[arch-general] cpufreq stopped working

[Martin Zecher]

Sorry, I forgot to say that already tried booting directly into console
(without nvidia).


On Sun, Jul 1, 2012 at 11:10 AM, Martin Zecher <mzecher at gmail.com> wrote:

> Thanks a lot for your help Leonid.
>
> I don't know if this list allows attachments, so I better send you a link:
> https://dl.dropbox.com/u/208940/journalctl
>
>
> On Sat, Jun 30, 2012 at 5:24 PM, Leonid Isaev <lisaev at umail.iu.edu> wrote:
>
>> On Sat, 30 Jun 2012 21:37:39 +0100
>> Leonidas Spyropoulos <artafinde at gmail.com> wrote:
>>
>> > On Jun 30, 2012 4:01 PM, "Leonid Isaev" <lisaev at umail.iu.edu> wrote:
>> > >
>> > > On Sat, 30 Jun 2012 10:05:29 -0400
>> > > Martin Zecher <mzecher at gmail.com> wrote:
>> > >
>> > > > Thanks for answering.
>> > > >
>> > > > I already installed cpupower with no luck. I think that the problem
>> is
>> > > > related with the module acpi_cpufreq, which loads but does nothing
>> at
>> > all.
>> > >
>> > > For basic (automatic) scaling you don't need either cpupower nor
>> cpufreq
>> > nor
>> > > MODULES=(acpi_cpufreq) with linux 3.4.x.
>> >
>> > Can you elaborate in that a bit more? Does the kernel handle that? What
>> > does the cpupower  or cpufreq offer more?
>>
>> Yes, it's what they call CPU driver autoprobing:
>>
>> http://kernelnewbies.org/Linux_3.4#head-9df4e508cb97f4e138c590b9ccff3e0eda6cc7fc
>> .
>>
>> Basically, if your CPU supports scaling, the corresponding driver will be
>> loaded automatically. This and the fact that arch kernel now defaults to
>> ONDEMAND governor (CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND=y, FS#28778),
>> eliminates the need for userspace tools and explicit module loading.
>>
>> If you want just default scaling (within hw defaults), you don't have to
>> do
>> anything beyond enabling speedstep/coolnquiet in BIOS. But if you want to
>> see
>> various info, control frequency range (to downclock, for instance) or
>> change
>> the governor from the userspace, you'll have to install either cpupower or
>> cpufrequtils. Of course, you could achive some of it functionality by
>> simply
>> echoing parameters to corresponding files in /sys/devices/system/cpu/*.
>>
>> If you need to control frequency based on acpi events, you'll probably
>> need
>> cpupower: https://wiki.archlinux.org/index.php/CPU_Frequency_Scaling.
>>
>> >
>> > From your previous email, it follows
>> > > that your kernel oopses. Please show the complete relevant piece from
>> > > kernel.log (or whatever place systemd logs to, not grepped). Also, you
>> > could
>> > > try booting w/o nvidia to not taint kernel.
>> > >
>> > > >
>> > > >
>> > > > On Sat, Jun 30, 2012 at 7:58 AM, Jesse Juhani Jaara
>> > > > <jesse.jaara at gmail.com>wrote:
>> > > >
>> > > > > la, 2012-06-30 kello 01:14 -0400, Martin Zecher kirjoitti:
>> > > > > > I'm not really sure when cpufreq stopped working, maybe 2 or 3
>> > months
>> > > > > ago.
>> > > > > > It was working fine before and I don't really remember making
>> any
>> > change
>> > > > > in
>> > > > > > configuration.
>> > > > >
>> > > > > Cpufreq utils are deprecated and replaced with cpupower utils. Try
>> > > > > installing cpupower and see if it works ^_^
>> > > > >
>> > > > >
>> > > >
>> > > >
>> > >
>> > >
>> > >
>> > > --
>> > > Leonid Isaev
>> > > GnuPG key: 0x164B5A6D
>> > > Fingerprint: C0DF 20D0 C075 C3F1 E1BE  775A A7AE F6CB 164B 5A6D
>>
>> --
>> Leonid Isaev
>> GnuPG key: 0x164B5A6D
>> Fingerprint: C0DF 20D0 C075 C3F1 E1BE  775A A7AE F6CB 164B 5A6D
>>
>
>
>
> --
> Martin
>
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>
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>
>


-- 
Martin

Código de novios Falabella: 585855-00 (gracias!)

No envíen archivos pesados por mail.
Usen DropBox <https://www.dropbox.com/referrals/NTIwODk0MDk> (2GB + *500MB
bonus*) o SpiderOak<https://spideroak.com/download/referral/dd6b3051b5f1f10a5674d694f22dd3e8>(tras
registrarse vayan a 'buy more space' e ingresen el código
"worldbackupday" --> *8GB*)