[Bug 92319] New: Screen flashes, but eventual "Blue Screen"

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=92319

            Bug ID: 92319
           Summary: Screen flashes, but eventual "Blue Screen"
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: critical
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: ianh at brownpapertickets.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

We have many Dell Optiplex 380/390 which have run CentOS 6.5 happily for years.
 We upgraded some to CentOS 7 and have intermittent screen flashing and
occasional blue screen (not like Windows, the screen just goes shades of blue
and locks up)

Saw this in the log and did it:

Oct  6 11:06:47 seattle154 kernel: [drm] GPU HANG: ecode -1:0x00000000, reason:
Kicking stuck semaphore on render ring, action: continue
Oct  6 11:06:47 seattle154 kernel: [drm] GPU hangs can indicate a bug anywhere
in the entire gfx stack, including userspace.
Oct  6 11:06:47 seattle154 kernel: [drm] Please file a _new_ bug report on
bugs.freedesktop.org against DRI -> DRM/Intel
Oct  6 11:06:47 seattle154 kernel: [drm] drm/i915 developers can then reassign
to the right component if it's not a kernel issue.
Oct  6 11:06:47 seattle154 kernel: [drm] The gpu crash dump is required to
analyze gpu hangs, so please always attach it.
Oct  6 11:06:47 seattle154 kernel: [drm] GPU crash dump saved to
/sys/class/drm/card0/error

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