I just upgraded X and when I started X with a fresh config. When X starts I see the normal no-wm-yet screen with an unmovable mouse. When I press ctrl+alt+spc I hear 3 beeps followed by a black screen. I tried x11/nvidia-driver and x11-drivers/xf86-video-nv. What should I be trying to fix it? What information do you (I?) need to debug?