Freebsd - restarting itself?!

[Siegbert Baude]

>
>
>If there was not a clean shutdown, I would start looking for faulty
>hardware, assuming the power was not interrupted.  Any machine that
>spontaniously reboots on its' own usually has a bad power supply, but it
>could be very well be the motherboard, or even something else.  Further,
>as many other people have said, just because the hardware is new does not
>necessarily mean it is problem-free.
>

Look especially for the condensators on the motherboard. There is a 
wide-spread problem with a Taiwanese company having produced bad 
electrolyte. The resulting condensators are found in motherboards of 
nearly all manufacturers and (as I can say out of my own experience) 
give exactly the behaviour, you described.

Ciao
Siegbert