[ 791.678644][ T7551] lag2: Mode changed to "loadbalance" [ 791.790775][ T7554] lag2: Port device veth3 added [ 791.997485][ T7564] lag2: Port device veth5 added [ 792.098431][ T7566] 8021q: adding VLAN 0 to HW filter on device lag2 [ 792.138529][ T7567] 8021q: adding VLAN 0 to HW filter on device lag2 [ 792.469620][ T7572] gre: GRE over IPv4 demultiplexer driver [ 792.487117][ T7572] ip_gre: GRE over IPv4 tunneling driver [ 793.429644][ T7598] lag1: Mode changed to "loadbalance" [ 793.528192][ T7600] lag1: Port device veth2 added [ 793.696744][ T7604] lag1: Port device veth4 added [ 793.819963][ T7606] 8021q: adding VLAN 0 to HW filter on device lag1 [ 799.645853][ T7638] Mirror/redirect action on [ 799.763068][ T7640] lag2: Port device veth5 removed [ 803.571604][ T7651] lag2: Port device veth3 removed [ 807.439836][ C1] [ 807.439977][ C1] ================================ [ 807.440160][ C1] WARNING: inconsistent lock state [ 807.440319][ C1] 7.1.0-rc5-virtme #1 Not tainted [ 807.440512][ C1] -------------------------------- [ 807.440656][ C1] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 807.440886][ C1] swapper/1/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 807.441113][ C1] ffffffffc06ae7b8 (mirred_list_lock){+.?.}-{3:3}, at: tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 807.441489][ C1] {SOFTIRQ-ON-W} state was registered at: [ 807.441668][ C1] __lock_acquire+0x378/0xc10 [ 807.441858][ C1] lock_acquire.part.0+0xbc/0x260 [ 807.442036][ C1] _raw_spin_lock+0x33/0x40 [ 807.442220][ C1] tcf_mirred_init+0x844/0xd70 [act_mirred] [ 807.442434][ C1] tcf_action_init_1+0x428/0x6b0 [ 807.442623][ C1] tcf_action_init+0x3cf/0x890 [ 807.442793][ C1] tcf_exts_validate_ex+0x411/0x670 [ 807.442957][ C1] fl_change+0xed4/0x4e77 [cls_flower] [ 807.443138][ C1] tc_new_tfilter+0x875/0x21e0 [ 807.443310][ C1] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 807.443485][ C1] netlink_rcv_skb+0x14e/0x3a0 [ 807.443661][ C1] netlink_unicast+0x486/0x750 [ 807.443809][ C1] netlink_sendmsg+0x735/0xc60 [ 807.443936][ C1] ____sys_sendmsg+0x419/0x850 [ 807.444082][ C1] ___sys_sendmsg+0x14e/0x1d0 [ 807.444218][ C1] __sys_sendmsg+0x145/0x1f0 [ 807.444332][ C1] do_syscall_64+0x117/0x590 [ 807.444469][ C1] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 807.444623][ C1] irq event stamp: 10754610 [ 807.444739][ C1] hardirqs last enabled at (10754610): [] _raw_spin_unlock_irqrestore+0x53/0x80 [ 807.445045][ C1] hardirqs last disabled at (10754609): [] _raw_spin_lock_irqsave+0x50/0x60 [ 807.445278][ C1] softirqs last enabled at (10754518): [] handle_softirqs+0x611/0x940 [ 807.445549][ C1] softirqs last disabled at (10754549): [] __irq_exit_rcu+0x103/0x1c0 [ 807.445796][ C1] [ 807.445796][ C1] other info that might help us debug this: [ 807.446076][ C1] Possible unsafe locking scenario: [ 807.446076][ C1] [ 807.446332][ C1] CPU0 [ 807.446462][ C1] ---- [ 807.446599][ C1] lock(mirred_list_lock); [ 807.446785][ C1] [ 807.446912][ C1] lock(mirred_list_lock); [ 807.447089][ C1] [ 807.447089][ C1] *** DEADLOCK *** [ 807.447089][ C1] [ 807.447331][ C1] 1 lock held by swapper/1/0: [ 807.447517][ C1] #0: ffffffff94777c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x389/0x1020 [ 807.447822][ C1] [ 807.447822][ C1] stack backtrace: [ 807.448035][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 807.448040][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 807.448042][ C1] Call Trace: [ 807.448044][ C1] [ 807.448047][ C1] dump_stack_lvl+0x6f/0xa0 [ 807.448054][ C1] print_usage_bug.part.0.cold+0xa9/0xb7 [ 807.448058][ C1] ? filter_irq_stacks+0xd0/0xd0 [ 807.448065][ C1] mark_lock_irq+0x4e3/0x9c0 [ 807.448070][ C1] ? sysvec_apic_timer_interrupt+0x9d/0xe0 [ 807.448073][ C1] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 807.448081][ C1] ? save_trace+0x68/0x280 [ 807.448085][ C1] mark_lock+0x1d7/0xa00 [ 807.448089][ C1] mark_usage+0x42/0x170 [ 807.448095][ C1] __lock_acquire+0x378/0xc10 [ 807.448097][ C1] ? rcu_is_watching+0x15/0xd0 [ 807.448100][ C1] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 807.448107][ C1] lock_acquire.part.0+0xbc/0x260 [ 807.448109][ C1] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 807.448114][ C1] ? rcu_is_watching+0x15/0xd0 [ 807.448116][ C1] ? lock_acquire+0x134/0x160 [ 807.448120][ C1] _raw_spin_lock+0x33/0x40 [ 807.448122][ C1] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 807.448125][ C1] tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 807.448128][ C1] tcf_action_rcu_free+0x74/0x1a0 [ 807.448131][ C1] ? rcu_do_batch+0x2b4/0x1020 [ 807.448134][ C1] rcu_do_batch+0x2b6/0x1020 [ 807.448138][ C1] ? trace_rcu_batch_end+0x330/0x330 [ 807.448141][ C1] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 807.448143][ C1] ? do_raw_spin_unlock+0x59/0x250 [ 807.448146][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 807.448148][ C1] ? lockdep_hardirqs_on+0x8c/0x130 [ 807.448150][ C1] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 807.448152][ C1] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 807.448157][ C1] rcu_core+0x2bf/0x640 [ 807.448163][ C1] handle_softirqs+0x1d8/0x940 [ 807.448167][ C1] ? find_held_lock+0x2b/0x80 [ 807.448174][ C1] ? __lock_release.isra.0+0x6b/0x1a0 [ 807.448177][ C1] ? _local_bh_enable+0xd0/0xd0 [ 807.448181][ C1] __irq_exit_rcu+0x103/0x1c0 [ 807.448187][ C1] irq_exit_rcu+0xe/0x30 [ 807.448189][ C1] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 807.448193][ C1] [ 807.448194][ C1] [ 807.448195][ C1] ? rcu_is_watching+0x15/0xd0 [ 807.448197][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 807.448200][ C1] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 807.448204][ 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 [ 807.448206][ C1] RSP: 0018:ffa0000000147de8 EFLAGS: 00000296 [ 807.448210][ C1] RAX: 0000000000a419f3 RBX: ff11000001bb2340 RCX: ffffffff914d9667 [ 807.448212][ C1] RDX: ff11000001bb2340 RSI: ffffffff94201bcb RDI: ffffffff93c6f6c0 [ 807.448214][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 807.448215][ C1] R10: 0000000000000001 R11: 0000000000000001 R12: 1ff4000000028fc0 [ 807.448217][ C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 807.448220][ C1] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 807.448227][ C1] ? lockdep_hardirqs_on+0x8c/0x130 [ 807.448231][ C1] default_idle+0x9/0x10 [ 807.448236][ C1] default_idle_call+0x6e/0xb0 [ 807.448241][ C1] cpuidle_idle_call.constprop.0+0x237/0x410 [ 807.448244][ C1] ? arch_cpu_idle_exit+0x40/0x40 [ 807.448249][ C1] ? mark_tsc_async_resets+0x30/0x30 [ 807.448254][ C1] ? rcu_is_watching+0x15/0xd0 [ 807.448258][ C1] do_idle+0xf5/0x160 [ 807.448261][ C1] cpu_startup_entry+0x53/0x70 [ 807.448263][ C1] start_secondary+0x204/0x2b0 [ 807.448266][ C1] ? set_cpu_sibling_map+0x1fb0/0x1fb0 [ 807.448269][ C1] common_startup_64+0x13e/0x148 [ 807.448275][ C1] [ 807.805437][ T7679] lag2: Mode changed to "loadbalance" [ 807.897416][ T7685] lag2: Port device veth3 added [ 808.038788][ T7689] lag2: Port device veth5 added [ 808.099283][ T7691] 8021q: adding VLAN 0 to HW filter on device lag2 [ 808.124464][ T7692] 8021q: adding VLAN 0 to HW filter on device lag2 [ 813.619075][ T7732] lag2: Port device veth3 removed [ 817.289171][ T7742] lag2: Port device veth5 removed [ 821.347007][ T7774] lag2: Mode changed to "loadbalance" [ 821.407595][ T7777] lag2: Port device veth3 added [ 821.542390][ T7780] lag2: Port device veth5 added [ 821.599872][ T7782] 8021q: adding VLAN 0 to HW filter on device lag2 [ 821.630197][ T7783] 8021q: adding VLAN 0 to HW filter on device lag2 [ 827.118649][ T7598] lag1: Port device veth4 removed [ 827.123303][ T7598] lag1: Port device veth2 removed [ 827.685744][ T7774] lag2: Port device veth5 removed [ 827.687353][ T7774] lag2: Port device veth3 removed