BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 146s! Showing busy workqueues and worker pools: workqueue events: flags=0x100 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=17 refcnt=18 pending: 6*nsim_dev_hwstats_traffic_work, psi_avgs_work, vmstat_shepherd, 2*psi_avgs_work, 6*ovs_dp_masks_rebalance, rht_deferred_worker pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=8 refcnt=9 in-flight: 5268:switchdev_deferred_process_work for 44s switchdev_deferred_process_work pending: 4*nsim_dev_hwstats_traffic_work, 2*ovs_dp_masks_rebalance workqueue events_long: flags=0x100 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=7 refcnt=8 pending: 5*defense_work_handler, br_multicast_gc_work, br_fdb_cleanup pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4 in-flight: 9574:defense_work_handler for 16s pending: 2*defense_work_handler workqueue events_unbound: flags=0x2 pwq 8: cpus=0-1 flags=0x4 nice=0 active=2 refcnt=3 in-flight: 32103:cfg80211_wiphy_work for 128s cfg80211_wiphy_work pwq 8: cpus=0-1 flags=0x4 nice=0 active=20 refcnt=21 in-flight: 6891:cfg80211_wiphy_work for 144s cfg80211_wiphy_work ,6903:nsim_dev_trap_report_work for 32s ,24883:cfg80211_wiphy_work for 141s cfg80211_wiphy_work ,5304:cfg80211_wiphy_work for 142s cfg80211_wiphy_work ,24885:nsim_dev_trap_report_work for 0s ,24888:toggle_allocation_gate for 20s ,24862:linkwatch_event for 147s linkwatch_event ,32099:nsim_dev_trap_report_work for 5s ,24861:nsim_dev_trap_report_work for 6s ,24882:nsim_dev_trap_report_work for 52s pending: crng_reseed, 5*nsim_dev_trap_report_work 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=9 refcnt=10 pending: wg_ratelimiter_gc_entries, check_lifetime, gc_worker, 6*check_lifetime pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=8 refcnt=9 in-flight: 9572:reg_check_chans_work for 88s ,24:neigh_periodic_work for 132s pending: nf_flow_offload_work_gc, hash_ipportnet4_gc, hash_ip4_gc, 2*neigh_managed_work, neigh_periodic_work workqueue netns: flags=0x6000a pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=4 in-flight: 5303:cleanup_net for 148s workqueue mm_percpu_wq: flags=0x108 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: vmstat_update pwq 6: cpus=1 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: 32104:wb_workfn for 130s workqueue ipv6_addrconf: flags=0x6000a pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=11 in-flight: 24868:addrconf_verify_work for 101s inactive: 7*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=0x4 nice=0 active=1 refcnt=58 in-flight: 24879:batadv_tt_purge for 118s inactive: 7*batadv_mcast_mla_update, batadv_tt_purge, 5*batadv_iv_send_outstanding_bat_ogm_packet, 4*batadv_purge_orig, 12*batadv_iv_send_outstanding_bat_ogm_packet, 2*batadv_purge_orig, batadv_tt_purge, batadv_dat_purge, batadv_bla_periodic_work, 4*batadv_tt_purge, 2*batadv_dat_purge, 3*batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, 2*batadv_dat_purge, batadv_bla_periodic_work, 3*batadv_iv_send_outstanding_bat_ogm_packet, batadv_purge_orig workqueue wg-kex-wg0: flags=0x6 pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2 in-flight: 32109:wg_packet_handshake_send_worker for 48s workqueue wg-crypt-wg0: 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-crypt-wg1: flags=0x128 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_encrypt_worker workqueue wg-kex-wg2: flags=0x6 pwq 8: cpus=0-1 flags=0x4 nice=0 active=3 refcnt=4 in-flight: 24874:wg_packet_handshake_send_worker for 1s ,5301:wg_packet_handshake_send_worker for 99s wg_packet_handshake_send_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 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 pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3 in-flight: 5893:wg_packet_handshake_receive_worker for 70s wg_packet_handshake_receive_worker workqueue wg-kex-wg0: flags=0x6 pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2 in-flight: 24875:wg_packet_handshake_send_worker for 2s 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 pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3 in-flight: 9575:wg_packet_handshake_receive_worker for 31s 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_decrypt_worker, 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 pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_receive_worker workqueue wg-kex-wg2: flags=0x6 pwq 8: cpus=0-1 flags=0x4 nice=0 active=3 refcnt=4 in-flight: 6901:wg_packet_handshake_send_worker for 56s wg_packet_handshake_send_worker pending: wg_packet_handshake_send_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=0x6 pwq 8: cpus=0-1 flags=0x4 nice=0 active=2 refcnt=3 in-flight: 6889:wg_packet_handshake_send_worker for 73s wg_packet_handshake_send_worker workqueue wg-crypt-wg0: 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-wg1: flags=0x6 pwq 8: cpus=0-1 flags=0x4 nice=0 active=2 refcnt=3 in-flight: 5307:wg_packet_handshake_send_worker for 3s ,24869:wg_packet_handshake_send_worker for 5s 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=0x6 pwq 8: cpus=0-1 flags=0x4 nice=0 active=3 refcnt=4 in-flight: 162:wg_packet_handshake_send_worker for 19s wg_packet_handshake_send_worker pending: wg_packet_handshake_send_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 pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3 in-flight: 9570:wg_packet_handshake_receive_worker for 28s 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=0x6 pwq 8: cpus=0-1 flags=0x4 nice=0 active=2 refcnt=3 in-flight: 24878:wg_packet_handshake_send_worker for 34s pending: wg_packet_handshake_send_worker workqueue wg-crypt-wg1: flags=0x128 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4 pending: wg_packet_decrypt_worker, wg_packet_tx_worker, wg_packet_encrypt_worker pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_encrypt_worker workqueue wg-kex-wg2: flags=0x6 pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2 in-flight: 24890:wg_packet_handshake_send_worker for 9s 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 hci3: flags=0x20012 pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=4 in-flight: 5836:hci_cmd_sync_work for 57s workqueue hci4: flags=0x20012 pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=4 in-flight: 24941:hci_cmd_sync_work for 57s workqueue hci5: flags=0x20012 pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=4 in-flight: 25224:hci_cmd_sync_work for 57s pool 6: cpus=1 node=0 flags=0x0 nice=0 hung=18s workers=11 idle: 26658 9571 5267 5827 pool 8: cpus=0-1 flags=0x4 nice=0 hung=0s workers=62 idle: 24877 24866 32105 24864 24865 32117 24867 24881 32110 6900 32116 32101 6893 24860 24892 24871 24895 32112 32106 24876 24880 24897 24896 24889 32118 32098 24894 24884 32102 5305 6025 32111 6888 32115 6890 pool 9: cpus=0-1 node=0 flags=0x4 nice=-20 hung=1s workers=7 idle: 3869 3952 3871 3870 Showing backtraces of busy workers in stalled worker pools: