BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 40s! Showing busy workqueues and worker pools: workqueue events: flags=0x0 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=11/256 refcnt=12 pending: nsim_dev_hwstats_traffic_work, nsim_dev_hwstats_traffic_work, nsim_dev_hwstats_traffic_work, nsim_dev_hwstats_traffic_work, nsim_dev_hwstats_traffic_work, ovs_dp_masks_rebalance, psi_avgs_work, psi_avgs_work, psi_avgs_work, kfree_rcu_monitor, psi_avgs_work pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=4/256 refcnt=5 pending: switchdev_deferred_process_work, nsim_dev_hwstats_traffic_work, rht_deferred_worker, rht_deferred_worker workqueue events_long: flags=0x0 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 pending: defense_work_handler, defense_work_handler, defense_work_handler pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 pending: br_multicast_gc_work, br_multicast_gc_work workqueue events_unbound: flags=0x2 pwq 4: cpus=0-1 flags=0x4 nice=0 active=3/512 refcnt=5 in-flight: 55:fsnotify_mark_destroy_workfn, 1572:toggle_allocation_gate, 39:fsnotify_connector_destroy_workfn workqueue events_power_efficient: flags=0x82 pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/256 refcnt=4 in-flight: 7123:gc_worker, 4666:neigh_periodic_work workqueue rcu_gp: flags=0x8 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 in-flight: 4369:process_srcu 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 writeback: flags=0x4a pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 in-flight: 10920: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=3 pending: addrconf_verify_work inactive: addrconf_verify_work pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=4 pending: addrconf_verify_work inactive: addrconf_verify_work, addrconf_verify_work workqueue krxrpcd: flags=0x0 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=5 pending: rxrpc_peer_keepalive_worker inactive: rxrpc_peer_keepalive_worker, rxrpc_peer_keepalive_worker, rxrpc_peer_keepalive_worker pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=3 pending: rxrpc_peer_keepalive_worker inactive: rxrpc_peer_keepalive_worker workqueue bat_events: flags=0xe000a pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=34 in-flight: 6717:batadv_tt_purge inactive: batadv_tt_purge, batadv_iv_send_outstanding_bat_ogm_packet, batadv_iv_send_outstanding_bat_ogm_packet, batadv_iv_send_outstanding_bat_ogm_packet, batadv_purge_orig, batadv_purge_orig, batadv_purge_orig, batadv_purge_orig, batadv_iv_send_outstanding_bat_ogm_packet, batadv_purge_orig, batadv_iv_send_outstanding_bat_ogm_packet, batadv_iv_send_outstanding_bat_ogm_packet, batadv_iv_send_outstanding_bat_ogm_packet, batadv_iv_send_outstanding_bat_ogm_packet, batadv_iv_send_outstanding_bat_ogm_packet, batadv_iv_send_outstanding_bat_ogm_packet, batadv_iv_send_outstanding_bat_ogm_packet, batadv_iv_send_outstanding_bat_ogm_packet, batadv_iv_send_outstanding_bat_ogm_packet, batadv_iv_send_outstanding_bat_ogm_packet, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_dat_purge, batadv_iv_send_outstanding_bat_ogm_packet, batadv_bla_periodic_work, batadv_dat_purge , batadv_bla_periodic_work workqueue wg-crypt-wg0: flags=0x28 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 in-flight: 4369:wg_packet_encrypt_worker workqueue wg-crypt-wg1: flags=0x28 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 pending: wg_packet_encrypt_worker, wg_packet_tx_worker workqueue wg-kex-wg2: flags=0x6 workqueue wg-crypt-wg2: flags=0x28 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 pending: wg_packet_encrypt_worker, wg_packet_tx_worker workqueue wg-crypt-wg0: flags=0x28 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: wg_packet_tx_worker workqueue wg-crypt-wg1: flags=0x28 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 pending: wg_packet_encrypt_worker, wg_packet_tx_worker workqueue wg-crypt-wg2: flags=0x28 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 pending: wg_packet_encrypt_worker, wg_packet_tx_worker pool 2: cpus=1 node=0 flags=0x0 nice=0 hung=0s workers=11 idle: 4369 9279 22 9887 4371 3897 112 24 9280 4370 pool 4: cpus=0-1 flags=0x4 nice=0 hung=0s workers=19 idle: 11003 10920 4666 1572 4458 11808 9 10466 11 10556 4378 10894 10112 11126 7976