[coreboot] [PATCH 0/7] ASUS M2V support (v2)
scott at notabs.org
Mon Nov 1 00:17:00 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
]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.
That is great news, congratulations.
]Tobias PGP: http://8ef7ddba.uguu.de
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