Originally Posted by JaXXoN
I recently tried out such a setup: xinerama will work, but you won't have OpenGL.
Means: 2D Applications such as browsers and office will work, but even glxgears
refuses to work.
Ok, maybe that was not clear enough: 2x 7800GTX or 2x 8800GTX are working
fine with OpenGL, but 1x 7800GTX + 1x 8800GTX doesn't: IIRC the xserver
reports that 7xxx series cards are incompatible with 8xxx series cards with
respect to OpenGL (or something like that).