Re: Powerbook produces a lot more heat after kernel upgrade
On Tue, 2004-11-30 at 14:02 +0100, Richard Hult wrote:
> Timo Reimerdes wrote:
> > Could is be something related to hard-drive activity? Or is the
> > processor just doing more work? did the powernowd change?
>
> This is without running any frequency scaling at all (no powernod,
> cpydyn, or cpufreqd), and also without spinning down the hard drive.
> It's a bit of a mystery to me, I looked through the changelog for the
> kernel between 2.6.7 and 2.6.8 and didn't find anything obviously
> related to something like this.
Note that a good way to lower the power consumption of a Mac laptop is
to reduce HZ back from 1000 to 100 in include/asm-ppc/param.h
Ben.
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