======================================
| [ 1333.482824][ T7373] vx0: entered promiscuous mode
| [ 1333.483441][ T7373] br0: port 2(vx0) entered blocking state
| [ 1333.483569][ T7373] br0: port 2(vx0) entered forwarding state
| [ 1338.639835][ T7383] GACT probability NOT on
| [ 1339.024089][ T900] br0: port 1(swp1) entered disabled state
[ 1476.065081][ T44] INFO: task kworker/u16:1:69 blocked for more than 122 seconds.
[ 1476.065293][ T44] Not tainted 7.1.0-rc5-virtme #1
[ 1476.065372][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1476.065506][ T44] task:kworker/u16:1 state:D stack:24744 pid:69 tgid:69 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 1476.065685][ T44] Workqueue: ipv6_addrconf addrconf_verify_work
[ 1476.065788][ T44] Call Trace:
[ 1476.065847][ T44]
[ 1476.065889][ T44] __schedule (kernel/sched/core.c:5388 kernel/sched/core.c:7189)
[ 1476.065978][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 1476.066049][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1476.066140][ 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)
[ 1476.066221][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 1476.066290][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1476.066358][ T44] schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[ 1476.066411][ T44] schedule_preempt_disabled (kernel/sched/core.c:7340)
[ 1476.066485][ T44] __mutex_lock (kernel/locking/mutex.c:726 kernel/locking/mutex.c:820)
[ 1476.066556][ T44] ? addrconf_verify_work (./include/linux/rtnetlink.h:130 net/ipv6/addrconf.c:4761)
[ 1476.066624][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1476.066692][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 1476.066762][ T44] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[ 1476.066848][ T44] ? debug_object_deactivate (lib/debugobjects.c:915 (discriminator 3))
[ 1476.066918][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1476.066991][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1476.067065][ T44] ? addrconf_verify_work (./include/linux/rtnetlink.h:130 net/ipv6/addrconf.c:4761)
[ 1476.067131][ T44] addrconf_verify_work (./include/linux/rtnetlink.h:130 net/ipv6/addrconf.c:4761)
[ 1476.067198][ T44] process_one_work (kernel/workqueue.c:3314)
[ 1476.067270][ T44] ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[ 1476.067337][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 1476.067405][ T44] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 1476.067477][ T44] worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[ 1476.067547][ T44] ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[ 1476.067616][ T44] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[ 1476.067685][ T44] ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[ 1476.067751][ T44] kthread (kernel/kthread.c:436)
[ 1476.067804][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 1476.067893][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 1476.067961][ T44] ret_from_fork (arch/x86/kernel/process.c:158)
[ 1476.068032][ T44] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[ 1476.068127][ T44] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[ 1476.068195][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 1476.068263][ T44] ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [ 1476.068336][ T44]
| [ 1476.068398][ T44] INFO: task kworker/u16:1:69 is blocked on a mutex likely owned by task kworker/u20:3:12092.
[ 1476.068545][ T44] INFO: task kworker/u20:3:12092 blocked for more than 122 seconds.
[ 1476.068643][ T44] Not tainted 7.1.0-rc5-virtme #1
[ 1476.068712][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1476.068824][ T44] task:kworker/u20:3 state:D stack:27312 pid:12092 tgid:12092 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 1476.068978][ T44] Workqueue: events_unbound linkwatch_event
[ 1476.069068][ T44] Call Trace:
[ 1476.069120][ T44]
[ 1476.069155][ T44] __schedule (kernel/sched/core.c:5388 kernel/sched/core.c:7189)
[ 1476.069230][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 1476.069299][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1476.069369][ 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)
[ 1476.069444][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 1476.069512][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1476.069583][ T44] schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[ 1476.069636][ T44] schedule_preempt_disabled (kernel/sched/core.c:7340)
[ 1476.069707][ T44] __mutex_lock (kernel/locking/mutex.c:726 kernel/locking/mutex.c:820)
[ 1476.069783][ 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)
[ 1476.069873][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 1476.069942][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1476.070012][ 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)
[ 1476.070083][ T44] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180)
[ 1476.070152][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 1476.070242][ T44] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[ 1476.070329][ T44] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[ 1476.070402][ T44] ? __local_bh_enable_ip (kernel/softirq.c:455)
[ 1476.070473][ T44] ? fib6_walk (net/ipv6/ip6_fib.c:89 net/ipv6/ip6_fib.c:2229)
[ 1476.070542][ 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)
[ 1476.070627][ 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)
[ 1476.070712][ T44] ? fib6_walk (./include/linux/list.h:262 net/ipv6/ip6_fib.c:88 net/ipv6/ip6_fib.c:2229)
[ 1476.070785][ T44] port_cost (net/bridge/br_if.c:39)
[ 1476.070845][ T44] ? br_multicast_flood (??:?)
[ 1476.070916][ T44] ? fib6_del (net/ipv6/ip6_fib.c:2077)
[ 1476.070969][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1476.071038][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 1476.071114][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1476.071189][ T44] br_port_carrier_check (net/bridge/br_if.c:80)
[ 1476.071258][ T44] br_device_event (net/bridge/br.c:101)
[ 1476.071329][ T44] ? fib6_ifdown (net/ipv6/route.c:4962)
[ 1476.071398][ T44] ? packet_sendmsg_spkt (af_packet.c:?)
[ 1476.071470][ T44] ? addrconf_notify (net/ipv6/addrconf.c:3755)
[ 1476.071541][ T44] notifier_call_chain (kernel/notifier.c:85)
[ 1476.071611][ T44] netif_state_change (net/core/dev.c:1603)
[ 1476.071681][ T44] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[ 1476.071766][ T44] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[ 1476.071835][ T44] __linkwatch_run_queue (net/core/link_watch.c:240)
[ 1476.071904][ T44] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[ 1476.071972][ T44] ? debug_object_active_state (lib/debugobjects.c:1077)
[ 1476.072063][ T44] linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[ 1476.072134][ T44] ? __linkwatch_run_queue (net/core/link_watch.c:213)
[ 1476.072203][ T44] process_one_work (kernel/workqueue.c:3314)
[ 1476.072271][ T44] ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[ 1476.072338][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 1476.072405][ T44] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 1476.072482][ T44] worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[ 1476.072550][ T44] ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[ 1476.072619][ T44] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[ 1476.072687][ T44] ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[ 1476.072758][ T44] kthread (kernel/kthread.c:436)
[ 1476.072815][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 1476.072905][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 1476.072973][ T44] ret_from_fork (arch/x86/kernel/process.c:158)
[ 1476.073047][ T44] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[ 1476.073134][ T44] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[ 1476.073203][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 1476.073275][ T44] ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [ 1476.073345][ T44]
| [ 1476.073396][ T44] INFO: task kworker/u20:3:12092 is blocked on a mutex likely owned by task kworker/u20:3:12092.
[ 1476.073539][ T44] INFO: task bridge:7422 blocked for more than 122 seconds.
[ 1476.073633][ T44] Not tainted 7.1.0-rc5-virtme #1
[ 1476.073698][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1476.073812][ T44] task:bridge state:D stack:25840 pid:7422 tgid:7422 ppid:7421 task_flags:0x400100 flags:0x00080000
[ 1476.073964][ T44] Call Trace:
[ 1476.074017][ T44]
[ 1476.074051][ T44] __schedule (kernel/sched/core.c:5388 kernel/sched/core.c:7189)
[ 1476.074125][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 1476.074192][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1476.074260][ 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)
[ 1476.074331][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 1476.074397][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1476.074469][ T44] schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[ 1476.074525][ T44] schedule_preempt_disabled (kernel/sched/core.c:7340)
[ 1476.074594][ T44] __mutex_lock (kernel/locking/mutex.c:726 kernel/locking/mutex.c:820)
[ 1476.074663][ T44] ? rtnl_dump_ifinfo (net/core/rtnetlink.c:80 net/core/rtnetlink.c:2554)
[ 1476.074730][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 1476.074798][ T44] ? nla_get_range_signed (lib/nlattr.c:270)
[ 1476.074870][ T44] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[ 1476.074959][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1476.075030][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 1476.075101][ T44] ? __nla_validate_parse (lib/nlattr.c:635)
[ 1476.075168][ T44] ? rtnl_dump_ifinfo (net/core/rtnetlink.c:80 net/core/rtnetlink.c:2554)
[ 1476.075237][ T44] rtnl_dump_ifinfo (net/core/rtnetlink.c:80 net/core/rtnetlink.c:2554)
[ 1476.075304][ T44] ? rtnl_fill_ifinfo.isra.0 (net/core/rtnetlink.c:2212)
[ 1476.075388][ T44] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[ 1476.075461][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1476.075529][ T44] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[ 1476.075608][ T44] ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[ 1476.075678][ T44] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[ 1476.075752][ T44] ? __kmalloc_node_track_caller_noprof (mm/slub.c:5297 mm/slub.c:5408)
[ 1476.075841][ T44] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[ 1476.075910][ 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)
[ 1476.075978][ T44] ? __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:695 (discriminator 2))
[ 1476.076051][ T44] ? napi_skb_cache_get (./include/linux/local_lock_internal.h:61)
[ 1476.076126][ T44] rtnl_dumpit (net/core/rtnetlink.c:6931)
[ 1476.076179][ T44] netlink_dump (net/netlink/af_netlink.c:2331)
[ 1476.076247][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 1476.076313][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 1476.076381][ T44] ? netlink_lookup (./include/linux/refcount.h:291)
[ 1476.076453][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1476.076520][ T44] __netlink_dump_start (net/netlink/af_netlink.c:2446)
[ 1476.076588][ T44] ? rtnl_fill_ifinfo.isra.0 (net/core/rtnetlink.c:2212)
[ 1476.076677][ T44] rtnetlink_rcv_msg (./include/linux/netlink.h:341 net/core/rtnetlink.c:6960 net/core/rtnetlink.c:7027)
[ 1476.076744][ T44] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[ 1476.076810][ T44] ? rtnl_unlock (net/core/rtnetlink.c:157)
[ 1476.076879][ T44] ? rtnl_fill_ifinfo.isra.0 (net/core/rtnetlink.c:2212)
[ 1476.076967][ T44] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[ 1476.077034][ T44] netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[ 1476.077106][ T44] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[ 1476.077176][ T44] ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[ 1476.077243][ T44] ? netlink_ack (./include/linux/skbuff.h:2720)
[ 1476.077311][ T44] ? __netlink_lookup (./include/linux/rcupdate.h:839 ./include/linux/rhashtable.h:708 net/netlink/af_netlink.c:499)
[ 1476.077383][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1476.077452][ T44] ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[ 1476.077521][ T44] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[ 1476.077590][ T44] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[ 1476.077662][ T44] netlink_sendmsg (net/netlink/af_netlink.c:1900)
[ 1476.077739][ T44] ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[ 1476.077806][ T44] ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 6))
[ 1476.077876][ T44] ? do_anonymous_page (./include/linux/pgtable.h:117 mm/memory.c:5433)
[ 1476.077945][ T44] __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[ 1476.078013][ T44] ? __ia32_sys_getpeername (net/socket.c:2219)
[ 1476.078084][ T44] ? __pmd_alloc (./include/linux/mm.h:1682)
[ 1476.078158][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1476.078227][ T44] ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[ 1476.078300][ T44] __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[ 1476.078367][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 1476.078452][ 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))
[ 1476.078536][ T44] ? irqentry_exit (./include/linux/irq-entry-common.h:272 ./include/linux/irq-entry-common.h:317 kernel/entry/common.c:162)
[ 1476.078604][ T44] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[ 1476.078670][ T44] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[ 1476.078738][ T44] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[ 1476.078811][ T44] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[ 1476.078879][ T44] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[ 1476.078964][ T44] RIP: 0033:0x7f8fd7ea008e
[ 1476.079038][ T44] RSP: 002b:00007fff1883bf70 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 1476.079146][ T44] RAX: ffffffffffffffda RBX: 00007fff1883c1d8 RCX: 00007f8fd7ea008e
[ 1476.079250][ T44] RDX: 0000000000000028 RSI: 00007fff1883bfd0 RDI: 0000000000000005
[ 1476.079354][ T44] RBP: 00007fff1883bf80 R08: 0000000000000000 R09: 0000000000000000
[ 1476.079462][ T44] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff1883c1c8
[ 1476.079566][ T44] R13: 0000000000000009 R14: 00007f8fd8144000 R15: 0000000000423c78
| [ 1476.079670][ T44]
| [ 1476.079721][ T44] INFO: task bridge:7422 is blocked on a mutex likely owned by task kworker/u20:3:12092.
| [ 1476.079837][ T44] INFO: lockdep is turned off.
[ 1598.945082][ T44] INFO: task kworker/u16:1:69 blocked for more than 245 seconds.
[ 1598.945299][ T44] Not tainted 7.1.0-rc5-virtme #1
[ 1598.945373][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1598.945513][ T44] task:kworker/u16:1 state:D stack:24744 pid:69 tgid:69 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 1598.945677][ T44] Workqueue: ipv6_addrconf addrconf_verify_work
[ 1598.945771][ T44] Call Trace:
[ 1598.945826][ T44]
[ 1598.945865][ T44] __schedule (kernel/sched/core.c:5388 kernel/sched/core.c:7189)
[ 1598.945944][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 1598.946011][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1598.946094][ 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)
[ 1598.946170][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 1598.946237][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1598.946303][ T44] schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[ 1598.946354][ T44] schedule_preempt_disabled (kernel/sched/core.c:7340)
[ 1598.946427][ T44] __mutex_lock (kernel/locking/mutex.c:726 kernel/locking/mutex.c:820)
[ 1598.946501][ T44] ? addrconf_verify_work (./include/linux/rtnetlink.h:130 net/ipv6/addrconf.c:4761)
[ 1598.946568][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1598.946640][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 1598.946707][ T44] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[ 1598.946790][ T44] ? debug_object_deactivate (lib/debugobjects.c:915 (discriminator 3))
[ 1598.946859][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1598.946925][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1598.946991][ T44] ? addrconf_verify_work (./include/linux/rtnetlink.h:130 net/ipv6/addrconf.c:4761)
[ 1598.947064][ T44] addrconf_verify_work (./include/linux/rtnetlink.h:130 net/ipv6/addrconf.c:4761)
[ 1598.947136][ T44] process_one_work (kernel/workqueue.c:3314)
[ 1598.947213][ T44] ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[ 1598.947280][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 1598.947349][ T44] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 1598.947419][ T44] worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[ 1598.947488][ T44] ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[ 1598.947567][ T44] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[ 1598.947636][ T44] ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[ 1598.947704][ T44] kthread (kernel/kthread.c:436)
[ 1598.947757][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 1598.947843][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 1598.947911][ T44] ret_from_fork (arch/x86/kernel/process.c:158)
[ 1598.947979][ T44] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[ 1598.948066][ T44] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[ 1598.948135][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 1598.948204][ T44] ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [ 1598.948275][ T44]
| [ 1598.948332][ T44] INFO: task kworker/u16:1:69 is blocked on a mutex likely owned by task kworker/u20:3:12092.
[ 1598.948467][ T44] INFO: task kworker/u20:3:12092 blocked for more than 245 seconds.
[ 1598.948560][ T44] Not tainted 7.1.0-rc5-virtme #1
[ 1598.948624][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1598.948735][ T44] task:kworker/u20:3 state:D stack:27312 pid:12092 tgid:12092 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 1598.948885][ T44] Workqueue: events_unbound linkwatch_event
[ 1598.948969][ T44] Call Trace:
[ 1598.949020][ T44]
[ 1598.949054][ T44] __schedule (kernel/sched/core.c:5388 kernel/sched/core.c:7189)
[ 1598.949128][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 1598.949197][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1598.949269][ 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)
[ 1598.949346][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 1598.949420][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1598.949488][ T44] schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[ 1598.949541][ T44] schedule_preempt_disabled (kernel/sched/core.c:7340)
[ 1598.949609][ T44] __mutex_lock (kernel/locking/mutex.c:726 kernel/locking/mutex.c:820)
[ 1598.949682][ 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)
[ 1598.949772][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 1598.949844][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1598.949913][ 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)
[ 1598.949981][ T44] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180)
[ 1598.950049][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 1598.950141][ T44] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[ 1598.950233][ T44] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[ 1598.950301][ T44] ? __local_bh_enable_ip (kernel/softirq.c:455)
[ 1598.950370][ T44] ? fib6_walk (net/ipv6/ip6_fib.c:89 net/ipv6/ip6_fib.c:2229)
[ 1598.950444][ 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)
[ 1598.950527][ 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)
[ 1598.950611][ T44] ? fib6_walk (./include/linux/list.h:262 net/ipv6/ip6_fib.c:88 net/ipv6/ip6_fib.c:2229)
[ 1598.950679][ T44] port_cost (net/bridge/br_if.c:39)
[ 1598.950732][ T44] ? br_multicast_flood (??:?)
[ 1598.950801][ T44] ? fib6_del (net/ipv6/ip6_fib.c:2077)
[ 1598.950854][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1598.950921][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 1598.950988][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1598.951062][ T44] br_port_carrier_check (net/bridge/br_if.c:80)
[ 1598.951130][ T44] br_device_event (net/bridge/br.c:101)
[ 1598.951201][ T44] ? fib6_ifdown (net/ipv6/route.c:4962)
[ 1598.951276][ T44] ? packet_sendmsg_spkt (af_packet.c:?)
[ 1598.951346][ T44] ? addrconf_notify (net/ipv6/addrconf.c:3755)
[ 1598.951419][ T44] notifier_call_chain (kernel/notifier.c:85)
[ 1598.951489][ T44] netif_state_change (net/core/dev.c:1603)
[ 1598.951559][ T44] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[ 1598.951644][ T44] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[ 1598.951711][ T44] __linkwatch_run_queue (net/core/link_watch.c:240)
[ 1598.951779][ T44] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[ 1598.951845][ T44] ? debug_object_active_state (lib/debugobjects.c:1077)
[ 1598.951930][ T44] linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[ 1598.951998][ T44] ? __linkwatch_run_queue (net/core/link_watch.c:213)
[ 1598.952070][ T44] process_one_work (kernel/workqueue.c:3314)
[ 1598.952140][ T44] ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[ 1598.952209][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 1598.952285][ T44] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 1598.952354][ T44] worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[ 1598.952427][ T44] ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[ 1598.952495][ T44] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[ 1598.952562][ T44] ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[ 1598.952630][ T44] kthread (kernel/kthread.c:436)
[ 1598.952681][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 1598.952766][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 1598.952839][ T44] ret_from_fork (arch/x86/kernel/process.c:158)
[ 1598.952908][ T44] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[ 1598.952994][ T44] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[ 1598.953068][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 1598.953137][ T44] ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [ 1598.953206][ T44]
| [ 1598.953259][ T44] INFO: task kworker/u20:3:12092 is blocked on a mutex likely owned by task kworker/u20:3:12092.
[ 1598.953409][ T44] INFO: task bridge:7422 blocked for more than 245 seconds.
[ 1598.953508][ T44] Not tainted 7.1.0-rc5-virtme #1
[ 1598.953573][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1598.953684][ T44] task:bridge state:D stack:25840 pid:7422 tgid:7422 ppid:7421 task_flags:0x400100 flags:0x00080000
[ 1598.953835][ T44] Call Trace:
[ 1598.953887][ T44]
[ 1598.953922][ T44] __schedule (kernel/sched/core.c:5388 kernel/sched/core.c:7189)
[ 1598.953991][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 1598.954062][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1598.954131][ 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)
[ 1598.954201][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 1598.954268][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1598.954339][ T44] schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[ 1598.954395][ T44] schedule_preempt_disabled (kernel/sched/core.c:7340)
[ 1598.954468][ T44] __mutex_lock (kernel/locking/mutex.c:726 kernel/locking/mutex.c:820)
[ 1598.954537][ T44] ? rtnl_dump_ifinfo (net/core/rtnetlink.c:80 net/core/rtnetlink.c:2554)
[ 1598.954611][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 1598.954684][ T44] ? nla_get_range_signed (lib/nlattr.c:270)
[ 1598.954752][ T44] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[ 1598.954837][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1598.954905][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 1598.954974][ T44] ? __nla_validate_parse (lib/nlattr.c:635)
[ 1598.955047][ T44] ? rtnl_dump_ifinfo (net/core/rtnetlink.c:80 net/core/rtnetlink.c:2554)
[ 1598.955117][ T44] rtnl_dump_ifinfo (net/core/rtnetlink.c:80 net/core/rtnetlink.c:2554)
[ 1598.955190][ T44] ? rtnl_fill_ifinfo.isra.0 (net/core/rtnetlink.c:2212)
[ 1598.955274][ T44] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[ 1598.955347][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1598.955423][ T44] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[ 1598.955495][ T44] ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[ 1598.955567][ T44] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[ 1598.955637][ T44] ? __kmalloc_node_track_caller_noprof (mm/slub.c:5297 mm/slub.c:5408)
[ 1598.955722][ T44] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[ 1598.955791][ 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)
[ 1598.955863][ T44] ? __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:695 (discriminator 2))
[ 1598.955933][ T44] ? napi_skb_cache_get (./include/linux/local_lock_internal.h:61)
[ 1598.956006][ T44] rtnl_dumpit (net/core/rtnetlink.c:6931)
[ 1598.956063][ T44] netlink_dump (net/netlink/af_netlink.c:2331)
[ 1598.956130][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 1598.956197][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 1598.956266][ T44] ? netlink_lookup (./include/linux/refcount.h:291)
[ 1598.956334][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1598.956404][ T44] __netlink_dump_start (net/netlink/af_netlink.c:2446)
[ 1598.956472][ T44] ? rtnl_fill_ifinfo.isra.0 (net/core/rtnetlink.c:2212)
[ 1598.956561][ T44] rtnetlink_rcv_msg (./include/linux/netlink.h:341 net/core/rtnetlink.c:6960 net/core/rtnetlink.c:7027)
[ 1598.956635][ T44] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[ 1598.956703][ T44] ? rtnl_unlock (net/core/rtnetlink.c:157)
[ 1598.956778][ T44] ? rtnl_fill_ifinfo.isra.0 (net/core/rtnetlink.c:2212)
[ 1598.956861][ T44] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[ 1598.956928][ T44] netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[ 1598.956996][ T44] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[ 1598.957065][ T44] ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[ 1598.957134][ T44] ? netlink_ack (./include/linux/skbuff.h:2720)
[ 1598.957203][ T44] ? __netlink_lookup (./include/linux/rcupdate.h:839 ./include/linux/rhashtable.h:708 net/netlink/af_netlink.c:499)
[ 1598.957271][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1598.957344][ T44] ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[ 1598.957421][ T44] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[ 1598.957490][ T44] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[ 1598.957560][ T44] netlink_sendmsg (net/netlink/af_netlink.c:1900)
[ 1598.957632][ T44] ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[ 1598.957700][ T44] ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 6))
[ 1598.957770][ T44] ? do_anonymous_page (./include/linux/pgtable.h:117 mm/memory.c:5433)
[ 1598.957839][ T44] __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[ 1598.957910][ T44] ? __ia32_sys_getpeername (net/socket.c:2219)
[ 1598.957979][ T44] ? __pmd_alloc (./include/linux/mm.h:1682)
[ 1598.958049][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1598.958121][ T44] ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[ 1598.958189][ T44] __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[ 1598.958257][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 1598.958342][ 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))
[ 1598.958431][ T44] ? irqentry_exit (./include/linux/irq-entry-common.h:272 ./include/linux/irq-entry-common.h:317 kernel/entry/common.c:162)
[ 1598.958499][ T44] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[ 1598.958577][ T44] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[ 1598.958648][ T44] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[ 1598.958716][ T44] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[ 1598.958789][ T44] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[ 1598.958878][ T44] RIP: 0033:0x7f8fd7ea008e
[ 1598.958952][ T44] RSP: 002b:00007fff1883bf70 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 1598.959071][ T44] RAX: ffffffffffffffda RBX: 00007fff1883c1d8 RCX: 00007f8fd7ea008e
[ 1598.959180][ T44] RDX: 0000000000000028 RSI: 00007fff1883bfd0 RDI: 0000000000000005
[ 1598.959284][ T44] RBP: 00007fff1883bf80 R08: 0000000000000000 R09: 0000000000000000
[ 1598.959397][ T44] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff1883c1c8
[ 1598.959501][ T44] R13: 0000000000000009 R14: 00007f8fd8144000 R15: 0000000000423c78
| [ 1598.959603][ T44]
| [ 1598.959657][ T44] INFO: task bridge:7422 is blocked on a mutex likely owned by task kworker/u20:3:12092.
| [ 1598.959777][ T44] INFO: lockdep is turned off.
[ 1721.825079][ T44] INFO: task kworker/u16:1:69 blocked for more than 368 seconds.
[ 1721.825285][ T44] Not tainted 7.1.0-rc5-virtme #1
[ 1721.825359][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1721.825483][ T44] task:kworker/u16:1 state:D stack:24744 pid:69 tgid:69 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 1721.825644][ T44] Workqueue: ipv6_addrconf addrconf_verify_work
[ 1721.825739][ T44] Call Trace:
[ 1721.825793][ T44]
[ 1721.825831][ T44] __schedule (kernel/sched/core.c:5388 kernel/sched/core.c:7189)
[ 1721.825906][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 1721.825975][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1721.826048][ 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)
[ 1721.826134][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 1721.826204][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1721.826274][ T44] schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[ 1721.826327][ T44] schedule_preempt_disabled (kernel/sched/core.c:7340)
[ 1721.826400][ T44] __mutex_lock (kernel/locking/mutex.c:726 kernel/locking/mutex.c:820)
[ 1721.826470][ T44] ? addrconf_verify_work (./include/linux/rtnetlink.h:130 net/ipv6/addrconf.c:4761)
[ 1721.826540][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1721.826607][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 1721.826675][ T44] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[ 1721.826771][ T44] ? debug_object_deactivate (lib/debugobjects.c:915 (discriminator 3))
[ 1721.826843][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1721.826913][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1721.826983][ T44] ? addrconf_verify_work (./include/linux/rtnetlink.h:130 net/ipv6/addrconf.c:4761)
[ 1721.827054][ T44] addrconf_verify_work (./include/linux/rtnetlink.h:130 net/ipv6/addrconf.c:4761)
[ 1721.827131][ T44] process_one_work (kernel/workqueue.c:3314)
[ 1721.827207][ T44] ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[ 1721.827279][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 1721.827357][ T44] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 1721.827427][ T44] worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[ 1721.827498][ T44] ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[ 1721.827567][ T44] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[ 1721.827639][ T44] ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[ 1721.827707][ T44] kthread (kernel/kthread.c:436)
[ 1721.827765][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 1721.827853][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 1721.827922][ T44] ret_from_fork (arch/x86/kernel/process.c:158)
[ 1721.827995][ T44] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[ 1721.828084][ T44] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[ 1721.828157][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 1721.828225][ T44] ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [ 1721.828298][ T44]
| [ 1721.828360][ T44] INFO: task kworker/u16:1:69 is blocked on a mutex likely owned by task kworker/u20:3:12092.
[ 1721.828497][ T44] INFO: task kworker/u20:3:12092 blocked for more than 368 seconds.
[ 1721.828596][ T44] Not tainted 7.1.0-rc5-virtme #1
[ 1721.828665][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1721.828779][ T44] task:kworker/u20:3 state:D stack:27312 pid:12092 tgid:12092 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 1721.828928][ T44] Workqueue: events_unbound linkwatch_event
[ 1721.829015][ T44] Call Trace:
[ 1721.829068][ T44]
[ 1721.829103][ T44] __schedule (kernel/sched/core.c:5388 kernel/sched/core.c:7189)
[ 1721.829175][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 1721.829243][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1721.829311][ 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)
[ 1721.829388][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 1721.829462][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1721.829531][ T44] schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[ 1721.829588][ T44] schedule_preempt_disabled (kernel/sched/core.c:7340)
[ 1721.829657][ T44] __mutex_lock (kernel/locking/mutex.c:726 kernel/locking/mutex.c:820)
[ 1721.829725][ 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)
[ 1721.829811][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 1721.829880][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1721.829948][ 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)
[ 1721.830016][ T44] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180)
[ 1721.830090][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 1721.830177][ T44] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[ 1721.830261][ T44] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[ 1721.830329][ T44] ? __local_bh_enable_ip (kernel/softirq.c:455)
[ 1721.830404][ T44] ? fib6_walk (net/ipv6/ip6_fib.c:89 net/ipv6/ip6_fib.c:2229)
[ 1721.830474][ 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)
[ 1721.830559][ 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)
[ 1721.830642][ T44] ? fib6_walk (./include/linux/list.h:262 net/ipv6/ip6_fib.c:88 net/ipv6/ip6_fib.c:2229)
[ 1721.830729][ T44] port_cost (net/bridge/br_if.c:39)
[ 1721.830789][ T44] ? br_multicast_flood (??:?)
[ 1721.830857][ T44] ? fib6_del (net/ipv6/ip6_fib.c:2077)
[ 1721.830910][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1721.830978][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 1721.831045][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1721.831115][ T44] br_port_carrier_check (net/bridge/br_if.c:80)
[ 1721.831183][ T44] br_device_event (net/bridge/br.c:101)
[ 1721.831260][ T44] ? fib6_ifdown (net/ipv6/route.c:4962)
[ 1721.831328][ T44] ? packet_sendmsg_spkt (af_packet.c:?)
[ 1721.831401][ T44] ? addrconf_notify (net/ipv6/addrconf.c:3755)
[ 1721.831470][ T44] notifier_call_chain (kernel/notifier.c:85)
[ 1721.831539][ T44] netif_state_change (net/core/dev.c:1603)
[ 1721.831610][ T44] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[ 1721.831699][ T44] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[ 1721.831766][ T44] __linkwatch_run_queue (net/core/link_watch.c:240)
[ 1721.831840][ T44] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[ 1721.831908][ T44] ? debug_object_active_state (lib/debugobjects.c:1077)
[ 1721.831997][ T44] linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[ 1721.832067][ T44] ? __linkwatch_run_queue (net/core/link_watch.c:213)
[ 1721.832134][ T44] process_one_work (kernel/workqueue.c:3314)
[ 1721.832200][ T44] ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[ 1721.832267][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 1721.832341][ T44] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 1721.832413][ T44] worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[ 1721.832479][ T44] ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[ 1721.832546][ T44] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[ 1721.832615][ T44] ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[ 1721.832681][ T44] kthread (kernel/kthread.c:436)
[ 1721.832733][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 1721.832821][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 1721.832890][ T44] ret_from_fork (arch/x86/kernel/process.c:158)
[ 1721.832956][ T44] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[ 1721.833041][ T44] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[ 1721.833117][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 1721.833186][ T44] ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [ 1721.833258][ T44]
| [ 1721.833310][ T44] INFO: task kworker/u20:3:12092 is blocked on a mutex likely owned by task kworker/u20:3:12092.
[ 1721.833459][ T44] INFO: task bridge:7422 blocked for more than 368 seconds.
[ 1721.833554][ T44] Not tainted 7.1.0-rc5-virtme #1
[ 1721.833618][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1721.833729][ T44] task:bridge state:D stack:25840 pid:7422 tgid:7422 ppid:7421 task_flags:0x400100 flags:0x00080000
[ 1721.833891][ T44] Call Trace:
[ 1721.833942][ T44]
[ 1721.833977][ T44] __schedule (kernel/sched/core.c:5388 kernel/sched/core.c:7189)
[ 1721.834047][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 1721.834121][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1721.834190][ 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)
[ 1721.834263][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 1721.834336][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1721.834411][ T44] schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[ 1721.834463][ T44] schedule_preempt_disabled (kernel/sched/core.c:7340)
[ 1721.834531][ T44] __mutex_lock (kernel/locking/mutex.c:726 kernel/locking/mutex.c:820)
[ 1721.834600][ T44] ? rtnl_dump_ifinfo (net/core/rtnetlink.c:80 net/core/rtnetlink.c:2554)
[ 1721.834667][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 1721.834736][ T44] ? nla_get_range_signed (lib/nlattr.c:270)
[ 1721.834804][ T44] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[ 1721.834893][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1721.834959][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 1721.835027][ T44] ? __nla_validate_parse (lib/nlattr.c:635)
[ 1721.835099][ T44] ? rtnl_dump_ifinfo (net/core/rtnetlink.c:80 net/core/rtnetlink.c:2554)
[ 1721.835166][ T44] rtnl_dump_ifinfo (net/core/rtnetlink.c:80 net/core/rtnetlink.c:2554)
[ 1721.835236][ T44] ? rtnl_fill_ifinfo.isra.0 (net/core/rtnetlink.c:2212)
[ 1721.835322][ T44] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[ 1721.835397][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1721.835464][ T44] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[ 1721.835537][ T44] ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[ 1721.835607][ T44] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[ 1721.835675][ T44] ? __kmalloc_node_track_caller_noprof (mm/slub.c:5297 mm/slub.c:5408)
[ 1721.835758][ T44] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[ 1721.835837][ 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)
[ 1721.835908][ T44] ? __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:695 (discriminator 2))
[ 1721.835975][ T44] ? napi_skb_cache_get (./include/linux/local_lock_internal.h:61)
[ 1721.836042][ T44] rtnl_dumpit (net/core/rtnetlink.c:6931)
[ 1721.836098][ T44] netlink_dump (net/netlink/af_netlink.c:2331)
[ 1721.836166][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 1721.836233][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 1721.836310][ T44] ? netlink_lookup (./include/linux/refcount.h:291)
[ 1721.836382][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1721.836455][ T44] __netlink_dump_start (net/netlink/af_netlink.c:2446)
[ 1721.836523][ T44] ? rtnl_fill_ifinfo.isra.0 (net/core/rtnetlink.c:2212)
[ 1721.836608][ T44] rtnetlink_rcv_msg (./include/linux/netlink.h:341 net/core/rtnetlink.c:6960 net/core/rtnetlink.c:7027)
[ 1721.836675][ T44] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[ 1721.836748][ T44] ? rtnl_unlock (net/core/rtnetlink.c:157)
[ 1721.836816][ T44] ? rtnl_fill_ifinfo.isra.0 (net/core/rtnetlink.c:2212)
[ 1721.836901][ T44] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[ 1721.836975][ T44] netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[ 1721.837044][ T44] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[ 1721.837118][ T44] ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[ 1721.837191][ T44] ? netlink_ack (./include/linux/skbuff.h:2720)
[ 1721.837264][ T44] ? __netlink_lookup (./include/linux/rcupdate.h:839 ./include/linux/rhashtable.h:708 net/netlink/af_netlink.c:499)
[ 1721.837337][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1721.837406][ T44] ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[ 1721.837474][ T44] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[ 1721.837556][ T44] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[ 1721.837625][ T44] netlink_sendmsg (net/netlink/af_netlink.c:1900)
[ 1721.837696][ T44] ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[ 1721.837767][ T44] ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 6))
[ 1721.837836][ T44] ? do_anonymous_page (./include/linux/pgtable.h:117 mm/memory.c:5433)
[ 1721.837904][ T44] __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[ 1721.837973][ T44] ? __ia32_sys_getpeername (net/socket.c:2219)
[ 1721.838041][ T44] ? __pmd_alloc (./include/linux/mm.h:1682)
[ 1721.838118][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1721.838187][ T44] ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[ 1721.838255][ T44] __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[ 1721.838324][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 1721.838414][ 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))
[ 1721.838499][ T44] ? irqentry_exit (./include/linux/irq-entry-common.h:272 ./include/linux/irq-entry-common.h:317 kernel/entry/common.c:162)
[ 1721.838566][ T44] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[ 1721.838641][ T44] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[ 1721.838714][ T44] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[ 1721.838783][ T44] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[ 1721.838851][ T44] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[ 1721.838936][ T44] RIP: 0033:0x7f8fd7ea008e
[ 1721.839010][ T44] RSP: 002b:00007fff1883bf70 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 1721.839121][ T44] RAX: ffffffffffffffda RBX: 00007fff1883c1d8 RCX: 00007f8fd7ea008e
[ 1721.839233][ T44] RDX: 0000000000000028 RSI: 00007fff1883bfd0 RDI: 0000000000000005
[ 1721.839336][ T44] RBP: 00007fff1883bf80 R08: 0000000000000000 R09: 0000000000000000
[ 1721.839445][ T44] R10: 0000000000000000 R11: 0000000000000202 R12: 00007fff1883c1c8
[ 1721.839548][ T44] R13: 0000000000000009 R14: 00007f8fd8144000 R15: 0000000000423c78
| [ 1721.839659][ T44]
| [ 1721.839715][ T44] INFO: task bridge:7422 is blocked on a mutex likely owned by task kworker/u20:3:12092.
| [ 1721.839829][ T44] INFO: lockdep is turned off.
[ 1844.704067][ T44] INFO: task kworker/u16:1:69 blocked for more than 491 seconds.
[ 1844.704236][ T44] Not tainted 7.1.0-rc5-virtme #1
[ 1844.704304][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1844.704421][ T44] task:kworker/u16:1 state:D stack:24744 pid:69 tgid:69 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 1844.704573][ T44] Workqueue: ipv6_addrconf addrconf_verify_work
[ 1844.704659][ T44] Call Trace:
[ 1844.704709][ T44]
[ 1844.704748][ T44] __schedule (kernel/sched/core.c:5388 kernel/sched/core.c:7189)
[ 1844.704822][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 1844.704893][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1844.704961][ 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)
[ 1844.705032][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 1844.705111][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1844.705180][ T44] schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[ 1844.705235][ T44] schedule_preempt_disabled (kernel/sched/core.c:7340)
[ 1844.705304][ T44] __mutex_lock (kernel/locking/mutex.c:726 kernel/locking/mutex.c:820)
[ 1844.705375][ T44] ? addrconf_verify_work (./include/linux/rtnetlink.h:130 net/ipv6/addrconf.c:4761)
[ 1844.705443][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1844.705513][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 1844.705582][ T44] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[ 1844.705665][ T44] ? debug_object_deactivate (lib/debugobjects.c:915 (discriminator 3))
[ 1844.705739][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1844.705809][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1844.705877][ T44] ? addrconf_verify_work (./include/linux/rtnetlink.h:130 net/ipv6/addrconf.c:4761)
[ 1844.705948][ T44] addrconf_verify_work (./include/linux/rtnetlink.h:130 net/ipv6/addrconf.c:4761)
[ 1844.706017][ T44] process_one_work (kernel/workqueue.c:3314)
[ 1844.706094][ T44] ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[ 1844.706172][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 1844.706240][ T44] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 1844.706308][ T44] worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[ 1844.706377][ T44] ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[ 1844.706449][ T44] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[ 1844.706520][ T44] ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[ 1844.706592][ T44] kthread (kernel/kthread.c:436)
[ 1844.706646][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 1844.706736][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 1844.706809][ T44] ret_from_fork (arch/x86/kernel/process.c:158)
[ 1844.706878][ T44] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[ 1844.706974][ T44] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[ 1844.707041][ 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