linux-kernel - RE: speedstep-centrino broke

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Message-ID: <EB12A50964762B4D8111D55B764A84549560BA@scsmsx413.amr.corp.intel.com>
Date:	Wed, 13 Sep 2006 09:33:25 -0700
From:	"Pallipadi, Venkatesh" <venkatesh.pallipadi@...el.com>
To:	"Michiel de Boer" <x@...elhomicide.demon.nl>,
	"Ben B" <kernel@...cactii.net>
Cc:	<linux-kernel@...r.kernel.org>, <davej@...emonkey.org.uk>
Subject: RE: speedstep-centrino broke

 

>-----Original Message-----
>From: linux-kernel-owner@...r.kernel.org 
>[mailto:linux-kernel-owner@...r.kernel.org] On Behalf Of 
>Michiel de Boer
>Sent: Wednesday, September 13, 2006 12:28 AM
>To: Ben B
>Cc: linux-kernel@...r.kernel.org; davej@...emonkey.org.uk
>Subject: Re: speedstep-centrino broke
>
>Ben B wrote:
>> Hi,
>>
>> My HP notebook decided that its BIOS upgrade would break
>> speedstep-centrino, and trying to load the module gives me a "no such
>> device" error. This is with various combinations of kernel config
>> relating to cpufreq. Also tried acpi-cpufreq with the same error.
>>
>> I suspect that the new bios is broken, but perhaps it's 
>correct and the
>> linux driver is missing something?
>>
>> Anyway, relevent info below.
>>
>> Cheers,
>> Ben
>>   
>
>I have the same problem, running kernel 2.6.17.13, and also 
>get the 'No 
>such device' error.
>This problem doesn't occur when i boot 2.6.16.16, so the 
>behaviour must 
>have been introduced
>somewhere in between.
>

Just to confirm. Moving from 2.6.16.16 to 2.6.17.13 with no other change
to system (BIOS change) breaks the driver? Did you also try acpi-cpufreq
driver with 2.6.17.13?

Thanks,
Venki
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