linux-kernel - Re: AMD Quad Core clock problem?

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Message-ID: <480415AB.2070308@zytor.com>
Date:	Mon, 14 Apr 2008 19:40:43 -0700
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Krzysztof Halasa <khc@...waw.pl>
CC:	Lennart Sorensen <lsorense@...lub.uwaterloo.ca>,
	Marc Perkel <mperkel@...oo.com>,
	Chris Snook <csnook@...hat.com>, linux-kernel@...r.kernel.org
Subject: Re: AMD Quad Core clock problem?

Krzysztof Halasa wrote:
> "H. Peter Anvin" <hpa@...or.com> writes:
> 
>> It shouldn't really matter, since "below" produces a similar spectrum
>> at a slightly lower frequency.
> 
> Sure for CPU/TSC and similar clocks but in case of well-known (not
> calibrated) frequency it could be a problem. Not sure if there are
> such cases.

There is - the 14.31818 MHz clock, but as previously noted it is 
generally not spread.  If *that* clock is spread I would expect problems.

	-hpa
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