linux-kernel - Re: cpufreq doesn't seem to work in Intel Q9300

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Message-ID: <514e099a0808102144n241c8e9ak255bded0a80744f1@mail.gmail.com>
Date:	Sun, 10 Aug 2008 21:44:50 -0700
From:	"S K" <nospamnoham@...il.com>
To:	"Zhao Yakui" <yakui.zhao@...el.com>
Cc:	"Thomas Renninger" <trenn@...e.de>,
	"Alan Jenkins" <alan-jenkins@...fmail.co.uk>,
	linux-kernel@...r.kernel.org, linux-acpi@...r.kernel.org
Subject: Re: cpufreq doesn't seem to work in Intel Q9300

>> So I'm guessing this is a kernel bug.
> >From the attached acpidump it seems that there is no definition of
> _PCT,_PSS, _PPC. So acpi_cpufreq driver can't be used on your machine.
> This is a BIOS issue.

Yakui, Did you actually check if the above was true?

>
> But it is very strange that cpufreq scaling can work on Windows XP.
> Will you please try the P4 clock cpufreq driver and see whether the
> scaling can work ? In fact P4 clock cpufreq driver is already replaced
> by acpi_cpufreq driver for the latest cpu.
> Anyway please try p4 clock cpufreq driver.

What is the name of the driver? I'm not able to find any such driver
in Fedora 9 installed modules. There is only acpi-cpufreq and powernow-k8.

Also, If someone doesn't mind, can they tell me what all files I need to
replace in Fedora 9 once I get a kernel.org kernel compiled? I know
how to edit grub.conf,
and that I should replace vmlinuz, but do I need to replace initrd too?

Thanks,
SK
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