Non ho mai compilato un kernel!

root@Titano:maurizio/# modprobe powernow-k6
FATAL: Error inserting powernow_k6 (/lib/modules/2.6.15-19-386/kernel/arch/i386/kernel/cpu/cpufreq/powernow-k6.ko): No such device
root@Titano:maurizio/# modprobe powernow-k8
FATAL: Error inserting powernow_k8 (/lib/modules/2.6.15-19-386/kernel/arch/i386/kernel/cpu/cpufreq/powernow-k8.ko): No such device