Re: General ACPI/Linux question

[Constantinos Antoniou <costas-DPNOqEs/LNQ@public.gmane.org>]

On Sun, 2003-01-26 at 08:23, Philippe Clérié wrote:
> For what it's worth, I have ACPI working fine on a 1700T with 
> Gentoo Linux and kernel 2.4.20-acpi-r9. As far as I can tell 
> this kernel is vanilla + acpi 20021212. No modifications were 
> needed. 
> 

This is very nice to hear. 


> This is the first kernel I have tried that gave me some info on 
> the battery. klaptop is working and shows a battery icon when 
> on battery or an AC plug when on AC. And it pops up a message 
> when battery power is low. But it does not show whether 
> capacity is at 90, 50 or 20%. 
> 

Having the ability to (at least) gracefully shutdown is a "good thing"
(TM)

> I have not checked any of the sleep modes since I don't use them 
> at all so I can't comment on that.
> 

Could you or anybody else perhaps provide some feedback on the attached
image? I have compiled a vanilla 2.4.20 with acpi-20021212-2.4.20.diff.
When I try to boot it freezes at the point of the attached (camera
captured - ~280K image) point.

http://mit.edu/costas/www/img_0092.jpg

Please let me know if any other information would help.

Thanks,

Costas




> For the moment I'm happy.
> 
> Regards,
> Philippe
> 
> On Saturday, 25 January 2003 20:54, Constantinos Antoniou wrote:
> > Hello,
> >
> > I have a laptop (Compaq Presarion 1700T) and would really
> > really like to have some ACPI support (battery status is very
> > important, suspend to ram or disk - anything faster than
> > reboot- would be very very useful and welcome).
> >
> > I have not tried every possible trick, and in any case I am
> > hoping to get some things working this year... either with
> > the introduction of ACPI in RH8.1 or otherwise (ok, this is
> > not flame-bait. Let me move on
> >
> > :)) This is not a system/problem specific post, however.
> >
> > My question is: One of the most usual things I see in the
> > various newsgroup posts is that DSDT tables are buggy, and
> > people need to disassemble them, edit them, replace them etc
> > etc. However, windows power management on the same machines
> > works. So what is the situation?
> >
> > The way I (don't) understand it, the ACPI implementation
> > expects some things to be defined correctly in the DSDT
> > table. However, some OSes manage to work with whatever is
> > there.
> >
> > And to go one step further, if I change this DSDT thingie,
> > will the ACPI functionality in the other OSes still work? So,
> > would an option be to be more lenient (I understand that
> > there are standards and people should respect them...)
> >
> > Thanks in advance and please be considerate in the replies -
> > IANA ACPI expert.
> >
> > Costas
-- 
Constantinos Antoniou
Ph.D. Candidate
Massachusetts Institute of Technology
Intelligent Transportation Systems Program
77 Massachusetts Ave., NE20-208, Cambridge, MA 02139
(T) 617-252-1113 * (F) 617-252-1130 * (email) costas-3s7WtUTddSA@public.gmane.org



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