[Bug 85194] New: [drm:ring_stuck] Kicking stuck semaphore on render ring

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=85194

            Bug ID: 85194
           Summary: [drm:ring_stuck] Kicking stuck semaphore on render
                    ring
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: fm33 at gmx.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 108055
  --> https://bugs.freedesktop.org/attachment.cgi?id=108055&action=edit
Crash dump

Hello,

Regulary, display freezes for while and sometimes restart, sometimes not.

Messages :

[15687.999007] [drm:ring_stuck] *ERROR* Kicking stuck semaphore on render ring
[15687.999012] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[15687.999013] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[15687.999014] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[15687.999014] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[15687.999015] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.

Ubuntu 14.04 amd64

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