Celejar a écrit : > On Fri, 29 Jun 2007 12:48:13 +0200 > Jean-Marie Mouchel <[EMAIL PROTECTED]> 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 !).
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