Hello.
I have ASUS K40IJ laptop with Intel Celeron M (dual-core) CPU.
Recently I installed Gentoo Linux here with latest stable kernel from kernel.org (2.6.33.1).
I'm trying to configure power management here(battery now lasts around 3.5 hrs but I'd like it to act more).
Here is my builtin related modules dump:
Code:
root@host:/lib/modules/2.6.33.1# egrep '(clock|acpi|cpufreq)' modules.builtin
kernel/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.ko
kernel/drivers/acpi/ac.ko
kernel/drivers/acpi/button.ko
kernel/drivers/acpi/fan.ko
kernel/drivers/acpi/video.ko
kernel/drivers/acpi/processor.ko
kernel/drivers/acpi/container.ko
kernel/drivers/acpi/thermal.ko
kernel/drivers/acpi/battery.ko
kernel/drivers/cpufreq/cpufreq_stats.ko
kernel/drivers/cpufreq/cpufreq_performance.ko
kernel/drivers/cpufreq/cpufreq_powersave.ko
kernel/drivers/cpufreq/cpufreq_userspace.ko
kernel/drivers/cpufreq/cpufreq_ondemand.ko
kernel/drivers/cpufreq/cpufreq_conservative.ko
kernel/drivers/cpufreq/freq_table.ko
Whenever I run cpufreq-info I get:
Code:
# cpufreq-info
cpufrequtils 005: cpufreq-info (C) Dominik Brodowski 2004-2006
Report errors and bugs to cpufreq@vger.kernel.org, please.
analyzing CPU 0:
no or unknown cpufreq driver is active on this CPU
analyzing CPU 1:
no or unknown cpufreq driver is active on this CPU
Is there something I am missing on my kernel config?
p.s. This may be related since I've applied that patch so fixed an issue described here(weird it's present in 2.6.33.1):
http://bugzilla.kernel.org/show_bug.cgi?id=15005
Thank you!