BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 34s! Showing busy workqueues and worker pools: workqueue events: flags=0x0 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=12/256 refcnt=13 in-flight: 5928:nsim_dev_trap_report_work pending: nsim_dev_trap_report_work, nsim_dev_trap_report_work, nsim_dev_trap_report_work, bpf_map_free_deferred, bpf_map_free_deferred, free_work, psi_avgs_work, psi_avgs_work, psi_avgs_work, ovs_dp_masks_rebalance, ovs_dp_masks_rebalance pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=17/256 refcnt=18 in-flight: 4239:kfree_rcu_work pending: nsim_dev_trap_report_work, nsim_dev_trap_report_work, nsim_dev_trap_report_work, nsim_dev_trap_report_work, nsim_dev_trap_report_work, nsim_dev_trap_report_work, psi_avgs_work, vmstat_shepherd, psi_avgs_work, psi_avgs_work, ovs_dp_masks_rebalance, ovs_dp_masks_rebalance, ovs_dp_masks_rebalance, ovs_dp_masks_rebalance, ovs_dp_masks_rebalance, macvlan_process_broadcast workqueue events_long: flags=0x0 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=4/256 refcnt=5 pending: defense_work_handler, defense_work_handler, defense_work_handler, defense_work_handler pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=5/256 refcnt=6 pending: defense_work_handler, defense_work_handler, defense_work_handler, defense_work_handler, br_fdb_cleanup workqueue events_unbound: flags=0x2 pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/512 refcnt=3 in-flight: 4295:call_usermodehelper_exec_work workqueue events_power_efficient: flags=0x82 pwq 4: cpus=0-1 flags=0x4 nice=0 active=5/256 refcnt=7 pending: neigh_periodic_work, gc_worker, neigh_periodic_work, do_cache_clean, fb_flashcursor workqueue netns: flags=0xe000a pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=3 in-flight: 4183:cleanup_net workqueue mm_percpu_wq: flags=0x8 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: vmstat_update pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: vmstat_update workqueue writeback: flags=0x4a pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 in-flight: 518:wb_workfn workqueue kblockd: flags=0x18 pwq 1: cpus=0 node=0 flags=0x0 nice=-20 active=4/256 refcnt=5 in-flight: 149:blk_mq_timeout_work pending: blk_mq_timeout_work, blk_mq_timeout_work, blk_mq_timeout_work workqueue dm_bufio_cache: flags=0x8 workqueue krxrpcd: flags=0x0 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=6 pending: rxrpc_peer_keepalive_worker inactive: rxrpc_peer_keepalive_worker, rxrpc_peer_keepalive_worker, rxrpc_peer_keepalive_worker, rxrpc_peer_keepalive_worker workqueue bat_events: flags=0xe000a pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/1 refcnt=56 in-flight: 9080:batadv_nc_worker inactive: batadv_nc_worker, batadv_nc_worker, batadv_nc_worker, batadv_nc_worker, batadv_nc_worker, batadv_bla_periodic_work, batadv_iv_send_outstanding_bat_ogm_packet, batadv_iv_send_outstanding_bat_ogm_packet, batadv_iv_send_outstanding_bat_ogm_packet, batadv_iv_send_outstanding_bat_ogm_packet, batadv_iv_send_outstanding_bat_ogm_packet, batadv_iv_send_outstanding_bat_ogm_packet, batadv_iv_send_outstanding_bat_ogm_packet, batadv_iv_send_outstanding_bat_ogm_packet, batadv_iv_send_outstanding_bat_ogm_packet, batadv_iv_send_outstanding_bat_ogm_packet, batadv_purge_orig, batadv_purge_orig, batadv_purge_orig, batadv_purge_orig, batadv_purge_orig, batadv_purge_orig, batadv_iv_send_outstanding_bat_ogm_packet, batadv_iv_send_outstanding_bat_ogm_packet, batadv_iv_send_outstanding_bat_ogm_packet, batadv_iv_send_outstanding_bat_ogm_packet, batadv_iv_send_outstanding_bat_ogm_packet, batadv_iv_send_outstanding_bat_ogm_packet, batadv_iv_send_outstanding_bat_ogm_packet , batadv_iv_send_outstanding_bat_ogm_packet, batadv_mcast_mla_update, batadv_mcast_mla_update, batadv_mcast_mla_update, batadv_mcast_mla_update, batadv_mcast_mla_update, batadv_mcast_mla_update, batadv_dat_purge, batadv_dat_purge, batadv_tt_purge, batadv_tt_purge, batadv_tt_purge, batadv_tt_purge, batadv_tt_purge, batadv_tt_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_bla_periodic_work, batadv_dat_purge, batadv_bla_periodic_work, batadv_dat_purge workqueue wg-crypt-wg0: flags=0x28 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 pending: wg_packet_encrypt_worker, wg_packet_tx_worker workqueue wg-crypt-wg1: flags=0x28 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: wg_packet_encrypt_worker workqueue phy10: flags=0xa0002 workqueue wg-crypt-wg0: flags=0x28 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 pending: wg_packet_encrypt_worker, wg_packet_tx_worker workqueue wg-crypt-wg1: flags=0x28 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 pending: wg_packet_encrypt_worker, wg_packet_tx_worker workqueue wg-crypt-wg2: flags=0x28 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 pending: wg_packet_encrypt_worker, wg_packet_tx_worker workqueue wg-kex-wg2: flags=0x6 pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=3 in-flight: 148:wg_packet_handshake_send_worker workqueue wg-crypt-wg0: flags=0x28 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 pending: wg_packet_encrypt_worker, wg_packet_tx_worker workqueue wg-crypt-wg1: flags=0x28 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 pending: wg_packet_encrypt_worker, wg_packet_tx_worker workqueue wg-crypt-wg2: flags=0x28 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 pending: wg_packet_encrypt_worker, wg_packet_tx_worker workqueue wg-crypt-wg0: flags=0x28 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 pending: wg_packet_encrypt_worker, wg_packet_tx_worker workqueue wg-crypt-wg1: flags=0x28 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 pending: wg_packet_encrypt_worker, wg_packet_tx_worker workqueue wg-crypt-wg2: flags=0x28 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 pending: wg_packet_encrypt_worker, wg_packet_tx_worker workqueue wg-crypt-wg0: flags=0x28 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 pending: wg_packet_encrypt_worker, wg_packet_tx_worker workqueue wg-crypt-wg1: flags=0x28 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 pending: wg_packet_encrypt_worker, wg_packet_tx_worker workqueue wg-crypt-wg2: flags=0x28 pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=2/256 refcnt=3 pending: wg_packet_encrypt_worker, wg_packet_tx_worker pool 0: cpus=0 node=0 flags=0x0 nice=0 hung=15s workers=12 idle: 4072 4237 4238 4236 13 4232 4069 4240 7 4233 1959 pool 1: cpus=0 node=0 flags=0x0 nice=-20 hung=15s workers=2 idle: 8 pool 4: cpus=0-1 flags=0x4 nice=0 hung=0s workers=12 idle: 9080 4131 5131 5038 456 308 9