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[Brad Figg <brad.figg@xxxxxxxxxxxxx>]

This bug is missing log files that will aid in diagnosing the problem.
>From a terminal window please run:

apport-collect 1322441

and then change the status of the bug to 'Confirmed'.

If, due to the nature of the issue you have encountered, you are unable
to run this command, please add a comment stating that fact and change
the bug status to 'Confirmed'.

This change has been made by an automated script, maintained by the
Ubuntu Kernel Team.

** Changed in: linux (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/1322441

Title:
  Windows guest unstable after random amount of time

Status in “linux” package in Ubuntu:
  Incomplete

Bug description:
  Ubuntu 14.04, all updates done as of 23/5/2014
  Kernel : Linux 3.13.0-24-generic
  Qemu : 1.7.1 and 2.0.0 tested
  Tested using both Xeon 5620 and 5520 processors, 48GB RAM.

  Anywhere from 20 minutes for 3+ hours after booting Windows guests
  become unstable. Guest appear to freeze intermittently (VNC console
  unresponsive, network pings dropped to guest, frozen IO) for 20-60
  seconds at a time which repeats constantly every few minutes and
  guests do not recover unless QEMU is killed and the guest is started
  again. Whilst the guest is frozen CPU usage of the QEMU process jumps
  to 100-150%.

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