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[Timo Aaltonen <tjaalton@xxxxxxxxxx>]

non-issue for utopic which has v3.15 now

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

** Changed in: linux (Ubuntu Trusty)
   Importance: Undecided => High

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

** Changed in: linux (Ubuntu Trusty)
     Assignee: (unassigned) => Timo Aaltonen (tjaalton)

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https://bugs.launchpad.net/bugs/1321729

Title:
  Rebase Broadwell graphics support to v3.15

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

Bug description:
  i915_bdw driver module in the trusty kernel is currently based on
  v3.14+backports, but it has turned out to be insufficient on real
  systems causing system freezes and/or GPU hangs with certain
  workloads. Some issues have been worked around but they trigger other
  bugs, and backporting bisected fixes dind't fix them on this branch.

  Rebasing the driver to v3.15 brings a lot of fixes and a better
  platform for future work.

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