From owner-freebsd-stable@FreeBSD.ORG  Tue Aug 15 16:59:59 2006
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To: Alexey Karagodov <karagodov@gmail.com>
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Cc: freebsd-stable@freebsd.org
Subject: Re: FreeBSD 6.1-STABLE: Unexplained power off
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Yes, nothing changed.

Problem could be in anything: memory, raid controller, network adapter, 
power supply, bios and so on. But to test it all empirically will take 
too much time. The most annoying thing in this situation is absence of 
any system/kernel messages or reports that could explain something.

Is there any methodology of troubleshooting in similar situations?

Alexey Karagodov wrote:
> you mean "nothing changed" ? :)
> try replace some hardware, memory first
>