[Bug 83783] New: [drm:ring_stuck] *ERROR* Kicking stuck semaphore on render ring

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=83783

          Priority: medium
            Bug ID: 83783
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: [drm:ring_stuck] *ERROR* Kicking stuck semaphore on
                    render ring
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: johnmills222 at gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: XOrg CVS
         Component: DRM/Intel
           Product: DRI

Created attachment 106160
  --> https://bugs.freedesktop.org/attachment.cgi?id=106160&action=edit
This is the crash dump mentioned in syslog, a copy of
/sys/class/drm/card0/error

Got this when Alt-`ing from one terminal window to another.
The display froze for 10 or 20 seconds and then came good.
Tailing /var/log/syslog I saw
-------------------------------------------------------
Sep 12 08:42:18 nimbus kernel: [11808.520092] [drm:ring_stuck] *ERROR* Kicking
stuck semaphore on render ring
Sep 12 08:42:18 nimbus kernel: [11808.520096] [drm] GPU crash dump saved to
/sys/class/drm/card0/error
Sep 12 08:42:18 nimbus kernel: [11808.520097] [drm] GPU hangs can indicate a
bug anywhere in the entire gfx stack, including userspace.
Sep 12 08:42:18 nimbus kernel: [11808.520098] [drm] Please file a _new_ bug
report on bugs.freedesktop.org against DRI -> DRM/Intel
Sep 12 08:42:18 nimbus kernel: [11808.520098] [drm] drm/i915 developers can
then reassign to the right component if it's not a kernel issue.
Sep 12 08:42:18 nimbus kernel: [11808.520099] [drm] The gpu crash dump is
required to analyze gpu hangs, so please always attach it.
-----------------------------------------------------------

I'm not on a bleeding-edge build but the message asked me to report, so here it
is.

John Mills

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