Created attachment 89606 [details]
After upgrading to Mesa 9.2.3 I still experience hangs in some games (however, they happen less frequent).
[76348.076696] [drm] stuck on render ring
[76348.076705] [drm] stuck on blitter ring
[76348.076707] [drm] capturing error event; look for more information in /sys/class/drm/card0/error
[76467.038855] [drm] stuck on render ring
[76467.038875] [drm] stuck on blitter ring
00:02.0 VGA compatible controller: Intel Corporation 2nd Generation Core Processor Family Integrated Graphics Controller (rev 09)
Based on the IPEHRs of 0x0b160001 and 0x0b140001, this looks like bug #54226, which is a kernel problem. I'm marking this a duplicate.
Unfortunately, there's no solution yet.
*** This bug has been marked as a duplicate of bug 54226 ***