powernowd的一点问题

molucule

电源管理用了acpi后cpu只能降频使用，而用apm就可以全速。

#/etc/init.d/powernowd restart
Restarting powernowd: /sys/devices/system/cpu/cpu0/cpufreq/cpuinfo_max_freq: No such file or directory

PowerNowd encountered and error and could not start.
Please make sure that:
- You are running a v2.6.7 kernel or later
- That you have sysfs mounted /sys
- That you have the core cpufreq and cpufreq-userspace
   modules loaded into your kernel
- That you have the cpufreq driver for your cpu loaded,
   and that it works. (check dmesg for errors)
If all of the above are true, and you still have problems,
please email the author: clemej@alum.rpi.edu

# dmesg |grep Error
    ACPI-0265: *** Error: Region EmbeddedControl(3) has no handler
    ACPI-1138: *** Error: Method execution failed [\_SB_.PCI0.LPC_.FDC_._INI] (Node d7de3580), AE_NOT_EXIST
    ACPI-0265: *** Error: Region EmbeddedControl(3) has no handler
    ACPI-1138: *** Error: Method execution failed [\_SB_.PCI0.LPC_.EC__._INI] (Node d7deb400), AE_NOT_EXIST

PiPiDou

speedstep_centrino
cpufreq_userspace
这两个模块有没有？