Re: Acpi Problem

[PSI-Systems <psi-systems-hi6Y0CQ0nG0@public.gmane.org>]

> Could someone explain me what is ECDT so i could find more informations
> on my problem?

According to Andrew Grover, this is the Problem:

>Your BIOS is broken. We just started looking at the EC_ID field in the 
>ECDT,
>and unfortunately your machine's is wrong.
>
>A little explanation...
>
>Your laptop has an Embedded Controller. The ECDT table is supposed to
>describe the EC, so that AML can use operation regions in the EC before 
>the
>EC device is actually found by the walking of the namespace.
>
>The ECDT-enumerated EC and the EC in the namespace are linked because 
>there
>is a field (EC_ID) in the ECDT that gives the path to the EC in the
>namespace. If this is wrong, then we abort.
>
>As with so many things ACPI-related, the *right* answer is that IBM fixes
>their BIOS...but since this works under Windows, we may end up applying a
>yet-to-be-devised workaround. :(

I've the same Prob with my IBM A31.


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