From: Dave Jones <davej@redhat.com>
To: Tony Lindgren <tony@atomide.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] powernow-k8 max speed sanity check
Date: Sat, 31 Jan 2004 23:19:18 +0000 [thread overview]
Message-ID: <20040131231918.GL20622@redhat.com> (raw)
In-Reply-To: <20040131203512.GA21909@atomide.com>
On Sat, Jan 31, 2004 at 12:35:12PM -0800, Tony Lindgren wrote:
> Hi all,
>
> Following is a little patch to do a sanity check on the max speed and
> voltage values provided by the bios.
>
> Some buggy bioses provide bad values if the cpu changes, for example, in
> my case the bios claims the max cpu speed is 1600MHz, while it's running at
> 1800MHz. (Cheapo Emachines m6805 you know...) This could also happen on
> machines where the cpu is upgraded.
>
> These checks should be safe, as they only change things if the machine is
> already running at a higher speed than the bios claims.
ye gads, yet another problem with eMachines PST tables.
Conclusive proof I think that we need the 'read from ACPI P state tables
when PST contains garbage' patch.
Dave
next prev parent reply other threads:[~2004-01-31 23:21 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-01-31 20:35 [PATCH] powernow-k8 max speed sanity check Tony Lindgren
2004-01-31 23:19 ` Dave Jones [this message]
2004-02-03 13:14 ` Pavel Machek
2004-02-05 18:17 ` Tony Lindgren
2004-02-05 18:48 ` Pavel Machek
2004-02-05 19:36 ` Tony Lindgren
2004-02-05 21:33 ` Tony Lindgren
2004-02-05 21:38 ` Pavel Machek
2004-02-05 21:56 ` Tony Lindgren
2004-02-06 0:28 ` Pavel Machek
2004-02-06 1:15 ` Tony Lindgren
2004-02-06 12:56 ` Pavel Machek
2004-02-06 17:28 ` Tony Lindgren
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