[Bug 73208] New: Display corruption after installing driver version 2.99.907

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=73208

          Priority: medium
            Bug ID: 73208
          Assignee: chris at chris-wilson.co.uk
           Summary: Display corruption after installing driver version
                    2.99.907
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: simon.j.munton at gmail.com
          Hardware: x86-64 (AMD64)
            Status: NEW
           Version: unspecified
         Component: Driver/intel
           Product: xorg

Created attachment 91399
  --> https://bugs.freedesktop.org/attachment.cgi?id=91399&action=edit
Screen shot of corruption, desktop effects enabled

After upgrading intel driver from 2.99.906 to 2.99.907, I see corruption in
certain cases, under KDE4.12:
1. With desktop effects enabled, right click on window title bar, popup menu
looks like it has transparent background in places
2. With desktop effects disabled, window title bar has black rectangles, and
right clicking on title bar, the popup menu has black background in places.

I did a git bisect, and commit 
c79cb18407273dc7798618390bd0b7d69b0f80d6 seems to be responsible. Reverting
this commit on 2.99.907 release restores the expected behaviour.

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