Subject: Re: APM *and* ACPI or is it APM *or* ACPI?
To: George Michaelson <ggm@apnic.net>
From: Daniel Carosone <dan@geek.com.au>
List: port-i386
Date: 02/10/2003 19:14:24
On Mon, Feb 10, 2003 at 10:47:26AM +1000, George Michaelson wrote:
> I think we're in one of those 'negative sweet spots' right now, where apm/apmd
> provides some behaviours laptop users want (battery monitoring, power
> management options) and ACPI provides other features just as interesting
> (indicated for some cardbus device recognition problems on some laptops, fan
> management, longer-term architecture) and you can't have both at the same
> time.

Indeed. 

> YMMV. I think because of the cardbus thing on my Dell L400, I'll forgoe the
> apmd power management. However I'm a bit worried that since I did ACPI I've
> seen the return of phantom halts which in FreeBSD were put down to CPU
> overheating.(eg during build.sh)

Does your fan come on at all?  On some machines it seems that
enabling ACPI makes the system assume the OS will control the fan,
so it steps out of the way. On others (like my Dell) the fan still
comes on and off by itself.

--
Dan.