sched: DL replenish lagged too much
BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 36s!
Showing busy workqueues and worker pools:
workqueue events: flags=0x100
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=24 refcnt=26
    in-flight: 1156:request_firmware_work_func for 87s ,9:fqdir_free_fn for 36s ,4898:netdev_work_proc for 39s netdev_work_proc
    pending: ovs_dp_masks_rebalance, 7*nsim_dev_hwstats_traffic_work, psi_avgs_work, ovs_dp_masks_rebalance, psi_avgs_work, vmstat_shepherd, psi_avgs_work, drm_fb_helper_damage_work, 5*ovs_dp_masks_rebalance, xfrm_state_gc_task BAR(1187)
workqueue events_unbound: flags=0x2
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=19 refcnt=20
    in-flight: 54:nsim_dev_trap_report_work for 3s ,5431:cfg80211_wiphy_work for 35s cfg80211_wiphy_work ,5433:macvlan_process_broadcast for 8s ,3325:linkwatch_event for 35s ,1450:cfg80211_wiphy_work for 37s cfg80211_wiphy_work ,5434:cfg80211_wiphy_work for 38s cfg80211_wiphy_work ,12:macvlan_process_broadcast for 4s macvlan_process_broadcast ,1165:nsim_dev_trap_report_work for 2s ,5425:cfg80211_wiphy_work for 30s cfg80211_wiphy_work ,3137:toggle_allocation_gate for 2s
    pending: 4*nsim_dev_trap_report_work
workqueue events_power_efficient: flags=0x82
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=4 refcnt=5
    in-flight: 5426:gc_worker for 25s
    pending: do_cache_clean, wg_ratelimiter_gc_entries, fb_flashcursor
workqueue events_dfl_long: flags=0x2
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=5 refcnt=6
    in-flight: 5436:defense_work_handler for 0s
    pending: 4*defense_work_handler
workqueue netns: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=4
    in-flight: 1187:cleanup_net for 40s
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: 5435:wb_workfn for 16s
workqueue mld: flags=0x40108
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=6
    pending: mld_ifc_work
    inactive: 4*mld_ifc_work
workqueue ipv6_addrconf: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=8
    in-flight: 13:addrconf_dad_work for 37s
    inactive: 4*addrconf_dad_work
workqueue bat_events: flags=0x6000a
  pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=39
    pending: batadv_purge_orig
    inactive: 4*batadv_mcast_mla_update, 5*batadv_iv_send_outstanding_bat_ogm_packet, 2*batadv_purge_orig, batadv_tt_purge, batadv_bla_periodic_work, batadv_dat_purge, 2*batadv_tt_purge, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_tt_purge, batadv_mcast_mla_update, batadv_tt_purge, batadv_iv_send_outstanding_bat_ogm_packet, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, 2*batadv_iv_send_outstanding_bat_ogm_packet, batadv_purge_orig, 3*batadv_iv_send_outstanding_bat_ogm_packet, batadv_purge_orig
workqueue hci3: flags=0x20012
  pwq 9: cpus=0-1 node=0 flags=0x4 nice=-20 active=1 refcnt=4
    in-flight: 4713:hci_error_reset for 37s
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=3 refcnt=4
    pending: wg_packet_decrypt_worker, 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_tx_worker, wg_packet_encrypt_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_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_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_tx_worker, wg_packet_encrypt_worker
workqueue wg-crypt-wg0: flags=0x128
  pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=3 refcnt=4
    pending: 2*wg_packet_tx_worker, wg_packet_encrypt_worker
workqueue wg-kex-wg1: flags=0x6
  pwq 8: cpus=0-1 flags=0x4 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=2 refcnt=3
    pending: wg_packet_tx_worker, wg_packet_encrypt_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_tx_worker, wg_packet_encrypt_worker
pool 2: cpus=0 node=0 flags=0x0 nice=0 hung=36s workers=9 idle: 4311 4815 4806 4796 4816 10
pool 8: cpus=0-1 flags=0x4 nice=0 hung=0s workers=24 idle: 5429 5432 58 5430 5427 40 3251 5428 4930
pool 9: cpus=0-1 node=0 flags=0x4 nice=-20 hung=0s workers=7 idle: 4724 4718 4716 4719 50 4726
Showing backtraces of busy workers in stalled worker pools:
pool 2:
task:kworker/0:2     state:R  running task     stack:0     pid:1156  tgid:1156  ppid:2      task_flags:0x4288060 flags:0x00000010
Workqueue: events request_firmware_work_func
Call trace:
 __switch_to+0x2b4/0x6e4 arch/arm64/kernel/process.c:775 (T)
 context_switch kernel/sched/core.c:5533 [inline]
 __schedule+0x135c/0x2b00 kernel/sched/core.c:7284
 preempt_schedule_common+0xd4/0x190 kernel/sched/core.c:7463
 preempt_schedule+0x60/0x78 kernel/sched/core.c:7487
 __local_bh_enable_ip+0x16c/0x234 kernel/softirq.c:480
 local_bh_enable include/linux/bottom_half.h:33 [inline]
 __alloc_skb+0x1c8/0x610 net/core/skbuff.c:699
 alloc_skb include/linux/skbuff.h:1384 [inline]
 alloc_uevent_skb+0x78/0x1ec lib/kobject_uevent.c:289
 uevent_net_broadcast_untagged lib/kobject_uevent.c:326 [inline]
 kobject_uevent_net_broadcast+0x2d4/0x53c lib/kobject_uevent.c:410
 kobject_uevent_env+0x518/0x944 lib/kobject_uevent.c:611
 kobject_uevent+0x2c/0x3c lib/kobject_uevent.c:659
 device_del+0x5f8/0x71c drivers/base/core.c:3983
 fw_load_sysfs_fallback drivers/base/firmware_loader/fallback.c:134 [inline]
 fw_load_from_user_helper drivers/base/firmware_loader/fallback.c:172 [inline]
 firmware_fallback_sysfs+0x330/0x930 drivers/base/firmware_loader/fallback.c:248
 _request_firmware+0xb34/0xf5c drivers/base/firmware_loader/main.c:898
 request_firmware_work_func+0xa4/0x24c drivers/base/firmware_loader/main.c:1162
 process_one_work kernel/workqueue.c:3396 [inline]
 process_scheduled_works+0x91c/0x1250 kernel/workqueue.c:3479
 worker_thread+0x798/0xbd0 kernel/workqueue.c:3560
 kthread+0x304/0x3d4 kernel/kthread.c:436
 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854