[ 543.208148][ T4507] ip_gre: GRE over IPv4 tunneling driver [ 543.536978][ T4525] lag: Mode changed to "loadbalance" [ 543.599001][ T4527] lag: Port device veth2 added [ 543.707169][ T4534] lag: Port device veth4 added [ 543.817017][ T4539] 8021q: adding VLAN 0 to HW filter on device lag [ 543.841120][ T4540] br1: port 1(lag) entered blocking state [ 543.841280][ T4540] br1: port 1(lag) entered disabled state [ 543.841433][ T4540] lag: entered allmulticast mode [ 543.841567][ T4540] veth2: entered allmulticast mode [ 543.841758][ T4540] veth4: entered allmulticast mode [ 543.844983][ T4540] veth2: entered promiscuous mode [ 543.845502][ T4540] veth4: entered promiscuous mode [ 543.873209][ T4541] br1: port 1(lag) entered blocking state [ 543.873459][ T4541] br1: port 1(lag) entered forwarding state [ 549.579977][ T4581] Mirror/redirect action on [ 563.445862][ T391] br1: port 1(lag) entered disabled state [ 568.743973][ T92] br1: port 1(lag) entered blocking state [ 568.744160][ T92] br1: port 1(lag) entered forwarding state [ 568.826832][ C0] [ 568.826897][ C0] ================================ [ 568.826989][ C0] WARNING: inconsistent lock state [ 568.827075][ C0] 7.1.0-rc5-virtme #1 Not tainted [ 568.827159][ C0] -------------------------------- [ 568.827238][ C0] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 568.827335][ C0] ksoftirqd/0/14 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 568.827443][ C0] ffffffffc06187b8 (mirred_list_lock){+.?.}-{3:3}, at: tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 568.827610][ C0] {SOFTIRQ-ON-W} state was registered at: [ 568.827691][ C0] __lock_acquire+0x378/0xc10 [ 568.827788][ C0] lock_acquire.part.0+0xbc/0x260 [ 568.827867][ C0] _raw_spin_lock+0x33/0x40 [ 568.827949][ C0] tcf_mirred_init+0x844/0xd70 [act_mirred] [ 568.828047][ C0] tcf_action_init_1+0x428/0x6b0 [ 568.828128][ C0] tcf_action_init+0x3cf/0x890 [ 568.828207][ C0] tcf_exts_validate_ex+0x411/0x670 [ 568.828286][ C0] fl_change+0xed4/0x4e77 [cls_flower] [ 568.828367][ C0] tc_new_tfilter+0x875/0x21e0 [ 568.828456][ C0] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 568.828535][ C0] netlink_rcv_skb+0x14e/0x3a0 [ 568.828618][ C0] netlink_unicast+0x486/0x750 [ 568.828697][ C0] netlink_sendmsg+0x735/0xc60 [ 568.828775][ C0] ____sys_sendmsg+0x419/0x850 [ 568.828855][ C0] ___sys_sendmsg+0x14e/0x1d0 [ 568.828934][ C0] __sys_sendmsg+0x145/0x1f0 [ 568.829014][ C0] do_syscall_64+0x117/0x590 [ 568.829094][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 568.829193][ C0] irq event stamp: 11356172 [ 568.829274][ C0] hardirqs last enabled at (11356172): [] _raw_spin_unlock_irqrestore+0x53/0x80 [ 568.829437][ C0] hardirqs last disabled at (11356171): [] _raw_spin_lock_irqsave+0x50/0x60 [ 568.829600][ C0] softirqs last enabled at (11355056): [] handle_softirqs+0x611/0x940 [ 568.829738][ C0] softirqs last disabled at (11355061): [] run_ksoftirqd+0x39/0x60 [ 568.829873][ C0] [ 568.829873][ C0] other info that might help us debug this: [ 568.830028][ C0] Possible unsafe locking scenario: [ 568.830028][ C0] [ 568.830152][ C0] CPU0 [ 568.830213][ C0] ---- [ 568.830311][ C0] lock(mirred_list_lock); [ 568.830396][ C0] [ 568.830457][ C0] lock(mirred_list_lock); [ 568.830536][ C0] [ 568.830536][ C0] *** DEADLOCK *** [ 568.830536][ C0] [ 568.830695][ C0] 1 lock held by ksoftirqd/0/14: [ 568.830775][ C0] #0: ffffffffae177c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x389/0x1020 [ 568.830921][ C0] [ 568.830921][ C0] stack backtrace: [ 568.831064][ C0] CPU: 0 UID: 0 PID: 14 Comm: ksoftirqd/0 Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 568.831067][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 568.831069][ C0] Call Trace: [ 568.831071][ C0] [ 568.831072][ C0] dump_stack_lvl+0x6f/0xa0 [ 568.831077][ C0] print_usage_bug.part.0.cold+0xa9/0xb7 [ 568.831081][ C0] mark_lock_irq+0x4e3/0x9c0 [ 568.831082][ C0] ? kthread+0x367/0x460 [ 568.831085][ C0] ? save_trace+0x68/0x280 [ 568.831086][ C0] ? __lock_acquire+0x508/0xc10 [ 568.831088][ C0] mark_lock+0x1d7/0xa00 [ 568.831090][ C0] mark_usage+0x42/0x170 [ 568.831091][ C0] __lock_acquire+0x378/0xc10 [ 568.831093][ C0] ? rcu_is_watching+0x15/0xd0 [ 568.831096][ C0] lock_acquire.part.0+0xbc/0x260 [ 568.831097][ C0] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 568.831099][ C0] ? rcu_is_watching+0x15/0xd0 [ 568.831101][ C0] ? lock_acquire+0x134/0x160 [ 568.831103][ C0] _raw_spin_lock+0x33/0x40 [ 568.831105][ C0] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 568.831106][ C0] tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 568.831108][ C0] tcf_action_rcu_free+0x74/0x1a0 [ 568.831109][ C0] ? rcu_do_batch+0x2b4/0x1020 [ 568.831111][ C0] rcu_do_batch+0x2b6/0x1020 [ 568.831114][ C0] ? rcu_start_this_gp+0x270/0x490 [ 568.831116][ C0] ? trace_rcu_batch_end+0x330/0x330 [ 568.831118][ C0] ? rcu_is_watching+0x15/0xd0 [ 568.831120][ C0] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 568.831123][ C0] ? trace_irq_disable.constprop.0+0x9b/0x180 [ 568.831124][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 568.831126][ C0] ? lockdep_hardirqs_on+0x8c/0x130 [ 568.831128][ C0] rcu_core+0x2bf/0x640 [ 568.831130][ C0] handle_softirqs+0x1d8/0x940 [ 568.831132][ C0] ? find_held_lock+0x2b/0x80 [ 568.831135][ C0] ? _local_bh_enable+0xd0/0xd0 [ 568.831136][ C0] ? rcu_is_watching+0x15/0xd0 [ 568.831138][ C0] run_ksoftirqd+0x39/0x60 [ 568.831139][ C0] smpboot_thread_fn+0x2fb/0x9b0 [ 568.831142][ C0] ? sort_range+0x20/0x20 [ 568.831144][ C0] kthread+0x367/0x460 [ 568.831145][ C0] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 568.831147][ C0] ? kthread_affine_node+0x330/0x330 [ 568.831149][ C0] ret_from_fork+0x474/0x6b0 [ 568.831152][ C0] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 568.831153][ C0] ? __switch_to+0x5a3/0xe00 [ 568.831156][ C0] ? kthread_affine_node+0x330/0x330 [ 568.831158][ C0] ret_from_fork_asm+0x11/0x20 [ 568.831161][ C0] [ 582.605703][ T3936] br1: port 1(lag) entered disabled state [ 587.800087][ T38] br1: port 1(lag) entered blocking state [ 587.800273][ T38] br1: port 1(lag) entered forwarding state [ 587.936902][ T4689] lag: left allmulticast mode [ 587.937258][ T4689] veth2: left allmulticast mode [ 587.937350][ T4689] veth4: left allmulticast mode [ 587.937483][ T4689] br1: port 1(lag) entered disabled state [ 587.938377][ T4689] veth2: left promiscuous mode [ 587.938469][ T4689] veth4: left promiscuous mode [ 587.957479][ T4525] lag: Port device veth4 removed [ 587.962898][ T4525] lag: Port device veth2 removed