Re: failed to enable acpi-cpufreq driver

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On Tuesday 16 June 2009 03:36:06 Rajeev Kumar wrote:
> 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 ????

You shouldn't, no.

> If yes then which modules should i include????

acpi-cpufreq should be the right module.

> or is there any other problem??

Quite possibly a BIOS setting needs changing or the BIOS needs updating.
Try booting w/the added kernel param 'cpufreq.debug=7' and see if
there isn't some additional spew in dmesg that lends some clues.

-- 
Jarod Wilson
jarod@xxxxxxxxxx
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