[Bug 95267] New: GPU HANG: ecode 9:0:0x86dfbff9 in chromium [1493], reason: Ring hung, action: reset

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=95267

            Bug ID: 95267
           Summary: GPU HANG: ecode 9:0:0x86dfbff9 in chromium [1493],
                    reason: Ring hung, action: reset
           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: dfoxfranke at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 123466
  --> https://bugs.freedesktop.org/attachment.cgi?id=123466&action=edit
/sys/class/drm/card0/error

On my new Dell XPS 13 Developer Edition, i7-6560U (stepping 3) chipset, I get
frequent hangs (usually within the first minute) in almost any application that
utilizes OpenGL, notably including chromium until I disable hardware
acceleration. I'm running the latest NixOS, with the kernel switched to
4.6.0-rc4 in order to get the fix for bug #94102. Error and dmesg dumps
attached.

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