Re: cpufreq oddness on 2.6.16-rc1-mm4

From: Andy Isaacson
Date: Fri Feb 03 2006 - 12:52:23 EST


On Fri, Feb 03, 2006 at 09:40:48AM -0800, Andy Isaacson wrote:
> On Sun, Jan 29, 2006 at 02:45:33PM -0800, Andrew Morton wrote:
> > git-cpufreq.patch
>
> I haven't had time to debug it further, but cpufreq seems broken on my
> Thinkpad X40 with 2.6.16-rc1-mm4. It was working fine with
> 2.6.15-rc5-mm3. Automatic scaling doesn't function any more - my
> PentiumM 1.4 GHz is fixed at 598 MHz.

Additional info - if I boot with AC connected, the CPU is fixed at 1395
MHz. So perhaps this is due to an ACPI change?

(I *do* see the "magic disappearing C4" that Pavel was talking about,
but that seems to have no connection to this problem.)

I still don't understand why there's nothing in
/sys/devices/system/cpu/cpu0, though.

-andy
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