Nvidia driver

[User Takawata]

In message <1065051659.1040.1.camel at localhost>, Justin Smith wrote:
>MY system:
>FreeBSD jsmith.org 5.1-CURRENT FreeBSD 5.1-CURRENT #0: Wed Oct  1
>13:55:06 EDT 2003     jsmith at jsmith.org:/usr/obj/usr/src/sys/GENERIC 
>i386
>
>
>Whenever I try to use the nividia driver for X windows, my system
>reboots. Any suggestions?

Which chipset do you using? And what your dmesg saying about agp0 ?
I had a problem when I use i845G + GeForceMX400, like you.
This was because kernel recognzie AGP controller as 
agp0: <Intel Generic host to PCI bridge> mem 0xd0000000-0xd3ffffff at device 0.0
so it failed to manipulate.