From owner-freebsd-stable Fri Dec 17 18:50:40 1999 Delivered-To: freebsd-stable@freebsd.org Received: from mass.cdrom.com (mass.cdrom.com [204.216.28.184]) by hub.freebsd.org (Postfix) with ESMTP id 77F1D14A03 for ; Fri, 17 Dec 1999 18:50:39 -0800 (PST) (envelope-from msmith@mass.cdrom.com) Received: from mass.cdrom.com (localhost [127.0.0.1]) by mass.cdrom.com (8.9.3/8.9.3) with ESMTP id SAA06364; Fri, 17 Dec 1999 18:53:40 -0800 (PST) (envelope-from msmith@mass.cdrom.com) Message-Id: <199912180253.SAA06364@mass.cdrom.com> X-Mailer: exmh version 2.1.1 10/15/1999 To: mi@aldan.algebra.com Cc: stable@freebsd.org Subject: Re: URGENT (?) booting from CD on Atapi In-reply-to: Your message of "Fri, 17 Dec 1999 16:20:37 EST." <199912172120.QAA01726@misha.cisco.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Fri, 17 Dec 1999 18:53:40 -0800 From: Mike Smith Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG > Mike Smith once wrote: > > > > A machine with SCSI disks and an ATAPI CD-ROM (no IDE disks) would > > > not boot from 3.3 CD if the SCSI disks are online. It would say: > > > "Read Error" on the upper left of the screen -- where you'd normally > > > see the spinning dash. I suspect, this is a loader's bug :(, which > > > may make it to 3.4 ... > > > This is a bug in your BIOS, or your configuration of your system. The > > loader is not running at that point; the 'Read Error' message is boot1 > > trying to load boot2 and failing, typically due to a bad value in %dl > > passed by the BIOS. > > Well, I figured, it is not the BIOS, who says "Read Error", but did not > know which part of the boot process :) I was hoping to shed some light > on the problem, that was reported shortly after the 3.3RELEASE, when > some people were and some were not able to boot from their CD-ROMs. May > be this (common?) BIOS' brokennes can be worked around in boot1? No. The 3.3-RELEASE issue (which was also detailed here) was another BIOS bug which prevented the CDROM from being recognised as bootable at all. If your code is never run, you can't 'work around' anything. -- \\ Give a man a fish, and you feed him for a day. \\ Mike Smith \\ Tell him he should learn how to fish himself, \\ msmith@freebsd.org \\ and he'll hate you for a lifetime. \\ msmith@cdrom.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message