start_kernel+0x48e/0x490 init/main.c:1175 x86_64_start_reservations+0x24/0x30 arch/x86/kernel/head64.c:310 x86_64_start_kernel+0x12b/0x130 arch/x86/kernel/head64.c:291 common_startup_64+0x13e/0x158 BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 202s! Showing busy workqueues and worker pools: workqueue events: flags=0x100 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=882 refcnt=883 in-flight: 5635:free_ruleset_work for 201s pending: 9*free_ruleset_work, 3*nsim_dev_hwstats_traffic_work, 857*free_ruleset_work, 3*ovs_dp_masks_rebalance, psi_avgs_work, bpf_prog_free_deferred, delayed_vfree_work, vmstat_shepherd, free_obj_work, 2*psi_avgs_work, switchdev_deferred_process_work, rht_deferred_worker pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=6 refcnt=7 pending: 5*nsim_dev_hwstats_traffic_work, psi_avgs_work workqueue events_long: flags=0x100 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=8 refcnt=9 pending: 4*defense_work_handler, br_multicast_gc_work, 3*br_fdb_cleanup pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4 pending: 3*defense_work_handler workqueue events_unbound: flags=0x2 pwq 8: cpus=0-1 flags=0x4 nice=0 active=27 refcnt=28 in-flight: 5824:fsnotify_mark_destroy_workfn for 202s fsnotify_mark_destroy_workfn ,57:fsnotify_connector_destroy_workfn for 202s fsnotify_connector_destroy_workfn pending: cfg80211_wiphy_work, 7*nsim_dev_trap_report_work, toggle_allocation_gate, nsim_dev_trap_report_work, 3*cfg80211_wiphy_work, crng_reseed, 2*cfg80211_wiphy_work, idle_cull_fn, cfg80211_wiphy_work, 5*macvlan_process_broadcast pwq 8: cpus=0-1 flags=0x4 nice=0 active=3 refcnt=4 in-flight: 13:cfg80211_wiphy_work for 201s pending: cfg80211_wiphy_work, flush_memcg_stats_dwork workqueue events_power_efficient: flags=0x180 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=10 refcnt=11 pending: wg_ratelimiter_gc_entries, 2*neigh_managed_work, gc_worker, 2*neigh_periodic_work, do_cache_clean, 3*check_lifetime workqueue rcu_gp: flags=0x108 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: process_srcu 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 pending: wb_workfn workqueue ipv6_addrconf: flags=0x6000a pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=9 pending: 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=49 pending: batadv_iv_send_outstanding_bat_ogm_packet inactive: 5*batadv_iv_send_outstanding_bat_ogm_packet, batadv_purge_orig, 7*batadv_iv_send_outstanding_bat_ogm_packet, 5*batadv_purge_orig, 7*batadv_iv_send_outstanding_bat_ogm_packet, 6*batadv_mcast_mla_update, batadv_bla_periodic_work, 2*batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, 4*batadv_tt_purge, batadv_bla_periodic_work workqueue bond0: flags=0x2000a pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=4 pending: bond_arp_monitor workqueue wg-kex-wg0: flags=0x6 pwq 8: cpus=0-1 flags=0x4 nice=0 active=3 refcnt=4 pending: 2*wg_packet_handshake_send_worker, wg_queued_expired_zero_key_material workqueue wg-kex-wg1: flags=0x6 pwq 8: cpus=0-1 flags=0x4 nice=0 active=3 refcnt=4 pending: 2*wg_packet_handshake_send_worker, wg_queued_expired_zero_key_material workqueue wg-kex-wg2: flags=0x6 pwq 8: cpus=0-1 flags=0x4 nice=0 active=3 refcnt=4 pending: 2*wg_packet_handshake_send_worker, wg_queued_expired_zero_key_material workqueue wg-kex-wg0: flags=0x6 pwq 8: cpus=0-1 flags=0x4 nice=0 active=3 refcnt=4 pending: 2*wg_packet_handshake_send_worker, wg_queued_expired_zero_key_material workqueue wg-kex-wg1: flags=0x6 pwq 8: cpus=0-1 flags=0x4 nice=0 active=3 refcnt=4 pending: 2*wg_packet_handshake_send_worker, wg_queued_expired_zero_key_material workqueue wg-kex-wg0: flags=0x6 pwq 8: cpus=0-1 flags=0x4 nice=0 active=2 refcnt=3 pending: wg_packet_handshake_send_worker, wg_queued_expired_zero_key_material workqueue wg-kex-wg2: flags=0x6 pwq 8: cpus=0-1 flags=0x4 nice=0 active=3 refcnt=4 pending: 2*wg_packet_handshake_send_worker, wg_queued_expired_zero_key_material workqueue wg-kex-wg1: flags=0x6 pwq 8: cpus=0-1 flags=0x4 nice=0 active=2 refcnt=3 pending: wg_packet_handshake_send_worker, wg_queued_expired_zero_key_material workqueue wg-kex-wg2: flags=0x6 pwq 8: cpus=0-1 flags=0x4 nice=0 active=3 refcnt=4 pending: 2*wg_packet_handshake_send_worker, wg_queued_expired_zero_key_material workqueue wg-crypt-wg0: flags=0x128 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: 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-crypt-wg1: flags=0x128 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_encrypt_worker workqueue hci4: flags=0x20012 pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=4 in-flight: 5645:hci_cmd_sync_work for 169s 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_encrypt_worker workqueue wg-crypt-wg1: flags=0x128 pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_encrypt_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 pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_encrypt_worker pool 2: cpus=0 node=0 flags=0x0 nice=0 hung=202s workers=6 idle: 5641 185 10 5819 9 pool 8: cpus=0-1 flags=0x4 nice=0 hung=202s workers=30 idle: 7446 1011 48 6007 5925 7439 7437 8634 7448 36 7454 7452 5919 8833 7444 7442 5920 78 1151 8832 7456 12 5936 974 8834 7451 7453 pool 9: cpus=0-1 node=0 flags=0x4 nice=-20 hung=0s workers=8 idle: 5644 5634 5650 5652 5653 5647 5640 Showing backtraces of busy workers in stalled worker pools: