linux-kernel - RE: Intel 8100 Error inserting acpi

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Message-ID: <7E82351C108FA840AB1866AC776AEC4606577D9A@orsmsx505.amr.corp.intel.com>
Date:	Wed, 25 Jun 2008 15:46:21 -0700
From:	"Pallipadi, Venkatesh" <venkatesh.pallipadi@...el.com>
To:	"caglar@...dus.org.tr" <caglar@...dus.org.tr>,
	Dave Jones <davej@...hat.com>
CC:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	Len Brown <lenb@...nel.org>
Subject: RE: Intel 8100 Error inserting acpi_cpufreq



Most likely BIOS is not exporting relevant ACPI tables for the driver to detect the frequencies and such.
Latest BIOS and enabling Speedstep in BIOS options will be the things to check.

Thanks,
Venki

>-----Original Message-----
>From: linux-kernel-owner@...r.kernel.org
>[mailto:linux-kernel-owner@...r.kernel.org] On Behalf Of S.Çaglar Onur
>Sent: Tuesday, June 24, 2008 10:25 AM
>To: Dave Jones
>Cc: linux-kernel@...r.kernel.org; Len Brown
>Subject: Intel 8100 Error inserting acpi_cpufreq
>
>Hi;
>
>We received a bug report from one of our users, reporter says
>"modprobe acpi-cpufreq" ends up with following
>
>FATAL: Error inserting acpi_cpufreq
>(/lib/modules/2.6.25.5-97/kernel/arch/x86/kernel/cpu/cpufreq/ac
>pi-cpufreq.ko):
>No such device
>
>and after that try dmesg [1] starts to show
>
>[...]
>ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready
>padlock: VIA PadLock not detected.
>wlan0: no IPv6 routers present
>ACPI Error (psargs-0355): [\_PR_.CPU0._PSS] Namespace lookup
>failure, AE_NOT_FOUND
>ACPI Error (psparse-0537): Method parse/execution failed
>[\_PR_.CPU1._PSS] (Node f74c7060), AE_NOT_FOUND
>ACPI Exception (processor_perflib-0255): AE_NOT_FOUND,
>Evaluating _PSS  [20070126]
>[...]
>
>Although original report against 2.6.25.5 reporter also tried
>2.6.25.8 without success.
>
>Any tips really appreciated and if anything else is needed
>please just tell...
>
>[1] http://bugs.pardus.org.tr/attachment.cgi?id=2801
>
>Cheers
>--
>S.Çağlar Onur <caglar@...dus.org.tr>
>http://cekirdek.pardus.org.tr/~caglar/
>
>Linux is like living in a teepee. No Windows, no Gates and an
>Apache in house!
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