[ 96.799554][ T1068] br1: port 1(vx10) entered blocking state [ 96.799785][ T1068] br1: port 1(vx10) entered disabled state [ 96.799975][ T1068] vx10: entered allmulticast mode [ 96.801436][ T1068] vx10: entered promiscuous mode [ 96.801800][ T1068] br1: port 1(vx10) entered blocking state [ 96.802001][ T1068] br1: port 1(vx10) entered forwarding state [ 96.929388][ T1073] br1: port 2(vx20) entered blocking state [ 96.930195][ T1073] br1: port 2(vx20) entered disabled state [ 96.930396][ T1073] vx20: entered allmulticast mode [ 96.931883][ T1073] vx20: entered promiscuous mode [ 96.932250][ T1073] br1: port 2(vx20) entered blocking state [ 96.932425][ T1073] br1: port 2(vx20) entered forwarding state [ 96.986556][ T1075] br1: port 3(veth1) entered blocking state [ 96.986774][ T1075] br1: port 3(veth1) entered disabled state [ 96.986960][ T1075] veth1: entered allmulticast mode [ 96.989173][ T1075] veth1: entered promiscuous mode [ 97.017025][ T46] br1: port 3(veth1) entered blocking state [ 97.017220][ T46] br1: port 3(veth1) entered forwarding state [ 97.078689][ T1078] br1: port 4(veth2) entered blocking state [ 97.078907][ T1078] br1: port 4(veth2) entered disabled state [ 97.079103][ T1078] veth2: entered allmulticast mode [ 97.080549][ T1078] veth2: entered promiscuous mode [ 97.112445][ T347] br1: port 4(veth2) entered blocking state [ 97.112777][ T347] br1: port 4(veth2) entered forwarding state [ 97.450690][ T56] br1: entered promiscuous mode [ 98.546841][ T1145] ip (1145) used greatest stack depth: 23688 bytes left [ 99.188218][ T1171] br1: port 1(vx10) entered blocking state [ 99.188485][ T1171] br1: port 1(vx10) entered disabled state [ 99.189319][ T1171] vx10: entered allmulticast mode [ 99.190884][ T1171] vx10: entered promiscuous mode [ 99.191339][ T1171] br1: port 1(vx10) entered blocking state [ 99.191551][ T1171] br1: port 1(vx10) entered forwarding state [ 99.303177][ T1175] br1: port 2(vx20) entered blocking state [ 99.303396][ T1175] br1: port 2(vx20) entered disabled state [ 99.304001][ T1175] vx20: entered allmulticast mode [ 99.305480][ T1175] vx20: entered promiscuous mode [ 99.305988][ T1175] br1: port 2(vx20) entered blocking state [ 99.306161][ T1175] br1: port 2(vx20) entered forwarding state [ 99.355268][ T1177] br1: port 3(w1) entered blocking state [ 99.355438][ T1177] br1: port 3(w1) entered disabled state [ 99.355609][ T1177] w1: entered allmulticast mode [ 99.357067][ T1177] w1: entered promiscuous mode [ 99.379609][ T347] br1: port 3(w1) entered blocking state [ 99.379838][ T347] br1: port 3(w1) entered forwarding state [ 99.434984][ T1180] br1: port 4(w3) entered blocking state [ 99.435157][ T1180] br1: port 4(w3) entered disabled state [ 99.435317][ T1180] w3: entered allmulticast mode [ 99.436818][ T1180] w3: entered promiscuous mode [ 99.460068][ T347] br1: port 4(w3) entered blocking state [ 99.460263][ T347] br1: port 4(w3) entered forwarding state [ 99.711742][ T236] br1: entered promiscuous mode [ 99.933210][ C1] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 99.934490][ C1] IPv6: vlan10-v: IPv6 duplicate address fe80::200:5eff:fe00:101 used by 00:00:5e:00:01:01 detected! [ 100.461301][ C2] br1: received packet on vx10 with own address as source address (addr:00:00:5e:00:01:01, vlan:10) [ 100.653946][ C1] br1: received packet on vx20 with own address as source address (addr:00:00:5e:00:01:01, vlan:20) [ 100.655018][ C1] IPv6: vlan20-v: IPv6 duplicate address fe80::200:5eff:fe00:101 used by 00:00:5e:00:01:01 detected! [ 119.361697][ T12] w3: left allmulticast mode [ 119.361989][ T12] w3: left promiscuous mode [ 119.362295][ T12] br1: port 4(w3) entered disabled state [ 119.364184][ T12] w1: left allmulticast mode [ 119.364993][ T12] w1: left promiscuous mode [ 119.365262][ T12] br1: port 3(w1) entered disabled state [ 119.366384][ T12] vx20: left allmulticast mode [ 119.366556][ T12] vx20: left promiscuous mode [ 119.367013][ T12] br1: port 2(vx20) entered disabled state [ 119.368962][ T12] vx10: left allmulticast mode [ 119.369172][ T12] vx10: left promiscuous mode [ 119.369436][ T12] br1: port 1(vx10) entered disabled state [ 119.583150][ T1540] [ 119.583236][ T1540] ======================================================== [ 119.583377][ T1540] WARNING: possible irq lock inversion dependency detected [ 119.583504][ T1540] 7.1.0-rc5-virtme #1 Not tainted [ 119.583595][ T1540] -------------------------------------------------------- [ 119.583725][ T1540] ip/1540 just changed the state of lock: [ 119.583814][ T1540] ffffffffb657e8b8 (acaddr_hash_lock){+.+.}-{3:3}, at: __ipv6_dev_ac_dec+0x236/0x5d0 [ 119.583985][ T1540] but this lock was taken by another, SOFTIRQ-safe lock in the past: [ 119.584113][ T1540] (&ndev->lock){++--}-{3:3} [ 119.584115][ T1540] [ 119.584115][ T1540] [ 119.584115][ T1540] and interrupts could create inverse lock ordering between them. [ 119.584115][ T1540] [ 119.584436][ T1540] [ 119.584436][ T1540] other info that might help us debug this: [ 119.584566][ T1540] Possible interrupt unsafe locking scenario: [ 119.584566][ T1540] [ 119.584698][ T1540] CPU0 CPU1 [ 119.584787][ T1540] ---- ---- [ 119.584879][ T1540] lock(acaddr_hash_lock); [ 119.584973][ T1540] local_irq_disable(); [ 119.585083][ T1540] lock(&ndev->lock); [ 119.585194][ T1540] lock(acaddr_hash_lock); [ 119.585308][ T1540] [ 119.585373][ T1540] lock(&ndev->lock); [ 119.585440][ T1540] [ 119.585440][ T1540] *** DEADLOCK *** [ 119.585440][ T1540] [ 119.585572][ T1540] 1 lock held by ip/1540: [ 119.585641][ T1540] #0: ffffffffb648c9c0 (rtnl_mutex){+.+.}-{4:4}, at: rtnl_newlink+0x883/0xef0 [ 119.585802][ T1540] [ 119.585802][ T1540] the shortest dependencies between 2nd lock and 1st lock: [ 119.585961][ T1540] -> (&ndev->lock){++--}-{3:3} { [ 119.586053][ T1540] HARDIRQ-ON-W at: [ 119.586120][ T1540] __lock_acquire+0x378/0xc10 [ 119.586237][ T1540] lock_acquire.part.0+0xbc/0x260 [ 119.586345][ T1540] _raw_write_lock_bh+0x38/0x50 [ 119.586457][ T1540] addrconf_permanent_addr+0x108/0x9c0 [ 119.586589][ T1540] addrconf_notify+0x151/0xf30 [ 119.586698][ T1540] notifier_call_chain+0xb0/0x320 [ 119.586809][ T1540] __dev_notify_flags+0xde/0x280 [ 119.586922][ T1540] netif_change_flags+0xfe/0x190 [ 119.587029][ T1540] do_setlink.isra.0+0x1cc3/0x2750 [ 119.587137][ T1540] rtnl_newlink+0x8d1/0xef0 [ 119.587246][ T1540] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 119.587358][ T1540] netlink_rcv_skb+0x14e/0x3a0 [ 119.587468][ T1540] netlink_unicast+0x486/0x750 [ 119.587576][ T1540] netlink_sendmsg+0x735/0xc60 [ 119.587684][ T1540] ____sys_sendmsg+0x419/0x850 [ 119.587793][ T1540] ___sys_sendmsg+0x14e/0x1d0 [ 119.587906][ T1540] __sys_sendmsg+0x145/0x1f0 [ 119.588016][ T1540] do_syscall_64+0x117/0x590 [ 119.588125][ T1540] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 119.588255][ T1540] HARDIRQ-ON-R at: [ 119.588319][ T1540] __lock_acquire+0x378/0xc10 [ 119.588427][ T1540] lock_acquire.part.0+0xbc/0x260 [ 119.588538][ T1540] _raw_read_lock_bh+0x44/0x80 [ 119.588649][ T1540] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 119.588778][ T1540] inet6_fill_link_af+0x5c/0xe0 [ 119.588886][ T1540] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 119.589016][ T1540] rtnl_getlink+0x9c9/0xeb0 [ 119.589124][ T1540] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 119.589232][ T1540] netlink_rcv_skb+0x14e/0x3a0 [ 119.589340][ T1540] netlink_unicast+0x486/0x750 [ 119.589446][ T1540] netlink_sendmsg+0x735/0xc60 [ 119.589554][ T1540] ____sys_sendmsg+0x419/0x850 [ 119.589664][ T1540] ___sys_sendmsg+0x14e/0x1d0 [ 119.589770][ T1540] __sys_sendmsg+0x145/0x1f0 [ 119.589877][ T1540] do_syscall_64+0x117/0x590 [ 119.589987][ T1540] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 119.590116][ T1540] IN-SOFTIRQ-W at: [ 119.590180][ T1540] __lock_acquire+0x378/0xc10 [ 119.590291][ T1540] lock_acquire.part.0+0xbc/0x260 [ 119.590397][ T1540] _raw_write_lock+0x33/0x40 [ 119.590503][ T1540] addrconf_rs_timer+0xb0/0x770 [ 119.590611][ T1540] call_timer_fn+0x163/0x4f0 [ 119.590722][ T1540] __run_timers+0x68f/0xab0 [ 119.590832][ T1540] run_timer_softirq+0xf0/0x160 [ 119.590945][ T1540] handle_softirqs+0x1d8/0x940 [ 119.591053][ T1540] __irq_exit_rcu+0x103/0x1c0 [ 119.591162][ T1540] irq_exit_rcu+0xe/0x30 [ 119.591272][ T1540] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 119.591400][ T1540] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 119.591533][ T1540] pv_native_safe_halt+0xf/0x10 [ 119.591642][ T1540] default_idle+0x9/0x10 [ 119.591754][ T1540] default_idle_call+0x6e/0xb0 [ 119.591863][ T1540] cpuidle_idle_call.constprop.0+0x237/0x410 [ 119.591995][ T1540] do_idle+0xf5/0x160 [ 119.592106][ T1540] cpu_startup_entry+0x53/0x70 [ 119.592214][ T1540] rest_init+0x1f7/0x200 [ 119.592326][ T1540] start_kernel+0x3ad/0x3b0 [ 119.592436][ T1540] x86_64_start_reservations+0x24/0x30 [ 119.592567][ T1540] x86_64_start_kernel+0x12b/0x130 [ 119.592678][ T1540] common_startup_64+0x13e/0x148 [ 119.592788][ T1540] IN-SOFTIRQ-R at: [ 119.592853][ T1540] __lock_acquire+0x378/0xc10 [ 119.592965][ T1540] lock_acquire.part.0+0xbc/0x260 [ 119.593073][ T1540] _raw_read_lock_bh+0x44/0x80 [ 119.593181][ T1540] ipv6_get_lladdr+0xa8/0x3f0 [ 119.593290][ T1540] addrconf_rs_timer+0x251/0x770 [ 119.593398][ T1540] call_timer_fn+0x163/0x4f0 [ 119.593507][ T1540] __run_timers+0x68f/0xab0 [ 119.593614][ T1540] run_timer_softirq+0xf0/0x160 [ 119.593722][ T1540] handle_softirqs+0x1d8/0x940 [ 119.593831][ T1540] __irq_exit_rcu+0x103/0x1c0 [ 119.593948][ T1540] irq_exit_rcu+0xe/0x30 [ 119.594057][ T1540] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 119.594188][ T1540] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 119.594320][ T1540] pv_native_safe_halt+0xf/0x10 [ 119.594430][ T1540] default_idle+0x9/0x10 [ 119.594542][ T1540] default_idle_call+0x6e/0xb0 [ 119.594651][ T1540] cpuidle_idle_call.constprop.0+0x237/0x410 [ 119.594781][ T1540] do_idle+0xf5/0x160 [ 119.594888][ T1540] cpu_startup_entry+0x53/0x70 [ 119.595001][ T1540] rest_init+0x1f7/0x200 [ 119.595111][ T1540] start_kernel+0x3ad/0x3b0 [ 119.595219][ T1540] x86_64_start_reservations+0x24/0x30 [ 119.595352][ T1540] x86_64_start_kernel+0x12b/0x130 [ 119.595460][ T1540] common_startup_64+0x13e/0x148 [ 119.595570][ T1540] INITIAL USE at: [ 119.595635][ T1540] __lock_acquire+0x378/0xc10 [ 119.595745][ T1540] lock_acquire.part.0+0xbc/0x260 [ 119.595853][ T1540] _raw_write_lock_bh+0x38/0x50 [ 119.595967][ T1540] addrconf_permanent_addr+0x108/0x9c0 [ 119.596098][ T1540] addrconf_notify+0x151/0xf30 [ 119.596207][ T1540] notifier_call_chain+0xb0/0x320 [ 119.596319][ T1540] __dev_notify_flags+0xde/0x280 [ 119.596430][ T1540] netif_change_flags+0xfe/0x190 [ 119.596538][ T1540] do_setlink.isra.0+0x1cc3/0x2750 [ 119.596646][ T1540] rtnl_newlink+0x8d1/0xef0 [ 119.596753][ T1540] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 119.596862][ T1540] netlink_rcv_skb+0x14e/0x3a0 [ 119.596970][ T1540] netlink_unicast+0x486/0x750 [ 119.597076][ T1540] netlink_sendmsg+0x735/0xc60 [ 119.597185][ T1540] ____sys_sendmsg+0x419/0x850 [ 119.597294][ T1540] ___sys_sendmsg+0x14e/0x1d0 [ 119.597403][ T1540] __sys_sendmsg+0x145/0x1f0 [ 119.597513][ T1540] do_syscall_64+0x117/0x590 [ 119.597621][ T1540] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 119.597749][ T1540] INITIAL READ USE at: [ 119.597835][ T1540] __lock_acquire+0x378/0xc10 [ 119.597948][ T1540] lock_acquire.part.0+0xbc/0x260 [ 119.598080][ T1540] _raw_read_lock_bh+0x44/0x80 [ 119.598189][ T1540] inet6_fill_ifla6_attrs+0x1aee/0x21e0 [ 119.598320][ T1540] inet6_fill_link_af+0x5c/0xe0 [ 119.598426][ T1540] rtnl_fill_ifinfo.isra.0+0x1a45/0x2c20 [ 119.598557][ T1540] rtnl_getlink+0x9c9/0xeb0 [ 119.598667][ T1540] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 119.598775][ T1540] netlink_rcv_skb+0x14e/0x3a0 [ 119.598885][ T1540] netlink_unicast+0x486/0x750 [ 119.598996][ T1540] netlink_sendmsg+0x735/0xc60 [ 119.599102][ T1540] ____sys_sendmsg+0x419/0x850 [ 119.599210][ T1540] ___sys_sendmsg+0x14e/0x1d0 [ 119.599319][ T1540] __sys_sendmsg+0x145/0x1f0 [ 119.599426][ T1540] do_syscall_64+0x117/0x590 [ 119.599534][ T1540] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 119.599664][ T1540] } [ 119.599709][ T1540] ... key at: [] __key.37+0x0/0x40 [ 119.599846][ T1540] ... acquired at: [ 119.599916][ T1540] __lock_acquire+0x508/0xc10 [ 119.600004][ T1540] lock_acquire.part.0+0xbc/0x260 [ 119.600092][ T1540] _raw_spin_lock+0x33/0x40 [ 119.600180][ T1540] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 119.600289][ T1540] __ipv6_dev_ac_inc+0x57e/0x930 [ 119.600375][ T1540] addrconf_join_anycast+0x1bc/0x260 [ 119.600464][ T1540] __ipv6_ifa_notify+0x75b/0xad0 [ 119.600551][ T1540] addrconf_dad_completed+0x14b/0xe10 [ 119.600639][ T1540] addrconf_dad_work+0x3c1/0x930 [ 119.600726][ T1540] process_one_work+0xdf8/0x1410 [ 119.600814][ T1540] worker_thread+0x4f1/0xd60 [ 119.600903][ T1540] kthread+0x367/0x460 [ 119.600972][ T1540] ret_from_fork+0x474/0x6b0 [ 119.601058][ T1540] ret_from_fork_asm+0x11/0x20 [ 119.601147][ T1540] [ 119.601192][ T1540] -> (acaddr_hash_lock){+.+.}-{3:3} { [ 119.601280][ T1540] HARDIRQ-ON-W at: [ 119.601344][ T1540] __lock_acquire+0x378/0xc10 [ 119.601455][ T1540] lock_acquire.part.0+0xbc/0x260 [ 119.601565][ T1540] _raw_spin_lock+0x33/0x40 [ 119.601676][ T1540] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 119.601806][ T1540] __ipv6_dev_ac_inc+0x57e/0x930 [ 119.601919][ T1540] addrconf_join_anycast+0x1bc/0x260 [ 119.602028][ T1540] __ipv6_ifa_notify+0x75b/0xad0 [ 119.602136][ T1540] addrconf_dad_completed+0x14b/0xe10 [ 119.602247][ T1540] addrconf_dad_work+0x3c1/0x930 [ 119.602354][ T1540] process_one_work+0xdf8/0x1410 [ 119.602461][ T1540] worker_thread+0x4f1/0xd60 [ 119.602620][ T1540] kthread+0x367/0x460 [ 119.602707][ T1540] ret_from_fork+0x474/0x6b0 [ 119.602815][ T1540] ret_from_fork_asm+0x11/0x20 [ 119.602927][ T1540] SOFTIRQ-ON-W at: [ 119.603040][ T1540] __lock_acquire+0x378/0xc10 [ 119.603147][ T1540] lock_acquire.part.0+0xbc/0x260 [ 119.603256][ T1540] _raw_spin_lock+0x33/0x40 [ 119.603414][ T1540] __ipv6_dev_ac_dec+0x236/0x5d0 [ 119.603525][ T1540] addrconf_leave_anycast+0x1bc/0x260 [ 119.603634][ T1540] __ipv6_ifa_notify+0x6b4/0xad0 [ 119.603743][ T1540] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 119.603905][ T1540] addrconf_notify+0x2c8/0xf30 [ 119.604015][ T1540] notifier_call_chain+0xb0/0x320 [ 119.604123][ T1540] __dev_notify_flags+0x165/0x280 [ 119.604283][ T1540] netif_change_flags+0xfe/0x190 [ 119.604392][ T1540] do_setlink.isra.0+0x1cc3/0x2750 [ 119.604500][ T1540] rtnl_newlink+0x8d1/0xef0 [ 119.604658][ T1540] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 119.604767][ T1540] netlink_rcv_skb+0x14e/0x3a0 [ 119.604879][ T1540] netlink_unicast+0x486/0x750 [ 119.605037][ T1540] netlink_sendmsg+0x735/0xc60 [ 119.605143][ T1540] ____sys_sendmsg+0x419/0x850 [ 119.605251][ T1540] ___sys_sendmsg+0x14e/0x1d0 [ 119.605410][ T1540] __sys_sendmsg+0x145/0x1f0 [ 119.605520][ T1540] do_syscall_64+0x117/0x590 [ 119.605632][ T1540] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 119.605811][ T1540] INITIAL USE at: [ 119.605877][ T1540] __lock_acquire+0x378/0xc10 [ 119.605993][ T1540] lock_acquire.part.0+0xbc/0x260 [ 119.606103][ T1540] _raw_spin_lock+0x33/0x40 [ 119.606264][ T1540] ipv6_add_acaddr_hash.isra.0+0x16d/0x350 [ 119.606398][ T1540] __ipv6_dev_ac_inc+0x57e/0x930 [ 119.606507][ T1540] addrconf_join_anycast+0x1bc/0x260 [ 119.606663][ T1540] __ipv6_ifa_notify+0x75b/0xad0 [ 119.606771][ T1540] addrconf_dad_completed+0x14b/0xe10 [ 119.606881][ T1540] addrconf_dad_work+0x3c1/0x930 [ 119.607045][ T1540] process_one_work+0xdf8/0x1410 [ 119.607155][ T1540] worker_thread+0x4f1/0xd60 [ 119.607261][ T1540] kthread+0x367/0x460 [ 119.607349][ T1540] ret_from_fork+0x474/0x6b0 [ 119.607507][ T1540] ret_from_fork_asm+0x11/0x20 [ 119.607616][ T1540] } [ 119.607662][ T1540] ... key at: [] acaddr_hash_lock+0x18/0x45a0 [ 119.607842][ T1540] ... acquired at: [ 119.607907][ T1540] mark_lock+0x1d7/0xa00 [ 119.607994][ T1540] mark_usage+0x105/0x170 [ 119.608080][ T1540] __lock_acquire+0x378/0xc10 [ 119.608217][ T1540] lock_acquire.part.0+0xbc/0x260 [ 119.608303][ T1540] _raw_spin_lock+0x33/0x40 [ 119.608392][ T1540] __ipv6_dev_ac_dec+0x236/0x5d0 [ 119.608479][ T1540] addrconf_leave_anycast+0x1bc/0x260 [ 119.608614][ T1540] __ipv6_ifa_notify+0x6b4/0xad0 [ 119.608701][ T1540] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 119.608787][ T1540] addrconf_notify+0x2c8/0xf30 [ 119.608873][ T1540] notifier_call_chain+0xb0/0x320 [ 119.609013][ T1540] __dev_notify_flags+0x165/0x280 [ 119.609102][ T1540] netif_change_flags+0xfe/0x190 [ 119.609188][ T1540] do_setlink.isra.0+0x1cc3/0x2750 [ 119.609275][ T1540] rtnl_newlink+0x8d1/0xef0 [ 119.609410][ T1540] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 119.609497][ T1540] netlink_rcv_skb+0x14e/0x3a0 [ 119.609585][ T1540] netlink_unicast+0x486/0x750 [ 119.609671][ T1540] netlink_sendmsg+0x735/0xc60 [ 119.609808][ T1540] ____sys_sendmsg+0x419/0x850 [ 119.609895][ T1540] ___sys_sendmsg+0x14e/0x1d0 [ 119.609984][ T1540] __sys_sendmsg+0x145/0x1f0 [ 119.610071][ T1540] do_syscall_64+0x117/0x590 [ 119.610207][ T1540] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 119.610316][ T1540] [ 119.610359][ T1540] [ 119.610359][ T1540] stack backtrace: [ 119.610470][ T1540] CPU: 2 UID: 0 PID: 1540 Comm: ip Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 119.610473][ T1540] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 119.610475][ T1540] Call Trace: [ 119.610477][ T1540] [ 119.610478][ T1540] dump_stack_lvl+0x6f/0xa0 [ 119.610483][ T1540] print_irq_inversion_bug.part.0.cold+0xe6/0x143 [ 119.610486][ T1540] mark_lock_irq+0x989/0x9c0 [ 119.610489][ T1540] mark_lock+0x1d7/0xa00 [ 119.610491][ T1540] mark_usage+0x105/0x170 [ 119.610492][ T1540] __lock_acquire+0x378/0xc10 [ 119.610494][ T1540] lock_acquire.part.0+0xbc/0x260 [ 119.610496][ T1540] ? __ipv6_dev_ac_dec+0x236/0x5d0 [ 119.610498][ T1540] ? rcu_is_watching+0x15/0xd0 [ 119.610500][ T1540] ? do_raw_read_unlock+0x70/0x70 [ 119.610502][ T1540] ? lock_acquire+0x134/0x160 [ 119.610504][ T1540] _raw_spin_lock+0x33/0x40 [ 119.610506][ T1540] ? __ipv6_dev_ac_dec+0x236/0x5d0 [ 119.610507][ T1540] __ipv6_dev_ac_dec+0x236/0x5d0 [ 119.610509][ T1540] addrconf_leave_anycast+0x1bc/0x260 [ 119.610511][ T1540] ? inet6_dump_ifinfo+0x6e0/0x6e0 [ 119.610513][ T1540] ? __ipv6_isatap_ifid+0x210/0x210 [ 119.610515][ T1540] ? nlmsg_notify+0x62/0x250 [ 119.610517][ T1540] __ipv6_ifa_notify+0x6b4/0xad0 [ 119.610519][ T1540] ? cleanup_prefix_route+0x550/0x550 [ 119.610521][ T1540] ? find_held_lock+0x2b/0x80 [ 119.610524][ T1540] ? __lock_release.isra.0+0x6b/0x1a0 [ 119.610525][ T1540] ? __rwlock_init+0x150/0x150 [ 119.610526][ T1540] ? mark_held_locks+0x40/0x70 [ 119.610528][ T1540] ? addrconf_ifdown.isra.0+0xa70/0x15f0 [ 119.610530][ T1540] addrconf_ifdown.isra.0+0xa70/0x15f0 [ 119.610533][ T1540] ? addrconf_dad_run+0x1b0/0x1b0 [ 119.610535][ T1540] ? neigh_flush_one+0x580/0x580 [ 119.610537][ T1540] ? mark_held_locks+0x40/0x70 [ 119.610539][ T1540] addrconf_notify+0x2c8/0xf30 [ 119.610541][ T1540] ? team_port_get_rtnl+0x65/0xc0 [ 119.610544][ T1540] notifier_call_chain+0xb0/0x320 [ 119.610546][ T1540] __dev_notify_flags+0x165/0x280 [ 119.610548][ T1540] ? netif_change_name+0x8c0/0x8c0 [ 119.610550][ T1540] ? netif_set_allmulti+0x250/0x250 [ 119.610551][ T1540] ? is_bpf_text_address+0x68/0x110 [ 119.610555][ T1540] netif_change_flags+0xfe/0x190 [ 119.610556][ T1540] do_setlink.isra.0+0x1cc3/0x2750 [ 119.610560][ T1540] ? rtnl_link_get_size+0x350/0x350 [ 119.610562][ T1540] ? rcu_lockdep_current_cpu_online+0x39/0x1b0 [ 119.610564][ T1540] ? rcu_read_lock_any_held+0x3c/0x90 [ 119.610566][ T1540] ? validate_chain+0x38b/0xc20 [ 119.610568][ T1540] ? rcu_read_lock_any_held+0x66/0x90 [ 119.610569][ T1540] ? stack_depot_save_flags+0x367/0x770 [ 119.610572][ T1540] ? __kernel_text_address+0x12/0x30 [ 119.610574][ T1540] ? __lock_acquire+0x508/0xc10 [ 119.610576][ T1540] ? lock_acquire.part.0+0xbc/0x260 [ 119.610578][ T1540] ? rtnl_newlink+0x883/0xef0 [ 119.610579][ T1540] ? rcu_is_watching+0x15/0xd0 [ 119.610581][ T1540] ? lock_acquire+0x134/0x160 [ 119.610582][ T1540] ? rcu_is_watching+0x15/0xd0 [ 119.610584][ T1540] ? rcu_is_watching+0x15/0xd0 [ 119.610585][ T1540] ? trace_contention_end+0xb3/0x1a0 [ 119.610587][ T1540] ? __mutex_lock+0x1db/0x2010 [ 119.610589][ T1540] ? __mutex_lock+0x9b2/0x2010 [ 119.610590][ T1540] ? rtnl_newlink+0x883/0xef0 [ 119.610592][ T1540] ? ww_mutex_lock+0x160/0x160 [ 119.610594][ T1540] ? __rtnl_newlink+0x3fa/0xa50 [ 119.610597][ T1540] rtnl_newlink+0x8d1/0xef0 [ 119.610599][ T1540] ? lock_acquire.part.0+0xbc/0x260 [ 119.610600][ T1540] ? find_held_lock+0x2b/0x80 [ 119.610602][ T1540] ? __rtnl_newlink+0xa50/0xa50 [ 119.610603][ T1540] ? mark_usage+0x61/0x170 [ 119.610605][ T1540] ? __lock_release.isra.0+0x6b/0x1a0 [ 119.610607][ T1540] ? lock_acquire.part.0+0xbc/0x260 [ 119.610608][ T1540] ? find_held_lock+0x2b/0x80 [ 119.610610][ T1540] ? __rtnl_newlink+0xa50/0xa50 [ 119.610611][ T1540] ? __lock_release.isra.0+0x6b/0x1a0 [ 119.610613][ T1540] ? __rtnl_newlink+0xa50/0xa50 [ 119.610615][ T1540] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 119.610616][ T1540] ? validate_chain+0x38b/0xc20 [ 119.610618][ T1540] ? rtnl_link_fill+0x920/0x920 [ 119.610619][ T1540] ? __lock_acquire+0x508/0xc10 [ 119.610621][ T1540] ? lock_acquire.part.0+0xbc/0x260 [ 119.610622][ T1540] ? find_held_lock+0x2b/0x80 [ 119.610624][ T1540] netlink_rcv_skb+0x14e/0x3a0 [ 119.610626][ T1540] ? rtnl_link_fill+0x920/0x920 [ 119.610628][ T1540] ? netlink_ack+0xcf0/0xcf0 [ 119.610631][ T1540] ? netlink_deliver_tap+0xc5/0x330 [ 119.610632][ T1540] ? netlink_deliver_tap+0x13c/0x330 [ 119.610634][ T1540] netlink_unicast+0x486/0x750 [ 119.610636][ T1540] ? netlink_attachskb+0x810/0x810 [ 119.610638][ T1540] ? __lock_acquire+0x508/0xc10 [ 119.610640][ T1540] netlink_sendmsg+0x735/0xc60 [ 119.610642][ T1540] ? netlink_unicast+0x750/0x750 [ 119.610644][ T1540] ? __might_fault+0x97/0x140 [ 119.610647][ T1540] ____sys_sendmsg+0x419/0x850 [ 119.610649][ T1540] ? copy_msghdr_from_user+0x2a0/0x460 [ 119.610651][ T1540] ? get_timestamp.constprop.0+0x390/0x390 [ 119.610653][ T1540] ? move_addr_to_kernel+0x40/0x40 [ 119.610655][ T1540] ? stack_depot_save_flags+0x367/0x770 [ 119.610657][ T1540] ? validate_chain+0x38b/0xc20 [ 119.610659][ T1540] ___sys_sendmsg+0x14e/0x1d0 [ 119.610660][ T1540] ? __call_rcu_common.constprop.0+0xb2/0xa10 [ 119.610663][ T1540] ? copy_msghdr_from_user+0x460/0x460 [ 119.610668][ T1540] __sys_sendmsg+0x145/0x1f0 [ 119.610669][ T1540] ? __sys_sendmsg_sock+0x20/0x20 [ 119.610671][ T1540] ? __call_rcu_common.constprop.0+0x3d1/0xa10 [ 119.610673][ T1540] ? do_raw_spin_unlock+0x59/0x250 [ 119.610675][ T1540] ? rcu_is_watching+0x15/0xd0 [ 119.610677][ T1540] do_syscall_64+0x117/0x590 [ 119.610678][ T1540] ? trace_hardirqs_off+0xd/0x30 [ 119.610681][ T1540] ? exc_page_fault+0xee/0x100 [ 119.610683][ T1540] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 119.610685][ T1540] RIP: 0033:0x7efe9858508e [ 119.610688][ T1540] Code: 4d 89 d8 e8 94 bd 00 00 4c 8b 5d f8 41 8b 93 08 03 00 00 59 5e 48 83 f8 fc 74 11 c9 c3 0f 1f 80 00 00 00 00 48 8b 45 10 0f 05 c3 83 e2 39 83 fa 08 75 e7 e8 03 ff ff ff 0f 1f 00 f3 0f 1e fa [ 119.610690][ T1540] RSP: 002b:00007ffcac5950c0 EFLAGS: 00000202 ORIG_RAX: 000000000000002e [ 119.610693][ T1540] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00007efe9858508e [ 119.610694][ T1540] RDX: 0000000000000000 RSI: 00007ffcac595170 RDI: 0000000000000005 [ 119.610695][ T1540] RBP: 00007ffcac5950d0 R08: 0000000000000000 R09: 0000000000000000 [ 119.610696][ T1540] R10: 0000000000000000 R11: 0000000000000202 R12: 000000006a1985c1 [ 119.610697][ T1540] R13: 000000000049f620 R14: 0000000000000000 R15: 00007ffcac595830 [ 119.610699][ T1540] [ 119.625608][ T1540] ip (1540) used greatest stack depth: 23592 bytes left [ 119.904069][ T10] br1: left promiscuous mode [ 120.044027][ T1560] br1: port 4(veth2) entered disabled state [ 120.064217][ T1561] veth2: left allmulticast mode [ 120.064327][ T1561] veth2: left promiscuous mode [ 120.064472][ T1561] br1: port 4(veth2) entered disabled state [ 120.105591][ T1563] br1: port 3(veth1) entered disabled state [ 120.118167][ T1564] veth1: left allmulticast mode [ 120.118274][ T1564] veth1: left promiscuous mode [ 120.118419][ T1564] br1: port 3(veth1) entered disabled state [ 120.150545][ T1566] vx20: left allmulticast mode [ 120.151251][ T1566] vx20: left promiscuous mode [ 120.151400][ T1566] br1: port 2(vx20) entered disabled state [ 120.236928][ T1570] vx10: left allmulticast mode [ 120.237085][ T1570] vx10: left promiscuous mode [ 120.237287][ T1570] br1: port 1(vx10) entered disabled state