[ 745.229298][T26234] gre: GRE over IPv4 demultiplexer driver [ 745.238828][T26234] ip_gre: GRE over IPv4 tunneling driver [ 745.572554][T26252] lag: Mode changed to "loadbalance" [ 745.630385][T26257] lag: Port device veth2 added [ 745.768523][T26266] lag: Port device veth4 added [ 745.819566][T26268] 8021q: adding VLAN 0 to HW filter on device lag [ 745.842741][T26269] br1: port 1(lag) entered blocking state [ 745.842942][T26269] br1: port 1(lag) entered disabled state [ 745.843152][T26269] lag: entered allmulticast mode [ 745.843321][T26269] veth2: entered allmulticast mode [ 745.843499][T26269] veth4: entered allmulticast mode [ 745.853359][T26269] veth2: entered promiscuous mode [ 745.853615][T26269] veth4: entered promiscuous mode [ 745.874739][T26270] br1: port 1(lag) entered blocking state [ 745.874944][T26270] br1: port 1(lag) entered forwarding state [ 751.479742][T26310] Mirror/redirect action on [ 765.328337][ T39] br1: port 1(lag) entered disabled state [ 770.700607][ T39] br1: port 1(lag) entered blocking state [ 770.700798][ T39] br1: port 1(lag) entered forwarding state [ 770.779940][ C2] [ 770.780040][ C2] ================================ [ 770.780172][ C2] WARNING: inconsistent lock state [ 770.780309][ C2] 7.1.0-rc5-virtme #1 Not tainted [ 770.780437][ C2] -------------------------------- [ 770.780562][ C2] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 770.780708][ C2] swapper/2/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 770.780861][ C2] ffffffffc05ca7b8 (mirred_list_lock){+.?.}-{3:3}, at: tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 770.781117][ C2] {SOFTIRQ-ON-W} state was registered at: [ 770.781239][ C2] __lock_acquire+0x378/0xc10 [ 770.781373][ C2] lock_acquire.part.0+0xbc/0x260 [ 770.781492][ C2] _raw_spin_lock+0x33/0x40 [ 770.781615][ C2] tcf_mirred_init+0x844/0xd70 [act_mirred] [ 770.781761][ C2] tcf_action_init_1+0x428/0x6b0 [ 770.781883][ C2] tcf_action_init+0x3cf/0x890 [ 770.782003][ C2] tcf_exts_validate_ex+0x411/0x670 [ 770.782125][ C2] fl_change+0xed4/0x4e77 [cls_flower] [ 770.782246][ C2] tc_new_tfilter+0x875/0x21e0 [ 770.782372][ C2] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 770.782490][ C2] netlink_rcv_skb+0x14e/0x3a0 [ 770.782610][ C2] netlink_unicast+0x486/0x750 [ 770.782727][ C2] netlink_sendmsg+0x735/0xc60 [ 770.782846][ C2] ____sys_sendmsg+0x419/0x850 [ 770.782967][ C2] ___sys_sendmsg+0x14e/0x1d0 [ 770.783086][ C2] __sys_sendmsg+0x145/0x1f0 [ 770.783205][ C2] do_syscall_64+0x117/0x590 [ 770.783329][ C2] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 770.783478][ C2] irq event stamp: 44058796 [ 770.783596][ C2] hardirqs last enabled at (44058796): [] _raw_spin_unlock_irqrestore+0x53/0x80 [ 770.783832][ C2] hardirqs last disabled at (44058795): [] _raw_spin_lock_irqsave+0x50/0x60 [ 770.784068][ C2] softirqs last enabled at (44058734): [] handle_softirqs+0x611/0x940 [ 770.784286][ C2] softirqs last disabled at (44058753): [] __irq_exit_rcu+0x103/0x1c0 [ 770.784498][ C2] [ 770.784498][ C2] other info that might help us debug this: [ 770.784674][ C2] Possible unsafe locking scenario: [ 770.784674][ C2] [ 770.784854][ C2] CPU0 [ 770.784943][ C2] ---- [ 770.785029][ C2] lock(mirred_list_lock); [ 770.785153][ C2] [ 770.785245][ C2] lock(mirred_list_lock); [ 770.785370][ C2] [ 770.785370][ C2] *** DEADLOCK *** [ 770.785370][ C2] [ 770.785622][ C2] 1 lock held by swapper/2/0: [ 770.785739][ C2] #0: ffffffffb0777c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x389/0x1020 [ 770.785955][ C2] [ 770.785955][ C2] stack backtrace: [ 770.786106][ C2] CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 770.786110][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 770.786113][ C2] Call Trace: [ 770.786115][ C2] [ 770.786117][ C2] dump_stack_lvl+0x6f/0xa0 [ 770.786123][ C2] print_usage_bug.part.0.cold+0xa9/0xb7 [ 770.786127][ C2] ? filter_irq_stacks+0xd0/0xd0 [ 770.786132][ C2] mark_lock_irq+0x4e3/0x9c0 [ 770.786135][ C2] ? sysvec_apic_timer_interrupt+0x9d/0xe0 [ 770.786138][ C2] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 770.786141][ C2] ? save_trace+0x68/0x280 [ 770.786144][ C2] mark_lock+0x1d7/0xa00 [ 770.786147][ C2] mark_usage+0x42/0x170 [ 770.786149][ C2] __lock_acquire+0x378/0xc10 [ 770.786151][ C2] ? rcu_is_watching+0x15/0xd0 [ 770.786154][ C2] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 770.786159][ C2] lock_acquire.part.0+0xbc/0x260 [ 770.786162][ C2] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 770.786165][ C2] ? rcu_is_watching+0x15/0xd0 [ 770.786167][ C2] ? lock_acquire+0x134/0x160 [ 770.786170][ C2] _raw_spin_lock+0x33/0x40 [ 770.786173][ C2] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 770.786175][ C2] tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 770.786179][ C2] tcf_action_rcu_free+0x74/0x1a0 [ 770.786181][ C2] ? rcu_do_batch+0x2b4/0x1020 [ 770.786183][ C2] rcu_do_batch+0x2b6/0x1020 [ 770.786187][ C2] ? lock_acquire.part.0+0xbc/0x260 [ 770.786189][ C2] ? trace_rcu_batch_end+0x330/0x330 [ 770.786193][ C2] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 770.786195][ C2] ? do_raw_spin_unlock+0x59/0x250 [ 770.786197][ C2] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 770.786199][ C2] ? lockdep_hardirqs_on+0x8c/0x130 [ 770.786201][ C2] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 770.786203][ C2] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 770.786207][ C2] rcu_core+0x2bf/0x640 [ 770.786209][ C2] handle_softirqs+0x1d8/0x940 [ 770.786212][ C2] ? find_held_lock+0x2b/0x80 [ 770.786215][ C2] ? __lock_release.isra.0+0x6b/0x1a0 [ 770.786217][ C2] ? _local_bh_enable+0xd0/0xd0 [ 770.786221][ C2] __irq_exit_rcu+0x103/0x1c0 [ 770.786223][ C2] irq_exit_rcu+0xe/0x30 [ 770.786225][ C2] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 770.786227][ C2] [ 770.786228][ C2] [ 770.786229][ C2] ? rcu_is_watching+0x15/0xd0 [ 770.786231][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 770.786234][ C2] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 770.786237][ C2] 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 [ 770.786239][ C2] RSP: 0018:ffa0000000157de8 EFLAGS: 00000296 [ 770.786242][ C2] RAX: 0000000002a0487f RBX: ff11000001bb4640 RCX: ffffffffad4d9667 [ 770.786244][ C2] RDX: ff11000001bb4640 RSI: ffffffffb0201bcb RDI: ffffffffafc6f6c0 [ 770.786245][ C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 770.786247][ C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc0 [ 770.786248][ C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 770.786250][ C2] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 770.786255][ C2] ? lockdep_hardirqs_on+0x8c/0x130 [ 770.786257][ C2] default_idle+0x9/0x10 [ 770.786264][ C2] default_idle_call+0x6e/0xb0 [ 770.786266][ C2] cpuidle_idle_call.constprop.0+0x237/0x410 [ 770.786269][ C2] ? arch_cpu_idle_exit+0x40/0x40 [ 770.786271][ C2] ? mark_tsc_async_resets+0x30/0x30 [ 770.786275][ C2] ? rcu_is_watching+0x15/0xd0 [ 770.786277][ C2] do_idle+0xf5/0x160 [ 770.786280][ C2] cpu_startup_entry+0x53/0x70 [ 770.786282][ C2] start_secondary+0x204/0x2b0 [ 770.786284][ C2] ? set_cpu_sibling_map+0x1fb0/0x1fb0 [ 770.786287][ C2] common_startup_64+0x13e/0x148 [ 770.786294][ C2] [ 784.625551][ T39] br1: port 1(lag) entered disabled state [ 789.845541][ T39] br1: port 1(lag) entered blocking state [ 789.845688][ T39] br1: port 1(lag) entered forwarding state [ 790.003980][T26418] lag: left allmulticast mode [ 790.004166][T26418] veth2: left allmulticast mode [ 790.004292][T26418] veth4: left allmulticast mode [ 790.004485][T26418] br1: port 1(lag) entered disabled state [ 790.013503][T26418] veth2: left promiscuous mode [ 790.013641][T26418] veth4: left promiscuous mode [ 790.039696][T26252] lag: Port device veth4 removed [ 790.041127][T26252] lag: Port device veth2 removed