[ 804.461476][T22916] lag2: Mode changed to "loadbalance" [ 804.515533][T22919] lag2: Port device veth3 added [ 804.640786][T22929] lag2: Port device veth5 added [ 804.692570][T22931] 8021q: adding VLAN 0 to HW filter on device lag2 [ 804.718283][T22933] 8021q: adding VLAN 0 to HW filter on device lag2 [ 805.358717][T22962] lag1: Mode changed to "loadbalance" [ 805.431831][T22965] lag1: Port device veth2 added [ 805.556355][T22968] lag1: Port device veth4 added [ 805.605364][T22970] 8021q: adding VLAN 0 to HW filter on device lag1 [ 811.062862][T23001] Mirror/redirect action on [ 811.182250][T23003] lag2: Port device veth5 removed [ 814.971559][T23014] lag2: Port device veth3 removed [ 818.748303][ C3] [ 818.748393][ C3] ================================ [ 818.748483][ C3] WARNING: inconsistent lock state [ 818.748563][ C3] 7.1.0-rc5-virtme #1 Not tainted [ 818.748649][ C3] -------------------------------- [ 818.748734][ C3] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 818.748835][ C3] ksoftirqd/3/33 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 818.748939][ C3] ffffffffc081d7b8 (mirred_list_lock){+.?.}-{3:3}, at: tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 818.749109][ C3] {SOFTIRQ-ON-W} state was registered at: [ 818.749191][ C3] __lock_acquire+0x378/0xc10 [ 818.749278][ C3] lock_acquire.part.0+0xbc/0x260 [ 818.749366][ C3] _raw_spin_lock+0x33/0x40 [ 818.749456][ C3] tcf_mirred_init+0x844/0xd70 [act_mirred] [ 818.749558][ C3] tcf_action_init_1+0x428/0x6b0 [ 818.749640][ C3] tcf_action_init+0x3cf/0x890 [ 818.749721][ C3] tcf_exts_validate_ex+0x411/0x670 [ 818.749801][ C3] fl_change+0xed4/0x4e77 [cls_flower] [ 818.749884][ C3] tc_new_tfilter+0x875/0x21e0 [ 818.749969][ C3] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 818.750052][ C3] netlink_rcv_skb+0x14e/0x3a0 [ 818.750136][ C3] netlink_unicast+0x486/0x750 [ 818.750218][ C3] netlink_sendmsg+0x735/0xc60 [ 818.750305][ C3] ____sys_sendmsg+0x419/0x850 [ 818.750392][ C3] ___sys_sendmsg+0x14e/0x1d0 [ 818.750473][ C3] __sys_sendmsg+0x145/0x1f0 [ 818.750557][ C3] do_syscall_64+0x117/0x590 [ 818.750638][ C3] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 818.750745][ C3] irq event stamp: 18452584 [ 818.750873][ C3] hardirqs last enabled at (18452584): [] _raw_spin_unlock_irqrestore+0x53/0x80 [ 818.751035][ C3] hardirqs last disabled at (18452583): [] _raw_spin_lock_irqsave+0x50/0x60 [ 818.751240][ C3] softirqs last enabled at (18451800): [] handle_softirqs+0x611/0x940 [ 818.751405][ C3] softirqs last disabled at (18451805): [] run_ksoftirqd+0x39/0x60 [ 818.751544][ C3] [ 818.751544][ C3] other info that might help us debug this: [ 818.751701][ C3] Possible unsafe locking scenario: [ 818.751701][ C3] [ 818.751818][ C3] CPU0 [ 818.751880][ C3] ---- [ 818.751982][ C3] lock(mirred_list_lock); [ 818.752066][ C3] [ 818.752126][ C3] lock(mirred_list_lock); [ 818.752205][ C3] [ 818.752205][ C3] *** DEADLOCK *** [ 818.752205][ C3] [ 818.752368][ C3] 1 lock held by ksoftirqd/3/33: [ 818.752455][ C3] #0: ffffffffa9577c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x389/0x1020 [ 818.752600][ C3] [ 818.752600][ C3] stack backtrace: [ 818.752743][ C3] CPU: 3 UID: 0 PID: 33 Comm: ksoftirqd/3 Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 818.752746][ C3] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 818.752749][ C3] Call Trace: [ 818.752750][ C3] [ 818.752752][ C3] dump_stack_lvl+0x6f/0xa0 [ 818.752757][ C3] print_usage_bug.part.0.cold+0xa9/0xb7 [ 818.752760][ C3] mark_lock_irq+0x4e3/0x9c0 [ 818.752762][ C3] ? kthread+0x367/0x460 [ 818.752765][ C3] ? save_trace+0x68/0x280 [ 818.752767][ C3] ? __lock_acquire+0x508/0xc10 [ 818.752769][ C3] mark_lock+0x1d7/0xa00 [ 818.752771][ C3] mark_usage+0x42/0x170 [ 818.752772][ C3] __lock_acquire+0x378/0xc10 [ 818.752774][ C3] ? rcu_is_watching+0x15/0xd0 [ 818.752776][ C3] lock_acquire.part.0+0xbc/0x260 [ 818.752778][ C3] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 818.752780][ C3] ? rcu_is_watching+0x15/0xd0 [ 818.752782][ C3] ? lock_acquire+0x134/0x160 [ 818.752784][ C3] _raw_spin_lock+0x33/0x40 [ 818.752786][ C3] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 818.752787][ C3] tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 818.752789][ C3] tcf_action_rcu_free+0x74/0x1a0 [ 818.752791][ C3] ? rcu_do_batch+0x2b4/0x1020 [ 818.752792][ C3] rcu_do_batch+0x2b6/0x1020 [ 818.752795][ C3] ? rcu_start_this_gp+0x270/0x490 [ 818.752797][ C3] ? trace_rcu_batch_end+0x330/0x330 [ 818.752799][ C3] ? rcu_is_watching+0x15/0xd0 [ 818.752801][ C3] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 818.752804][ C3] ? trace_irq_disable.constprop.0+0x9b/0x180 [ 818.752806][ C3] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 818.752807][ C3] ? lockdep_hardirqs_on+0x8c/0x130 [ 818.752809][ C3] rcu_core+0x2bf/0x640 [ 818.752811][ C3] handle_softirqs+0x1d8/0x940 [ 818.752813][ C3] ? find_held_lock+0x2b/0x80 [ 818.752816][ C3] ? _local_bh_enable+0xd0/0xd0 [ 818.752817][ C3] ? rcu_is_watching+0x15/0xd0 [ 818.752819][ C3] run_ksoftirqd+0x39/0x60 [ 818.752821][ C3] smpboot_thread_fn+0x2fb/0x9b0 [ 818.752824][ C3] ? sort_range+0x20/0x20 [ 818.752825][ C3] kthread+0x367/0x460 [ 818.752827][ C3] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 818.752828][ C3] ? kthread_affine_node+0x330/0x330 [ 818.752830][ C3] ret_from_fork+0x474/0x6b0 [ 818.752833][ C3] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 818.752835][ C3] ? __switch_to+0x5a3/0xe00 [ 818.752837][ C3] ? kthread_affine_node+0x330/0x330 [ 818.752839][ C3] ret_from_fork_asm+0x11/0x20 [ 818.752843][ C3] [ 819.057269][T23046] lag2: Mode changed to "loadbalance" [ 819.106134][T23049] lag2: Port device veth3 added [ 819.198727][T23052] lag2: Port device veth5 added [ 819.250892][T23054] 8021q: adding VLAN 0 to HW filter on device lag2 [ 819.278081][T23055] 8021q: adding VLAN 0 to HW filter on device lag2 [ 824.649995][T23095] lag2: Port device veth3 removed [ 828.257249][T23105] lag2: Port device veth5 removed [ 832.157173][T23137] lag2: Mode changed to "loadbalance" [ 832.203525][T23141] lag2: Port device veth3 added [ 832.284326][T23145] lag2: Port device veth5 added [ 832.321536][T23147] 8021q: adding VLAN 0 to HW filter on device lag2 [ 832.342318][T23148] 8021q: adding VLAN 0 to HW filter on device lag2 [ 837.665184][T22962] lag1: Port device veth4 removed [ 837.667780][T22962] lag1: Port device veth2 removed [ 838.110975][T23137] lag2: Port device veth5 removed [ 838.115292][T23137] lag2: Port device veth3 removed