[Bug 75724] New: [drm] stuck on render ring

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=75724

          Priority: medium
            Bug ID: 75724
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [drm] stuck on render ring
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: major
    Classification: Unclassified
                OS: Linux (All)
          Reporter: nevehanter at gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: XOrg CVS
         Component: DRM/Intel
           Product: DRI

Created attachment 95053
  --> https://bugs.freedesktop.org/attachment.cgi?id=95053&action=edit
/sys/class/drm/card0/error

I recently started to get often this error when trying to run 3D apps/games or
whatever use 3D. I can get out of this video hang using Alt+F4, and when app
window gets closed everything is back to normal. Also this occurs one time by ~
1-8 launches, so it's not always repetitive and it doesn't occur when app is
already running.

I'm using kernel version 3.13.5 with latest git mesa and libgl. GPU is HD4600
from i7-4770K.

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