diagnosing a reacurring system freeze

[Philip Hallstrom]

> I've been running FreeBSD 6.2 on a computer as a gateway for my (very
> small) local area network. Every two weeks since I've got it up and
> running, it will completely lock up, seemingly randomly.  I would love
> to investigate the root of the problem, but I'm not exactly sure where
> to start. I'm sure there are many files I should be looking at but I
> don't know what they are. Can someone guide me in the right direction?

Start with /var/log/messages and /var/log/console and then just anything 
else in /var/log... look at the entries just before it hangs.. sometimes 
you'll get a clue as to what is causing it to panic...