linux-kernel - Re: 2.6.25.x: Wrong CPU frequency (cpufreq table) with p4-clockmod

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Message-ID: <20080601185643.3d3db64f@infradead.org>
Date:	Sun, 1 Jun 2008 18:56:43 -0700
From:	Arjan van de Ven <arjan@...radead.org>
To:	Guntsche Michael <mike@...loops.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: 2.6.25.x: Wrong CPU frequency (cpufreq table) with p4-clockmod

On Sun, 1 Jun 2008 23:57:14 +0200
Guntsche Michael <mike@...loops.com> wrote:

> 
> On May 30, 2008, at 16:07, Guntsche Michael wrote:
> 
> >
> > I am most interested in keeping the temperature of my CPU down,  
> > which means slower fans, which means less noise.
> > The main "problem" I have is that I do not know if this is a
> > simple display issue or if I am having a more fundamental problem
> > here.
> 
> Just FYI I found out the cause of my problem.
> 
> Reverting
> http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ed9cbcd40004904dbe61ccc16d6106a7de38c998
> this patch resultsin the correct numbers for me.
> 
> <cpuinfo snip>
> processor	: 0
> vendor_id	: GenuineIntel
> cpu family	: 15
> model		: 1
> model name	: Intel(R) Pentium(R) 4 CPU 1.70GHz
> stepping	: 2
> cpu MHz		: 637.500
> <snip>
> 
> This patch was reverted because other people seem to have problems  
> with it, reverting the revert does not look like a good idea either.
> But since I know now, that this is just a "display" problem and  
> everything is working otherwise, I'll just patch this locally for my  
> machine here.
> 

just as a side note.. you do realize that with p4-clockmod, your cpu is
still running at 1.7 GHz right? (it's just doing less work '-)
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