In article <200403101116.40196.stephen@degler.net>,
	Stephen Degler <stephen@degler.net> writes:
> Thanks for the suggestion, but no luck.  I just pop straight back to
> the bios startup screen, with no output on the serial console.

<WILD GUESS>
Could it be a too weak power supply? High CPU load under X11 (when your
graphic cards is consuming more power) might be just enough to overload
it causing the reset.
</WILD GUESS>

	Kind regards

-- 
Matthias Scheler                                  http://scheler.de/~matthias/