[ 492.858347][ T44] INFO: task ip:2458 blocked for more than 122 seconds.
[ 492.858660][ T44] Not tainted 6.18.0-virtme #1
[ 492.858806][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 492.859043][ T44] task:ip state:D stack:25520 pid:2458 tgid:2458 ppid:2453 task_flags:0x400100 flags:0x00080800
[ 492.859374][ T44] Call Trace:
[ 492.859499][ T44]
[ 492.859568][ T44] __schedule+0xae2/0x1720
[ 492.859704][ T44] ? io_schedule_timeout+0x130/0x130
[ 492.859830][ T44] ? __lock_release.isra.0+0x59/0x170
[ 492.859954][ T44] ? __lock_release.isra.0+0x59/0x170
[ 492.860080][ T44] schedule+0xd4/0x260
[ 492.860175][ T44] schedule_preempt_disabled+0x18/0x30
[ 492.860302][ T44] __mutex_lock+0xd76/0x1f20
[ 492.860434][ T44] ? napi_enable+0x3b/0x80
[ 492.860558][ T44] ? ww_mutex_lock+0x160/0x160
[ 492.860681][ T44] ? __asan_memset+0x27/0x50
[ 492.860804][ T44] ? sg_init_table+0x19/0x60
[ 492.860928][ T44] ? try_fill_recv+0x3ec/0x1750
[ 492.861052][ T44] ? napi_enable+0x3b/0x80
[ 492.861170][ T44] napi_enable+0x3b/0x80
[ 492.861263][ T44] __virtnet_rx_resume+0x156/0x290
[ 492.861384][ T44] ? queue_delayed_work_on+0x91/0x100
[ 492.861507][ T44] virtnet_rx_resume_all+0xe7/0x1a0
[ 492.861621][ T44] virtnet_xdp_set+0xef7/0x1aa0
[ 492.861740][ T44] ? virtnet_xdp_set+0x1aa0/0x1aa0
[ 492.861852][ T44] dev_xdp_install+0x3e4/0x890
[ 492.861968][ T44] ? alloc_netdev_dummy+0x30/0x30
[ 492.862089][ T44] dev_xdp_attach+0x50d/0x1310
[ 492.862277][ T44] ? bpf_xdp_link_update+0x6e0/0x6e0
[ 492.862400][ T44] ? __bpf_prog_get+0x320/0x320
[ 492.862518][ T44] dev_change_xdp_fd+0x176/0x210
[ 492.862633][ T44] do_setlink.isra.0+0x1c2d/0x2880
[ 492.862759][ T44] ? rtnl_newlink_create+0x900/0x900
[ 492.862874][ T44] ? rcu_lockdep_current_cpu_online+0x39/0x1b0
[ 492.863018][ T44] ? rcu_read_lock_any_held+0x3c/0x90
[ 492.863132][ T44] ? validate_chain+0x30f/0x8e0
[ 492.863252][ T44] ? rcu_read_lock_any_held+0x66/0x90
[ 492.863374][ T44] ? stack_depot_save_flags+0x3e1/0x6e0
[ 492.863491][ T44] ? __lock_acquire+0x577/0xc10
[ 492.863608][ T44] ? perf_trace_sched_switch+0x6d0/0x6d0
[ 492.863723][ T44] ? rtnl_newlink+0x5f9/0xb40
[ 492.863837][ T44] ? lock_acquire+0x10a/0x150
[ 492.863955][ T44] ? rcu_is_watching+0x15/0xd0
[ 492.864070][ T44] ? rcu_is_watching+0x15/0xd0
[ 492.864186][ T44] ? trace_contention_end+0xd6/0x110
[ 492.864307][ T44] ? __mutex_lock+0x285/0x1f20
[ 492.864432][ T44] ? rtnl_newlink+0x5f9/0xb40
[ 492.864553][ T44] ? ww_mutex_lock+0x160/0x160
[ 492.864669][ T44] ? nla_validate_int_range+0x5b0/0x5b0
[ 492.864786][ T44] ? __rtnl_newlink+0x3fa/0xa40
[ 492.864902][ T44] rtnl_newlink+0x649/0xb40
[ 492.865017][ T44] ? __lock_release.isra.0+0x59/0x170
[ 492.865130][ T44] ? __rtnl_newlink+0xa40/0xa40
[ 492.865248][ T44] ? __lock_acquire+0x577/0xc10
[ 492.865371][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 492.865489][ T44] ? find_held_lock+0x2b/0x80
[ 492.865603][ T44] ? __rtnl_newlink+0xa40/0xa40
[ 492.865717][ T44] ? __lock_release.isra.0+0x59/0x170
[ 492.865835][ T44] ? __rtnl_newlink+0xa40/0xa40
[ 492.865951][ T44] rtnetlink_rcv_msg+0x6fe/0xb90
[ 492.866067][ T44] ? rtnl_port_fill+0x940/0x940
[ 492.866181][ T44] ? __lock_acquire+0x577/0xc10
[ 492.866299][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 492.866416][ T44] ? find_held_lock+0x2b/0x80
[ 492.866534][ T44] netlink_rcv_skb+0x123/0x380
[ 492.866649][ T44] ? rtnl_port_fill+0x940/0x940
[ 492.866765][ T44] ? netlink_ack+0xcc0/0xcc0
[ 492.866883][ T44] ? netlink_deliver_tap+0xc5/0x330
[ 492.866997][ T44] ? netlink_deliver_tap+0x13f/0x330
[ 492.867112][ T44] netlink_unicast+0x4a3/0x770
[ 492.867228][ T44] ? netlink_attachskb+0x810/0x810
[ 492.867353][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 492.867469][ T44] ? __lock_acquire+0x577/0xc10
[ 492.867584][ T44] netlink_sendmsg+0x735/0xc60
[ 492.867700][ T44] ? netlink_unicast+0x770/0x770
[ 492.867819][ T44] ____sys_sendmsg+0x419/0x850
[ 492.867934][ T44] ? copy_msghdr_from_user+0x270/0x430
[ 492.868049][ T44] ? get_timestamp.constprop.0+0x3a0/0x3a0
[ 492.868190][ T44] ? move_addr_to_kernel+0x40/0x40
[ 492.868311][ T44] ? stack_depot_save_flags+0x3e1/0x6e0
[ 492.868430][ T44] ? rcu_read_lock_any_held+0x3c/0x90
[ 492.868546][ T44] ___sys_sendmsg+0xfd/0x180
[ 492.868658][ T44] ? __call_rcu_common.constprop.0+0xa6/0xa00
[ 492.868800][ T44] ? copy_msghdr_from_user+0x430/0x430
[ 492.868935][ T44] __sys_sendmsg+0x124/0x1c0
[ 492.869056][ T44] ? __sys_sendmsg_sock+0x20/0x20
[ 492.869169][ T44] ? lockdep_hardirqs_on+0x84/0x130
[ 492.869284][ T44] ? __call_rcu_common.constprop.0+0x3bd/0xa00
[ 492.869433][ T44] ? do_raw_spin_unlock+0x59/0x250
[ 492.869552][ T44] ? rcu_is_watching+0x15/0xd0
[ 492.869668][ T44] do_syscall_64+0xbd/0xfc0
[ 492.869783][ T44] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 492.869925][ T44] RIP: 0033:0x7fb7edf06c5e
[ 492.870052][ T44] RSP: 002b:00007ffdf55af640 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[ 492.870234][ T44] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fb7edf06c5e
[ 492.870413][ T44] RDX: 0000000000000000 RSI: 00007ffdf55af700 RDI: 0000000000000003
[ 492.870586][ T44] RBP: 00007ffdf55af650 R08: 0000000000000000 R09: 0000000000000000
[ 492.870760][ T44] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdf55afdc0
[ 492.870933][ T44] R13: 0000000069368cb4 R14: 0000000000000000 R15: 0000000000499600
[ 492.871110][ T44]
[ 492.871203][ T44] INFO: task ip:2458 is blocked on a mutex likely owned by task kworker/2:1:63.
[ 492.871401][ T44] task:kworker/2:1 state:R running task stack:27456 pid:63 tgid:63 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 492.871685][ T44] Workqueue: events refill_work
[ 492.871802][ T44] Call Trace:
[ 492.871890][ T44]
[ 492.871954][ T44] __schedule+0xae2/0x1720
[ 492.872072][ T44] ? usleep_range_state+0xba/0x1b0
[ 492.872187][ T44] ? trace_hrtimer_setup+0x34/0x160
[ 492.872309][ T44] ? __lock_release.isra.0+0x59/0x170
[ 492.872432][ T44] ? usleep_range_state+0xba/0x1b0
[ 492.872545][ T44] schedule+0xd4/0x260
[ 492.872634][ T44] schedule_hrtimeout_range_clock+0x1da/0x2f0
[ 492.872777][ T44] ? schedule_timeout_idle+0xe0/0xe0
[ 492.872896][ T44] ? lockdep_hardirqs_on+0x84/0x130
[ 492.873013][ T44] ? ktime_get+0x15e/0x220
[ 492.873131][ T44] ? kvm_clock_get_cycles+0x18/0x30
[ 492.873253][ T44] ? ktime_get+0xa9/0x220
[ 492.873345][ T44] usleep_range_state+0x133/0x1b0
[ 492.873459][ T44] ? schedule_hrtimeout+0x20/0x20
[ 492.873573][ T44] ? perf_trace_sched_switch+0x6d0/0x6d0
[ 492.873686][ T44] ? refill_work+0x149/0x210
[ 492.873803][ T44] napi_disable_locked+0x379/0x5f0
[ 492.873919][ T44] ? _mutex_trylock_nest_lock+0x340/0x340
[ 492.874031][ T44] ? netdev_bind_sb_channel_queue+0x470/0x470
[ 492.874175][ T44] napi_disable+0x43/0x80
[ 492.874265][ T44] refill_work+0x116/0x210
[ 492.874384][ T44] process_one_work+0xd57/0x1390
[ 492.874500][ T44] ? pwq_dec_nr_in_flight+0x700/0x700
[ 492.874614][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 492.874732][ T44] ? assign_work+0x152/0x380
[ 492.874846][ T44] worker_thread+0x4d6/0xd40
[ 492.874960][ T44] ? process_one_work+0x1390/0x1390
[ 492.875074][ T44] ? __kthread_parkme+0xb3/0x200
[ 492.875189][ T44] ? process_one_work+0x1390/0x1390
[ 492.875306][ T44] kthread+0x355/0x5b0
[ 492.875397][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 492.875510][ T44] ? __lock_release.isra.0+0x59/0x170
[ 492.875633][ T44] ? rcu_is_watching+0x15/0xd0
[ 492.875745][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 492.875860][ T44] ret_from_fork+0x3fb/0x510
[ 492.875974][ T44] ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140
[ 492.876118][ T44] ? __switch_to+0x602/0xd00
[ 492.876236][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 492.876356][ T44] ret_from_fork_asm+0x11/0x20
[ 492.876478][ T44]
[ 492.876564][ T44]
[ 492.876564][ T44] Showing all locks held in the system:
[ 492.876725][ T44] 3 locks held by kworker/u16:0/12:
[ 492.876837][ T44] #0: ff110000091be548 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390
[ 492.877056][ T44] #1: ffa00000000c7cc0 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390
[ 492.877340][ T44] #2: ffffffff9de78aa8 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x12/0x30
[ 492.877537][ T44] 1 lock held by khungtaskd/44:
[ 492.877645][ T44] #0: ffffffff9d770ba0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire.constprop.0+0x7/0x30
[ 492.877868][ T44] 3 locks held by kworker/2:1/63:
[ 492.877981][ T44] 2 locks held by ip/2458:
[ 492.878091][ T44] #0: ffffffff9de78aa8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x5f9/0xb40
[ 492.878285][ T44] #1: ff11000008a7ac98 (&dev->lock){+.+.}-{4:4}, at: napi_enable+0x3b/0x80
[ 492.878483][ T44]
[ 492.878541][ T44] =============================================
[ 492.878541][ T44]
[ 615.738331][ T44] INFO: task kworker/u16:0:12 blocked for more than 122 seconds.
[ 615.738606][ T44] Not tainted 6.18.0-virtme #1
[ 615.738740][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 615.738968][ T44] task:kworker/u16:0 state:D stack:27936 pid:12 tgid:12 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 615.739280][ T44] Workqueue: ipv6_addrconf addrconf_verify_work
[ 615.739475][ T44] Call Trace:
[ 615.739585][ T44]
[ 615.739657][ T44] __schedule+0xae2/0x1720
[ 615.739787][ T44] ? io_schedule_timeout+0x130/0x130
[ 615.739910][ T44] ? __lock_release.isra.0+0x59/0x170
[ 615.740031][ T44] ? __lock_release.isra.0+0x59/0x170
[ 615.740156][ T44] schedule+0xd4/0x260
[ 615.740248][ T44] schedule_preempt_disabled+0x18/0x30
[ 615.740378][ T44] __mutex_lock+0xd76/0x1f20
[ 615.740503][ T44] ? addrconf_verify_work+0x12/0x30
[ 615.740627][ T44] ? ww_mutex_lock+0x160/0x160
[ 615.740751][ T44] ? process_one_work+0xd16/0x1390
[ 615.740869][ T44] ? rcu_is_watching+0x15/0xd0
[ 615.740984][ T44] ? rcu_is_watching+0x15/0xd0
[ 615.741104][ T44] ? addrconf_verify_work+0x12/0x30
[ 615.741221][ T44] addrconf_verify_work+0x12/0x30
[ 615.741346][ T44] process_one_work+0xd57/0x1390
[ 615.741465][ T44] ? pwq_dec_nr_in_flight+0x700/0x700
[ 615.741582][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 615.741699][ T44] ? assign_work+0x152/0x380
[ 615.741815][ T44] worker_thread+0x4d6/0xd40
[ 615.741932][ T44] ? process_one_work+0x1390/0x1390
[ 615.742045][ T44] kthread+0x355/0x5b0
[ 615.742135][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 615.742251][ T44] ? __lock_release.isra.0+0x59/0x170
[ 615.742375][ T44] ? rcu_is_watching+0x15/0xd0
[ 615.742488][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 615.742600][ T44] ret_from_fork+0x3fb/0x510
[ 615.742713][ T44] ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140
[ 615.742852][ T44] ? __switch_to+0x602/0xd00
[ 615.742965][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 615.743081][ T44] ret_from_fork_asm+0x11/0x20
[ 615.743199][ T44]
[ 615.743292][ T44] INFO: task kworker/u16:0:12 is blocked on a mutex likely owned by task ip:2458.
[ 615.743490][ T44] INFO: task ip:2458 blocked for more than 245 seconds.
[ 615.743622][ T44] Not tainted 6.18.0-virtme #1
[ 615.743727][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 615.743909][ T44] task:ip state:D stack:25520 pid:2458 tgid:2458 ppid:2453 task_flags:0x400100 flags:0x00080800
[ 615.744151][ T44] Call Trace:
[ 615.744235][ T44]
[ 615.744293][ T44] __schedule+0xae2/0x1720
[ 615.744414][ T44] ? io_schedule_timeout+0x130/0x130
[ 615.744529][ T44] ? __lock_release.isra.0+0x59/0x170
[ 615.744644][ T44] ? __lock_release.isra.0+0x59/0x170
[ 615.744759][ T44] schedule+0xd4/0x260
[ 615.744846][ T44] schedule_preempt_disabled+0x18/0x30
[ 615.744959][ T44] __mutex_lock+0xd76/0x1f20
[ 615.745075][ T44] ? napi_enable+0x3b/0x80
[ 615.745189][ T44] ? ww_mutex_lock+0x160/0x160
[ 615.745302][ T44] ? __asan_memset+0x27/0x50
[ 615.745427][ T44] ? sg_init_table+0x19/0x60
[ 615.745548][ T44] ? try_fill_recv+0x3ec/0x1750
[ 615.745667][ T44] ? napi_enable+0x3b/0x80
[ 615.745782][ T44] napi_enable+0x3b/0x80
[ 615.745869][ T44] __virtnet_rx_resume+0x156/0x290
[ 615.745985][ T44] ? queue_delayed_work_on+0x91/0x100
[ 615.746100][ T44] virtnet_rx_resume_all+0xe7/0x1a0
[ 615.746216][ T44] virtnet_xdp_set+0xef7/0x1aa0
[ 615.746354][ T44] ? virtnet_xdp_set+0x1aa0/0x1aa0
[ 615.746466][ T44] dev_xdp_install+0x3e4/0x890
[ 615.746581][ T44] ? alloc_netdev_dummy+0x30/0x30
[ 615.746699][ T44] dev_xdp_attach+0x50d/0x1310
[ 615.746816][ T44] ? bpf_xdp_link_update+0x6e0/0x6e0
[ 615.746930][ T44] ? __bpf_prog_get+0x320/0x320
[ 615.747046][ T44] dev_change_xdp_fd+0x176/0x210
[ 615.747161][ T44] do_setlink.isra.0+0x1c2d/0x2880
[ 615.747279][ T44] ? rtnl_newlink_create+0x900/0x900
[ 615.747401][ T44] ? rcu_lockdep_current_cpu_online+0x39/0x1b0
[ 615.747544][ T44] ? rcu_read_lock_any_held+0x3c/0x90
[ 615.747660][ T44] ? validate_chain+0x30f/0x8e0
[ 615.747779][ T44] ? rcu_read_lock_any_held+0x66/0x90
[ 615.747898][ T44] ? stack_depot_save_flags+0x3e1/0x6e0
[ 615.748015][ T44] ? __lock_acquire+0x577/0xc10
[ 615.748134][ T44] ? perf_trace_sched_switch+0x6d0/0x6d0
[ 615.748249][ T44] ? rtnl_newlink+0x5f9/0xb40
[ 615.748371][ T44] ? lock_acquire+0x10a/0x150
[ 615.748483][ T44] ? rcu_is_watching+0x15/0xd0
[ 615.748595][ T44] ? rcu_is_watching+0x15/0xd0
[ 615.748708][ T44] ? trace_contention_end+0xd6/0x110
[ 615.748822][ T44] ? __mutex_lock+0x285/0x1f20
[ 615.748941][ T44] ? rtnl_newlink+0x5f9/0xb40
[ 615.749054][ T44] ? ww_mutex_lock+0x160/0x160
[ 615.749168][ T44] ? nla_validate_int_range+0x5b0/0x5b0
[ 615.749283][ T44] ? __rtnl_newlink+0x3fa/0xa40
[ 615.749410][ T44] rtnl_newlink+0x649/0xb40
[ 615.749525][ T44] ? __lock_release.isra.0+0x59/0x170
[ 615.749639][ T44] ? __rtnl_newlink+0xa40/0xa40
[ 615.749756][ T44] ? __lock_acquire+0x577/0xc10
[ 615.749872][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 615.749986][ T44] ? find_held_lock+0x2b/0x80
[ 615.750101][ T44] ? __rtnl_newlink+0xa40/0xa40
[ 615.750215][ T44] ? __lock_release.isra.0+0x59/0x170
[ 615.750336][ T44] ? __rtnl_newlink+0xa40/0xa40
[ 615.750450][ T44] rtnetlink_rcv_msg+0x6fe/0xb90
[ 615.750564][ T44] ? rtnl_port_fill+0x940/0x940
[ 615.750678][ T44] ? __lock_acquire+0x577/0xc10
[ 615.750792][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 615.750906][ T44] ? find_held_lock+0x2b/0x80
[ 615.751020][ T44] netlink_rcv_skb+0x123/0x380
[ 615.751135][ T44] ? rtnl_port_fill+0x940/0x940
[ 615.751249][ T44] ? netlink_ack+0xcc0/0xcc0
[ 615.751377][ T44] ? netlink_deliver_tap+0xc5/0x330
[ 615.751491][ T44] ? netlink_deliver_tap+0x13f/0x330
[ 615.751608][ T44] netlink_unicast+0x4a3/0x770
[ 615.751722][ T44] ? netlink_attachskb+0x810/0x810
[ 615.751837][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 615.751949][ T44] ? __lock_acquire+0x577/0xc10
[ 615.752064][ T44] netlink_sendmsg+0x735/0xc60
[ 615.752182][ T44] ? netlink_unicast+0x770/0x770
[ 615.752302][ T44] ____sys_sendmsg+0x419/0x850
[ 615.752425][ T44] ? copy_msghdr_from_user+0x270/0x430
[ 615.752537][ T44] ? get_timestamp.constprop.0+0x3a0/0x3a0
[ 615.752679][ T44] ? move_addr_to_kernel+0x40/0x40
[ 615.752794][ T44] ? stack_depot_save_flags+0x3e1/0x6e0
[ 615.752906][ T44] ? rcu_read_lock_any_held+0x3c/0x90
[ 615.753021][ T44] ___sys_sendmsg+0xfd/0x180
[ 615.753133][ T44] ? __call_rcu_common.constprop.0+0xa6/0xa00
[ 615.753277][ T44] ? copy_msghdr_from_user+0x430/0x430
[ 615.753416][ T44] __sys_sendmsg+0x124/0x1c0
[ 615.753533][ T44] ? __sys_sendmsg_sock+0x20/0x20
[ 615.753648][ T44] ? lockdep_hardirqs_on+0x84/0x130
[ 615.753763][ T44] ? __call_rcu_common.constprop.0+0x3bd/0xa00
[ 615.753907][ T44] ? do_raw_spin_unlock+0x59/0x250
[ 615.754025][ T44] ? rcu_is_watching+0x15/0xd0
[ 615.754141][ T44] do_syscall_64+0xbd/0xfc0
[ 615.754255][ T44] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 615.754406][ T44] RIP: 0033:0x7fb7edf06c5e
[ 615.754525][ T44] RSP: 002b:00007ffdf55af640 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[ 615.754696][ T44] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fb7edf06c5e
[ 615.754867][ T44] RDX: 0000000000000000 RSI: 00007ffdf55af700 RDI: 0000000000000003
[ 615.755038][ T44] RBP: 00007ffdf55af650 R08: 0000000000000000 R09: 0000000000000000
[ 615.755206][ T44] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffdf55afdc0
[ 615.755382][ T44] R13: 0000000069368cb4 R14: 0000000000000000 R15: 0000000000499600
[ 615.755557][ T44]
[ 615.755649][ T44] INFO: task ip:2458 is blocked on a mutex likely owned by task kworker/2:1:63.
[ 615.755833][ T44] task:kworker/2:1 state:D stack:27456 pid:63 tgid:63 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 615.756079][ T44] Workqueue: events refill_work
[ 615.756191][ T44] Call Trace:
[ 615.756276][ T44]
[ 615.756344][ T44] __schedule+0xae2/0x1720
[ 615.756462][ T44] ? io_schedule_timeout+0x130/0x130
[ 615.756578][ T44] ? __lock_release.isra.0+0x59/0x170
[ 615.756693][ T44] ? usleep_range_state+0xba/0x1b0
[ 615.756806][ T44] schedule+0xd4/0x260
[ 615.756892][ T44] schedule_hrtimeout_range_clock+0x1da/0x2f0
[ 615.757034][ T44] ? schedule_timeout_idle+0xe0/0xe0
[ 615.757151][ T44] ? __hrtimer_cb_get_time+0x50/0x50
[ 615.757269][ T44] ? lockdep_hardirqs_on+0x84/0x130
[ 615.757389][ T44] ? ktime_get+0x15e/0x220
[ 615.757504][ T44] ? kvm_clock_get_cycles+0x18/0x30
[ 615.757619][ T44] ? ktime_get+0xa9/0x220
[ 615.757706][ T44] usleep_range_state+0x133/0x1b0
[ 615.757826][ T44] ? schedule_hrtimeout+0x20/0x20
[ 615.757940][ T44] ? perf_trace_sched_switch+0x6d0/0x6d0
[ 615.758056][ T44] ? refill_work+0x149/0x210
[ 615.758173][ T44] napi_disable_locked+0x379/0x5f0
[ 615.758287][ T44] ? _mutex_trylock_nest_lock+0x340/0x340
[ 615.758409][ T44] ? netdev_bind_sb_channel_queue+0x470/0x470
[ 615.758554][ T44] napi_disable+0x43/0x80
[ 615.758640][ T44] refill_work+0x116/0x210
[ 615.758757][ T44] process_one_work+0xd57/0x1390
[ 615.758879][ T44] ? pwq_dec_nr_in_flight+0x700/0x700
[ 615.758993][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 615.759109][ T44] ? assign_work+0x152/0x380
[ 615.759223][ T44] worker_thread+0x4d6/0xd40
[ 615.759348][ T44] ? process_one_work+0x1390/0x1390
[ 615.759461][ T44] ? __kthread_parkme+0xb3/0x200
[ 615.759577][ T44] ? process_one_work+0x1390/0x1390
[ 615.759691][ T44] kthread+0x355/0x5b0
[ 615.759776][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 615.759888][ T44] ? __lock_release.isra.0+0x59/0x170
[ 615.760001][ T44] ? rcu_is_watching+0x15/0xd0
[ 615.760115][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 615.760230][ T44] ret_from_fork+0x3fb/0x510
[ 615.760350][ T44] ? arch_exit_to_user_mode_prepare.isra.0+0x140/0x140
[ 615.760491][ T44] ? __switch_to+0x602/0xd00
[ 615.760605][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 615.760719][ T44] ret_from_fork_asm+0x11/0x20
[ 615.760839][ T44]
[ 615.760923][ T44]
[ 615.760923][ T44] Showing all locks held in the system:
[ 615.761084][ T44] 3 locks held by kworker/u16:0/12:
[ 615.761192][ T44] #0: ff110000091be548 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390
[ 615.761423][ T44] #1: ffa00000000c7cc0 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390
[ 615.761698][ T44] #2: ffffffff9de78aa8 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x12/0x30
[ 615.761893][ T44] 1 lock held by khungtaskd/44:
[ 615.761999][ T44] #0: ffffffff9d770ba0 (rcu_read_lock){....}-{1:3}, at: rcu_lock_acquire.constprop.0+0x7/0x30
[ 615.762216][ T44] 3 locks held by kworker/2:1/63:
[ 615.762338][ T44] 2 locks held by ip/2458:
[ 615.762446][ T44] #0: ffffffff9de78aa8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x5f9/0xb40
[ 615.762637][ T44] #1: ff11000008a7ac98 (&dev->lock){+.+.}-{4:4}, at: napi_enable+0x3b/0x80
[ 615.762828][ T44]
[ 615.762883][ T44] =============================================
[ 615.762883][ T44]