Public bug reported:
Regression from at least:
linux-image-3.16.0-45-generic=3.16.0-45.60~14.04.1
to:
linux-image-3.16.0-47-generic=3.16.0-47.63~14.04.1
On an Intel Xeon Workstation with an Intel IGB Gigabit Ethernet Adapter,
the network connection is never stable, as the Adapter regularly resets
itself due to multiple Tx Unit Hangs (see attached kernel log)
When booting the old kernel, the system works flawless again.
I can not use "ubuntu-bug linux" because it has no options and wants to
report only for the currently running kernel, which has no network
connection.
For some reason I can only attach one file. I chose to attach the
kern.log - the version.log shows only the currently running kernel, and
I can paste the lspci log later if required.
> lsb_release -rd
Description: Ubuntu 14.04.3 LTS
Release: 14.04
** Affects: linux-lts-utopic (Ubuntu)
Importance: Undecided
Status: New
** Tags: hang igb kernel linux network reset
** Attachment added: "Kernel Log from -47 kernel with network hang issue"
https://bugs.launchpad.net/bugs/1488024/+attachment/4451577/+files/linux-image-3.16.0-47_igb-error_kern.log
** Package changed: linux (Ubuntu) => linux-lts-utopic (Ubuntu)
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https://bugs.launchpad.net/bugs/1488024
Title:
[Regression] From 3.16.0-45 to -47: Intel IGB Tx Unit Hang network
adapter reset problem prevents stable network connection
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