BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 56s! Showing busy workqueues and worker pools: workqueue events: flags=0x0 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=9 refcnt=10 pending: 3*nsim_dev_hwstats_traffic_work, vmstat_shepherd, psi_avgs_work, free_obj_work, ovs_dp_masks_rebalance, 2*psi_avgs_work pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4 pending: 3*nsim_dev_hwstats_traffic_work workqueue events_long: flags=0x0 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=2 refcnt=3 pending: 2*defense_work_handler workqueue events_unbound: flags=0x2 pwq 8: cpus=0-1 flags=0x6 nice=0 active=12 refcnt=13 in-flight: 627:cfg80211_wiphy_work cfg80211_wiphy_work ,44:cfg80211_wiphy_work cfg80211_wiphy_work ,174:cfg80211_wiphy_work cfg80211_wiphy_work ,14:cfg80211_wiphy_work cfg80211_wiphy_work pending: 4*macvlan_process_broadcast pwq 8: cpus=0-1 flags=0x6 nice=0 active=20 refcnt=21 in-flight: 332:cfg80211_wiphy_work cfg80211_wiphy_work ,532:linkwatch_event ,310:cfg80211_wiphy_work cfg80211_wiphy_work ,737:cfg80211_wiphy_work cfg80211_wiphy_work ,45:cfg80211_wiphy_work cfg80211_wiphy_work pending: toggle_allocation_gate, 2*nsim_dev_trap_report_work, flush_memcg_stats_dwork, crng_reseed, macvlan_process_broadcast, 3*nsim_dev_trap_report_work, macvlan_process_broadcast, nsim_dev_trap_report_work workqueue events_power_efficient: flags=0x82 pwq 8: cpus=0-1 flags=0x6 nice=0 active=4 refcnt=5 pending: 4*check_lifetime pwq 8: cpus=0-1 flags=0x6 nice=0 active=9 refcnt=10 in-flight: 12:neigh_periodic_work ,8526:wg_ratelimiter_gc_entries ,767:crda_timeout_work pending: neigh_managed_work, fb_flashcursor, do_cache_clean, neigh_managed_work, reg_check_chans_work, gc_worker workqueue netns: flags=0x6000a pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=5 in-flight: 2170:cleanup_net inactive: cleanup_net workqueue mm_percpu_wq: flags=0x8 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: vmstat_update workqueue writeback: flags=0x4a pwq 8: cpus=0-1 flags=0x6 nice=0 active=2 refcnt=4 MAYDAY in-flight: 703:wb_workfn pending: wb_update_bandwidth_workfn workqueue kblockd: flags=0x18 pwq 3: cpus=0 node=0 flags=0x0 nice=-20 active=1 refcnt=2 pending: blk_mq_run_work_fn workqueue gid-cache-wq: flags=0x20002 pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=5 pending: netdevice_event_work_handler inactive: update_gid_event_work_handler workqueue ipv6_addrconf: flags=0x6000a pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=8 in-flight: 4144(RESCUER):addrconf_verify_work inactive: 3*addrconf_verify_work workqueue krxrpcd: flags=0x2001a pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=4 pending: rxrpc_peer_keepalive_worker workqueue bat_events: flags=0x6000a pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=52 in-flight: 4225(RESCUER):batadv_tt_purge inactive: 4*batadv_tt_purge, batadv_nc_worker, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, 2*batadv_bla_periodic_work, batadv_dat_purge, 5*batadv_nc_worker, 2*batadv_iv_send_outstanding_bat_ogm_packet, 3*batadv_purge_orig, batadv_iv_send_outstanding_bat_ogm_packet, 3*batadv_purge_orig, 3*batadv_iv_send_outstanding_bat_ogm_packet, 6*batadv_mcast_mla_update, 6*batadv_iv_send_outstanding_bat_ogm_packet, batadv_bla_periodic_work, batadv_dat_purge, batadv_tt_purge workqueue ext4-rsv-conversion: flags=0xa pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=4 in-flight: 6074(RESCUER):ext4_end_io_rsv_work inactive: ext4_end_io_rsv_work workqueue hci3: flags=0x20012 pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=4 in-flight: 6061:hci_cmd_sync_work workqueue wg-kex-wg1: flags=0x6 pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_send_worker workqueue wg-crypt-wg1: flags=0x28 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=2 refcnt=3 pending: wg_packet_tx_worker, wg_packet_encrypt_worker workqueue wg-kex-wg2: flags=0x6 pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_send_worker workqueue wg-crypt-wg2: flags=0x28 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=2 refcnt=3 pending: wg_packet_encrypt_worker, wg_packet_tx_worker workqueue wg-crypt-wg0: flags=0x28 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4 pending: wg_packet_encrypt_worker, wg_packet_tx_worker, wg_packet_decrypt_worker workqueue wg-kex-wg1: flags=0x24 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_receive_worker workqueue wg-crypt-wg1: flags=0x28 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=2 refcnt=3 pending: wg_packet_encrypt_worker, wg_packet_tx_worker workqueue wg-kex-wg2: flags=0x6 pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_send_worker workqueue wg-crypt-wg2: flags=0x28 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=2 refcnt=3 pending: wg_packet_encrypt_worker, wg_packet_tx_worker workqueue wg-crypt-wg0: flags=0x28 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4 pending: wg_packet_tx_worker, wg_packet_encrypt_worker, wg_packet_decrypt_worker pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_encrypt_worker workqueue wg-crypt-wg1: flags=0x28 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4 pending: wg_packet_decrypt_worker, wg_packet_encrypt_worker, wg_packet_tx_worker pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 in-flight: 6577:wg_packet_tx_worker workqueue wg-kex-wg2: flags=0x6 pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_send_worker workqueue wg-crypt-wg2: flags=0x28 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=2 refcnt=3 pending: wg_packet_encrypt_worker, wg_packet_tx_worker workqueue wg-kex-wg0: flags=0x6 pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_send_worker workqueue wg-crypt-wg0: flags=0x28 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4 pending: wg_packet_tx_worker, wg_packet_encrypt_worker, wg_packet_decrypt_worker workqueue wg-crypt-wg1: flags=0x28 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4 pending: wg_packet_decrypt_worker, wg_packet_encrypt_worker, wg_packet_tx_worker workqueue wg-kex-wg2: flags=0x24 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_receive_worker workqueue wg-crypt-wg2: flags=0x28 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=2 refcnt=3 pending: wg_packet_encrypt_worker, wg_packet_tx_worker pool 6: cpus=1 node=0 flags=0x0 nice=0 hung=0s workers=6 idle: 6569 26 3893 6545 24 pool 8: cpus=0-1 flags=0x6 nice=0 hung=0s workers=15 manager: 8527 pool 9: cpus=0-1 node=0 flags=0x4 nice=-20 hung=0s workers=6 idle: 55 6497 6501 6494 6498 Showing backtraces of running workers in stalled CPU-bound worker pools: