BTX issues when booting from a USB CD-ROM

[Miroslav Lachman]

Peter Losher wrote:

> 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:
> 
> -=-
> 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=0000000d  err=00000000  efl=00030206  eip=000037d0
> eax=00008001  ebx=00000000  ecx=a3900001  edx=0000009f
> esi=00000b32  edi=00000000  ebp=00000000  esp=000003d2
> cs=f000  ds=3eca  es=3eac    fs=0000  gs=0000  ss=97fc
> cs:eip=2e 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=01 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
> -=-
> 
> 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.
> 
> Anyone encounter similar issues recently?
> 
> Best Wishes - Peter


Hi,

this is well known problem discussed a few months ago:
http://lists.freebsd.org/pipermail/freebsd-stable/2006-November/030897.html
sterted at semptember
http://lists.freebsd.org/pipermail/freebsd-qa/2006-September/000783.html

Partial fix could be to use GRUB (it helps me on Sun, but does not help 
on HP servers)

Miroslav Lachman