[Bug 72819] New: [855GM] Incorrect drop shadow color on windows and strange white rectangle when showing/hiding GLX-dock...

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=72819

          Priority: medium
            Bug ID: 72819
          Assignee: chris at chris-wilson.co.uk
           Summary: [855GM] Incorrect drop shadow color on windows and
                    strange white rectangle when showing/hiding
                    GLX-dock...
        QA Contact: intel-gfx-bugs at lists.freedesktop.org
          Severity: normal
    Classification: Unclassified
                OS: Linux (All)
          Reporter: rkmugen.linux at gmail.com
          Hardware: x86 (IA32)
            Status: NEW
           Version: unspecified
         Component: Driver/intel
           Product: xorg

Hello, I have an 82852/855GM graphics chipset and I'm using Linux Mint 13.

I'm encountering two annoying problems:  The first is when I try to use the
Cinnamon-3d desktop environment, and the second problem involves GLX-dock.

Incorrect (white color) drop shadows drawn underneath windows.  I have detailed
this problem, as well as my system hardware/kernel/driver specifications, as
best as I could in the Linux Mint forum below.  I have also provided a few
screenshots in that thread.:
    *http://forums.linuxmint.com/viewtopic.php?f=208&t=136419

A strange white rectangle, the size of the entire dock appears whenever I
show/hide the GLX-dock (using the OpenGL backend).  For this problem, I've
uploaded a short YouTube video to show exactly what I'm talking about as it
happened.:
    *http://www.youtube.com/watch?v=nD9VV38xA4M

I should point out that whenever I show or hide the GLX-dock, I get this
terminal output:

------
warning : 
(build/buildd/cairo-dock-3.3.99.alpha1.1-20131204~bzr1685/src/implementations/cairo-dock-hiding-effect.c:_pre_render_opengl:53)
  FBO not ready
------

I know/believe the 82852/855GM chipset is at least more than capable of
handling something as simple as a dock and drop shadows.  Is there anything I
can do

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