dfly 1.2 REL cd doesn't boot reliably on PII SMP

[Joerg Sonnenberger]

On Wed, Apr 13, 2005 at 08:23:20AM +0300, Taneli Vähäkangas wrote:
> Hello, 
> 
> I sometimes get this on boot-up:
> 
> /kernel text=0x3c6e48 |
> int=0000000d  err=00000000  efl=00030206  eip=0000ba19
> eax=ffffffff  ebx=ffffffff  ecx=ffffffff  edx=ffffffff
> esi=ffffffff  edi=ffffffff  ebp=ffffffff  esp=fffffff6
> cs=f000  ds=0040  es=419a    fs=0000  gs=0000  ss=9e68
> cs:eip=83 04 01 83 54 02 00 83-7c 02 18 75 13 81 3c b0
>        00 75 0d c7 04 00 00 c7-44 02 00 00 c6 44 04 01
> ss:esp=00 00 8c 46 1e 6a 00 f0-46 02 54 2d 03 00 58 75
>        05 00 d9 00 d0 00 22 ed-00 f0 86 00 2c 80 90 e7
> BTX halted
> 
> (I hope I got it right, it is copied by hand...)
> 
> This is on a dual PII 233MHz machine. It usually runs
> Linux and I am not aware of any hw problems.

Well, the CS register above is the clue. It's a fault in
the BIOS :) Hm. It might help to lower the initial esp,
maybe the BIOS wants to access the area below 640k.

Joerg