linux-kernel - RE: speedstep-centrino: ENODEV

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Message-ID: <EB12A50964762B4D8111D55B764A8454C1A4AF@scsmsx413.amr.corp.intel.com>
Date:	Thu, 19 Oct 2006 11:21:08 -0700
From:	"Pallipadi, Venkatesh" <venkatesh.pallipadi@...el.com>
To:	"Jiri Slaby" <jirislaby@...il.com>
Cc:	Sune Mølgaard <sune@...gaard.org>,
	"Linux kernel mailing list" <linux-kernel@...r.kernel.org>,
	<linux-acpi@...r.kernel.org>
Subject: RE: speedstep-centrino: ENODEV

>
>> Also, can both of you send the complete acpidump output from 
>your system. You can find acpidump in latest version of 
>pmtools package here: 
>http://www.kernel.org/pub/linux/kernel/people/lenb/acpi/utils/
>
>May be obtained over there:
>
>[...]
>
>>>>> processor, but speedstep-centrino returns ENODEV because of 
>>>>> lack of _PCT et al 
>>>>> entries in DSDT (http://www.fi.muni.cz/~xslaby/sklad/adump). 
>----------------------^^^^
>

Looking at the acpidump, looks like BIOS doesn't have this feature enabled. Can you also make sure you have latest BIOS for the platform and also, check in BIOS whether there are any options to enable this feature.

Thanks,
Venki
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