BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 193s! BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=-20 stuck for 190s! Showing busy workqueues and worker pools: workqueue events: flags=0x0 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=5/256 refcnt=6 pending: destroy_super_work, defense_work_handler, defense_work_handler, cache_reap, macvlan_process_broadcast pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 in-flight: 6584:proc_cleanup_work workqueue events_power_efficient: flags=0x80 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 pending: gc_worker, 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 workqueue kblockd: flags=0x18 pwq 3: cpus=1 node=0 flags=0x0 nice=-20 active=1/256 refcnt=2 pending: blk_mq_timeout_work 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 krxrpcd: flags=0x0 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=3 pending: rxrpc_peer_keepalive_worker delayed: rxrpc_peer_keepalive_worker workqueue bat_events: flags=0xe000a pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=4 pending: batadv_nc_worker pool 0: cpus=0 node=0 flags=0x0 nice=0 hung=0s workers=9 idle: 2218 5 6834 7302 19174 6654 6655 6841