From: Dave Jones <davej@redhat.com>
To: Eric Sandall <eric@sandall.us>
Cc: linux-kernel@vger.kernel.org, Mattia Dongili <malattia@linux.it>
Subject: Re: cpufreq and kernel >2.6.15.6 is limited
Date: Tue, 30 May 2006 20:40:40 -0400 [thread overview]
Message-ID: <20060531004040.GI13966@redhat.com> (raw)
In-Reply-To: <447CE276.5080808@sandall.us>
On Tue, May 30, 2006 at 05:25:26PM -0700, Eric Sandall wrote:
> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA1
>
> It seems that any kernel on my Dell Inspiron 5100 after 2.6.15.6
> (including 2.6.17-rc5) 'breaks' my cpufreq in that up to and including
> 2.6.15.6 I can scale between 300MHz-2.4GHz, but after (starting with
> 2.6.16) I can only scale between 2.1GHz and 2.4GHz.
>
> I've attached the files, sorted by kernel, I assume may be helpful. Let
> me know if you need any more.
It may have worked in the past, but the CPU has an errata which makes
it an unsafe operation to scale below 2GHz.
Dave
--
http://www.codemonkey.org.uk
next prev parent reply other threads:[~2006-05-31 0:40 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-05-31 0:25 cpufreq and kernel >2.6.15.6 is limited Eric Sandall
2006-05-31 0:40 ` Dave Jones [this message]
[not found] <6imLa-3G2-11@gated-at.bofh.it>
[not found] ` <6in4s-44o-13@gated-at.bofh.it>
2006-05-31 3:51 ` Robert Hancock
2006-05-31 23:30 ` Eric Sandall
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