[Bug 84615] New: GPU hang on Intel P3000 (Xeon E3 V1) on first X startup

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=84615

            Bug ID: 84615
           Summary: GPU hang on Intel P3000 (Xeon E3 V1) on first X
                    startup
           Product: DRI
           Version: unspecified
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Intel
          Assignee: intel-gfx-bugs at lists.freedesktop.org
          Reporter: mauorrizze at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 107241
  --> https://bugs.freedesktop.org/attachment.cgi?id=107241&action=edit
GPU hang crash dump after X startup from /sys/class/drm/card0/error

When I start X, dmesg throws an GPU ring hang / reset message, similar to
#76368. But it isn't fixed for me and setting i915.enable_ppgtt=0 changes
nothing.
When starting, Awesome WM draws its menus with a little delay and not
correctly, a quick restart solves this. Starting gnome 3, there's a longer
delay (~5-8 sec), showing only a black screen but after that it starts (or
restarts?) normally.
Used kernels: Arch Linux default 3.16 and mainline 3.17-rc6.

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