CPUFREQ on a Thinkpad Yoga i7 in a new Fedora 20 install

[Alan E. Davis]

The biggest question for me is this: is it a kernel issue that I am only
seeing two governors, when other OSs see 4?

Alan


On Thu, May 8, 2014 at 9:44 AM, Sudhir Khanger <sudhir at sudhirkhanger.com>wrote:

>
> On May 8, 2014 9:27 PM, "Alan E. Davis" <lngndvs at gmail.com> wrote:
> >
> > I had a good experience, almost perfect, with Fedora some months ago,
> staring with the Beta of F20.  Since then I've tried several Linux distros,
> each of them as usual, with some issue to separate itself from the rest.  I
> have a new Lenovo Yoga ultrabook  and want to ruin LInux on.  I have been
> through 3 or 4.  So I thought, "Let's try Fedora again."
> >
> > The install went well on this UEFI system, installing the other linux
> distros on other partitions, as well as the Windows Boot Loader, on the
> Grub menu.  I am happy, Fedora is awesome.
> >
> > With the exception of a couple of wrinkles.
> >
> > First, I cannot seem to install Jupiter or any other useful cpufrequency
> tool.  And with Fedora, I only see two governor options: performance, and
> powersave.  This is extremely frustrating.  This laptop is running an Intel
> i7 Mobile processor that touts a high CPU freq, but this is only in a
> "turbo" mode.  Other distros have picked up at least four, on this same
> machine.  What are the limitations I am facing here?  Kernel, modules, or
> the inavailability of certain packages, like Jupiter, which I am starting
> to like quite a lot?
> >
> > As a more general remark, Fedora 20 seems to have left a number of other
> packages behind as well.
> >
> > I ran into a brick wall as far as documentation on this issue, the issue
> about cpu frequency.
> >
> > I have now resorted to Desktop Manager roulette to try to find one that
> supports this.  The E17,  for example, cpufreq tool, which works fine
> elsewhere, does not function.
> >
> > Thank you,
> >
> > Alan Davis
> >
> >
> >
> >
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>
> From what I heard Jupiter isn't being developed actively anymore. Most of
> the things it touted to fix have been incorporated upstream. The only
> laptop battery saver tools, supposedly, I use are TLP and Thermal Daemon.
> And you shouldn't be messing up with tools like cpufreq unless you know
> what you are doing.
>
> -
> Sudhir Khanger.
>
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