[Paraview] Mesa tests failing

[Kevin H. Hobbs]

I have builds of VTK and ParaView using mesa from the git repository.

These are the builds Linux-gcc-4.3.0-x86_64-mesa from murron on the VTK and 
ParaView dashboards.

Almost all of the mesa tests fail, but what is displayed on the screen  as the 
tests are running looks fine.

The test images look like every other line is pushed farther and farther to 
the right, or like they have vertical rainbow streaks, or speckled...

See:
http://www.cdash.org/CDash/testDetails.php?test=6192138&build=122269

When I render in ParaView everthing looks good but when I saved a screenshot I 
got the rainbow effect.

Does anyone have any idea what's going on?

This computer runs Fedora 9.

The Mesa that VTK and ParaView are built against is built with:

# Update Mesa
cd /home/kevin/mesa
make realclean
git pull origin
make linux-x86-64


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