BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 40s! Showing busy workqueues and worker pools: workqueue events: flags=0x0 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=13/256 refcnt=14 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, psi_avgs_work, vmstat_shepherd, ovs_dp_masks_rebalance, psi_avgs_work, psi_avgs_work, bpf_prog_free_deferred, kfree_rcu_monitor, l2cap_info_timeout workqueue events_long: flags=0x0 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=6/256 refcnt=7 in-flight: 4398:br_fdb_cleanup pending: br_fdb_cleanup, br_fdb_cleanup, br_fdb_cleanup, defense_work_handler, defense_work_handler workqueue events_unbound: flags=0x2 pwq 4: cpus=0-1 flags=0x4 nice=0 active=5/512 refcnt=7 in-flight: 4583:fsnotify_connector_destroy_workfn fsnotify_connector_destroy_workfn, 5007:fsnotify_mark_destroy_workfn fsnotify_mark_destroy_workfn, 411:bpf_map_free_deferred workqueue events_power_efficient: flags=0x82 pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 in-flight: 5415:gc_worker workqueue rcu_gp: flags=0x8 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: srcu_invoke_callbacks workqueue mm_percpu_wq: flags=0x8 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: vmstat_update workqueue kblockd: flags=0x18 pwq 1: cpus=0 node=0 flags=0x0 nice=-20 active=2/256 refcnt=3 pending: blk_mq_timeout_work, blk_mq_timeout_work workqueue ipv6_addrconf: flags=0x40008 pwq 0: cpus=0 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=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=19 in-flight: 4542:batadv_tt_purge inactive: batadv_tt_purge, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_dat_purge, batadv_bla_periodic_work, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_nc_worker, batadv_nc_worker, batadv_nc_worker, batadv_nc_worker, batadv_nc_worker workqueue hci0: flags=0xa0012 pwq 5: cpus=0-1 flags=0x4 nice=-20 active=1/1 refcnt=3 pending: hci_conn_timeout workqueue hci1: flags=0xa0012 pwq 5: cpus=0-1 flags=0x4 nice=-20 active=1/1 refcnt=3 pending: hci_conn_timeout workqueue hci2: flags=0xa0012 pwq 5: cpus=0-1 flags=0x4 nice=-20 active=1/1 refcnt=3 pending: hci_conn_timeout workqueue hci3: flags=0xa0012 pwq 5: cpus=0-1 flags=0x4 nice=-20 active=1/1 refcnt=3 pending: hci_conn_timeout workqueue hci4: flags=0xa0012 pwq 5: cpus=0-1 flags=0x4 nice=-20 active=1/1 refcnt=3 pending: hci_conn_timeout workqueue wg-crypt-wg0: 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-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 workqueue wg-crypt-wg0: flags=0x28 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 pending: wg_packet_encrypt_worker, wg_packet_decrypt_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=0x24 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: wg_packet_handshake_receive_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 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 workqueue wg-crypt-wg0: 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-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 workqueue wg-crypt-wg0: flags=0x28 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 pending: wg_packet_encrypt_worker, wg_packet_tx_worker, wg_packet_decrypt_worker workqueue wg-crypt-wg1: flags=0x28 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 pending: wg_packet_encrypt_worker, wg_packet_tx_worker, wg_packet_decrypt_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 workqueue hci5: flags=0xa0012 pwq 5: cpus=0-1 flags=0x4 nice=-20 active=1/1 refcnt=3 pending: hci_cmd_timeout pool 0: cpus=0 node=0 flags=0x0 nice=0 hung=40s workers=8 idle: 4346 4345 4344 14 109 7 4342 pool 2: cpus=1 node=0 flags=0x0 nice=0 hung=0s workers=11 idle: 5526 3874 3420 4374 24 4343 22 4561 4341 4654 pool 4: cpus=0-1 flags=0x4 nice=0 hung=0s workers=24 idle: 4573 39 137 4397 11 4794 1655 9 4651 4531 4553 5049 4638 4581 4552 4530 4432 4480 5168