From owner-freebsd-stable@FreeBSD.ORG Mon Apr 23 13:00:24 2007 Return-Path: X-Original-To: stable@freebsd.org Delivered-To: freebsd-stable@FreeBSD.ORG Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 687E816A403 for ; Mon, 23 Apr 2007 13:00:24 +0000 (UTC) (envelope-from tom@tomjudge.com) Received: from s200aog11.obsmtp.com (s200aog11.obsmtp.com [207.126.144.125]) by mx1.freebsd.org (Postfix) with SMTP id F289613C46A for ; Mon, 23 Apr 2007 12:58:12 +0000 (UTC) (envelope-from tom@tomjudge.com) Received: from source ([217.206.187.79]) by eu1sys200aob011.postini.com ([207.126.147.11]) with SMTP; Mon, 23 Apr 2007 12:58:11 UTC Received: from [192.168.172.10] (10-172-168-192.albert.vpn.mintel.co.uk [192.168.172.10]) by albert.mintel.co.uk (Postfix) with ESMTP id 2CA5E33C68; Mon, 23 Apr 2007 13:27:27 +0100 (BST) Message-ID: <462CA62F.9060306@tomjudge.com> Date: Mon, 23 Apr 2007 13:27:27 +0100 From: Tom Judge User-Agent: Thunderbird 1.5.0.10 (X11/20070328) MIME-Version: 1.0 To: Kai References: <20070411105332.GC7847@xs4all.nl> <20070419123329.GA10189@xs4all.nl> <14989d6e0704190714p5250d1ddv8dde92d4aec14922@mail.gmail.com> <20070423121514.GB20155@xs4all.nl> In-Reply-To: <20070423121514.GB20155@xs4all.nl> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: stable@freebsd.org, Christian Walther Subject: Re: Fatal trap 12: page fault while in kernel mode X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 23 Apr 2007 13:00:24 -0000 Kai wrote: > On Thu, Apr 19, 2007 at 04:14:23PM +0200, Christian Walther wrote: > >> On 19/04/07, Kai wrote: >> >>> On Wed, Apr 11, 2007 at 12:53:32PM +0200, Kai wrote: >>> >>>> Hello all, >>>> >>>> We're running into regular panics on our webserver after upgrading >>>> from 4.x to 6.2-stable: >>>> >>> Hi Again, >>> >>> The panics keep happening, so I'm trying alternate kernel setups. This is a >>> trace of a panic on a default SMP kernel with debugging symbols. >>> >>> I'm At a loss on how to progress at this point, perhaps someone can help me >>> please? >>> >> [snip] >> >>> Fatal trap 12: page fault while in kernel mode >>> cpuid = 0; apic id = 00 >>> fault virtual address = 0x34 >>> fault code = supervisor read, page not present >>> instruction pointer = 0x20:0xc06bdefa >>> stack pointer = 0x28:0xeb9cf938 >>> frame pointer = 0x28:0xeb9cf944 >>> code segment = base 0x0, limit 0xfffff, type 0x1b >>> = DPL 0, pres 1, def32 1, gran 1 >>> processor eflags = interrupt enabled, resume, IOPL = 0 >>> current process = 13577 (perl5.8.8) >>> trap number = 12 >>> panic: page fault >>> >> Is this perl derived from ports? And if so, did you rebuild it after you >> upgraded to 6.2? Or is maybe FreeBSD 4.x binary compatibility missing from >> your kernel? >> > > Hi Chris, > > Thanks for your reply; The upgrade i'm talking about is just a term > describing that we switched from FreeBSD 4.10 to 6.2. Its new hardware; its > hardware on which FreeBSD 4.10 will not run. > So in effect its not an upgrade, though the symptoms did not show on > apache-1.3.37 + nfsmounted homepages under FreeBSD 4.10. > > If perl would be the problem, the OS shouldn't panic IMHO. Perl in this case > is writing a fairly large guestbook file (eg. 2 Mb), and does this through > perls own: > open(BOOK, "+<$file") or die; > > This $file is located on an NFS mounted filesystem. It'll get read and > written. > > The NFS filesystem is mounted with "rw,nosuid,intr,bg,resvport,nfsv3". I > have tried mounting without intr, but panics keep happening. The NFS server > is a Netapp filer. > > This is a production environment, so I can't go updating to the latest > current. > > Kai > Just a me too, however I seem to get these crashes from random applications. See my last post for back traces. Tom