[ 147.843706][ T2340] lag2: Mode changed to "loadbalance" [ 147.896784][ T2344] lag2: Port device veth3 added [ 147.989938][ T2348] lag2: Port device veth5 added [ 148.079763][ T2357] 8021q: adding VLAN 0 to HW filter on device lag2 [ 148.110350][ T2358] 8021q: adding VLAN 0 to HW filter on device lag2 [ 148.271879][ T2363] ip_gre: GRE over IPv4 tunneling driver [ 148.816094][ T2389] lag1: Mode changed to "loadbalance" [ 148.937679][ T2392] lag1: Port device veth2 added [ 149.025229][ T2395] lag1: Port device veth4 added [ 149.082342][ T2397] 8021q: adding VLAN 0 to HW filter on device lag1 [ 154.505951][ T2428] Mirror/redirect action on [ 154.559916][ T2430] lag2: Port device veth5 removed [ 158.222165][ T2441] lag2: Port device veth3 removed [ 161.940156][ C3] [ 161.940241][ C3] ================================ [ 161.940337][ C3] WARNING: inconsistent lock state [ 161.940425][ C3] 7.1.0-rc5-virtme #1 Not tainted [ 161.940515][ C3] -------------------------------- [ 161.940609][ C3] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 161.940718][ C3] swapper/3/0 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 161.940823][ C3] ffffffffc05487b8 (mirred_list_lock){+.?.}-{3:3}, at: tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 161.941008][ C3] {SOFTIRQ-ON-W} state was registered at: [ 161.941097][ C3] __lock_acquire+0x378/0xc10 [ 161.941193][ C3] lock_acquire.part.0+0xbc/0x260 [ 161.941281][ C3] _raw_spin_lock+0x33/0x40 [ 161.941368][ C3] tcf_mirred_init+0x844/0xd70 [act_mirred] [ 161.941473][ C3] tcf_action_init_1+0x428/0x6b0 [ 161.941561][ C3] tcf_action_init+0x3cf/0x890 [ 161.941650][ C3] tcf_exts_validate_ex+0x411/0x670 [ 161.941739][ C3] fl_change+0xed4/0x4e77 [cls_flower] [ 161.941827][ C3] tc_new_tfilter+0x875/0x21e0 [ 161.941915][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 161.942001][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 161.942089][ C3] netlink_unicast+0x486/0x750 [ 161.942177][ C3] netlink_sendmsg+0x735/0xc60 [ 161.942262][ C3] ____sys_sendmsg+0x419/0x850 [ 161.942350][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 161.942437][ C3] __sys_sendmsg+0x145/0x1f0 [ 161.942528][ C3] do_syscall_64+0x117/0x590 [ 161.942615][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 161.942725][ C3] irq event stamp: 4532158 [ 161.942811][ C3] hardirqs last enabled at (4532158): [] _raw_spin_unlock_irqrestore+0x53/0x80 [ 161.942988][ C3] hardirqs last disabled at (4532157): [] _raw_spin_lock_irqsave+0x50/0x60 [ 161.943164][ C3] softirqs last enabled at (4531950): [] handle_softirqs+0x611/0x940 [ 161.943353][ C3] softirqs last disabled at (4531965): [] __irq_exit_rcu+0x103/0x1c0 [ 161.943499][ C3] [ 161.943499][ C3] other info that might help us debug this: [ 161.943633][ C3] Possible unsafe locking scenario: [ 161.943633][ C3] [ 161.943804][ C3] CPU0 [ 161.943868][ C3] ---- [ 161.943932][ C3] lock(mirred_list_lock); [ 161.944018][ C3] [ 161.944128][ C3] lock(mirred_list_lock); [ 161.944220][ C3] [ 161.944220][ C3] *** DEADLOCK *** [ 161.944220][ C3] [ 161.944349][ C3] 1 lock held by swapper/3/0: [ 161.944433][ C3] #0: ffffffffb2d77c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x389/0x1020 [ 161.944589][ C3] [ 161.944589][ C3] stack backtrace: [ 161.944699][ C3] CPU: 3 UID: 0 PID: 0 Comm: swapper/3 Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 161.944702][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 161.944704][ C3] Call Trace: [ 161.944705][ C3] [ 161.944706][ C3] dump_stack_lvl+0x6f/0xa0 [ 161.944711][ C3] print_usage_bug.part.0.cold+0xa9/0xb7 [ 161.944714][ C3] ? filter_irq_stacks+0xd0/0xd0 [ 161.944717][ C3] mark_lock_irq+0x4e3/0x9c0 [ 161.944719][ C3] ? sysvec_apic_timer_interrupt+0x9d/0xe0 [ 161.944721][ C3] ? asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 161.944723][ C3] ? save_trace+0x68/0x280 [ 161.944726][ C3] mark_lock+0x1d7/0xa00 [ 161.944727][ C3] mark_usage+0x42/0x170 [ 161.944729][ C3] __lock_acquire+0x378/0xc10 [ 161.944730][ C3] ? rcu_is_watching+0x15/0xd0 [ 161.944732][ C3] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 161.944736][ C3] lock_acquire.part.0+0xbc/0x260 [ 161.944738][ C3] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 161.944740][ C3] ? rcu_is_watching+0x15/0xd0 [ 161.944742][ C3] ? lock_acquire+0x134/0x160 [ 161.944744][ C3] _raw_spin_lock+0x33/0x40 [ 161.944745][ C3] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 161.944747][ C3] tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 161.944749][ C3] tcf_action_rcu_free+0x74/0x1a0 [ 161.944750][ C3] ? rcu_do_batch+0x2b4/0x1020 [ 161.944752][ C3] rcu_do_batch+0x2b6/0x1020 [ 161.944755][ C3] ? trace_rcu_batch_end+0x330/0x330 [ 161.944757][ C3] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 161.944759][ C3] ? do_raw_spin_unlock+0x59/0x250 [ 161.944760][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 161.944762][ C3] ? lockdep_hardirqs_on+0x8c/0x130 [ 161.944763][ C3] ? _raw_spin_unlock_irqrestore+0x53/0x80 [ 161.944765][ C3] ? _raw_spin_unlock_irqrestore+0x40/0x80 [ 161.944767][ C3] rcu_core+0x2bf/0x640 [ 161.944769][ C3] handle_softirqs+0x1d8/0x940 [ 161.944770][ C3] ? find_held_lock+0x2b/0x80 [ 161.944773][ C3] ? __lock_release.isra.0+0x6b/0x1a0 [ 161.944774][ C3] ? _local_bh_enable+0xd0/0xd0 [ 161.944776][ C3] __irq_exit_rcu+0x103/0x1c0 [ 161.944778][ C3] irq_exit_rcu+0xe/0x30 [ 161.944779][ C3] sysvec_apic_timer_interrupt+0x9d/0xe0 [ 161.944781][ C3] [ 161.944782][ C3] [ 161.944782][ C3] ? rcu_is_watching+0x15/0xd0 [ 161.944784][ C3] asm_sysvec_apic_timer_interrupt+0x1a/0x20 [ 161.944786][ C3] RIP: 0010:pv_native_safe_halt+0xf/0x10 [ 161.944788][ C3] 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 [ 161.944790][ C3] RSP: 0018:ffa0000000167de8 EFLAGS: 00000296 [ 161.944793][ C3] RAX: 00000000004526fb RBX: ff11000001bd0040 RCX: ffffffffafad9667 [ 161.944794][ C3] RDX: ff11000001bd0040 RSI: ffffffffb2801bcb RDI: ffffffffb226f6c0 [ 161.944795][ C3] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 161.944796][ C3] R10: 0000000000000003 R11: 0000000000000001 R12: 1ff400000002cfc0 [ 161.944796][ C3] R13: 0000000000000000 R14: dffffc0000000000 R15: 0000000000000000 [ 161.944798][ C3] ? cpuidle_idle_call.constprop.0+0x237/0x410 [ 161.944801][ C3] ? lockdep_hardirqs_on+0x8c/0x130 [ 161.944803][ C3] default_idle+0x9/0x10 [ 161.944805][ C3] default_idle_call+0x6e/0xb0 [ 161.944807][ C3] cpuidle_idle_call.constprop.0+0x237/0x410 [ 161.944808][ C3] ? arch_cpu_idle_exit+0x40/0x40 [ 161.944810][ C3] ? mark_tsc_async_resets+0x30/0x30 [ 161.944812][ C3] ? rcu_is_watching+0x15/0xd0 [ 161.944814][ C3] do_idle+0xf5/0x160 [ 161.944816][ C3] cpu_startup_entry+0x53/0x70 [ 161.944817][ C3] start_secondary+0x204/0x2b0 [ 161.944819][ C3] ? set_cpu_sibling_map+0x1fb0/0x1fb0 [ 161.944821][ C3] common_startup_64+0x13e/0x148 [ 161.944825][ C3] [ 162.193475][ T2473] lag2: Mode changed to "loadbalance" [ 162.233916][ T2476] lag2: Port device veth3 added [ 162.319647][ T2479] lag2: Port device veth5 added [ 162.355687][ T2481] 8021q: adding VLAN 0 to HW filter on device lag2 [ 162.378622][ T2482] 8021q: adding VLAN 0 to HW filter on device lag2 [ 167.685167][ T2522] lag2: Port device veth3 removed [ 171.296568][ T2532] lag2: Port device veth5 removed [ 175.191549][ T2564] lag2: Mode changed to "loadbalance" [ 175.224945][ T2568] lag2: Port device veth3 added [ 175.306217][ T2572] lag2: Port device veth5 added [ 175.333694][ T2574] 8021q: adding VLAN 0 to HW filter on device lag2 [ 175.352174][ T2575] 8021q: adding VLAN 0 to HW filter on device lag2 [ 180.654549][ T2389] lag1: Port device veth4 removed [ 180.656440][ T2389] lag1: Port device veth2 removed [ 181.059801][ T2564] lag2: Port device veth5 removed [ 181.060928][ T2564] lag2: Port device veth3 removed