This bug was fixed in the package mesa - 8.0.2-0ubuntu3.1
---------------
mesa (8.0.2-0ubuntu3.1) precise-proposed; urgency=low
* Add 118_fix_rendering_from_textures.patch: Postpone the setup of the
workaround render target miptree until update_renderbuffer time.
Fixes a GPU hang preceded by corruption which can be triggered using
the Unity 3D application switcher. Cherrypick from the upstream
8.0 (stable) tree.
(LP: #980017)
-- Bryce Harrington <br...@ubuntu.com> Mon, 14 May 2012 10:06:36 -0700
** Changed in: mesa (Ubuntu Precise)
Status: Fix Committed => Fix Released
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https://bugs.launchpad.net/bugs/980017
Title:
[i965gm] GPU lockup render.IPEHR: 0x02000004
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