[ 1181.082337][ T5414] lag: Mode changed to "loadbalance" [ 1181.140339][ T5417] lag: Port device veth2 added [ 1181.283379][ T5427] lag: Port device veth4 added [ 1181.340619][ T5429] 8021q: adding VLAN 0 to HW filter on device lag [ 1181.368285][ T5430] br1: port 1(lag) entered blocking state [ 1181.368486][ T5430] br1: port 1(lag) entered disabled state [ 1181.369396][ T5430] lag: entered allmulticast mode [ 1181.369570][ T5430] veth2: entered allmulticast mode [ 1181.369767][ T5430] veth4: entered allmulticast mode [ 1181.374042][ T5430] veth2: entered promiscuous mode [ 1181.374312][ T5430] veth4: entered promiscuous mode [ 1181.396473][ T5431] br1: port 1(lag) entered blocking state [ 1181.396638][ T5431] br1: port 1(lag) entered forwarding state [ 1187.114832][ T5471] Mirror/redirect action on [ 1200.997836][ T39] br1: port 1(lag) entered disabled state [ 1206.317862][ T39] br1: port 1(lag) entered blocking state [ 1206.318097][ T39] br1: port 1(lag) entered forwarding state [ 1206.394754][ C0] [ 1206.394836][ C0] ================================ [ 1206.394940][ C0] WARNING: inconsistent lock state [ 1206.395045][ C0] 7.1.0-rc5-virtme #1 Not tainted [ 1206.395153][ C0] -------------------------------- [ 1206.395255][ C0] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 1206.395374][ C0] swapper/0/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 1206.395495][ C0] ffffffffc08707b8 (mirred_list_lock){+.?.}-{3:3}, at: tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 1206.395702][ C0] {SOFTIRQ-ON-W} state was registered at: [ 1206.395801][ C0] __lock_acquire+0x378/0xc10 [ 1206.395902][ C0] lock_acquire.part.0+0xbc/0x260 [ 1206.396000][ C0] _raw_spin_lock+0x33/0x40 [ 1206.396105][ C0] tcf_mirred_init+0x844/0xd70 [act_mirred] [ 1206.396229][ C0] tcf_action_init_1+0x428/0x6b0 [ 1206.396323][ C0] tcf_action_init+0x3cf/0x890 [ 1206.396415][ C0] tcf_exts_validate_ex+0x411/0x670 [ 1206.396508][ C0] fl_change+0xed4/0x4e77 [cls_flower] [ 1206.396602][ C0] tc_new_tfilter+0x875/0x21e0 [ 1206.396704][ C0] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 1206.396799][ C0] netlink_rcv_skb+0x14e/0x3a0 [ 1206.396892][ C0] netlink_unicast+0x486/0x750 [ 1206.396983][ C0] netlink_sendmsg+0x735/0xc60 [ 1206.397077][ C0] ____sys_sendmsg+0x419/0x850 [ 1206.397175][ C0] ___sys_sendmsg+0x14e/0x1d0 [ 1206.397266][ C0] __sys_sendmsg+0x145/0x1f0 [ 1206.397364][ C0] do_syscall_64+0x117/0x590 [ 1206.397458][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 1206.397572][ C0] irq event stamp: 16178080 [ 1206.397664][ C0] hardirqs last enabled at (16178080): [] _raw_spin_unlock_irqrestore+0x53/0x80 [ 1206.397846][ C0] hardirqs last disabled at (16178079): [] _raw_spin_lock_irqsave+0x50/0x60 [ 1206.398032][ C0] softirqs last enabled at (16177938): [] handle_softirqs+0x611/0x940 [ 1206.398200][ C0] softirqs last disabled at (16177963): [] __irq_exit_rcu+0x103/0x1c0 [ 1206.398359][ C0] [ 1206.398359][ C0] other info that might help us debug this: [ 1206.398493][ C0] Possible unsafe locking scenario: [ 1206.398493][ C0] [ 1206.398628][ C0] CPU0 [ 1206.398698][ C0] ---- [ 1206.398766][ C0] lock(mirred_list_lock); [ 1206.398857][ C0] [ 1206.398925][ C0] lock(mirred_list_lock); [ 1206.399016][ C0] [ 1206.399016][ C0] *** DEADLOCK *** [ 1206.399016][ C0] [ 1206.399164][ C0] 1 lock held by swapper/0/0: [ 1206.399258][ C0] #0: ffffffffb2377c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x389/0x1020 [ 1206.399424][ C0] [ 1206.399424][ C0] stack backtrace: [ 1206.399546][ C0] CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 1206.399549][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 1206.399551][ C0] Call Trace: [ 1206.399552][ C0] [ 1206.399553][ C0] dump_stack_lvl+0x6f/0xa0 [ 1206.399559][ C0] print_usage_bug.part.0.cold+0xa9/0xb7 [ 1206.399561][ C0] ? filter_irq_stacks+0xd0/0xd0 [ 1206.399565][ C0] mark_lock_irq+0x4e3/0x9c0 [ 1206.399566][ C0] ? sysvec_apic_timer_interrupt+0x9d/0xe0 [ 1206.399568][ C0] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 1206.399570][ C0] ? save_trace+0x68/0x280 [ 1206.399572][ C0] ? uncore_type_init+0x210/0x5e0 [ 1206.399578][ C0] mark_lock+0x1d7/0xa00 [ 1206.399580][ C0] mark_usage+0x42/0x170 [ 1206.399582][ C0] __lock_acquire+0x378/0xc10 [ 1206.399583][ C0] ? rcu_is_watching+0x15/0xd0 [ 1206.399585][ C0] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 1206.399589][ C0] lock_acquire.part.0+0xbc/0x260 [ 1206.399591][ C0] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 1206.399593][ C0] ? rcu_is_watching+0x15/0xd0 [ 1206.399595][ C0] ? lock_acquire+0x134/0x160 [ 1206.399597][ C0] _raw_spin_lock+0x33/0x40 [ 1206.399598][ C0] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 1206.399600][ C0] tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 1206.399602][ C0] tcf_action_rcu_free+0x74/0x1a0 [ 1206.399604][ C0] ? rcu_do_batch+0x2b4/0x1020 [ 1206.399605][ C0] rcu_do_batch+0x2b6/0x1020 [ 1206.399608][ C0] ? trace_rcu_batch_end+0x330/0x330 [ 1206.399611][ C0] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 1206.399612][ C0] ? do_raw_spin_unlock+0x59/0x250 [ 1206.399614][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 1206.399615][ C0] ? lockdep_hardirqs_on+0x8c/0x130 [ 1206.399617][ C0] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 1206.399618][ C0] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 1206.399620][ C0] rcu_core+0x2bf/0x640 [ 1206.399622][ C0] handle_softirqs+0x1d8/0x940 [ 1206.399624][ C0] ? find_held_lock+0x2b/0x80 [ 1206.399627][ C0] ? __lock_release.isra.0+0x6b/0x1a0 [ 1206.399628][ C0] ? _local_bh_enable+0xd0/0xd0 [ 1206.399630][ C0] __irq_exit_rcu+0x103/0x1c0 [ 1206.399632][ C0] irq_exit_rcu+0xe/0x30 [ 1206.399633][ C0] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 1206.399635][ C0] [ 1206.399636][ C0] [ 1206.399637][ C0] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 1206.399638][ C0] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 1206.399641][ C0] 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 [ 1206.399643][ C0] RSP: 0018:ffffffffb2007e00 EFLAGS: 00000282 [ 1206.399645][ C0] RAX: 0000000000f6db29 RBX: ffffffffb201c740 RCX: ffffffffaf0d9667 [ 1206.399646][ C0] RDX: ffffffffb201c740 RSI: ffffffffb1e01bcb RDI: ffffffffb186f6c0 [ 1206.399647][ C0] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 1206.399648][ C0] R10: 0000000000000000 R11: 0000000000000001 R12: 1ffffffff6400fc3 [ 1206.399649][ C0] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000014770 [ 1206.399651][ C0] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 1206.399654][ C0] default_idle+0x9/0x10 [ 1206.399656][ C0] default_idle_call+0x6e/0xb0 [ 1206.399657][ C0] cpuidle_idle_call.constprop.0+0x237/0x410 [ 1206.399659][ C0] ? arch_cpu_idle_exit+0x40/0x40 [ 1206.399661][ C0] ? mark_tsc_async_resets+0x30/0x30 [ 1206.399663][ C0] ? rcu_is_watching+0x15/0xd0 [ 1206.399665][ C0] do_idle+0xf5/0x160 [ 1206.399667][ C0] cpu_startup_entry+0x53/0x70 [ 1206.399668][ C0] rest_init+0x1f7/0x200 [ 1206.399670][ C0] start_kernel+0x3ad/0x3b0 [ 1206.399672][ C0] x86_64_start_reservations+0x24/0x30 [ 1206.399675][ C0] x86_64_start_kernel+0x12b/0x130 [ 1206.399677][ C0] common_startup_64+0x13e/0x148 [ 1206.399681][ C0] [ 1220.194108][ T4349] br1: port 1(lag) entered disabled state [ 1225.431463][ T4349] br1: port 1(lag) entered blocking state [ 1225.431612][ T4349] br1: port 1(lag) entered forwarding state [ 1225.576204][ T5579] lag: left allmulticast mode [ 1225.576332][ T5579] veth2: left allmulticast mode [ 1225.576425][ T5579] veth4: left allmulticast mode [ 1225.576552][ T5579] br1: port 1(lag) entered disabled state [ 1225.577411][ T5579] veth2: left promiscuous mode [ 1225.577500][ T5579] veth4: left promiscuous mode [ 1225.606853][ T5414] lag: Port device veth4 removed [ 1225.608406][ T5414] lag: Port device veth2 removed