> This happens to me if I have "serial console" turned on. It seems that once
> the system comes up, the system tries to start a login on the serial console
> or something, even though there is already one running. The solution is
> just to use "boot echo" and enable the /etc/tty00 (or tty01) line in the
> /etc/ttys file.

I'll give this solution a try in a little while and let you know if it
works for me.. <fingers crossed> :)