BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 38s!
BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=-20 stuck for 37s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x0
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=4 refcnt=5
    pending: nsim_dev_hwstats_traffic_work, nsim_dev_trap_report_work, vmstat_shepherd, bpf_prog_free_deferred
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=5 refcnt=6
    pending: nsim_dev_trap_report_work, nsim_dev_hwstats_traffic_work, 3*psi_avgs_work
workqueue events_unbound: flags=0x2
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2
    pending: flush_memcg_stats_dwork
workqueue events_power_efficient: flags=0x82
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=5 refcnt=6
    pending: gc_worker, 2*neigh_managed_work, 2*neigh_periodic_work
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2
    in-flight: 21821:wg_ratelimiter_gc_entries
workqueue mm_percpu_wq: flags=0x8
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: vmstat_update
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: vmstat_update
workqueue writeback: flags=0x4a
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=2 refcnt=3
    in-flight: 21957:wb_workfn
    pending: wb_update_bandwidth_workfn
workqueue kblockd: flags=0x18
  pwq 7: cpus=1 node=0 flags=0x0 nice=-20 active=1 refcnt=2
    pending: blk_mq_timeout_work
workqueue dm_bufio_cache: flags=0x8
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: work_fn
pool 8: cpus=0-1 flags=0x4 nice=0 hung=18s workers=6 idle: 22118 27109 27648 29236
Showing backtraces of running workers in stalled CPU-bound worker pools: