[coreboot] SeaBIOS WinXP install

[Myles Watson]

> -----Original Message-----
> From: Kevin O'Connor [mailto:kevin at koconnor.net]
> Sent: Friday, July 25, 2008 9:49 PM
> To: Myles Watson
> Cc: Coreboot
> Subject: Re: SeaBIOS WinXP install
> 
> Hi Myles,
> 
> On Fri, Jul 25, 2008 at 03:58:05PM -0600, Myles Watson wrote:
> > Just for the fun of it I tried installing XP with the old Bochs BIOS and
> > then booting it with SeaBIOS.  It installs fine, then can't boot with
> either
> > BIOS.  With SeaBIOS, it blue screens with the same message as the
> install
> > CD.  Here's the log:
> 
> The log looks like a CD boot log - was it the same for the hd boot?

After an install, you have to reboot with the CD.
 
> A couple of notes:
> 
> A "STOP: 0x0000007B" message is an INACCESSIBLE_BOOT_DEVICE error
> according to:
> 
> http://blogs.technet.com/asksbs/archive/2008/03/30/how-to-troubleshoot-
> the-stop-error-0x0000007b.aspx
> 
> I did notice that the last log message always seems to be:
> 
> > fail floppy_13XX:709(00000001):
> >   a=00001507 b=00000003 c=0000000f d=00065000 si=00005026 di=00000000
> >   ds=00001a49 es=0000504a ip=000055be cs=00001000 f=00000212 r=00000c02
> 
> you could try enabling the CONFIG_FLOPPY_SUPPORT on your machine.  If
> that doesn't work, you could try just enabling a floppy_1315() handler
> that always sets regs->ah=0 and calls set_success().

I'll try it.
 
> Another thing to try would be to set DEBUG_HDL_13 and DEBUG_HDL_40 to
> 1 so that you see every call into the bios disk handlers.
> 
> BTW, what are you using to log the output from serial?  If something
> is sending backspaces - is there a way to capture that?

I'm using HyperTerminal.  Thanks for pointing this out.  It shoots my theory
about backspaces, because HyperTerminal logs those.  Any thoughts on where
the disappearing output might go?

> 
> Also, you reported that Bochs 1.186 is working with ADLO.  Does a more
> recent version of Bochs also work?  The seabios code is basically in
> synch with the latest bochs (v1.211).

I can try it.

> I wish there was more help I could give; unfortunately I'm seeing a
> totally different set of failures here.  :-(

Hopefully we'll get to a common case eventually so we can help each other
better.

Thanks,
Myles