BUG: workqueue lockup - pool cpus=0 node=0 flags=0x0 nice=0 stuck for 34s! BUG: workqueue lockup - pool cpus=0-1 flags=0x4 nice=0 stuck for 33s! Showing busy workqueues and worker pools: workqueue events: flags=0x0 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=6 refcnt=7 pending: psi_avgs_work, nsim_dev_trap_report_work, nsim_dev_hwstats_traffic_work, vmstat_shepherd, psi_avgs_work, kfree_rcu_monitor pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=4 refcnt=5 in-flight: 5487:nsim_dev_trap_report_work pending: kfree_rcu_monitor, psi_avgs_work, nsim_dev_hwstats_traffic_work workqueue events_unbound: flags=0x2 pwq 8: cpus=0-1 flags=0x4 nice=0 active=2 refcnt=3 pending: macvlan_process_broadcast, crng_reseed pwq 8: cpus=0-1 flags=0x4 nice=0 active=2 refcnt=3 pending: flush_memcg_stats_dwork, macvlan_process_broadcast workqueue events_power_efficient: flags=0x82 pwq 8: cpus=0-1 flags=0x4 nice=0 active=2 refcnt=3 pending: neigh_periodic_work, check_lifetime pwq 8: cpus=0-1 flags=0x4 nice=0 active=5 refcnt=6 pending: wg_ratelimiter_gc_entries, neigh_managed_work, neigh_periodic_work, neigh_managed_work, gc_worker workqueue mm_percpu_wq: flags=0x8 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 kblockd: flags=0x18 pwq 3: cpus=0 node=0 flags=0x0 nice=-20 active=1 refcnt=2 in-flight: 51:blk_mq_timeout_work workqueue dm_bufio_cache: flags=0x8 pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: work_fn workqueue ipv6_addrconf: flags=0x6000a pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=5 pending: addrconf_verify_work inactive: addrconf_verify_work workqueue wg-kex-wg0: flags=0x6 pwq 8: cpus=0-1 flags=0x4 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_send_worker workqueue wg-crypt-wg0: flags=0x28 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=0x28 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-wg2: flags=0x28 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-wg0: flags=0x28 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=0x28 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-wg2: flags=0x28 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 3: cpus=0 node=0 flags=0x0 nice=-20 hung=0s workers=2 idle: 8 pool 6: cpus=1 node=0 flags=0x0 nice=0 hung=19s workers=4 idle: 8719 26451 11252 Showing backtraces of running workers in stalled CPU-bound worker pools: