Re: Help please

[Len Brown <lenb@kernel.org>]

On Friday 14 December 2007 10:22, ice` wrote:
> Cyber Source ha scritto:
> > Hello,
> >  To simplify my question, I'm going to include an excerpt from a post 
> > to our lug here. Would you possible have a work around for this 
> > problem? TIA
> Hi,
> sorry if I follow your post but I have a problem with ACPI and I think 
> that the culprit is always Phoenix Bios as in your case (I have an HP 
> dv2500 laptop with bios F.21)...
> I've read that Phoenix Bios has been planned to allow only Microsoft 
> systems (in particular Vista) to read ACPI data and therefore manage CPU.
> Someone can confirm this?
> I can't manage cpu frequency scaling which, by the way, is supported by 
> my cpu (C2D T7500) and in fact inside Vista works pretty well.
> This is the ACPI error I get when I modprobe acpi-cpufreq:
> 
> [ 1008.017253] ACPI Error (psargs-0355): [\_PR_.CPU0._PSS] Namespace 
> lookup failure, AE_NOT_FOUND
> [ 1008.017259] ACPI Error (psparse-0551): Method parse/execution failed 
> [\_PR_.CPU1._PSS] (Node ffff81007cf59de0), AE_NOT_FOUND
> [ 1008.017293] ACPI Exception (processor_perflib-0234): AE_NOT_FOUND, 
> Evaluating _PSS [20070126]
> 
> I hope someone can clarify on this.

Please file a sighting here:

http://bugzilla.kernel.org/enter_bug.cgi?product=ACPI

please attach the output from acpidump.

please attach the dmesg from 2.6.23.stable or later.

thanks,
-Len