Hi. On Wed, Mar 10, 2010 at 2:07 PM, Corentin Chary <corentin.chary@xxxxxxxxx> wrote: > On Tue, Mar 9, 2010 at 11:58 PM, Fabio Comolli <fabio.comolli@xxxxxxxxx> wrote: >> Hi. >> I have an EeePC 900 running 2.6.34-rc1. >> >> If I boot it on AC the cpu runs at full speed, 900MHz; if I boot it on >> battery it runs only at 630Mhz. Plugging / unplugging the AC does not >> change the cpu frequency. Only a reboot can change the situation. >> >> I already tried to echo 0 or 1 to the >> /sys/devices/platform/eeepc/cpufv file; no effects, even if the file >> changes its value. >> >> This is not a regression from 2.6.33: this behavior is also present in >> that version. >> >> Does this ring any bells? This is really annoying, especially when >> trying to watch a movie on battery. Also 3D apps show a 30% >> performance drop, as expected. > > Can you change the frequency with cpufreq ? No, I can't. Which cpufreq driver am I supposed to use? With only cpufreq compiled in, the directory /sys/drivers/system/cpu/cpu0/cpufreq is empty. > Did you try all cpufv values (see cpufv_available file) ? Yes, it only shows 0 and 1. I tried both, without success. > Is you bios up-to-date ? Yes it is, it's 1006. > > -- > Corentin Chary > http://xf.iksaif.net > Thanks. Fabio -- To unsubscribe from this list: send the line "unsubscribe linux-acpi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
