[ 8.820621][ T186] ip (186) used greatest stack depth: 24152 bytes left [ 9.771682][ T222] 8021q: 802.1Q VLAN Support v1.8 [ 10.359998][ T247] lag2: Mode changed to "loadbalance" [ 10.420417][ T251] lag2: Port device veth3 added [ 10.551107][ T255] lag2: Port device veth5 added [ 10.601622][ T257] 8021q: adding VLAN 0 to HW filter on device lag2 [ 10.631773][ T259] 8021q: adding VLAN 0 to HW filter on device lag2 [ 10.780182][ T264] gre: GRE over IPv4 demultiplexer driver [ 10.789748][ T264] ip_gre: GRE over IPv4 tunneling driver [ 11.403947][ T294] lag1: Mode changed to "loadbalance" [ 11.466286][ T298] lag1: Port device veth2 added [ 11.612100][ T302] lag1: Port device veth4 added [ 11.669221][ T304] 8021q: adding VLAN 0 to HW filter on device lag1 [ 17.128671][ T337] Mirror/redirect action on [ 17.200386][ T339] GACT probability NOT on [ 17.236839][ T342] lag2: Port device veth5 removed [ 17.241103][ T342] ip (342) used greatest stack depth: 24112 bytes left [ 20.914890][ T353] lag2: Port device veth3 removed [ 20.920852][ T353] ip (353) used greatest stack depth: 24016 bytes left [ 24.627793][ C1] [ 24.627897][ C1] ================================ [ 24.628005][ C1] WARNING: inconsistent lock state [ 24.628108][ C1] 7.1.0-rc5-virtme #1 Not tainted [ 24.628207][ C1] -------------------------------- [ 24.628301][ C1] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 24.628414][ C1] swapper/1/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 24.628523][ C1] ffffffffc064d7b8 (mirred_list_lock){+.?.}-{3:3}, at: tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 24.628719][ C1] {SOFTIRQ-ON-W} state was registered at: [ 24.628810][ C1] __lock_acquire+0x378/0xc10 [ 24.628904][ C1] lock_acquire.part.0+0xbc/0x260 [ 24.628997][ C1] _raw_spin_lock+0x33/0x40 [ 24.629088][ C1] tcf_mirred_init+0x844/0xd70 [act_mirred] [ 24.629199][ C1] tcf_action_init_1+0x428/0x6b0 [ 24.629287][ C1] tcf_action_init+0x3cf/0x890 [ 24.629374][ C1] tcf_exts_validate_ex+0x411/0x670 [ 24.629464][ C1] fl_change+0xed4/0x4e77 [cls_flower] [ 24.629559][ C1] tc_new_tfilter+0x875/0x21e0 [ 24.629653][ C1] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 24.629744][ C1] netlink_rcv_skb+0x14e/0x3a0 [ 24.629839][ C1] netlink_unicast+0x486/0x750 [ 24.629932][ C1] netlink_sendmsg+0x735/0xc60 [ 24.630023][ C1] ____sys_sendmsg+0x419/0x850 [ 24.630112][ C1] ___sys_sendmsg+0x14e/0x1d0 [ 24.630201][ C1] __sys_sendmsg+0x145/0x1f0 [ 24.630288][ C1] do_syscall_64+0x117/0x590 [ 24.630373][ C1] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 24.630477][ C1] irq event stamp: 654318 [ 24.630546][ C1] hardirqs last enabled at (654318): [] _raw_spin_unlock_irqrestore+0x53/0x80 [ 24.630723][ C1] hardirqs last disabled at (654317): [] _raw_spin_lock_irqsave+0x50/0x60 [ 24.630896][ C1] softirqs last enabled at (654244): [] handle_softirqs+0x611/0x940 [ 24.631048][ C1] softirqs last disabled at (654253): [] __irq_exit_rcu+0x103/0x1c0 [ 24.631202][ C1] [ 24.631202][ C1] other info that might help us debug this: [ 24.631326][ C1] Possible unsafe locking scenario: [ 24.631326][ C1] [ 24.631448][ C1] CPU0 [ 24.631513][ C1] ---- [ 24.631580][ C1] lock(mirred_list_lock); [ 24.631674][ C1] [ 24.631740][ C1] lock(mirred_list_lock); [ 24.631824][ C1] [ 24.631824][ C1] *** DEADLOCK *** [ 24.631824][ C1] [ 24.631948][ C1] 1 lock held by swapper/1/0: [ 24.632032][ C1] #0: ffffffffb3177c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x389/0x1020 [ 24.632197][ C1] [ 24.632197][ C1] stack backtrace: [ 24.632312][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 24.632314][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.632316][ C1] Call Trace: [ 24.632318][ C1] [ 24.632319][ C1] dump_stack_lvl+0x6f/0xa0 [ 24.632324][ C1] print_usage_bug.part.0.cold+0xa9/0xb7 [ 24.632327][ C1] ? filter_irq_stacks+0xd0/0xd0 [ 24.632331][ C1] mark_lock_irq+0x4e3/0x9c0 [ 24.632332][ C1] ? sysvec_apic_timer_interrupt+0x9d/0xe0 [ 24.632335][ C1] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 24.632337][ C1] ? save_trace+0x68/0x280 [ 24.632339][ C1] mark_lock+0x1d7/0xa00 [ 24.632340][ C1] mark_usage+0x42/0x170 [ 24.632342][ C1] __lock_acquire+0x378/0xc10 [ 24.632343][ C1] ? rcu_is_watching+0x15/0xd0 [ 24.632345][ C1] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 24.632349][ C1] lock_acquire.part.0+0xbc/0x260 [ 24.632350][ C1] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 24.632352][ C1] ? rcu_is_watching+0x15/0xd0 [ 24.632354][ C1] ? lock_acquire+0x134/0x160 [ 24.632356][ C1] _raw_spin_lock+0x33/0x40 [ 24.632357][ C1] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 24.632359][ C1] tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 24.632361][ C1] tcf_action_rcu_free+0x74/0x1a0 [ 24.632362][ C1] ? rcu_do_batch+0x2b4/0x1020 [ 24.632364][ C1] rcu_do_batch+0x2b6/0x1020 [ 24.632367][ C1] ? trace_rcu_batch_end+0x330/0x330 [ 24.632369][ C1] ? rcu_is_watching+0x15/0xd0 [ 24.632370][ C1] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 24.632372][ C1] ? trace_irq_disable.constprop.0+0x9b/0x180 [ 24.632374][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 24.632375][ C1] ? lockdep_hardirqs_on+0x8c/0x130 [ 24.632377][ C1] rcu_core+0x2bf/0x640 [ 24.632379][ C1] handle_softirqs+0x1d8/0x940 [ 24.632380][ C1] ? find_held_lock+0x2b/0x80 [ 24.632383][ C1] ? __lock_release.isra.0+0x6b/0x1a0 [ 24.632385][ C1] ? _local_bh_enable+0xd0/0xd0 [ 24.632387][ C1] __irq_exit_rcu+0x103/0x1c0 [ 24.632388][ C1] irq_exit_rcu+0xe/0x30 [ 24.632390][ C1] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 24.632392][ C1] [ 24.632392][ C1] [ 24.632393][ C1] ? rcu_is_watching+0x15/0xd0 [ 24.632394][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 24.632396][ C1] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 24.632399][ 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 [ 24.632400][ C1] RSP: 0018:ffa0000000147de8 EFLAGS: 00000296 [ 24.632403][ C1] RAX: 000000000009fbab RBX: ff11000001bb2340 RCX: ffffffffafed9667 [ 24.632404][ C1] RDX: ff11000001bb2340 RSI: ffffffffb2c01bcb RDI: ffffffffb266f6c0 [ 24.632405][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 24.632406][ C1] R10: 0000000000000001 R11: 0000000000000001 R12: 1ff4000000028fc0 [ 24.632406][ C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 24.632408][ C1] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 24.632411][ C1] ? lockdep_hardirqs_on+0x8c/0x130 [ 24.632413][ C1] default_idle+0x9/0x10 [ 24.632415][ C1] default_idle_call+0x6e/0xb0 [ 24.632416][ C1] cpuidle_idle_call.constprop.0+0x237/0x410 [ 24.632418][ C1] ? arch_cpu_idle_exit+0x40/0x40 [ 24.632420][ C1] ? mark_tsc_async_resets+0x30/0x30 [ 24.632422][ C1] ? rcu_is_watching+0x15/0xd0 [ 24.632424][ C1] do_idle+0xf5/0x160 [ 24.632426][ C1] cpu_startup_entry+0x53/0x70 [ 24.632427][ C1] start_secondary+0x204/0x2b0 [ 24.632429][ C1] ? set_cpu_sibling_map+0x1fb0/0x1fb0 [ 24.632431][ C1] common_startup_64+0x13e/0x148 [ 24.632435][ C1] [ 24.902374][ T385] lag2: Mode changed to "loadbalance" [ 24.948498][ T388] lag2: Port device veth3 added [ 25.022750][ T391] lag2: Port device veth5 added [ 25.054222][ T393] 8021q: adding VLAN 0 to HW filter on device lag2 [ 25.071376][ T394] 8021q: adding VLAN 0 to HW filter on device lag2 [ 30.363535][ T435] lag2: Port device veth3 removed [ 33.973502][ T445] lag2: Port device veth5 removed [ 37.853780][ T477] lag2: Mode changed to "loadbalance" [ 37.892520][ T480] lag2: Port device veth3 added [ 37.969946][ T483] lag2: Port device veth5 added [ 38.004490][ T485] 8021q: adding VLAN 0 to HW filter on device lag2 [ 38.024178][ T486] 8021q: adding VLAN 0 to HW filter on device lag2 [ 43.320149][ T294] lag1: Port device veth4 removed [ 43.322541][ T294] lag1: Port device veth2 removed [ 43.738241][ T477] lag2: Port device veth5 removed [ 43.739399][ T477] lag2: Port device veth3 removed