[ 560.475237][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 6144 ms [ 560.475759][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 6144000 usecs ago [ 566.107232][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 11776 ms [ 566.107558][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 11776000 usecs ago [ 571.227233][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 16896 ms [ 571.227558][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 16896000 usecs ago [ 576.347232][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 22016 ms [ 576.347555][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 22016000 usecs ago [ 582.491233][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 28160 ms [ 582.491559][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 28160000 usecs ago [ 588.123233][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 33792 ms [ 588.123552][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 33792000 usecs ago [ 593.243232][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 38912 ms [ 593.243541][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 38912000 usecs ago [ 598.363232][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 44032 ms [ 598.363546][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 44032000 usecs ago [ 604.507232][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 50176 ms [ 604.507546][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 50176000 usecs ago [ 610.139232][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 55808 ms [ 610.139549][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 55808000 usecs ago [ 615.259232][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 60928 ms [ 615.259545][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 60928000 usecs ago [ 620.379232][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 66048 ms [ 620.379545][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 66048000 usecs ago [ 626.523232][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 72192 ms [ 626.523554][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 72192000 usecs ago [ 632.155233][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 77824 ms [ 632.155546][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 77824000 usecs ago [ 637.275232][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 82944 ms [ 637.275542][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 82944000 usecs ago [ 642.395232][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 88064 ms [ 642.395561][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 88064000 usecs ago [ 648.539238][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 94208 ms [ 648.539609][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 94208000 usecs ago [ 654.171239][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 99840 ms [ 654.171628][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 99840000 usecs ago [ 659.291233][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 104960 ms [ 659.291632][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 104960000 usecs ago [ 664.411232][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 110080 ms [ 664.411617][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 110080000 usecs ago [ 670.555232][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 116224 ms [ 670.555663][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 116224000 usecs ago [ 676.187237][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 121856 ms [ 676.187691][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 121856000 usecs ago [ 681.307232][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 126976 ms [ 681.307664][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 126976000 usecs ago [ 686.427232][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 132096 ms [ 686.427644][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 132096000 usecs ago [ 692.571232][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 138240 ms [ 692.571598][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 138240000 usecs ago [ 698.203238][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 143872 ms [ 698.203683][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 143872000 usecs ago [ 703.323233][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 148992 ms [ 703.323646][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 148992000 usecs ago [ 708.443232][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 154112 ms [ 708.443639][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 154112000 usecs ago [ 714.587232][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 160256 ms [ 714.587638][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 160256000 usecs ago [ 720.219233][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 165888 ms [ 720.219667][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 165888000 usecs ago [ 725.339232][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 171008 ms [ 725.339609][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 171008000 usecs ago [ 731.483232][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 177152 ms [ 731.483662][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 177152000 usecs ago [ 737.115232][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 182784 ms [ 737.115663][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 182784000 usecs ago [ 738.651241][ T44] INFO: task kworker/u16:0:12 blocked for more than 122 seconds. [ 738.651614][ T44] Not tainted 6.19.0-rc1-virtme #1 [ 738.651749][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 738.652046][ T44] task:kworker/u16:0 state:D stack:26432 pid:12 tgid:12 ppid:2 task_flags:0x4208060 flags:0x00080000 [ 738.652399][ T44] Workqueue: ipv6_addrconf addrconf_verify_work [ 738.652565][ T44] Call Trace: [ 738.652663][ T44] [ 738.652733][ T44] __schedule+0xae2/0x1720 [ 738.652867][ T44] ? io_schedule_timeout+0x130/0x130 [ 738.652996][ T44] ? __lock_release.isra.0+0x59/0x170 [ 738.653119][ T44] ? __lock_release.isra.0+0x59/0x170 [ 738.653255][ T44] schedule+0xd4/0x260 [ 738.653351][ T44] schedule_preempt_disabled+0x18/0x30 [ 738.653478][ T44] __mutex_lock+0xd76/0x1f20 [ 738.653598][ T44] ? addrconf_verify_work+0x12/0x30 [ 738.653718][ T44] ? ww_mutex_lock+0x160/0x160 [ 738.653848][ T44] ? process_one_work+0xd16/0x1390 [ 738.653967][ T44] ? rcu_is_watching+0x15/0xd0 [ 738.654085][ T44] ? rcu_is_watching+0x15/0xd0 [ 738.654211][ T44] ? addrconf_verify_work+0x12/0x30 [ 738.654334][ T44] addrconf_verify_work+0x12/0x30 [ 738.654455][ T44] process_one_work+0xd57/0x1390 [ 738.654577][ T44] ? pwq_dec_nr_in_flight+0x700/0x700 [ 738.654701][ T44] ? lock_acquire.part.0+0xbc/0x260 [ 738.654830][ T44] ? assign_work+0x152/0x380 [ 738.654952][ T44] worker_thread+0x4d6/0xd40 [ 738.655075][ T44] ? process_one_work+0x1390/0x1390 [ 738.655540][ T44] kthread+0x355/0x5b0 [ 738.655628][ T44] ? kthread_is_per_cpu+0xe0/0xe0 [ 738.655744][ T44] ? __lock_release.isra.0+0x59/0x170 [ 738.655857][ T44] ? rcu_is_watching+0x15/0xd0 [ 738.655978][ T44] ? kthread_is_per_cpu+0xe0/0xe0 [ 738.656099][ T44] ret_from_fork+0x3fb/0x510 [ 738.656219][ T44] ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140 [ 738.656379][ T44] ? __switch_to+0x53c/0xd00 [ 738.656495][ T44] ? kthread_is_per_cpu+0xe0/0xe0 [ 738.656608][ T44] ret_from_fork_asm+0x11/0x20 [ 738.656732][ T44] [ 738.656856][ T44] INFO: task kworker/u16:0:12 is blocked on a mutex likely owned by task ip:5298. [ 738.657073][ T44] INFO: task ip:5298 blocked for more than 122 seconds. [ 738.657210][ T44] Not tainted 6.19.0-rc1-virtme #1 [ 738.657324][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 738.657509][ T44] task:ip state:D stack:25600 pid:5298 tgid:5298 ppid:5291 task_flags:0x400100 flags:0x00080000 [ 738.657761][ T44] Call Trace: [ 738.657847][ T44] [ 738.657906][ T44] __schedule+0xae2/0x1720 [ 738.658022][ T44] ? io_schedule_timeout+0x130/0x130 [ 738.658140][ T44] ? __lock_release.isra.0+0x59/0x170 [ 738.658265][ T44] ? __lock_release.isra.0+0x59/0x170 [ 738.658381][ T44] schedule+0xd4/0x260 [ 738.658468][ T44] schedule_preempt_disabled+0x18/0x30 [ 738.658585][ T44] __mutex_lock+0xd76/0x1f20 [ 738.658704][ T44] ? napi_enable+0x3b/0x80 [ 738.658825][ T44] ? ww_mutex_lock+0x160/0x160 [ 738.658944][ T44] ? dma_map_phys+0x1b1/0x220 [ 738.659068][ T44] ? __asan_memset+0x27/0x50 [ 738.659191][ T44] ? sg_init_table+0x19/0x60 [ 738.659316][ T44] ? try_fill_recv+0x3ec/0x1750 [ 738.659439][ T44] ? napi_enable+0x3b/0x80 [ 738.659564][ T44] napi_enable+0x3b/0x80 [ 738.659655][ T44] __virtnet_rx_resume+0x156/0x290 [ 738.659776][ T44] ? queue_delayed_work_on+0x91/0x100 [ 738.659898][ T44] virtnet_rx_resume_all+0xe7/0x1a0 [ 738.660021][ T44] virtnet_xdp_set+0xef7/0x1aa0 [ 738.660139][ T44] ? virtnet_xdp_set+0x1aa0/0x1aa0 [ 738.660270][ T44] dev_xdp_install+0x4ba/0x890 [ 738.660389][ T44] ? netif_set_xps_queue+0x40/0x40 [ 738.660507][ T44] dev_xdp_attach+0x50d/0x1310 [ 738.660623][ T44] ? bpf_xdp_link_update+0x6e0/0x6e0 [ 738.660737][ T44] ? mutex_is_locked+0x1c/0x50 [ 738.660854][ T44] ? rtnl_is_locked+0x15/0x20 [ 738.660971][ T44] do_setlink.isra.0+0x1c2d/0x2880 [ 738.661086][ T44] ? rtnl_newlink_create+0x900/0x900 [ 738.661211][ T44] ? rcu_lockdep_current_cpu_online+0x39/0x1b0 [ 738.661360][ T44] ? rcu_read_lock_any_held+0x3c/0x90 [ 738.661476][ T44] ? validate_chain+0x37b/0xb70 [ 738.661589][ T44] ? rcu_read_lock_any_held+0x66/0x90 [ 738.661706][ T44] ? stack_depot_save_flags+0x3f1/0x6f0 [ 738.661826][ T44] ? __lock_acquire+0x577/0xc10 [ 738.661942][ T44] ? lock_acquire.part.0+0xbc/0x260 [ 738.662059][ T44] ? rtnl_newlink+0x6fc/0xe90 [ 738.662179][ T44] ? lock_acquire+0x10a/0x150 [ 738.662303][ T44] ? rcu_is_watching+0x15/0xd0 [ 738.662427][ T44] ? rcu_is_watching+0x15/0xd0 [ 738.662546][ T44] ? trace_contention_end+0xd6/0x110 [ 738.662661][ T44] ? __mutex_lock+0x285/0x1f20 [ 738.662781][ T44] ? rtnl_newlink+0x6fc/0xe90 [ 738.662906][ T44] ? ww_mutex_lock+0x160/0x160 [ 738.663019][ T44] ? nla_get_range_signed+0x3d0/0x3d0 [ 738.663136][ T44] ? __rtnl_newlink+0x3fa/0xa40 [ 738.663268][ T44] rtnl_newlink+0x75c/0xe90 [ 738.663385][ T44] ? __lock_release.isra.0+0x59/0x170 [ 738.663498][ T44] ? rtnl_setlink+0x880/0x880 [ 738.663612][ T44] ? __lock_acquire+0x577/0xc10 [ 738.663727][ T44] ? lock_acquire.part.0+0xbc/0x260 [ 738.663843][ T44] ? find_held_lock+0x2b/0x80 [ 738.663957][ T44] ? rtnl_setlink+0x880/0x880 [ 738.664071][ T44] ? __lock_release.isra.0+0x59/0x170 [ 738.664187][ T44] ? rtnl_setlink+0x880/0x880 [ 738.664312][ T44] rtnetlink_rcv_msg+0x6fe/0xb90 [ 738.664428][ T44] ? rtnl_fdb_dump+0x620/0x620 [ 738.664541][ T44] ? __lock_acquire+0x577/0xc10 [ 738.664658][ T44] ? lock_acquire.part.0+0xbc/0x260 [ 738.664776][ T44] ? find_held_lock+0x2b/0x80 [ 738.664892][ T44] netlink_rcv_skb+0x123/0x380 [ 738.665011][ T44] ? rtnl_fdb_dump+0x620/0x620 [ 738.665126][ T44] ? netlink_ack+0xcc0/0xcc0 [ 738.665258][ T44] ? netlink_deliver_tap+0xc5/0x330 [ 738.665372][ T44] ? netlink_deliver_tap+0x13f/0x330 [ 738.665489][ T44] netlink_unicast+0x4a3/0x770 [ 738.665609][ T44] ? netlink_attachskb+0x810/0x810 [ 738.665729][ T44] ? lock_acquire.part.0+0xbc/0x260 [ 738.665845][ T44] ? __lock_acquire+0x577/0xc10 [ 738.665959][ T44] netlink_sendmsg+0x735/0xc60 [ 738.666080][ T44] ? netlink_unicast+0x770/0x770 [ 738.666203][ T44] ____sys_sendmsg+0x419/0x850 [ 738.666324][ T44] ? copy_msghdr_from_user+0x270/0x430 [ 738.666443][ T44] ? get_timestamp.constprop.0+0x3a0/0x3a0 [ 738.666591][ T44] ? move_addr_to_kernel+0x40/0x40 [ 738.666708][ T44] ? stack_depot_save_flags+0x3f1/0x6f0 [ 738.666822][ T44] ? rcu_read_lock_any_held+0x3c/0x90 [ 738.666937][ T44] ___sys_sendmsg+0xfd/0x180 [ 738.667052][ T44] ? __call_rcu_common.constprop.0+0xa6/0xa00 [ 738.667200][ T44] ? copy_msghdr_from_user+0x430/0x430 [ 738.667336][ T44] __sys_sendmsg+0x124/0x1c0 [ 738.667455][ T44] ? __sys_sendmsg_sock+0x20/0x20 [ 738.667570][ T44] ? lockdep_hardirqs_on+0x84/0x130 [ 738.667684][ T44] ? __call_rcu_common.constprop.0+0x3bd/0xa00 [ 738.667829][ T44] ? do_raw_spin_unlock+0x59/0x250 [ 738.667944][ T44] ? rcu_is_watching+0x15/0xd0 [ 738.668060][ T44] do_syscall_64+0xbd/0xfc0 [ 738.668184][ T44] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 738.668337][ T44] RIP: 0033:0x7f0dea8f2c5e [ 738.668464][ T44] RSP: 002b:00007fff8f6ca0c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 738.668643][ T44] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f0dea8f2c5e [ 738.668819][ T44] RDX: 0000000000000000 RSI: 00007fff8f6ca180 RDI: 0000000000000003 [ 738.668998][ T44] RBP: 00007fff8f6ca0d0 R08: 0000000000000000 R09: 0000000000000000 [ 738.669178][ T44] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff8f6ca840 [ 738.669360][ T44] R13: 00000000694b32f7 R14: 0000000000000000 R15: 0000000000499600 [ 738.669543][ T44] [ 738.669634][ T44] INFO: task ip:5298 is blocked on a mutex likely owned by task kworker/2:1:51. [ 738.669830][ T44] task:kworker/2:1 state:D stack:27144 pid:51 tgid:51 ppid:2 task_flags:0x4208060 flags:0x00080000 [ 738.670083][ T44] Workqueue: events refill_work [ 738.670204][ T44] Call Trace: [ 738.670295][ T44] [ 738.670356][ T44] __schedule+0xae2/0x1720 [ 738.670475][ T44] ? usleep_range_state+0xba/0x1b0 [ 738.670590][ T44] ? io_schedule_timeout+0x130/0x130 [ 738.670710][ T44] ? __lock_release.isra.0+0x59/0x170 [ 738.670825][ T44] ? usleep_range_state+0xba/0x1b0 [ 738.670938][ T44] schedule+0xd4/0x260 [ 738.671026][ T44] schedule_hrtimeout_range_clock+0x1da/0x2f0 [ 738.671169][ T44] ? schedule_timeout_idle+0xe0/0xe0 [ 738.671297][ T44] ? __hrtimer_cb_get_time+0x50/0x50 [ 738.671418][ T44] ? lockdep_hardirqs_on+0x84/0x130 [ 738.671533][ T44] ? ktime_get+0x15e/0x220 [ 738.671649][ T44] ? kvm_clock_get_cycles+0x18/0x30 [ 738.671770][ T44] ? ktime_get+0xa9/0x220 [ 738.671857][ T44] ? irqentry_exit+0xf9/0x4d0 [ 738.671981][ T44] usleep_range_state+0x133/0x1b0 [ 738.672097][ T44] ? schedule_hrtimeout+0x20/0x20 [ 738.672216][ T44] ? __free_object+0x2ad/0x4b0 [ 738.672345][ T44] napi_disable_locked+0x379/0x5f0 [ 738.672460][ T44] ? _mutex_trylock_nest_lock+0x340/0x340 [ 738.672579][ T44] ? register_netdevice_notifier_net+0x40/0x40 [ 738.672723][ T44] napi_disable+0x43/0x80 [ 738.672812][ T44] refill_work+0x116/0x210 [ 738.672932][ T44] process_one_work+0xd57/0x1390 [ 738.673055][ T44] ? pwq_dec_nr_in_flight+0x700/0x700 [ 738.673177][ T44] ? lock_acquire.part.0+0xbc/0x260 [ 738.673302][ T44] ? assign_work+0x152/0x380 [ 738.673421][ T44] worker_thread+0x4d6/0xd40 [ 738.673544][ T44] ? process_one_work+0x1390/0x1390 [ 738.673662][ T44] kthread+0x355/0x5b0 [ 738.673748][ T44] ? kthread_is_per_cpu+0xe0/0xe0 [ 738.673863][ T44] ? __lock_release.isra.0+0x59/0x170 [ 738.673982][ T44] ? rcu_is_watching+0x15/0xd0 [ 738.674099][ T44] ? kthread_is_per_cpu+0xe0/0xe0 [ 738.674222][ T44] ret_from_fork+0x3fb/0x510 [ 738.674344][ T44] ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140 [ 738.674494][ T44] ? __switch_to+0x53c/0xd00 [ 738.674607][ T44] ? kthread_is_per_cpu+0xe0/0xe0 [ 738.674727][ T44] ret_from_fork_asm+0x11/0x20 [ 738.674854][ T44] [ 738.674958][ T44] [ 738.674958][ T44] Showing all locks held in the system: [ 738.675128][ T44] 3 locks held by kworker/u16:0/12: [ 738.675333][ T44] #0: ff11000009167148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390 [ 738.675561][ T44] #1: ffa00000000c7cc0 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390 [ 738.675842][ T44] #2: ffffffffb8e85768 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x12/0x30 [ 738.676045][ T44] 1 lock held by khungtaskd/44: [ 738.676156][ T44] #0: ffffffffb8771040 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire.constprop.0+0x7/0x30 [ 738.676391][ T44] 4 locks held by kworker/2:1/51: [ 738.676502][ T44] #0: ff11000001139b48 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390 [ 738.676731][ T44] #1: ffa000000037fcc0 ((work_completion)(&(&vi->refill)->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390 [ 738.676984][ T44] #2: ff11000008a72c98 (&dev->lock){+.+.}-{4:4}, at: napi_disable+0x3b/0x80 [ 738.677182][ T44] #3: ff110000024b28c0 (&irq_desc_lock_class){-.-.}-{2:2}, at: handle_fasteoi_irq+0x50/0xa50 [ 738.677425][ T44] 2 locks held by ip/5298: [ 738.677540][ T44] #0: ffffffffb8e85768 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x6fc/0xe90 [ 738.677736][ T44] #1: ff11000008a72c98 (&dev->lock){+.+.}-{4:4}, at: napi_enable+0x3b/0x80 [ 738.677934][ T44] [ 738.677996][ T44] ============================================= [ 738.677996][ T44] [ 742.235232][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 187904 ms [ 742.235665][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 187904000 usecs ago [ 747.355232][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 193024 ms [ 747.355648][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 193024000 usecs ago [ 753.499232][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 199168 ms [ 753.499638][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 199168000 usecs ago [ 759.131232][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 204800 ms [ 759.131649][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 204800000 usecs ago [ 764.251232][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 209920 ms [ 764.251635][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 209920000 usecs ago [ 769.371232][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 215040 ms [ 769.371644][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 215040000 usecs ago [ 775.515232][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 221184 ms [ 775.515646][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 221184000 usecs ago [ 781.147232][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 226816 ms [ 781.147635][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 226816000 usecs ago [ 786.267233][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 231936 ms [ 786.267655][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 231936000 usecs ago [ 791.387232][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 237056 ms [ 791.387645][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 237056000 usecs ago [ 797.531232][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 243200 ms [ 797.531649][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 243200000 usecs ago [ 803.163234][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 248831 ms [ 803.163627][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 248832000 usecs ago [ 808.283234][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 253951 ms [ 808.283665][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 253952000 usecs ago [ 813.403232][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 259072 ms [ 813.403669][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 259072000 usecs ago [ 819.547232][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 265216 ms [ 819.547627][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 265216000 usecs ago [ 825.179232][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 270848 ms [ 825.179639][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 270848000 usecs ago [ 830.299232][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 275968 ms [ 830.299615][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 275968000 usecs ago [ 835.419232][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 281088 ms [ 835.419630][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 281088000 usecs ago [ 841.563232][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 287232 ms [ 841.563587][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 287232000 usecs ago [ 847.195232][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 292864 ms [ 847.195574][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 292864000 usecs ago [ 852.315232][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 297984 ms [ 852.315601][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 297984000 usecs ago [ 857.435232][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 303104 ms [ 857.435640][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 303104000 usecs ago [ 861.531242][ T44] INFO: task kworker/u16:0:12 blocked for more than 245 seconds. [ 861.531499][ T44] Not tainted 6.19.0-rc1-virtme #1 [ 861.531626][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 861.531848][ T44] task:kworker/u16:0 state:D stack:26432 pid:12 tgid:12 ppid:2 task_flags:0x4208060 flags:0x00080000 [ 861.532155][ T44] Workqueue: ipv6_addrconf addrconf_verify_work [ 861.532351][ T44] Call Trace: [ 861.532454][ T44] [ 861.532521][ T44] __schedule+0xae2/0x1720 [ 861.532645][ T44] ? io_schedule_timeout+0x130/0x130 [ 861.532770][ T44] ? __lock_release.isra.0+0x59/0x170 [ 861.532889][ T44] ? __lock_release.isra.0+0x59/0x170 [ 861.533012][ T44] schedule+0xd4/0x260 [ 861.533111][ T44] schedule_preempt_disabled+0x18/0x30 [ 861.533238][ T44] __mutex_lock+0xd76/0x1f20 [ 861.533362][ T44] ? addrconf_verify_work+0x12/0x30 [ 861.533489][ T44] ? ww_mutex_lock+0x160/0x160 [ 861.533615][ T44] ? process_one_work+0xd16/0x1390 [ 861.533731][ T44] ? rcu_is_watching+0x15/0xd0 [ 861.533847][ T44] ? rcu_is_watching+0x15/0xd0 [ 861.533966][ T44] ? addrconf_verify_work+0x12/0x30 [ 861.534080][ T44] addrconf_verify_work+0x12/0x30 [ 861.534194][ T44] process_one_work+0xd57/0x1390 [ 861.534323][ T44] ? pwq_dec_nr_in_flight+0x700/0x700 [ 861.534439][ T44] ? lock_acquire.part.0+0xbc/0x260 [ 861.534556][ T44] ? assign_work+0x152/0x380 [ 861.534683][ T44] worker_thread+0x4d6/0xd40 [ 861.534806][ T44] ? process_one_work+0x1390/0x1390 [ 861.534921][ T44] kthread+0x355/0x5b0 [ 861.535009][ T44] ? kthread_is_per_cpu+0xe0/0xe0 [ 861.535124][ T44] ? __lock_release.isra.0+0x59/0x170 [ 861.535245][ T44] ? rcu_is_watching+0x15/0xd0 [ 861.535364][ T44] ? kthread_is_per_cpu+0xe0/0xe0 [ 861.535478][ T44] ret_from_fork+0x3fb/0x510 [ 861.535593][ T44] ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140 [ 861.535741][ T44] ? __switch_to+0x53c/0xd00 [ 861.535856][ T44] ? kthread_is_per_cpu+0xe0/0xe0 [ 861.535973][ T44] ret_from_fork_asm+0x11/0x20 [ 861.536094][ T44] [ 861.536191][ T44] INFO: task kworker/u16:0:12 is blocked on a mutex likely owned by task ip:5298. [ 861.536406][ T44] INFO: task ip:5298 blocked for more than 245 seconds. [ 861.536541][ T44] Not tainted 6.19.0-rc1-virtme #1 [ 861.536650][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 861.536840][ T44] task:ip state:D stack:25600 pid:5298 tgid:5298 ppid:5291 task_flags:0x400100 flags:0x00080000 [ 861.537092][ T44] Call Trace: [ 861.537178][ T44] [ 861.537242][ T44] __schedule+0xae2/0x1720 [ 861.537369][ T44] ? io_schedule_timeout+0x130/0x130 [ 861.537491][ T44] ? __lock_release.isra.0+0x59/0x170 [ 861.537605][ T44] ? __lock_release.isra.0+0x59/0x170 [ 861.537723][ T44] schedule+0xd4/0x260 [ 861.537811][ T44] schedule_preempt_disabled+0x18/0x30 [ 861.537928][ T44] __mutex_lock+0xd76/0x1f20 [ 861.538048][ T44] ? napi_enable+0x3b/0x80 [ 861.538170][ T44] ? ww_mutex_lock+0x160/0x160 [ 861.538293][ T44] ? dma_map_phys+0x1b1/0x220 [ 861.538409][ T44] ? __asan_memset+0x27/0x50 [ 861.538526][ T44] ? sg_init_table+0x19/0x60 [ 861.538643][ T44] ? try_fill_recv+0x3ec/0x1750 [ 861.538761][ T44] ? napi_enable+0x3b/0x80 [ 861.538877][ T44] napi_enable+0x3b/0x80 [ 861.538965][ T44] __virtnet_rx_resume+0x156/0x290 [ 861.539084][ T44] ? queue_delayed_work_on+0x91/0x100 [ 861.539200][ T44] virtnet_rx_resume_all+0xe7/0x1a0 [ 861.539322][ T44] virtnet_xdp_set+0xef7/0x1aa0 [ 861.539440][ T44] ? virtnet_xdp_set+0x1aa0/0x1aa0 [ 861.539554][ T44] dev_xdp_install+0x4ba/0x890 [ 861.539671][ T44] ? netif_set_xps_queue+0x40/0x40 [ 861.539791][ T44] dev_xdp_attach+0x50d/0x1310 [ 861.539911][ T44] ? bpf_xdp_link_update+0x6e0/0x6e0 [ 861.540027][ T44] ? mutex_is_locked+0x1c/0x50 [ 861.540143][ T44] ? rtnl_is_locked+0x15/0x20 [ 861.540269][ T44] do_setlink.isra.0+0x1c2d/0x2880 [ 861.540389][ T44] ? rtnl_newlink_create+0x900/0x900 [ 861.540505][ T44] ? rcu_lockdep_current_cpu_online+0x39/0x1b0 [ 861.540651][ T44] ? rcu_read_lock_any_held+0x3c/0x90 [ 861.540769][ T44] ? validate_chain+0x37b/0xb70 [ 861.540885][ T44] ? rcu_read_lock_any_held+0x66/0x90 [ 861.541002][ T44] ? stack_depot_save_flags+0x3f1/0x6f0 [ 861.541117][ T44] ? __lock_acquire+0x577/0xc10 [ 861.541237][ T44] ? lock_acquire.part.0+0xbc/0x260 [ 861.541360][ T44] ? rtnl_newlink+0x6fc/0xe90 [ 861.541475][ T44] ? lock_acquire+0x10a/0x150 [ 861.541592][ T44] ? rcu_is_watching+0x15/0xd0 [ 861.541708][ T44] ? rcu_is_watching+0x15/0xd0 [ 861.541822][ T44] ? trace_contention_end+0xd6/0x110 [ 861.541938][ T44] ? __mutex_lock+0x285/0x1f20 [ 861.542054][ T44] ? rtnl_newlink+0x6fc/0xe90 [ 861.542169][ T44] ? ww_mutex_lock+0x160/0x160 [ 861.542290][ T44] ? nla_get_range_signed+0x3d0/0x3d0 [ 861.542409][ T44] ? __rtnl_newlink+0x3fa/0xa40 [ 861.542530][ T44] rtnl_newlink+0x75c/0xe90 [ 861.542647][ T44] ? __lock_release.isra.0+0x59/0x170 [ 861.542763][ T44] ? rtnl_setlink+0x880/0x880 [ 861.542878][ T44] ? __lock_acquire+0x577/0xc10 [ 861.542998][ T44] ? lock_acquire.part.0+0xbc/0x260 [ 861.543112][ T44] ? find_held_lock+0x2b/0x80 [ 861.543235][ T44] ? rtnl_setlink+0x880/0x880 [ 861.543353][ T44] ? __lock_release.isra.0+0x59/0x170 [ 861.543471][ T44] ? rtnl_setlink+0x880/0x880 [ 861.543586][ T44] rtnetlink_rcv_msg+0x6fe/0xb90 [ 861.543708][ T44] ? rtnl_fdb_dump+0x620/0x620 [ 861.543835][ T44] ? __lock_acquire+0x577/0xc10 [ 861.543962][ T44] ? lock_acquire.part.0+0xbc/0x260 [ 861.544076][ T44] ? find_held_lock+0x2b/0x80 [ 861.544192][ T44] netlink_rcv_skb+0x123/0x380 [ 861.544329][ T44] ? rtnl_fdb_dump+0x620/0x620 [ 861.544446][ T44] ? netlink_ack+0xcc0/0xcc0 [ 861.544564][ T44] ? netlink_deliver_tap+0xc5/0x330 [ 861.544683][ T44] ? netlink_deliver_tap+0x13f/0x330 [ 861.544799][ T44] netlink_unicast+0x4a3/0x770 [ 861.544916][ T44] ? netlink_attachskb+0x810/0x810 [ 861.545031][ T44] ? lock_acquire.part.0+0xbc/0x260 [ 861.545150][ T44] ? __lock_acquire+0x577/0xc10 [ 861.545270][ T44] netlink_sendmsg+0x735/0xc60 [ 861.545390][ T44] ? netlink_unicast+0x770/0x770 [ 861.545510][ T44] ____sys_sendmsg+0x419/0x850 [ 861.545626][ T44] ? copy_msghdr_from_user+0x270/0x430 [ 861.545743][ T44] ? get_timestamp.constprop.0+0x3a0/0x3a0 [ 861.545886][ T44] ? move_addr_to_kernel+0x40/0x40 [ 861.546002][ T44] ? stack_depot_save_flags+0x3f1/0x6f0 [ 861.546120][ T44] ? rcu_read_lock_any_held+0x3c/0x90 [ 861.546241][ T44] ___sys_sendmsg+0xfd/0x180 [ 861.546360][ T44] ? __call_rcu_common.constprop.0+0xa6/0xa00 [ 861.546504][ T44] ? copy_msghdr_from_user+0x430/0x430 [ 861.546632][ T44] __sys_sendmsg+0x124/0x1c0 [ 861.546748][ T44] ? __sys_sendmsg_sock+0x20/0x20 [ 861.546862][ T44] ? lockdep_hardirqs_on+0x84/0x130 [ 861.546984][ T44] ? __call_rcu_common.constprop.0+0x3bd/0xa00 [ 861.547133][ T44] ? do_raw_spin_unlock+0x59/0x250 [ 861.547255][ T44] ? rcu_is_watching+0x15/0xd0 [ 861.547377][ T44] do_syscall_64+0xbd/0xfc0 [ 861.547492][ T44] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 861.547636][ T44] RIP: 0033:0x7f0dea8f2c5e [ 861.547760][ T44] RSP: 002b:00007fff8f6ca0c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 861.547938][ T44] RAX: ffffffffffffffda RBX: 0000000000000004 RCX: 00007f0dea8f2c5e [ 861.548110][ T44] RDX: 0000000000000000 RSI: 00007fff8f6ca180 RDI: 0000000000000003 [ 861.548294][ T44] RBP: 00007fff8f6ca0d0 R08: 0000000000000000 R09: 0000000000000000 [ 861.548466][ T44] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff8f6ca840 [ 861.548639][ T44] R13: 00000000694b32f7 R14: 0000000000000000 R15: 0000000000499600 [ 861.548821][ T44] [ 861.548912][ T44] INFO: task ip:5298 is blocked on a mutex likely owned by task kworker/2:1:51. [ 861.549101][ T44] task:kworker/2:1 state:D stack:27144 pid:51 tgid:51 ppid:2 task_flags:0x4208060 flags:0x00080000 [ 861.549362][ T44] Workqueue: events refill_work [ 861.549477][ T44] Call Trace: [ 861.549564][ T44] [ 861.549622][ T44] ? __free_object+0x2ad/0x4b0 [ 861.549739][ T44] __schedule+0xae2/0x1720 [ 861.549855][ T44] ? usleep_range_state+0xba/0x1b0 [ 861.549971][ T44] ? io_schedule_timeout+0x130/0x130 [ 861.550085][ T44] ? __lock_release.isra.0+0x59/0x170 [ 861.550204][ T44] ? usleep_range_state+0xba/0x1b0 [ 861.550328][ T44] ? schedule_hrtimeout_range_clock+0x186/0x2f0 [ 861.550476][ T44] ? schedule_timeout_idle+0xe0/0xe0 [ 861.550592][ T44] ? __hrtimer_cb_get_time+0x50/0x50 [ 861.550706][ T44] ? lockdep_hardirqs_on+0x84/0x130 [ 861.550820][ T44] ? ktime_get+0x15e/0x220 [ 861.550933][ T44] ? kvm_clock_get_cycles+0x18/0x30 [ 861.551052][ T44] ? ktime_get+0xa9/0x220 [ 861.551139][ T44] ? irqentry_exit+0xf9/0x4d0 [ 861.551258][ T44] ? usleep_range_state+0x133/0x1b0 [ 861.551376][ T44] ? schedule_hrtimeout+0x20/0x20 [ 861.551495][ T44] ? __free_object+0x2ad/0x4b0 [ 861.551609][ T44] ? napi_disable_locked+0x379/0x5f0 [ 861.551722][ T44] ? _mutex_trylock_nest_lock+0x340/0x340 [ 861.551839][ T44] ? register_netdevice_notifier_net+0x40/0x40 [ 861.551984][ T44] ? napi_disable+0x43/0x80 [ 861.552097][ T44] ? refill_work+0x116/0x210 [ 861.552214][ T44] ? process_one_work+0xd57/0x1390 [ 861.552347][ T44] ? pwq_dec_nr_in_flight+0x700/0x700 [ 861.552471][ T44] ? lock_acquire.part.0+0xbc/0x260 [ 861.552588][ T44] ? assign_work+0x152/0x380 [ 861.552707][ T44] ? worker_thread+0x4d6/0xd40 [ 861.552824][ T44] ? process_one_work+0x1390/0x1390 [ 861.552938][ T44] ? kthread+0x355/0x5b0 [ 861.553025][ T44] ? kthread_is_per_cpu+0xe0/0xe0 [ 861.553139][ T44] ? __lock_release.isra.0+0x59/0x170 [ 861.553259][ T44] ? rcu_is_watching+0x15/0xd0 [ 861.553376][ T44] ? kthread_is_per_cpu+0xe0/0xe0 [ 861.553493][ T44] ? ret_from_fork+0x3fb/0x510 [ 861.553608][ T44] ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140 [ 861.553751][ T44] ? __switch_to+0x53c/0xd00 [ 861.553865][ T44] ? kthread_is_per_cpu+0xe0/0xe0 [ 861.553981][ T44] ? ret_from_fork_asm+0x11/0x20 [ 861.554100][ T44] [ 861.554197][ T44] [ 861.554197][ T44] Showing all locks held in the system: [ 861.554464][ T44] 3 locks held by kworker/u16:0/12: [ 861.554578][ T44] #0: ff11000009167148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390 [ 861.554800][ T44] #1: ffa00000000c7cc0 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390 [ 861.555076][ T44] #2: ffffffffb8e85768 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x12/0x30 [ 861.555282][ T44] 1 lock held by khungtaskd/44: [ 861.555392][ T44] #0: ffffffffb8771040 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire.constprop.0+0x7/0x30 [ 861.555613][ T44] 3 locks held by kworker/2:1/51: [ 861.555729][ T44] 2 locks held by ip/5298: [ 861.555838][ T44] #0: ffffffffb8e85768 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x6fc/0xe90 [ 861.556033][ T44] #1: ff11000008a72c98 (&dev->lock){+.+.}-{4:4}, at: napi_enable+0x3b/0x80 [ 861.556233][ T44] [ 861.556291][ T44] ============================================= [ 861.556291][ T44] [ 863.579233][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 1 timed out 309248 ms [ 863.579602][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 1, sq: output.1, vq: 0x3, name: output.1, 309248000 usecs ago