Date: Wed, 16 Jul 2008 16:43:15 +0200 From: "Michael Grant" <mgrant@grant.org> To: "John Sullivan" <john@basicnets.co.uk> Cc: freebsd-stable@freebsd.org Subject: Re: Fresh 7.0 Install: Fatal Trap 12 panic when put under load Message-ID: <62b856460807160743v3fce951eg1b2bd9e50a35ba1d@mail.gmail.com> In-Reply-To: <A6F1ACCEE35A4BC49FC9DFA561ED1131@emea.hubersuhner.net> References: <854CADB9D95147CAB10BC35887A8E5DC@emea.hubersuhner.net> <20080716031640.7DC744500E@ptavv.es.net> <A6F1ACCEE35A4BC49FC9DFA561ED1131@emea.hubersuhner.net>
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On Wed, Jul 16, 2008 at 10:38 AM, John Sullivan <john@basicnets.co.uk> wrote: > >> Could be memory, but I'd also suggest looking at >> temperatures. I've had overheating systems produce lots of >> such errors. > > Temperature is fine - it never get's that hot here in the UK ;-) Seriously, I put my hand in the box, touched a few heat sync's, it > is not running hot enough to cause a problem. The BIOS reports that all is well with the temperature inside the box of just over 30 > degrees C. > > John > This looks like the same panic I reported yesterday but I'm running 6.3 patch 2. I have seen these crashes on my box since 6.3 pre-release, randomly, but under load. My box is based on a SuperMicro motherboard running Intel Xeon processors. The only commonality is that we're both using Sata drives. John, a question, how is swap set up on your system? I was swapping to a file (a memory disk device /dev/md0). I was doing this because for some reason lost in ancient history, this machine was not set up with a real swap partition. Hence, no crash dump. Last night I repartitioned a second disk, set up a real swap partition and now I'm currently waiting for this to happen again so I can get a crash dump. Michael Grant
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