BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 151s! Showing busy workqueues and worker pools: workqueue events: flags=0x100 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=11 refcnt=12 in-flight: 5944:switchdev_deferred_process_work pending: 2*nsim_dev_hwstats_traffic_work, 4*psi_avgs_work, vmstat_shepherd, 3*ovs_dp_masks_rebalance pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=10 refcnt=11 pending: 4*nsim_dev_hwstats_traffic_work, 2*psi_avgs_work, 3*ovs_dp_masks_rebalance, rht_deferred_worker workqueue events_long: flags=0x100 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=4 refcnt=5 pending: 3*defense_work_handler, br_fdb_cleanup pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=4 refcnt=5 pending: 3*defense_work_handler, br_fdb_cleanup workqueue events_unbound: flags=0x2 pwq 8: cpus=0-1 flags=0x4 nice=0 active=9 refcnt=10 in-flight: 50:cfg80211_wiphy_work pending: crng_reseed, cfg80211_wiphy_work, toggle_allocation_gate, 4*cfg80211_wiphy_work, flush_memcg_stats_dwork pwq 8: cpus=0-1 flags=0x4 nice=0 active=4 refcnt=5 pending: 4*cfg80211_wiphy_work workqueue events_unbound: flags=0x2 pwq 8: cpus=0-1 flags=0x4 nice=0 active=9 refcnt=10 pending: macvlan_process_broadcast, 6*nsim_dev_trap_report_work, 2*idle_cull_fn pwq 8: cpus=0-1 flags=0x4 nice=0 active=7 refcnt=8 pending: 6*macvlan_process_broadcast, idle_cull_fn workqueue events_freezable: flags=0x104 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: update_balloon_stats_func workqueue events_power_efficient: flags=0x180 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=5 refcnt=6 in-flight: 5873:reg_check_chans_work ,10:gc_worker pending: nf_flow_offload_work_gc, check_lifetime, do_cache_clean pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=5 refcnt=6 in-flight: 2155:neigh_periodic_work pending: 2*neigh_managed_work, 2*check_lifetime workqueue kvfree_rcu_reclaim: flags=0xa 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=0x4 nice=0 active=1 refcnt=2 in-flight: 2932:wb_workfn workqueue kblockd: flags=0x18 pwq 3: cpus=0 node=0 flags=0x0 nice=-20 active=1 refcnt=2 pending: blk_mq_timeout_work workqueue ipv6_addrconf: flags=0x6000a pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=9 in-flight: 50:addrconf_verify_work inactive: 5*addrconf_verify_work workqueue bat_events: flags=0x6000a pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=33 in-flight: 1018:batadv_iv_send_outstanding_bat_ogm_packet inactive: 4*batadv_iv_send_outstanding_bat_ogm_packet, 2*batadv_purge_orig, 2*batadv_iv_send_outstanding_bat_ogm_packet, batadv_purge_orig, 4*batadv_iv_send_outstanding_bat_ogm_packet, 5*batadv_tt_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, 2*batadv_dat_purge, batadv_mcast_mla_update workqueue wg-kex-wg1: flags=0x6 workqueue wg-kex-wg0: flags=0x124 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_receive_worker workqueue wg-crypt-wg0: flags=0x128 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-crypt-wg1: flags=0x128 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=0x124 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=0x128 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=0x124 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_receive_worker workqueue wg-crypt-wg0: flags=0x128 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-crypt-wg1: flags=0x128 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_decrypt_worker workqueue wg-crypt-wg2: flags=0x128 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_encrypt_worker workqueue hci0: flags=0x20012 pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=4 in-flight: 5834:hci_cmd_sync_work workqueue wg-kex-wg0: flags=0x124 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_receive_worker workqueue wg-crypt-wg0: flags=0x128 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=2 refcnt=3 pending: wg_packet_tx_worker, wg_packet_decrypt_worker workqueue wg-kex-wg1: flags=0x124 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=0x128 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-wg2: flags=0x124 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=0x128 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=2 refcnt=3 pending: wg_packet_encrypt_worker, wg_packet_tx_worker workqueue hci1: flags=0x20012 pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=4 in-flight: 5847:hci_cmd_sync_work workqueue wg-kex-wg0: flags=0x124 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_receive_worker workqueue wg-crypt-wg0: flags=0x128 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=0x124 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=0x128 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-wg2: flags=0x124 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=0x128 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=2 refcnt=3 pending: wg_packet_encrypt_worker, wg_packet_tx_worker pool 2: cpus=0 node=0 flags=0x0 nice=0 hung=68s workers=6 idle: 5941 5961 5906 pool 8: cpus=0-1 flags=0x4 nice=0 hung=0s workers=11 idle: 7084 7086 1018 2932 7076 7078 7080 7082 2956 13 pool 9: cpus=0-1 node=0 flags=0x4 nice=-20 hung=0s workers=8 idle: 5835 52 5832 8227 5149 5846 Showing backtraces of running workers in stalled CPU-bound worker pools: