[ 8.723379][ T186] ip (186) used greatest stack depth: 24112 bytes left [ 9.666003][ T225] 8021q: 802.1Q VLAN Support v1.8 [ 10.235563][ T250] lag2: Mode changed to "loadbalance" [ 10.293226][ T253] lag2: Port device veth3 added [ 10.427524][ T256] lag2: Port device veth5 added [ 10.478031][ T258] 8021q: adding VLAN 0 to HW filter on device lag2 [ 10.502412][ T260] 8021q: adding VLAN 0 to HW filter on device lag2 [ 10.648781][ T265] gre: GRE over IPv4 demultiplexer driver [ 10.657003][ T265] ip_gre: GRE over IPv4 tunneling driver [ 11.252575][ T294] lag1: Mode changed to "loadbalance" [ 11.323566][ T297] lag1: Port device veth2 added [ 11.451632][ T300] lag1: Port device veth4 added [ 11.506429][ T302] 8021q: adding VLAN 0 to HW filter on device lag1 [ 16.971780][ T335] Mirror/redirect action on [ 17.032063][ T337] GACT probability NOT on [ 17.076110][ T340] lag2: Port device veth5 removed [ 20.757034][ T350] lag2: Port device veth3 removed [ 24.475216][ C1] [ 24.475301][ C1] ================================ [ 24.475387][ C1] WARNING: inconsistent lock state [ 24.475470][ C1] 7.1.0-rc5-virtme #1 Not tainted [ 24.475553][ C1] -------------------------------- [ 24.475640][ C1] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 24.475751][ C1] swapper/1/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 24.475856][ C1] ffffffffc03467b8 (mirred_list_lock){+.?.}-{3:3}, at: tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 24.476041][ C1] {SOFTIRQ-ON-W} state was registered at: [ 24.476123][ C1] __lock_acquire+0x378/0xc10 [ 24.476219][ C1] lock_acquire.part.0+0xbc/0x260 [ 24.476306][ C1] _raw_spin_lock+0x33/0x40 [ 24.476390][ C1] tcf_mirred_init+0x844/0xd70 [act_mirred] [ 24.476490][ C1] tcf_action_init_1+0x428/0x6b0 [ 24.476573][ C1] tcf_action_init+0x3cf/0x890 [ 24.476653][ C1] tcf_exts_validate_ex+0x411/0x670 [ 24.476735][ C1] fl_change+0xed4/0x4e77 [cls_flower] [ 24.476817][ C1] tc_new_tfilter+0x875/0x21e0 [ 24.476899][ C1] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 24.476986][ C1] netlink_rcv_skb+0x14e/0x3a0 [ 24.477066][ C1] netlink_unicast+0x486/0x750 [ 24.477154][ C1] netlink_sendmsg+0x735/0xc60 [ 24.477235][ C1] ____sys_sendmsg+0x419/0x850 [ 24.477318][ C1] ___sys_sendmsg+0x14e/0x1d0 [ 24.477398][ C1] __sys_sendmsg+0x145/0x1f0 [ 24.477479][ C1] do_syscall_64+0x117/0x590 [ 24.477566][ C1] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 24.477672][ C1] irq event stamp: 619946 [ 24.477736][ C1] hardirqs last enabled at (619946): [] _raw_spin_unlock_irqrestore+0x53/0x80 [ 24.477917][ C1] hardirqs last disabled at (619945): [] _raw_spin_lock_irqsave+0x50/0x60 [ 24.478097][ C1] softirqs last enabled at (619722): [] handle_softirqs+0x611/0x940 [ 24.478246][ C1] softirqs last disabled at (619881): [] __irq_exit_rcu+0x103/0x1c0 [ 24.478388][ C1] [ 24.478388][ C1] other info that might help us debug this: [ 24.478511][ C1] Possible unsafe locking scenario: [ 24.478511][ C1] [ 24.478633][ C1] CPU0 [ 24.478696][ C1] ---- [ 24.478762][ C1] lock(mirred_list_lock); [ 24.478849][ C1] [ 24.478912][ C1] lock(mirred_list_lock); [ 24.479000][ C1] [ 24.479000][ C1] *** DEADLOCK *** [ 24.479000][ C1] [ 24.479124][ C1] 1 lock held by swapper/1/0: [ 24.479209][ C1] #0: ffffffff8cb77c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x389/0x1020 [ 24.479362][ C1] [ 24.479362][ C1] stack backtrace: [ 24.479471][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 24.479474][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.479475][ C1] Call Trace: [ 24.479477][ C1] [ 24.479478][ C1] dump_stack_lvl+0x6f/0xa0 [ 24.479483][ C1] print_usage_bug.part.0.cold+0xa9/0xb7 [ 24.479486][ C1] ? filter_irq_stacks+0xd0/0xd0 [ 24.479489][ C1] mark_lock_irq+0x4e3/0x9c0 [ 24.479491][ C1] ? sysvec_apic_timer_interrupt+0x9d/0xe0 [ 24.479493][ C1] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 24.479495][ C1] ? save_trace+0x68/0x280 [ 24.479497][ C1] mark_lock+0x1d7/0xa00 [ 24.479499][ C1] mark_usage+0x42/0x170 [ 24.479500][ C1] __lock_acquire+0x378/0xc10 [ 24.479501][ C1] ? rcu_is_watching+0x15/0xd0 [ 24.479503][ C1] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 24.479507][ C1] lock_acquire.part.0+0xbc/0x260 [ 24.479509][ C1] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 24.479511][ C1] ? rcu_is_watching+0x15/0xd0 [ 24.479512][ C1] ? lock_acquire+0x134/0x160 [ 24.479514][ C1] _raw_spin_lock+0x33/0x40 [ 24.479516][ C1] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 24.479517][ C1] tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 24.479519][ C1] tcf_action_rcu_free+0x74/0x1a0 [ 24.479521][ C1] ? rcu_do_batch+0x2b4/0x1020 [ 24.479522][ C1] rcu_do_batch+0x2b6/0x1020 [ 24.479525][ C1] ? trace_rcu_batch_end+0x330/0x330 [ 24.479527][ C1] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 24.479529][ C1] ? do_raw_spin_unlock+0x59/0x250 [ 24.479530][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 24.479531][ C1] ? lockdep_hardirqs_on+0x8c/0x130 [ 24.479533][ C1] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 24.479534][ C1] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 24.479536][ C1] rcu_core+0x2bf/0x640 [ 24.479538][ C1] handle_softirqs+0x1d8/0x940 [ 24.479540][ C1] ? find_held_lock+0x2b/0x80 [ 24.479542][ C1] ? __lock_release.isra.0+0x6b/0x1a0 [ 24.479544][ C1] ? _local_bh_enable+0xd0/0xd0 [ 24.479546][ C1] __irq_exit_rcu+0x103/0x1c0 [ 24.479547][ C1] irq_exit_rcu+0xe/0x30 [ 24.479549][ C1] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 24.479550][ C1] [ 24.479551][ C1] [ 24.479552][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 24.479553][ C1] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 24.479555][ 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 [ 24.479557][ C1] RSP: 0018:ffa0000000147de8 EFLAGS: 00000296 [ 24.479559][ C1] RAX: 0000000000097565 RBX: ff11000001bb2340 RCX: ffffffff898d9667 [ 24.479561][ C1] RDX: ff11000001bb2340 RSI: ffffffff8c601bcb RDI: ffffffff8c06f6c0 [ 24.479561][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 24.479562][ C1] R10: 0000000000000001 R11: 0000000000000001 R12: 1ff4000000028fc0 [ 24.479563][ C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 24.479565][ C1] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 24.479568][ C1] ? lockdep_hardirqs_on+0x8c/0x130 [ 24.479569][ C1] default_idle+0x9/0x10 [ 24.479571][ C1] default_idle_call+0x6e/0xb0 [ 24.479573][ C1] cpuidle_idle_call.constprop.0+0x237/0x410 [ 24.479574][ C1] ? arch_cpu_idle_exit+0x40/0x40 [ 24.479576][ C1] ? mark_tsc_async_resets+0x30/0x30 [ 24.479578][ C1] ? rcu_is_watching+0x15/0xd0 [ 24.479580][ C1] do_idle+0xf5/0x160 [ 24.479582][ C1] cpu_startup_entry+0x53/0x70 [ 24.479583][ C1] start_secondary+0x204/0x2b0 [ 24.479585][ C1] ? set_cpu_sibling_map+0x1fb0/0x1fb0 [ 24.479586][ C1] common_startup_64+0x13e/0x148 [ 24.479591][ C1] [ 24.732675][ T382] lag2: Mode changed to "loadbalance" [ 24.793733][ T385] lag2: Port device veth3 added [ 24.846912][ T388] lag2: Port device veth5 added [ 24.879978][ T390] 8021q: adding VLAN 0 to HW filter on device lag2 [ 24.897668][ T391] 8021q: adding VLAN 0 to HW filter on device lag2 [ 30.198160][ T431] lag2: Port device veth3 removed [ 33.807666][ T441] lag2: Port device veth5 removed [ 37.688118][ T473] lag2: Mode changed to "loadbalance" [ 37.755288][ T476] lag2: Port device veth3 added [ 37.805423][ T479] lag2: Port device veth5 added [ 37.830814][ T481] 8021q: adding VLAN 0 to HW filter on device lag2 [ 37.845202][ T482] 8021q: adding VLAN 0 to HW filter on device lag2 [ 43.150399][ T294] lag1: Port device veth4 removed [ 43.152821][ T294] lag1: Port device veth2 removed [ 43.547711][ T473] lag2: Port device veth5 removed [ 43.549082][ T473] lag2: Port device veth3 removed