[ 92.868538][ T1466] lag2: Mode changed to "loadbalance" [ 92.931476][ T1469] lag2: Port device veth3 added [ 93.051500][ T1479] lag2: Port device veth5 added [ 93.089939][ T1481] 8021q: adding VLAN 0 to HW filter on device lag2 [ 93.122504][ T1482] 8021q: adding VLAN 0 to HW filter on device lag2 [ 93.257773][ T1487] ip_gre: GRE over IPv4 tunneling driver [ 93.787896][ T1513] lag1: Mode changed to "loadbalance" [ 93.850976][ T1516] lag1: Port device veth2 added [ 93.967477][ T1519] lag1: Port device veth4 added [ 94.020963][ T1521] 8021q: adding VLAN 0 to HW filter on device lag1 [ 99.409802][ T1552] Mirror/redirect action on [ 99.459687][ T1554] lag2: Port device veth5 removed [ 103.113937][ T1565] lag2: Port device veth3 removed [ 106.804225][ C1] [ 106.804322][ C1] ================================ [ 106.804413][ C1] WARNING: inconsistent lock state [ 106.804495][ C1] 7.1.0-rc5-virtme #1 Not tainted [ 106.804579][ C1] -------------------------------- [ 106.804664][ C1] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 106.804764][ C1] swapper/1/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 106.804863][ C1] ffffffffc034c7b8 (mirred_list_lock){+.?.}-{3:3}, at: tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 106.805029][ C1] {SOFTIRQ-ON-W} state was registered at: [ 106.805111][ C1] __lock_acquire+0x378/0xc10 [ 106.805202][ C1] lock_acquire.part.0+0xbc/0x260 [ 106.805282][ C1] _raw_spin_lock+0x33/0x40 [ 106.805369][ C1] tcf_mirred_init+0x844/0xd70 [act_mirred] [ 106.805469][ C1] tcf_action_init_1+0x428/0x6b0 [ 106.805548][ C1] tcf_action_init+0x3cf/0x890 [ 106.805635][ C1] tcf_exts_validate_ex+0x411/0x670 [ 106.805718][ C1] fl_change+0xed4/0x4e77 [cls_flower] [ 106.805798][ C1] tc_new_tfilter+0x875/0x21e0 [ 106.805876][ C1] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 106.805955][ C1] netlink_rcv_skb+0x14e/0x3a0 [ 106.806037][ C1] netlink_unicast+0x486/0x750 [ 106.806113][ C1] netlink_sendmsg+0x735/0xc60 [ 106.806191][ C1] ____sys_sendmsg+0x419/0x850 [ 106.806272][ C1] ___sys_sendmsg+0x14e/0x1d0 [ 106.806351][ C1] __sys_sendmsg+0x145/0x1f0 [ 106.806431][ C1] do_syscall_64+0x117/0x590 [ 106.806509][ C1] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 106.806608][ C1] irq event stamp: 2523048 [ 106.806698][ C1] hardirqs last enabled at (2523048): [] _raw_spin_unlock_irqrestore+0x53/0x80 [ 106.806853][ C1] hardirqs last disabled at (2523047): [] _raw_spin_lock_irqsave+0x50/0x60 [ 106.807013][ C1] softirqs last enabled at (2522914): [] handle_softirqs+0x611/0x940 [ 106.807157][ C1] softirqs last disabled at (2522923): [] __irq_exit_rcu+0x103/0x1c0 [ 106.807294][ C1] [ 106.807294][ C1] other info that might help us debug this: [ 106.807411][ C1] Possible unsafe locking scenario: [ 106.807411][ C1] [ 106.807529][ C1] CPU0 [ 106.807588][ C1] ---- [ 106.807650][ C1] lock(mirred_list_lock); [ 106.807731][ C1] [ 106.807790][ C1] lock(mirred_list_lock); [ 106.807869][ C1] [ 106.807869][ C1] *** DEADLOCK *** [ 106.807869][ C1] [ 106.807983][ C1] 1 lock held by swapper/1/0: [ 106.808062][ C1] #0: ffffffffb0d77c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x389/0x1020 [ 106.808202][ C1] [ 106.808202][ C1] stack backtrace: [ 106.808305][ C1] CPU: 1 UID: 0 PID: 0 Comm: swapper/1 Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 106.808308][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 106.808309][ C1] Call Trace: [ 106.808311][ C1] [ 106.808313][ C1] dump_stack_lvl+0x6f/0xa0 [ 106.808317][ C1] print_usage_bug.part.0.cold+0xa9/0xb7 [ 106.808320][ C1] ? filter_irq_stacks+0xd0/0xd0 [ 106.808323][ C1] mark_lock_irq+0x4e3/0x9c0 [ 106.808325][ C1] ? sysvec_apic_timer_interrupt+0x9d/0xe0 [ 106.808327][ C1] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 106.808329][ C1] ? save_trace+0x68/0x280 [ 106.808331][ C1] mark_lock+0x1d7/0xa00 [ 106.808333][ C1] mark_usage+0x42/0x170 [ 106.808335][ C1] __lock_acquire+0x378/0xc10 [ 106.808336][ C1] ? rcu_is_watching+0x15/0xd0 [ 106.808338][ C1] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 106.808342][ C1] lock_acquire.part.0+0xbc/0x260 [ 106.808344][ C1] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 106.808345][ C1] ? rcu_is_watching+0x15/0xd0 [ 106.808347][ C1] ? lock_acquire+0x134/0x160 [ 106.808349][ C1] _raw_spin_lock+0x33/0x40 [ 106.808351][ C1] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 106.808352][ C1] tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 106.808354][ C1] tcf_action_rcu_free+0x74/0x1a0 [ 106.808355][ C1] ? rcu_do_batch+0x2b4/0x1020 [ 106.808357][ C1] rcu_do_batch+0x2b6/0x1020 [ 106.808359][ C1] ? trace_rcu_batch_end+0x330/0x330 [ 106.808361][ C1] ? rcu_is_watching+0x15/0xd0 [ 106.808363][ C1] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 106.808365][ C1] ? trace_irq_disable.constprop.0+0x9b/0x180 [ 106.808366][ C1] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 106.808367][ C1] ? lockdep_hardirqs_on+0x8c/0x130 [ 106.808369][ C1] rcu_core+0x2bf/0x640 [ 106.808371][ C1] handle_softirqs+0x1d8/0x940 [ 106.808373][ C1] ? find_held_lock+0x2b/0x80 [ 106.808375][ C1] ? __lock_release.isra.0+0x6b/0x1a0 [ 106.808377][ C1] ? _local_bh_enable+0xd0/0xd0 [ 106.808379][ C1] __irq_exit_rcu+0x103/0x1c0 [ 106.808380][ C1] irq_exit_rcu+0xe/0x30 [ 106.808382][ C1] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 106.808384][ C1] [ 106.808384][ C1] [ 106.808385][ C1] ? rcu_is_watching+0x15/0xd0 [ 106.808386][ C1] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 106.808388][ C1] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 106.808390][ 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 [ 106.808392][ C1] RSP: 0018:ffa0000000147de8 EFLAGS: 00000296 [ 106.808394][ C1] RAX: 0000000000267f29 RBX: ff11000001bb2340 RCX: ffffffffadad9667 [ 106.808396][ C1] RDX: ff11000001bb2340 RSI: ffffffffb0801bcb RDI: ffffffffb026f6c0 [ 106.808396][ C1] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 106.808397][ C1] R10: 0000000000000001 R11: 0000000000000001 R12: 1ff4000000028fc0 [ 106.808398][ C1] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 106.808400][ C1] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 106.808403][ C1] ? lockdep_hardirqs_on+0x8c/0x130 [ 106.808405][ C1] default_idle+0x9/0x10 [ 106.808407][ C1] default_idle_call+0x6e/0xb0 [ 106.808409][ C1] cpuidle_idle_call.constprop.0+0x237/0x410 [ 106.808410][ C1] ? arch_cpu_idle_exit+0x40/0x40 [ 106.808411][ C1] ? mark_tsc_async_resets+0x30/0x30 [ 106.808414][ C1] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 106.808415][ C1] ? rcu_is_watching+0x15/0xd0 [ 106.808417][ C1] do_idle+0xf5/0x160 [ 106.808419][ C1] cpu_startup_entry+0x53/0x70 [ 106.808420][ C1] start_secondary+0x204/0x2b0 [ 106.808422][ C1] ? set_cpu_sibling_map+0x1fb0/0x1fb0 [ 106.808424][ C1] common_startup_64+0x13e/0x148 [ 106.808428][ C1] [ 107.068749][ T1597] lag2: Mode changed to "loadbalance" [ 107.105565][ T1600] lag2: Port device veth3 added [ 107.185538][ T1603] lag2: Port device veth5 added [ 107.216804][ T1605] 8021q: adding VLAN 0 to HW filter on device lag2 [ 107.242073][ T1606] 8021q: adding VLAN 0 to HW filter on device lag2 [ 112.543811][ T1646] lag2: Port device veth3 removed [ 116.138074][ T1656] lag2: Port device veth5 removed [ 120.011703][ T1688] lag2: Mode changed to "loadbalance" [ 120.042119][ T1692] lag2: Port device veth3 added [ 120.114540][ T1696] lag2: Port device veth5 added [ 120.146118][ T1698] 8021q: adding VLAN 0 to HW filter on device lag2 [ 120.163962][ T1699] 8021q: adding VLAN 0 to HW filter on device lag2 [ 125.439597][ T1513] lag1: Port device veth4 removed [ 125.441441][ T1513] lag1: Port device veth2 removed [ 125.815068][ T1688] lag2: Port device veth5 removed [ 125.816112][ T1688] lag2: Port device veth3 removed