Bug 58762 - [sna] *ERROR* Hangcheck timer elapsed... GPU hung
Summary: [sna] *ERROR* Hangcheck timer elapsed... GPU hung
Status: CLOSED FIXED
Alias: None
Product: DRI
Classification: Unclassified
Component: DRM/Intel (show other bugs)
Version: XOrg git
Hardware: Other All
: medium normal
Assignee: Intel GFX Bugs mailing list
QA Contact: Intel GFX Bugs mailing list
URL:
Whiteboard:
Keywords:
Depends on:
Blocks:
 
Reported: 2012-12-25 20:55 UTC by Jiri Slaby
Modified: 2017-07-24 22:59 UTC (History)
0 users

See Also:
i915 platform:
i915 features:

Attachments
i915_error_state (2.16 MB, text/plain)
2012-12-25 20:55 UTC, Jiri Slaby 		no flags Details
xorg.log (52.07 KB, text/plain)
2012-12-25 20:56 UTC, Jiri Slaby 		no flags Details
View All

Description Jiri Slaby 2012-12-25 20:55:32 UTC 
Created attachment 72117 [details]
i915_error_state

This is with 3.7.1 and SNA driver 2.20.14-15-g37eb734.
Comment 1 Jiri Slaby 2012-12-25 20:56:09 UTC 
Created attachment 72118 [details]
xorg.log
Comment 2 Chris Wilson 2012-12-25 22:33:58 UTC 
Note the BLT ring is executing stale data, so presumably:

commit 9a28977181724ebbd9bdc45291cf29da55a729ee
Author: Jesse Barnes <jbarnes@virtuousgeek.org>
Date:   Fri Oct 26 09:42:42 2012 -0700

    drm/i915: TLB invalidation with MI_FLUSH_DW requires a post-sync op v3
    
    So store into the scratch space of the HWS to make sure the invalidate
    occurs.

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