Bug 58762

Summary: [sna] *ERROR* Hangcheck timer elapsed... GPU hung
Product: DRI Reporter: Jiri Slaby <jirislaby>
Component: DRM/IntelAssignee: Intel GFX Bugs mailing list <intel-gfx-bugs>
Status: CLOSED FIXED QA Contact: Intel GFX Bugs mailing list <intel-gfx-bugs>
Severity: normal    
Priority: medium    
Version: XOrg git   
Hardware: Other   
OS: All   
Whiteboard:
i915 platform: i915 features:
Attachments:
Description Flags
i915_error_state
none
xorg.log none

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.

Use of freedesktop.org services, including Bugzilla, is subject to our Code of Conduct. How we collect and use information is described in our Privacy Policy.