[ 9.698821][ T223] 8021q: 802.1Q VLAN Support v1.8 [ 10.277172][ T249] lag2: Mode changed to "loadbalance" [ 10.325491][ T252] lag2: Port device veth3 added [ 10.460281][ T255] lag2: Port device veth5 added [ 10.509718][ T257] 8021q: adding VLAN 0 to HW filter on device lag2 [ 10.531827][ T259] 8021q: adding VLAN 0 to HW filter on device lag2 [ 10.664968][ T264] gre: GRE over IPv4 demultiplexer driver [ 10.675206][ T264] ip_gre: GRE over IPv4 tunneling driver [ 11.307802][ T293] lag1: Mode changed to "loadbalance" [ 11.386486][ T296] lag1: Port device veth2 added [ 11.515244][ T299] lag1: Port device veth4 added [ 11.564725][ T301] 8021q: adding VLAN 0 to HW filter on device lag1 [ 17.011498][ T333] Mirror/redirect action on [ 17.080400][ T335] GACT probability NOT on [ 17.116279][ T336] lag2: Port device veth5 removed [ 20.783724][ T349] lag2: Port device veth3 removed [ 24.532395][ C0] [ 24.532521][ C0] ================================ [ 24.532653][ C0] WARNING: inconsistent lock state [ 24.532773][ C0] 7.1.0-rc5-virtme #1 Not tainted [ 24.532888][ C0] -------------------------------- [ 24.533010][ C0] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 24.533193][ C0] ksoftirqd/0/14 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 24.533344][ C0] ffffffffc02f87b8 (mirred_list_lock){+.?.}-{3:3}, at: tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 24.533654][ C0] {SOFTIRQ-ON-W} state was registered at: [ 24.533773][ C0] __lock_acquire+0x378/0xc10 [ 24.533927][ C0] lock_acquire.part.0+0xbc/0x260 [ 24.534056][ C0] _raw_spin_lock+0x33/0x40 [ 24.534192][ C0] tcf_mirred_init+0x844/0xd70 [act_mirred] [ 24.534364][ C0] tcf_action_init_1+0x428/0x6b0 [ 24.534502][ C0] tcf_action_init+0x3cf/0x890 [ 24.534636][ C0] tcf_exts_validate_ex+0x411/0x670 [ 24.534774][ C0] fl_change+0xed4/0x4e77 [cls_flower] [ 24.534893][ C0] tc_new_tfilter+0x875/0x21e0 [ 24.535032][ C0] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 24.535158][ C0] netlink_rcv_skb+0x14e/0x3a0 [ 24.535285][ C0] netlink_unicast+0x486/0x750 [ 24.535401][ C0] netlink_sendmsg+0x735/0xc60 [ 24.535518][ C0] ____sys_sendmsg+0x419/0x850 [ 24.535670][ C0] ___sys_sendmsg+0x14e/0x1d0 [ 24.535790][ C0] __sys_sendmsg+0x145/0x1f0 [ 24.535932][ C0] do_syscall_64+0x117/0x590 [ 24.536072][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 24.536236][ C0] irq event stamp: 927922 [ 24.536356][ C0] hardirqs last enabled at (927922): [] _raw_spin_unlock_irqrestore+0x53/0x80 [ 24.536592][ C0] hardirqs last disabled at (927921): [] _raw_spin_lock_irqsave+0x50/0x60 [ 24.536825][ C0] softirqs last enabled at (926950): [] handle_softirqs+0x611/0x940 [ 24.537062][ C0] softirqs last disabled at (926955): [] run_ksoftirqd+0x39/0x60 [ 24.537303][ C0] [ 24.537303][ C0] other info that might help us debug this: [ 24.537509][ C0] Possible unsafe locking scenario: [ 24.537509][ C0] [ 24.537704][ C0] CPU0 [ 24.537805][ C0] ---- [ 24.537894][ C0] lock(mirred_list_lock); [ 24.538017][ C0] [ 24.538113][ C0] lock(mirred_list_lock); [ 24.538232][ C0] [ 24.538232][ C0] *** DEADLOCK *** [ 24.538232][ C0] [ 24.538404][ C0] 1 lock held by ksoftirqd/0/14: [ 24.538519][ C0] #0: ffffffffad177c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x389/0x1020 [ 24.538764][ C0] [ 24.538764][ C0] stack backtrace: [ 24.538943][ C0] CPU: 0 UID: 0 PID: 14 Comm: ksoftirqd/0 Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 24.538948][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 24.538950][ C0] Call Trace: [ 24.538952][ C0] [ 24.538955][ C0] dump_stack_lvl+0x6f/0xa0 [ 24.538961][ C0] print_usage_bug.part.0.cold+0xa9/0xb7 [ 24.538965][ C0] mark_lock_irq+0x4e3/0x9c0 [ 24.538968][ C0] ? kthread+0x367/0x460 [ 24.538973][ C0] ? save_trace+0x68/0x280 [ 24.538975][ C0] ? __lock_acquire+0x508/0xc10 [ 24.538978][ C0] mark_lock+0x1d7/0xa00 [ 24.538981][ C0] mark_usage+0x42/0x170 [ 24.538984][ C0] __lock_acquire+0x378/0xc10 [ 24.538986][ C0] ? rcu_is_watching+0x15/0xd0 [ 24.538990][ C0] lock_acquire.part.0+0xbc/0x260 [ 24.538992][ C0] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 24.538996][ C0] ? rcu_is_watching+0x15/0xd0 [ 24.538999][ C0] ? lock_acquire+0x134/0x160 [ 24.539002][ C0] _raw_spin_lock+0x33/0x40 [ 24.539005][ C0] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 24.539008][ C0] tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 24.539011][ C0] tcf_action_rcu_free+0x74/0x1a0 [ 24.539014][ C0] ? rcu_do_batch+0x2b4/0x1020 [ 24.539016][ C0] rcu_do_batch+0x2b6/0x1020 [ 24.539020][ C0] ? rcu_start_this_gp+0x270/0x490 [ 24.539023][ C0] ? trace_rcu_batch_end+0x330/0x330 [ 24.539026][ C0] ? rcu_is_watching+0x15/0xd0 [ 24.539029][ C0] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 24.539033][ C0] ? trace_irq_disable.constprop.0+0x9b/0x180 [ 24.539036][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 24.539038][ C0] ? lockdep_hardirqs_on+0x8c/0x130 [ 24.539042][ C0] rcu_core+0x2bf/0x640 [ 24.539045][ C0] handle_softirqs+0x1d8/0x940 [ 24.539048][ C0] ? find_held_lock+0x2b/0x80 [ 24.539052][ C0] ? _local_bh_enable+0xd0/0xd0 [ 24.539055][ C0] ? rcu_is_watching+0x15/0xd0 [ 24.539058][ C0] run_ksoftirqd+0x39/0x60 [ 24.539060][ C0] smpboot_thread_fn+0x2fb/0x9b0 [ 24.539064][ C0] ? sort_range+0x20/0x20 [ 24.539067][ C0] kthread+0x367/0x460 [ 24.539069][ C0] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 24.539072][ C0] ? kthread_affine_node+0x330/0x330 [ 24.539075][ C0] ret_from_fork+0x474/0x6b0 [ 24.539079][ C0] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 24.539082][ C0] ? __switch_to+0x5a3/0xe00 [ 24.539086][ C0] ? kthread_affine_node+0x330/0x330 [ 24.539089][ C0] ret_from_fork_asm+0x11/0x20 [ 24.539099][ C0] [ 24.797704][ T381] lag2: Mode changed to "loadbalance" [ 24.838930][ T383] lag2: Port device veth3 added [ 24.937946][ T387] lag2: Port device veth5 added [ 24.983306][ T389] 8021q: adding VLAN 0 to HW filter on device lag2 [ 24.999050][ T390] 8021q: adding VLAN 0 to HW filter on device lag2 [ 30.346434][ T430] lag2: Port device veth3 removed [ 33.953001][ T441] lag2: Port device veth5 removed [ 37.828739][ T473] lag2: Mode changed to "loadbalance" [ 37.895160][ T476] lag2: Port device veth3 added [ 37.951796][ T479] lag2: Port device veth5 added [ 37.987117][ T481] 8021q: adding VLAN 0 to HW filter on device lag2 [ 38.002421][ T482] 8021q: adding VLAN 0 to HW filter on device lag2 [ 43.317871][ T293] lag1: Port device veth4 removed [ 43.320305][ T293] lag1: Port device veth2 removed [ 43.737385][ T473] lag2: Port device veth5 removed [ 43.738550][ T473] lag2: Port device veth3 removed