Date: Sat, 11 Apr 2009 22:30:15 +0100 From: Chris Rees <utisoft@googlemail.com> To: Ray <ray@stilltech.net> Cc: freebsd-questions@freebsd.org Subject: Re: questions about Fatal Trap 12 Message-ID: <b79ecaef0904111430x6b037a97yda5db2373bae22bf@mail.gmail.com> In-Reply-To: <200904091002.01582.ray@stilltech.net> References: <200904031144.31198.ray@stilltech.net> <200904091002.01582.ray@stilltech.net>
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2009/4/9 Ray <ray@stilltech.net>: > On Friday 03 April 2009 11:44:31 Ray wrote: >> Hello, >> I have received a kernel Trap 12 error several times now and am trying to >> figure it out. >> the error occurred today, and the previous time was about two weeks ago. >> last time I had to run fsck manually if that proves anything. >> >> >> uname -a gives the following: >> >> FreeBSD wserver.********.com 7.0-RELEASE-p3 FreeBSD 7.0-RELEASE-p3 #0: Wed >> Sep 17 13:30:46 MDT 2008 >> root@wserver.*********.com:/usr/obj/usr/src/sys/MOD amd64 >> >> >> Google returns results mostly for versions 4.x and 5.x, but it suggest 2 >> main things: >> test ram, and kernel panic troubleshooting. >> (http://www.freebsd.org/doc/en/books/faq/advanced.html#KERNEL-PANIC- >> TROUBLESHOOTING) >> >> Is there a way to test the ram without removing it from the machine and >> leave the machine functioning. I've used memtest 86 before, but obviously >> the machine has to be offline for this test. >> >> However, I'm a little unsure of the instructions in the handbook on >> troubleshooting. namely, it talks about using the nm command, but I can't >> figure out the data file to give it as an argument, and second I'm unsure >> about using a debugging Kernel on a production server. I have heard that It >> will significantly slow down a machine. >> Any help or suggestions would be greatly appreciated. >> Ray > > Can anybody make any suggestions, or is there a better list to take this > question to? > Ray > Sorry mate, I really don't think you're going to have any luck. Memory testing requires access to parts of memory that the kernel's currently munching on. Run memtest86, or yank a few sticks and run it in another computer. Chris -- A: Because it messes up the order in which people normally read text. Q: Why is top-posting such a bad thing? A: Top-posting. Q: What is the most annoying thing in e-mail?
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