[ 719.181740][ C0] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 0: transmit queue 2 timed out 226304 ms [ 719.182183][ C0] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 226304000 usecs ago [ 724.301739][ C0] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 0: transmit queue 2 timed out 231424 ms [ 724.302150][ C0] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 231424000 usecs ago [ 729.421739][ C0] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 0: transmit queue 2 timed out 236544 ms [ 729.422160][ C0] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 236544000 usecs ago [ 735.565738][ C0] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 0: transmit queue 2 timed out 242688 ms [ 735.566140][ C0] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 242688000 usecs ago [ 738.638753][ T44] INFO: task kworker/u16:0:12 blocked for more than 368 seconds. [ 738.639001][ T44] Not tainted 6.19.0-rc1-virtme #1 [ 738.639125][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 738.639349][ T44] task:kworker/u16:0 state:D stack:27760 pid:12 tgid:12 ppid:2 task_flags:0x4208060 flags:0x00080000 [ 738.639658][ T44] Workqueue: ipv6_addrconf addrconf_verify_work [ 738.639831][ T44] Call Trace: [ 738.639927][ T44] [ 738.639995][ T44] __schedule+0xae2/0x1720 [ 738.640135][ T44] ? io_schedule_timeout+0x130/0x130 [ 738.640264][ T44] ? __lock_release.isra.0+0x59/0x170 [ 738.640399][ T44] ? __lock_release.isra.0+0x59/0x170 [ 738.640526][ T44] schedule+0xd4/0x260 [ 738.640632][ T44] schedule_preempt_disabled+0x18/0x30 [ 738.640760][ T44] __mutex_lock+0xd76/0x1f20 [ 738.640884][ T44] ? addrconf_verify_work+0x12/0x30 [ 738.641009][ T44] ? ww_mutex_lock+0x160/0x160 [ 738.641128][ T44] ? __entry_text_end+0x62263/0x1fe479 [ 738.641253][ T44] ? process_one_work+0xd16/0x1390 [ 738.641371][ T44] ? rcu_is_watching+0x15/0xd0 [ 738.641495][ T44] ? rcu_is_watching+0x15/0xd0 [ 738.641613][ T44] ? addrconf_verify_work+0x12/0x30 [ 738.641741][ T44] addrconf_verify_work+0x12/0x30 [ 738.641855][ T44] process_one_work+0xd57/0x1390 [ 738.641978][ T44] ? pwq_dec_nr_in_flight+0x700/0x700 [ 738.642091][ T44] ? lock_acquire.part.0+0xbc/0x260 [ 738.642216][ T44] ? assign_work+0x152/0x380 [ 738.642332][ T44] worker_thread+0x4d6/0xd40 [ 738.642470][ T44] ? process_one_work+0x1390/0x1390 [ 738.642585][ T44] kthread+0x355/0x5b0 [ 738.642683][ T44] ? kthread_is_per_cpu+0xe0/0xe0 [ 738.642807][ T44] ? __lock_release.isra.0+0x59/0x170 [ 738.642920][ T44] ? rcu_is_watching+0x15/0xd0 [ 738.643042][ T44] ? kthread_is_per_cpu+0xe0/0xe0 [ 738.643157][ T44] ret_from_fork+0x3fb/0x510 [ 738.643281][ T44] ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140 [ 738.643425][ T44] ? __switch_to+0x53c/0xd00 [ 738.643547][ T44] ? kthread_is_per_cpu+0xe0/0xe0 [ 738.643665][ T44] ret_from_fork_asm+0x11/0x20 [ 738.643797][ T44] [ 738.643890][ T44] INFO: task kworker/u16:0:12 is blocked on a mutex likely owned by task ip:973. [ 738.644086][ T44] Future hung task reports are suppressed, see sysctl kernel.hung_task_warnings [ 738.644292][ T44] [ 738.644292][ T44] Showing all locks held in the system: [ 738.644458][ T44] 3 locks held by kworker/u16:0/12: [ 738.644575][ T44] #0: ff110000098a7148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390 [ 738.644811][ T44] #1: ffa00000000c7cc0 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390 [ 738.645091][ T44] #2: ffffffffb2c85768 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x12/0x30 [ 738.645287][ T44] 1 lock held by khungtaskd/44: [ 738.645404][ T44] #0: ffffffffb2571040 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire.constprop.0+0x7/0x30 [ 738.645633][ T44] 3 locks held by kworker/3:1/52: [ 738.645751][ T44] #0: ff11000001139b48 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390 [ 738.645979][ T44] #1: ffa000000038fcc0 ((work_completion)(&(&vi->refill)->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390 [ 738.646234][ T44] #2: ff1100000923ac98 (&dev->lock){+.+.}-{4:4}, at: napi_disable+0x3b/0x80 [ 738.646428][ T44] 3 locks held by kworker/2:1/66: [ 738.646542][ T44] #0: ff11000001139b48 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390 [ 738.646774][ T44] #1: ffa0000000477cc0 ((work_completion)(&pool->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390 [ 738.647003][ T44] #2: ffffffffb2c85768 (rtnl_mutex){+.+.}-{4:4}, at: xp_release_deferred+0x1b/0x1e0 [ 738.647199][ T44] 2 locks held by ip/973: [ 738.647288][ T44] #0: ffffffffb2c85768 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x6fc/0xe90 [ 738.647488][ T44] #1: ff1100000923ac98 (&dev->lock){+.+.}-{4:4}, at: napi_enable+0x3b/0x80 [ 738.647695][ T44] 1 lock held by ip/1039: [ 738.647865][ T44] #0: ffffffffb2c85768 (rtnl_mutex){+.+.}-{4:4}, at: rtnetlink_rcv_msg+0x2ab/0xb90 [ 738.648066][ T44] [ 738.648122][ T44] ============================================= [ 738.648122][ T44] [ 741.197738][ C0] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 0: transmit queue 2 timed out 248320 ms [ 741.198140][ C0] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 248320000 usecs ago [ 746.317739][ C0] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 0: transmit queue 2 timed out 253440 ms [ 746.318156][ C0] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 253440000 usecs ago [ 751.437738][ C0] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 0: transmit queue 2 timed out 258560 ms [ 751.438135][ C0] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 258560000 usecs ago [ 757.581738][ C0] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 0: transmit queue 2 timed out 264704 ms [ 757.582162][ C0] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 264704000 usecs ago [ 763.213742][ C0] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 0: transmit queue 2 timed out 270336 ms [ 763.214172][ C0] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 270336000 usecs ago [ 768.333738][ C0] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 0: transmit queue 2 timed out 275456 ms [ 768.334178][ C0] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 275456000 usecs ago [ 774.477739][ C0] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 0: transmit queue 2 timed out 281600 ms [ 774.478159][ C0] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 281600000 usecs ago [ 780.109738][ C0] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 0: transmit queue 2 timed out 287232 ms [ 780.110154][ C0] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 287232000 usecs ago [ 785.229738][ C0] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 0: transmit queue 2 timed out 292352 ms [ 785.230167][ C0] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 292352000 usecs ago [ 790.349739][ C0] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 0: transmit queue 2 timed out 297472 ms [ 790.350187][ C0] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 297472000 usecs ago [ 796.493738][ C0] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 0: transmit queue 2 timed out 303616 ms [ 796.494398][ C0] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 303616000 usecs ago [ 802.125738][ C0] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 0: transmit queue 2 timed out 309248 ms [ 802.126164][ C0] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 309248000 usecs ago [ 807.245738][ C0] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 0: transmit queue 2 timed out 314368 ms [ 807.246150][ C0] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 314368000 usecs ago [ 812.365738][ C0] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 0: transmit queue 2 timed out 319488 ms [ 812.366145][ C0] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 319488000 usecs ago [ 818.509738][ C0] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 0: transmit queue 2 timed out 325632 ms [ 818.510132][ C0] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 325632000 usecs ago [ 824.141738][ C0] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 0: transmit queue 2 timed out 331264 ms [ 824.142152][ C0] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 331264000 usecs ago [ 829.261738][ C0] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 0: transmit queue 2 timed out 336384 ms [ 829.262155][ C0] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 336384000 usecs ago [ 834.381738][ C0] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 0: transmit queue 2 timed out 341504 ms [ 834.382137][ C0] virtio_net virtio2 enp0s1: TX timeout on queue: 2, sq: output.2, vq: 0x5, name: output.2, 341504000 usecs ago