Re: etch on latitude

Celejar a écrit :
> On Fri, 29 Jun 2007 12:48:13 +0200
> Jean-Marie Mouchel <jean-marie.mouchel@ccr.jussieu.fr> wrote:
>
> [snip]
>
>
>> And one problem with cpu_frequency. A device is not found (I still do
>> not know what should be found!):
>> FATAL: Error inserting acpi_cpufreq
>> (/lib/modules/2.6.18-4-686/kernel/arch/i386/kernel/cpu/cpufreq/acpi-cpufreq.ko):
>> No such device
>>
>
> The message is trying to say (admittedly not very clearly) that that
> particular cpufreq driver doesn't work with your cpu. The loadcpufreq
> script (from cpufrequtils) is incorrect for (at least) Celerons; see
> bug #428248. You can try p4_clockmod, but it doesn't seem to
> accomplish very much in the sense of power saving (it does drastically
> reduce system responsiveness :( ); see the above bug, and also the 3
> bugs mentioned in the loadcpufreq script (#396117, #342014, #367307).
>

Thanks.
I tried p4_clockmod (in /etc/modules) which worked well, the system is still responsive (on my dell D610 laptop). But p4_clockmod suggests (when loading) to use speedstep_centrino for a Pentium M cpu.
It also works well (I mean : battery is much saved and the cpu is very much cooler !).

-- 
------------------------------------------------------------------
Jean-Marie Mouchel

Adresse :
UMR 7619 - Sisyphe
Universite P. et M. Curie
Case 105 - Tour 56/46 - 3ieme etage
4 place Jussieu - 75252 Paris Cedex 05
Programme PIREN-Seine : 
http://www.sisyphe.upmc.fr/internet/piren

Tel : +33 (0)1 44 27 51 26 - Fax : +33 (0)1 44 27 51 25
courriel : jean-marie.mouchel@ccr.jussieu.fr
bureau : Bureau 404, Tour 56/55, 4ieme etage
------------------------------------------------------------------



-- 
To UNSUBSCRIBE, email to debian-laptop-REQUEST@lists.debian.org
with a subject of "unsubscribe". Trouble? Contact listmaster@lists.debian.org