[ 801.884115][T21268] lag2: Mode changed to "loadbalance" [ 801.950423][T21271] lag2: Port device veth3 added [ 802.080379][T21282] lag2: Port device veth5 added [ 802.124379][T21284] 8021q: adding VLAN 0 to HW filter on device lag2 [ 802.154966][T21285] 8021q: adding VLAN 0 to HW filter on device lag2 [ 802.329931][T21290] gre: GRE over IPv4 demultiplexer driver [ 802.344751][T21290] ip_gre: GRE over IPv4 tunneling driver [ 802.906018][T21316] lag1: Mode changed to "loadbalance" [ 802.977152][T21319] lag1: Port device veth2 added [ 803.111501][T21322] lag1: Port device veth4 added [ 803.168183][T21324] 8021q: adding VLAN 0 to HW filter on device lag1 [ 808.645401][T21355] Mirror/redirect action on [ 808.717917][T21357] lag2: Port device veth5 removed [ 812.418078][T21368] lag2: Port device veth3 removed [ 816.179624][ C2] [ 816.179710][ C2] ================================ [ 816.179801][ C2] WARNING: inconsistent lock state [ 816.179891][ C2] 7.1.0-rc5-virtme #1 Not tainted [ 816.179980][ C2] -------------------------------- [ 816.180066][ C2] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 816.180178][ C2] swapper/2/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 816.180288][ C2] ffffffffc03347b8 (mirred_list_lock){+.?.}-{3:3}, at: tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 816.180477][ C2] {SOFTIRQ-ON-W} state was registered at: [ 816.180565][ C2] __lock_acquire+0x378/0xc10 [ 816.180659][ C2] lock_acquire.part.0+0xbc/0x260 [ 816.180745][ C2] _raw_spin_lock+0x33/0x40 [ 816.180831][ C2] tcf_mirred_init+0x844/0xd70 [act_mirred] [ 816.180937][ C2] tcf_action_init_1+0x428/0x6b0 [ 816.181025][ C2] tcf_action_init+0x3cf/0x890 [ 816.181113][ C2] tcf_exts_validate_ex+0x411/0x670 [ 816.181198][ C2] fl_change+0xed4/0x4e77 [cls_flower] [ 816.181282][ C2] tc_new_tfilter+0x875/0x21e0 [ 816.181365][ C2] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 816.181455][ C2] netlink_rcv_skb+0x14e/0x3a0 [ 816.181540][ C2] netlink_unicast+0x486/0x750 [ 816.181625][ C2] netlink_sendmsg+0x735/0xc60 [ 816.181708][ C2] ____sys_sendmsg+0x419/0x850 [ 816.181793][ C2] ___sys_sendmsg+0x14e/0x1d0 [ 816.181876][ C2] __sys_sendmsg+0x145/0x1f0 [ 816.181962][ C2] do_syscall_64+0x117/0x590 [ 816.182047][ C2] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 816.182161][ C2] irq event stamp: 31448918 [ 816.182246][ C2] hardirqs last enabled at (31448918): [] _raw_spin_unlock_irqrestore+0x53/0x80 [ 816.182413][ C2] hardirqs last disabled at (31448917): [] _raw_spin_lock_irqsave+0x50/0x60 [ 816.182585][ C2] softirqs last enabled at (31448648): [] handle_softirqs+0x611/0x940 [ 816.182731][ C2] softirqs last disabled at (31448771): [] __irq_exit_rcu+0x103/0x1c0 [ 816.182922][ C2] [ 816.182922][ C2] other info that might help us debug this: [ 816.183045][ C2] Possible unsafe locking scenario: [ 816.183045][ C2] [ 816.183174][ C2] CPU0 [ 816.183238][ C2] ---- [ 816.183345][ C2] lock(mirred_list_lock); [ 816.183433][ C2] [ 816.183498][ C2] lock(mirred_list_lock); [ 816.183582][ C2] [ 816.183582][ C2] *** DEADLOCK *** [ 816.183582][ C2] [ 816.183752][ C2] 1 lock held by swapper/2/0: [ 816.183836][ C2] #0: ffffffffaf177c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x389/0x1020 [ 816.183988][ C2] [ 816.183988][ C2] stack backtrace: [ 816.184139][ C2] CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 816.184143][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 816.184145][ C2] Call Trace: [ 816.184146][ C2] [ 816.184148][ C2] dump_stack_lvl+0x6f/0xa0 [ 816.184153][ C2] print_usage_bug.part.0.cold+0xa9/0xb7 [ 816.184156][ C2] ? filter_irq_stacks+0xd0/0xd0 [ 816.184159][ C2] mark_lock_irq+0x4e3/0x9c0 [ 816.184161][ C2] ? sysvec_apic_timer_interrupt+0x9d/0xe0 [ 816.184163][ C2] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 816.184165][ C2] ? save_trace+0x68/0x280 [ 816.184168][ C2] mark_lock+0x1d7/0xa00 [ 816.184169][ C2] mark_usage+0x42/0x170 [ 816.184171][ C2] __lock_acquire+0x378/0xc10 [ 816.184172][ C2] ? rcu_is_watching+0x15/0xd0 [ 816.184174][ C2] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 816.184178][ C2] lock_acquire.part.0+0xbc/0x260 [ 816.184180][ C2] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 816.184182][ C2] ? rcu_is_watching+0x15/0xd0 [ 816.184184][ C2] ? lock_acquire+0x134/0x160 [ 816.184185][ C2] _raw_spin_lock+0x33/0x40 [ 816.184187][ C2] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 816.184189][ C2] tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 816.184191][ C2] tcf_action_rcu_free+0x74/0x1a0 [ 816.184192][ C2] ? rcu_do_batch+0x2b4/0x1020 [ 816.184194][ C2] rcu_do_batch+0x2b6/0x1020 [ 816.184197][ C2] ? trace_rcu_batch_end+0x330/0x330 [ 816.184199][ C2] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 816.184201][ C2] ? do_raw_spin_unlock+0x59/0x250 [ 816.184202][ C2] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 816.184203][ C2] ? lockdep_hardirqs_on+0x8c/0x130 [ 816.184205][ C2] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 816.184207][ C2] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 816.184209][ C2] rcu_core+0x2bf/0x640 [ 816.184211][ C2] handle_softirqs+0x1d8/0x940 [ 816.184212][ C2] ? find_held_lock+0x2b/0x80 [ 816.184215][ C2] ? __lock_release.isra.0+0x6b/0x1a0 [ 816.184217][ C2] ? _local_bh_enable+0xd0/0xd0 [ 816.184219][ C2] __irq_exit_rcu+0x103/0x1c0 [ 816.184220][ C2] irq_exit_rcu+0xe/0x30 [ 816.184222][ C2] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 816.184223][ C2] [ 816.184224][ C2] [ 816.184225][ C2] ? rcu_is_watching+0x15/0xd0 [ 816.184226][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 816.184228][ C2] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 816.184230][ 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 [ 816.184232][ C2] RSP: 0018:ffa0000000157de8 EFLAGS: 00000296 [ 816.184235][ C2] RAX: 0000000001dfdec1 RBX: ff11000001bb4640 RCX: ffffffffabed9667 [ 816.184236][ C2] RDX: ff11000001bb4640 RSI: ffffffffaec01bcb RDI: ffffffffae66f6c0 [ 816.184237][ C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 816.184238][ C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc0 [ 816.184239][ C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 816.184240][ C2] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 816.184243][ C2] ? lockdep_hardirqs_on+0x8c/0x130 [ 816.184245][ C2] default_idle+0x9/0x10 [ 816.184247][ C2] default_idle_call+0x6e/0xb0 [ 816.184249][ C2] cpuidle_idle_call.constprop.0+0x237/0x410 [ 816.184250][ C2] ? arch_cpu_idle_exit+0x40/0x40 [ 816.184252][ C2] ? mark_tsc_async_resets+0x30/0x30 [ 816.184254][ C2] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 816.184256][ C2] ? rcu_is_watching+0x15/0xd0 [ 816.184258][ C2] do_idle+0xf5/0x160 [ 816.184259][ C2] cpu_startup_entry+0x53/0x70 [ 816.184261][ C2] start_secondary+0x204/0x2b0 [ 816.184262][ C2] ? set_cpu_sibling_map+0x1fb0/0x1fb0 [ 816.184264][ C2] common_startup_64+0x13e/0x148 [ 816.184269][ C2] [ 816.475306][T21400] lag2: Mode changed to "loadbalance" [ 816.527876][T21403] lag2: Port device veth3 added [ 816.603607][T21406] lag2: Port device veth5 added [ 816.646713][T21408] 8021q: adding VLAN 0 to HW filter on device lag2 [ 816.663380][T21409] 8021q: adding VLAN 0 to HW filter on device lag2 [ 821.991389][T21449] lag2: Port device veth3 removed [ 825.628588][T21459] lag2: Port device veth5 removed [ 829.553890][T21491] lag2: Mode changed to "loadbalance" [ 829.597571][T21494] lag2: Port device veth3 added [ 829.670170][T21497] lag2: Port device veth5 added [ 829.704389][T21499] 8021q: adding VLAN 0 to HW filter on device lag2 [ 829.723028][T21500] 8021q: adding VLAN 0 to HW filter on device lag2 [ 835.018149][T21316] lag1: Port device veth4 removed [ 835.023022][T21316] lag1: Port device veth2 removed [ 835.418313][T21491] lag2: Port device veth5 removed [ 835.419571][T21491] lag2: Port device veth3 removed