BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 248s! BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 248s! BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=-20 stuck for 247s! 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: kfree_rcu_monitor pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=4/256 refcnt=5 in-flight: 27355:bpf_map_free_deferred pending: vmstat_shepherd, kfree_rcu_monitor, psi_avgs_work workqueue events_unbound: flags=0x2 pwq 4: cpus=0-1 flags=0x4 nice=0 active=3/512 refcnt=5 pending: fsnotify_mark_destroy_workfn, toggle_allocation_gate, flush_memcg_stats_dwork workqueue events_power_efficient: flags=0x80 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: gc_worker pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=4/256 refcnt=5 pending: wg_ratelimiter_gc_entries, neigh_periodic_work, neigh_periodic_work, check_lifetime 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=1/256 refcnt=2 pending: vmstat_update workqueue writeback: flags=0x4a pwq 4: cpus=0-1 flags=0x4 nice=0 active=3/256 refcnt=5 pending: wb_workfn, wb_workfn, wb_workfn workqueue kblockd: flags=0x18 pwq 3: cpus=1 node=0 flags=0x0 nice=-20 active=3/256 refcnt=4 pending: blk_mq_timeout_work, blk_mq_timeout_work, blk_mq_timeout_work pwq 1: cpus=0 node=0 flags=0x0 nice=-20 active=3/256 refcnt=4 pending: blk_mq_timeout_work, blk_mq_timeout_work, blk_mq_timeout_work 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 0: cpus=0 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=248s workers=3 idle: 3246 934