From owner-freebsd-current Thu Jan 7 13:17:31 1999 Return-Path: Received: (from majordom@localhost) by hub.freebsd.org (8.8.8/8.8.8) id NAA09093 for freebsd-current-outgoing; Thu, 7 Jan 1999 13:17:31 -0800 (PST) (envelope-from owner-freebsd-current@FreeBSD.ORG) Received: from ceia.nordier.com ([139.92.122.132]) by hub.freebsd.org (8.8.8/8.8.8) with ESMTP id NAA09086 for ; Thu, 7 Jan 1999 13:17:27 -0800 (PST) (envelope-from rnordier@nordier.com) Received: (from rnordier@localhost) by ceia.nordier.com (8.8.7/8.6.12) id XAA08193; Thu, 7 Jan 1999 23:13:27 +0200 (SAT) From: Robert Nordier Message-Id: <199901072113.XAA08193@ceia.nordier.com> Subject: Re: Kernel cannot mount root with new bootblocks In-Reply-To: <199901070445.UAA30153@yakko.zso.dec.com> from "Reginald S. Perry" at "Jan 6, 99 08:45:43 pm" To: perry@zso.dec.com Date: Thu, 7 Jan 1999 23:13:25 +0200 (SAT) Cc: mike@smith.net.au, freebsd-current@FreeBSD.ORG X-Mailer: ELM [version 2.4ME+ PL31 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG Reginald S. Perry wrote: > I have a vintage 1994 486/66 machine on which I tested the new > bootblocks using the test floppy method described on -current. I > verified that it worked on my dual pentium box before I tested on the > 486. The machine is running the Award bios v4.50G on a Genoa > Turboexpress 486VLG-X2 (Ver A) motherboard. When I try to boot from > floppy, I get a register dump: > > int=0000000e err=00000007 efl=00030296 eip=00005000 > eax=0000918d ebx=00000000 ecx=00000000 edx=00000100 > esi=00000000 edi=0000a809 ebp=000003fc esp=000003fe > cs=0000 ds=0000 es=a809 fs=0000 gs=0000 ss=9e82 > cs:eip=67 00 00 00 67 10 00 00-25 20 00 00 25 30 00 00 > ss:esp=00 00 fc 03 0c 04 00 00-00 01 00 00 8d 91 2d 2f > > > And the system then halts. If you build new floppy images, I am > willing to test them and report the results, but I do not have enough > knowledge of how to debug at this level to be of any help. >From the register dump, this looks like the same problem Peter Wemm had and devised a fix for. Do you have a SCSI controller in the 486 machine? It would be a help if you could try the custom floppy mentioned on his ELF Day page http://www.freebsd.org/~peter/elfday.html and let us know whether this works for you. -- Robert Nordier To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message