Bug 99624

Summary: "GPU HANG: ecode 9:0:0x85dfffff, in kwin_x11 [1661], reason: Ring hung, action: reset" randomly when tabbing between windows
Product: Mesa Reporter: Peter Davies <bugs.freedesktop.org>
Component: Drivers/DRI/i965Assignee: yann <yann.argotti>
Status: CLOSED FIXED QA Contact: Intel 3D Bugs Mailing List <intel-3d-bugs>
Severity: normal    
Priority: medium CC: intel-gfx-bugs
Version: unspecified   
Hardware: x86 (IA32)   
OS: Linux (All)   
Whiteboard:
i915 platform: i915 features:
Attachments: gpu crash dump
zip of gpu crash dump
Xorg.0.log
dmesg snippet for gpu hang

Description Peter Davies 2017-02-01 09:27:22 UTC
Created attachment 129268 [details]
gpu crash dump

This happens randomly - usually when I am tabbing between windows using Alt-Tab.

Dist: OpenSUSE Leap 42.2
PC: Lenovo Ideapad 710S

(0)>uname -m
x86_64

(0)>uname -r
4.4.36-8-default

Attaching Xorg.0.log and error dump and dmesg separately.
Comment 1 Peter Davies 2017-02-01 09:31:18 UTC
Created attachment 129269 [details]
zip of gpu crash dump
Comment 2 Peter Davies 2017-02-01 09:32:29 UTC
Created attachment 129270 [details]
Xorg.0.log
Comment 3 Peter Davies 2017-02-01 09:33:09 UTC
Created attachment 129271 [details]
dmesg snippet for gpu hang
Comment 4 Chris Wilson 2017-02-01 09:39:17 UTC
4.4 is very old for skl; recommendation is to update to 4.9 to have the known set of workarounds. Similarly make sure your mesa is uptodate.
Comment 5 Peter Davies 2017-02-01 10:17:56 UTC
Have updated Mesa from 11.2.2 -> 13.0.3
Kernel (I assume that is what skl is) is harder to do so will see if that helps.
Comment 6 Peter Davies 2017-02-02 20:38:22 UTC
Issue has been resolved by the Mesa upgrade.

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