======================================
| [ 660.242285][T15022] vx0: entered allmulticast mode
| [ 660.243086][T15022] vx0: entered promiscuous mode
| [ 660.243313][T15022] br0: port 2(vx0) entered blocking state
| [ 660.243396][T15022] br0: port 2(vx0) entered forwarding state
| [ 665.737532][ T39] br0: port 1(swp1) entered disabled state
[ 861.621379][ T44] INFO: task kworker/u19:2:840 blocked for more than 122 seconds.
[ 861.621575][ T44] Not tainted 7.1.0-rc5-virtme #1
[ 861.621644][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 861.621756][ T44] task:kworker/u19:2 state:D stack:27504 pid:840 tgid:840 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 861.621921][ T44] Workqueue: events_unbound linkwatch_event
[ 861.622017][ T44] Call Trace:
[ 861.622078][ T44]
[ 861.622118][ T44] __schedule (kernel/sched/core.c:5388 kernel/sched/core.c:7189)
[ 861.622195][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 861.622263][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 861.622333][ 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)
[ 861.622417][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 861.622490][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 861.622561][ T44] schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[ 861.622614][ T44] schedule_preempt_disabled (kernel/sched/core.c:7340)
[ 861.622685][ T44] __mutex_lock (kernel/locking/mutex.c:726 kernel/locking/mutex.c:820)
[ 861.622756][ 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)
[ 861.622851][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 861.622926][ T44] ? __smp_call_single_queue (./arch/x86/include/asm/smp.h:95 kernel/smp.c:120 kernel/smp.c:427)
[ 861.622996][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 861.623071][ 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)
[ 861.623138][ T44] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180)
[ 861.623205][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 861.623295][ T44] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[ 861.623388][ T44] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[ 861.623458][ T44] ? __local_bh_enable_ip (kernel/softirq.c:455)
[ 861.623538][ T44] ? fib6_walk (net/ipv6/ip6_fib.c:89 net/ipv6/ip6_fib.c:2229)
[ 861.623608][ 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)
[ 861.623695][ 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)
[ 861.623787][ T44] ? fib6_walk (./include/linux/list.h:262 net/ipv6/ip6_fib.c:88 net/ipv6/ip6_fib.c:2229)
[ 861.623864][ T44] port_cost (net/bridge/br_if.c:39)
[ 861.623924][ T44] ? br_multicast_flood (??:?)
[ 861.623994][ T44] ? fib6_del (net/ipv6/ip6_fib.c:2077)
[ 861.624048][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 861.624120][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 861.624186][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 861.624253][ T44] br_port_carrier_check (net/bridge/br_if.c:80)
[ 861.624320][ T44] br_device_event (net/bridge/br.c:101)
[ 861.624394][ T44] ? fib6_ifdown (net/ipv6/route.c:4962)
[ 861.624461][ T44] ? packet_sendmsg_spkt (af_packet.c:?)
[ 861.624529][ T44] ? addrconf_notify (net/ipv6/addrconf.c:3755)
[ 861.624597][ T44] notifier_call_chain (kernel/notifier.c:85)
[ 861.624667][ T44] netif_state_change (net/core/dev.c:1603)
[ 861.624737][ T44] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[ 861.624824][ T44] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[ 861.624890][ T44] __linkwatch_run_queue (net/core/link_watch.c:240)
[ 861.624958][ T44] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[ 861.625025][ T44] ? debug_object_active_state (lib/debugobjects.c:1077)
[ 861.625144][ T44] linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[ 861.625212][ T44] ? __linkwatch_run_queue (net/core/link_watch.c:213)
[ 861.625279][ T44] process_one_work (kernel/workqueue.c:3314)
[ 861.625352][ T44] ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[ 861.625422][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 861.625492][ T44] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 861.625564][ T44] worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[ 861.625639][ T44] ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[ 861.625710][ T44] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[ 861.625778][ T44] ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[ 861.625847][ T44] kthread (kernel/kthread.c:436)
[ 861.625902][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 861.625984][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 861.626055][ T44] ret_from_fork (arch/x86/kernel/process.c:158)
[ 861.626127][ T44] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[ 861.626216][ T44] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[ 861.626284][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 861.626351][ T44] ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [ 861.626427][ T44]
| [ 861.626482][ T44] INFO: task kworker/u19:2:840 is blocked on a mutex likely owned by task kworker/u19:2:840.
[ 861.626611][ T44] INFO: task bridge:15067 blocked for more than 122 seconds.
[ 861.626706][ T44] Not tainted 7.1.0-rc5-virtme #1
[ 861.626770][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 861.626879][ T44] task:bridge state:D stack:25840 pid:15067 tgid:15067 ppid:15066 task_flags:0x400100 flags:0x00080000
[ 861.627028][ T44] Call Trace:
[ 861.627079][ T44]
[ 861.627113][ T44] __schedule (kernel/sched/core.c:5388 kernel/sched/core.c:7189)
[ 861.627180][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 861.627248][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 861.627316][ 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)
[ 861.627387][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 861.627453][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 861.627520][ T44] schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[ 861.627570][ T44] schedule_preempt_disabled (kernel/sched/core.c:7340)
[ 861.627637][ T44] __mutex_lock (kernel/locking/mutex.c:726 kernel/locking/mutex.c:820)
[ 861.627705][ T44] ? rtnl_dump_ifinfo (net/core/rtnetlink.c:80 net/core/rtnetlink.c:2554)
[ 861.627773][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 861.627842][ T44] ? nla_get_range_signed (lib/nlattr.c:270)
[ 861.627911][ T44] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[ 861.627994][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 861.628064][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 861.628130][ T44] ? __nla_validate_parse (lib/nlattr.c:635)
[ 861.628198][ T44] ? rtnl_dump_ifinfo (net/core/rtnetlink.c:80 net/core/rtnetlink.c:2554)
[ 861.628264][ T44] rtnl_dump_ifinfo (net/core/rtnetlink.c:80 net/core/rtnetlink.c:2554)
[ 861.628332][ T44] ? rtnl_fill_ifinfo.isra.0 (net/core/rtnetlink.c:2212)
[ 861.628418][ T44] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[ 861.628487][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 861.628552][ T44] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[ 861.628624][ T44] ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[ 861.628693][ T44] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[ 861.628762][ T44] ? __kmalloc_node_track_caller_noprof (mm/slub.c:5297 mm/slub.c:5408)
[ 861.628848][ T44] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[ 861.628919][ 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)
[ 861.628986][ T44] ? __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:695 (discriminator 2))
[ 861.629053][ T44] ? napi_skb_cache_get (./include/linux/local_lock_internal.h:61)
[ 861.629120][ T44] rtnl_dumpit (net/core/rtnetlink.c:6931)
[ 861.629174][ T44] netlink_dump (net/netlink/af_netlink.c:2331)
[ 861.629242][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 861.629307][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 861.629377][ T44] ? netlink_lookup (./include/linux/refcount.h:291)
[ 861.629446][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 861.629514][ T44] __netlink_dump_start (net/netlink/af_netlink.c:2446)
[ 861.629585][ T44] ? rtnl_fill_ifinfo.isra.0 (net/core/rtnetlink.c:2212)
[ 861.629673][ T44] rtnetlink_rcv_msg (./include/linux/netlink.h:341 net/core/rtnetlink.c:6960 net/core/rtnetlink.c:7027)
[ 861.629740][ T44] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[ 861.629808][ T44] ? rtnl_unlock (net/core/rtnetlink.c:157)
[ 861.629876][ T44] ? rtnl_fill_ifinfo.isra.0 (net/core/rtnetlink.c:2212)
[ 861.629960][ T44] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[ 861.630026][ T44] netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[ 861.630092][ T44] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[ 861.630158][ T44] ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[ 861.630225][ T44] ? netlink_ack (./include/linux/skbuff.h:2720)
[ 861.630291][ T44] ? __netlink_lookup (./include/linux/rcupdate.h:839 ./include/linux/rhashtable.h:708 net/netlink/af_netlink.c:499)
[ 861.630358][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 861.630428][ T44] ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[ 861.630494][ T44] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[ 861.630560][ T44] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[ 861.630631][ T44] netlink_sendmsg (net/netlink/af_netlink.c:1900)
[ 861.630697][ T44] ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[ 861.630762][ T44] ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 6))
[ 861.630844][ T44] ? do_anonymous_page (./include/linux/pgtable.h:117 mm/memory.c:5433)
[ 861.630910][ T44] __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[ 861.630977][ T44] ? __ia32_sys_getpeername (net/socket.c:2219)
[ 861.631044][ T44] ? __pmd_alloc (./include/linux/mm.h:1682)
[ 861.631118][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 861.631185][ T44] ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[ 861.631253][ T44] __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[ 861.631320][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 861.631408][ 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))
[ 861.631494][ T44] ? irqentry_exit (./include/linux/irq-entry-common.h:272 ./include/linux/irq-entry-common.h:317 kernel/entry/common.c:162)
[ 861.631558][ T44] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[ 861.631623][ T44] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[ 861.631690][ T44] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[ 861.631755][ T44] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[ 861.631823][ T44] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[ 861.631909][ T44] RIP: 0033:0x7f894442108e
[ 861.631979][ T44] RSP: 002b:00007ffc0b9dbc10 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 861.632083][ T44] RAX: ffffffffffffffda RBX: 00007ffc0b9dbe78 RCX: 00007f894442108e
[ 861.632186][ T44] RDX: 0000000000000028 RSI: 00007ffc0b9dbc70 RDI: 0000000000000005
[ 861.632286][ T44] RBP: 00007ffc0b9dbc20 R08: 0000000000000000 R09: 0000000000000000
[ 861.632394][ T44] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc0b9dbe68
[ 861.632496][ T44] R13: 0000000000000009 R14: 00007f89446c5000 R15: 0000000000423c78
| [ 861.632600][ T44]
| [ 861.632652][ T44] INFO: task bridge:15067 is blocked on a mutex likely owned by task kworker/u19:2:840.
| [ 861.632768][ T44] INFO: lockdep is turned off.
[ 984.501379][ T44] INFO: task kworker/u16:0:12 blocked for more than 122 seconds.
[ 984.501567][ T44] Not tainted 7.1.0-rc5-virtme #1
[ 984.501639][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 984.501762][ T44] task:kworker/u16:0 state:D stack:25080 pid:12 tgid:12 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 984.501927][ T44] Workqueue: ipv6_addrconf addrconf_verify_work
[ 984.502020][ T44] Call Trace:
[ 984.502074][ T44]
[ 984.502112][ T44] __schedule (kernel/sched/core.c:5388 kernel/sched/core.c:7189)
[ 984.502191][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 984.502261][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 984.502332][ 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)
[ 984.502411][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 984.502482][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 984.502552][ T44] schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[ 984.502606][ T44] schedule_preempt_disabled (kernel/sched/core.c:7340)
[ 984.502676][ T44] __mutex_lock (kernel/locking/mutex.c:726 kernel/locking/mutex.c:820)
[ 984.502745][ T44] ? addrconf_verify_work (./include/linux/rtnetlink.h:130 net/ipv6/addrconf.c:4761)
[ 984.502814][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 984.502882][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 984.502953][ T44] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[ 984.503047][ T44] ? debug_object_deactivate (lib/debugobjects.c:915 (discriminator 3))
[ 984.503119][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 984.503188][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 984.503256][ T44] ? addrconf_verify_work (./include/linux/rtnetlink.h:130 net/ipv6/addrconf.c:4761)
[ 984.503322][ T44] addrconf_verify_work (./include/linux/rtnetlink.h:130 net/ipv6/addrconf.c:4761)
[ 984.503395][ T44] process_one_work (kernel/workqueue.c:3314)
[ 984.503467][ T44] ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[ 984.503551][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 984.503620][ T44] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 984.503687][ T44] worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[ 984.503755][ T44] ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[ 984.503821][ T44] kthread (kernel/kthread.c:436)
[ 984.503874][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 984.503959][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 984.504031][ T44] ret_from_fork (arch/x86/kernel/process.c:158)
[ 984.504100][ T44] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[ 984.504188][ T44] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[ 984.504257][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 984.504323][ T44] ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [ 984.504400][ T44]
| [ 984.504459][ T44] INFO: task kworker/u16:0:12 is blocked on a mutex likely owned by task kworker/u19:2:840.
[ 984.504594][ T44] INFO: task kworker/u19:2:840 blocked for more than 245 seconds.
[ 984.504687][ T44] Not tainted 7.1.0-rc5-virtme #1
[ 984.504750][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 984.504856][ T44] task:kworker/u19:2 state:D stack:27504 pid:840 tgid:840 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 984.505007][ T44] Workqueue: events_unbound linkwatch_event
[ 984.505089][ T44] Call Trace:
[ 984.505142][ T44]
[ 984.505176][ T44] __schedule (kernel/sched/core.c:5388 kernel/sched/core.c:7189)
[ 984.505242][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 984.505309][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 984.505381][ 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)
[ 984.505448][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 984.505519][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 984.505591][ T44] schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[ 984.505643][ T44] schedule_preempt_disabled (kernel/sched/core.c:7340)
[ 984.505715][ T44] __mutex_lock (kernel/locking/mutex.c:726 kernel/locking/mutex.c:820)
[ 984.505783][ 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)
[ 984.505874][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 984.505944][ T44] ? __smp_call_single_queue (./arch/x86/include/asm/smp.h:95 kernel/smp.c:120 kernel/smp.c:427)
[ 984.506011][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 984.506083][ 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)
[ 984.506157][ T44] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180)
[ 984.506223][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 984.506306][ T44] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[ 984.506393][ T44] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[ 984.506461][ T44] ? __local_bh_enable_ip (kernel/softirq.c:455)
[ 984.506530][ T44] ? fib6_walk (net/ipv6/ip6_fib.c:89 net/ipv6/ip6_fib.c:2229)
[ 984.506603][ 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)
[ 984.506691][ 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)
[ 984.506774][ T44] ? fib6_walk (./include/linux/list.h:262 net/ipv6/ip6_fib.c:88 net/ipv6/ip6_fib.c:2229)
[ 984.506842][ T44] port_cost (net/bridge/br_if.c:39)
[ 984.506894][ T44] ? br_multicast_flood (??:?)
[ 984.506960][ T44] ? fib6_del (net/ipv6/ip6_fib.c:2077)
[ 984.507011][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 984.507086][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 984.507156][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 984.507223][ T44] br_port_carrier_check (net/bridge/br_if.c:80)
[ 984.507291][ T44] br_device_event (net/bridge/br.c:101)
[ 984.507360][ T44] ? fib6_ifdown (net/ipv6/route.c:4962)
[ 984.507436][ T44] ? packet_sendmsg_spkt (af_packet.c:?)
[ 984.507503][ T44] ? addrconf_notify (net/ipv6/addrconf.c:3755)
[ 984.507570][ T44] notifier_call_chain (kernel/notifier.c:85)
[ 984.507645][ T44] netif_state_change (net/core/dev.c:1603)
[ 984.507715][ T44] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[ 984.507798][ T44] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[ 984.507870][ T44] __linkwatch_run_queue (net/core/link_watch.c:240)
[ 984.507936][ T44] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[ 984.508002][ T44] ? debug_object_active_state (lib/debugobjects.c:1077)
[ 984.508084][ T44] linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[ 984.508158][ T44] ? __linkwatch_run_queue (net/core/link_watch.c:213)
[ 984.508224][ T44] process_one_work (kernel/workqueue.c:3314)
[ 984.508291][ T44] ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[ 984.508360][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 984.508432][ T44] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 984.508502][ T44] worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[ 984.508571][ T44] ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[ 984.508643][ T44] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[ 984.508715][ T44] ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[ 984.508781][ T44] kthread (kernel/kthread.c:436)
[ 984.508836][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 984.508922][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 984.508988][ T44] ret_from_fork (arch/x86/kernel/process.c:158)
[ 984.509055][ T44] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[ 984.509145][ T44] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[ 984.509212][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 984.509286][ T44] ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [ 984.509355][ T44]
| [ 984.509416][ T44] INFO: task kworker/u19:2:840 is blocked on a mutex likely owned by task kworker/u19:2:840.
[ 984.509552][ T44] INFO: task bridge:15067 blocked for more than 245 seconds.
[ 984.509647][ T44] Not tainted 7.1.0-rc5-virtme #1
[ 984.509718][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 984.509826][ T44] task:bridge state:D stack:25840 pid:15067 tgid:15067 ppid:15066 task_flags:0x400100 flags:0x00080000
[ 984.509972][ T44] Call Trace:
[ 984.510021][ T44]
[ 984.510056][ T44] __schedule (kernel/sched/core.c:5388 kernel/sched/core.c:7189)
[ 984.510128][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 984.510202][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 984.510269][ 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)
[ 984.510338][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 984.510411][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 984.510479][ T44] schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[ 984.510530][ T44] schedule_preempt_disabled (kernel/sched/core.c:7340)
[ 984.510598][ T44] __mutex_lock (kernel/locking/mutex.c:726 kernel/locking/mutex.c:820)
[ 984.510674][ T44] ? rtnl_dump_ifinfo (net/core/rtnetlink.c:80 net/core/rtnetlink.c:2554)
[ 984.510743][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 984.510815][ T44] ? nla_get_range_signed (lib/nlattr.c:270)
[ 984.510884][ T44] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[ 984.510970][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 984.511037][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 984.511110][ T44] ? __nla_validate_parse (lib/nlattr.c:635)
[ 984.511184][ T44] ? rtnl_dump_ifinfo (net/core/rtnetlink.c:80 net/core/rtnetlink.c:2554)
[ 984.511251][ T44] rtnl_dump_ifinfo (net/core/rtnetlink.c:80 net/core/rtnetlink.c:2554)
[ 984.511320][ T44] ? rtnl_fill_ifinfo.isra.0 (net/core/rtnetlink.c:2212)
[ 984.511405][ T44] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[ 984.511474][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 984.511542][ T44] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[ 984.511614][ T44] ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[ 984.511688][ T44] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[ 984.511756][ T44] ? __kmalloc_node_track_caller_noprof (mm/slub.c:5297 mm/slub.c:5408)
[ 984.511843][ T44] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[ 984.511917][ 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)
[ 984.511993][ T44] ? __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:695 (discriminator 2))
[ 984.512062][ T44] ? napi_skb_cache_get (./include/linux/local_lock_internal.h:61)
[ 984.512131][ T44] rtnl_dumpit (net/core/rtnetlink.c:6931)
[ 984.512182][ T44] netlink_dump (net/netlink/af_netlink.c:2331)
[ 984.512254][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 984.512323][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 984.512395][ T44] ? netlink_lookup (./include/linux/refcount.h:291)
[ 984.512464][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 984.512532][ T44] __netlink_dump_start (net/netlink/af_netlink.c:2446)
[ 984.512600][ T44] ? rtnl_fill_ifinfo.isra.0 (net/core/rtnetlink.c:2212)
[ 984.512685][ T44] rtnetlink_rcv_msg (./include/linux/netlink.h:341 net/core/rtnetlink.c:6960 net/core/rtnetlink.c:7027)
[ 984.512755][ T44] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[ 984.512822][ T44] ? rtnl_unlock (net/core/rtnetlink.c:157)
[ 984.512890][ T44] ? rtnl_fill_ifinfo.isra.0 (net/core/rtnetlink.c:2212)
[ 984.512974][ T44] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[ 984.513042][ T44] netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[ 984.513109][ T44] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[ 984.513178][ T44] ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[ 984.513244][ T44] ? netlink_ack (./include/linux/skbuff.h:2720)
[ 984.513321][ T44] ? __netlink_lookup (./include/linux/rcupdate.h:839 ./include/linux/rhashtable.h:708 net/netlink/af_netlink.c:499)
[ 984.513390][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 984.513457][ T44] ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[ 984.513525][ T44] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[ 984.513598][ T44] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[ 984.513669][ T44] netlink_sendmsg (net/netlink/af_netlink.c:1900)
[ 984.513737][ T44] ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[ 984.513806][ T44] ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 6))
[ 984.513877][ T44] ? do_anonymous_page (./include/linux/pgtable.h:117 mm/memory.c:5433)
[ 984.513945][ T44] __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[ 984.514015][ T44] ? __ia32_sys_getpeername (net/socket.c:2219)
[ 984.514083][ T44] ? __pmd_alloc (./include/linux/mm.h:1682)
[ 984.514159][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 984.514226][ T44] ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[ 984.514292][ T44] __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[ 984.514360][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 984.514454][ 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))
[ 984.514540][ T44] ? irqentry_exit (./include/linux/irq-entry-common.h:272 ./include/linux/irq-entry-common.h:317 kernel/entry/common.c:162)
[ 984.514608][ T44] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[ 984.514676][ T44] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[ 984.514748][ T44] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[ 984.514816][ T44] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[ 984.514883][ T44] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[ 984.514973][ T44] RIP: 0033:0x7f894442108e
[ 984.515045][ T44] RSP: 002b:00007ffc0b9dbc10 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 984.515153][ T44] RAX: ffffffffffffffda RBX: 00007ffc0b9dbe78 RCX: 00007f894442108e
[ 984.515259][ T44] RDX: 0000000000000028 RSI: 00007ffc0b9dbc70 RDI: 0000000000000005
[ 984.515361][ T44] RBP: 00007ffc0b9dbc20 R08: 0000000000000000 R09: 0000000000000000
[ 984.515470][ T44] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc0b9dbe68
[ 984.515571][ T44] R13: 0000000000000009 R14: 00007f89446c5000 R15: 0000000000423c78
| [ 984.515676][ T44]
| [ 984.515728][ T44] INFO: task bridge:15067 is blocked on a mutex likely owned by task kworker/u19:2:840.
| [ 984.515844][ T44] INFO: lockdep is turned off.
[ 1107.381374][ T44] INFO: task kworker/u16:0:12 blocked for more than 245 seconds.
[ 1107.381540][ T44] Not tainted 7.1.0-rc5-virtme #1
[ 1107.381607][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1107.381719][ T44] task:kworker/u16:0 state:D stack:25080 pid:12 tgid:12 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 1107.381877][ T44] Workqueue: ipv6_addrconf addrconf_verify_work
[ 1107.381963][ T44] Call Trace:
[ 1107.382015][ T44]
[ 1107.382052][ T44] __schedule (kernel/sched/core.c:5388 kernel/sched/core.c:7189)
[ 1107.382121][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 1107.382189][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1107.382258][ 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)
[ 1107.382327][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 1107.382407][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1107.382478][ T44] schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[ 1107.382528][ T44] schedule_preempt_disabled (kernel/sched/core.c:7340)
[ 1107.382595][ T44] __mutex_lock (kernel/locking/mutex.c:726 kernel/locking/mutex.c:820)
[ 1107.382661][ T44] ? addrconf_verify_work (./include/linux/rtnetlink.h:130 net/ipv6/addrconf.c:4761)
[ 1107.382735][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1107.382801][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 1107.382867][ T44] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[ 1107.382950][ T44] ? debug_object_deactivate (lib/debugobjects.c:915 (discriminator 3))
[ 1107.383018][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1107.383086][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1107.383153][ T44] ? addrconf_verify_work (./include/linux/rtnetlink.h:130 net/ipv6/addrconf.c:4761)
[ 1107.383220][ T44] addrconf_verify_work (./include/linux/rtnetlink.h:130 net/ipv6/addrconf.c:4761)
[ 1107.383291][ T44] process_one_work (kernel/workqueue.c:3314)
[ 1107.383369][ T44] ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[ 1107.383439][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 1107.383517][ T44] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 1107.383593][ T44] worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[ 1107.383661][ T44] ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[ 1107.383732][ T44] kthread (kernel/kthread.c:436)
[ 1107.383786][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 1107.383870][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 1107.383939][ T44] ret_from_fork (arch/x86/kernel/process.c:158)
[ 1107.384007][ T44] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[ 1107.384091][ T44] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[ 1107.384157][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 1107.384227][ T44] ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [ 1107.384297][ T44]
| [ 1107.384350][ T44] INFO: task kworker/u16:0:12 is blocked on a mutex likely owned by task kworker/u19:2:840.
[ 1107.384487][ T44] INFO: task kworker/u19:2:840 blocked for more than 368 seconds.
[ 1107.384581][ T44] Not tainted 7.1.0-rc5-virtme #1
[ 1107.384644][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1107.384754][ T44] task:kworker/u19:2 state:D stack:27504 pid:840 tgid:840 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 1107.384906][ T44] Workqueue: events_unbound linkwatch_event
[ 1107.384990][ T44] Call Trace:
[ 1107.385040][ T44]
[ 1107.385074][ T44] __schedule (kernel/sched/core.c:5388 kernel/sched/core.c:7189)
[ 1107.385140][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 1107.385208][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1107.385276][ 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)
[ 1107.385342][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 1107.385418][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1107.385488][ T44] schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[ 1107.385541][ T44] schedule_preempt_disabled (kernel/sched/core.c:7340)
[ 1107.385610][ T44] __mutex_lock (kernel/locking/mutex.c:726 kernel/locking/mutex.c:820)
[ 1107.385682][ 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)
[ 1107.385766][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 1107.385834][ T44] ? __smp_call_single_queue (./arch/x86/include/asm/smp.h:95 kernel/smp.c:120 kernel/smp.c:427)
[ 1107.385901][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1107.385971][ 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)
[ 1107.386038][ T44] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180)
[ 1107.386107][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 1107.386191][ T44] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[ 1107.386274][ T44] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[ 1107.386344][ T44] ? __local_bh_enable_ip (kernel/softirq.c:455)
[ 1107.386415][ T44] ? fib6_walk (net/ipv6/ip6_fib.c:89 net/ipv6/ip6_fib.c:2229)
[ 1107.386486][ 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)
[ 1107.386568][ 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)
[ 1107.386653][ T44] ? fib6_walk (./include/linux/list.h:262 net/ipv6/ip6_fib.c:88 net/ipv6/ip6_fib.c:2229)
[ 1107.386721][ T44] port_cost (net/bridge/br_if.c:39)
[ 1107.386774][ T44] ? br_multicast_flood (??:?)
[ 1107.386840][ T44] ? fib6_del (net/ipv6/ip6_fib.c:2077)
[ 1107.386891][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1107.386960][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 1107.387026][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1107.387092][ T44] br_port_carrier_check (net/bridge/br_if.c:80)
[ 1107.387159][ T44] br_device_event (net/bridge/br.c:101)
[ 1107.387226][ T44] ? fib6_ifdown (net/ipv6/route.c:4962)
[ 1107.387292][ T44] ? packet_sendmsg_spkt (af_packet.c:?)
[ 1107.387359][ T44] ? addrconf_notify (net/ipv6/addrconf.c:3755)
[ 1107.387433][ T44] notifier_call_chain (kernel/notifier.c:85)
[ 1107.387506][ T44] netif_state_change (net/core/dev.c:1603)
[ 1107.387573][ T44] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[ 1107.387655][ T44] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[ 1107.387728][ T44] __linkwatch_run_queue (net/core/link_watch.c:240)
[ 1107.387794][ T44] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[ 1107.387860][ T44] ? debug_object_active_state (lib/debugobjects.c:1077)
[ 1107.387942][ T44] linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[ 1107.388010][ T44] ? __linkwatch_run_queue (net/core/link_watch.c:213)
[ 1107.388077][ T44] process_one_work (kernel/workqueue.c:3314)
[ 1107.388144][ T44] ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[ 1107.388210][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 1107.388277][ T44] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 1107.388346][ T44] worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[ 1107.388418][ T44] ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[ 1107.388492][ T44] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[ 1107.388557][ T44] ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[ 1107.388625][ T44] kthread (kernel/kthread.c:436)
[ 1107.388677][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 1107.388759][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 1107.388826][ T44] ret_from_fork (arch/x86/kernel/process.c:158)
[ 1107.388891][ T44] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[ 1107.388976][ T44] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[ 1107.389043][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 1107.389108][ T44] ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [ 1107.389180][ T44]
| [ 1107.389235][ T44] INFO: task kworker/u19:2:840 is blocked on a mutex likely owned by task kworker/u19:2:840.
[ 1107.389361][ T44] INFO: task bridge:15067 blocked for more than 368 seconds.
[ 1107.389456][ T44] Not tainted 7.1.0-rc5-virtme #1
[ 1107.389528][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1107.389638][ T44] task:bridge state:D stack:25840 pid:15067 tgid:15067 ppid:15066 task_flags:0x400100 flags:0x00080000
[ 1107.389782][ T44] Call Trace:
[ 1107.389832][ T44]
[ 1107.389866][ T44] __schedule (kernel/sched/core.c:5388 kernel/sched/core.c:7189)
[ 1107.389933][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 1107.390002][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1107.390072][ 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)
[ 1107.390139][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 1107.390204][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1107.390270][ T44] schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[ 1107.390320][ T44] schedule_preempt_disabled (kernel/sched/core.c:7340)
[ 1107.390394][ T44] __mutex_lock (kernel/locking/mutex.c:726 kernel/locking/mutex.c:820)
[ 1107.390468][ T44] ? rtnl_dump_ifinfo (net/core/rtnetlink.c:80 net/core/rtnetlink.c:2554)
[ 1107.390534][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 1107.390601][ T44] ? nla_get_range_signed (lib/nlattr.c:270)
[ 1107.390668][ T44] ? entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[ 1107.390749][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1107.390816][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 1107.390883][ T44] ? __nla_validate_parse (lib/nlattr.c:635)
[ 1107.390953][ T44] ? rtnl_dump_ifinfo (net/core/rtnetlink.c:80 net/core/rtnetlink.c:2554)
[ 1107.391019][ T44] rtnl_dump_ifinfo (net/core/rtnetlink.c:80 net/core/rtnetlink.c:2554)
[ 1107.391085][ T44] ? rtnl_fill_ifinfo.isra.0 (net/core/rtnetlink.c:2212)
[ 1107.391168][ T44] ? stack_trace_save (kernel/stacktrace.c:122 (discriminator 1))
[ 1107.391236][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1107.391307][ T44] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[ 1107.391383][ T44] ? trace_kmalloc (./include/trace/events/kmem.h:57 (discriminator 22))
[ 1107.391458][ T44] ? __kasan_kmalloc (mm/kasan/common.c:398 mm/kasan/common.c:415)
[ 1107.391528][ T44] ? __kmalloc_node_track_caller_noprof (mm/slub.c:5297 mm/slub.c:5408)
[ 1107.391610][ T44] ? __asan_memset (mm/kasan/shadow.c:84 (discriminator 1))
[ 1107.391677][ 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)
[ 1107.391746][ T44] ? __alloc_skb (./include/linux/bottom_half.h:20 (discriminator 2) net/core/skbuff.c:695 (discriminator 2))
[ 1107.391814][ T44] ? napi_skb_cache_get (./include/linux/local_lock_internal.h:61)
[ 1107.391883][ T44] rtnl_dumpit (net/core/rtnetlink.c:6931)
[ 1107.391935][ T44] netlink_dump (net/netlink/af_netlink.c:2331)
[ 1107.392011][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 1107.392078][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 1107.392144][ T44] ? netlink_lookup (./include/linux/refcount.h:291)
[ 1107.392212][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1107.392279][ T44] __netlink_dump_start (net/netlink/af_netlink.c:2446)
[ 1107.392346][ T44] ? rtnl_fill_ifinfo.isra.0 (net/core/rtnetlink.c:2212)
[ 1107.392436][ T44] rtnetlink_rcv_msg (./include/linux/netlink.h:341 net/core/rtnetlink.c:6960 net/core/rtnetlink.c:7027)
[ 1107.392506][ T44] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[ 1107.392592][ T44] ? rtnl_unlock (net/core/rtnetlink.c:157)
[ 1107.392660][ T44] ? rtnl_fill_ifinfo.isra.0 (net/core/rtnetlink.c:2212)
[ 1107.392743][ T44] ? stack_depot_save_flags (lib/stackdepot.c:609 lib/stackdepot.c:676)
[ 1107.392810][ T44] netlink_rcv_skb (net/netlink/af_netlink.c:2556)
[ 1107.392876][ T44] ? rtnl_link_fill (./include/net/netlink.h:1107 (discriminator 1))
[ 1107.392941][ T44] ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[ 1107.393006][ T44] ? netlink_ack (./include/linux/skbuff.h:2720)
[ 1107.393074][ T44] ? __netlink_lookup (./include/linux/rcupdate.h:839 ./include/linux/rhashtable.h:708 net/netlink/af_netlink.c:499)
[ 1107.393141][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1107.393208][ T44] ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[ 1107.393276][ T44] netlink_unicast (net/netlink/af_netlink.c:1319 net/netlink/af_netlink.c:1345)
[ 1107.393343][ T44] ? netlink_attachskb (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[ 1107.393414][ T44] netlink_sendmsg (net/netlink/af_netlink.c:1900)
[ 1107.393484][ T44] ? netlink_unicast (./include/net/net_namespace.h:419 (discriminator 7))
[ 1107.393551][ T44] ? rcu_read_unlock (./include/linux/rcupdate.h:867 (discriminator 6))
[ 1107.393620][ T44] ? do_anonymous_page (./include/linux/pgtable.h:117 mm/memory.c:5433)
[ 1107.393688][ T44] __sys_sendto (net/socket.c:787 (discriminator 4) net/socket.c:802 (discriminator 4) net/socket.c:2265 (discriminator 4))
[ 1107.393755][ T44] ? __ia32_sys_getpeername (net/socket.c:2219)
[ 1107.393824][ T44] ? __pmd_alloc (./include/linux/mm.h:1682)
[ 1107.393893][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1107.393959][ T44] ? lock_release (./include/trace/events/lock.h:69 (discriminator 22) kernel/locking/lockdep.c:5879 (discriminator 22))
[ 1107.394025][ T44] __x64_sys_sendto (net/socket.c:2272 net/socket.c:2268 net/socket.c:2268)
[ 1107.394091][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 1107.394180][ 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))
[ 1107.394263][ T44] ? irqentry_exit (./include/linux/irq-entry-common.h:272 ./include/linux/irq-entry-common.h:317 kernel/entry/common.c:162)
[ 1107.394329][ T44] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[ 1107.394400][ T44] do_syscall_64 (arch/x86/entry/syscall_64.c:63 arch/x86/entry/syscall_64.c:94)
[ 1107.394467][ T44] ? trace_hardirqs_off (kernel/trace/trace_preemptirq.c:104 (discriminator 1))
[ 1107.394533][ T44] ? exc_page_fault (arch/x86/mm/fault.c:1480 (discriminator 3) arch/x86/mm/fault.c:1527 (discriminator 3))
[ 1107.394600][ T44] entry_SYSCALL_64_after_hwframe (arch/x86/entry/entry_64.S:121)
[ 1107.394689][ T44] RIP: 0033:0x7f894442108e
[ 1107.394759][ T44] RSP: 002b:00007ffc0b9dbc10 EFLAGS: 00000202 ORIG_RAX: 000000000000002c
[ 1107.394859][ T44] RAX: ffffffffffffffda RBX: 00007ffc0b9dbe78 RCX: 00007f894442108e
[ 1107.394959][ T44] RDX: 0000000000000028 RSI: 00007ffc0b9dbc70 RDI: 0000000000000005
[ 1107.395063][ T44] RBP: 00007ffc0b9dbc20 R08: 0000000000000000 R09: 0000000000000000
[ 1107.395166][ T44] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffc0b9dbe68
[ 1107.395264][ T44] R13: 0000000000000009 R14: 00007f89446c5000 R15: 0000000000423c78
| [ 1107.395371][ T44]
| [ 1107.395427][ T44] INFO: task bridge:15067 is blocked on a mutex likely owned by task kworker/u19:2:840.
| [ 1107.395545][ T44] INFO: lockdep is turned off.
[ 1230.260375][ T44] INFO: task kworker/u16:0:12 blocked for more than 368 seconds.
[ 1230.260528][ T44] Not tainted 7.1.0-rc5-virtme #1
[ 1230.260594][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1230.260704][ T44] task:kworker/u16:0 state:D stack:25080 pid:12 tgid:12 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 1230.260872][ T44] Workqueue: ipv6_addrconf addrconf_verify_work
[ 1230.260965][ T44] Call Trace:
[ 1230.261017][ T44]
[ 1230.261059][ T44] __schedule (kernel/sched/core.c:5388 kernel/sched/core.c:7189)
[ 1230.261128][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 1230.261196][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1230.261267][ 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)
[ 1230.261335][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 1230.261413][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1230.261482][ T44] schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[ 1230.261534][ T44] schedule_preempt_disabled (kernel/sched/core.c:7340)
[ 1230.261603][ T44] __mutex_lock (kernel/locking/mutex.c:726 kernel/locking/mutex.c:820)
[ 1230.261675][ T44] ? addrconf_verify_work (./include/linux/rtnetlink.h:130 net/ipv6/addrconf.c:4761)
[ 1230.261745][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1230.261814][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 1230.261884][ T44] ? _raw_spin_unlock_irqrestore (./include/linux/spinlock_api_smp.h:179 (discriminator 1) kernel/locking/spinlock.c:198 (discriminator 1))
[ 1230.261971][ T44] ? debug_object_deactivate (lib/debugobjects.c:915 (discriminator 3))
[ 1230.262044][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1230.262116][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1230.262183][ T44] ? addrconf_verify_work (./include/linux/rtnetlink.h:130 net/ipv6/addrconf.c:4761)
[ 1230.262251][ T44] addrconf_verify_work (./include/linux/rtnetlink.h:130 net/ipv6/addrconf.c:4761)
[ 1230.262319][ T44] process_one_work (kernel/workqueue.c:3314)
[ 1230.262391][ T44] ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[ 1230.262461][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 1230.262541][ T44] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 1230.262609][ T44] worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[ 1230.262677][ T44] ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[ 1230.262743][ T44] kthread (kernel/kthread.c:436)
[ 1230.262795][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 1230.262882][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 1230.262951][ T44] ret_from_fork (arch/x86/kernel/process.c:158)
[ 1230.263019][ T44] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[ 1230.263103][ T44] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[ 1230.263172][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 1230.263240][ T44] ret_from_fork_asm (arch/x86/entry/entry_64.S:245)
| [ 1230.263308][ T44]
| [ 1230.263362][ T44] INFO: task kworker/u16:0:12 is blocked on a mutex likely owned by task kworker/u19:2:840.
[ 1230.263500][ T44] INFO: task kworker/u19:2:840 blocked for more than 491 seconds.
[ 1230.263597][ T44] Not tainted 7.1.0-rc5-virtme #1
[ 1230.263662][ T44] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
[ 1230.263771][ T44] task:kworker/u19:2 state:D stack:27504 pid:840 tgid:840 ppid:2 task_flags:0x4208060 flags:0x00080000
[ 1230.263922][ T44] Workqueue: events_unbound linkwatch_event
[ 1230.264008][ T44] Call Trace:
[ 1230.264058][ T44]
[ 1230.264093][ T44] __schedule (kernel/sched/core.c:5388 kernel/sched/core.c:7189)
[ 1230.264162][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 1230.264229][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1230.264298][ 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)
[ 1230.264371][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 1230.264441][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1230.264510][ T44] schedule (kernel/sched/core.c:7268 kernel/sched/core.c:7283)
[ 1230.264563][ T44] schedule_preempt_disabled (kernel/sched/core.c:7340)
[ 1230.264631][ T44] __mutex_lock (kernel/locking/mutex.c:726 kernel/locking/mutex.c:820)
[ 1230.264703][ 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)
[ 1230.264790][ T44] ? ww_mutex_lock (kernel/locking/mutex.c:933)
[ 1230.264864][ T44] ? __smp_call_single_queue (./arch/x86/include/asm/smp.h:95 kernel/smp.c:120 kernel/smp.c:427)
[ 1230.264937][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1230.265007][ 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)
[ 1230.265079][ T44] ? do_raw_read_unlock (kernel/locking/spinlock_debug.c:180)
[ 1230.265150][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 1230.265233][ T44] ? trace_irq_disable.constprop.0 (./include/trace/events/preemptirq.h:36 (discriminator 22))
[ 1230.265317][ T44] ? trace_hardirqs_on (kernel/trace/trace_preemptirq.c:78)
[ 1230.265390][ T44] ? __local_bh_enable_ip (kernel/softirq.c:455)
[ 1230.265456][ T44] ? fib6_walk (net/ipv6/ip6_fib.c:89 net/ipv6/ip6_fib.c:2229)
[ 1230.265526][ 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)
[ 1230.265610][ 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)
[ 1230.265695][ T44] ? fib6_walk (./include/linux/list.h:262 net/ipv6/ip6_fib.c:88 net/ipv6/ip6_fib.c:2229)
[ 1230.265761][ T44] port_cost (net/bridge/br_if.c:39)
[ 1230.265812][ T44] ? br_multicast_flood (??:?)
[ 1230.265882][ T44] ? fib6_del (net/ipv6/ip6_fib.c:2077)
[ 1230.265933][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1230.266006][ T44] ? lock_acquire (./include/trace/events/lock.h:24 (discriminator 22) kernel/locking/lockdep.c:5831 (discriminator 22))
[ 1230.266075][ T44] ? rcu_is_watching (./include/linux/context_tracking.h:128 (discriminator 3) kernel/rcu/tree.c:752 (discriminator 3))
[ 1230.266141][ T44] br_port_carrier_check (net/bridge/br_if.c:80)
[ 1230.266208][ T44] br_device_event (net/bridge/br.c:101)
[ 1230.266276][ T44] ? fib6_ifdown (net/ipv6/route.c:4962)
[ 1230.266342][ T44] ? packet_sendmsg_spkt (af_packet.c:?)
[ 1230.266415][ T44] ? addrconf_notify (net/ipv6/addrconf.c:3755)
[ 1230.266483][ T44] notifier_call_chain (kernel/notifier.c:85)
[ 1230.266552][ T44] netif_state_change (net/core/dev.c:1603)
[ 1230.266625][ T44] ? call_netdevice_notifiers_info (./include/net/net_namespace.h:419 (discriminator 7))
[ 1230.266709][ T44] ? linkwatch_do_dev (net/core/link_watch.c:182 net/core/link_watch.c:166)
[ 1230.266776][ T44] __linkwatch_run_queue (net/core/link_watch.c:240)
[ 1230.266847][ T44] ? linkwatch_do_dev (./arch/x86/include/asm/bitops.h:202 (discriminator 1))
[ 1230.266913][ T44] ? debug_object_active_state (lib/debugobjects.c:1077)
[ 1230.266995][ T44] linkwatch_event (net/core/link_watch.c:314 (discriminator 11))
[ 1230.267067][ T44] ? __linkwatch_run_queue (net/core/link_watch.c:213)
[ 1230.267137][ T44] process_one_work (kernel/workqueue.c:3314)
[ 1230.267210][ T44] ? pwq_dec_nr_in_flight (kernel/workqueue.c:1822 (discriminator 4))
[ 1230.267276][ T44] ? io_schedule_timeout (kernel/sched/core.c:8079 (discriminator 1))
[ 1230.267342][ T44] ? __rwlock_init (kernel/locking/spinlock_debug.c:48)
[ 1230.267414][ T44] worker_thread (kernel/workqueue.c:3397 kernel/workqueue.c:3478)
[ 1230.267482][ T44] ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[ 1230.267552][ T44] ? __kthread_parkme (./include/linux/instrumented.h:82 ./include/asm-generic/bitops/instrumented-non-atomic.h:141 kernel/kthread.c:272)
[ 1230.267618][ T44] ? rescuer_thread (./include/linux/list.h:404 (discriminator 3))
[ 1230.267685][ T44] kthread (kernel/kthread.c:436)
[ 1230.267735][ T44] ? trace_irq_enable.constprop.0 (./include/trace/events/preemptirq.h:40 (discriminator 22))
[ 1230.267823][ T44] ? kthread_affine_node (kernel/kthread.c:378)
[ 1230.267893][ T44] ret_from_fork (arch/x86/kernel/process.c:158)
[ 1230.267959][ T44] ? arch_exit_to_user_mode_prepare.isra.0 (arch/x86/entry/syscall_64.c:37)
[ 1230.268046][ T44] ? __switch_to (arch/x86/kernel/process_64.c:403 arch/x86/kernel/process_64.c:663)
[ 1230.268118][ 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