[ 486.953325][T21897] 8021q: 802.1Q VLAN Support v1.8 [ 487.450990][T21921] br0: port 1(veth1) entered blocking state [ 487.451706][T21921] br0: port 1(veth1) entered disabled state [ 487.451903][T21921] veth1: entered allmulticast mode [ 487.453472][T21921] veth1: entered promiscuous mode [ 487.494042][T21923] br0: port 2(veth2) entered blocking state [ 487.494274][T21923] br0: port 2(veth2) entered disabled state [ 487.494504][T21923] veth2: entered allmulticast mode [ 487.495951][T21923] veth2: entered promiscuous mode [ 487.564637][ T38] br0: port 1(veth1) entered blocking state [ 487.564823][ T38] br0: port 1(veth1) entered forwarding state [ 487.591595][ T38] br0: port 2(veth2) entered blocking state [ 487.591775][ T38] br0: port 2(veth2) entered forwarding state [ 534.281311][T22204] Mirror/redirect action on [ 535.462289][ C1] [ 535.462384][ C1] ================================ [ 535.462475][ C1] WARNING: inconsistent lock state [ 535.462561][ C1] 7.1.0-rc5-virtme #1 Not tainted [ 535.462651][ C1] -------------------------------- [ 535.462734][ C1] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 535.462839][ C1] swapper/1/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 535.462939][ C1] ffffffffc06477b8 (mirred_list_lock){+.?.}-{3:3}, at: tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 535.463105][ C1] {SOFTIRQ-ON-W} state was registered at: [ 535.463192][ C1] __lock_acquire+0x378/0xc10 [ 535.463283][ C1] lock_acquire.part.0+0xbc/0x260 [ 535.463374][ C1] _raw_spin_lock+0x33/0x40 [ 535.463462][ C1] tcf_mirred_init+0x844/0xd70 [act_mirred] [ 535.463568][ C1] tcf_action_init_1+0x428/0x6b0 [ 535.463654][ C1] tcf_action_init+0x3cf/0x890 [ 535.463734][ C1] tcf_exts_validate_ex+0x411/0x670 [ 535.463820][ C1] fl_change+0xed4/0x4e77 [cls_flower] [ 535.463900][ C1] tc_new_tfilter+0x875/0x21e0 [ 535.463982][ C1] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 535.464064][ C1] netlink_rcv_skb+0x14e/0x3a0 [ 535.464146][ C1] netlink_unicast+0x486/0x750 [ 535.464227][ C1] netlink_sendmsg+0x735/0xc60 [ 535.464305][ C1] ____sys_sendmsg+0x419/0x850 [ 535.464390][ C1] ___sys_sendmsg+0x14e/0x1d0 [ 535.464472][ C1] __sys_sendmsg+0x145/0x1f0 [ 535.464558][ C1] do_syscall_64+0x117/0x590 [ 535.464639][ C1] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 535.464740][ C1] irq event stamp: 15493872 [ 535.464865][ C1] hardirqs last enabled at (15493872): [] _raw_spin_unlock_irqrestore+0x53/0x80 [ 535.465031][ C1] hardirqs last disabled at (15493871): [] _raw_spin_lock_irqsave+0x50/0x60 [ 535.465241][ C1] softirqs last enabled at (15493694): [] handle_softirqs+0x611/0x940 [ 535.465388][ C1] softirqs last disabled at (15493703): [] __irq_exit_rcu+0x103/0x1c0 [ 535.465525][ C1] [ 535.465525][ C1] other info that might help us debug this: [ 535.465686][ C1] Possible unsafe locking scenario: [ 535.465686][ C1] [ 535.465804][ C1] CPU0 [ 535.465865][ C1] ---- [ 535.465967][ C1] lock(mirred_list_lock); [ 535.466048][ C1] [ 535.466108][ C1] lock(mirred_list_lock); [ 535.466200][ C1] [ 535.466200][ C1] *** DEADLOCK *** [ 535.466200][ C1] [ 535.466363][ C1] 1 lock held by swapper/1/0: [ 535.466446][ C1] #0: ffffffffb0577c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x389/0x1020 [ 535.466592][ C1] [ 535.466592][ C1] stack backtrace: [ 535.466737][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 535.466740][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 535.466742][ C1] Call Trace: [ 535.466743][ C1] [ 535.466745][ C1] dump_stack_lvl+0x6f/0xa0 [ 535.466750][ C1] print_usage_bug.part.0.cold+0xa9/0xb7 [ 535.466752][ C1] ? filter_irq_stacks+0xd0/0xd0 [ 535.466756][ C1] mark_lock_irq+0x4e3/0x9c0 [ 535.466757][ C1] ? sysvec_apic_timer_interrupt+0x9d/0xe0 [ 535.466759][ C1] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 535.466761][ C1] ? save_trace+0x68/0x280 [ 535.466763][ C1] mark_lock+0x1d7/0xa00 [ 535.466765][ C1] mark_usage+0x42/0x170 [ 535.466766][ C1] __lock_acquire+0x378/0xc10 [ 535.466768][ C1] ? rcu_is_watching+0x15/0xd0 [ 535.466770][ C1] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 535.466773][ C1] lock_acquire.part.0+0xbc/0x260 [ 535.466775][ C1] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 535.466777][ C1] ? rcu_is_watching+0x15/0xd0 [ 535.466778][ C1] ? lock_acquire+0x134/0x160 [ 535.466780][ C1] _raw_spin_lock+0x33/0x40 [ 535.466782][ C1] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 535.466783][ C1] tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 535.466785][ C1] tcf_action_rcu_free+0x74/0x1a0 [ 535.466786][ C1] ? rcu_do_batch+0x2b4/0x1020 [ 535.466788][ C1] rcu_do_batch+0x2b6/0x1020 [ 535.466791][ C1] ? trace_rcu_batch_end+0x330/0x330 [ 535.466793][ C1] ? rcu_is_watching+0x15/0xd0 [ 535.466794][ C1] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 535.466796][ C1] ? trace_irq_disable.constprop.0+0x9b/0x180 [ 535.466797][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 535.466798][ C1] ? lockdep_hardirqs_on+0x8c/0x130 [ 535.466800][ C1] rcu_core+0x2bf/0x640 [ 535.466802][ C1] handle_softirqs+0x1d8/0x940 [ 535.466804][ C1] ? find_held_lock+0x2b/0x80 [ 535.466806][ C1] ? __lock_release.isra.0+0x6b/0x1a0 [ 535.466808][ C1] ? _local_bh_enable+0xd0/0xd0 [ 535.466810][ C1] __irq_exit_rcu+0x103/0x1c0 [ 535.466811][ C1] irq_exit_rcu+0xe/0x30 [ 535.466813][ C1] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 535.466814][ C1] [ 535.466815][ C1] [ 535.466815][ C1] ? rcu_is_watching+0x15/0xd0 [ 535.466817][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 535.466819][ C1] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 535.466821][ C1] 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 [ 535.466823][ C1] RSP: 0018:ffa0000000147de8 EFLAGS: 00000296 [ 535.466825][ C1] RAX: 0000000000ec6a45 RBX: ff11000001bb2340 RCX: ffffffffad2d9667 [ 535.466826][ C1] RDX: ff11000001bb2340 RSI: ffffffffb0001bcb RDI: ffffffffafa6f6c0 [ 535.466827][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 535.466828][ C1] R10: 0000000000000001 R11: 0000000000000001 R12: 1ff4000000028fc0 [ 535.466829][ C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 535.466830][ C1] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 535.466833][ C1] ? lockdep_hardirqs_on+0x8c/0x130 [ 535.466834][ C1] default_idle+0x9/0x10 [ 535.466836][ C1] default_idle_call+0x6e/0xb0 [ 535.466838][ C1] cpuidle_idle_call.constprop.0+0x237/0x410 [ 535.466840][ C1] ? arch_cpu_idle_exit+0x40/0x40 [ 535.466841][ C1] ? mark_tsc_async_resets+0x30/0x30 [ 535.466843][ C1] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 535.466845][ C1] ? rcu_is_watching+0x15/0xd0 [ 535.466847][ C1] do_idle+0xf5/0x160 [ 535.466848][ C1] cpu_startup_entry+0x53/0x70 [ 535.466850][ C1] start_secondary+0x204/0x2b0 [ 535.466851][ C1] ? set_cpu_sibling_map+0x1fb0/0x1fb0 [ 535.466853][ C1] common_startup_64+0x13e/0x148 [ 535.466857][ C1] [ 540.664091][T22244] br0: port 2(veth2) entered disabled state [ 540.682465][T22245] br0: port 1(veth1) entered disabled state [ 540.696192][T22246] veth2: left allmulticast mode [ 540.696305][T22246] veth2: left promiscuous mode [ 540.696448][T22246] br0: port 2(veth2) entered disabled state [ 540.696907][T22246] veth1: left allmulticast mode [ 540.696987][T22246] veth1: left promiscuous mode [ 540.697112][T22246] br0: port 1(veth1) entered disabled state