linux-kernel - 4.12.0: igb: transmit queue 7 timed out

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Message-ID: <000001d30008$6edd4690$4c97d3b0$@lucidpixels.com>
Date:   Tue, 18 Jul 2017 16:57:13 -0400
From:   "Justin Piszcz" <jpiszcz@...idpixels.com>
To:     <linux-kernel@...r.kernel.org>
Subject: 4.12.0: igb: transmit queue 7 timed out

Hello,

Kernel: 4.12.0
Arch: x86_64

What causes this issue?

[199141.434449] NETDEV WATCHDOG: eth1 (igb): transmit queue 7 timed out
[199141.434501] ------------[ cut here ]------------
[199141.434515] WARNING: CPU: 10 PID: 0 at net/sched/sch_generic.c:316
dev_watchdog+0x212/0x220
[199141.434528] CPU: 10 PID: 0 Comm: swapper/10 Not tainted 4.12.0 #3
[199141.434533] Hardware name: Supermicro X9SRL-F/X9SRL-F, BIOS 3.2
01/16/2015
[199141.434539] task: ffff8810385b8180 task.stack: ffffc900000b4000
[199141.434546] RIP: 0010:dev_watchdog+0x212/0x220
[199141.434551] RSP: 0018:ffff88103f483e68 EFLAGS: 00010286
[199141.434558] RAX: 0000000000000037 RBX: 0000000000000007 RCX:
000000000000083f
[199141.434563] RDX: 0000000000000000 RSI: 00000000000000f6 RDI:
000000000000003f
[199141.434569] RBP: ffff88103f483e88 R08: 000000000006a111 R09:
0000000000000487
[199141.434574] R10: 0000000000000082 R11: ffffffff823f49ee R12:
ffff8810348a8000
[199141.434579] R13: 000000000000000a R14: 0000000000000008 R15:
0000000000000082
[199141.434585] FS:  0000000000000000(0000) GS:ffff88103f480000(0000)
knlGS:0000000000000000
[199141.434590] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[199141.434596] CR2: 000029e25c35b000 CR3: 000000000220a000 CR4:
00000000001406e0
[199141.434600] Call Trace:
[199141.434607]  <IRQ>
[199141.434615]  ? qdisc_rcu_free+0x40/0x40
[199141.434625]  call_timer_fn.isra.4+0x19/0x90
[199141.434633]  expire_timers+0x7f/0x90
[199141.434641]  run_timer_softirq+0x84/0xe0
[199141.434650]  ? ktime_get+0x3b/0x90
[199141.434659]  ? clockevents_program_event+0x75/0xf0
[199141.434666]  __do_softirq+0xdf/0x1f0
[199141.434673]  irq_exit+0xab/0xb0
[199141.434681]  smp_trace_apic_timer_interrupt+0x63/0x90
[199141.434688]  smp_apic_timer_interrupt+0x9/0x10
[199141.434696]  apic_timer_interrupt+0x86/0x90
[199141.434705] RIP: 0010:cpuidle_enter_state+0x153/0x1e0
[199141.434711] RSP: 0018:ffffc900000b7e68 EFLAGS: 00000286 ORIG_RAX:
ffffffffffffff10
[199141.434720] RAX: ffff88103f499000 RBX: ffffe8ffffc91fd0 RCX:
000000000000001f
[199141.434725] RDX: 20c49ba5e353f7cf RSI: ffff88103f496818 RDI:
0000000000000000
[199141.434730] RBP: ffffc900000b7e98 R08: 0000000000003f7b R09:
0000000000000018
[199141.434735] R10: ffffc900000b7e48 R11: 00000000000038b6 R12:
0000b51e3a7582f1
[199141.434740] R13: 0000000000000004 R14: ffffffff8225e2b8 R15:
ffffffff8225e120
[199141.434746]  </IRQ>
[199141.434754]  ? cpuidle_enter_state+0x148/0x1e0
[199141.434762]  cpuidle_enter+0x12/0x20
[199141.434771]  call_cpuidle+0x1e/0x30
[199141.434779]  do_idle+0xde/0x180
[199141.434788]  cpu_startup_entry+0x6c/0x70
[199141.434796]  start_secondary+0x13c/0x160
[199141.434808]  secondary_startup_64+0x9f/0x9f
[199141.434813] Code: 8c 24 a4 03 00 00 eb 8d 4c 89 e7 c6 05 ea 96 81 00 01
e8 02 f0 fd ff 89 d9 4c 89 e6 48 c7 c7 f0 49 00 82 48 89 c2 e8 bd 08 6e ff
<0f> ff eb c1 66 2e 0f 1f 84 00 00 00 00 00 48 8b 4e 48 55 44 8b
[199141.434895] ---[ end trace 0bac15bcef84778a ]---
[199141.435208] igb 0000:08:00.2 eth1: Reset adapter
[199144.839995] igb 0000:08:00.2 eth1: igb: eth1 NIC Link is Up 1000 Mbps
Full Duplex, Flow Control: RX/TX

Justin.