[ 144.504687][ T2239] ip_gre: GRE over IPv4 tunneling driver [ 144.874163][ T2258] lag: Mode changed to "loadbalance" [ 144.938034][ T2261] lag: Port device veth2 added [ 145.081391][ T2269] lag: Port device veth4 added [ 145.150009][ T2271] 8021q: adding VLAN 0 to HW filter on device lag [ 145.184074][ T2272] br1: port 1(lag) entered blocking state [ 145.184256][ T2272] br1: port 1(lag) entered disabled state [ 145.184459][ T2272] lag: entered allmulticast mode [ 145.184592][ T2272] veth2: entered allmulticast mode [ 145.184732][ T2272] veth4: entered allmulticast mode [ 145.187375][ T2272] veth2: entered promiscuous mode [ 145.187608][ T2272] veth4: entered promiscuous mode [ 145.214066][ T2273] br1: port 1(lag) entered blocking state [ 145.214252][ T2273] br1: port 1(lag) entered forwarding state [ 150.910938][ T2314] Mirror/redirect action on [ 164.856597][ T58] br1: port 1(lag) entered disabled state [ 170.189286][ T482] br1: port 1(lag) entered blocking state [ 170.189475][ T482] br1: port 1(lag) entered forwarding state [ 170.262037][ C0] [ 170.262139][ C0] ================================ [ 170.262264][ C0] WARNING: inconsistent lock state [ 170.262393][ C0] 7.1.0-rc5-virtme #1 Not tainted [ 170.262516][ C0] -------------------------------- [ 170.262636][ C0] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage. [ 170.262789][ C0] ksoftirqd/0/14 [HC0[0]:SC1[1]:HE1:SE0] takes: [ 170.262949][ C0] ffffffffc05387b8 (mirred_list_lock){+.?.}-{3:3}, at: tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 170.263207][ C0] {SOFTIRQ-ON-W} state was registered at: [ 170.263333][ C0] __lock_acquire+0x378/0xc10 [ 170.263459][ C0] lock_acquire.part.0+0xbc/0x260 [ 170.263574][ C0] _raw_spin_lock+0x33/0x40 [ 170.263696][ C0] tcf_mirred_init+0x844/0xd70 [act_mirred] [ 170.263848][ C0] tcf_action_init_1+0x428/0x6b0 [ 170.263976][ C0] tcf_action_init+0x3cf/0x890 [ 170.264098][ C0] tcf_exts_validate_ex+0x411/0x670 [ 170.264221][ C0] fl_change+0xed4/0x4e77 [cls_flower] [ 170.264345][ C0] tc_new_tfilter+0x875/0x21e0 [ 170.264465][ C0] rtnetlink_rcv_msg+0x6fd/0xbd0 [ 170.264585][ C0] netlink_rcv_skb+0x14e/0x3a0 [ 170.264709][ C0] netlink_unicast+0x486/0x750 [ 170.264830][ C0] netlink_sendmsg+0x735/0xc60 [ 170.264956][ C0] ____sys_sendmsg+0x419/0x850 [ 170.265094][ C0] ___sys_sendmsg+0x14e/0x1d0 [ 170.265211][ C0] __sys_sendmsg+0x145/0x1f0 [ 170.265334][ C0] do_syscall_64+0x117/0x590 [ 170.265458][ C0] entry_SYSCALL_64_after_hwframe+0x4b/0x53 [ 170.265606][ C0] irq event stamp: 2028188 [ 170.265734][ C0] hardirqs last enabled at (2028188): [] _raw_spin_unlock_irqrestore+0x53/0x80 [ 170.265972][ C0] hardirqs last disabled at (2028187): [] _raw_spin_lock_irqsave+0x50/0x60 [ 170.266202][ C0] softirqs last enabled at (2027126): [] handle_softirqs+0x611/0x940 [ 170.266410][ C0] softirqs last disabled at (2027131): [] run_ksoftirqd+0x39/0x60 [ 170.266615][ C0] [ 170.266615][ C0] other info that might help us debug this: [ 170.266793][ C0] Possible unsafe locking scenario: [ 170.266793][ C0] [ 170.266965][ C0] CPU0 [ 170.267054][ C0] ---- [ 170.267141][ C0] lock(mirred_list_lock); [ 170.267263][ C0] [ 170.267356][ C0] lock(mirred_list_lock); [ 170.267471][ C0] [ 170.267471][ C0] *** DEADLOCK *** [ 170.267471][ C0] [ 170.267642][ C0] 1 lock held by ksoftirqd/0/14: [ 170.267764][ C0] #0: ffffffff85777c00 (rcu_callback){....}-{0:0}, at: rcu_do_batch+0x389/0x1020 [ 170.267976][ C0] [ 170.267976][ C0] stack backtrace: [ 170.268121][ C0] CPU: 0 UID: 0 PID: 14 Comm: ksoftirqd/0 Not tainted 7.1.0-rc5-virtme #1 PREEMPT(full) [ 170.268126][ C0] Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011 [ 170.268128][ C0] Call Trace: [ 170.268130][ C0] [ 170.268132][ C0] dump_stack_lvl+0x6f/0xa0 [ 170.268139][ C0] print_usage_bug.part.0.cold+0xa9/0xb7 [ 170.268143][ C0] mark_lock_irq+0x4e3/0x9c0 [ 170.268147][ C0] ? kthread+0x367/0x460 [ 170.268151][ C0] ? save_trace+0x68/0x280 [ 170.268153][ C0] ? __lock_acquire+0x508/0xc10 [ 170.268157][ C0] mark_lock+0x1d7/0xa00 [ 170.268159][ C0] mark_usage+0x42/0x170 [ 170.268162][ C0] __lock_acquire+0x378/0xc10 [ 170.268164][ C0] ? rcu_is_watching+0x15/0xd0 [ 170.268169][ C0] lock_acquire.part.0+0xbc/0x260 [ 170.268172][ C0] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 170.268175][ C0] ? rcu_is_watching+0x15/0xd0 [ 170.268178][ C0] ? lock_acquire+0x134/0x160 [ 170.268181][ C0] _raw_spin_lock+0x33/0x40 [ 170.268184][ C0] ? tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 170.268186][ C0] tcf_mirred_release+0x1d/0x2e0 [act_mirred] [ 170.268190][ C0] tcf_action_rcu_free+0x74/0x1a0 [ 170.268193][ C0] ? rcu_do_batch+0x2b4/0x1020 [ 170.268196][ C0] rcu_do_batch+0x2b6/0x1020 [ 170.268200][ C0] ? rcu_is_watching+0x15/0xd0 [ 170.268202][ C0] ? trace_rcu_batch_end+0x330/0x330 [ 170.268205][ C0] ? finish_task_switch.isra.0+0x216/0x990 [ 170.268208][ C0] ? rcu_is_watching+0x15/0xd0 [ 170.268211][ C0] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 170.268214][ C0] ? trace_irq_disable.constprop.0+0x9b/0x180 [ 170.268217][ C0] ? lockdep_hardirqs_on_prepare.part.0+0x9a/0x160 [ 170.268219][ C0] ? lockdep_hardirqs_on+0x8c/0x130 [ 170.268223][ C0] rcu_core+0x2bf/0x640 [ 170.268226][ C0] handle_softirqs+0x1d8/0x940 [ 170.268230][ C0] ? find_held_lock+0x2b/0x80 [ 170.268234][ C0] ? _local_bh_enable+0xd0/0xd0 [ 170.268237][ C0] ? rcu_is_watching+0x15/0xd0 [ 170.268240][ C0] run_ksoftirqd+0x39/0x60 [ 170.268242][ C0] smpboot_thread_fn+0x2fb/0x9b0 [ 170.268251][ C0] ? sort_range+0x20/0x20 [ 170.268253][ C0] kthread+0x367/0x460 [ 170.268255][ C0] ? trace_irq_enable.constprop.0+0x9b/0x180 [ 170.268258][ C0] ? kthread_affine_node+0x330/0x330 [ 170.268261][ C0] ret_from_fork+0x474/0x6b0 [ 170.268265][ C0] ? arch_exit_to_user_mode_prepare.isra.0+0x120/0x120 [ 170.268268][ C0] ? __switch_to+0x5a3/0xe00 [ 170.268272][ C0] ? kthread_affine_node+0x330/0x330 [ 170.268275][ C0] ret_from_fork_asm+0x11/0x20 [ 170.268281][ C0] [ 184.088619][ T58] br1: port 1(lag) entered disabled state [ 189.295973][ T482] br1: port 1(lag) entered blocking state [ 189.296143][ T482] br1: port 1(lag) entered forwarding state [ 189.442299][ T2422] lag: left allmulticast mode [ 189.442421][ T2422] veth2: left allmulticast mode [ 189.442516][ T2422] veth4: left allmulticast mode [ 189.442646][ T2422] br1: port 1(lag) entered disabled state [ 189.443599][ T2422] veth2: left promiscuous mode [ 189.443699][ T2422] veth4: left promiscuous mode [ 189.470314][ T2258] lag: Port device veth4 removed [ 189.471791][ T2258] lag: Port device veth2 removed