From owner-freebsd-questions@FreeBSD.ORG Tue Jan 29 15:16:51 2008 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 8A1D816A421 for ; Tue, 29 Jan 2008 15:16:51 +0000 (UTC) (envelope-from cotharyus@gmail.com) Received: from rv-out-0910.google.com (rv-out-0910.google.com [209.85.198.188]) by mx1.freebsd.org (Postfix) with ESMTP id C4C4B13C4EF for ; Tue, 29 Jan 2008 15:16:50 +0000 (UTC) (envelope-from cotharyus@gmail.com) Received: by rv-out-0910.google.com with SMTP id l15so2036284rvb.43 for ; Tue, 29 Jan 2008 07:16:50 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:references; bh=X5WQxlvIryax2gorN3ZNXsal/jCdudsY3KxFWyh3Omo=; b=aKy3sA5JJ4JdMiruLybqC79CdD1LEM/tD0+fr1mHP86YRAwmJKwCTkUDHaG3Wq/cCZFwQzWAr2JaSojKiRYkH66K1KWHwOMvMYBFL/IIgUPi4ihF5BsPIRKBGZfHrYx7E00qi+Ya/2leSDR4oJ9lO6m+3hOYnsmZiHPw3iP1Pfs= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:references; b=rotyEf4Sn0WYsWN5JT0X2/Ri+SHrEZXAFn+jjVvKPm9zQm0Sr2aslR1IVuyY1v/jSPmQXXuQtEBiXse/HEiQc7YtkiaOdmlfXY8EYoZTC5/UkvuucMnVP/fggv8V1tZHOazJLST7Fo92ngv7kdFUTolyMBgrpHMTq279nqjfr90= Received: by 10.141.178.5 with SMTP id f5mr4432921rvp.191.1201618197362; Tue, 29 Jan 2008 06:49:57 -0800 (PST) Received: by 10.141.177.15 with HTTP; Tue, 29 Jan 2008 06:49:57 -0800 (PST) Message-ID: <715841970801290649l5fa3c776xc659a2a9a405dc7e@mail.gmail.com> Date: Tue, 29 Jan 2008 08:49:57 -0600 From: Drew To: Mel In-Reply-To: <200801291519.35919.fbsd.questions@rachie.is-a-geek.net> MIME-Version: 1.0 References: <715841970801290404x6555a9abn226018c0eb3c8182@mail.gmail.com> <200801291519.35919.fbsd.questions@rachie.is-a-geek.net> Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: freebsd-questions@freebsd.org Subject: Re: boot panic on 7.0RC1 X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 29 Jan 2008 15:16:51 -0000 On Jan 29, 2008 8:19 AM, Mel wrote: > On Tuesday 29 January 2008 13:04:48 Drew wrote: > > Hello, > > I'm posting this in the hopes that someone can point me in the right > > direction, and that it may possibly help someone else. The kernel panic > > below is generated at boot, and is reproduceable as many times as you > want > > to do it. A few details on the hardware, the machine is a couple of > years > > old, but never displayed any real instability. My only suspect hardware > is > > the hard drive itself, and possibly ram, however seatools and memtest > clear > > them both with flying colors, for what that's worth. The machine is an > > Athlon XP1900+, and I'm still running GENERIC (I usually compile > something > > custom after a machine has been up and going a while, but this was only > > installed this past week) and the machine is under light load at best, > > running natd, apache, mysql and postfix for my home network. One thing I > > will point out is that the power went out yesterday on this machine, and > > while the UPS's normally keep everything up, apparently the power was > out > > for more than 30 minutes because all of my machine's rebooted. When this > > one came back up, it had hosed /var/log, but a good fsck cleared that > up. > > Later it quit working, and I got a brief look at a panic before it > rebooted > > - I know nothing about the first panic other than it was a kernel panic. > > When it rebooted it came back to where it would mount / and stopped, > with > > the infamous mountroot> prompt. I politely advised it that it needed to > > look ufs:ad1s1a and got the following panic - forgive any formating > errors > > on my part - I assure you the information I copied off the screen is > > correct. > > > > Warning: / was not properly dismounted > > > > Fatal Trap 12: page fault while in kernel mode > > cpuid = 0, apic id = 00 > > fault virtual address = 0x188 > > fault code = supervisor read, page not present > > instruction pointer = 0x20 : 0xc0747d14 > > stack pointer = 0x28 : 0xe3391aa0 > > frame pointer = 0x28 : 0xe3391ab8 > > code segment = base 0x0, limit 0xfffff, type 0x1b > > = DPL 0, pres 1, def32 1, gran 1 > > processor flags = interupt enabled, resume, IOPL = 0 > > current process = 1 (swapper) > > trap number = 12 > > panic: page fault > > cpuid = 0 > > uptime: 42s > > > > All of this panic can be reproduced character for character (except the > > uptime, unless you try real hard) time and time again. Any pointers on > what > > might be wrong here? Thanks in advance. > > Taking a wild guess, but looks like the filesystem is screwed, possibly > (current process: swapper) the node that defines the start of the swap > partition. To rule out any filesystem issues, try booting from cd-rom. > If that works, mount ad1s1a from the rescue console (as /mnt for example). > > > -- > Mel > Mel, Thanks for the pointer - I've suspected something similar, but didn't have anything but the install CD available there. I'm going to try a few things with the live cd when I get back home. In spite of 8 years of using FreeBSD, I consider myself a raw newbie at things like this due to the profound lack of problems I have experienced with FreeBSD as a whole. Drew