BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 205s!
BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=-20 stuck for 200s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x100
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=11 refcnt=12
    pending: free_obj_work, 2*nsim_dev_hwstats_traffic_work, 2*psi_avgs_work, vmstat_shepherd, psi_avgs_work, 3*ovs_dp_masks_rebalance, reg_todo
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=9 refcnt=10
    pending: 3*nsim_dev_hwstats_traffic_work, psi_avgs_work, l2cap_info_timeout, 4*ovs_dp_masks_rebalance
workqueue events_long: flags=0x100
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: 3*defense_work_handler
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=4 refcnt=5
    pending: 4*defense_work_handler
workqueue events_unbound: flags=0x2
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=6 refcnt=7
    in-flight: 6058:cfg80211_wiphy_work for 0s ,6062:nsim_dev_trap_report_work for 0s ,63:cfg80211_wiphy_work for 15s cfg80211_wiphy_work ,6065:cfg80211_wiphy_work for 20s cfg80211_wiphy_work
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=2 refcnt=3
    in-flight: 12:cfg80211_wiphy_work for 15s cfg80211_wiphy_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=6 refcnt=7
    in-flight: 9:gc_worker for 15s
    pending: do_cache_clean, 2*neigh_periodic_work, 2*neigh_managed_work
  pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2
    in-flight: 29:reg_check_chans_work for 0s
workqueue netns: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=4
    in-flight: 143:cleanup_net for 208s
workqueue mm_percpu_wq: flags=0x108
  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: 36:wb_workfn for 149s
workqueue mld: flags=0x40108
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=3
    pending: mld_dad_work
    inactive: mld_ifc_work
workqueue bat_events: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=43
    in-flight: 1327:batadv_tt_purge for 11s
    inactive: batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, 2*batadv_iv_send_outstanding_bat_ogm_packet, 2*batadv_purge_orig, 3*batadv_iv_send_outstanding_bat_ogm_packet, batadv_purge_orig, 4*batadv_iv_send_outstanding_bat_ogm_packet, batadv_purge_orig, 6*batadv_iv_send_outstanding_bat_ogm_packet, 2*batadv_tt_purge, 5*batadv_mcast_mla_update, batadv_purge_orig, 2*batadv_tt_purge
workqueue hci1: flags=0x20012
  pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=4
    in-flight: 5831:hci_cmd_sync_work for 98s
workqueue hci2: 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 98s
workqueue hci3: flags=0x20012
  pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=4
    in-flight: 51:hci_cmd_sync_work for 99s
workqueue hci4: flags=0x20012
  pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=4
    in-flight: 5834:hci_cmd_sync_work for 97s
workqueue wg-crypt-wg0: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: 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_tx_worker
workqueue wg-crypt-wg2: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2
    pending: 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=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=1 refcnt=2
    pending: 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=1 refcnt=2
    pending: wg_packet_decrypt_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_tx_worker, wg_packet_encrypt_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=2 refcnt=3
    pending: wg_packet_decrypt_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_tx_worker, wg_packet_encrypt_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_decrypt_worker, wg_packet_encrypt_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_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
workqueue wg-crypt-wg2: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=2 refcnt=3
    pending: wg_packet_decrypt_worker, 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
workqueue wg-crypt-wg0: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: wg_packet_tx_worker, wg_packet_encrypt_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=2 refcnt=3
    pending: 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=1 refcnt=2
    pending: wg_packet_decrypt_worker
workqueue hci0: flags=0x20012
  pwq 9: cpus=0-1 node=0 flags=0x6 nice=-20 active=1 refcnt=4
    in-flight: 5821:hci_cmd_sync_work for 76s
workqueue hci5: flags=0x20012
  pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=4
    in-flight: 6075:hci_rx_work for 0s
workqueue hci5: flags=0x20012
  pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=4
    in-flight: 5144:hci_power_on for 0s
workqueue hci6: flags=0x20012
workqueue hci6: flags=0x20012
  pwq 9: cpus=0-1 node=0 flags=0x6 nice=-20 active=1 refcnt=4
    in-flight: 6075:hci_power_on for 0s
pool 2: cpus=0 node=0 flags=0x0 nice=0 hung=17s workers=9 idle: 10 5823 5904 5956 5873 5952 1612 5886
pool 6: cpus=1 node=0 flags=0x0 nice=0 hung=0s workers=7 idle: 5931 24 5899 979 796 5935
pool 8: cpus=0-1 flags=0x4 nice=0 hung=0s workers=13 idle: 1327 49 36 6058 6062 63 164 6065 12 1317 13 6066
pool 9: cpus=0-1 node=0 flags=0x4 nice=-20 hung=0s workers=10 idle: 6079
Showing backtraces of busy workers in stalled worker pools:
pool 6:
task:kworker/1:1     state:R  running task     stack:22840 pid:29    tgid:29    ppid:2      task_flags:0x4208060 flags:0x00080000
Workqueue: events drain_vmap_area_work
Call Trace:
 <TASK>
 context_switch kernel/sched/core.c:5298 [inline]
 __schedule+0x15dd/0x52d0 kernel/sched/core.c:6911
 preempt_schedule_common+0x82/0xd0 kernel/sched/core.c:7095
 preempt_schedule_thunk+0x16/0x30 arch/x86/entry/thunk.S:12
 class_preempt_destructor include/linux/preempt.h:468 [inline]
 flush_tlb_kernel_range+0x374/0x460 arch/x86/mm/tlb.c:1564
 __purge_vmap_area_lazy+0x4a3/0xb70 mm/vmalloc.c:2382
 drain_vmap_area_work+0x27/0x40 mm/vmalloc.c:2436
 process_one_work kernel/workqueue.c:3276 [inline]
 process_scheduled_works+0xb6e/0x18c0 kernel/workqueue.c:3359
 worker_thread+0xa53/0xfc0 kernel/workqueue.c:3440
 kthread+0x388/0x470 kernel/kthread.c:436
 ret_from_fork+0x51e/0xb90 arch/x86/kernel/process.c:158
 ret_from_fork_asm+0x1a/0x30 arch/x86/entry/entry_64.S:245
 </TASK>