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Message #133599
[Bug 1492146] Re: igb Detected Tx Unit Hang
Same problem here with
Dell Inc. PowerEdge R730/0H21J3, BIOS 1.2.10 03/09/2015
and
Ethernet controller: Intel Corporation I350 Gigabit Network Connection (rev 01)
Renders the machine useless.
Kernel 3.16.0-43 is OK
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https://bugs.launchpad.net/bugs/1492146
Title:
igb Detected Tx Unit Hang
Status in linux-lts-utopic package in Ubuntu:
Confirmed
Bug description:
Hello!
Have a:
>lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 14.04.3 LTS
Release: 14.04
Codename: trusty
with kenel 3.16.0-46-generic.
Today i do dist-upgrade and kernel was upgraded to 3.16.0-48-generic
version.
After reboot i've got this:
Sep 4 09:02:52 mail kernel: [ 310.616324] igb 0000:02:00.0 em1: Reset adapter Sep 4 09:02:52 mail kernel: [ 310.831157] igb 0000:02:00.1 em2: Reset adapter Sep 4 09:02:56 mail kernel: [ 315.154686] igb 0000:02:00.0 em1: igb: em1 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX Sep 4 09:02:56 mail kernel: [ 315.202651] igb 0000:02:00.1 em2: igb: em2 NIC Link is Up 1000 Mbps Full Duplex, Flow Control: RX Sep 4 09:03:02 mail kernel: [ 321.608099] igb 0000:02:00.0: Detected Tx Unit Hang
Sep 4 09:03:02 mail kernel: [ 321.608099] Tx Queue <6>
Sep 4 09:03:02 mail kernel: [ 321.608099] TDH <23>
Sep 4 09:03:02 mail kernel: [ 321.608099] TDT <23>
Sep 4 09:03:02 mail kernel: [ 321.608099] next_to_use <25>
Sep 4 09:03:02 mail kernel: [ 321.608099] next_to_clean <23>
Sep 4 09:03:02 mail kernel: [ 321.608099] buffer_info[next_to_clean]
Sep 4 09:03:02 mail kernel: [ 321.608099] time_stamp <1000012af>
Sep 4 09:03:02 mail kernel: [ 321.608099] next_to_watch <ffff880272571240>
Sep 4 09:03:02 mail kernel: [ 321.608099] jiffies <100001531>
Sep 4 09:03:02 mail kernel: [ 321.608099] desc.status <120200>
Sep 4 09:03:04 mail kernel: [ 323.607349] igb 0000:02:00.0: Detected Tx Unit Hang
Sep 4 09:03:04 mail kernel: [ 323.607349] Tx Queue <6>
Sep 4 09:03:04 mail kernel: [ 323.607349] TDH <23>
Sep 4 09:03:04 mail kernel: [ 323.607349] TDT <23>
Sep 4 09:03:04 mail kernel: [ 323.607349] next_to_use <25>
Sep 4 09:03:04 mail kernel: [ 323.607349] next_to_clean <23>
Sep 4 09:03:04 mail kernel: [ 323.607349] buffer_info[next_to_clean]
Sep 4 09:03:04 mail kernel: [ 323.607349] time_stamp <1000012af>
Sep 4 09:03:04 mail kernel: [ 323.607349] next_to_watch <ffff880272571240>
Sep 4 09:03:04 mail kernel: [ 323.607349] jiffies <100001725>
Sep 4 09:03:04 mail kernel: [ 323.607349] desc.status <120200>
Sep 4 09:03:06 mail kernel: [ 325.606602] igb 0000:02:00.0: Detected Tx Unit Hang
Sep 4 09:03:06 mail kernel: [ 325.606602] Tx Queue <6>
Sep 4 09:03:06 mail kernel: [ 325.606602] TDH <23>
Sep 4 09:03:06 mail kernel: [ 325.606602] TDT <23>
Sep 4 09:03:06 mail kernel: [ 325.606602] next_to_use <25>
Sep 4 09:03:06 mail kernel: [ 325.606602] next_to_clean <23>
Sep 4 09:03:06 mail kernel: [ 325.606602] buffer_info[next_to_clean]
Sep 4 09:03:06 mail kernel: [ 325.606602] time_stamp <1000012af>
Sep 4 09:03:06 mail kernel: [ 325.606602] next_to_watch <ffff880272571240>
Sep 4 09:03:06 mail kernel: [ 325.606602] jiffies <100001919>
Sep 4 09:03:06 mail kernel: [ 325.606602] desc.status <120200>
All network connections droped after that. System still unusable.
Only after boot with old linux-image-3.16.0-46-generic my production
mail server can work.
It's a critical bug for me, can anybody help me?
ethtool -i em1
driver: igb
version: 5.2.13-k
firmware-version: 1.61, 0x80000cd5, 1.949.0
bus-info: 0000:02:00.0
supports-statistics: yes
supports-test: yes
supports-eeprom-access: yes
supports-register-dump: yes
supports-priv-flags: no
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References