Date: Fri, 17 Dec 1999 16:20:37 -0500 (EST) From: Mikhail Teterin <mi@aldan.algebra.com> To: Mike Smith <msmith@freebsd.org> Cc: stable@freebsd.org, jkh@freebsd.org Subject: Re: URGENT (?) booting from CD on Atapi Message-ID: <199912172120.QAA01726@misha.cisco.com> In-Reply-To: <199912172051.MAA01425@mass.cdrom.com> from Mike Smith at "Dec 17, 1999 12:51:18 pm"
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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
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