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Date: Wed, 23 Feb 2005 11:25:52 -0800
From: Nate Lawson <nate@root.org>
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To: Kevin Oberman <oberman@es.net>
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cc: acpi@freebsd.org
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Subject: Re: patch: p4tcc and speedstep cpufreq drivers
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Kevin Oberman wrote:
> 
> Well, it all seems working, but the performance is not proportional to
> the "frequency". I am attaching the results of testing. The fist column
> is value of freq and the second is the transfer rate from dd to md5.
> 
> FWIW, when I did have TCC working I had 31 freq_levels, but if I set the
> freq below about 200, my system freezes and requires a hard power
> cycle. I am running ULE but no PREEMPTION. The exact point at which it
> locks up is not consistent.

Please cvsup and test.  I imported a bugfixed version of p4tcc.  I've 
run an R32 at 50 Mhz, no problems.

-- 
Nate