FreeBSD 6.1-STABLE: Unexplained power off

[Android Andrew [:]]

Dennis Melentyev wrote:
> Don't take it personally, but could it just power-off the monitor?
> What does show the disk activity led?
:)
No, monitor shows there's no signal...
Disk activity led and power led are off. Keyboard leds are off too. 
There is no network activity, no ping-reply...

> 
> AFAIR, if you have to power-off manually (long pressing power button)
> before power-on, it does will make FS dirty. Instead of real correct
> power-off case.
> 
> Try to make a simple script appending some log/file with timestamps,
> wait untill your issue occurs, then check the time, wait for, say, 5
> more minutes and then cold-start system again.
> 
> I bet, the script will still be logging messages into the file while
> system looks like "sleeping".
Ok, I'll try it.