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    SubjectRe: cpufreq default governor
    On 24/04/07, William Heimbigner <icxcnika@mar.tar.cc> wrote:
    > On Tue, 24 Apr 2007, Michal Piotrowski wrote:
    >
    > > On 24/04/07, William Heimbigner <icxcnika@mar.tar.cc> wrote:
    > >> On Tue, 24 Apr 2007, Michal Piotrowski wrote:
    > >>
    > >> > Hi William,
    > >> >
    > >> > On 24/04/07, William Heimbigner <icxcnika@mar.tar.cc> wrote:
    > >> > > Question: is there some reason that kconfig does not allow for
    > >> > > default
    > >> > > governors of conservative/ondemand/powersave?
    > >> >
    > >> > Performance?
    > >> >
    > >> > > I'm not aware of any reason why one of those governors could not be
    > >> > > used
    > >> > > as default.
    > >> >
    > >> > My hardware doesn't work properly with ondemand governor. I hear
    > >> > strange noises when frequency is changed.
    > >> >
    > >>
    > >> That doesn't mean it isn't working, though.
    > >
    > > I didn't say that cpufreq ondemand is broken. It's a hardware problem.
    > >
    > >> I here weird noises if the cpu
    > >> is clocked anywhere from 333MHz to 1GHz (sounds like an RD-D2 beeping
    > >> noises in ultra high pitch?)
    > >
    > > Yes, something like that.
    >
    > Is it actually "not working" though, even at the hardware level?

    It works, but for me this sounds are very weird ;)

    > To my
    > knowledge those noises are normal, and aren't even signs of a harware
    > problem. I believe it is the natural result of changing frequencies at any
    > time. If you change frequencies, especially in the low end of available
    > frequencies, you should hear a very brief noise. A governor such as
    > ondemand, which is rapidly switching the frequency from say, 333 MHz to
    > 2.66 GHz, is likely to make this much more noticable.

    Ok, it might be normal behavior. I might be wrong, but IMO users
    prefer speed and no strange sounds as default setting.

    >
    > William Heimbigner
    > icxcnika@mar.tar.cc
    >

    Regards,
    Michal

    --
    Michal K. K. Piotrowski
    LTG - Linux Testers Group (PL)
    (http://www.stardust.webpages.pl/ltg/)
    LTG - Linux Testers Group (EN)
    (http://www.stardust.webpages.pl/linux_testers_group_en/)
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