From owner-freebsd-stable Fri Dec 17 13:20:44 1999 Delivered-To: freebsd-stable@freebsd.org Received: from misha.cisco.com (misha.cisco.com [171.69.206.50]) by hub.freebsd.org (Postfix) with ESMTP id B0F5814FBC; Fri, 17 Dec 1999 13:20:39 -0800 (PST) (envelope-from mi@misha.cisco.com) Received: (from mi@localhost) by misha.cisco.com (8.9.3/8.9.1) id QAA01726; Fri, 17 Dec 1999 16:20:37 -0500 (EST) (envelope-from mi) Message-Id: <199912172120.QAA01726@misha.cisco.com> Subject: Re: URGENT (?) booting from CD on Atapi In-Reply-To: <199912172051.MAA01425@mass.cdrom.com> from Mike Smith at "Dec 17, 1999 12:51:18 pm" To: Mike Smith Date: Fri, 17 Dec 1999 16:20:37 -0500 (EST) Cc: stable@freebsd.org, jkh@freebsd.org Reply-To: mi@aldan.algebra.com From: Mikhail Teterin X-Mailer: ELM [version 2.4ME+ PL60 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit 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? > > The workaround is to disconnect the SCSI chain at the boot time and > > connect it back when the /boot/loader gives the prompt -- the kernel > > will find the disks nicely. > > I assume that the system boots correctly from disk once FreeBSD is > installed? Yes. -mi To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message