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[Tim Gardner <tim.gardner@xxxxxxxxxxxxx>]

** Also affects: linux (Ubuntu Utopic)
   Importance: Undecided
       Status: Incomplete

** Also affects: linux (Ubuntu Trusty)
   Importance: Undecided
       Status: New

** Changed in: linux (Ubuntu Utopic)
       Status: Incomplete => In Progress

** Changed in: linux (Ubuntu Utopic)
     Assignee: (unassigned) => Tim Gardner (timg-tpi)

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

** Changed in: linux (Ubuntu Trusty)
     Assignee: (unassigned) => Stefan Bader (smb)

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https://bugs.launchpad.net/bugs/1368724

Title:
  Xen guests may hang after migration or suspend/resume

Status in “linux” package in Ubuntu:
  In Progress
Status in “linux” source package in Trusty:
  Triaged
Status in “linux” source package in Utopic:
  In Progress

Bug description:
  Xen guests may hang during resume after a migration or suspend.  The
  predominately affects HVM guests.

  The following upstream commits (tagged for stable) fix the hangs.

  "x86/xen: resume timer irqs early"
  https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=8d5999df35314607c38fbd6bdd709e25c3a4eeab

  and

  "xen/manage: Always freeze/thaw processes when suspend/resuming"
  https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=61a734d305e16944b42730ef582a7171dc733321

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