[Bug 94798] New: Freezing / GPU hang when scrolling on Dell XPS 13 4350 with Ubuntu 16.04 beta 2

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=94798

            Bug ID: 94798
           Summary: Freezing / GPU hang when scrolling on Dell XPS 13 4350
                    with Ubuntu 16.04 beta 2
           Product: DRI
           Version: unspecified
          Hardware: x86-64 (AMD64)
                OS: Linux (All)
            Status: NEW
          Severity: major
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: spamjglewis at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 122678
  --> https://bugs.freedesktop.org/attachment.cgi?id=122678&action=edit
GPU crash dump

Running Ubuntu 16.04 beta 2 (kernel 4.4.0-16-generic) I experience frequent GPU
hangs, this appears to happen when e.g. scrolling a Firefox or terminal window.
Sometimes the system recovers and I can see the GPU hang message (attached),
sometimes the system locks up completely and needs a hard reset.

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