[ 31.449301][ T584] lag: Mode changed to "loadbalance" [ 31.519513][ T587] lag: Port device veth2 added [ 31.647247][ T597] lag: Port device veth4 added [ 31.695015][ T599] 8021q: adding VLAN 0 to HW filter on device lag [ 31.728476][ T600] br1: port 1(lag) entered blocking state [ 31.728643][ T600] br1: port 1(lag) entered disabled state [ 31.729411][ T600] lag: entered allmulticast mode [ 31.729686][ T600] veth2: entered allmulticast mode [ 31.729836][ T600] veth4: entered allmulticast mode [ 31.732274][ T600] veth2: entered promiscuous mode [ 31.732490][ T600] veth4: entered promiscuous mode [ 31.756129][ T601] br1: port 1(lag) entered blocking state [ 31.756352][ T601] br1: port 1(lag) entered forwarding state [ 31.977097][ T611] GACT probability NOT on [ 37.477270][ T644] Mirror/redirect action on [ 51.364766][ T72] br1: port 1(lag) entered disabled state [ 56.673784][ T188] br1: port 1(lag) entered blocking state [ 56.674000][ T188] br1: port 1(lag) entered forwarding state [ 56.740759][ C3] [ 56.740840][ C3] ================================ [ 56.740940][ C3] WARNING: inconsistent lock state [ 56.741036][ C3] 7.1.0-rc5-virtme #1 Not tainted [ 56.741136][ C3] -------------------------------- [ 56.741232][ C3] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 56.741359][ C3] swapper/3/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 56.741482][ C3] ffffffffc05367b8 (mirred_list_lock){+.?.}-{3:3}, at: tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 56.741683][ C3] {SOFTIRQ-ON-W} state was registered at: [ 56.741777][ C3] __lock_acquire+0x378/0xc10 [ 56.741877][ C3] lock_acquire.part.0+0xbc/0x260 [ 56.741973][ C3] _raw_spin_lock+0x33/0x40 [ 56.742073][ C3] tcf_mirred_init+0x844/0xd70 [act_mirred] [ 56.742196][ C3] tcf_action_init_1+0x428/0x6b0 [ 56.742301][ C3] tcf_action_init+0x3cf/0x890 [ 56.742394][ C3] tcf_exts_validate_ex+0x411/0x670 [ 56.742488][ C3] fl_change+0xed4/0x4e77 [cls_flower] [ 56.742583][ C3] tc_new_tfilter+0x875/0x21e0 [ 56.742675][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 56.742767][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 56.742862][ C3] netlink_unicast+0x486/0x750 [ 56.742952][ C3] netlink_sendmsg+0x735/0xc60 [ 56.743044][ C3] ____sys_sendmsg+0x419/0x850 [ 56.743138][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 56.743226][ C3] __sys_sendmsg+0x145/0x1f0 [ 56.743329][ C3] do_syscall_64+0x117/0x590 [ 56.743419][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 56.743539][ C3] irq event stamp: 1434698 [ 56.743638][ C3] hardirqs last enabled at (1434698): [] _raw_spin_unlock_irqrestore+0x53/0x80 [ 56.743824][ C3] hardirqs last disabled at (1434697): [] _raw_spin_lock_irqsave+0x50/0x60 [ 56.744017][ C3] softirqs last enabled at (1434644): [] handle_softirqs+0x611/0x940 [ 56.744182][ C3] softirqs last disabled at (1434653): [] __irq_exit_rcu+0x103/0x1c0 [ 56.744351][ C3] [ 56.744351][ C3] other info that might help us debug this: [ 56.744490][ C3] Possible unsafe locking scenario: [ 56.744490][ C3] [ 56.744629][ C3] CPU0 [ 56.744704][ C3] ---- [ 56.744774][ C3] lock(mirred_list_lock); [ 56.744871][ C3] [ 56.744938][ C3] lock(mirred_list_lock); [ 56.745030][ C3] [ 56.745030][ C3] *** DEADLOCK *** [ 56.745030][ C3] [ 56.745173][ C3] 1 lock held by swapper/3/0: [ 56.745261][ C3] #0: ffffffff9bf77c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x389/0x1020 [ 56.745426][ C3] [ 56.745426][ C3] stack backtrace: [ 56.745541][ C3] CPU: 3 UID: 0 PID: 0 Comm: swapper/3 Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 56.745544][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 56.745546][ C3] Call Trace: [ 56.745548][ C3] [ 56.745549][ C3] dump_stack_lvl+0x6f/0xa0 [ 56.745554][ C3] print_usage_bug.part.0.cold+0xa9/0xb7 [ 56.745557][ C3] ? filter_irq_stacks+0xd0/0xd0 [ 56.745561][ C3] mark_lock_irq+0x4e3/0x9c0 [ 56.745562][ C3] ? sysvec_apic_timer_interrupt+0x9d/0xe0 [ 56.745565][ C3] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 56.745567][ C3] ? save_trace+0x68/0x280 [ 56.745569][ C3] mark_lock+0x1d7/0xa00 [ 56.745571][ C3] mark_usage+0x42/0x170 [ 56.745572][ C3] __lock_acquire+0x378/0xc10 [ 56.745574][ C3] ? rcu_is_watching+0x15/0xd0 [ 56.745576][ C3] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 56.745580][ C3] lock_acquire.part.0+0xbc/0x260 [ 56.745581][ C3] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 56.745583][ C3] ? rcu_is_watching+0x15/0xd0 [ 56.745585][ C3] ? lock_acquire+0x134/0x160 [ 56.745587][ C3] _raw_spin_lock+0x33/0x40 [ 56.745589][ C3] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 56.745590][ C3] tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 56.745592][ C3] tcf_action_rcu_free+0x74/0x1a0 [ 56.745594][ C3] ? rcu_do_batch+0x2b4/0x1020 [ 56.745596][ C3] rcu_do_batch+0x2b6/0x1020 [ 56.745598][ C3] ? rcu_is_watching+0x15/0xd0 [ 56.745600][ C3] ? sched_balance_softirq+0x260/0x320 [ 56.745603][ C3] ? trace_rcu_batch_end+0x330/0x330 [ 56.745605][ C3] ? sched_balance_domains+0xcd0/0xcd0 [ 56.745607][ C3] ? rcu_is_watching+0x15/0xd0 [ 56.745608][ C3] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 56.745610][ C3] ? trace_irq_disable.constprop.0+0x9b/0x180 [ 56.745612][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 56.745613][ C3] ? lockdep_hardirqs_on+0x8c/0x130 [ 56.745615][ C3] rcu_core+0x2bf/0x640 [ 56.745617][ C3] handle_softirqs+0x1d8/0x940 [ 56.745618][ C3] ? find_held_lock+0x2b/0x80 [ 56.745621][ C3] ? __lock_release.isra.0+0x6b/0x1a0 [ 56.745623][ C3] ? _local_bh_enable+0xd0/0xd0 [ 56.745625][ C3] __irq_exit_rcu+0x103/0x1c0 [ 56.745626][ C3] irq_exit_rcu+0xe/0x30 [ 56.745628][ C3] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 56.745630][ C3] [ 56.745630][ C3] [ 56.745631][ C3] ? rcu_is_watching+0x15/0xd0 [ 56.745633][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 56.745634][ C3] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 56.745637][ C3] Code: 48 8b 3d 44 d3 00 02 e8 1f 00 00 00 48 2b 05 c8 71 a3 00 c3 0f 1f 80 00 00 00 00 f3 0f 1e fa eb 07 0f 00 2d 43 f4 22 00 fb f4 0f 1f 40 d6 48 83 ec 20 8b 17 49 89 f8 83 e2 fe 41 89 d2 0f 01 [ 56.745639][ C3] RSP: 0018:ffa0000000167de8 EFLAGS: 00000296 [ 56.745642][ C3] RAX: 000000000015e41b RBX: ff11000001bd0040 RCX: ffffffff98cd9667 [ 56.745643][ C3] RDX: ff11000001bd0040 RSI: ffffffff9ba01bcb RDI: ffffffff9b46f6c0 [ 56.745644][ C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 56.745645][ C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc0 [ 56.745646][ C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 56.745647][ C3] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 56.745650][ C3] ? lockdep_hardirqs_on+0x8c/0x130 [ 56.745652][ C3] default_idle+0x9/0x10 [ 56.745654][ C3] default_idle_call+0x6e/0xb0 [ 56.745656][ C3] cpuidle_idle_call.constprop.0+0x237/0x410 [ 56.745657][ C3] ? arch_cpu_idle_exit+0x40/0x40 [ 56.745659][ C3] ? mark_tsc_async_resets+0x30/0x30 [ 56.745661][ C3] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 56.745663][ C3] ? rcu_is_watching+0x15/0xd0 [ 56.745665][ C3] do_idle+0xf5/0x160 [ 56.745667][ C3] cpu_startup_entry+0x53/0x70 [ 56.745668][ C3] start_secondary+0x204/0x2b0 [ 56.745670][ C3] ? set_cpu_sibling_map+0x1fb0/0x1fb0 [ 56.745672][ C3] common_startup_64+0x13e/0x148 [ 56.745677][ C3] [ 70.538392][ T36] br1: port 1(lag) entered disabled state [ 75.733539][ T38] br1: port 1(lag) entered blocking state [ 75.733681][ T38] br1: port 1(lag) entered forwarding state [ 75.876810][ T752] lag: left allmulticast mode [ 75.876976][ T752] veth2: left allmulticast mode [ 75.877115][ T752] veth4: left allmulticast mode [ 75.877294][ T752] br1: port 1(lag) entered disabled state [ 75.878217][ T752] veth2: left promiscuous mode [ 75.878353][ T752] veth4: left promiscuous mode [ 75.897752][ T584] lag: Port device veth4 removed [ 75.899042][ T584] lag: Port device veth2 removed