On Mon, Aug 3, 2009 at 1:04 PM, Ian jonhson<jonhson.ian@xxxxxxxxx> wrote: >> I had similar problem in the past. I used 586 kernel and it didn't work. >> Do you have 686 kernel? If yes, can you send us the output of the >> following commands: >> >> # cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_frequencies >> >> # cat /sys/devices/system/cpu/cpu0/cpufreq/scaling_available_governors >> >> # modprobe cpufreq_ondemand >> >> > > > There does not exist the "cpufreq" directory. The following command > > # modprobe cpufreq_ondemand > > can be executed and nothing is output. However, still no "cpufreq" directory > is created in /sys/devices/system/cpu/cpu0/ after the command is done. > > BTW, I don't know where can I check whether the hardware is supporting > the CPUfreq. I just learn from maillist if someone want to check the cpufreq > support in hardware he can run the following commands to do checking: > > # grep est /proc/cpuinfo > > Any helps? > I found the problem location why the "cpufreq" directory is not there. I *HAVE NOT* opened the speedstep in my bios. OMG wasting so much time~~ I am sorry~ Thanks for all, Ian _______________________________________________ CentOS mailing list CentOS@xxxxxxxxxx http://lists.centos.org/mailman/listinfo/centos