[ 8.495227][ T187] ip (187) used greatest stack depth: 23856 bytes left [ 9.353826][ T224] 8021q: 802.1Q VLAN Support v1.8 [ 9.875446][ T251] lag2: Mode changed to "loadbalance" [ 9.934461][ T254] lag2: Port device veth3 added [ 10.055662][ T257] lag2: Port device veth5 added [ 10.103450][ T259] 8021q: adding VLAN 0 to HW filter on device lag2 [ 10.132086][ T260] 8021q: adding VLAN 0 to HW filter on device lag2 [ 10.256932][ T266] gre: GRE over IPv4 demultiplexer driver [ 10.264977][ T266] ip_gre: GRE over IPv4 tunneling driver [ 10.858538][ T298] lag1: Mode changed to "loadbalance" [ 10.917216][ T301] lag1: Port device veth2 added [ 11.042026][ T304] lag1: Port device veth4 added [ 11.095216][ T306] 8021q: adding VLAN 0 to HW filter on device lag1 [ 16.533940][ T338] Mirror/redirect action on [ 16.599770][ T340] GACT probability NOT on [ 16.633721][ T343] lag2: Port device veth5 removed [ 20.307023][ T353] lag2: Port device veth3 removed [ 24.014497][ C2] [ 24.014579][ C2] ================================ [ 24.014668][ C2] WARNING: inconsistent lock state [ 24.014751][ C2] 7.1.0-rc5-virtme #1 Not tainted [ 24.014834][ C2] -------------------------------- [ 24.014914][ C2] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 24.015012][ C2] swapper/2/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 24.015115][ C2] ffffffffc03477b8 (mirred_list_lock){+.?.}-{3:3}, at: tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 24.015289][ C2] {SOFTIRQ-ON-W} state was registered at: [ 24.015371][ C2] __lock_acquire+0x378/0xc10 [ 24.015459][ C2] lock_acquire.part.0+0xbc/0x260 [ 24.015540][ C2] _raw_spin_lock+0x33/0x40 [ 24.015623][ C2] tcf_mirred_init+0x844/0xd70 [act_mirred] [ 24.015722][ C2] tcf_action_init_1+0x428/0x6b0 [ 24.015804][ C2] tcf_action_init+0x3cf/0x890 [ 24.015886][ C2] tcf_exts_validate_ex+0x411/0x670 [ 24.015967][ C2] fl_change+0xed4/0x4e77 [cls_flower] [ 24.016050][ C2] tc_new_tfilter+0x875/0x21e0 [ 24.016132][ C2] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 24.016213][ C2] netlink_rcv_skb+0x14e/0x3a0 [ 24.016297][ C2] netlink_unicast+0x486/0x750 [ 24.016378][ C2] netlink_sendmsg+0x735/0xc60 [ 24.016461][ C2] ____sys_sendmsg+0x419/0x850 [ 24.016543][ C2] ___sys_sendmsg+0x14e/0x1d0 [ 24.016624][ C2] __sys_sendmsg+0x145/0x1f0 [ 24.016703][ C2] do_syscall_64+0x117/0x590 [ 24.016783][ C2] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 24.016883][ C2] irq event stamp: 658764 [ 24.016944][ C2] hardirqs last enabled at (658764): [] _raw_spin_unlock_irqrestore+0x53/0x80 [ 24.017107][ C2] hardirqs last disabled at (658763): [] _raw_spin_lock_irqsave+0x50/0x60 [ 24.017263][ C2] softirqs last enabled at (658436): [] handle_softirqs+0x611/0x940 [ 24.017407][ C2] softirqs last disabled at (658589): [] __irq_exit_rcu+0x103/0x1c0 [ 24.017546][ C2] [ 24.017546][ C2] other info that might help us debug this: [ 24.017665][ C2] Possible unsafe locking scenario: [ 24.017665][ C2] [ 24.017784][ C2] CPU0 [ 24.017845][ C2] ---- [ 24.017905][ C2] lock(mirred_list_lock); [ 24.017985][ C2] [ 24.018047][ C2] lock(mirred_list_lock); [ 24.018126][ C2] [ 24.018126][ C2] *** DEADLOCK *** [ 24.018126][ C2] [ 24.018244][ C2] 1 lock held by swapper/2/0: [ 24.018327][ C2] #0: ffffffff98177c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x389/0x1020 [ 24.018472][ C2] [ 24.018472][ C2] stack backtrace: [ 24.018551][ C0] clocksource: Watchdog remote CPU 2 read timed out [ 24.018571][ C2] CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 24.018574][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.018576][ C2] Call Trace: [ 24.018578][ C2] [ 24.018579][ C2] dump_stack_lvl+0x6f/0xa0 [ 24.018584][ C2] print_usage_bug.part.0.cold+0xa9/0xb7 [ 24.018587][ C2] ? filter_irq_stacks+0xd0/0xd0 [ 24.018590][ C2] mark_lock_irq+0x4e3/0x9c0 [ 24.018591][ C2] ? sysvec_apic_timer_interrupt+0x9d/0xe0 [ 24.018594][ C2] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 24.018596][ C2] ? save_trace+0x68/0x280 [ 24.018598][ C2] mark_lock+0x1d7/0xa00 [ 24.018599][ C2] mark_usage+0x42/0x170 [ 24.018601][ C2] __lock_acquire+0x378/0xc10 [ 24.018602][ C2] ? rcu_is_watching+0x15/0xd0 [ 24.018604][ C2] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 24.018608][ C2] lock_acquire.part.0+0xbc/0x260 [ 24.018609][ C2] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 24.018611][ C2] ? rcu_is_watching+0x15/0xd0 [ 24.018612][ C2] ? lock_acquire+0x134/0x160 [ 24.018614][ C2] _raw_spin_lock+0x33/0x40 [ 24.018616][ C2] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 24.018617][ C2] tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 24.018619][ C2] tcf_action_rcu_free+0x74/0x1a0 [ 24.018620][ C2] ? rcu_do_batch+0x2b4/0x1020 [ 24.018622][ C2] rcu_do_batch+0x2b6/0x1020 [ 24.018624][ C2] ? trace_rcu_batch_end+0x330/0x330 [ 24.018626][ C2] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 24.018628][ C2] ? do_raw_spin_unlock+0x59/0x250 [ 24.018630][ C2] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 24.018631][ C2] ? lockdep_hardirqs_on+0x8c/0x130 [ 24.018632][ C2] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 24.018634][ C2] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 24.018636][ C2] rcu_core+0x2bf/0x640 [ 24.018637][ C2] handle_softirqs+0x1d8/0x940 [ 24.018639][ C2] ? find_held_lock+0x2b/0x80 [ 24.018642][ C2] ? __lock_release.isra.0+0x6b/0x1a0 [ 24.018643][ C2] ? _local_bh_enable+0xd0/0xd0 [ 24.018645][ C2] __irq_exit_rcu+0x103/0x1c0 [ 24.018646][ C2] irq_exit_rcu+0xe/0x30 [ 24.018648][ C2] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 24.018649][ C2] [ 24.018650][ C2] [ 24.018650][ C2] ? rcu_is_watching+0x15/0xd0 [ 24.018652][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 24.018654][ C2] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 24.018656][ 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 [ 24.018658][ C2] RSP: 0018:ffa0000000157de8 EFLAGS: 00000296 [ 24.018660][ C2] RAX: 00000000000a0c9b RBX: ff11000001bb4640 RCX: ffffffff94ed9667 [ 24.018661][ C2] RDX: ff11000001bb4640 RSI: ffffffff97c01bcb RDI: ffffffff9766f6c0 [ 24.018662][ C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 24.018663][ C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc0 [ 24.018664][ C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 24.018666][ C2] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 24.018668][ C2] ? lockdep_hardirqs_on+0x8c/0x130 [ 24.018670][ C2] default_idle+0x9/0x10 [ 24.018672][ C2] default_idle_call+0x6e/0xb0 [ 24.018673][ C2] cpuidle_idle_call.constprop.0+0x237/0x410 [ 24.018675][ C2] ? arch_cpu_idle_exit+0x40/0x40 [ 24.018676][ C2] ? mark_tsc_async_resets+0x30/0x30 [ 24.018679][ C2] ? rcu_is_watching+0x15/0xd0 [ 24.018681][ C2] do_idle+0xf5/0x160 [ 24.018682][ C2] cpu_startup_entry+0x53/0x70 [ 24.018683][ C2] start_secondary+0x204/0x2b0 [ 24.018685][ C2] ? set_cpu_sibling_map+0x1fb0/0x1fb0 [ 24.018687][ C2] common_startup_64+0x13e/0x148 [ 24.018691][ C2] [ 24.261491][ T385] lag2: Mode changed to "loadbalance" [ 24.341776][ T388] lag2: Port device veth3 added [ 24.389347][ T391] lag2: Port device veth5 added [ 24.419166][ T393] 8021q: adding VLAN 0 to HW filter on device lag2 [ 24.438549][ T394] 8021q: adding VLAN 0 to HW filter on device lag2 [ 29.712380][ T435] lag2: Port device veth3 removed [ 33.313327][ T445] lag2: Port device veth5 removed [ 37.180988][ T478] lag2: Mode changed to "loadbalance" [ 37.243600][ T483] lag2: Port device veth3 added [ 37.313060][ T486] lag2: Port device veth5 added [ 37.340911][ T488] 8021q: adding VLAN 0 to HW filter on device lag2 [ 37.363760][ T489] 8021q: adding VLAN 0 to HW filter on device lag2 [ 42.654754][ T298] lag1: Port device veth4 removed [ 42.659917][ T298] lag1: Port device veth2 removed [ 43.044966][ T478] lag2: Port device veth5 removed [ 43.045979][ T478] lag2: Port device veth3 removed