[Bug 109792] New: Sporadic graphics hangs i915

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=109792

            Bug ID: 109792
           Summary: Sporadic graphics hangs i915
           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: amrathil at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 143492
  --> https://bugs.freedesktop.org/attachment.cgi?id=143492&action=edit
The gpu crash dump

>From time to time, (once every couple hours approximately), the graphics system
hangs for a few seconds, then returns to normal.

The output from dmesg at the time is:
[feb27 19:52] [drm] GPU HANG: ecode 7:0:0x85dffffc, in kwin_x11 [3775], reason:
hang on rcs0, action: reset
[  +0,000002] [drm] GPU hangs can indicate a bug anywhere in the entire gfx
stack, including userspace.
[  +0,000000] [drm] Please file a _new_ bug report on bugs.freedesktop.org
against DRI -> DRM/Intel
[  +0,000000] [drm] drm/i915 developers can then reassign to the right
component if it's not a kernel issue.
[  +0,000001] [drm] The gpu crash dump is required to analyze gpu hangs, so
please always attach it.
[  +0,000001] [drm] GPU crash dump saved to /sys/class/drm/card0/error
[  +0,000043] i915 0000:00:02.0: Resetting chip for hang on rcs0




Thanks a lot.

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