Utopic kernel also tested in the same manner as the trusty kernel.

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

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https://bugs.launchpad.net/bugs/1382244

Title:
  HP ProLiant m400 nic fails to initialize when booted w/ debug

Status in “linux” package in Ubuntu:
  Fix Committed
Status in “linux” source package in Trusty:
  Fix Committed
Status in “linux” source package in Utopic:
  Fix Committed

Bug description:
  [Impact]
  On the majority of boots, the mlx4 driver will fail to initialize, resulting 
in no network connectivity. This only occurs if debug level
  logging to the serial console is enabled - which is not the default in Ubuntu.

  [Test Case]
  Enable debug logging:
    $ echo 'setenv bootargs "$bootargs debug"' > 
/etc/flash-kernel/ubootenv.d/debug
    $ sudo flash-kernel
  And reboot.

  [Regression Risk]
  The MSI code being modified in question is only used on X-Gene systems, so 
risk to other systems is insignificant. In addition, the code being removed are 
just debug statements that aren't emitted by default today in Ubuntu, so even 
for X-Gene systems it is a minimal risk.

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