OpenGL screen saver problems
I have Mandrake 9.1, and a NVidia GeForce4 ti4200 based video card. After installing linux, I noticed that the screen savers that came with it that use OpenGL (the ones with (GL) next to their title) were running very slow. This was with the default drivers that came with linux. It was obvious that they didn't support acceleration.
So I downloaded the latest linux drivers from NVidia's site, and installed them. The screen savers worked perfectly after that.
Then, the other day, I noticed that all the (GL) screen savers stopped working completely. When they are used, they merely display a black screen. In the KDE Control Center, I can't access the "Setup" for any of them, and the preview is all black.
It seems to me that its a problem with OpenGL in general. I haven't tried any GL-based programs yet, to see if they are affected, because I'm not sure which one's are GL-based.
Any suggestions? It did work at one point...