This bug was fixed in the package mesa - 10.1.3-0ubuntu0.1
---------------
mesa (10.1.3-0ubuntu0.1) trusty; urgency=medium
* Copy package back to trusty.
mesa (10.1.3-0ubuntu1) utopic; urgency=medium
[ Maarten Lankhorst ]
* Merge from unreleased debian-unstable.
[ Timo Aaltonen ]
* fix-gpu-hangs-on-bdw.diff: Upstream commit to fix various GPU hangs
on Broadwell. (LP: #1318589)
mesa (10.1.3-1) UNRELEASED; urgency=medium
* New upstream release.
mesa (10.1.2-1) unstable; urgency=medium
[ Andreas Boll ]
* New upstream release.
+ i965: Don't enable reset notification support on Gen4-5 (Closes: #746557)
mesa (10.1.1-1) unstable; urgency=low
[ Andreas Boll ]
* New upstream release.
* Relax ocl-icd-libopencl1 dependency to allow the generic virtual
libopencl1 as a valid alternative (Closes: #745765).
* Add missing separator between dependency items '${misc:Depends}'
and 'libglapi-mesa (= ${binary:Version})'.
-- Maarten Lankhorst <maarten.lankho...@ubuntu.com> Mon, 12 May 2014
12:11:50 +0200
** Changed in: mesa (Ubuntu Trusty)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/1318589
Title:
[BDW] fix various GPU hang issues
Status in “mesa” package in Ubuntu:
Fix Released
Status in “mesa” source package in Trusty:
Fix Released
Bug description:
Backport an upstream commit that fixes various GPU hang bugs on
Broadwell.
commit 9584959123b0453cf5313722357e3abb9f736aa7
Author: Kenneth Graunke <kenn...@whitecape.org>
Date: Thu May 8 16:44:37 2014 -0700
i965: Fix GPU hangs on Broadwell in shaders with some control flow.
According to the documentation, we need to set the source 0 register
type to IMM for flow control instructions that have both JIP and UIP.
Fixes GPU hangs in approximately 10 Piglit tests, 5 es3conform tests,
Unigine Crypt, a WebGL raytracer demo, and several Steam titles.
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