Comment 65 for bug 96473

A computer with two 256mb of dedicated video memory still displays black windows when a certain threshold of open windows is reached. The threshold varies with the kind of window, i.e. evince with large PDF articles lowers it).

output of lcpci | grep nvidia:

03:00.0 VGA compatible controller: nVidia Corporation GeForce 8700M GT (rev a1)
04:00.0 3D controller: nVidia Corporation GeForce 8700M GT (rev a1)