From owner-freebsd-current@FreeBSD.ORG Wed Mar 24 15:42:38 2004 Return-Path: Delivered-To: freebsd-current@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id A509E16A4CE for ; Wed, 24 Mar 2004 15:42:38 -0800 (PST) Received: from cmsrelay02.mx.net (cmsrelay02.mx.net [165.212.11.111]) by mx1.FreeBSD.org (Postfix) with SMTP id 7F05643D41 for ; Wed, 24 Mar 2004 15:42:38 -0800 (PST) (envelope-from noackjr@alumni.rice.edu) Received: from uadvg130.cms.usa.net (165.212.11.130) by cmsoutbound.mx.net with SMTP; 24 Mar 2004 23:42:38 -0000 Received: from optimator.noacks.org [65.69.2.38] by uadvg130.cms.usa.net (ASMTP/noackjr@usa.net) via mtad (C8.MAIN.3.13N) with ESMTP id 261icXXQj0367M30; Wed, 24 Mar 2004 23:42:35 GMT X-USANET-Auth: 65.69.2.38 AUTH noackjr@usa.net optimator.noacks.org Received: from localhost (localhost [127.0.0.1]) by optimator.noacks.org (Postfix) with ESMTP id 3EDE46103; Wed, 24 Mar 2004 17:42:35 -0600 (CST) Received: from optimator.noacks.org ([127.0.0.1]) by localhost (optimator.noacks.org [127.0.0.1]) (amavisd-new, port 10024) with LMTP id 88605-09; Wed, 24 Mar 2004 17:42:34 -0600 (CST) Received: from alumni.rice.edu (optimator [192.168.1.11]) by optimator.noacks.org (Postfix) with ESMTP id 0557760FC; Wed, 24 Mar 2004 17:42:34 -0600 (CST) Message-ID: <40621CE9.6030204@alumni.rice.edu> Date: Wed, 24 Mar 2004 17:42:33 -0600 From: Jon Noack User-Agent: Mozilla Thunderbird 0.5+ (Windows/20040312) X-Accept-Language: en-us, en MIME-Version: 1.0 To: Nicolai E M Plum References: <16482.3506.550989.340221@amonsul.esperi.net> In-Reply-To: <16482.3506.550989.340221@amonsul.esperi.net> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Virus-Scanned: by amavisd-new at noacks.org cc: freebsd-current@freebsd.org Subject: Re: 5.2.1 boot fails; "Could not find Primary Volume Descriptor" X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: noackjr@alumni.rice.edu List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 24 Mar 2004 23:42:38 -0000 On 3/24/2004 4:37 PM, Nicolai E M Plum wrote: > Hi > > I am having problems booting FreeBSD 5.2.1-RELEASE on a system I > have. Booting from CD gives me: > > ---- > [other messages from the BIOS] > CD Loader 1.01 > > Building the boot loader arguments > Read Error: 0x01 > Could not find Primary Volume Descriptor > ---- > > Booting from floppies works OK. > > The same happens when trying to boot a CD of 5.1-RC1 that I happen to > still have around. 4.9-RELEASE boots fine from CD. > > Hardware is an older Dell Pentium Pro system, with a Samsung SM-532 > DVD-ROM CD-RW drive. > > Any ideas why this happens? I've worked around it, but it's a bit > awkward. I can't find any details of why it happens in searching mailing > lists. The 5.x bootable install CDs no longer use floppy-emulation mode. The change was made because some newer machines do not support this emulation mode. However, older machines may not be able to boot CDs in "native" (non-emulation) mode. We can't support everybody, so we support the new machines. In many cases a BIOS update will fix this, so you might check for that. Jon