BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 184s! BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 183s! BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=-20 stuck for 181s! Showing busy workqueues and worker pools: workqueue events: flags=0x0 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=8/256 refcnt=9 pending: 3*nsim_dev_hwstats_traffic_work, psi_avgs_work, kfree_rcu_monitor, 2*ovs_dp_masks_rebalance, psi_avgs_work pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=13/256 refcnt=14 in-flight: 9646:switchdev_deferred_process_work switchdev_deferred_process_work pending: 4*nsim_dev_hwstats_traffic_work, vmstat_shepherd, 2*ovs_dp_masks_rebalance, psi_avgs_work, ovs_dp_masks_rebalance, psi_avgs_work, kfree_rcu_monitor workqueue events_long: flags=0x0 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 pending: 2*defense_work_handler pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=4/256 refcnt=5 pending: 4*defense_work_handler workqueue events_unbound: flags=0x2 pwq 4: cpus=0-1 flags=0x4 nice=0 active=7/512 refcnt=8 pending: 2*cfg80211_wiphy_work, 2*nsim_dev_trap_report_work, flush_memcg_stats_dwork, 2*macvlan_process_broadcast pwq 4: cpus=0-1 flags=0x4 nice=0 active=14/512 refcnt=15 pending: 2*cfg80211_wiphy_work, 3*nsim_dev_trap_report_work, toggle_allocation_gate, 2*nsim_dev_trap_report_work, cfg80211_wiphy_work, crng_reseed, 3*idle_cull_fn, macvlan_process_broadcast workqueue events_freezable: flags=0x4 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: update_balloon_stats_func workqueue events_power_efficient: flags=0x80 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=5/256 refcnt=6 pending: wg_ratelimiter_gc_entries, neigh_managed_work, do_cache_clean, neigh_periodic_work, gc_worker pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 pending: neigh_managed_work, neigh_periodic_work, check_lifetime workqueue netns: flags=0xe000a pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=4 in-flight: 11610:cleanup_net 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=1/256 refcnt=2 pending: wb_workfn 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 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: work_fn workqueue ipv6_addrconf: flags=0xe000a pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=9 in-flight: 78:addrconf_verify_work inactive: 5*addrconf_verify_work workqueue krxrpcd: flags=0xa001a pwq 5: cpus=0-1 node=0 flags=0x4 nice=-20 active=1/1 refcnt=8 pending: rxrpc_peer_keepalive_worker inactive: 4*rxrpc_peer_keepalive_worker workqueue bat_events: flags=0xe000a pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=36 pending: batadv_nc_worker inactive: 3*batadv_nc_worker, 4*batadv_purge_orig, 2*batadv_iv_send_outstanding_bat_ogm_packet, 4*batadv_mcast_mla_update, 7*batadv_iv_send_outstanding_bat_ogm_packet, 4*batadv_tt_purge, batadv_dat_purge, 2*batadv_bla_periodic_work, 2*batadv_dat_purge, 2*batadv_bla_periodic_work, batadv_dat_purge workqueue wg-kex-wg0: flags=0x6 pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/256 refcnt=3 pending: 2*wg_packet_handshake_send_worker workqueue wg-kex-wg1: flags=0x6 pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/256 refcnt=3 pending: 2*wg_packet_handshake_send_worker workqueue wg-kex-wg0: flags=0x6 pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=2 pending: wg_queued_expired_zero_key_material pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/256 refcnt=3 pending: 2*wg_packet_handshake_send_worker workqueue wg-kex-wg1: flags=0x6 pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/256 refcnt=3 pending: wg_packet_handshake_send_worker, wg_queued_expired_zero_key_material workqueue wg-kex-wg2: flags=0x6 pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/256 refcnt=3 pending: 2*wg_packet_handshake_send_worker pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=2 pending: wg_queued_expired_zero_key_material workqueue bond1: flags=0xa000a pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=5 pending: bond_mii_monitor inactive: bond_3ad_state_machine_handler workqueue bond2: flags=0xa000a pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=5 pending: bond_3ad_state_machine_handler inactive: bond_mii_monitor workqueue bond1: flags=0xa000a pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=5 pending: bond_mii_monitor inactive: bond_3ad_state_machine_handler workqueue bond2: flags=0xa000a pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=5 pending: bond_mii_monitor inactive: bond_3ad_state_machine_handler workqueue bond3: flags=0xa000a pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=5 pending: bond_3ad_state_machine_handler inactive: bond_mii_monitor workqueue bond4: flags=0xa000a pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=5 pending: bond_mii_monitor inactive: bond_3ad_state_machine_handler workqueue bond5: flags=0xa000a pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=5 pending: bond_3ad_state_machine_handler inactive: bond_mii_monitor workqueue wg-crypt-wg0: flags=0x28 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: wg_packet_encrypt_worker pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: wg_packet_encrypt_worker workqueue wg-crypt-wg1: flags=0x28 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: wg_packet_encrypt_worker pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: wg_packet_encrypt_worker workqueue wg-crypt-wg2: flags=0x28 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: wg_packet_encrypt_worker pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: wg_packet_encrypt_worker workqueue bond6: flags=0xa000a pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=5 pending: bond_3ad_state_machine_handler inactive: bond_mii_monitor workqueue bond4: flags=0xa000a pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=5 pending: bond_3ad_state_machine_handler inactive: bond_mii_monitor workqueue bond7: flags=0xa000a pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=5 pending: bond_mii_monitor inactive: bond_3ad_state_machine_handler workqueue hci1: flags=0xa0012 pwq 5: cpus=0-1 node=0 flags=0x4 nice=-20 active=1/1 refcnt=4 pending: hci_conn_timeout pool 0: cpus=0 node=0 flags=0x0 nice=0 hung=184s workers=6 idle: 9626 9644 8 13178 12478 pool 4: cpus=0-1 flags=0x4 nice=0 hung=185s workers=14 idle: 49 9505 33 6068 12 11573 3432 1321 1120 4545 987 6067 Showing backtraces of running workers in stalled CPU-bound worker pools: