Re: ACPI throttling to death?

[Bruno Ducrot <ducrot-kk6yZipjEM5g9hUCZPvPmw@public.gmane.org>]

On Tue, Apr 05, 2005 at 10:23:17PM +0200, Jan Frey wrote:
> > BTW, are you sure throttling work OK?
> 
> At least you can notice remarkable slowdown and loss of responsiveness when 
> throttling is supposed to be active. This effect is also dependent on the 
> throttling level, the higher it is the more noticeable those delays are...
> So at least on the "slow-down" side of things it seems to be working, but 
> unfortunately it does not decrease CPU temp...

Well...  BTW, throttling is only a way to force somehow a certain amount
of idle time to be done, somehow.  If you have some trouble even if the
system is mostly idle, throttling wont help.

> > Then mail me the acpidmp.out.bz2
>  
> I will do so as soon as possible.

OK, got it.  Will look.

> > I'm still wondering if I'm right to think that its not an intel
> > chipset.  If its an Intel one, then something is wrong.  Intel chipset
> > support 8 throttling levels, not 16.  Could you please do a lspci -v?
> 
> Oh yes, I totally forgot. If I remember correctly it is some VIA chipset.
> lspci output will also follow.

I remember that some southbridge are broken, though I'm only aware
problem with some PIIX4 (it is in an errata, I don't remember exactly
which version).  Maybe its the case here?
Does your laptop hang if forcing throttling level at 12%?

-- 
Bruno Ducrot

--  Which is worse:  ignorance or apathy?
--  Don't know.  Don't care.


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