Re: ACPI trouble (Was: Re: [patch] amd athlon cooling on kt266/266a

Daniel Nofftz (nofftz@castor.uni-trier.de)
Thu, 24 Jan 2002 22:29:15 +0100 (CET)


On Thu, 24 Jan 2002, Wayne Whitney wrote:

> In mailing-lists.linux-kernel, Rasmus Bøg Hansen wrote:
>
> I have an ASUS A7V motherboard, similar to your ASUS A7V133. I find
> that stock kernel (2.4.18-pre7) APM powers off the machine, but stock
> kernel ACPI does not. However, the Intel ACPI patch, available from
> http://developer.intel.com/technology/IAPC/acpi/downloads.htm against
> kernel 2.4.16, does power down my machine. I was able to forward port
> this to 2.4.18-pre7 without too much trouble by starting with 2.4.16,
> applying the Intel ACPI patch first, and then applying kernel
> patch-2.4.17 and kernel patch-2.4.18-pre7.

ok .. .maybe someone should look what the differences for the "halt"
functions are ... i risked a short look in the acpi sources, but i have
not the time to compare the patches at the moment ... maybe at the weekend
... but the acpi sources don't look like easy to understand :) (like many
parts of ther kernel ... imha as a kernel newbee :) )

>
> As to the merits of the amd_disconnect patch that started this thread,
> under 2.4.18-pre7-acpi, I get an idle CPU temperature of about 48 C.
> With the amd_disconnect patch, it drops to 32-35 C, wow! As
> previously discussed, APM + amd_disconnect on an Athlon does not
> provide any power savings, one needs ACPI + amd_disconnect.

ahh ... anopther "it works"- feedback ... :)

daniel

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