Date: Thu, 7 Jan 1999 23:13:25 +0200 (SAT) From: Robert Nordier <rnordier@nordier.com> To: perry@zso.dec.com Cc: mike@smith.net.au, freebsd-current@FreeBSD.ORG Subject: Re: Kernel cannot mount root with new bootblocks Message-ID: <199901072113.XAA08193@ceia.nordier.com> In-Reply-To: <199901070445.UAA30153@yakko.zso.dec.com> from "Reginald S. Perry" at "Jan 6, 99 08:45:43 pm"
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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
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