BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 43s! Showing busy workqueues and worker pools: workqueue events: flags=0x100 pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3 pending: psi_avgs_work, drm_fb_helper_damage_work workqueue events_unbound: flags=0x2 pwq 8: cpus=0-1 flags=0x4 nice=0 active=3 refcnt=4 in-flight: 26:nsim_dev_trap_report_work for 11s ,121:bpf_map_free_deferred for 7s ,1230:call_usermodehelper_exec_work for 0s workqueue mm_percpu_wq: flags=0x108 pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: vmstat_update workqueue wg-kex-wg0: flags=0x124 pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_receive_worker workqueue wg-crypt-wg0: flags=0x128 pwq 6: cpus=1 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 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3 pending: wg_packet_encrypt_worker, wg_packet_tx_worker workqueue wg-kex-wg2: flags=0x124 pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_receive_worker workqueue wg-crypt-wg2: flags=0x128 pwq 6: cpus=1 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-wg0: flags=0x128 pwq 6: cpus=1 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 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3 pending: wg_packet_encrypt_worker, wg_packet_tx_worker workqueue wg-kex-wg2: flags=0x124 pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_receive_worker workqueue wg-crypt-wg2: flags=0x128 pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4 pending: wg_packet_decrypt_worker, wg_packet_encrypt_worker, wg_packet_tx_worker pool 8: cpus=0-1 flags=0x4 nice=0 hung=0s workers=8 idle: 67 12 1264 41 1018 Showing backtraces of busy workers in stalled worker pools: pool 6: no worker in running state, cpu=1 is busy (nr_workers=5 nr_idle=5) The pool might have trouble waking an idle worker. Backtrace of last woken worker: task:kworker/1:0 state:R running task stack:0 pid:23 tgid:23 ppid:2 task_flags:0x4208060 flags:0x00000010 Workqueue: 0x0 (wg-crypt-wg0) Call trace: __switch_to+0x20c/0x520 arch/arm64/kernel/process.c:775 (T) context_switch kernel/sched/core.c:5520 [inline] __schedule+0xf98/0x34f4 kernel/sched/core.c:7270 __schedule_loop kernel/sched/core.c:7347 [inline] schedule+0xcc/0x288 kernel/sched/core.c:7362 worker_thread+0x200/0xc90 kernel/workqueue.c:3566 kthread+0x2ec/0x384 kernel/kthread.c:436 ret_from_fork+0x10/0x20 arch/arm64/kernel/entry.S:854 Sending NMI from CPU 0 to CPUs 1: After 10 seconds, these CPUS still haven't responded to the NMI: 1 watchdog: BUG: soft lockup - CPU#1 stuck for 30s! [kworker/u8:1:26] Modules linked in: irq event stamp: 631098 hardirqs last enabled at (631097): [] __local_bh_enable_ip+0x184/0x4a4 kernel/softirq.c:478 hardirqs last disabled at (631098): [] __el1_irq arch/arm64/kernel/entry-common.c:527 [inline] hardirqs last disabled at (631098): [] el1_interrupt+0x28/0x60 arch/arm64/kernel/entry-common.c:543 softirqs last enabled at (631096): [] __alloc_skb+0x4b0/0x600 net/core/skbuff.c:698 softirqs last disabled at (631094): [] __alloc_skb+0x498/0x600 net/core/skbuff.c:695