Date: Wed, 4 Jun 2003 11:06:01 -0700 (PDT) From: Don Lewis <truckman@FreeBSD.org> To: bmilekic@unixdaemons.com Cc: noor@comrax.com Subject: Re: Sudden and unexplained reboots Message-ID: <200306041806.h54I61M7013783@gw.catspoiler.org> In-Reply-To: <20030604173247.GA77306@unixdaemons.com>
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On 4 Jun, Bosko Milekic wrote: > > On Wed, Jun 04, 2003 at 08:13:24PM +0200, Noor Dawod wrote: >> Hello, >> >> I'm having a problem in one of the FreeBSD boxes that I manage. All of a >> sudden, and for no particular reason, the machine just reboots abruptly. >> When it loads up again, I cannot see an indication that there's anything >> wrong in the configuration. >> >> By the way, the machine is running like this for few months, and no >> changes were made lately. Machine has 2GB RAM, RAID-5 disk array and a >> Xeon 933Mhz CPU. There's enough space on disk and more free RAM to drive >> 5 desktop computers. >> >> Anyone got an idea how to debug the problem? and better, how to resolve >> and fix it? >> >> Thanks in advance. >> >> /Noor > > Build a kernel with INVARIANTS and DDB options and see if you get > dumped to the console debugger following a trap or panic at some point. > > Also, obviously, make sure that you're not getting any power surges or > anything of the sort; basically anything hardware-related that could > possibly cause a reboot. If you're plugged into a series-connected > outlet, I would advise to try a different outlet. If you're plugged > into a UPS, make sure that the load on it is not too high. I'd also check to make sure that all the fans are operational and something isn't overheating.home | help
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