[Bug 90342] New: GPU hang "stuck on render ring" after resume on broadwell

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=90342

            Bug ID: 90342
           Summary: GPU hang "stuck on render ring" after resume on
                    broadwell
           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: cgrundman at gmail.com
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
                CC: intel-gfx-bugs at lists.freedesktop.org

Created attachment 115596
  --> https://bugs.freedesktop.org/attachment.cgi?id=115596&action=edit
drm error file

I installed 2.99.917 of the intel driver on an otherwise stock debian 8.0
system (3.16 kernel). 

Now, whenever I resume the system after suspend (or hibernate), X refreshes the
screen, and then seems to be unable to draw anything. a gpu hang is found in
dmesg. I can vt switch in and out of X, and the console works, but X never
recovers.

If I run the debian experimental 4.0 kernel, this does not happen (but I do
have VT switching and non-video issues).

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