======================================
| [ 615.952027][T11151] vx0: entered allmulticast mode
| [ 615.952829][T11151] vx0: entered promiscuous mode
| [ 615.953238][T11151] br0: port 2(vx0) entered blocking state
| [ 615.953399][T11151] br0: port 2(vx0) entered forwarding state
| [ 621.476414][ T39] br0: port 1(swp1) entered disabled state
[ 861.640358][ T44] INFO: task kworker/u20:0:39 blocked for more than 122 seconds.
[ 861.640549][ T44] Not tainted 7.1.0-rc5-virtme #1
[ 861.640623][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 861.640744][ T44] task:kworker/u20:0 state:D stack:27504 pid:39 tgid:39 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 861.640901][ T44] Workqueue: events_unbound linkwatch_event
[ 861.640995][ T44] Call Trace:
[ 861.641047][ T44]
[ 861.641084][ T44] __schedule (kernel/sched/core.c:5388 kernel/sched/core.c:7189)
[ 861.641166][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 861.641235][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 861.641310][ T44] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 861.641397][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 861.641472][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 861.641540][ T44] schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[ 861.641595][ T44] schedule_preempt_disabled (kernel/sched/core.c:7340)
[ 861.641667][ T44] __mutex_lock (kernel/locking/mutex.c:726 kernel/locking/mutex.c:820)
[ 861.641735][ T44] ? __ethtool_get_link_ksettings (./include/linux/netdevice.h:2835 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/ethtool/ioctl.c:462)
[ 861.641818][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 861.641888][ T44] ? __smp_call_single_queue (./arch/x86/include/asm/smp.h:95 kernel/smp.c:120 kernel/smp.c:427)
[ 861.641955][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 861.642027][ T44] ? do_raw_write_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qrwlock.h:98 kernel/locking/spinlock_debug.c:211)
[ 861.642095][ T44] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180)
[ 861.642164][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 861.642253][ T44] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[ 861.642343][ T44] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[ 861.642424][ T44] ? __local_bh_enable_ip (kernel/softirq.c:455)
[ 861.642496][ T44] ? fib6_walk (net/ipv6/ip6_fib.c:89 net/ipv6/ip6_fib.c:2229)
[ 861.642567][ T44] ? __ethtool_get_link_ksettings (./include/linux/netdevice.h:2835 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/ethtool/ioctl.c:462)
[ 861.642653][ T44] __ethtool_get_link_ksettings (./include/linux/netdevice.h:2835 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/ethtool/ioctl.c:462)
[ 861.642737][ T44] ? fib6_walk (./include/linux/list.h:262 net/ipv6/ip6_fib.c:88 net/ipv6/ip6_fib.c:2229)
[ 861.642803][ T44] port_cost (net/bridge/br_if.c:39)
[ 861.642859][ T44] ? br_multicast_flood (??:?)
[ 861.642933][ T44] ? fib6_del (net/ipv6/ip6_fib.c:2077)
[ 861.642987][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 861.643062][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 861.643128][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 861.643194][ T44] br_port_carrier_check (net/bridge/br_if.c:80)
[ 861.643261][ T44] br_device_event (net/bridge/br.c:101)
[ 861.643334][ T44] ? fib6_ifdown (net/ipv6/route.c:4962)
[ 861.643403][ T44] ? packet_sendmsg_spkt (af_packet.c:?)
[ 861.643470][ T44] ? addrconf_notify (net/ipv6/addrconf.c:3755)
[ 861.643540][ T44] notifier_call_chain (kernel/notifier.c:85)
[ 861.643609][ T44] netif_state_change (net/core/dev.c:1603)
[ 861.643677][ T44] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[ 861.643767][ T44] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[ 861.643839][ T44] __linkwatch_run_queue (net/core/link_watch.c:240)
[ 861.643905][ T44] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[ 861.643973][ T44] ? debug_object_active_state (lib/debugobjects.c:1077)
[ 861.644057][ T44] linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[ 861.644124][ T44] ? __linkwatch_run_queue (net/core/link_watch.c:213)
[ 861.644191][ T44] process_one_work (kernel/workqueue.c:3314)
[ 861.644260][ T44] ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[ 861.644330][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 861.644402][ T44] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 861.644472][ T44] worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[ 861.644541][ T44] ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[ 861.644611][ T44] kthread (kernel/kthread.c:436)
[ 861.644666][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 861.644749][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 861.644820][ T44] ret_from_fork (arch/x86/kernel/process.c:158)
[ 861.644890][ T44] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[ 861.644977][ T44] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[ 861.645045][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 861.645113][ T44] ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [ 861.645184][ T44]
| [ 861.645239][ T44] INFO: task kworker/u20:0:39 is blocked on a mutex likely owned by task kworker/u20:0:39.
[ 861.645378][ T44] INFO: task bridge:11196 blocked for more than 122 seconds.
[ 861.645471][ T44] Not tainted 7.1.0-rc5-virtme #1
[ 861.645534][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 861.645642][ T44] task:bridge state:D stack:25840 pid:11196 tgid:11196 ppid:11195 task_flags:0x400100 flags:0x00080000
[ 861.645788][ T44] Call Trace:
[ 861.645837][ T44]
[ 861.645872][ T44] __schedule (kernel/sched/core.c:5388 kernel/sched/core.c:7189)
[ 861.645938][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 861.646009][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 861.646077][ T44] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 861.646143][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 861.646209][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 861.646277][ T44] schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[ 861.646330][ T44] schedule_preempt_disabled (kernel/sched/core.c:7340)
[ 861.646402][ T44] __mutex_lock (kernel/locking/mutex.c:726 kernel/locking/mutex.c:820)
[ 861.646468][ T44] ? rtnl_dump_ifinfo (net/core/rtnetlink.c:80 net/core/rtnetlink.c:2554)
[ 861.646543][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 861.646612][ T44] ? nla_get_range_signed (lib/nlattr.c:270)
[ 861.646679][ T44] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[ 861.646761][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 861.646826][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 861.646891][ T44] ? __nla_validate_parse (lib/nlattr.c:635)
[ 861.646959][ T44] ? rtnl_dump_ifinfo (net/core/rtnetlink.c:80 net/core/rtnetlink.c:2554)
[ 861.647028][ T44] rtnl_dump_ifinfo (net/core/rtnetlink.c:80 net/core/rtnetlink.c:2554)
[ 861.647095][ T44] ? rtnl_fill_ifinfo.isra.0 (net/core/rtnetlink.c:2212)
[ 861.647176][ T44] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[ 861.647243][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 861.647309][ T44] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[ 861.647390][ T44] ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[ 861.647458][ T44] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[ 861.647526][ T44] ? __kmalloc_node_track_caller_noprof (mm/slub.c:5297 mm/slub.c:5408)
[ 861.647610][ T44] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[ 861.647678][ T44] ? __alloc_skb (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:67 net/core/skbuff.c:408 net/core/skbuff.c:720)
[ 861.647745][ T44] ? __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:695 (discriminator 2))
[ 861.647811][ T44] ? napi_skb_cache_get (./include/linux/local_lock_internal.h:61)
[ 861.647878][ T44] rtnl_dumpit (net/core/rtnetlink.c:6931)
[ 861.647932][ T44] netlink_dump (net/netlink/af_netlink.c:2331)
[ 861.648002][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 861.648072][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 861.648139][ T44] ? netlink_lookup (./include/linux/refcount.h:291)
[ 861.648206][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 861.648272][ T44] __netlink_dump_start (net/netlink/af_netlink.c:2446)
[ 861.648343][ T44] ? rtnl_fill_ifinfo.isra.0 (net/core/rtnetlink.c:2212)
[ 861.648436][ T44] rtnetlink_rcv_msg (./include/linux/netlink.h:341 net/core/rtnetlink.c:6960 net/core/rtnetlink.c:7027)
[ 861.648506][ T44] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[ 861.648573][ T44] ? rtnl_unlock (net/core/rtnetlink.c:157)
[ 861.648642][ T44] ? rtnl_fill_ifinfo.isra.0 (net/core/rtnetlink.c:2212)
[ 861.648724][ T44] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[ 861.648791][ T44] netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[ 861.648858][ T44] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[ 861.648925][ T44] ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[ 861.648991][ T44] ? netlink_ack (./include/linux/skbuff.h:2720)
[ 861.649057][ T44] ? __netlink_lookup (./include/linux/rcupdate.h:839 ./include/linux/rhashtable.h:708 net/netlink/af_netlink.c:499)
[ 861.649125][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 861.649193][ T44] ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[ 861.649259][ T44] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[ 861.649331][ T44] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[ 861.649404][ T44] netlink_sendmsg (net/netlink/af_netlink.c:1900)
[ 861.649471][ T44] ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[ 861.649538][ T44] ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 6))
[ 861.649607][ T44] ? do_anonymous_page (./include/linux/pgtable.h:117 mm/memory.c:5433)
[ 861.649682][ T44] __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[ 861.649755][ T44] ? __ia32_sys_getpeername (net/socket.c:2219)
[ 861.649823][ T44] ? __pmd_alloc (./include/linux/mm.h:1682)
[ 861.649894][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 861.649960][ T44] ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[ 861.650027][ T44] __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[ 861.650097][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 861.650181][ T44] ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[ 861.650266][ T44] ? irqentry_exit (./include/linux/irq-entry-common.h:272 ./include/linux/irq-entry-common.h:317 kernel/entry/common.c:162)
[ 861.650336][ T44] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[ 861.650409][ T44] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[ 861.650476][ T44] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[ 861.650547][ T44] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[ 861.650613][ T44] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[ 861.650695][ T44] RIP: 0033:0x7f71245f408e
[ 861.650766][ T44] RSP: 002b:00007fff8afed400 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 861.650882][ T44] RAX: ffffffffffffffda RBX: 00007fff8afed668 RCX: 00007f71245f408e
[ 861.650985][ T44] RDX: 0000000000000028 RSI: 00007fff8afed460 RDI: 0000000000000005
[ 861.651085][ T44] RBP: 00007fff8afed410 R08: 0000000000000000 R09: 0000000000000000
[ 861.651187][ T44] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff8afed658
[ 861.651290][ T44] R13: 0000000000000009 R14: 00007f7124898000 R15: 0000000000423c78
| [ 861.651400][ T44]
| [ 861.651451][ T44] INFO: task bridge:11196 is blocked on a mutex likely owned by task kworker/u20:0:39.
| [ 861.651566][ T44] INFO: lockdep is turned off.
[ 984.519356][ T44] INFO: task kworker/u16:0:12 blocked for more than 122 seconds.
[ 984.519522][ T44] Not tainted 7.1.0-rc5-virtme #1
[ 984.519589][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 984.519698][ T44] task:kworker/u16:0 state:D stack:24224 pid:12 tgid:12 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 984.519845][ T44] Workqueue: ipv6_addrconf addrconf_verify_work
[ 984.519929][ T44] Call Trace:
[ 984.519983][ T44]
[ 984.520018][ T44] __schedule (kernel/sched/core.c:5388 kernel/sched/core.c:7189)
[ 984.520086][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 984.520153][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 984.520221][ T44] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 984.520288][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 984.520360][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 984.520431][ T44] schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[ 984.520484][ T44] schedule_preempt_disabled (kernel/sched/core.c:7340)
[ 984.520552][ T44] __mutex_lock (kernel/locking/mutex.c:726 kernel/locking/mutex.c:820)
[ 984.520619][ T44] ? addrconf_verify_work (./include/linux/rtnetlink.h:130 net/ipv6/addrconf.c:4761)
[ 984.520685][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 984.520751][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 984.520818][ T44] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[ 984.520900][ T44] ? debug_object_deactivate (lib/debugobjects.c:915 (discriminator 3))
[ 984.520977][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 984.521044][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 984.521111][ T44] ? addrconf_verify_work (./include/linux/rtnetlink.h:130 net/ipv6/addrconf.c:4761)
[ 984.521178][ T44] addrconf_verify_work (./include/linux/rtnetlink.h:130 net/ipv6/addrconf.c:4761)
[ 984.521245][ T44] process_one_work (kernel/workqueue.c:3314)
[ 984.521315][ T44] ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[ 984.521391][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 984.521460][ T44] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 984.521532][ T44] worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[ 984.521605][ T44] ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[ 984.521675][ T44] kthread (kernel/kthread.c:436)
[ 984.521726][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 984.521809][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 984.521876][ T44] ret_from_fork (arch/x86/kernel/process.c:158)
[ 984.521944][ T44] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[ 984.522028][ T44] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[ 984.522094][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 984.522160][ T44] ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [ 984.522228][ T44]
| [ 984.522280][ T44] INFO: task kworker/u16:0:12 is blocked on a mutex likely owned by task kworker/u20:0:39.
[ 984.522414][ T44] INFO: task kworker/u20:0:39 blocked for more than 245 seconds.
[ 984.522509][ T44] Not tainted 7.1.0-rc5-virtme #1
[ 984.522571][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 984.522676][ T44] task:kworker/u20:0 state:D stack:27504 pid:39 tgid:39 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 984.522822][ T44] Workqueue: events_unbound linkwatch_event
[ 984.522904][ T44] Call Trace:
[ 984.522960][ T44]
[ 984.522994][ T44] __schedule (kernel/sched/core.c:5388 kernel/sched/core.c:7189)
[ 984.523061][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 984.523132][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 984.523200][ T44] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 984.523268][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 984.523334][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 984.523406][ T44] schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[ 984.523460][ T44] schedule_preempt_disabled (kernel/sched/core.c:7340)
[ 984.523527][ T44] __mutex_lock (kernel/locking/mutex.c:726 kernel/locking/mutex.c:820)
[ 984.523597][ T44] ? __ethtool_get_link_ksettings (./include/linux/netdevice.h:2835 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/ethtool/ioctl.c:462)
[ 984.523684][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 984.523751][ T44] ? __smp_call_single_queue (./arch/x86/include/asm/smp.h:95 kernel/smp.c:120 kernel/smp.c:427)
[ 984.523818][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 984.523887][ T44] ? do_raw_write_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qrwlock.h:98 kernel/locking/spinlock_debug.c:211)
[ 984.523957][ T44] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180)
[ 984.524024][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 984.524106][ T44] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[ 984.524194][ T44] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[ 984.524259][ T44] ? __local_bh_enable_ip (kernel/softirq.c:455)
[ 984.524327][ T44] ? fib6_walk (net/ipv6/ip6_fib.c:89 net/ipv6/ip6_fib.c:2229)
[ 984.524401][ T44] ? __ethtool_get_link_ksettings (./include/linux/netdevice.h:2835 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/ethtool/ioctl.c:462)
[ 984.524490][ T44] __ethtool_get_link_ksettings (./include/linux/netdevice.h:2835 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/ethtool/ioctl.c:462)
[ 984.524572][ T44] ? fib6_walk (./include/linux/list.h:262 net/ipv6/ip6_fib.c:88 net/ipv6/ip6_fib.c:2229)
[ 984.524639][ T44] port_cost (net/bridge/br_if.c:39)
[ 984.524690][ T44] ? br_multicast_flood (??:?)
[ 984.524756][ T44] ? fib6_del (net/ipv6/ip6_fib.c:2077)
[ 984.524807][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 984.524874][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 984.524941][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 984.525012][ T44] br_port_carrier_check (net/bridge/br_if.c:80)
[ 984.525079][ T44] br_device_event (net/bridge/br.c:101)
[ 984.525147][ T44] ? fib6_ifdown (net/ipv6/route.c:4962)
[ 984.525213][ T44] ? packet_sendmsg_spkt (af_packet.c:?)
[ 984.525279][ T44] ? addrconf_notify (net/ipv6/addrconf.c:3755)
[ 984.525345][ T44] notifier_call_chain (kernel/notifier.c:85)
[ 984.525422][ T44] netif_state_change (net/core/dev.c:1603)
[ 984.525491][ T44] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[ 984.525575][ T44] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[ 984.525641][ T44] __linkwatch_run_queue (net/core/link_watch.c:240)
[ 984.525707][ T44] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[ 984.525773][ T44] ? debug_object_active_state (lib/debugobjects.c:1077)
[ 984.525854][ T44] linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[ 984.525925][ T44] ? __linkwatch_run_queue (net/core/link_watch.c:213)
[ 984.525993][ T44] process_one_work (kernel/workqueue.c:3314)
[ 984.526061][ T44] ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[ 984.526128][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 984.526194][ T44] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 984.526261][ T44] worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[ 984.526328][ T44] ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[ 984.526404][ T44] kthread (kernel/kthread.c:436)
[ 984.526455][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 984.526539][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 984.526605][ T44] ret_from_fork (arch/x86/kernel/process.c:158)
[ 984.526670][ T44] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[ 984.526753][ T44] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[ 984.526823][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 984.526890][ T44] ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [ 984.526957][ T44]
| [ 984.527010][ T44] INFO: task kworker/u20:0:39 is blocked on a mutex likely owned by task kworker/u20:0:39.
[ 984.527140][ T44] INFO: task bridge:11196 blocked for more than 245 seconds.
[ 984.527234][ T44] Not tainted 7.1.0-rc5-virtme #1
[ 984.527296][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 984.527412][ T44] task:bridge state:D stack:25840 pid:11196 tgid:11196 ppid:11195 task_flags:0x400100 flags:0x00080000
[ 984.527563][ T44] Call Trace:
[ 984.527612][ T44]
[ 984.527646][ T44] __schedule (kernel/sched/core.c:5388 kernel/sched/core.c:7189)
[ 984.527714][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 984.527781][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 984.527846][ T44] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 984.527913][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 984.527981][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 984.528047][ T44] schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[ 984.528098][ T44] schedule_preempt_disabled (kernel/sched/core.c:7340)
[ 984.528165][ T44] __mutex_lock (kernel/locking/mutex.c:726 kernel/locking/mutex.c:820)
[ 984.528231][ T44] ? rtnl_dump_ifinfo (net/core/rtnetlink.c:80 net/core/rtnetlink.c:2554)
[ 984.528297][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 984.528366][ T44] ? nla_get_range_signed (lib/nlattr.c:270)
[ 984.528437][ T44] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[ 984.528520][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 984.528586][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 984.528653][ T44] ? __nla_validate_parse (lib/nlattr.c:635)
[ 984.528722][ T44] ? rtnl_dump_ifinfo (net/core/rtnetlink.c:80 net/core/rtnetlink.c:2554)
[ 984.528788][ T44] rtnl_dump_ifinfo (net/core/rtnetlink.c:80 net/core/rtnetlink.c:2554)
[ 984.528854][ T44] ? rtnl_fill_ifinfo.isra.0 (net/core/rtnetlink.c:2212)
[ 984.528939][ T44] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[ 984.529009][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 984.529075][ T44] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[ 984.529151][ T44] ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[ 984.529218][ T44] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[ 984.529284][ T44] ? __kmalloc_node_track_caller_noprof (mm/slub.c:5297 mm/slub.c:5408)
[ 984.529371][ T44] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[ 984.529443][ T44] ? __alloc_skb (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:67 net/core/skbuff.c:408 net/core/skbuff.c:720)
[ 984.529509][ T44] ? __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:695 (discriminator 2))
[ 984.529576][ T44] ? napi_skb_cache_get (./include/linux/local_lock_internal.h:61)
[ 984.529642][ T44] rtnl_dumpit (net/core/rtnetlink.c:6931)
[ 984.529693][ T44] netlink_dump (net/netlink/af_netlink.c:2331)
[ 984.529761][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 984.529826][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 984.529892][ T44] ? netlink_lookup (./include/linux/refcount.h:291)
[ 984.529961][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 984.530029][ T44] __netlink_dump_start (net/netlink/af_netlink.c:2446)
[ 984.530096][ T44] ? rtnl_fill_ifinfo.isra.0 (net/core/rtnetlink.c:2212)
[ 984.530178][ T44] rtnetlink_rcv_msg (./include/linux/netlink.h:341 net/core/rtnetlink.c:6960 net/core/rtnetlink.c:7027)
[ 984.530245][ T44] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[ 984.530311][ T44] ? rtnl_unlock (net/core/rtnetlink.c:157)
[ 984.530389][ T44] ? rtnl_fill_ifinfo.isra.0 (net/core/rtnetlink.c:2212)
[ 984.530472][ T44] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[ 984.530543][ T44] netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[ 984.530611][ T44] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[ 984.530678][ T44] ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[ 984.530745][ T44] ? netlink_ack (./include/linux/skbuff.h:2720)
[ 984.530811][ T44] ? __netlink_lookup (./include/linux/rcupdate.h:839 ./include/linux/rhashtable.h:708 net/netlink/af_netlink.c:499)
[ 984.530879][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 984.530945][ T44] ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[ 984.531013][ T44] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[ 984.531082][ T44] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[ 984.531149][ T44] netlink_sendmsg (net/netlink/af_netlink.c:1900)
[ 984.531218][ T44] ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[ 984.531285][ T44] ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 6))
[ 984.531357][ T44] ? do_anonymous_page (./include/linux/pgtable.h:117 mm/memory.c:5433)
[ 984.531428][ T44] __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[ 984.531495][ T44] ? __ia32_sys_getpeername (net/socket.c:2219)
[ 984.531563][ T44] ? __pmd_alloc (./include/linux/mm.h:1682)
[ 984.531632][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 984.531698][ T44] ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[ 984.531764][ T44] __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[ 984.531834][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 984.531917][ T44] ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[ 984.531999][ T44] ? irqentry_exit (./include/linux/irq-entry-common.h:272 ./include/linux/irq-entry-common.h:317 kernel/entry/common.c:162)
[ 984.532066][ T44] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[ 984.532137][ T44] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[ 984.532204][ T44] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[ 984.532271][ T44] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[ 984.532339][ T44] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[ 984.532429][ T44] RIP: 0033:0x7f71245f408e
[ 984.532499][ T44] RSP: 002b:00007fff8afed400 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 984.532599][ T44] RAX: ffffffffffffffda RBX: 00007fff8afed668 RCX: 00007f71245f408e
[ 984.532704][ T44] RDX: 0000000000000028 RSI: 00007fff8afed460 RDI: 0000000000000005
[ 984.532805][ T44] RBP: 00007fff8afed410 R08: 0000000000000000 R09: 0000000000000000
[ 984.532903][ T44] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff8afed658
[ 984.533001][ T44] R13: 0000000000000009 R14: 00007f7124898000 R15: 0000000000423c78
| [ 984.533105][ T44]
| [ 984.533159][ T44] INFO: task bridge:11196 is blocked on a mutex likely owned by task kworker/u20:0:39.
| [ 984.533268][ T44] INFO: lockdep is turned off.
[ 1107.400356][ T44] INFO: task kworker/u16:0:12 blocked for more than 245 seconds.
[ 1107.400506][ T44] Not tainted 7.1.0-rc5-virtme #1
[ 1107.400576][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1107.400686][ T44] task:kworker/u16:0 state:D stack:24224 pid:12 tgid:12 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 1107.400834][ T44] Workqueue: ipv6_addrconf addrconf_verify_work
[ 1107.400917][ T44] Call Trace:
[ 1107.400967][ T44]
[ 1107.401001][ T44] __schedule (kernel/sched/core.c:5388 kernel/sched/core.c:7189)
[ 1107.401072][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 1107.401138][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1107.401203][ T44] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 1107.401270][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 1107.401337][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1107.401458][ T44] schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[ 1107.401517][ T44] schedule_preempt_disabled (kernel/sched/core.c:7340)
[ 1107.401588][ T44] __mutex_lock (kernel/locking/mutex.c:726 kernel/locking/mutex.c:820)
[ 1107.401658][ T44] ? addrconf_verify_work (./include/linux/rtnetlink.h:130 net/ipv6/addrconf.c:4761)
[ 1107.401728][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1107.401797][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 1107.401864][ T44] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[ 1107.401947][ T44] ? debug_object_deactivate (lib/debugobjects.c:915 (discriminator 3))
[ 1107.402013][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1107.402080][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1107.402149][ T44] ? addrconf_verify_work (./include/linux/rtnetlink.h:130 net/ipv6/addrconf.c:4761)
[ 1107.402216][ T44] addrconf_verify_work (./include/linux/rtnetlink.h:130 net/ipv6/addrconf.c:4761)
[ 1107.402283][ T44] process_one_work (kernel/workqueue.c:3314)
[ 1107.402355][ T44] ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[ 1107.402424][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 1107.402497][ T44] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 1107.402564][ T44] worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[ 1107.402635][ T44] ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[ 1107.402701][ T44] kthread (kernel/kthread.c:436)
[ 1107.402751][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 1107.402838][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 1107.402904][ T44] ret_from_fork (arch/x86/kernel/process.c:158)
[ 1107.402969][ T44] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[ 1107.403052][ T44] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[ 1107.403125][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 1107.403197][ T44] ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [ 1107.403266][ T44]
| [ 1107.403317][ T44] INFO: task kworker/u16:0:12 is blocked on a mutex likely owned by task kworker/u20:0:39.
[ 1107.403455][ T44] INFO: task kworker/u20:0:39 blocked for more than 368 seconds.
[ 1107.403549][ T44] Not tainted 7.1.0-rc5-virtme #1
[ 1107.403614][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1107.403725][ T44] task:kworker/u20:0 state:D stack:27504 pid:39 tgid:39 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 1107.403869][ T44] Workqueue: events_unbound linkwatch_event
[ 1107.403955][ T44] Call Trace:
[ 1107.404005][ T44]
[ 1107.404040][ T44] __schedule (kernel/sched/core.c:5388 kernel/sched/core.c:7189)
[ 1107.404110][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 1107.404176][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1107.404244][ T44] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 1107.404312][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 1107.404387][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1107.404454][ T44] schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[ 1107.404508][ T44] schedule_preempt_disabled (kernel/sched/core.c:7340)
[ 1107.404575][ T44] __mutex_lock (kernel/locking/mutex.c:726 kernel/locking/mutex.c:820)
[ 1107.404648][ T44] ? __ethtool_get_link_ksettings (./include/linux/netdevice.h:2835 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/ethtool/ioctl.c:462)
[ 1107.404731][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 1107.404797][ T44] ? __smp_call_single_queue (./arch/x86/include/asm/smp.h:95 kernel/smp.c:120 kernel/smp.c:427)
[ 1107.404863][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1107.404929][ T44] ? do_raw_write_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qrwlock.h:98 kernel/locking/spinlock_debug.c:211)
[ 1107.404995][ T44] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180)
[ 1107.405062][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 1107.405147][ T44] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[ 1107.405229][ T44] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[ 1107.405296][ T44] ? __local_bh_enable_ip (kernel/softirq.c:455)
[ 1107.405375][ T44] ? fib6_walk (net/ipv6/ip6_fib.c:89 net/ipv6/ip6_fib.c:2229)
[ 1107.405443][ T44] ? __ethtool_get_link_ksettings (./include/linux/netdevice.h:2835 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/ethtool/ioctl.c:462)
[ 1107.405530][ T44] __ethtool_get_link_ksettings (./include/linux/netdevice.h:2835 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/ethtool/ioctl.c:462)
[ 1107.405615][ T44] ? fib6_walk (./include/linux/list.h:262 net/ipv6/ip6_fib.c:88 net/ipv6/ip6_fib.c:2229)
[ 1107.405688][ T44] port_cost (net/bridge/br_if.c:39)
[ 1107.405738][ T44] ? br_multicast_flood (??:?)
[ 1107.405808][ T44] ? fib6_del (net/ipv6/ip6_fib.c:2077)
[ 1107.405859][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1107.405926][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 1107.405993][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1107.406059][ T44] br_port_carrier_check (net/bridge/br_if.c:80)
[ 1107.406129][ T44] br_device_event (net/bridge/br.c:101)
[ 1107.406197][ T44] ? fib6_ifdown (net/ipv6/route.c:4962)
[ 1107.406265][ T44] ? packet_sendmsg_spkt (af_packet.c:?)
[ 1107.406336][ T44] ? addrconf_notify (net/ipv6/addrconf.c:3755)
[ 1107.406408][ T44] notifier_call_chain (kernel/notifier.c:85)
[ 1107.406474][ T44] netif_state_change (net/core/dev.c:1603)
[ 1107.406540][ T44] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[ 1107.406626][ T44] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[ 1107.406694][ T44] __linkwatch_run_queue (net/core/link_watch.c:240)
[ 1107.406759][ T44] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[ 1107.406825][ T44] ? debug_object_active_state (lib/debugobjects.c:1077)
[ 1107.406907][ T44] linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[ 1107.406977][ T44] ? __linkwatch_run_queue (net/core/link_watch.c:213)
[ 1107.407042][ T44] process_one_work (kernel/workqueue.c:3314)
[ 1107.407109][ T44] ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[ 1107.407177][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 1107.407245][ T44] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 1107.407323][ T44] worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[ 1107.407402][ T44] ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[ 1107.407470][ T44] kthread (kernel/kthread.c:436)
[ 1107.407524][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 1107.407607][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 1107.407676][ T44] ret_from_fork (arch/x86/kernel/process.c:158)
[ 1107.407744][ T44] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[ 1107.407827][ T44] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[ 1107.407893][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 1107.407960][ T44] ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [ 1107.408027][ T44]
| [ 1107.408077][ T44] INFO: task kworker/u20:0:39 is blocked on a mutex likely owned by task kworker/u20:0:39.
[ 1107.408213][ T44] INFO: task bridge:11196 blocked for more than 368 seconds.
[ 1107.408305][ T44] Not tainted 7.1.0-rc5-virtme #1
[ 1107.408377][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1107.408486][ T44] task:bridge state:D stack:25840 pid:11196 tgid:11196 ppid:11195 task_flags:0x400100 flags:0x00080000
[ 1107.408636][ T44] Call Trace:
[ 1107.408686][ T44]
[ 1107.408721][ T44] __schedule (kernel/sched/core.c:5388 kernel/sched/core.c:7189)
[ 1107.408788][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 1107.408855][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1107.408923][ T44] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 1107.408989][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 1107.409055][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1107.409126][ T44] schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[ 1107.409180][ T44] schedule_preempt_disabled (kernel/sched/core.c:7340)
[ 1107.409246][ T44] __mutex_lock (kernel/locking/mutex.c:726 kernel/locking/mutex.c:820)
[ 1107.409313][ T44] ? rtnl_dump_ifinfo (net/core/rtnetlink.c:80 net/core/rtnetlink.c:2554)
[ 1107.409389][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 1107.409456][ T44] ? nla_get_range_signed (lib/nlattr.c:270)
[ 1107.409521][ T44] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[ 1107.409604][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1107.409674][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 1107.409740][ T44] ? __nla_validate_parse (lib/nlattr.c:635)
[ 1107.409808][ T44] ? rtnl_dump_ifinfo (net/core/rtnetlink.c:80 net/core/rtnetlink.c:2554)
[ 1107.409874][ T44] rtnl_dump_ifinfo (net/core/rtnetlink.c:80 net/core/rtnetlink.c:2554)
[ 1107.409943][ T44] ? rtnl_fill_ifinfo.isra.0 (net/core/rtnetlink.c:2212)
[ 1107.410024][ T44] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[ 1107.410090][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1107.410157][ T44] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[ 1107.410229][ T44] ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[ 1107.410296][ T44] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[ 1107.410367][ T44] ? __kmalloc_node_track_caller_noprof (mm/slub.c:5297 mm/slub.c:5408)
[ 1107.410453][ T44] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[ 1107.410526][ T44] ? __alloc_skb (./include/linux/instrumented.h:97 ./include/linux/atomic/atomic-instrumented.h:67 net/core/skbuff.c:408 net/core/skbuff.c:720)
[ 1107.410593][ T44] ? __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:695 (discriminator 2))
[ 1107.410662][ T44] ? napi_skb_cache_get (./include/linux/local_lock_internal.h:61)
[ 1107.410730][ T44] rtnl_dumpit (net/core/rtnetlink.c:6931)
[ 1107.410782][ T44] netlink_dump (net/netlink/af_netlink.c:2331)
[ 1107.410850][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 1107.410917][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 1107.410982][ T44] ? netlink_lookup (./include/linux/refcount.h:291)
[ 1107.411048][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1107.411114][ T44] __netlink_dump_start (net/netlink/af_netlink.c:2446)
[ 1107.411184][ T44] ? rtnl_fill_ifinfo.isra.0 (net/core/rtnetlink.c:2212)
[ 1107.411268][ T44] rtnetlink_rcv_msg (./include/linux/netlink.h:341 net/core/rtnetlink.c:6960 net/core/rtnetlink.c:7027)
[ 1107.411336][ T44] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[ 1107.411408][ T44] ? rtnl_unlock (net/core/rtnetlink.c:157)
[ 1107.411474][ T44] ? rtnl_fill_ifinfo.isra.0 (net/core/rtnetlink.c:2212)
[ 1107.411555][ T44] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[ 1107.411625][ T44] netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[ 1107.411697][ T44] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[ 1107.411764][ T44] ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[ 1107.411830][ T44] ? netlink_ack (./include/linux/skbuff.h:2720)
[ 1107.411896][ T44] ? __netlink_lookup (./include/linux/rcupdate.h:839 ./include/linux/rhashtable.h:708 net/netlink/af_netlink.c:499)
[ 1107.411964][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1107.412031][ T44] ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[ 1107.412098][ T44] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[ 1107.412166][ T44] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[ 1107.412235][ T44] netlink_sendmsg (net/netlink/af_netlink.c:1900)
[ 1107.412302][ T44] ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[ 1107.412377][ T44] ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 6))
[ 1107.412444][ T44] ? do_anonymous_page (./include/linux/pgtable.h:117 mm/memory.c:5433)
[ 1107.412511][ T44] __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[ 1107.412579][ T44] ? __ia32_sys_getpeername (net/socket.c:2219)
[ 1107.412647][ T44] ? __pmd_alloc (./include/linux/mm.h:1682)
[ 1107.412715][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1107.412801][ T44] ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[ 1107.412867][ T44] __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[ 1107.412934][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 1107.413016][ T44] ? trace_hardirqs_off_finish (./include/trace/events/preemptirq.h:36 (discriminator 22) kernel/trace/trace_preemptirq.c:95 (discriminator 22) kernel/trace/trace_preemptirq.c:90 (discriminator 22))
[ 1107.413104][ T44] ? irqentry_exit (./include/linux/irq-entry-common.h:272 ./include/linux/irq-entry-common.h:317 kernel/entry/common.c:162)
[ 1107.413170][ T44] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[ 1107.413236][ T44] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[ 1107.413302][ T44] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[ 1107.413377][ T44] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[ 1107.413445][ T44] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[ 1107.413527][ T44] RIP: 0033:0x7f71245f408e
[ 1107.413597][ T44] RSP: 002b:00007fff8afed400 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 1107.413698][ T44] RAX: ffffffffffffffda RBX: 00007fff8afed668 RCX: 00007f71245f408e
[ 1107.413799][ T44] RDX: 0000000000000028 RSI: 00007fff8afed460 RDI: 0000000000000005
[ 1107.413902][ T44] RBP: 00007fff8afed410 R08: 0000000000000000 R09: 0000000000000000
[ 1107.414002][ T44] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff8afed658
[ 1107.414102][ T44] R13: 0000000000000009 R14: 00007f7124898000 R15: 0000000000423c78
| [ 1107.414203][ T44]
| [ 1107.414258][ T44] INFO: task bridge:11196 is blocked on a mutex likely owned by task kworker/u20:0:39.
| [ 1107.414378][ T44] INFO: lockdep is turned off.
[ 1230.280354][ T44] INFO: task kworker/u16:0:12 blocked for more than 368 seconds.
[ 1230.280513][ T44] Not tainted 7.1.0-rc5-virtme #1
[ 1230.280580][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1230.280694][ T44] task:kworker/u16:0 state:D stack:24224 pid:12 tgid:12 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 1230.280845][ T44] Workqueue: ipv6_addrconf addrconf_verify_work
[ 1230.280928][ T44] Call Trace:
[ 1230.280978][ T44]
[ 1230.281013][ T44] __schedule (kernel/sched/core.c:5388 kernel/sched/core.c:7189)
[ 1230.281081][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 1230.281147][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1230.281221][ T44] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 1230.281289][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 1230.281361][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1230.281431][ T44] schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[ 1230.281481][ T44] schedule_preempt_disabled (kernel/sched/core.c:7340)
[ 1230.281547][ T44] __mutex_lock (kernel/locking/mutex.c:726 kernel/locking/mutex.c:820)
[ 1230.281614][ T44] ? addrconf_verify_work (./include/linux/rtnetlink.h:130 net/ipv6/addrconf.c:4761)
[ 1230.281682][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1230.281757][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 1230.281824][ T44] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[ 1230.281905][ T44] ? debug_object_deactivate (lib/debugobjects.c:915 (discriminator 3))
[ 1230.281972][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1230.282038][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1230.282104][ T44] ? addrconf_verify_work (./include/linux/rtnetlink.h:130 net/ipv6/addrconf.c:4761)
[ 1230.282170][ T44] addrconf_verify_work (./include/linux/rtnetlink.h:130 net/ipv6/addrconf.c:4761)
[ 1230.282238][ T44] process_one_work (kernel/workqueue.c:3314)
[ 1230.282305][ T44] ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[ 1230.282376][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 1230.282443][ T44] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 1230.282509][ T44] worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[ 1230.282576][ T44] ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[ 1230.282642][ T44] kthread (kernel/kthread.c:436)
[ 1230.282695][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 1230.282776][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 1230.282854][ T44] ret_from_fork (arch/x86/kernel/process.c:158)
[ 1230.282921][ T44] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[ 1230.283005][ T44] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[ 1230.283074][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 1230.283141][ T44] ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [ 1230.283211][ T44]
| [ 1230.283263][ T44] INFO: task kworker/u16:0:12 is blocked on a mutex likely owned by task kworker/u20:0:39.
[ 1230.283399][ T44] INFO: task kworker/u20:0:39 blocked for more than 491 seconds.
[ 1230.283492][ T44] Not tainted 7.1.0-rc5-virtme #1
[ 1230.283554][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1230.283667][ T44] task:kworker/u20:0 state:D stack:27504 pid:39 tgid:39 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 1230.283808][ T44] Workqueue: events_unbound linkwatch_event
[ 1230.283889][ T44] Call Trace:
[ 1230.283938][ T44]
[ 1230.283972][ T44] __schedule (kernel/sched/core.c:5388 kernel/sched/core.c:7189)
[ 1230.284040][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 1230.284106][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1230.284174][ T44] ? do_raw_spin_unlock (./include/linux/instrumented.h:82 ./include/linux/atomic/atomic-instrumented.h:32 ./include/asm-generic/qspinlock.h:57 kernel/locking/spinlock_debug.c:101 kernel/locking/spinlock_debug.c:141)
[ 1230.284244][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 1230.284311][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1230.284387][ T44] schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[ 1230.284437][ T44] schedule_preempt_disabled (kernel/sched/core.c:7340)
[ 1230.284503][ T44] __mutex_lock (kernel/locking/mutex.c:726 kernel/locking/mutex.c:820)
[ 1230.284570][ T44] ? __ethtool_get_link_ksettings (./include/linux/netdevice.h:2835 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/ethtool/ioctl.c:462)
[ 1230.284654][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 1230.284723][ T44] ? __smp_call_single_queue (./arch/x86/include/asm/smp.h:95 kernel/smp.c:120 kernel/smp.c:427)
[ 1230.284790][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1230.284862][ T44] ? do_raw_write_lock (./include/linux/instrumented.h:55 ./include/linux/atomic/atomic-instrumented.h:1301 ./include/asm-generic/qrwlock.h:98 kernel/locking/spinlock_debug.c:211)
[ 1230.284932][ T44] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180)
[ 1230.284999][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 1230.285081][ T44] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[ 1230.285165][ T44] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[ 1230.285231][ T44] ? __local_bh_enable_ip (kernel/softirq.c:455)
[ 1230.285297][ T44] ? fib6_walk (net/ipv6/ip6_fib.c:89 net/ipv6/ip6_fib.c:2229)
[ 1230.285372][ T44] ? __ethtool_get_link_ksettings (./include/linux/netdevice.h:2835 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/ethtool/ioctl.c:462)
[ 1230.285453][ T44] __ethtool_get_link_ksettings (./include/linux/netdevice.h:2835 ./include/net/netdev_lock.h:42 ./include/net/netdev_lock.h:39 net/ethtool/ioctl.c:462)
[ 1230.285535][ T44] ? fib6_walk (./include/linux/list.h:262 net/ipv6/ip6_fib.c:88 net/ipv6/ip6_fib.c:2229)
[ 1230.285600][ T44] port_cost (net/bridge/br_if.c:39)
[ 1230.285650][ T44] ? br_multicast_flood (??:?)
[ 1230.285718][ T44] ? fib6_del (net/ipv6/ip6_fib.c:2077)
[ 1230.285768][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1230.285835][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 1230.285900][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1230.285966][ T44] br_port_carrier_check (net/bridge/br_if.c:80)
[ 1230.286034][ T44] br_device_event (net/bridge/br.c:101)
[ 1230.286103][ T44] ? fib6_ifdown (net/ipv6/route.c:4962)
[ 1230.286171][ T44] ? packet_sendmsg_spkt (af_packet.c:?)
[ 1230.286242][ T44] ? addrconf_notify (net/ipv6/addrconf.c:3755)
[ 1230.286309][ T44] notifier_call_chain (kernel/notifier.c:85)
[ 1230.286384][ T44] netif_state_change (net/core/dev.c:1603)
[ 1230.286451][ T44] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[ 1230.286533][ T44] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[ 1230.286599][ T44] __linkwatch_run_queue (net/core/link_watch.c:240)
[ 1230.286667][ T44] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[ 1230.286739][ T44] ? debug_object_active_state (lib/debugobjects.c:1077)
[ 1230.286822][ T44] linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[ 1230.286888][ T44] ? __linkwatch_run_queue (net/core/link_watch.c:213)
[ 1230.286954][ T44] process_one_work (kernel/workqueue.c:3314)
[ 1230.287021][ T44] ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[ 1230.287087][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 1230.287154][ T44] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 1230.287223][ T44] worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[ 1230.287290][ T44] ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[ 1230.287359][ T44] kthread (kernel/kthread.c:436)
[ 1230.287413][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 1230.287496][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 1230.287563][ T44] ret_from_fork (arch/x86/kernel/process.c:158)
[ 1230.287630][ T44] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[ 1230.287715][ T44] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[ 1230.287784][ T44] ? kthread_affine_node (kernel/kthread.c:378)
Finger prints:
__schedule:schedule:schedule_preempt_disabled:__mutex_lock:__ethtool_get_link_ksettings
__schedule:schedule:schedule_preempt_disabled:__mutex_lock:addrconf_verify_work
__schedule:schedule:schedule_preempt_disabled:__mutex_lock:rtnl_dump_ifinfo