BUG: workqueue lockup - pool cpus=2 node=0 flags=0x0 nice=0 stuck for 207s! Showing busy workqueues and worker pools: workqueue events: flags=0x0 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=10 refcnt=11 pending: psi_avgs_work, nsim_dev_trap_report_work, 4*nsim_dev_hwstats_traffic_work, 3*nsim_dev_trap_report_work, vmstat_shepherd pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: ovs_dp_masks_rebalance pwq 10: cpus=2 node=0 flags=0x0 nice=0 active=11 refcnt=12 pending: psi_avgs_work, kfree_rcu_monitor, fill_page_cache_func, e1000_watchdog, ovs_dp_masks_rebalance, 2*kfree_rcu_work, destroy_super_work, free_obj_work, 2*psi_avgs_work pwq 14: cpus=3 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: psi_avgs_work workqueue events_long: flags=0x0 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: defense_work_handler pwq 10: cpus=2 node=0 flags=0x0 nice=0 active=4 refcnt=5 pending: 4*defense_work_handler workqueue events_unbound: flags=0x2 pwq 32: cpus=0-7 flags=0x4 nice=0 active=1 refcnt=2 in-flight: 82:toggle_allocation_gate workqueue events_power_efficient: flags=0x80 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: fb_flashcursor pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3 pending: neigh_periodic_work, neigh_managed_work pwq 10: cpus=2 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: gc_worker pwq 14: cpus=3 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_ratelimiter_gc_entries workqueue events_freezable_pwr_efficient: flags=0x84 pwq 14: cpus=3 node=0 flags=0x0 nice=0 active=1 refcnt=2 in-flight: 4351:disk_events_workfn workqueue rcu_gp: flags=0x8 pwq 10: cpus=2 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: process_srcu 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 pwq 10: cpus=2 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: vmstat_update workqueue bat_events: flags=0x6000a pwq 32: cpus=0-7 flags=0x4 nice=0 active=1 refcnt=23 in-flight: 1099:batadv_tt_purge inactive: 2*batadv_tt_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, 4*batadv_nc_worker, 4*batadv_mcast_mla_update workqueue wg-crypt-wg0: flags=0x28 pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_tx_worker workqueue wg-crypt-wg1: flags=0x28 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 10: cpus=2 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_encrypt_worker workqueue wg-crypt-wg0: flags=0x28 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 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_decrypt_worker pwq 10: cpus=2 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_tx_worker workqueue wg-kex-wg0: flags=0x24 pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_receive_worker pwq 10: cpus=2 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_receive_worker workqueue wg-crypt-wg0: flags=0x28 pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_encrypt_worker pwq 10: cpus=2 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_encrypt_worker workqueue wg-kex-wg1: flags=0x24 pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_receive_worker pwq 10: cpus=2 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_receive_worker workqueue wg-crypt-wg1: flags=0x28 pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=3 refcnt=4 pending: wg_packet_encrypt_worker, wg_packet_decrypt_worker, wg_packet_tx_worker pwq 10: cpus=2 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=0x24 pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_receive_worker pwq 10: cpus=2 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_receive_worker workqueue wg-crypt-wg2: flags=0x28 pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=2 refcnt=3 pending: wg_packet_encrypt_worker, wg_packet_decrypt_worker pwq 10: cpus=2 node=0 flags=0x0 nice=0 active=2 refcnt=3 pending: wg_packet_encrypt_worker, wg_packet_decrypt_worker workqueue wg-kex-wg0: flags=0x24 pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_receive_worker pwq 10: cpus=2 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_receive_worker workqueue wg-crypt-wg0: flags=0x28 pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=4 refcnt=5 in-flight: 7284:wg_packet_tx_worker pending: wg_packet_decrypt_worker, wg_packet_encrypt_worker, wg_packet_tx_worker pwq 10: cpus=2 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=0x24 pwq 10: cpus=2 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_handshake_receive_worker workqueue wg-crypt-wg1: flags=0x28 pwq 6: cpus=1 node=0 flags=0x0 nice=0 active=1 refcnt=2 pending: wg_packet_encrypt_worker pwq 10: cpus=2 node=0 flags=0x0 nice=0 active=2 refcnt=3 pending: wg_packet_encrypt_worker, wg_packet_decrypt_worker workqueue wg-kex-wg2: flags=0x24 pwq 2: cpus=0 node=0 flags=0x0 nice=0 active=1 refcnt=2 in-flight: 1428:wg_packet_handshake_receive_worker workqueue wg-crypt-wg2: flags=0x28 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 pwq 10: cpus=2 node=0 flags=0x0 nice=0 active=3 refcnt=4 pending: wg_packet_encrypt_worker, wg_packet_decrypt_worker, wg_packet_tx_worker pool 2: cpus=0 node=0 flags=0x0 nice=0 hung=1s workers=5 idle: 5430 12951 5408 10 pool 6: cpus=1 node=0 flags=0x0 nice=0 hung=122s workers=5 idle: 7165 30 56 1414 pool 14: cpus=3 node=0 flags=0x0 nice=0 hung=0s workers=4 idle: 6084 5409 58 pool 32: cpus=0-7 flags=0x4 nice=0 hung=0s workers=6 idle: 64 3168 13 1101 Showing backtraces of running workers in stalled CPU-bound worker pools: