Bug 96581

Summary: unable to handle kernel paging request in i915_gem_object_retire__read
Product: DRI Reporter: Christoph Haag <haagch>
Component: DRM/IntelAssignee: Intel GFX Bugs mailing list <intel-gfx-bugs>
Status: CLOSED WORKSFORME QA Contact: Intel GFX Bugs mailing list <intel-gfx-bugs>
Severity: normal    
Priority: medium CC: intel-gfx-bugs
Version: DRI git   
Hardware: Other   
OS: All   
Whiteboard:
i915 platform: IVB i915 features: GEM/Other
Attachments:
Description Flags
dmesg none

Description Christoph Haag 2016-06-18 21:41:31 UTC 
Created attachment 124594 [details]
dmesg

00:02.0 VGA compatible controller: Intel Corporation 3rd Gen Core processor Graphics Controller (rev 09)

Linux 4.7-rc3
mesa git with dri3

I have never seen this one before and can very likely not reproduce it at all. Happened while playing warcraft3 in wine for a while.

[354042.944351] BUG: unable to handle kernel paging request at ffff80078fbcb020
[354042.945157] IP: [<ffffffffa011f999>] i915_gem_object_retire__read+0x109/0x260 [i915]
Comment 1 Chris Wilson 2016-08-10 07:34:22 UTC 
Retirement is updated (4.9), but I can't explain the original failure.

commit fa545cbf9765914da302beb74d68cfd8f21b3843
Author: Chris Wilson <chris@chris-wilson.co.uk>
Date:   Thu Aug 4 07:52:35 2016 +0100

    drm/i915: Refactor activity tracking for requests

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