BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 190s! BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 189s! BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=-20 stuck for 184s! Showing busy workqueues and worker pools: workqueue events: flags=0x0 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=15/256 refcnt=16 pending: 5*nsim_dev_hwstats_traffic_work, psi_avgs_work, 4*ovs_dp_masks_rebalance, 2*psi_avgs_work, kfree_rcu_monitor, 2*rht_deferred_worker pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=13/256 refcnt=14 pending: vmstat_shepherd, 5*nsim_dev_hwstats_traffic_work, psi_avgs_work, kfree_rcu_monitor, 3*ovs_dp_masks_rebalance, psi_avgs_work, rht_deferred_worker workqueue events_long: flags=0x0 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=7/256 refcnt=8 pending: 3*defense_work_handler, br_fdb_cleanup, 2*br_multicast_gc_work, br_fdb_cleanup pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=11/256 refcnt=12 pending: 4*defense_work_handler, 4*br_fdb_cleanup, br_multicast_gc_work, 2*br_fdb_cleanup workqueue events_unbound: flags=0x2 pwq 4: cpus=0-1 flags=0x4 nice=0 active=21/512 refcnt=22 pending: 5*nsim_dev_trap_report_work, 5*cfg80211_wiphy_work, 5*nsim_dev_trap_report_work, toggle_allocation_gate, flush_memcg_stats_dwork, macvlan_process_broadcast, 2*idle_cull_fn, macvlan_process_broadcast pwq 4: cpus=0-1 flags=0x4 nice=0 active=6/512 refcnt=7 pending: 3*cfg80211_wiphy_work, crng_reseed, 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=3/256 refcnt=4 pending: wg_ratelimiter_gc_entries, neigh_managed_work, neigh_periodic_work pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=5/256 refcnt=6 pending: neigh_managed_work, neigh_periodic_work, do_cache_clean, gc_worker, 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=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 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: work_fn workqueue mld: flags=0x40008 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=2 pending: mld_query_work pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=2 pending: mld_query_work workqueue ipv6_addrconf: flags=0xe000a pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=10 pending: addrconf_verify_work inactive: 6*addrconf_verify_work workqueue krxrpcd: flags=0xa001a pwq 5: cpus=0-1 node=0 flags=0x4 nice=-20 active=1/1 refcnt=10 pending: rxrpc_peer_keepalive_worker inactive: 6*rxrpc_peer_keepalive_worker workqueue bat_events: flags=0xe000a pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=55 pending: batadv_iv_send_outstanding_bat_ogm_packet inactive: 2*batadv_iv_send_outstanding_bat_ogm_packet, 2*batadv_purge_orig, 6*batadv_nc_worker, 4*batadv_iv_send_outstanding_bat_ogm_packet, 6*batadv_mcast_mla_update, batadv_purge_orig, 2*batadv_iv_send_outstanding_bat_ogm_packet, 3*batadv_purge_orig, 7*batadv_iv_send_outstanding_bat_ogm_packet, 2*batadv_dat_purge, 2*batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_tt_purge, batadv_dat_purge, batadv_bla_periodic_work, 5*batadv_tt_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge 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 bond3: flags=0xa000a pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=5 pending: bond_mii_monitor inactive: bond_alb_monitor workqueue wg-kex-wg1: flags=0x6 pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=2 pending: wg_packet_handshake_send_worker pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=2 pending: wg_packet_handshake_send_worker workqueue wg-kex-wg2: flags=0x6 pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=2 pending: wg_packet_handshake_send_worker pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=2 pending: wg_packet_handshake_send_worker 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=2/256 refcnt=3 pending: wg_packet_encrypt_worker, wg_packet_tx_worker workqueue wg-kex-wg1: flags=0x6 pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=2 pending: wg_packet_handshake_send_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 workqueue wg-kex-wg2: flags=0x6 pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=2 pending: wg_packet_handshake_send_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_decrypt_worker workqueue wg-kex-wg2: flags=0x6 pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=2 pending: wg_packet_handshake_send_worker pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=2 pending: 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_packet_handshake_send_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-kex-wg1: flags=0x6 pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=2 pending: wg_packet_handshake_send_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 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 Showing backtraces of running workers in stalled CPU-bound worker pools: