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[Brad Figg <brad.figg@xxxxxxxxxxxxx>]

This bug is awaiting verification that the kernel in -proposed solves
the problem. Please test the kernel and update this bug with the
results. If the problem is solved, change the tag 'verification-needed-
trusty' to 'verification-done-trusty'.

If verification is not done by 5 working days from today, this fix will
be dropped from the source code, and this bug will be closed.

See https://wiki.ubuntu.com/Testing/EnableProposed for documentation how
to enable and use -proposed. Thank you!


** Tags added: verification-needed-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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