RBP: 00007f324639bf80 R08: 00007f3246fad6c0 R09: 00007f3246fad6c0 R10: 0000000000000000 R11: 0000000000000246 R12: 00007f324639bf8c R13: 000000000000000b R14: 00007ffc8d32e100 R15: 00007ffc8d32e1e8 BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=0 stuck for 240s! BUG: workqueue lockup - pool cpus=1 node=0 flags=0x0 nice=-20 stuck for 238s! Showing busy workqueues and worker pools: workqueue events: flags=0x0 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: kfree_rcu_monitor pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=4/256 refcnt=5 in-flight: 8:linkwatch_event pending: vmstat_shepherd, psi_avgs_work, kfree_rcu_monitor workqueue events_unbound: flags=0x2 pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/512 refcnt=3 pending: flush_memcg_stats_dwork, crng_reseed pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/512 refcnt=2 pending: toggle_allocation_gate workqueue events_power_efficient: flags=0x80 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=5/256 refcnt=6 pending: 2*neigh_managed_work, 2*neigh_periodic_work, gc_worker pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=3/256 refcnt=4 pending: wg_ratelimiter_gc_entries, reg_check_chans_work, check_lifetime 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=2 pending: wb_workfn workqueue kblockd: flags=0x18 pwq 3: cpus=1 node=0 flags=0x0 nice=-20 active=1/256 refcnt=2 pending: blk_mq_timeout_work workqueue dm_bufio_cache: flags=0x8 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: work_fn workqueue mld: flags=0x40008 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=77 pending: mld_ifc_work inactive: mld_dad_work, 2*mld_ifc_work, 4*mld_dad_work, 9*mld_ifc_work, mld_dad_work, 8*mld_ifc_work, mld_dad_work, 2*mld_ifc_work, mld_dad_work, 17*mld_ifc_work, 2*mld_dad_work, 3*mld_ifc_work, mld_dad_work, 23*mld_ifc_work pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=54 pending: mld_ifc_work inactive: 4*mld_ifc_work, mld_dad_work, 2*mld_ifc_work, mld_dad_work, mld_ifc_work, mld_dad_work, 6*mld_ifc_work, 2*mld_dad_work, 5*mld_ifc_work, 2*mld_dad_work, 15*mld_ifc_work, mld_dad_work, 9*mld_ifc_work, mld_dad_work, mld_ifc_work workqueue ipv6_addrconf: flags=0x40008 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/1 refcnt=163 in-flight: 25:addrconf_dad_work inactive: 158*addrconf_dad_work, 3*addrconf_verify_work pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/1 refcnt=132 in-flight: 388:addrconf_dad_work inactive: 126*addrconf_dad_work, 4*addrconf_verify_work workqueue wg-kex-wg0: flags=0x6 pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=2 pending: wg_packet_handshake_send_worker workqueue wg-crypt-wg0: flags=0x28 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: wg_packet_encrypt_worker pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: wg_packet_encrypt_worker workqueue wg-crypt-wg1: flags=0x28 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: wg_packet_encrypt_worker pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: wg_packet_encrypt_worker workqueue wg-crypt-wg0: flags=0x28 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: wg_packet_encrypt_worker pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: wg_packet_encrypt_worker workqueue wg-crypt-wg1: flags=0x28 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: wg_packet_encrypt_worker pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: wg_packet_encrypt_worker workqueue wg-kex-wg2: flags=0x6 pwq 4: cpus=0-1 flags=0x4 nice=0 active=1/256 refcnt=2 pending: wg_packet_handshake_send_worker workqueue wg-crypt-wg2: flags=0x28 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: wg_packet_encrypt_worker pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: wg_packet_encrypt_worker workqueue wg-crypt-wg2: flags=0x28 pwq 2: cpus=1 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: wg_packet_encrypt_worker pwq 0: cpus=0 node=0 flags=0x0 nice=0 active=1/256 refcnt=2 pending: wg_packet_encrypt_worker workqueue wg-kex-wg0: flags=0x6 pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/256 refcnt=3 pending: 2*wg_packet_handshake_send_worker workqueue wg-kex-wg0: flags=0x6 pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/256 refcnt=3 pending: 2*wg_packet_handshake_send_worker workqueue wg-kex-wg1: flags=0x6 pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/256 refcnt=3 pending: 2*wg_packet_handshake_send_worker workqueue wg-kex-wg2: flags=0x6 pwq 4: cpus=0-1 flags=0x4 nice=0 active=2/256 refcnt=3 pending: 2*wg_packet_handshake_send_worker pool 0: cpus=0 node=0 flags=0x0 nice=0 hung=240s workers=5 idle: 302 7 300 pool 2: cpus=1 node=0 flags=0x0 nice=0 hung=241s workers=4 idle: 301 299 37 Showing backtraces of running workers in stalled CPU-bound worker pools: