Bug 56933 - Detected a hung GPU, disabling acceleration.
Summary: Detected a hung GPU, disabling acceleration.
Status: RESOLVED DUPLICATE of bug 26345
Alias: None
Product: xorg
Classification: Unclassified
Component: Driver/intel (show other bugs)
Version: 7.7 (2012.06)
Hardware: x86 (IA32) Linux (All)
: medium normal
Assignee: Chris Wilson
QA Contact: Xorg Project Team
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2012-11-09 20:07 UTC by Alfredo Tupone
Modified: 2012-11-09 20:23 UTC (History)
0 users

See Also:
i915 platform:
i915 features:

Attachments
Output of dmesg (140.33 KB, text/plain)
2012-11-09 20:07 UTC, Alfredo Tupone 		no flags Details
i915_error_state (759.56 KB, text/plain)
2012-11-09 20:11 UTC, Alfredo Tupone 		no flags Details
Xorg.0.log (31.98 KB, text/plain)
2012-11-09 20:12 UTC, Alfredo Tupone 		no flags Details
View All

Description Alfredo Tupone 2012-11-09 20:07:00 UTC 
Created attachment 69835 [details]
Output of dmesg

openGL stopped working after GPU hang
Comment 1 Alfredo Tupone 2012-11-09 20:11:18 UTC 
Created attachment 69836 [details]
i915_error_state
Comment 2 Alfredo Tupone 2012-11-09 20:12:13 UTC 
Created attachment 69837 [details]
Xorg.0.log
Comment 3 Alfredo Tupone 2012-11-09 20:14:20 UTC 
Operating System: gentoo
intel driver : xf86-video-intel-2.20.12
X server: xorg-server-1.12.4
Comment 4 Chris Wilson 2012-11-09 20:23:38 UTC 
The indicator here is that IPEHR != *ACTHD, meaning that the GPU is reading stale data and not the batch that was supposedly flushed and coherent.

*** This bug has been marked as a duplicate of bug 26345 ***

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