[ 738.637938][ T44] INFO: task ip:5814 blocked for more than 122 seconds.
[ 738.638257][ T44] Not tainted 6.19.0-rc3-virtme #1
[ 738.638407][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 738.638655][ T44] task:ip state:D stack:24976 pid:5814 tgid:5814 ppid:5809 task_flags:0x400100 flags:0x00080000
[ 738.639000][ T44] Call Trace:
[ 738.639111][ T44]
[ 738.639180][ T44] __schedule+0xae2/0x1720
[ 738.639332][ T44] ? io_schedule_timeout+0x130/0x130
[ 738.639464][ T44] ? __lock_release.isra.0+0x59/0x170
[ 738.639597][ T44] ? __lock_release.isra.0+0x59/0x170
[ 738.639726][ T44] schedule+0xd4/0x260
[ 738.639828][ T44] schedule_preempt_disabled+0x18/0x30
[ 738.639974][ T44] __mutex_lock+0xd76/0x1f20
[ 738.640107][ T44] ? napi_enable+0x3b/0x80
[ 738.640236][ T44] ? ww_mutex_lock+0x160/0x160
[ 738.640361][ T44] ? __lock_release.isra.0+0x59/0x170
[ 738.640491][ T44] ? __asan_memset+0x27/0x50
[ 738.640623][ T44] ? sg_init_table+0x19/0x60
[ 738.640751][ T44] ? try_fill_recv+0x3ec/0x1750
[ 738.640886][ T44] ? napi_enable+0x3b/0x80
[ 738.641017][ T44] napi_enable+0x3b/0x80
[ 738.641112][ T44] __virtnet_rx_resume+0x156/0x290
[ 738.641225][ T44] ? queue_delayed_work_on+0x91/0x100
[ 738.641343][ T44] virtnet_rx_resume_all+0xe7/0x1a0
[ 738.641459][ T44] virtnet_xdp_set+0xef7/0x1aa0
[ 738.641584][ T44] ? virtnet_xdp_set+0x1aa0/0x1aa0
[ 738.641698][ T44] dev_xdp_install+0x3e4/0x890
[ 738.641815][ T44] ? netif_set_xps_queue+0x40/0x40
[ 738.641937][ T44] dev_xdp_attach+0x50d/0x1310
[ 738.642183][ T44] ? bpf_xdp_link_update+0x6e0/0x6e0
[ 738.642297][ T44] ? __bpf_prog_get+0x320/0x320
[ 738.642412][ T44] dev_change_xdp_fd+0x176/0x210
[ 738.642527][ T44] do_setlink.isra.0+0x1c2d/0x2880
[ 738.642652][ T44] ? rtnl_newlink_create+0x900/0x900
[ 738.642767][ T44] ? rcu_lockdep_current_cpu_online+0x39/0x1b0
[ 738.642924][ T44] ? rcu_read_lock_any_held+0x3c/0x90
[ 738.643039][ T44] ? validate_chain+0x37b/0xb70
[ 738.643152][ T44] ? rcu_read_lock_any_held+0x66/0x90
[ 738.643265][ T44] ? stack_depot_save_flags+0x3f1/0x6f0
[ 738.643381][ T44] ? __lock_acquire+0x577/0xc10
[ 738.643498][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 738.643615][ T44] ? rtnl_newlink+0x6fc/0xe90
[ 738.643729][ T44] ? lock_acquire+0x10a/0x150
[ 738.643840][ T44] ? rcu_is_watching+0x15/0xd0
[ 738.643959][ T44] ? rcu_is_watching+0x15/0xd0
[ 738.644075][ T44] ? trace_contention_end+0xd6/0x110
[ 738.644192][ T44] ? __mutex_lock+0x285/0x1f20
[ 738.644309][ T44] ? rtnl_newlink+0x6fc/0xe90
[ 738.644424][ T44] ? ww_mutex_lock+0x160/0x160
[ 738.644541][ T44] ? nla_get_range_signed+0x3d0/0x3d0
[ 738.644657][ T44] ? __rtnl_newlink+0x3fa/0xa40
[ 738.644777][ T44] rtnl_newlink+0x75c/0xe90
[ 738.644893][ T44] ? __lock_release.isra.0+0x59/0x170
[ 738.645014][ T44] ? rtnl_setlink+0x880/0x880
[ 738.645129][ T44] ? __lock_acquire+0x577/0xc10
[ 738.645249][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 738.645364][ T44] ? find_held_lock+0x2b/0x80
[ 738.645481][ T44] ? rtnl_setlink+0x880/0x880
[ 738.645600][ T44] ? __lock_release.isra.0+0x59/0x170
[ 738.645714][ T44] ? rtnl_setlink+0x880/0x880
[ 738.645827][ T44] rtnetlink_rcv_msg+0x6fe/0xb90
[ 738.645948][ T44] ? rtnl_fdb_dump+0x620/0x620
[ 738.646061][ T44] ? __lock_acquire+0x577/0xc10
[ 738.646179][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 738.646293][ T44] ? find_held_lock+0x2b/0x80
[ 738.646408][ T44] netlink_rcv_skb+0x123/0x380
[ 738.646525][ T44] ? rtnl_fdb_dump+0x620/0x620
[ 738.646643][ T44] ? netlink_ack+0xcc0/0xcc0
[ 738.646763][ T44] ? netlink_deliver_tap+0xc5/0x330
[ 738.646877][ T44] ? netlink_deliver_tap+0x13f/0x330
[ 738.647001][ T44] netlink_unicast+0x4a3/0x770
[ 738.647119][ T44] ? netlink_attachskb+0x810/0x810
[ 738.647233][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 738.647352][ T44] ? __lock_acquire+0x577/0xc10
[ 738.647468][ T44] netlink_sendmsg+0x735/0xc60
[ 738.647586][ T44] ? netlink_unicast+0x770/0x770
[ 738.647702][ T44] ____sys_sendmsg+0x419/0x850
[ 738.647816][ T44] ? copy_msghdr_from_user+0x270/0x430
[ 738.647934][ T44] ? get_timestamp.constprop.0+0x3a0/0x3a0
[ 738.648079][ T44] ? move_addr_to_kernel+0x40/0x40
[ 738.648195][ T44] ? stack_depot_save_flags+0x3f1/0x6f0
[ 738.648310][ T44] ? rcu_read_lock_any_held+0x3c/0x90
[ 738.648426][ T44] ___sys_sendmsg+0xfd/0x180
[ 738.648542][ T44] ? __call_rcu_common.constprop.0+0xa6/0xa00
[ 738.648686][ T44] ? copy_msghdr_from_user+0x430/0x430
[ 738.648815][ T44] __sys_sendmsg+0x124/0x1c0
[ 738.648935][ T44] ? __sys_sendmsg_sock+0x20/0x20
[ 738.649047][ T44] ? lockdep_hardirqs_on+0x84/0x130
[ 738.649163][ T44] ? __call_rcu_common.constprop.0+0x3bd/0xa00
[ 738.649307][ T44] ? do_raw_spin_unlock+0x59/0x250
[ 738.649424][ T44] ? rcu_is_watching+0x15/0xd0
[ 738.649540][ T44] do_syscall_64+0xbd/0xfc0
[ 738.649654][ T44] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 738.649803][ T44] RIP: 0033:0x7fbac8392c5e
[ 738.649932][ T44] RSP: 002b:00007fff8b7c64d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[ 738.650110][ T44] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fbac8392c5e
[ 738.650282][ T44] RDX: 0000000000000000 RSI: 00007fff8b7c6590 RDI: 0000000000000003
[ 738.650454][ T44] RBP: 00007fff8b7c64e0 R08: 0000000000000000 R09: 0000000000000000
[ 738.650630][ T44] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff8b7c6c50
[ 738.650800][ T44] R13: 00000000695be684 R14: 0000000000000000 R15: 0000000000499600
[ 738.650989][ T44]
[ 738.651082][ T44] INFO: task ip:5814 is blocked on a mutex likely owned by task kworker/3:2:497.
[ 738.651273][ T44] task:kworker/3:2 state:D stack:28096 pid:497 tgid:497 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 738.651547][ T44] Workqueue: events refill_work
[ 738.651662][ T44] Call Trace:
[ 738.651751][ T44]
[ 738.651812][ T44] __schedule+0xae2/0x1720
[ 738.651934][ T44] ? usleep_range_state+0xba/0x1b0
[ 738.652047][ T44] ? io_schedule_timeout+0x130/0x130
[ 738.652162][ T44] ? __lock_release.isra.0+0x59/0x170
[ 738.652279][ T44] ? usleep_range_state+0xba/0x1b0
[ 738.652391][ T44] schedule+0xd4/0x260
[ 738.652476][ T44] schedule_hrtimeout_range_clock+0x1da/0x2f0
[ 738.652621][ T44] ? schedule_timeout_idle+0xe0/0xe0
[ 738.652734][ T44] ? __hrtimer_cb_get_time+0x50/0x50
[ 738.652850][ T44] ? lockdep_hardirqs_on+0x84/0x130
[ 738.652969][ T44] ? ktime_get+0x15e/0x220
[ 738.653088][ T44] ? kvm_clock_get_cycles+0x18/0x30
[ 738.653201][ T44] ? ktime_get+0xa9/0x220
[ 738.653288][ T44] usleep_range_state+0x133/0x1b0
[ 738.653402][ T44] ? schedule_hrtimeout+0x20/0x20
[ 738.653515][ T44] ? perf_trace_sched_switch+0x6d0/0x6d0
[ 738.653631][ T44] ? refill_work+0x149/0x210
[ 738.653745][ T44] napi_disable_locked+0x379/0x5f0
[ 738.653859][ T44] ? _mutex_trylock_nest_lock+0x340/0x340
[ 738.653977][ T44] ? register_netdevice_notifier_net+0x40/0x40
[ 738.654124][ T44] napi_disable+0x43/0x80
[ 738.654210][ T44] refill_work+0x116/0x210
[ 738.654324][ T44] process_one_work+0xd57/0x1390
[ 738.654440][ T44] ? pwq_dec_nr_in_flight+0x700/0x700
[ 738.654556][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 738.654674][ T44] ? assign_work+0x152/0x380
[ 738.654787][ T44] worker_thread+0x4d6/0xd40
[ 738.654907][ T44] ? process_one_work+0x1390/0x1390
[ 738.655020][ T44] ? __kthread_parkme+0xb3/0x200
[ 738.655135][ T44] ? process_one_work+0x1390/0x1390
[ 738.655247][ T44] kthread+0x355/0x5b0
[ 738.655333][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 738.655450][ T44] ? __lock_release.isra.0+0x59/0x170
[ 738.655568][ T44] ? rcu_is_watching+0x15/0xd0
[ 738.655681][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 738.655795][ T44] ret_from_fork+0x3fb/0x510
[ 738.655919][ T44] ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140
[ 738.656061][ T44] ? __switch_to+0x53c/0xd00
[ 738.656176][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 738.656292][ T44] ret_from_fork_asm+0x11/0x20
[ 738.656412][ T44]
[ 738.656509][ T44]
[ 738.656509][ T44] Showing all locks held in the system:
[ 738.656680][ T44] 3 locks held by kworker/u16:0/12:
[ 738.656791][ T44] #0: ff110000091e7148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390
[ 738.657094][ T44] #1: ffa00000000c7cc0 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390
[ 738.657366][ T44] #2: ffffffff962859a8 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x12/0x30
[ 738.657567][ T44] 1 lock held by khungtaskd/44:
[ 738.657677][ T44] #0: ffffffff95b710c0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire.constprop.0+0x7/0x30
[ 738.657899][ T44] 3 locks held by kworker/3:2/497:
[ 738.658017][ T44] #0: ff11000001139b48 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390
[ 738.658235][ T44] #1: ffa0000000607cc0 ((work_completion)(&(&vi->refill)->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390
[ 738.658480][ T44] #2: ff11000008baac98 (&dev->lock){+.+.}-{4:4}, at: napi_disable+0x3b/0x80
[ 738.658680][ T44] 2 locks held by ip/5814:
[ 738.658791][ T44] #0: ffffffff962859a8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x6fc/0xe90
[ 738.658987][ T44] #1: ff11000008baac98 (&dev->lock){+.+.}-{4:4}, at: napi_enable+0x3b/0x80
[ 738.659180][ T44]
[ 738.659239][ T44] =============================================
[ 738.659239][ T44]
[ 861.517913][ T44] INFO: task kworker/u16:0:12 blocked for more than 122 seconds.
[ 861.518212][ T44] Not tainted 6.19.0-rc3-virtme #1
[ 861.518350][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 861.518581][ T44] task:kworker/u16:0 state:D stack:26128 pid:12 tgid:12 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 861.518881][ T44] Workqueue: ipv6_addrconf addrconf_verify_work
[ 861.519071][ T44] Call Trace:
[ 861.519177][ T44]
[ 861.519248][ T44] __schedule+0xae2/0x1720
[ 861.519388][ T44] ? io_schedule_timeout+0x130/0x130
[ 861.519522][ T44] ? __lock_release.isra.0+0x59/0x170
[ 861.519647][ T44] ? __lock_release.isra.0+0x59/0x170
[ 861.519772][ T44] schedule+0xd4/0x260
[ 861.519861][ T44] schedule_preempt_disabled+0x18/0x30
[ 861.519987][ T44] __mutex_lock+0xd76/0x1f20
[ 861.520110][ T44] ? addrconf_verify_work+0x12/0x30
[ 861.520231][ T44] ? ww_mutex_lock+0x160/0x160
[ 861.520354][ T44] ? process_one_work+0xd16/0x1390
[ 861.520475][ T44] ? rcu_is_watching+0x15/0xd0
[ 861.520594][ T44] ? rcu_is_watching+0x15/0xd0
[ 861.520714][ T44] ? addrconf_verify_work+0x12/0x30
[ 861.520827][ T44] addrconf_verify_work+0x12/0x30
[ 861.520949][ T44] process_one_work+0xd57/0x1390
[ 861.521067][ T44] ? pwq_dec_nr_in_flight+0x700/0x700
[ 861.521180][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 861.521295][ T44] ? assign_work+0x152/0x380
[ 861.521410][ T44] worker_thread+0x4d6/0xd40
[ 861.521527][ T44] ? process_one_work+0x1390/0x1390
[ 861.521641][ T44] kthread+0x355/0x5b0
[ 861.521734][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 861.521846][ T44] ? __lock_release.isra.0+0x59/0x170
[ 861.521965][ T44] ? rcu_is_watching+0x15/0xd0
[ 861.522076][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 861.522191][ T44] ret_from_fork+0x3fb/0x510
[ 861.522305][ T44] ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140
[ 861.522445][ T44] ? __switch_to+0x53c/0xd00
[ 861.522563][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 861.522681][ T44] ret_from_fork_asm+0x11/0x20
[ 861.522805][ T44]
[ 861.522914][ T44] INFO: task kworker/u16:0:12 is blocked on a mutex likely owned by task ip:5814.
[ 861.523111][ T44] INFO: task ip:5814 blocked for more than 245 seconds.
[ 861.523246][ T44] Not tainted 6.19.0-rc3-virtme #1
[ 861.523352][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 861.523536][ T44] task:ip state:D stack:24976 pid:5814 tgid:5814 ppid:5809 task_flags:0x400100 flags:0x00080000
[ 861.523784][ T44] Call Trace:
[ 861.523868][ T44]
[ 861.523933][ T44] __schedule+0xae2/0x1720
[ 861.524049][ T44] ? io_schedule_timeout+0x130/0x130
[ 861.524163][ T44] ? __lock_release.isra.0+0x59/0x170
[ 861.524278][ T44] ? __lock_release.isra.0+0x59/0x170
[ 861.524393][ T44] schedule+0xd4/0x260
[ 861.524479][ T44] schedule_preempt_disabled+0x18/0x30
[ 861.524592][ T44] __mutex_lock+0xd76/0x1f20
[ 861.524709][ T44] ? napi_enable+0x3b/0x80
[ 861.524825][ T44] ? ww_mutex_lock+0x160/0x160
[ 861.524941][ T44] ? __lock_release.isra.0+0x59/0x170
[ 861.525056][ T44] ? __asan_memset+0x27/0x50
[ 861.525171][ T44] ? sg_init_table+0x19/0x60
[ 861.525286][ T44] ? try_fill_recv+0x3ec/0x1750
[ 861.525401][ T44] ? napi_enable+0x3b/0x80
[ 861.525512][ T44] napi_enable+0x3b/0x80
[ 861.525597][ T44] __virtnet_rx_resume+0x156/0x290
[ 861.525712][ T44] ? queue_delayed_work_on+0x91/0x100
[ 861.525826][ T44] virtnet_rx_resume_all+0xe7/0x1a0
[ 861.525954][ T44] virtnet_xdp_set+0xef7/0x1aa0
[ 861.526072][ T44] ? virtnet_xdp_set+0x1aa0/0x1aa0
[ 861.526185][ T44] dev_xdp_install+0x3e4/0x890
[ 861.526298][ T44] ? netif_set_xps_queue+0x40/0x40
[ 861.526415][ T44] dev_xdp_attach+0x50d/0x1310
[ 861.526532][ T44] ? bpf_xdp_link_update+0x6e0/0x6e0
[ 861.526645][ T44] ? __bpf_prog_get+0x320/0x320
[ 861.526766][ T44] dev_change_xdp_fd+0x176/0x210
[ 861.526881][ T44] do_setlink.isra.0+0x1c2d/0x2880
[ 861.527009][ T44] ? rtnl_newlink_create+0x900/0x900
[ 861.527122][ T44] ? rcu_lockdep_current_cpu_online+0x39/0x1b0
[ 861.527265][ T44] ? rcu_read_lock_any_held+0x3c/0x90
[ 861.527377][ T44] ? validate_chain+0x37b/0xb70
[ 861.527490][ T44] ? rcu_read_lock_any_held+0x66/0x90
[ 861.527604][ T44] ? stack_depot_save_flags+0x3f1/0x6f0
[ 861.527724][ T44] ? __lock_acquire+0x577/0xc10
[ 861.527838][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 861.527957][ T44] ? rtnl_newlink+0x6fc/0xe90
[ 861.528068][ T44] ? lock_acquire+0x10a/0x150
[ 861.528180][ T44] ? rcu_is_watching+0x15/0xd0
[ 861.528294][ T44] ? rcu_is_watching+0x15/0xd0
[ 861.528410][ T44] ? trace_contention_end+0xd6/0x110
[ 861.528524][ T44] ? __mutex_lock+0x285/0x1f20
[ 861.528639][ T44] ? rtnl_newlink+0x6fc/0xe90
[ 861.528757][ T44] ? ww_mutex_lock+0x160/0x160
[ 861.528869][ T44] ? nla_get_range_signed+0x3d0/0x3d0
[ 861.528991][ T44] ? __rtnl_newlink+0x3fa/0xa40
[ 861.529106][ T44] rtnl_newlink+0x75c/0xe90
[ 861.529222][ T44] ? __lock_release.isra.0+0x59/0x170
[ 861.529336][ T44] ? rtnl_setlink+0x880/0x880
[ 861.529450][ T44] ? __lock_acquire+0x577/0xc10
[ 861.529564][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 861.529676][ T44] ? find_held_lock+0x2b/0x80
[ 861.529790][ T44] ? rtnl_setlink+0x880/0x880
[ 861.529908][ T44] ? __lock_release.isra.0+0x59/0x170
[ 861.530023][ T44] ? rtnl_setlink+0x880/0x880
[ 861.530138][ T44] rtnetlink_rcv_msg+0x6fe/0xb90
[ 861.530253][ T44] ? rtnl_fdb_dump+0x620/0x620
[ 861.530365][ T44] ? __lock_acquire+0x577/0xc10
[ 861.530479][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 861.530591][ T44] ? find_held_lock+0x2b/0x80
[ 861.530708][ T44] netlink_rcv_skb+0x123/0x380
[ 861.530824][ T44] ? rtnl_fdb_dump+0x620/0x620
[ 861.530949][ T44] ? netlink_ack+0xcc0/0xcc0
[ 861.531067][ T44] ? netlink_deliver_tap+0xc5/0x330
[ 861.531178][ T44] ? netlink_deliver_tap+0x13f/0x330
[ 861.531293][ T44] netlink_unicast+0x4a3/0x770
[ 861.531408][ T44] ? netlink_attachskb+0x810/0x810
[ 861.531521][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 861.531633][ T44] ? __lock_acquire+0x577/0xc10
[ 861.531751][ T44] netlink_sendmsg+0x735/0xc60
[ 861.531869][ T44] ? netlink_unicast+0x770/0x770
[ 861.531991][ T44] ____sys_sendmsg+0x419/0x850
[ 861.532106][ T44] ? copy_msghdr_from_user+0x270/0x430
[ 861.532219][ T44] ? get_timestamp.constprop.0+0x3a0/0x3a0
[ 861.532360][ T44] ? move_addr_to_kernel+0x40/0x40
[ 861.532476][ T44] ? stack_depot_save_flags+0x3f1/0x6f0
[ 861.532589][ T44] ? rcu_read_lock_any_held+0x3c/0x90
[ 861.532707][ T44] ___sys_sendmsg+0xfd/0x180
[ 861.532821][ T44] ? __call_rcu_common.constprop.0+0xa6/0xa00
[ 861.532969][ T44] ? copy_msghdr_from_user+0x430/0x430
[ 861.533096][ T44] __sys_sendmsg+0x124/0x1c0
[ 861.533210][ T44] ? __sys_sendmsg_sock+0x20/0x20
[ 861.533323][ T44] ? lockdep_hardirqs_on+0x84/0x130
[ 861.533438][ T44] ? __call_rcu_common.constprop.0+0x3bd/0xa00
[ 861.533584][ T44] ? do_raw_spin_unlock+0x59/0x250
[ 861.533697][ T44] ? rcu_is_watching+0x15/0xd0
[ 861.533817][ T44] do_syscall_64+0xbd/0xfc0
[ 861.533938][ T44] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 861.534079][ T44] RIP: 0033:0x7fbac8392c5e
[ 861.534210][ T44] RSP: 002b:00007fff8b7c64d0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[ 861.534388][ T44] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fbac8392c5e
[ 861.534565][ T44] RDX: 0000000000000000 RSI: 00007fff8b7c6590 RDI: 0000000000000003
[ 861.534742][ T44] RBP: 00007fff8b7c64e0 R08: 0000000000000000 R09: 0000000000000000
[ 861.534920][ T44] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff8b7c6c50
[ 861.535091][ T44] R13: 00000000695be684 R14: 0000000000000000 R15: 0000000000499600
[ 861.535271][ T44]
[ 861.535361][ T44] INFO: task ip:5814 is blocked on a mutex likely owned by task kworker/3:2:497.
[ 861.535547][ T44] task:kworker/3:2 state:D stack:28096 pid:497 tgid:497 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 861.535794][ T44] Workqueue: events refill_work
[ 861.535912][ T44] Call Trace:
[ 861.536001][ T44]
[ 861.536060][ T44] __schedule+0xae2/0x1720
[ 861.536174][ T44] ? usleep_range_state+0xba/0x1b0
[ 861.536288][ T44] ? io_schedule_timeout+0x130/0x130
[ 861.536403][ T44] ? __lock_release.isra.0+0x59/0x170
[ 861.536520][ T44] ? usleep_range_state+0xba/0x1b0
[ 861.536631][ T44] ? schedule_hrtimeout_range_clock+0x1da/0x2f0
[ 861.536777][ T44] ? schedule_timeout_idle+0xe0/0xe0
[ 861.536896][ T44] ? __hrtimer_cb_get_time+0x50/0x50
[ 861.537016][ T44] ? lockdep_hardirqs_on+0x84/0x130
[ 861.537128][ T44] ? ktime_get+0x15e/0x220
[ 861.537242][ T44] ? kvm_clock_get_cycles+0x18/0x30
[ 861.537353][ T44] ? ktime_get+0xa9/0x220
[ 861.537440][ T44] ? usleep_range_state+0x133/0x1b0
[ 861.537555][ T44] ? schedule_hrtimeout+0x20/0x20
[ 861.537667][ T44] ? perf_trace_sched_switch+0x6d0/0x6d0
[ 861.537785][ T44] ? refill_work+0x149/0x210
[ 861.537898][ T44] ? napi_disable_locked+0x379/0x5f0
[ 861.538017][ T44] ? _mutex_trylock_nest_lock+0x340/0x340
[ 861.538130][ T44] ? register_netdevice_notifier_net+0x40/0x40
[ 861.538273][ T44] ? napi_disable+0x43/0x80
[ 861.538396][ T44] ? refill_work+0x116/0x210
[ 861.538512][ T44] ? process_one_work+0xd57/0x1390
[ 861.538629][ T44] ? pwq_dec_nr_in_flight+0x700/0x700
[ 861.538744][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 861.538859][ T44] ? assign_work+0x152/0x380
[ 861.538983][ T44] ? worker_thread+0x4d6/0xd40
[ 861.539097][ T44] ? process_one_work+0x1390/0x1390
[ 861.539213][ T44] ? __kthread_parkme+0xb3/0x200
[ 861.539327][ T44] ? process_one_work+0x1390/0x1390
[ 861.539440][ T44] ? kthread+0x355/0x5b0
[ 861.539525][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 861.539639][ T44] ? __lock_release.isra.0+0x59/0x170
[ 861.539756][ T44] ? rcu_is_watching+0x15/0xd0
[ 861.539871][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 861.539990][ T44] ? ret_from_fork+0x3fb/0x510
[ 861.540105][ T44] ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140
[ 861.540246][ T44] ? __switch_to+0x53c/0xd00
[ 861.540358][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 861.540471][ T44] ? ret_from_fork_asm+0x11/0x20
[ 861.540590][ T44]
[ 861.540684][ T44]
[ 861.540684][ T44] Showing all locks held in the system:
[ 861.540852][ T44] 3 locks held by kworker/u16:0/12:
[ 861.541064][ T44] #0: ff110000091e7148 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390
[ 861.541287][ T44] #1: ffa00000000c7cc0 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390
[ 861.541559][ T44] #2: ffffffff962859a8 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x12/0x30
[ 861.541761][ T44] 1 lock held by khungtaskd/44:
[ 861.541869][ T44] #0: ffffffff95b710c0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire.constprop.0+0x7/0x30
[ 861.542096][ T44] 3 locks held by kworker/3:2/497:
[ 861.542206][ T44] #0: ff11000001139b48 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390
[ 861.542424][ T44] #1: ffa0000000607cc0 ((work_completion)(&(&vi->refill)->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390
[ 861.542671][ T44] #2: ff11000008baac98 (&dev->lock){+.+.}-{4:4}, at: napi_disable+0x3b/0x80
[ 861.542878][ T44] 2 locks held by ip/5814:
[ 861.542991][ T44] #0: ffffffff962859a8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x6fc/0xe90
[ 861.543181][ T44] #1: ff11000008baac98 (&dev->lock){+.+.}-{4:4}, at: napi_enable+0x3b/0x80
[ 861.543380][ T44]
[ 861.543436][ T44] =============================================
[ 861.543436][ T44]