[coreboot] [PATCH 0/7] ASUS M2V support (v2)

Tobias Diedrich ranma+coreboot at tdiedrich.de
Sun Oct 31 23:10:46 CET 2010

Tobias Diedrich wrote:
> Scott Duplichan wrote:
> > The stop A5 can be easy to debug if you go through the pain of
> > setting up a checked build with windbg. For me the first thing
> > it reported was e820 ranges overlapping with other (ACPI) ranges.
> > I found Windows wants no range reserved in e820 unless it is
> > truly off limits to the OS ands its drivers. The exception is
> > mmconf, which is often reserved in e820. An annoyance with checked
> > build (at least win7) is the e820 range error message prints
> > garbage. The reason is that the DbgPrint format string and arg list
> > do not match. One is 32-bit and the other 64-bit. It will work if
> > patched in memory before executing. Another problem is that Windows
> > wants ACPI to report the address space available to the PCI bus.
> > Here is how mine looks. It is hard-coded for 2MB TOM at the moment:
> Finally have a win install on my notebook set up. I didn't have any
> disk space left on the hard disk and had to patch the xp install cd
> so I could install it on an external USB hard drive...
> Hmm, according to windbg the error is 'failed to load DDB', and the
> third arg points to the generated SSDT for my Processor. I'll have a
> look...

Disabling the SSDT for now there was indeed an E820 conflict with the
DSDT PCI0 _CRS resources. Looks like the dsdt I copied it from was a
bad example. :)
I got my first successful ACPI boot of XP now.

Tobias						PGP: http://8ef7ddba.uguu.de

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