[pkg-nvidia-devel] Bug#566874: nvidia-kernel-source: Multiple video cards + Xinerama + vga_arbitor, makes X unusable with kernel 2.6.32

[Philip Moseley]

I had a similar problem as well with 195.36.24.  Applying this patch 
from Ubuntu fixed the issue for me:
https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers/+bug/548362
(See comment #42)