My machine configuration is : Intel Xeon Dual Core Processor X5260 3.3GHz with kernel 2.6.27.19-5-default Following cpufreq drivers are installed in my machine as listed in /lib/modules/$(uname -r)/kernel/drivers/cpufreq/ directory acpi-cpufreq powernow-k8 so when i tried to enable my cpufreq driver #modprobe acpi-cpufreq i got following error FATAL: Error inserting acpi_cpufreq (/lib/modules/2.6.27.19-5-default/kernel/arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.ko): No such device Do i have to recompile my kernel ???? If yes then which modules should i include???? or is there any other problem?? -is0dvil -- To unsubscribe from this list: send the line "unsubscribe cpufreq" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html