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[Launchpad Bug Tracker <1321729@xxxxxxxxxxxxxxxxxx>]

** Branch linked: lp:ubuntu/precise-proposed/linux-lts-trusty

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

Title:
  Rebase Broadwell graphics support to drm-intel-next-2014-03-07 plus
  fixes

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 the latest tag from i915 upstream that doesn't
  include changes to core drm, plus additional fixes, should provide a
  better driver for the initial broadwell enablement.

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