When moving from the University of Idaho dorms, where I installed FreeBSD
5.2.1, back to my dad's place, my installation got all sorts of crazy,
between DHCP, hostname, and other problems that were I guess part of my
system's configuration. So recently I've been trying to fix them, and get my
Interrupt the loader at the boot prompt by pressing SPACE instead of
ENTER.
Then, run unload to clean up any modules already loaded.
boot: unload
Unset acpi_load in the loader.
boot: unset acpi_load
Load the kernel again.
boot: load kernel
Boot single user.