=4
    pending: wb_workfn
workqueue dm_bufio_cache: flags=0x8
  pwq 2: cpus=1 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
workqueue krxrpcd: flags=0x0
  pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=2
    pending: rxrpc_peer_keepalive_worker
pool 0: cpus=0 node=0 flags=0x0 nice=0 hung=140s workers=2 idle: 5
pool 2: cpus=1 node=0 flags=0x0 nice=0 hung=162s workers=2 idle: 20
pool 4: cpus=0-1 flags=0x5 nice=0 hung=130s workers=3 manager: 154 idle: 1204