[ 8.705418][ T187] ip (187) used greatest stack depth: 24088 bytes left [ 9.568312][ T224] 8021q: 802.1Q VLAN Support v1.8 [ 10.148258][ T249] lag2: Mode changed to "loadbalance" [ 10.197804][ T253] lag2: Port device veth3 added [ 10.325773][ T257] lag2: Port device veth5 added [ 10.373096][ T259] 8021q: adding VLAN 0 to HW filter on device lag2 [ 10.396994][ T260] 8021q: adding VLAN 0 to HW filter on device lag2 [ 10.527586][ T265] gre: GRE over IPv4 demultiplexer driver [ 10.536621][ T265] ip_gre: GRE over IPv4 tunneling driver [ 11.110150][ T293] lag1: Mode changed to "loadbalance" [ 11.178402][ T297] lag1: Port device veth2 added [ 11.303694][ T301] lag1: Port device veth4 added [ 11.360076][ T303] 8021q: adding VLAN 0 to HW filter on device lag1 [ 16.781719][ T336] Mirror/redirect action on [ 16.842346][ T338] GACT probability NOT on [ 16.873325][ T341] lag2: Port device veth5 removed [ 16.877635][ T341] ip (341) used greatest stack depth: 24080 bytes left [ 20.545796][ T351] lag2: Port device veth3 removed [ 24.250282][ C1] [ 24.250375][ C1] ================================ [ 24.250471][ C1] WARNING: inconsistent lock state [ 24.250561][ C1] 7.1.0-rc5-virtme #1 Not tainted [ 24.250651][ C1] -------------------------------- [ 24.250735][ C1] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 24.250842][ C1] swapper/1/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 24.250945][ C1] ffffffffc03597b8 (mirred_list_lock){+.?.}-{3:3}, at: tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 24.251123][ C1] {SOFTIRQ-ON-W} state was registered at: [ 24.251207][ C1] __lock_acquire+0x378/0xc10 [ 24.251300][ C1] lock_acquire.part.0+0xbc/0x260 [ 24.251383][ C1] _raw_spin_lock+0x33/0x40 [ 24.251474][ C1] tcf_mirred_init+0x844/0xd70 [act_mirred] [ 24.251576][ C1] tcf_action_init_1+0x428/0x6b0 [ 24.251668][ C1] tcf_action_init+0x3cf/0x890 [ 24.251764][ C1] tcf_exts_validate_ex+0x411/0x670 [ 24.251855][ C1] fl_change+0xed4/0x4e77 [cls_flower] [ 24.251939][ C1] tc_new_tfilter+0x875/0x21e0 [ 24.252022][ C1] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 24.252106][ C1] netlink_rcv_skb+0x14e/0x3a0 [ 24.252189][ C1] netlink_unicast+0x486/0x750 [ 24.252278][ C1] netlink_sendmsg+0x735/0xc60 [ 24.252366][ C1] ____sys_sendmsg+0x419/0x850 [ 24.252458][ C1] ___sys_sendmsg+0x14e/0x1d0 [ 24.252548][ C1] __sys_sendmsg+0x145/0x1f0 [ 24.252639][ C1] do_syscall_64+0x117/0x590 [ 24.252724][ C1] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 24.252833][ C1] irq event stamp: 619500 [ 24.252897][ C1] hardirqs last enabled at (619500): [] _raw_spin_unlock_irqrestore+0x53/0x80 [ 24.253069][ C1] hardirqs last disabled at (619499): [] _raw_spin_lock_irqsave+0x50/0x60 [ 24.253239][ C1] softirqs last enabled at (619340): [] handle_softirqs+0x611/0x940 [ 24.253382][ C1] softirqs last disabled at (619381): [] __irq_exit_rcu+0x103/0x1c0 [ 24.253542][ C1] [ 24.253542][ C1] other info that might help us debug this: [ 24.253672][ C1] Possible unsafe locking scenario: [ 24.253672][ C1] [ 24.253793][ C1] CPU0 [ 24.253857][ C1] ---- [ 24.253918][ C1] lock(mirred_list_lock); [ 24.254010][ C1] [ 24.254072][ C1] lock(mirred_list_lock); [ 24.254156][ C1] [ 24.254156][ C1] *** DEADLOCK *** [ 24.254156][ C1] [ 24.254280][ C1] 1 lock held by swapper/1/0: [ 24.254364][ C1] #0: ffffffff8f577c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x389/0x1020 [ 24.254531][ C1] [ 24.254531][ C1] stack backtrace: [ 24.254640][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 24.254643][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.254645][ C1] Call Trace: [ 24.254646][ C1] [ 24.254648][ C1] dump_stack_lvl+0x6f/0xa0 [ 24.254653][ C1] print_usage_bug.part.0.cold+0xa9/0xb7 [ 24.254656][ C1] ? filter_irq_stacks+0xd0/0xd0 [ 24.254659][ C1] mark_lock_irq+0x4e3/0x9c0 [ 24.254661][ C1] ? sysvec_apic_timer_interrupt+0x9d/0xe0 [ 24.254663][ C1] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 24.254665][ C1] ? save_trace+0x68/0x280 [ 24.254667][ C1] mark_lock+0x1d7/0xa00 [ 24.254669][ C1] mark_usage+0x42/0x170 [ 24.254670][ C1] __lock_acquire+0x378/0xc10 [ 24.254672][ C1] ? rcu_is_watching+0x15/0xd0 [ 24.254674][ C1] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 24.254677][ C1] lock_acquire.part.0+0xbc/0x260 [ 24.254679][ C1] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 24.254681][ C1] ? rcu_is_watching+0x15/0xd0 [ 24.254682][ C1] ? lock_acquire+0x134/0x160 [ 24.254684][ C1] _raw_spin_lock+0x33/0x40 [ 24.254686][ C1] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 24.254687][ C1] tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 24.254689][ C1] tcf_action_rcu_free+0x74/0x1a0 [ 24.254691][ C1] ? rcu_do_batch+0x2b4/0x1020 [ 24.254692][ C1] rcu_do_batch+0x2b6/0x1020 [ 24.254695][ C1] ? trace_rcu_batch_end+0x330/0x330 [ 24.254697][ C1] ? rcu_is_watching+0x15/0xd0 [ 24.254699][ C1] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 24.254700][ C1] ? trace_irq_disable.constprop.0+0x9b/0x180 [ 24.254702][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 24.254703][ C1] ? lockdep_hardirqs_on+0x8c/0x130 [ 24.254705][ C1] rcu_core+0x2bf/0x640 [ 24.254707][ C1] handle_softirqs+0x1d8/0x940 [ 24.254708][ C1] ? find_held_lock+0x2b/0x80 [ 24.254711][ C1] ? __lock_release.isra.0+0x6b/0x1a0 [ 24.254713][ C1] ? _local_bh_enable+0xd0/0xd0 [ 24.254715][ C1] __irq_exit_rcu+0x103/0x1c0 [ 24.254716][ C1] irq_exit_rcu+0xe/0x30 [ 24.254718][ C1] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 24.254719][ C1] [ 24.254720][ C1] [ 24.254721][ C1] ? rcu_is_watching+0x15/0xd0 [ 24.254722][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 24.254724][ C1] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 24.254727][ 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 [ 24.254729][ C1] RSP: 0018:ffa0000000147de8 EFLAGS: 00000296 [ 24.254731][ C1] RAX: 0000000000097373 RBX: ff11000001bb2340 RCX: ffffffff8c2d9667 [ 24.254732][ C1] RDX: ff11000001bb2340 RSI: ffffffff8f001bcb RDI: ffffffff8ea6f6c0 [ 24.254733][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 24.254734][ C1] R10: 0000000000000001 R11: 0000000000000001 R12: 1ff4000000028fc0 [ 24.254734][ C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 24.254736][ C1] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 24.254739][ C1] ? lockdep_hardirqs_on+0x8c/0x130 [ 24.254740][ C1] default_idle+0x9/0x10 [ 24.254742][ C1] default_idle_call+0x6e/0xb0 [ 24.254744][ C1] cpuidle_idle_call.constprop.0+0x237/0x410 [ 24.254746][ C1] ? arch_cpu_idle_exit+0x40/0x40 [ 24.254747][ C1] ? mark_tsc_async_resets+0x30/0x30 [ 24.254749][ C1] ? rcu_is_watching+0x15/0xd0 [ 24.254751][ C1] do_idle+0xf5/0x160 [ 24.254753][ C1] cpu_startup_entry+0x53/0x70 [ 24.254754][ C1] start_secondary+0x204/0x2b0 [ 24.254756][ C1] ? set_cpu_sibling_map+0x1fb0/0x1fb0 [ 24.254758][ C1] common_startup_64+0x13e/0x148 [ 24.254762][ C1] [ 24.522427][ T383] lag2: Mode changed to "loadbalance" [ 24.576630][ T386] lag2: Port device veth3 added [ 24.637484][ T389] lag2: Port device veth5 added [ 24.675451][ T391] 8021q: adding VLAN 0 to HW filter on device lag2 [ 24.696477][ T392] 8021q: adding VLAN 0 to HW filter on device lag2 [ 29.997716][ T432] lag2: Port device veth3 removed [ 33.605231][ T442] lag2: Port device veth5 removed [ 37.482555][ T474] lag2: Mode changed to "loadbalance" [ 37.510990][ T478] lag2: Port device veth3 added [ 37.559398][ T483] lag2: Port device veth5 added [ 37.623223][ T485] 8021q: adding VLAN 0 to HW filter on device lag2 [ 37.642800][ T486] 8021q: adding VLAN 0 to HW filter on device lag2 [ 42.938704][ T293] lag1: Port device veth4 removed [ 42.941796][ T293] lag1: Port device veth2 removed [ 43.378805][ T474] lag2: Port device veth5 removed [ 43.379829][ T474] lag2: Port device veth3 removed