linux-kernel - Re: cpuinfo shows wrong MHz value

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Message-ID: <20090216190100.GA10627@srcf.ucam.org>
Date:	Mon, 16 Feb 2009 19:01:00 +0000
From:	Matthew Garrett <mjg59@...f.ucam.org>
To:	Frans Pop <elendil@...net.nl>
Cc:	trenn@...e.de, linux-kernel@...r.kernel.org
Subject: Re: cpuinfo shows wrong MHz value

On Mon, Feb 16, 2009 at 07:52:37PM +0100, Frans Pop wrote:
> Matthew Garrett wrote:
> > On Mon, Feb 16, 2009 at 07:13:15PM +0100, Thomas Renninger wrote:
> >> AFAIK p4-clockmode is still not synchronized with ACPI throttling?
> > 
> > It ought to work fine with any systems using MSR-based throttling.
> 
> So what's your take on this particular bug report then Matthew? Is this a 
> regression that should be tracked down and fixed, or is this a case where 
> the user should just not be using the module?

It's a bug and it should be fixed. My recollection is that we've hit 
this kind of thing before - the frequency calculation code is awkward to 
get right on this hardware.

-- 
Matthew Garrett | mjg59@...f.ucam.org
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