linux-kernel - RE: speedstep-centrino: ENODEV

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Message-ID: <EB12A50964762B4D8111D55B764A8454C1A976@scsmsx413.amr.corp.intel.com>
Date:	Fri, 20 Oct 2006 05:25:00 -0700
From:	"Pallipadi, Venkatesh" <venkatesh.pallipadi@...el.com>
To:	Sune Mølgaard <sune@...gaard.org>
Cc:	"Jiri Slaby" <jirislaby@...il.com>,
	"Linux kernel mailing list" <linux-kernel@...r.kernel.org>,
	<linux-acpi@...r.kernel.org>
Subject: RE: speedstep-centrino: ENODEV

 

>-----Original Message-----
>From: Sune Mølgaard [mailto:sune@...gaard.org] 
>Sent: Friday, October 20, 2006 5:09 AM
>To: Pallipadi, Venkatesh
>Cc: Jiri Slaby; Linux kernel mailing list; linux-acpi@...r.kernel.org
>Subject: Re: speedstep-centrino: ENODEV
>
>Pallipadi, Venkatesh wrote:
>> 
>> Hmm... You must have CPU_FREQ_DENUG enabled in CONFIG 
>already. Can you pass cpufreq.debug=3 in boot option and send 
>me the output of dmesg after that.
>> 
>> Thanks,
>> Venki
>
>I am currently on 2.6.17.13 ubuntu version, that includes a lot of 
>2.6.18 code.
>
>It seems it tries to load acpi-cpufreq which complains about 
>cpu_online_map, bu I also tried explicitly to load speedstep-centrino, 
>which resulted in
>
>sune@...melise:~$ sudo modprobe speedstep-centrino
>Password:
>FATAL: Error inserting speedstep_centrino 
>(/lib/modules/2.6.17.13-ubuntu1-pentium4m-1/kernel/arch/i386/ke
rnel/cpu/cpufreq/speedstep-centrino.ko): 
>No such device
>sune@...melise:~$
>
>But nothing in dmesg, which is attached.
>

Puzzling.. 
Just to make sure, do you have CPU_FREQ_DEBUG enabled in your config and boot parameter? There are a bunch of dprintk debug messages in speedstep_centrino that should get printed in this case..
Do you have est flag displayed in your /proc/cpuinfo under flags?
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