Date: Thu, 16 Oct 1997 03:40:10 -0700 (PDT) From: filo@yahoo-inc.com To: freebsd-gnats-submit@FreeBSD.ORG Subject: i386/4775: AL440LX board will not boot from a freebsd-dedicated hard drive Message-ID: <199710161040.DAA20989@hub.freebsd.org> Resent-Message-ID: <199710161050.DAA21285@hub.freebsd.org>
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>Number: 4775 >Category: i386 >Synopsis: AL440LX board will not boot from a freebsd-dedicated hard drive >Confidential: no >Severity: critical >Priority: high >Responsible: freebsd-bugs >State: open >Class: sw-bug >Submitter-Id: current-users >Arrival-Date: Thu Oct 16 03:50:01 PDT 1997 >Last-Modified: >Originator: David Filo >Organization: Yahoo! Inc. >Release: 2.1, 3.0 >Environment: FreeBSD fb21.yahoo.com FreeBSD 2.1-STABLE #0: Mon Jul 21 11:13:11 PDT 1997 root@fb21.yahoo.com:/usr/src/sys/compile/YAHOO i386 >Description: The latest BIOS from Intel for their AL440LX board does not pass the drive number in %dl as biosboot/start.S assumes (instead %dl is set to 0). The end result is that you cannot boot from a harddrive if you're not using slices. Booting from floppy works fine and using slices with bteasy works as well. >How-To-Repeat: Install FreeBSD on a drive and dedicate entire drive to FreeBSD (i.e. do not use slices). Try to boot an AL440LX board with this drive. It will fail after BIOS with "read error". >Fix: Forcing %dl to $0x80 (which is what bteasy appears to do) solves the problem. Not sure what the real fix should be. >Audit-Trail: >Unformatted:
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