[Bug 77058] New: Desktop hung for several seconds

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=77058

          Priority: medium
            Bug ID: 77058
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: Desktop hung for several seconds
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: freedesktop-bugzilla at camperquake.de
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: unspecified
         Component: DRM/Intel
           Product: DRI

Created attachment 96909
  --> https://bugs.freedesktop.org/attachment.cgi?id=96909&action=edit
Output from /sys/class/drm/card0/error

Desktop hung for several seconds until recovering on it's own. Message in
dmesg:

[27469.630541] [drm] stuck on render ring
[27469.630549] [drm] stuck on blitter ring
[27469.630561] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[27469.630563] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[27469.630564] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[27469.630565] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[27469.630567] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.

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