From owner-freebsd-questions@FreeBSD.ORG Sat Apr 11 21:30:31 2009 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 946AB1065719 for ; Sat, 11 Apr 2009 21:30:31 +0000 (UTC) (envelope-from utisoft@googlemail.com) Received: from mail-ew0-f171.google.com (mail-ew0-f171.google.com [209.85.219.171]) by mx1.freebsd.org (Postfix) with ESMTP id 278DA8FC20 for ; Sat, 11 Apr 2009 21:30:30 +0000 (UTC) (envelope-from utisoft@googlemail.com) Received: by ewy19 with SMTP id 19so1508350ewy.43 for ; Sat, 11 Apr 2009 14:30:30 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=googlemail.com; s=gamma; h=domainkey-signature:mime-version:received:reply-to:in-reply-to :references:from:date:message-id:subject:to:cc:content-type :content-transfer-encoding; bh=QgeQr00TE3QpaK7IMvwrvsI7QYoVIBA6ABj6w96TNQo=; b=IbNg/7zQN/aBFCHO2joosqHTkwX9gDlIoivaJh/7hGSDlmX4ZGeLqxykhX4vVgpP+Z TaGiKajicmOarY1qy/Yj+v2PpJjy3IUmf3jiEyG5LxU5npiQedMapMdilyfS1mR+xokc b44RuRgl2l2Tcq8n4P3Y83nbcUYLyYxif/CXg= DomainKey-Signature: a=rsa-sha1; c=nofws; d=googlemail.com; s=gamma; h=mime-version:reply-to:in-reply-to:references:from:date:message-id :subject:to:cc:content-type:content-transfer-encoding; b=dcku561mkXUfQAokuDRDvhmnAYfEdIU/NPYkuVkLX4IAp9q6PqlNftKJs2gTgG1Nye 8ftPv5lyz4kEsqNLIl3TmKhq3QupTNEDiigpSm069ZKjEPjH4AeqTUX/m9tp9yDwCLma lBzeovtVav5/OvkWn9TpgKOeJeqREPbbV5RUI= MIME-Version: 1.0 Received: by 10.210.128.5 with SMTP id a5mr2231584ebd.76.1239485430150; Sat, 11 Apr 2009 14:30:30 -0700 (PDT) In-Reply-To: <200904091002.01582.ray@stilltech.net> References: <200904031144.31198.ray@stilltech.net> <200904091002.01582.ray@stilltech.net> From: Chris Rees Date: Sat, 11 Apr 2009 22:30:15 +0100 Message-ID: To: Ray Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Cc: freebsd-questions@freebsd.org Subject: Re: questions about Fatal Trap 12 X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: utisoft@gmail.com List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 11 Apr 2009 21:30:32 -0000 2009/4/9 Ray : > 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?