[Bug 73644] New: i915/intel_display.c crashes on GM965 integrated graphics in version xf86_video_intel 2.99.907

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=73644

          Priority: medium
            Bug ID: 73644
                CC: intel-gfx-bugs at lists.freedesktop.org
          Assignee: intel-gfx-bugs at lists.freedesktop.org
           Summary: i915/intel_display.c crashes on GM965 integrated
                    graphics in version xf86_video_intel 2.99.907
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: major
    Classification: Unclassified
                OS: Linux (All)
          Reporter: d.r.vanrossum at gmx.de
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: XOrg CVS
         Component: DRM/Intel
           Product: DRI

Created attachment 92111
  --> https://bugs.freedesktop.org/attachment.cgi?id=92111&action=edit
Kernel log showing the backtrace of i915 driver crash

After some random time in X the display turns black and can not be brought
back.  Only after putting the machine to sleep and back on restores the
display.

The problem seems to occur when switching workspaces.  Not sure if this is
always the case, though.

Reverting back to driver version xf86_video_intel 2.21.15 resolves the problem.

See also this bug report:
https://bugs.archlinux.org/task/38518

The kernel log including backtrace is attached.

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