Date: Tue, 25 May 1999 11:59:28 -0700 (PDT) From: Doug White <dwhite@resnet.uoregon.edu> To: Andre Anneck <andre@anneck.de> Cc: freebsd-questions@FreeBSD.ORG Subject: Re: How to investigate upon strange reboot...? Message-ID: <Pine.BSF.4.03.9905251158200.13061-100000@resnet.uoregon.edu> In-Reply-To: <199905242011.WAA14108@bbaer.muenster.de>
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On Mon, 24 May 1999, Andre Anneck wrote: > Hi there, > yesterday night at 01:47 our FreeBSD3.0 release box simply > rebooted. I didnt notice it right away because we have a holiday > here at germany, and thus a few minutes ago was the first time I > looked at the top and was puzzled with the uptime. > > Anyway, the box came up with no problems, only complaining that > / was not properly dismounted. > > And now the question. How can I investigate? It's about impossible at this point, unless there are some funny log messages. It could have been a power spike, memory error, gamma ray ... ? You'd have to have a kernel crashdump to make anything of it. > Where do I have to look, what do I have to set in order to find the > source of that reboot? (Besides checking the Hardware and the > FAN... ;-)... ) If against all odds something like this happens again, > what can I do to enable my box to give me more details about what > is happening... or was happening... ;-) If it happens again, read the Handbook section on kernel debugging. Doug White Internet: dwhite@resnet.uoregon.edu | FreeBSD: The Power to Serve http://gladstone.uoregon.edu/~dwhite | www.freebsd.org To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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