According to this thread:
http://www.nvnews.net/vbulletin/showthread.php?t=27103
You need the glx module, uncomment it.
And in case you run into the second problem:
@heavymetaler: the vmalloc problem is documented in the README, please see
http://us.download.nvidia.com/XFree8...kva_exhaustion.
Hope that helps.
Rusty Nejdl
http://networking.ringofsaturn.com