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Date:      Sat, 20 Jan 2007 15:51:20 -0800
From:      Peter Losher <Peter_Losher@isc.org>
To:        freebsd-stable@freebsd.org
Cc:        jhb@freebsd.org
Subject:   BTX issues when booting from a USB CD-ROM
Message-ID:  <45B2AAF8.9010509@isc.org>

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I have a Matushita based USB CD/DVD-ROM drive that I have been using to
install FreeBSD with for the better part of the last year.  I just took
delivery yesterday of both a HP Proliant 1450 G3 and a generic 1U server
based on a Tyan Tomcat i845GV S3098 MB.

In both cases, once the USB CD-ROM started loading either 6.1 or 6.2, I
get a BTX halt:

-=3D-
from CD : CD Loader 1.2

Building the boot loader arguments
Looking up /BOOT/LOADER... Found
Relocating the loader and the BTX
Starting the BTX loader

BTX loader 1.00  BTX version is 1.01
Consoles: internal video/keyboard

int=3D0000000d  err=3D00000000  efl=3D00030206  eip=3D000037d0
eax=3D00008001  ebx=3D00000000  ecx=3Da3900001  edx=3D0000009f
esi=3D00000b32  edi=3D00000000  ebp=3D00000000  esp=3D000003d2
cs=3Df000  ds=3D3eca  es=3D3eac    fs=3D0000  gs=3D0000  ss=3D97fc
cs:eip=3D2e 0f 01 16 f8 38 0f 20-c0 0c 01 0f 22 c0 b8 30
       00 8e c0 0f 20 c0 24 fe-0f 22 c0 eb 00 66 58 c3
ss:esp=3D01 80 00 00 db 36 00 00-00 00 32 0b 00 00 00 00
       00 00 f8 03 00 00 00 00-00 00 9f 00 00 00 01 00
BTX halted
-=3D-

Opening up the cases and plugging in a EIDE CD-ROM, the installer CD's
work just fine.  So it looks like perhaps there is some new BIOS
instruction set that's causing the BTX loader some pain with a USB device=
=2E

Anyone encounter similar issues recently?

Best Wishes - Peter
--=20
Peter_Losher@isc.org | ISC | OpenPGP 0xE8048D08 | "The bits must flow"


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