[ 913.282094][T14802] lag2: Mode changed to "loadbalance" [ 913.351524][T14807] lag2: Port device veth3 added [ 913.452213][T14817] lag2: Port device veth5 added [ 913.497216][T14819] 8021q: adding VLAN 0 to HW filter on device lag2 [ 913.523619][T14820] 8021q: adding VLAN 0 to HW filter on device lag2 [ 914.118787][T14847] lag1: Mode changed to "loadbalance" [ 914.173517][T14851] lag1: Port device veth2 added [ 914.300357][T14855] lag1: Port device veth4 added [ 914.350247][T14857] 8021q: adding VLAN 0 to HW filter on device lag1 [ 919.779756][T14888] Mirror/redirect action on [ 919.835910][T14890] lag2: Port device veth5 removed [ 923.514993][T14901] lag2: Port device veth3 removed [ 927.236508][ C1] [ 927.236613][ C1] ================================ [ 927.236732][ C1] WARNING: inconsistent lock state [ 927.236847][ C1] 7.1.0-rc5-virtme #1 Not tainted [ 927.236975][ C1] -------------------------------- [ 927.237088][ C1] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 927.237227][ C1] ksoftirqd/1/23 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 927.237375][ C1] ffffffffc08527b8 (mirred_list_lock){+.?.}-{3:3}, at: tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 927.237603][ C1] {SOFTIRQ-ON-W} state was registered at: [ 927.237719][ C1] __lock_acquire+0x378/0xc10 [ 927.237834][ C1] lock_acquire.part.0+0xbc/0x260 [ 927.237950][ C1] _raw_spin_lock+0x33/0x40 [ 927.238069][ C1] tcf_mirred_init+0x844/0xd70 [act_mirred] [ 927.238213][ C1] tcf_action_init_1+0x428/0x6b0 [ 927.238330][ C1] tcf_action_init+0x3cf/0x890 [ 927.238442][ C1] tcf_exts_validate_ex+0x411/0x670 [ 927.238557][ C1] fl_change+0xed4/0x4e77 [cls_flower] [ 927.238671][ C1] tc_new_tfilter+0x875/0x21e0 [ 927.238783][ C1] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 927.238895][ C1] netlink_rcv_skb+0x14e/0x3a0 [ 927.239011][ C1] netlink_unicast+0x486/0x750 [ 927.239121][ C1] netlink_sendmsg+0x735/0xc60 [ 927.239235][ C1] ____sys_sendmsg+0x419/0x850 [ 927.239351][ C1] ___sys_sendmsg+0x14e/0x1d0 [ 927.239465][ C1] __sys_sendmsg+0x145/0x1f0 [ 927.239575][ C1] do_syscall_64+0x117/0x590 [ 927.239685][ C1] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 927.239823][ C1] irq event stamp: 6406148 [ 927.239934][ C1] hardirqs last enabled at (6406148): [] _raw_spin_unlock_irqrestore+0x53/0x80 [ 927.240163][ C1] hardirqs last disabled at (6406147): [] _raw_spin_lock_irqsave+0x50/0x60 [ 927.240383][ C1] softirqs last enabled at (6406132): [] handle_softirqs+0x611/0x940 [ 927.240577][ C1] softirqs last disabled at (6406137): [] run_ksoftirqd+0x39/0x60 [ 927.240759][ C1] [ 927.240759][ C1] other info that might help us debug this: [ 927.240910][ C1] Possible unsafe locking scenario: [ 927.240910][ C1] [ 927.241076][ C1] CPU0 [ 927.241159][ C1] ---- [ 927.241241][ C1] lock(mirred_list_lock); [ 927.241354][ C1] [ 927.241436][ C1] lock(mirred_list_lock); [ 927.241547][ C1] [ 927.241547][ C1] *** DEADLOCK *** [ 927.241547][ C1] [ 927.241723][ C1] 1 lock held by ksoftirqd/1/23: [ 927.241834][ C1] #0: ffffffffadb77c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x389/0x1020 [ 927.242038][ C1] [ 927.242038][ C1] stack backtrace: [ 927.242177][ C1] CPU: 1 UID: 0 PID: 23 Comm: ksoftirqd/1 Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 927.242181][ C1] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 927.242183][ C1] Call Trace: [ 927.242184][ C1] [ 927.242187][ C1] dump_stack_lvl+0x6f/0xa0 [ 927.242193][ C1] print_usage_bug.part.0.cold+0xa9/0xb7 [ 927.242197][ C1] mark_lock_irq+0x4e3/0x9c0 [ 927.242201][ C1] ? kthread+0x367/0x460 [ 927.242205][ C1] ? save_trace+0x68/0x280 [ 927.242207][ C1] ? __lock_acquire+0x508/0xc10 [ 927.242210][ C1] mark_lock+0x1d7/0xa00 [ 927.242212][ C1] mark_usage+0x42/0x170 [ 927.242215][ C1] __lock_acquire+0x378/0xc10 [ 927.242217][ C1] ? rcu_is_watching+0x15/0xd0 [ 927.242221][ C1] lock_acquire.part.0+0xbc/0x260 [ 927.242224][ C1] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 927.242227][ C1] ? rcu_is_watching+0x15/0xd0 [ 927.242229][ C1] ? lock_acquire+0x134/0x160 [ 927.242232][ C1] _raw_spin_lock+0x33/0x40 [ 927.242235][ C1] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 927.242238][ C1] tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 927.242241][ C1] tcf_action_rcu_free+0x74/0x1a0 [ 927.242244][ C1] ? rcu_do_batch+0x2b4/0x1020 [ 927.242246][ C1] rcu_do_batch+0x2b6/0x1020 [ 927.242250][ C1] ? rcu_start_this_gp+0x270/0x490 [ 927.242253][ C1] ? trace_rcu_batch_end+0x330/0x330 [ 927.242256][ C1] ? rcu_is_watching+0x15/0xd0 [ 927.242259][ C1] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 927.242263][ C1] rcu_core+0x2bf/0x640 [ 927.242266][ C1] handle_softirqs+0x1d8/0x940 [ 927.242268][ C1] ? find_held_lock+0x2b/0x80 [ 927.242273][ C1] ? _local_bh_enable+0xd0/0xd0 [ 927.242275][ C1] ? rcu_is_watching+0x15/0xd0 [ 927.242278][ C1] run_ksoftirqd+0x39/0x60 [ 927.242280][ C1] smpboot_thread_fn+0x2fb/0x9b0 [ 927.242284][ C1] ? sort_range+0x20/0x20 [ 927.242286][ C1] kthread+0x367/0x460 [ 927.242289][ C1] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 927.242291][ C1] ? kthread_affine_node+0x330/0x330 [ 927.242294][ C1] ret_from_fork+0x474/0x6b0 [ 927.242297][ C1] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 927.242300][ C1] ? __switch_to+0x5a3/0xe00 [ 927.242304][ C1] ? kthread_affine_node+0x330/0x330 [ 927.242306][ C1] ret_from_fork_asm+0x11/0x20 [ 927.242312][ C1] [ 927.526952][T14933] lag2: Mode changed to "loadbalance" [ 927.581475][T14936] lag2: Port device veth3 added [ 927.656483][T14939] lag2: Port device veth5 added [ 927.696097][T14941] 8021q: adding VLAN 0 to HW filter on device lag2 [ 927.715474][T14942] 8021q: adding VLAN 0 to HW filter on device lag2 [ 933.026902][T14982] lag2: Port device veth3 removed [ 936.645040][T14992] lag2: Port device veth5 removed [ 940.536048][T15024] lag2: Mode changed to "loadbalance" [ 940.605841][T15027] lag2: Port device veth3 added [ 940.649195][T15030] lag2: Port device veth5 added [ 940.684507][T15032] 8021q: adding VLAN 0 to HW filter on device lag2 [ 940.703240][T15033] 8021q: adding VLAN 0 to HW filter on device lag2 [ 946.008265][T14847] lag1: Port device veth4 removed [ 946.018738][T14847] lag1: Port device veth2 removed [ 946.460855][T15024] lag2: Port device veth5 removed [ 946.462017][T15024] lag2: Port device veth3 removed