Fixed
Created: Jul 23, 2015
Updated: Sep 8, 2018
Resolved Date: Apr 11, 2016
Found In Version: 7.0
Fix Version: 7.0.0.10,7.0.0.9
Severity: Standard
Applicable for: Wind River Linux 7
Component/s: Kernel
root@xxxx-EP-Ivy-Refresh-1:~# igb 0000:09:00.0: Detected Tx Unit Hang
Tx Queue <1>
TDH <1a>
TDT <1a>
next_to_use <1d>
next_to_clean <1a>
buffer_info[next_to_clean]
time_stamp <ffffeb7d>
next_to_watch <ffff88103ee711c0>
jiffies <fffff324>
desc.status <0>
igb 0000:09:00.0: Detected Tx Unit Hang
Tx Queue <1>
TDH <1a>
TDT <1a>
next_to_use <1d>
next_to_clean <1a>
buffer_info[next_to_clean]
time_stamp <ffffeb7d>
next_to_watch <ffff88103ee711c0>
jiffies <fffffaf4>
desc.status <0>
igb 0000:09:00.0: Detected Tx Unit Hang
Tx Queue <1>
TDH <1a>
TDT <1a>
next_to_use <1d>
next_to_clean <1a>
buffer_info[next_to_clean]
time_stamp <ffffeb7d>
next_to_watch <ffff88103ee711c0>
jiffies <1000002c4>
desc.status <0>
igb 0000:09:00.0: Detected Tx Unit Hang
Tx Queue <1>
TDH <1a>
TDT <1a>
next_to_use <1d>------------[ cut here ]------------
WARNING: CPU: 0 PID: 0 at /WRL7/build_dir/userspace/GIT_201507/lxbuilds/Canoe-Pass-Ivy-Refresh_platform_up/intel-x86-64-standard-glibc-std/wrlinux/bitbake_build/tmp/work-shared/intel-x86-64/kernel-source/net/sched/sch_generic.c:264 dev_watchdog+0x259/0x270()
NETDEV WATCHDOG: eth0 (igb): transmit queue 1 timed out
Modules linked in: x86_pkg_temp_thermal intel_powerclamp coretemp crct10dif_pclmul crct10dif_common aesni_intel aes_x86_64 glue_helper lrw gf128mul ablk_helper cryptd iTCO_wdt sb_edac iTCO_vendor_support ipmi_si edac_core i2c_i801 lpc_ich ipmi_msghandler nfsd fuse
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 3.14.29ltsi-WR7.0.0.0_standard #2
Hardware name: Intel Corporation S2600CP/S2600CP, BIOS RMLSDP.86I.R4.26.D674.1304190022 04/19/2013
0000000000000009 ffff88081f603da0 ffffffff81ab9bb8 ffff88081f603de8
ffff88081f603dd8 ffffffff8104c64d 0000000000000001 ffff880812f6d940
0000000000000000 ffff880813efc000 0000000000000008 ffff88081f603e38
Call Trace:
<IRQ> [<ffffffff81ab9bb8>] dump_stack+0x4e/0x7a
[<ffffffff8104c64d>] warn_slowpath_common+0x7d/0xa0
[<ffffffff8104c6bc>] warn_slowpath_fmt+0x4c/0x50
[<ffffffff81ac09c7>] ? _raw_spin_unlock+0x17/0x30
[<ffffffff81998659>] dev_watchdog+0x259/0x270
[<ffffffff81998400>] ? dev_graft_qdisc+0x80/0x80
[<ffffffff810594cb>] call_timer_fn+0x3b/0x170
[<ffffffff81998400>] ? dev_graft_qdisc+0x80/0x80
[<ffffffff81059d64>] run_timer_softirq+0x1c4/0x2d0
[<ffffffff81051557>] __do_softirq+0xb7/0x2e0
[<ffffffff810518be>] irq_exit+0x7e/0xa0
[<ffffffff81acae74>] smp_apic_timer_interrupt+0x44/0x50
[<ffffffff81ac9c4a>] apic_timer_interrupt+0x6a/0x70
<EOI> [<ffffffff81880706>] ? cpuidle_enter_state+0x46/0xb0
[<ffffffff8188082c>] cpuidle_idle_call+0xbc/0x250
[<ffffffff8100cdce>] arch_cpu_idle+0xe/0x20
[<ffffffff810a2bb5>] cpu_startup_entry+0x185/0x290
[<ffffffff81ab4424>] rest_init+0x84/0x90
[<ffffffff82333d50>] start_kernel+0x3d6/0x3e3
[<ffffffff82333495>] x86_64_start_reservations+0x2a/0x2c
[<ffffffff8233358e>] x86_64_start_kernel+0xf7/0xfa
---[ end trace 57ad9eaf9dd80dc2 ]---
igb 0000:09:00.0 eth0: Reset adapter
igb: eth0 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX/TX
igb 0000:09:00.0: Detected Tx Unit Hang
next_to_clean <1a>
buffer_info[next_to_clean]
time_stamp <ffffeb7d>
next_to_watch <ffff88103ee711c0>
jiffies <100000a94>
desc.status <0>
1) --enable-board=intel-x86-64 --enable-rootfs=glibc-std --enable-kernel=standard
2) enable igb kernel option
CONFIG_IGB=y
CONFIG_IGBVF=y
CONFIG_IXGB=y
CONFIG_IXGBE=y
CONFIG_IXGBEVF=y
3) build project
4) boot the target
5) ssh to target on remote host and the error info will output from console
