BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 44s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x100
pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=18 refcnt=19
in-flight: 4811:reg_todo for 44s
pending: 5*nsim_dev_hwstats_traffic_work, psi_avgs_work, vmstat_shepherd, 3*psi_avgs_work, free_obj_work, 3*ovs_dp_masks_rebalance, 2*psi_avgs_work, drm_fb_helper_damage_work
workqueue events_unbound: flags=0x2
pwq 8: cpus=0-1 flags=0x6 nice=0 active=10 refcnt=11
in-flight: 4951:cfg80211_wiphy_work for 63s cfg80211_wiphy_work ,5611:nsim_dev_trap_report_work for 0s ,58:cfg80211_wiphy_work for 64s cfg80211_wiphy_work
pending: 4*macvlan_process_broadcast, toggle_allocation_gate
pwq 8: cpus=0-1 flags=0x6 nice=0 active=25 refcnt=26
in-flight: 4952:cfg80211_wiphy_work for 60s cfg80211_wiphy_work ,64:cfg80211_wiphy_work for 68s cfg80211_wiphy_work ,40:cfg80211_wiphy_work for 59s cfg80211_wiphy_work ,4954:cfg80211_wiphy_work for 69s cfg80211_wiphy_work ,1395:cfg80211_wiphy_work for 67s cfg80211_wiphy_work ,14:cfg80211_wiphy_work for 58s cfg80211_wiphy_work ,4953:cfg80211_wiphy_work for 39s ,4842:cfg80211_wiphy_work for 68s cfg80211_wiphy_work
pending: nsim_dev_trap_report_work, flush_memcg_stats_dwork, cfg80211_wiphy_work, 2*nsim_dev_trap_report_work, 3*macvlan_process_broadcast, nsim_dev_trap_report_work, macvlan_process_broadcast
workqueue events_power_efficient: flags=0x82
pwq 8: cpus=0-1 flags=0x6 nice=0 active=5 refcnt=6
in-flight: 50:neigh_periodic_work for 30s
pending: wg_ratelimiter_gc_entries, crda_timeout_work, neigh_periodic_work, reg_check_chans_work
pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
pending: gc_worker
workqueue events_dfl_long: flags=0x2
pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
pending: defense_work_handler
pwq 8: cpus=0-1 flags=0x6 nice=0 active=5 refcnt=6
pending: 5*defense_work_handler
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=0x6 nice=0 active=1 refcnt=2
in-flight: 12:wb_workfn for 65s
workqueue bat_events: flags=0x6000a
pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=45 MAYDAY
in-flight: 2850(RESCUER):batadv_tt_purge for 9s
pending: mayday_cursor_func
inactive: 2*batadv_tt_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, batadv_bla_periodic_work, batadv_dat_purge, 5*batadv_mcast_mla_update, 2*batadv_iv_send_outstanding_bat_ogm_packet, 5*batadv_purge_orig, 13*batadv_iv_send_outstanding_bat_ogm_packet, 2*batadv_tt_purge
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 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-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=0x6 nice=0 active=1 refcnt=2
pending: wg_packet_handshake_send_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_decrypt_worker, wg_packet_encrypt_worker
workqueue wg-kex-wg1: flags=0x6
pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
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_tx_worker, wg_packet_decrypt_worker, wg_packet_encrypt_worker
workqueue wg-kex-wg0: flags=0x6
pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
pending: wg_packet_handshake_send_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_decrypt_worker, wg_packet_encrypt_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=0x6 nice=0 active=1 refcnt=2
pending: wg_packet_handshake_send_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_decrypt_worker, wg_packet_encrypt_worker
workqueue wg-kex-wg1: flags=0x6
pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
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_encrypt_worker, wg_packet_tx_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-crypt-wg1: 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-crypt-wg2: 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-kex-wg0: flags=0x6
pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
pending: wg_packet_handshake_send_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_decrypt_worker, wg_packet_encrypt_worker
workqueue wg-crypt-wg1: flags=0x128
pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4
pending: wg_packet_tx_worker, wg_packet_decrypt_worker, wg_packet_encrypt_worker
workqueue wg-kex-wg2: flags=0x6
pwq 8: cpus=0-1 flags=0x6 nice=0 active=1 refcnt=2
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
pool 2: cpus=0 node=0 flags=0x0 nice=0 hung=44s workers=10 idle: 866 9 4814 4955 10 4803 4791 4377 4815
pool 8: cpus=0-1 flags=0x6 nice=0 hung=0s workers=14 manager: 5612
Showing backtraces of busy workers in stalled worker pools:
pool 2:
task:kworker/0:6 state:R running task stack:0 pid:4811 tgid:4811 ppid:2 task_flags:0x4208060 flags:0x00000010
Workqueue: events reg_todo
Call trace:
__switch_to+0x2b4/0x6e4 arch/arm64/kernel/process.c:775 (T)
context_switch kernel/sched/core.c:5520 [inline]
__schedule+0x1370/0x2d80 kernel/sched/core.c:7270
preempt_schedule_common+0xd4/0x190 kernel/sched/core.c:7449
preempt_schedule+0x60/0x78 kernel/sched/core.c:7473
__local_bh_enable_ip+0x20c/0x35c kernel/softirq.c:480
__raw_spin_unlock_bh include/linux/spinlock_api_smp.h:237 [inline]
_raw_spin_unlock_bh+0x3c/0x4c kernel/locking/spinlock.c:245
spin_unlock_bh include/linux/spinlock.h:407 [inline]
reg_process_pending_beacon_hints net/wireless/reg.c:3146 [inline]
reg_todo+0x608/0x6a4 net/wireless/reg.c:3207
process_one_work kernel/workqueue.c:3387 [inline]
process_scheduled_works+0x91c/0x1250 kernel/workqueue.c:3470
worker_thread+0x798/0xbd0 kernel/workqueue.c:3551
kthread+0x304/0x3d4 kernel/kthread.c:436
ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:838