Re: Re: IBM Thinkpad A31 | ACPI problems

[Dom <dom-K271P2BsTd0@public.gmane.org>]

Dear Kenichi,

sorry - i did not see Andy Grover's reply to Sandro earlier on. So the problem 
is a bug in the BIOS implementation. I have already contacted IBM via "Ask an 
expert" and posted a message to http://www7.pc.ibm.com/~Thinkpad and I really 
hope that they will reply. I will keep you up to date.

Thanks,
Dominik

p.s. How ugly would a work around for the BIOS problem be? Aren't there 
already several work arounds for buggy BIOSes in the Linux kernel code?

On Thursday 02 January 2003 18:29, Adachi, Kenichi wrote:
> > I browsed the mailing list archives (December 2002, November 2002) and
> >
> > encountered several postings from Sandro (PSI-Systems
>
> <psi-systems-8XqT/MH+8ao@public.gmane.org>)
>
> > who is having the same problem with his Thinkpad A31 laptop:
> > ACPI: Found ECDT
> > ACPI: Could not use ECDT
> > evxfevnt-0119 [06] Acpi_disable          : ACPI mode disabled
> >
> > ACPI is completely disabled for IBM Thinkpad A31. Is there a
> > solution for that
> > problem available? How can I be of any help to the ACPI developers?
>
> Did you also read Andy Grover's reply to Sandro?
>
> Subject:  RE: [ACPI] ACPI does not work since
> acpi-20021022-2.4.20-pre11.di
> From:     "Grover, Andrew" <andrew.grover () intel ! com>
> Date:     2002-11-04 18:19:30
> http://marc.theaimsgroup.com/?l=acpi4linux&m=103643408113691&w=2
>
> In short, ECDT -> EC_ID is supposed to be the full path name of your EC
> device in ACPI Namespace like "\_SB.PCI0.LPC.EC", but __NOT__ in your
> BIOS.
> You can work around your problem by adding hack code, but it makes OS
> code dirty to save broken BIOSes and it allows BIOS vendor not to fix
> their problem.



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