Originally Posted by gradinaruvasile
Try with the full driver with GLX and see if works that way. If it works, then the problem is that you dont use the full driver... you might as well use nv or nouveau if you disable glx...
BTW glxgears uses opengl for rendering.
Like I said I don't use any opengl apps. The nv driver doesn't do video scaling so video look bad with it. The nouveau driver can't do duallink DVI well yet.