[coreboot] mcp55_fadt patch to fix Microsoft Windows BSOD 0x000000A5 (0x00000011, 0x00000006 ....)

Stefan Reinauer stepan at coreboot.org
Fri Dec 10 19:41:30 CET 2010

* Rudolf Marek <r.marek at assembler.cz> [101210 08:59]:
> >Wouldn't the right way to fix this be to actually implement the
> >acpi_enable/acpi_disable commands on smi_cmd?
> No, you can put system in ACPI mode yourself. The only disadvantage
> is that you don't get poweroff if power button is pressed for less
> than 4 seconds (unless implementing IRQ9).
> I think all other chipsets in coreboot are doing it this way except Intel ;)

Wow, so the Intel chipsets are the only ones not broken in coreboot? ;-)

Nevermind, I think this should go in but with a big warning in the code
stating that it should be released once we have a decent SMM handler for
that system.


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