[ 43.085818][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 5376 ms [ 43.086347][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 5376000 usecs ago [ 48.461814][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 10752 ms [ 48.462233][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 10752000 usecs ago [ 54.093813][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 16384 ms [ 54.094208][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 16384000 usecs ago [ 59.213813][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 21504 ms [ 59.214223][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 21504000 usecs ago [ 64.333813][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 26624 ms [ 64.334205][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 26624000 usecs ago [ 70.477813][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 32768 ms [ 70.478208][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 32768000 usecs ago [ 76.110814][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 38401 ms [ 76.111234][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 38401000 usecs ago [ 81.229813][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 43520 ms [ 81.230275][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 43520000 usecs ago [ 86.349813][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 48640 ms [ 86.350210][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 48640000 usecs ago [ 92.493813][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 54784 ms [ 92.494204][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 54784000 usecs ago [ 98.125821][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 60416 ms [ 98.126223][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 60416000 usecs ago [ 103.245820][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 65536 ms [ 103.246217][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 65536000 usecs ago [ 108.365818][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 70656 ms [ 108.366199][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 70656000 usecs ago [ 114.509814][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 76800 ms [ 114.510216][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 76800000 usecs ago [ 120.141814][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 82432 ms [ 120.142234][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 82432000 usecs ago [ 125.261813][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 87552 ms [ 125.262203][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 87552000 usecs ago [ 130.381813][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 92672 ms [ 130.382205][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 92672000 usecs ago [ 136.525813][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 98816 ms [ 136.526215][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 98816000 usecs ago [ 142.157814][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 104448 ms [ 142.158264][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 104448000 usecs ago [ 147.277814][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 109568 ms [ 147.278252][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 109568000 usecs ago [ 152.397814][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 114688 ms [ 152.398255][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 114688000 usecs ago [ 158.541813][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 120832 ms [ 158.542244][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 120832000 usecs ago [ 164.173813][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 126464 ms [ 164.174249][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 126464000 usecs ago [ 169.293813][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 131584 ms [ 169.294255][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 131584000 usecs ago [ 174.413813][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 136704 ms [ 174.414241][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 136704000 usecs ago [ 180.557814][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 142848 ms [ 180.558255][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 142848000 usecs ago [ 186.189813][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 148480 ms [ 186.190248][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 148480000 usecs ago [ 191.309814][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 153600 ms [ 191.310246][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 153600000 usecs ago [ 196.429813][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 158720 ms [ 196.430251][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 158720000 usecs ago [ 202.573813][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 164864 ms [ 202.574254][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 164864000 usecs ago [ 208.205814][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 170496 ms [ 208.206260][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 170496000 usecs ago [ 213.325813][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 175616 ms [ 213.326230][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 175616000 usecs ago [ 219.469813][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 181760 ms [ 219.470244][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 181760000 usecs ago [ 225.101814][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 187392 ms [ 225.102250][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 187392000 usecs ago [ 230.221813][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 192512 ms [ 230.222243][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 192512000 usecs ago [ 235.341813][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 197632 ms [ 235.342253][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 197632000 usecs ago [ 241.485818][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 203776 ms [ 241.486256][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 203776000 usecs ago [ 247.117817][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 209408 ms [ 247.118246][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 209408000 usecs ago [ 247.118707][ T44] INFO: task ip:256 blocked for more than 122 seconds. [ 247.119011][ T44] Not tainted 6.19.0-rc3-virtme #1 [ 247.119182][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 247.119438][ T44] task:ip state:D stack:24544 pid:256 tgid:256 ppid:251 task_flags:0x400100 flags:0x00080000 [ 247.119821][ T44] Call Trace: [ 247.119964][ T44] [ 247.120075][ T44] __schedule+0xae2/0x1720 [ 247.120252][ T44] ? io_schedule_timeout+0x130/0x130 [ 247.120424][ T44] ? __lock_release.isra.0+0x59/0x170 [ 247.120601][ T44] ? __lock_release.isra.0+0x59/0x170 [ 247.120770][ T44] schedule+0xd4/0x260 [ 247.120931][ T44] schedule_preempt_disabled+0x18/0x30 [ 247.121097][ T44] __mutex_lock+0xd76/0x1f20 [ 247.121264][ T44] ? __folio_put+0x1f5/0x320 [ 247.121431][ T44] ? napi_enable+0x3b/0x80 [ 247.121605][ T44] ? ww_mutex_lock+0x160/0x160 [ 247.121771][ T44] ? dma_map_phys+0x1b1/0x220 [ 247.121951][ T44] ? __asan_memset+0x27/0x50 [ 247.122116][ T44] ? sg_init_table+0x19/0x60 [ 247.122285][ T44] ? try_fill_recv+0x3ec/0x1750 [ 247.122452][ T44] ? napi_enable+0x3b/0x80 [ 247.122621][ T44] napi_enable+0x3b/0x80 [ 247.122756][ T44] __virtnet_rx_resume+0x156/0x290 [ 247.122931][ T44] ? queue_delayed_work_on+0x91/0x100 [ 247.123160][ T44] virtnet_rx_resume_all+0xe7/0x1a0 [ 247.123326][ T44] virtnet_xdp_set+0xef7/0x1aa0 [ 247.123493][ T44] ? virtnet_xdp_set+0x1aa0/0x1aa0 [ 247.123662][ T44] dev_xdp_install+0x3e4/0x890 [ 247.123843][ T44] ? netif_set_xps_queue+0x40/0x40 [ 247.124010][ T44] dev_xdp_attach+0x50d/0x1310 [ 247.124175][ T44] ? bpf_xdp_link_update+0x6e0/0x6e0 [ 247.124340][ T44] ? __bpf_prog_get+0x320/0x320 [ 247.124508][ T44] dev_change_xdp_fd+0x176/0x210 [ 247.124683][ T44] do_setlink.isra.0+0x1c2d/0x2880 [ 247.124868][ T44] ? rtnl_newlink_create+0x900/0x900 [ 247.125032][ T44] ? rcu_lockdep_current_cpu_online+0x39/0x1b0 [ 247.125225][ T44] ? rcu_read_lock_any_held+0x3c/0x90 [ 247.125387][ T44] ? validate_chain+0x37b/0xb70 [ 247.125551][ T44] ? rcu_read_lock_any_held+0x66/0x90 [ 247.125719][ T44] ? stack_depot_save_flags+0x3f1/0x6f0 [ 247.125905][ T44] ? __lock_acquire+0x577/0xc10 [ 247.126069][ T44] ? lock_acquire.part.0+0xbc/0x260 [ 247.126232][ T44] ? rtnl_newlink+0x6fc/0xe90 [ 247.126395][ T44] ? lock_acquire+0x10a/0x150 [ 247.126556][ T44] ? rcu_is_watching+0x15/0xd0 [ 247.126724][ T44] ? rcu_is_watching+0x15/0xd0 [ 247.126899][ T44] ? trace_contention_end+0xd6/0x110 [ 247.127064][ T44] ? __mutex_lock+0x285/0x1f20 [ 247.127233][ T44] ? rtnl_newlink+0x6fc/0xe90 [ 247.127395][ T44] ? ww_mutex_lock+0x160/0x160 [ 247.127557][ T44] ? nla_get_range_signed+0x3d0/0x3d0 [ 247.127730][ T44] ? __rtnl_newlink+0x3fa/0xa40 [ 247.127911][ T44] rtnl_newlink+0x75c/0xe90 [ 247.128075][ T44] ? __lock_release.isra.0+0x59/0x170 [ 247.128237][ T44] ? rtnl_setlink+0x880/0x880 [ 247.128400][ T44] ? __lock_acquire+0x577/0xc10 [ 247.128573][ T44] ? lock_acquire.part.0+0xbc/0x260 [ 247.128735][ T44] ? find_held_lock+0x2b/0x80 [ 247.128909][ T44] ? rtnl_setlink+0x880/0x880 [ 247.129071][ T44] ? __lock_release.isra.0+0x59/0x170 [ 247.129235][ T44] ? rtnl_setlink+0x880/0x880 [ 247.129398][ T44] rtnetlink_rcv_msg+0x6fe/0xb90 [ 247.129567][ T44] ? rtnl_fdb_dump+0x620/0x620 [ 247.129737][ T44] ? __lock_acquire+0x577/0xc10 [ 247.129914][ T44] ? lock_acquire.part.0+0xbc/0x260 [ 247.130077][ T44] ? find_held_lock+0x2b/0x80 [ 247.130240][ T44] netlink_rcv_skb+0x123/0x380 [ 247.130404][ T44] ? rtnl_fdb_dump+0x620/0x620 [ 247.130573][ T44] ? netlink_ack+0xcc0/0xcc0 [ 247.130741][ T44] ? netlink_deliver_tap+0xc5/0x330 [ 247.130912][ T44] ? netlink_deliver_tap+0x13f/0x330 [ 247.131080][ T44] netlink_unicast+0x4a3/0x770 [ 247.131246][ T44] ? netlink_attachskb+0x810/0x810 [ 247.131410][ T44] ? lock_acquire.part.0+0xbc/0x260 [ 247.131580][ T44] ? __lock_acquire+0x577/0xc10 [ 247.131745][ T44] netlink_sendmsg+0x735/0xc60 [ 247.131924][ T44] ? netlink_unicast+0x770/0x770 [ 247.132092][ T44] ____sys_sendmsg+0x419/0x850 [ 247.132261][ T44] ? copy_msghdr_from_user+0x270/0x430 [ 247.132424][ T44] ? get_timestamp.constprop.0+0x3a0/0x3a0 [ 247.132621][ T44] ? move_addr_to_kernel+0x40/0x40 [ 247.132785][ T44] ? stack_depot_save_flags+0x3f1/0x6f0 [ 247.132962][ T44] ? rcu_read_lock_any_held+0x3c/0x90 [ 247.133127][ T44] ___sys_sendmsg+0xfd/0x180 [ 247.133287][ T44] ? __call_rcu_common.constprop.0+0xa6/0xa00 [ 247.133479][ T44] ? copy_msghdr_from_user+0x430/0x430 [ 247.133661][ T44] __sys_sendmsg+0x124/0x1c0 [ 247.133842][ T44] ? __sys_sendmsg_sock+0x20/0x20 [ 247.134006][ T44] ? lockdep_hardirqs_on+0x84/0x130 [ 247.134168][ T44] ? __call_rcu_common.constprop.0+0x3bd/0xa00 [ 247.134359][ T44] ? do_raw_spin_unlock+0x59/0x250 [ 247.134522][ T44] ? rcu_is_watching+0x15/0xd0 [ 247.134692][ T44] do_syscall_64+0xbd/0xfc0 [ 247.134873][ T44] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 247.135064][ T44] RIP: 0033:0x7f5b61803c5e [ 247.135234][ T44] RSP: 002b:00007ffc9b5ddd40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 247.135458][ T44] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f5b61803c5e [ 247.135683][ T44] RDX: 0000000000000000 RSI: 00007ffc9b5dde00 RDI: 0000000000000003 [ 247.135924][ T44] RBP: 00007ffc9b5ddd50 R08: 0000000000000000 R09: 0000000000000000 [ 247.136143][ T44] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc9b5de4c0 [ 247.136367][ T44] R13: 0000000069577c02 R14: 0000000000000000 R15: 0000000000499600 [ 247.136602][ T44] [ 247.136743][ T44] INFO: task ip:256 is blocked on a mutex likely owned by task kworker/0:0:9. [ 247.136995][ T44] task:kworker/0:0 state:D stack:28624 pid:9 tgid:9 ppid:2 task_flags:0x4208060 flags:0x00080000 [ 247.137296][ T44] Workqueue: events refill_work [ 247.137461][ T44] Call Trace: [ 247.137602][ T44] [ 247.137711][ T44] __schedule+0xae2/0x1720 [ 247.137892][ T44] ? usleep_range_state+0xba/0x1b0 [ 247.138060][ T44] ? io_schedule_timeout+0x130/0x130 [ 247.138226][ T44] ? __lock_release.isra.0+0x59/0x170 [ 247.138391][ T44] ? usleep_range_state+0xba/0x1b0 [ 247.138553][ T44] schedule+0xd4/0x260 [ 247.138696][ T44] schedule_hrtimeout_range_clock+0x1da/0x2f0 [ 247.138902][ T44] ? schedule_timeout_idle+0xe0/0xe0 [ 247.139072][ T44] ? __hrtimer_cb_get_time+0x50/0x50 [ 247.139238][ T44] ? lockdep_hardirqs_on+0x84/0x130 [ 247.139401][ T44] ? ktime_get+0x15e/0x220 [ 247.139569][ T44] ? kvm_clock_get_cycles+0x18/0x30 [ 247.139732][ T44] ? ktime_get+0xa9/0x220 [ 247.139882][ T44] usleep_range_state+0x133/0x1b0 [ 247.140047][ T44] ? schedule_hrtimeout+0x20/0x20 [ 247.140216][ T44] ? perf_trace_sched_switch+0x6d0/0x6d0 [ 247.140381][ T44] ? refill_work+0x149/0x210 [ 247.140547][ T44] napi_disable_locked+0x379/0x5f0 [ 247.140717][ T44] ? _mutex_trylock_nest_lock+0x340/0x340 [ 247.140894][ T44] ? register_netdevice_notifier_net+0x40/0x40 [ 247.141089][ T44] napi_disable+0x43/0x80 [ 247.141224][ T44] refill_work+0x116/0x210 [ 247.141393][ T44] process_one_work+0xd57/0x1390 [ 247.141567][ T44] ? pwq_dec_nr_in_flight+0x700/0x700 [ 247.141730][ T44] ? lock_acquire.part.0+0xbc/0x260 [ 247.141909][ T44] ? assign_work+0x152/0x380 [ 247.142075][ T44] worker_thread+0x4d6/0xd40 [ 247.142243][ T44] ? process_one_work+0x1390/0x1390 [ 247.142408][ T44] kthread+0x355/0x5b0 [ 247.142544][ T44] ? kthread_is_per_cpu+0xe0/0xe0 [ 247.142718][ T44] ? __lock_release.isra.0+0x59/0x170 [ 247.142895][ T44] ? rcu_is_watching+0x15/0xd0 [ 247.143060][ T44] ? kthread_is_per_cpu+0xe0/0xe0 [ 247.143224][ T44] ret_from_fork+0x3fb/0x510 [ 247.143390][ T44] ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140 [ 247.143587][ T44] ? __switch_to+0x53c/0xd00 [ 247.143754][ T44] ? kthread_is_per_cpu+0xe0/0xe0 [ 247.143936][ T44] ret_from_fork_asm+0x11/0x20 [ 247.144107][ T44] [ 247.144248][ T44] [ 247.144248][ T44] Showing all locks held in the system: [ 247.144463][ T44] 3 locks held by kworker/0:0/9: [ 247.144628][ T44] #0: ff11000001139b48 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390 [ 247.144987][ T44] #1: ffa0000000097cc0 ((work_completion)(&(&vi->refill)->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390 [ 247.145289][ T44] #2: ff11000008b42c98 (&dev->lock){+.+.}-{4:4}, at: napi_disable+0x3b/0x80 [ 247.145536][ T44] 3 locks held by kworker/u16:0/12: [ 247.145697][ T44] #0: ff110000090cf148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390 [ 247.145984][ T44] #1: ffa00000000c7cc0 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390 [ 247.146313][ T44] #2: ffffffff8d6859a8 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x12/0x30 [ 247.146569][ T44] 1 lock held by khungtaskd/44: [ 247.146726][ T44] #0: ffffffff8cf710c0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire.constprop.0+0x7/0x30 [ 247.147020][ T44] 2 locks held by ip/256: [ 247.147153][ T44] #0: ffffffff8d6859a8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x6fc/0xe90 [ 247.147397][ T44] #1: ff11000008b42c98 (&dev->lock){+.+.}-{4:4}, at: napi_enable+0x3b/0x80 [ 247.147648][ T44] [ 247.147752][ T44] ============================================= [ 247.147752][ T44] [ 252.237815][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 214528 ms [ 252.238265][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 214528000 usecs ago [ 257.357814][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 219648 ms [ 257.358245][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 219648000 usecs ago [ 263.501813][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 225792 ms [ 263.502252][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 225792000 usecs ago [ 269.133814][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 231424 ms [ 269.134241][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 231424000 usecs ago [ 274.253813][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 236544 ms [ 274.254254][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 236544000 usecs ago [ 279.373814][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 241664 ms [ 279.374259][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 241664000 usecs ago [ 285.517814][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 247808 ms [ 285.518280][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 247808000 usecs ago [ 291.149814][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 253440 ms [ 291.150254][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 253440000 usecs ago [ 296.269813][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 258560 ms [ 296.270251][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 258560000 usecs ago [ 301.389813][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 263680 ms [ 301.390262][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 263680000 usecs ago [ 307.533813][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 269824 ms [ 307.534255][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 269824000 usecs ago [ 313.165817][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 275456 ms [ 313.166259][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 275456000 usecs ago [ 318.285818][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 280576 ms [ 318.286272][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 280576000 usecs ago [ 323.405818][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 285696 ms [ 323.406239][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 285696000 usecs ago [ 329.549814][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 291840 ms [ 329.550250][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 291840000 usecs ago [ 335.181814][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 297472 ms [ 335.182248][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 297472000 usecs ago [ 340.301813][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 302592 ms [ 340.302246][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 302592000 usecs ago [ 345.421813][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 307712 ms [ 345.422233][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 307712000 usecs ago [ 351.565813][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 313856 ms [ 351.566243][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 313856000 usecs ago [ 357.197814][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 319488 ms [ 357.198249][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 319488000 usecs ago [ 362.317813][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 324608 ms [ 362.318236][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 324608000 usecs ago [ 368.461814][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 330752 ms [ 368.462259][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 330752000 usecs ago [ 369.997821][ T44] INFO: task kworker/u16:0:12 blocked for more than 122 seconds. [ 369.998123][ T44] Not tainted 6.19.0-rc3-virtme #1 [ 369.998316][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 369.998607][ T44] task:kworker/u16:0 state:D stack:27760 pid:12 tgid:12 ppid:2 task_flags:0x4208060 flags:0x00080000 [ 369.999007][ T44] Workqueue: ipv6_addrconf addrconf_verify_work [ 369.999239][ T44] Call Trace: [ 369.999380][ T44] [ 369.999491][ T44] __schedule+0xae2/0x1720 [ 369.999675][ T44] ? io_schedule_timeout+0x130/0x130 [ 369.999863][ T44] ? __lock_release.isra.0+0x59/0x170 [ 370.000033][ T44] ? __lock_release.isra.0+0x59/0x170 [ 370.000205][ T44] schedule+0xd4/0x260 [ 370.000347][ T44] schedule_preempt_disabled+0x18/0x30 [ 370.000513][ T44] __mutex_lock+0xd76/0x1f20 [ 370.000689][ T44] ? addrconf_verify_work+0x12/0x30 [ 370.000872][ T44] ? ww_mutex_lock+0x160/0x160 [ 370.001045][ T44] ? process_one_work+0xd16/0x1390 [ 370.001214][ T44] ? rcu_is_watching+0x15/0xd0 [ 370.001378][ T44] ? rcu_is_watching+0x15/0xd0 [ 370.001544][ T44] ? addrconf_verify_work+0x12/0x30 [ 370.001719][ T44] addrconf_verify_work+0x12/0x30 [ 370.001899][ T44] process_one_work+0xd57/0x1390 [ 370.002066][ T44] ? pwq_dec_nr_in_flight+0x700/0x700 [ 370.002232][ T44] ? assign_work+0x152/0x380 [ 370.002396][ T44] worker_thread+0x4d6/0xd40 [ 370.002565][ T44] ? process_one_work+0x1390/0x1390 [ 370.002733][ T44] kthread+0x355/0x5b0 [ 370.002884][ T44] ? kthread_is_per_cpu+0xe0/0xe0 [ 370.003047][ T44] ? __lock_release.isra.0+0x59/0x170 [ 370.003210][ T44] ? rcu_is_watching+0x15/0xd0 [ 370.003373][ T44] ? kthread_is_per_cpu+0xe0/0xe0 [ 370.003538][ T44] ret_from_fork+0x3fb/0x510 [ 370.003705][ T44] ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140 [ 370.003910][ T44] ? __switch_to+0x53c/0xd00 [ 370.004079][ T44] ? kthread_is_per_cpu+0xe0/0xe0 [ 370.004244][ T44] ret_from_fork_asm+0x11/0x20 [ 370.004415][ T44] [ 370.004557][ T44] INFO: task kworker/u16:0:12 is blocked on a mutex likely owned by task ip:256. [ 370.004822][ T44] INFO: task ip:256 blocked for more than 245 seconds. [ 370.005005][ T44] Not tainted 6.19.0-rc3-virtme #1 [ 370.005158][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 370.005390][ T44] task:ip state:D stack:24544 pid:256 tgid:256 ppid:251 task_flags:0x400100 flags:0x00080000 [ 370.005693][ T44] Call Trace: [ 370.005840][ T44] [ 370.005946][ T44] __schedule+0xae2/0x1720 [ 370.006113][ T44] ? io_schedule_timeout+0x130/0x130 [ 370.006277][ T44] ? __lock_release.isra.0+0x59/0x170 [ 370.006441][ T44] ? __lock_release.isra.0+0x59/0x170 [ 370.006606][ T44] schedule+0xd4/0x260 [ 370.006743][ T44] schedule_preempt_disabled+0x18/0x30 [ 370.006920][ T44] __mutex_lock+0xd76/0x1f20 [ 370.007085][ T44] ? __folio_put+0x1f5/0x320 [ 370.007250][ T44] ? napi_enable+0x3b/0x80 [ 370.007414][ T44] ? ww_mutex_lock+0x160/0x160 [ 370.007583][ T44] ? dma_map_phys+0x1b1/0x220 [ 370.007753][ T44] ? __asan_memset+0x27/0x50 [ 370.007930][ T44] ? sg_init_table+0x19/0x60 [ 370.008095][ T44] ? try_fill_recv+0x3ec/0x1750 [ 370.008260][ T44] ? napi_enable+0x3b/0x80 [ 370.008425][ T44] napi_enable+0x3b/0x80 [ 370.008560][ T44] __virtnet_rx_resume+0x156/0x290 [ 370.008727][ T44] ? queue_delayed_work_on+0x91/0x100 [ 370.008909][ T44] virtnet_rx_resume_all+0xe7/0x1a0 [ 370.009076][ T44] virtnet_xdp_set+0xef7/0x1aa0 [ 370.009244][ T44] ? virtnet_xdp_set+0x1aa0/0x1aa0 [ 370.009408][ T44] dev_xdp_install+0x3e4/0x890 [ 370.009573][ T44] ? netif_set_xps_queue+0x40/0x40 [ 370.009741][ T44] dev_xdp_attach+0x50d/0x1310 [ 370.009918][ T44] ? bpf_xdp_link_update+0x6e0/0x6e0 [ 370.010086][ T44] ? __bpf_prog_get+0x320/0x320 [ 370.010254][ T44] dev_change_xdp_fd+0x176/0x210 [ 370.010418][ T44] do_setlink.isra.0+0x1c2d/0x2880 [ 370.010582][ T44] ? rtnl_newlink_create+0x900/0x900 [ 370.010753][ T44] ? rcu_lockdep_current_cpu_online+0x39/0x1b0 [ 370.010960][ T44] ? rcu_read_lock_any_held+0x3c/0x90 [ 370.011123][ T44] ? validate_chain+0x37b/0xb70 [ 370.011290][ T44] ? rcu_read_lock_any_held+0x66/0x90 [ 370.011451][ T44] ? stack_depot_save_flags+0x3f1/0x6f0 [ 370.011616][ T44] ? __lock_acquire+0x577/0xc10 [ 370.011787][ T44] ? lock_acquire.part.0+0xbc/0x260 [ 370.011964][ T44] ? rtnl_newlink+0x6fc/0xe90 [ 370.012125][ T44] ? lock_acquire+0x10a/0x150 [ 370.012286][ T44] ? rcu_is_watching+0x15/0xd0 [ 370.012451][ T44] ? rcu_is_watching+0x15/0xd0 [ 370.012615][ T44] ? trace_contention_end+0xd6/0x110 [ 370.012787][ T44] ? __mutex_lock+0x285/0x1f20 [ 370.012966][ T44] ? rtnl_newlink+0x6fc/0xe90 [ 370.013129][ T44] ? ww_mutex_lock+0x160/0x160 [ 370.013293][ T44] ? nla_get_range_signed+0x3d0/0x3d0 [ 370.013461][ T44] ? __rtnl_newlink+0x3fa/0xa40 [ 370.013627][ T44] rtnl_newlink+0x75c/0xe90 [ 370.013817][ T44] ? __lock_release.isra.0+0x59/0x170 [ 370.013980][ T44] ? rtnl_setlink+0x880/0x880 [ 370.014144][ T44] ? __lock_acquire+0x577/0xc10 [ 370.014309][ T44] ? lock_acquire.part.0+0xbc/0x260 [ 370.014470][ T44] ? find_held_lock+0x2b/0x80 [ 370.014642][ T44] ? rtnl_setlink+0x880/0x880 [ 370.014820][ T44] ? __lock_release.isra.0+0x59/0x170 [ 370.014989][ T44] ? rtnl_setlink+0x880/0x880 [ 370.015152][ T44] rtnetlink_rcv_msg+0x6fe/0xb90 [ 370.015317][ T44] ? rtnl_fdb_dump+0x620/0x620 [ 370.015480][ T44] ? __lock_acquire+0x577/0xc10 [ 370.015652][ T44] ? lock_acquire.part.0+0xbc/0x260 [ 370.015829][ T44] ? find_held_lock+0x2b/0x80 [ 370.015994][ T44] netlink_rcv_skb+0x123/0x380 [ 370.016157][ T44] ? rtnl_fdb_dump+0x620/0x620 [ 370.016324][ T44] ? netlink_ack+0xcc0/0xcc0 [ 370.016492][ T44] ? netlink_deliver_tap+0xc5/0x330 [ 370.016660][ T44] ? netlink_deliver_tap+0x13f/0x330 [ 370.016840][ T44] netlink_unicast+0x4a3/0x770 [ 370.017004][ T44] ? netlink_attachskb+0x810/0x810 [ 370.017166][ T44] ? lock_acquire.part.0+0xbc/0x260 [ 370.017329][ T44] ? __lock_acquire+0x577/0xc10 [ 370.017498][ T44] netlink_sendmsg+0x735/0xc60 [ 370.017669][ T44] ? netlink_unicast+0x770/0x770 [ 370.017852][ T44] ____sys_sendmsg+0x419/0x850 [ 370.018018][ T44] ? copy_msghdr_from_user+0x270/0x430 [ 370.018184][ T44] ? get_timestamp.constprop.0+0x3a0/0x3a0 [ 370.018374][ T44] ? move_addr_to_kernel+0x40/0x40 [ 370.018540][ T44] ? stack_depot_save_flags+0x3f1/0x6f0 [ 370.018708][ T44] ? rcu_read_lock_any_held+0x3c/0x90 [ 370.018885][ T44] ___sys_sendmsg+0xfd/0x180 [ 370.019048][ T44] ? __call_rcu_common.constprop.0+0xa6/0xa00 [ 370.019240][ T44] ? copy_msghdr_from_user+0x430/0x430 [ 370.019415][ T44] __sys_sendmsg+0x124/0x1c0 [ 370.019579][ T44] ? __sys_sendmsg_sock+0x20/0x20 [ 370.019749][ T44] ? lockdep_hardirqs_on+0x84/0x130 [ 370.019927][ T44] ? __call_rcu_common.constprop.0+0x3bd/0xa00 [ 370.020121][ T44] ? do_raw_spin_unlock+0x59/0x250 [ 370.020285][ T44] ? rcu_is_watching+0x15/0xd0 [ 370.020449][ T44] do_syscall_64+0xbd/0xfc0 [ 370.020616][ T44] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 370.020827][ T44] RIP: 0033:0x7f5b61803c5e [ 370.020995][ T44] RSP: 002b:00007ffc9b5ddd40 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 370.021219][ T44] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007f5b61803c5e [ 370.021434][ T44] RDX: 0000000000000000 RSI: 00007ffc9b5dde00 RDI: 0000000000000003 [ 370.021660][ T44] RBP: 00007ffc9b5ddd50 R08: 0000000000000000 R09: 0000000000000000 [ 370.021892][ T44] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc9b5de4c0 [ 370.022113][ T44] R13: 0000000069577c02 R14: 0000000000000000 R15: 0000000000499600 [ 370.022337][ T44] [ 370.022474][ T44] INFO: task ip:256 is blocked on a mutex likely owned by task kworker/0:0:9. [ 370.022717][ T44] task:kworker/0:0 state:D stack:28624 pid:9 tgid:9 ppid:2 task_flags:0x4208060 flags:0x00080000 [ 370.023027][ T44] Workqueue: events refill_work [ 370.023195][ T44] Call Trace: [ 370.023327][ T44] [ 370.023435][ T44] __schedule+0xae2/0x1720 [ 370.023599][ T44] ? usleep_range_state+0xba/0x1b0 [ 370.023765][ T44] ? io_schedule_timeout+0x130/0x130 [ 370.023941][ T44] ? __lock_release.isra.0+0x59/0x170 [ 370.024106][ T44] ? usleep_range_state+0xba/0x1b0 [ 370.024267][ T44] schedule+0xd4/0x260 [ 370.024406][ T44] schedule_hrtimeout_range_clock+0x1da/0x2f0 [ 370.024597][ T44] ? schedule_timeout_idle+0xe0/0xe0 [ 370.024768][ T44] ? __hrtimer_cb_get_time+0x50/0x50 [ 370.024944][ T44] ? lockdep_hardirqs_on+0x84/0x130 [ 370.025105][ T44] ? ktime_get+0x15e/0x220 [ 370.025267][ T44] ? kvm_clock_get_cycles+0x18/0x30 [ 370.025433][ T44] ? ktime_get+0xa9/0x220 [ 370.025569][ T44] usleep_range_state+0x133/0x1b0 [ 370.025736][ T44] ? schedule_hrtimeout+0x20/0x20 [ 370.025911][ T44] ? perf_trace_sched_switch+0x6d0/0x6d0 [ 370.026073][ T44] ? refill_work+0x149/0x210 [ 370.026238][ T44] napi_disable_locked+0x379/0x5f0 [ 370.026399][ T44] ? _mutex_trylock_nest_lock+0x340/0x340 [ 370.026562][ T44] ? register_netdevice_notifier_net+0x40/0x40 [ 370.026765][ T44] napi_disable+0x43/0x80 [ 370.026912][ T44] refill_work+0x116/0x210 [ 370.027079][ T44] process_one_work+0xd57/0x1390 [ 370.027245][ T44] ? pwq_dec_nr_in_flight+0x700/0x700 [ 370.027406][ T44] ? lock_acquire.part.0+0xbc/0x260 [ 370.027569][ T44] ? assign_work+0x152/0x380 [ 370.027737][ T44] worker_thread+0x4d6/0xd40 [ 370.027920][ T44] ? process_one_work+0x1390/0x1390 [ 370.028081][ T44] kthread+0x355/0x5b0 [ 370.028216][ T44] ? kthread_is_per_cpu+0xe0/0xe0 [ 370.028377][ T44] ? __lock_release.isra.0+0x59/0x170 [ 370.028541][ T44] ? rcu_is_watching+0x15/0xd0 [ 370.028706][ T44] ? kthread_is_per_cpu+0xe0/0xe0 [ 370.028880][ T44] ret_from_fork+0x3fb/0x510 [ 370.029043][ T44] ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140 [ 370.029236][ T44] ? __switch_to+0x53c/0xd00 [ 370.029398][ T44] ? kthread_is_per_cpu+0xe0/0xe0 [ 370.029562][ T44] ret_from_fork_asm+0x11/0x20 [ 370.029739][ T44] [ 370.029883][ T44] [ 370.029883][ T44] Showing all locks held in the system: [ 370.030096][ T44] 3 locks held by kworker/0:0/9: [ 370.030255][ T44] #0: ff11000001139b48 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390 [ 370.030529][ T44] #1: ffa0000000097cc0 ((work_completion)(&(&vi->refill)->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390 [ 370.030846][ T44] #2: ff11000008b42c98 (&dev->lock){+.+.}-{4:4}, at: napi_disable+0x3b/0x80 [ 370.031090][ T44] 3 locks held by kworker/u16:0/12: [ 370.031247][ T44] #0: ff110000090cf148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390 [ 370.031520][ T44] #1: ffa00000000c7cc0 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390 [ 370.031872][ T44] #2: ffffffff8d6859a8 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x12/0x30 [ 370.032119][ T44] 1 lock held by khungtaskd/44: [ 370.032281][ T44] #0: ffffffff8cf710c0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire.constprop.0+0x7/0x30 [ 370.032557][ T44] 2 locks held by ip/256: [ 370.032694][ T44] #0: ffffffff8d6859a8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x6fc/0xe90 [ 370.032953][ T44] #1: ff11000008b42c98 (&dev->lock){+.+.}-{4:4}, at: napi_enable+0x3b/0x80 [ 370.033197][ T44] [ 370.033299][ T44] ============================================= [ 370.033299][ T44] [ 374.093814][ C2] virtio_net virtio2 enp0s1: NETDEV WATCHDOG: CPU: 2: transmit queue 3 timed out 336384 ms [ 374.094239][ C2] virtio_net virtio2 enp0s1: TX timeout on queue: 3, sq: output.3, vq: 0x7, name: output.3, 336384000 usecs ago