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[Craig Magina <1451593@xxxxxxxxxxxxxxxxxx>]

Verified with a trusty and vivid base.

** Tags removed: verification-needed-vivid
** Tags added: verification-done-vivid

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https://bugs.launchpad.net/bugs/1451593

Title:
  [SRU] Forward port XGene MSI-X driver to vivid

Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Vivid:
  Fix Committed

Bug description:
  [Impact]
  Without the MSI-X driver, network performance on the HP Proliant m400 will be degraded in vivid from what can be achieved in trusty and utopic.

  [Test Case]
  All commands work on the HP Proliant m400:

  'lspci -v' should show 'MSI-X: Enable+' under the Mellanox entry.
  'cat /proc/interrupts' will list 'xgene-msi' next to the eth# and mlx4... entries.

  [Regression Risk]
  This driver is self contained for the xgene1 platform.

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