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[Guy Baconniere <1488024@xxxxxxxxxxxxxxxxxx>]

Same bug as https://bugs.launchpad.net/ubuntu/+source/linux-lts-
utopic/+bug/1492146

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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

Status in linux-lts-utopic package in Ubuntu:
  Confirmed

Bug description:
  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

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