[ 10.172327][ T186] ip (186) used greatest stack depth: 24040 bytes left [ 11.254304][ T231] 8021q: 802.1Q VLAN Support v1.8 [ 11.991599][ T258] lag2: Mode changed to "loadbalance" [ 12.048326][ T261] lag2: Port device veth3 added [ 12.214856][ T264] lag2: Port device veth5 added [ 12.271077][ T266] 8021q: adding VLAN 0 to HW filter on device lag2 [ 12.302861][ T267] 8021q: adding VLAN 0 to HW filter on device lag2 [ 12.484092][ T272] gre: GRE over IPv4 demultiplexer driver [ 12.493067][ T272] ip_gre: GRE over IPv4 tunneling driver [ 13.197861][ T300] lag1: Mode changed to "loadbalance" [ 13.270296][ T302] lag1: Port device veth2 added [ 13.414605][ T306] lag1: Port device veth4 added [ 13.466357][ T308] 8021q: adding VLAN 0 to HW filter on device lag1 [ 18.968939][ T340] Mirror/redirect action on [ 19.032212][ T342] GACT probability NOT on [ 19.062778][ T346] lag2: Port device veth5 removed [ 22.789318][ T357] lag2: Port device veth3 removed [ 26.564465][ C2] [ 26.564557][ C2] ================================ [ 26.564654][ C2] WARNING: inconsistent lock state [ 26.564740][ C2] 7.1.0-rc5-virtme #1 Not tainted [ 26.564831][ C2] -------------------------------- [ 26.564920][ C2] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 26.565031][ C2] swapper/2/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 26.565149][ C2] ffffffffc039b7b8 (mirred_list_lock){+.?.}-{3:3}, at: tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 26.565332][ C2] {SOFTIRQ-ON-W} state was registered at: [ 26.565419][ C2] __lock_acquire+0x378/0xc10 [ 26.565518][ C2] lock_acquire.part.0+0xbc/0x260 [ 26.565606][ C2] _raw_spin_lock+0x33/0x40 [ 26.565692][ C2] tcf_mirred_init+0x844/0xd70 [act_mirred] [ 26.565796][ C2] tcf_action_init_1+0x428/0x6b0 [ 26.565883][ C2] tcf_action_init+0x3cf/0x890 [ 26.565972][ C2] tcf_exts_validate_ex+0x411/0x670 [ 26.566059][ C2] fl_change+0xed4/0x4e77 [cls_flower] [ 26.566150][ C2] tc_new_tfilter+0x875/0x21e0 [ 26.566235][ C2] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 26.566321][ C2] netlink_rcv_skb+0x14e/0x3a0 [ 26.566419][ C2] netlink_unicast+0x486/0x750 [ 26.566508][ C2] netlink_sendmsg+0x735/0xc60 [ 26.566612][ C2] ____sys_sendmsg+0x419/0x850 [ 26.566728][ C2] ___sys_sendmsg+0x14e/0x1d0 [ 26.566842][ C2] __sys_sendmsg+0x145/0x1f0 [ 26.566960][ C2] do_syscall_64+0x117/0x590 [ 26.567073][ C2] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 26.567214][ C2] irq event stamp: 738688 [ 26.567372][ C2] hardirqs last enabled at (738688): [] _raw_spin_unlock_irqrestore+0x53/0x80 [ 26.567677][ C2] hardirqs last disabled at (738687): [] _raw_spin_lock_irqsave+0x50/0x60 [ 26.567913][ C2] softirqs last enabled at (738620): [] handle_softirqs+0x611/0x940 [ 26.568105][ C2] softirqs last disabled at (738627): [] __irq_exit_rcu+0x103/0x1c0 [ 26.568306][ C2] [ 26.568306][ C2] other info that might help us debug this: [ 26.568563][ C2] Possible unsafe locking scenario: [ 26.568563][ C2] [ 26.568745][ C2] CPU0 [ 26.568837][ C2] ---- [ 26.568924][ C2] lock(mirred_list_lock); [ 26.569044][ C2] [ 26.569128][ C2] lock(mirred_list_lock); [ 26.569250][ C2] [ 26.569250][ C2] *** DEADLOCK *** [ 26.569250][ C2] [ 26.569421][ C2] 1 lock held by swapper/2/0: [ 26.569543][ C2] #0: ffffffff8b177c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x389/0x1020 [ 26.569760][ C2] [ 26.569760][ C2] stack backtrace: [ 26.569979][ C2] CPU: 2 UID: 0 PID: 0 Comm: swapper/2 Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 26.569983][ C2] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 26.569985][ C2] Call Trace: [ 26.569987][ C2] [ 26.569989][ C2] dump_stack_lvl+0x6f/0xa0 [ 26.569996][ C2] print_usage_bug.part.0.cold+0xa9/0xb7 [ 26.569999][ C2] ? filter_irq_stacks+0xd0/0xd0 [ 26.570004][ C2] mark_lock_irq+0x4e3/0x9c0 [ 26.570006][ C2] ? sysvec_apic_timer_interrupt+0x9d/0xe0 [ 26.570010][ C2] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 26.570013][ C2] ? save_trace+0x68/0x280 [ 26.570016][ C2] mark_lock+0x1d7/0xa00 [ 26.570019][ C2] mark_usage+0x42/0x170 [ 26.570021][ C2] __lock_acquire+0x378/0xc10 [ 26.570023][ C2] ? rcu_is_watching+0x15/0xd0 [ 26.570026][ C2] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 26.570031][ C2] lock_acquire.part.0+0xbc/0x260 [ 26.570033][ C2] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 26.570037][ C2] ? rcu_is_watching+0x15/0xd0 [ 26.570040][ C2] ? lock_acquire+0x134/0x160 [ 26.570043][ C2] _raw_spin_lock+0x33/0x40 [ 26.570045][ C2] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 26.570048][ C2] tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 26.570051][ C2] tcf_action_rcu_free+0x74/0x1a0 [ 26.570055][ C2] ? rcu_do_batch+0x2b4/0x1020 [ 26.570057][ C2] rcu_do_batch+0x2b6/0x1020 [ 26.570062][ C2] ? trace_rcu_batch_end+0x330/0x330 [ 26.570065][ C2] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 26.570067][ C2] ? do_raw_spin_unlock+0x59/0x250 [ 26.570070][ C2] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 26.570072][ C2] ? lockdep_hardirqs_on+0x8c/0x130 [ 26.570074][ C2] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 26.570077][ C2] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 26.570080][ C2] rcu_core+0x2bf/0x640 [ 26.570083][ C2] handle_softirqs+0x1d8/0x940 [ 26.570086][ C2] ? find_held_lock+0x2b/0x80 [ 26.570090][ C2] ? __lock_release.isra.0+0x6b/0x1a0 [ 26.570092][ C2] ? _local_bh_enable+0xd0/0xd0 [ 26.570095][ C2] __irq_exit_rcu+0x103/0x1c0 [ 26.570098][ C2] irq_exit_rcu+0xe/0x30 [ 26.570100][ C2] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 26.570102][ C2] [ 26.570103][ C2] [ 26.570104][ C2] ? rcu_is_watching+0x15/0xd0 [ 26.570107][ C2] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 26.570109][ C2] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 26.570112][ 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 [ 26.570115][ C2] RSP: 0018:ffa0000000157de8 EFLAGS: 00000296 [ 26.570118][ C2] RAX: 00000000000b4541 RBX: ff11000001bb4640 RCX: ffffffff87ed9667 [ 26.570119][ C2] RDX: ff11000001bb4640 RSI: ffffffff8ac01bcb RDI: ffffffff8a66f6c0 [ 26.570121][ C2] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 26.570122][ C2] R10: 0000000000000002 R11: 0000000000000001 R12: 1ff400000002afc0 [ 26.570123][ C2] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 26.570126][ C2] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 26.570130][ C2] ? lockdep_hardirqs_on+0x8c/0x130 [ 26.570132][ C2] default_idle+0x9/0x10 [ 26.570134][ C2] default_idle_call+0x6e/0xb0 [ 26.570137][ C2] cpuidle_idle_call.constprop.0+0x237/0x410 [ 26.570139][ C2] ? arch_cpu_idle_exit+0x40/0x40 [ 26.570141][ C2] ? mark_tsc_async_resets+0x30/0x30 [ 26.570144][ C2] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 26.570146][ C2] ? rcu_is_watching+0x15/0xd0 [ 26.570149][ C2] do_idle+0xf5/0x160 [ 26.570152][ C2] cpu_startup_entry+0x53/0x70 [ 26.570154][ C2] start_secondary+0x204/0x2b0 [ 26.570156][ C2] ? set_cpu_sibling_map+0x1fb0/0x1fb0 [ 26.570159][ C2] common_startup_64+0x13e/0x148 [ 26.570165][ C2] [ 26.873659][ T389] lag2: Mode changed to "loadbalance" [ 26.935640][ T393] lag2: Port device veth3 added [ 27.043565][ T397] lag2: Port device veth5 added [ 27.085716][ T399] 8021q: adding VLAN 0 to HW filter on device lag2 [ 27.108517][ T400] 8021q: adding VLAN 0 to HW filter on device lag2 [ 32.458145][ T440] lag2: Port device veth3 removed [ 36.076348][ T450] lag2: Port device veth5 removed [ 39.954733][ T482] lag2: Mode changed to "loadbalance" [ 39.984626][ T485] lag2: Port device veth3 added [ 40.079664][ T488] lag2: Port device veth5 added [ 40.109423][ T490] 8021q: adding VLAN 0 to HW filter on device lag2 [ 40.128516][ T491] 8021q: adding VLAN 0 to HW filter on device lag2 [ 45.423200][ T300] lag1: Port device veth4 removed [ 45.425789][ T300] lag1: Port device veth2 removed [ 45.822983][ T482] lag2: Port device veth5 removed [ 45.824418][ T482] lag2: Port device veth3 removed