From owner-freebsd-stable@FreeBSD.ORG Wed Mar 18 19:45:03 2009 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 1E8D71065687 for ; Wed, 18 Mar 2009 19:45:03 +0000 (UTC) (envelope-from danallen46@airwired.net) Received: from mail.utahbroadband.com (mail.utahbroadband.com [204.14.20.91]) by mx1.freebsd.org (Postfix) with ESMTP id D61C58FC1C for ; Wed, 18 Mar 2009 19:45:02 +0000 (UTC) (envelope-from danallen46@airwired.net) Received: (qmail 644 invoked by uid 89); 18 Mar 2009 19:39:45 -0000 Received: from unknown (HELO ?192.168.0.53?) (danallen46@airwired.net@66.29.174.6) by 0 with ESMTPA; 18 Mar 2009 19:39:45 -0000 From: Dan Allen To: FreeBSD-STABLE Mailing List In-Reply-To: <200903181202.40634.jhb@freebsd.org> References: <7381363A-9B55-4A3B-99BF-A05B2F879403@airwired.net> <200903181202.40634.jhb@freebsd.org> Message-Id: <875B312A-89DA-4E32-8505-FAF32670C871@airwired.net> Content-Type: text/plain; charset=US-ASCII; format=flowed; delsp=yes Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (Apple Message framework v930.3) Date: Wed, 18 Mar 2009 13:44:59 -0600 X-Mailer: Apple Mail (2.930.3) Cc: John Baldwin Subject: Re: GCC build causes panic: page already inserted 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: Wed, 18 Mar 2009 19:45:03 -0000 On 18 Mar 2009, at 10:02 AM, John Baldwin wrote: > On Monday 16 March 2009 1:59:25 pm Dan Allen wrote: >> I saw that someone else had this happen last week... It is not a >> hardware failure. >> >> While building the latest GCC 4.4 from /usr/ports/lang/gcc44 I got a >> core dump with the message >> >> vm_page_insert: page already inserted >> >> I build this port every week on a Toshiba laptop (1.8GHz Core 2 >> Duo, 1 >> GB RAM, 160 GB HD, plenty of free space, RELENG_7). I have never >> seen >> this until today. Just before building this port I completely built >> the kernel and world and installed them, so I am as up-to-date as you >> could be. >> >> I suspect recent changes to vm code... perhaps in /usr/src/sys/vm/ >> vm_meter.c or vm_page.c ? >> >> The compressed core dump is 41 MB. > > When I have seen this panic on machines in the past it was caused by > bad RAM > or another hardware problem. Well, I have not been able to reproduce it. I ran builds on two different machines, and everything now works fine. I will keep my eye open for another occurrence, but for now we are at the end of the line on this. At least I am... Thanks to everyone for their help and ideas. Dan