[ 615.748007][ T44] INFO: task ip:3664 blocked for more than 122 seconds.
[ 615.748637][ T44] Not tainted 6.18.0-rc7-virtme #1
[ 615.748875][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 615.749226][ T44] task:ip state:D stack:25032 pid:3664 tgid:3664 ppid:3659 task_flags:0x400100 flags:0x00080001
[ 615.749615][ T44] Call Trace:
[ 615.749772][ T44]
[ 615.749931][ T44] __schedule+0x88d/0x1b90
[ 615.750157][ T44] ? io_schedule_timeout+0x130/0x130
[ 615.750392][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 615.750613][ T44] ? __lock_release.isra.0+0x59/0x170
[ 615.750797][ T44] ? __lock_release.isra.0+0x59/0x170
[ 615.751023][ T44] schedule+0xd4/0x260
[ 615.751189][ T44] schedule_preempt_disabled+0x18/0x30
[ 615.751413][ T44] __mutex_lock+0x9ae/0x1500
[ 615.751597][ T44] ? napi_enable+0x3b/0x80
[ 615.751796][ T44] ? virtqueue_add_inbuf_ctx+0x1850/0x1850
[ 615.752031][ T44] ? ww_mutex_lock+0x160/0x160
[ 615.752210][ T44] ? __asan_memset+0x27/0x50
[ 615.752411][ T44] ? sg_init_table+0x19/0x60
[ 615.752585][ T44] ? try_fill_recv+0x3ec/0x1750
[ 615.752780][ T44] ? napi_enable+0x3b/0x80
[ 615.752975][ T44] napi_enable+0x3b/0x80
[ 615.753118][ T44] __virtnet_rx_resume+0x156/0x290
[ 615.753318][ T44] ? queue_delayed_work_on+0x91/0x100
[ 615.753491][ T44] virtnet_rx_resume_all+0xe7/0x1a0
[ 615.753686][ T44] virtnet_xdp_set+0xef7/0x1aa0
[ 615.753883][ T44] ? virtnet_xdp_set+0x1aa0/0x1aa0
[ 615.754057][ T44] dev_xdp_install+0x3e4/0x8e0
[ 615.754264][ T44] ? netif_skb_check_for_xdp+0x600/0x600
[ 615.754748][ T44] dev_xdp_attach+0x50d/0x1320
[ 615.754952][ T44] ? bpf_xdp_link_update+0x6e0/0x6e0
[ 615.755122][ T44] ? __bpf_prog_get+0x320/0x320
[ 615.755328][ T44] dev_change_xdp_fd+0x182/0x240
[ 615.755503][ T44] do_setlink.isra.0+0x1c2d/0x2880
[ 615.755699][ T44] ? rtnl_newlink_create+0x900/0x900
[ 615.755897][ T44] ? rcu_lockdep_current_cpu_online+0x3e/0x1b0
[ 615.756121][ T44] ? rcu_read_lock_any_held+0x41/0xa0
[ 615.756300][ T44] ? validate_chain+0x287/0x5f0
[ 615.756495][ T44] ? rcu_read_lock_any_held+0x6b/0xa0
[ 615.756663][ T44] ? stack_depot_save_flags+0x3e1/0x6e0
[ 615.756868][ T44] ? __lock_acquire+0x34c/0x740
[ 615.757043][ T44] ? trace_lock_acquire+0x88/0xd0
[ 615.757244][ T44] ? perf_trace_sched_switch+0x6d0/0x6d0
[ 615.757414][ T44] ? lock_acquire+0x31/0x80
[ 615.757607][ T44] ? rtnl_newlink+0x5df/0xb20
[ 615.757776][ T44] ? rcu_is_watching+0x15/0xd0
[ 615.757979][ T44] ? rcu_is_watching+0x15/0xd0
[ 615.758153][ T44] ? trace_contention_end+0xd6/0x140
[ 615.758356][ T44] ? rtnl_newlink+0x5df/0xb20
[ 615.758528][ T44] ? __mutex_lock+0x32e/0x1500
[ 615.758723][ T44] ? ww_mutex_lock+0x160/0x160
[ 615.758921][ T44] ? nla_validate_int_range+0x5b0/0x5b0
[ 615.759092][ T44] ? __rtnl_newlink+0x3fa/0xa40
[ 615.759299][ T44] rtnl_newlink+0x637/0xb20
[ 615.759470][ T44] ? __rtnl_newlink+0xa40/0xa40
[ 615.759668][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 615.759867][ T44] ? find_held_lock+0x2b/0x80
[ 615.760038][ T44] ? __rtnl_newlink+0xa40/0xa40
[ 615.760239][ T44] ? __lock_release.isra.0+0x59/0x170
[ 615.760411][ T44] ? __rtnl_newlink+0xa40/0xa40
[ 615.760608][ T44] rtnetlink_rcv_msg+0x6fe/0xb90
[ 615.760781][ T44] ? rtnl_port_fill+0x940/0x940
[ 615.760987][ T44] ? __lock_acquire+0x34c/0x740
[ 615.761160][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 615.761359][ T44] ? find_held_lock+0x2b/0x80
[ 615.761530][ T44] netlink_rcv_skb+0x123/0x380
[ 615.761724][ T44] ? rtnl_port_fill+0x940/0x940
[ 615.761924][ T44] ? netlink_ack+0xcc0/0xcc0
[ 615.762097][ T44] ? netlink_deliver_tap+0x13f/0x330
[ 615.762302][ T44] netlink_unicast+0x4a3/0x770
[ 615.762474][ T44] ? netlink_attachskb+0x810/0x810
[ 615.762668][ T44] ? __lock_acquire+0x34c/0x740
[ 615.762870][ T44] netlink_sendmsg+0x735/0xc60
[ 615.763038][ T44] ? netlink_unicast+0x770/0x770
[ 615.763236][ T44] ? __might_fault+0x97/0x140
[ 615.763413][ T44] ____sys_sendmsg+0x419/0x850
[ 615.763612][ T44] ? copy_msghdr_from_user+0x270/0x430
[ 615.763784][ T44] ? get_timestamp.constprop.0+0x3a0/0x3a0
[ 615.764016][ T44] ? move_addr_to_kernel+0x40/0x40
[ 615.764194][ T44] ? stack_depot_save_flags+0x3e1/0x6e0
[ 615.764389][ T44] ? validate_chain+0x287/0x5f0
[ 615.764561][ T44] ___sys_sendmsg+0xfd/0x180
[ 615.764753][ T44] ? __call_rcu_common.constprop.0+0xa5/0x680
[ 615.764983][ T44] ? copy_msghdr_from_user+0x430/0x430
[ 615.765167][ T44] __sys_sendmsg+0x124/0x1c0
[ 615.765369][ T44] ? __sys_sendmsg_sock+0x20/0x20
[ 615.765561][ T44] ? lockdep_hardirqs_on+0x84/0x130
[ 615.765728][ T44] ? __call_rcu_common.constprop.0+0x2fa/0x680
[ 615.765961][ T44] ? do_raw_spin_unlock+0x59/0x250
[ 615.766131][ T44] ? rcu_is_watching+0x15/0xd0
[ 615.766332][ T44] do_syscall_64+0xbb/0xfd0
[ 615.766502][ T44] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 615.766721][ T44] RIP: 0033:0x7fc46aad3c5e
[ 615.766928][ T44] RSP: 002b:00007fff734a64f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[ 615.767189][ T44] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc46aad3c5e
[ 615.767445][ T44] RDX: 0000000000000000 RSI: 00007fff734a65b0 RDI: 0000000000000003
[ 615.767693][ T44] RBP: 00007fff734a6500 R08: 0000000000000000 R09: 0000000000000000
[ 615.767953][ T44] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff734a6c70
[ 615.768210][ T44] R13: 0000000069306505 R14: 0000000000000000 R15: 0000000000499600
[ 615.768500][ T44]
[ 615.768644][ T44] INFO: task ip:3664 is blocked on a mutex likely owned by task kworker/2:1:51.
[ 615.768923][ T44] task:kworker/2:1 state:D stack:27552 pid:51 tgid:51 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 615.769271][ T44] Workqueue: events refill_work
[ 615.769443][ T44] Call Trace:
[ 615.769606][ T44]
[ 615.769717][ T44] __schedule+0x88d/0x1b90
[ 615.769926][ T44] ? io_schedule_timeout+0x130/0x130
[ 615.770095][ T44] ? usleep_range_state+0xba/0x1b0
[ 615.770295][ T44] ? find_held_lock+0x2b/0x80
[ 615.770465][ T44] ? __lock_release.isra.0+0x59/0x170
[ 615.770659][ T44] ? usleep_range_state+0xba/0x1b0
[ 615.770853][ T44] schedule+0xd4/0x260
[ 615.770993][ T44] schedule_hrtimeout_range_clock+0x1da/0x2f0
[ 615.771229][ T44] ? schedule_timeout_idle+0xe0/0xe0
[ 615.771400][ T44] ? hrtimer_cb_get_time+0x90/0x90
[ 615.771599][ T44] ? lockdep_hardirqs_on+0x84/0x130
[ 615.771767][ T44] ? ktime_get+0x15e/0x220
[ 615.771965][ T44] ? kvm_clock_get_cycles+0x18/0x30
[ 615.772130][ T44] ? ktime_get+0xa9/0x220
[ 615.772306][ T44] usleep_range_state+0x133/0x1b0
[ 615.772477][ T44] ? schedule_hrtimeout+0x20/0x20
[ 615.772670][ T44] ? perf_trace_sched_switch+0x6d0/0x6d0
[ 615.772870][ T44] napi_disable_locked+0x379/0x5f0
[ 615.773037][ T44] ? _mutex_trylock_nest_lock+0x150/0x150
[ 615.773236][ T44] ? netdev_bind_sb_channel_queue+0x470/0x470
[ 615.773460][ T44] napi_disable+0x43/0x80
[ 615.773602][ T44] refill_work+0x116/0x210
[ 615.773797][ T44] process_one_work+0xd57/0x1390
[ 615.773999][ T44] ? pwq_dec_nr_in_flight+0x700/0x700
[ 615.774167][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 615.774371][ T44] ? assign_work+0x152/0x380
[ 615.774541][ T44] worker_thread+0x4d6/0xd40
[ 615.774734][ T44] ? process_one_work+0x1390/0x1390
[ 615.774931][ T44] ? __kthread_parkme+0xb3/0x200
[ 615.775107][ T44] ? process_one_work+0x1390/0x1390
[ 615.775303][ T44] kthread+0x355/0x5b0
[ 615.775443][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 615.775634][ T44] ? __lock_release.isra.0+0x59/0x170
[ 615.775802][ T44] ? rcu_is_watching+0x15/0xd0
[ 615.776001][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 615.776170][ T44] ret_from_fork+0x1d4/0x270
[ 615.776379][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 615.776545][ T44] ret_from_fork_asm+0x11/0x20
[ 615.776745][ T44]
[ 615.776920][ T44]
[ 615.776920][ T44] Showing all locks held in the system:
[ 615.777167][ T44] 1 lock held by khungtaskd/44:
[ 615.777339][ T44] #0: ffffffffba978fc0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2b/0x1db
[ 615.777620][ T44] 3 locks held by kworker/2:1/51:
[ 615.777785][ T44] #0: ff11000001139b48 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390
[ 615.778099][ T44] #1: ffa000000037fd30 ((work_completion)(&(&vi->refill)->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390
[ 615.778433][ T44] #2: ff11000008b9ac98 (&dev->lock){+.+.}-{4:4}, at: napi_disable+0x3b/0x80
[ 615.778705][ T44] 3 locks held by kworker/u16:1/70:
[ 615.778901][ T44] #0: ff11000009124d48 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390
[ 615.779210][ T44] #1: ffa00000004b7d30 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390
[ 615.779568][ T44] #2: ffffffffbb0925e8 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x12/0x30
[ 615.779865][ T44] 2 locks held by ip/3664:
[ 615.780026][ T44] #0: ffffffffbb0925e8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x5df/0xb20
[ 615.780307][ T44] #1: ff11000008b9ac98 (&dev->lock){+.+.}-{4:4}, at: napi_enable+0x3b/0x80
[ 615.780583][ T44]
[ 615.780689][ T44] =============================================
[ 615.780689][ T44]
[ 738.627851][ T44] INFO: task kworker/u16:1:70 blocked for more than 122 seconds.
[ 738.628249][ T44] Not tainted 6.18.0-rc7-virtme #1
[ 738.628466][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 738.628769][ T44] task:kworker/u16:1 state:D stack:28040 pid:70 tgid:70 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 738.629180][ T44] Workqueue: ipv6_addrconf addrconf_verify_work
[ 738.629447][ T44] Call Trace:
[ 738.629607][ T44]
[ 738.629742][ T44] __schedule+0x88d/0x1b90
[ 738.629969][ T44] ? io_schedule_timeout+0x130/0x130
[ 738.630184][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 738.630407][ T44] ? __lock_release.isra.0+0x59/0x170
[ 738.630620][ T44] ? __lock_release.isra.0+0x59/0x170
[ 738.630800][ T44] schedule+0xd4/0x260
[ 738.630982][ T44] schedule_preempt_disabled+0x18/0x30
[ 738.631151][ T44] __mutex_lock+0x9ae/0x1500
[ 738.631355][ T44] ? addrconf_verify_work+0x12/0x30
[ 738.631530][ T44] ? ww_mutex_lock+0x160/0x160
[ 738.631729][ T44] ? process_one_work+0xd16/0x1390
[ 738.631926][ T44] ? trace_lock_acquire+0x88/0xd0
[ 738.632093][ T44] ? trace_lock_acquire+0x88/0xd0
[ 738.632293][ T44] ? addrconf_verify_work+0x12/0x30
[ 738.632468][ T44] addrconf_verify_work+0x12/0x30
[ 738.632659][ T44] process_one_work+0xd57/0x1390
[ 738.632860][ T44] ? pwq_dec_nr_in_flight+0x700/0x700
[ 738.633026][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 738.633222][ T44] ? assign_work+0x152/0x380
[ 738.633399][ T44] worker_thread+0x4d6/0xd40
[ 738.633597][ T44] ? process_one_work+0x1390/0x1390
[ 738.633771][ T44] ? __kthread_parkme+0xb3/0x200
[ 738.633973][ T44] ? process_one_work+0x1390/0x1390
[ 738.634140][ T44] kthread+0x355/0x5b0
[ 738.634305][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 738.634483][ T44] ? __lock_release.isra.0+0x59/0x170
[ 738.634673][ T44] ? rcu_is_watching+0x15/0xd0
[ 738.634868][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 738.635043][ T44] ret_from_fork+0x1d4/0x270
[ 738.635236][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 738.635413][ T44] ret_from_fork_asm+0x11/0x20
[ 738.635613][ T44]
[ 738.635764][ T44] INFO: task kworker/u16:1:70 is blocked on a mutex likely owned by task ip:3664.
[ 738.636040][ T44] INFO: task ip:3664 blocked for more than 245 seconds.
[ 738.636226][ T44] Not tainted 6.18.0-rc7-virtme #1
[ 738.636418][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 738.636677][ T44] task:ip state:D stack:25032 pid:3664 tgid:3664 ppid:3659 task_flags:0x400100 flags:0x00080001
[ 738.637013][ T44] Call Trace:
[ 738.637148][ T44]
[ 738.637282][ T44] __schedule+0x88d/0x1b90
[ 738.637455][ T44] ? io_schedule_timeout+0x130/0x130
[ 738.637656][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 738.637853][ T44] ? __lock_release.isra.0+0x59/0x170
[ 738.638020][ T44] ? __lock_release.isra.0+0x59/0x170
[ 738.638214][ T44] schedule+0xd4/0x260
[ 738.638357][ T44] schedule_preempt_disabled+0x18/0x30
[ 738.638550][ T44] __mutex_lock+0x9ae/0x1500
[ 738.638719][ T44] ? napi_enable+0x3b/0x80
[ 738.638935][ T44] ? virtqueue_add_inbuf_ctx+0x1850/0x1850
[ 738.639157][ T44] ? ww_mutex_lock+0x160/0x160
[ 738.639333][ T44] ? __asan_memset+0x27/0x50
[ 738.639529][ T44] ? sg_init_table+0x19/0x60
[ 738.639701][ T44] ? try_fill_recv+0x3ec/0x1750
[ 738.639901][ T44] ? napi_enable+0x3b/0x80
[ 738.640068][ T44] napi_enable+0x3b/0x80
[ 738.640235][ T44] __virtnet_rx_resume+0x156/0x290
[ 738.640416][ T44] ? queue_delayed_work_on+0x91/0x100
[ 738.640610][ T44] virtnet_rx_resume_all+0xe7/0x1a0
[ 738.640779][ T44] virtnet_xdp_set+0xef7/0x1aa0
[ 738.640980][ T44] ? virtnet_xdp_set+0x1aa0/0x1aa0
[ 738.641147][ T44] dev_xdp_install+0x3e4/0x8e0
[ 738.641350][ T44] ? netif_skb_check_for_xdp+0x600/0x600
[ 738.641525][ T44] dev_xdp_attach+0x50d/0x1320
[ 738.641719][ T44] ? bpf_xdp_link_update+0x6e0/0x6e0
[ 738.641914][ T44] ? __bpf_prog_get+0x320/0x320
[ 738.642085][ T44] dev_change_xdp_fd+0x182/0x240
[ 738.642282][ T44] do_setlink.isra.0+0x1c2d/0x2880
[ 738.642454][ T44] ? rtnl_newlink_create+0x900/0x900
[ 738.642645][ T44] ? rcu_lockdep_current_cpu_online+0x3e/0x1b0
[ 738.642875][ T44] ? rcu_read_lock_any_held+0x41/0xa0
[ 738.643042][ T44] ? validate_chain+0x287/0x5f0
[ 738.643235][ T44] ? rcu_read_lock_any_held+0x6b/0xa0
[ 738.643409][ T44] ? stack_depot_save_flags+0x3e1/0x6e0
[ 738.643602][ T44] ? __lock_acquire+0x34c/0x740
[ 738.643776][ T44] ? trace_lock_acquire+0x88/0xd0
[ 738.643973][ T44] ? perf_trace_sched_switch+0x6d0/0x6d0
[ 738.644145][ T44] ? lock_acquire+0x31/0x80
[ 738.644345][ T44] ? rtnl_newlink+0x5df/0xb20
[ 738.644512][ T44] ? rcu_is_watching+0x15/0xd0
[ 738.644700][ T44] ? rcu_is_watching+0x15/0xd0
[ 738.644897][ T44] ? trace_contention_end+0xd6/0x140
[ 738.645065][ T44] ? rtnl_newlink+0x5df/0xb20
[ 738.645258][ T44] ? __mutex_lock+0x32e/0x1500
[ 738.645436][ T44] ? ww_mutex_lock+0x160/0x160
[ 738.645630][ T44] ? nla_validate_int_range+0x5b0/0x5b0
[ 738.645800][ T44] ? __rtnl_newlink+0x3fa/0xa40
[ 738.646000][ T44] rtnl_newlink+0x637/0xb20
[ 738.646170][ T44] ? __rtnl_newlink+0xa40/0xa40
[ 738.646373][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 738.646539][ T44] ? find_held_lock+0x2b/0x80
[ 738.646729][ T44] ? __rtnl_newlink+0xa40/0xa40
[ 738.646924][ T44] ? __lock_release.isra.0+0x59/0x170
[ 738.647099][ T44] ? __rtnl_newlink+0xa40/0xa40
[ 738.647294][ T44] rtnetlink_rcv_msg+0x6fe/0xb90
[ 738.647473][ T44] ? rtnl_port_fill+0x940/0x940
[ 738.647665][ T44] ? __lock_acquire+0x34c/0x740
[ 738.647863][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 738.648029][ T44] ? find_held_lock+0x2b/0x80
[ 738.648223][ T44] netlink_rcv_skb+0x123/0x380
[ 738.648398][ T44] ? rtnl_port_fill+0x940/0x940
[ 738.648601][ T44] ? netlink_ack+0xcc0/0xcc0
[ 738.648774][ T44] ? netlink_deliver_tap+0x13f/0x330
[ 738.648974][ T44] netlink_unicast+0x4a3/0x770
[ 738.649144][ T44] ? netlink_attachskb+0x810/0x810
[ 738.649347][ T44] ? __lock_acquire+0x34c/0x740
[ 738.649516][ T44] netlink_sendmsg+0x735/0xc60
[ 738.649709][ T44] ? netlink_unicast+0x770/0x770
[ 738.649909][ T44] ? __might_fault+0x97/0x140
[ 738.650080][ T44] ____sys_sendmsg+0x419/0x850
[ 738.650273][ T44] ? copy_msghdr_from_user+0x270/0x430
[ 738.650446][ T44] ? get_timestamp.constprop.0+0x3a0/0x3a0
[ 738.650664][ T44] ? move_addr_to_kernel+0x40/0x40
[ 738.650861][ T44] ? stack_depot_save_flags+0x3e1/0x6e0
[ 738.651027][ T44] ? validate_chain+0x287/0x5f0
[ 738.651225][ T44] ___sys_sendmsg+0xfd/0x180
[ 738.651399][ T44] ? __call_rcu_common.constprop.0+0xa5/0x680
[ 738.651619][ T44] ? copy_msghdr_from_user+0x430/0x430
[ 738.651800][ T44] __sys_sendmsg+0x124/0x1c0
[ 738.651999][ T44] ? __sys_sendmsg_sock+0x20/0x20
[ 738.652167][ T44] ? lockdep_hardirqs_on+0x84/0x130
[ 738.652366][ T44] ? __call_rcu_common.constprop.0+0x2fa/0x680
[ 738.652597][ T44] ? do_raw_spin_unlock+0x59/0x250
[ 738.652766][ T44] ? rcu_is_watching+0x15/0xd0
[ 738.652968][ T44] do_syscall_64+0xbb/0xfd0
[ 738.653142][ T44] entry_SYSCALL_64_after_hwframe+0x4b/0x53
[ 738.653374][ T44] RIP: 0033:0x7fc46aad3c5e
[ 738.653549][ T44] RSP: 002b:00007fff734a64f0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e
[ 738.653801][ T44] RAX: ffffffffffffffda RBX: 0000000000000007 RCX: 00007fc46aad3c5e
[ 738.654061][ T44] RDX: 0000000000000000 RSI: 00007fff734a65b0 RDI: 0000000000000003
[ 738.654309][ T44] RBP: 00007fff734a6500 R08: 0000000000000000 R09: 0000000000000000
[ 738.654562][ T44] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff734a6c70
[ 738.654807][ T44] R13: 0000000069306505 R14: 0000000000000000 R15: 0000000000499600
[ 738.655077][ T44]
[ 738.655217][ T44] INFO: task ip:3664 is blocked on a mutex likely owned by task kworker/2:1:51.
[ 738.655494][ T44] task:kworker/2:1 state:D stack:27552 pid:51 tgid:51 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 738.655841][ T44] Workqueue: events refill_work
[ 738.656007][ T44] Call Trace:
[ 738.656164][ T44]
[ 738.656278][ T44] __schedule+0x88d/0x1b90
[ 738.656476][ T44] ? io_schedule_timeout+0x130/0x130
[ 738.656646][ T44] ? usleep_range_state+0xba/0x1b0
[ 738.656852][ T44] ? find_held_lock+0x2b/0x80
[ 738.657020][ T44] ? __lock_release.isra.0+0x59/0x170
[ 738.657216][ T44] ? usleep_range_state+0xba/0x1b0
[ 738.657384][ T44] schedule+0xd4/0x260
[ 738.657555][ T44] schedule_hrtimeout_range_clock+0x1da/0x2f0
[ 738.657772][ T44] ? schedule_timeout_idle+0xe0/0xe0
[ 738.657964][ T44] ? hrtimer_cb_get_time+0x90/0x90
[ 738.658132][ T44] ? lockdep_hardirqs_on+0x84/0x130
[ 738.658332][ T44] ? ktime_get+0x15e/0x220
[ 738.658499][ T44] ? kvm_clock_get_cycles+0x18/0x30
[ 738.658686][ T44] ? ktime_get+0xa9/0x220
[ 738.658859][ T44] usleep_range_state+0x133/0x1b0
[ 738.659029][ T44] ? schedule_hrtimeout+0x20/0x20
[ 738.659222][ T44] ? perf_trace_sched_switch+0x6d0/0x6d0
[ 738.659399][ T44] napi_disable_locked+0x379/0x5f0
[ 738.659590][ T44] ? _mutex_trylock_nest_lock+0x150/0x150
[ 738.659757][ T44] ? netdev_bind_sb_channel_queue+0x470/0x470
[ 738.659987][ T44] napi_disable+0x43/0x80
[ 738.660131][ T44] refill_work+0x116/0x210
[ 738.660335][ T44] process_one_work+0xd57/0x1390
[ 738.660508][ T44] ? pwq_dec_nr_in_flight+0x700/0x700
[ 738.660700][ T44] ? lock_acquire.part.0+0xbc/0x260
[ 738.660900][ T44] ? assign_work+0x152/0x380
[ 738.661071][ T44] worker_thread+0x4d6/0xd40
[ 738.661269][ T44] ? process_one_work+0x1390/0x1390
[ 738.661451][ T44] ? __kthread_parkme+0xb3/0x200
[ 738.661646][ T44] ? process_one_work+0x1390/0x1390
[ 738.661842][ T44] kthread+0x355/0x5b0
[ 738.661981][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 738.662176][ T44] ? __lock_release.isra.0+0x59/0x170
[ 738.662353][ T44] ? rcu_is_watching+0x15/0xd0
[ 738.662550][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 738.662720][ T44] ret_from_fork+0x1d4/0x270
[ 738.662923][ T44] ? kthread_is_per_cpu+0xe0/0xe0
[ 738.663090][ T44] ret_from_fork_asm+0x11/0x20
[ 738.663290][ T44]
[ 738.663447][ T44]
[ 738.663447][ T44] Showing all locks held in the system:
[ 738.663689][ T44] 1 lock held by khungtaskd/44:
[ 738.663967][ T44] #0: ffffffffba978fc0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2b/0x1db
[ 738.664246][ T44] 3 locks held by kworker/2:1/51:
[ 738.664411][ T44] #0: ff11000001139b48 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390
[ 738.664712][ T44] #1: ffa000000037fd30 ((work_completion)(&(&vi->refill)->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390
[ 738.665044][ T44] #2: ff11000008b9ac98 (&dev->lock){+.+.}-{4:4}, at: napi_disable+0x3b/0x80
[ 738.665332][ T44] 3 locks held by kworker/u16:1/70:
[ 738.665498][ T44] #0: ff11000009124d48 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0xcb4/0x1390
[ 738.665799][ T44] #1: ffa00000004b7d30 ((work_completion)(&(&net->ipv6.addr_chk_work)->work)){+.+.}-{0:0}, at: process_one_work+0xd16/0x1390
[ 738.666174][ T44] #2: ffffffffbb0925e8 (rtnl_mutex){+.+.}-{4:4}, at: addrconf_verify_work+0x12/0x30
[ 738.666468][ T44] 2 locks held by ip/3664:
[ 738.666631][ T44] #0: ffffffffbb0925e8 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x5df/0xb20
[ 738.666911][ T44] #1: ff11000008b9ac98 (&dev->lock){+.+.}-{4:4}, at: napi_enable+0x3b/0x80
[ 738.667188][ T44]
[ 738.667292][ T44] =============================================
[ 738.667292][ T44]