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Date: Mon, 09 Jun 2008 00:05:07 +0200
From: Kris Kennaway <kris@FreeBSD.org>
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To: Eygene Ryabinkin <rea-fbsd@codelabs.ru>
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Cc: FreeBSD Current <freebsd-current@freebsd.org>
Subject: Re: est: CPU supports Enhanced Speedstep, but is not recognized.
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Eygene Ryabinkin wrote:
> Kris, good day.
> 
> Sun, May 25, 2008 at 08:42:05PM +0200, Kris Kennaway wrote:
>> For the past few months some of my machines have reported at boot:
>>
>> cpu0: <ACPI CPU> on acpi0
>> est0: <Enhanced SpeedStep Frequency Control> on cpu0
>> est: CPU supports Enhanced Speedstep, but is not recognized.
>> est: cpu_vendor GenuineIntel, msr 722072206000722
>> device_attach: est0 attach returned 6
>> p4tcc0: <CPU Frequency Thermal Control> on cpu0
>> cpu1: <ACPI CPU> on acpi0
>> est1: <Enhanced SpeedStep Frequency Control> on cpu1
>> est: CPU supports Enhanced Speedstep, but is not recognized.
>> est: cpu_vendor GenuineIntel, msr 722072206000722
>> device_attach: est1 attach returned 6
>> p4tcc1: <CPU Frequency Thermal Control> on cpu1
>> ...
>> (for every CPU).
>>
>> They were not previously this verbose.  What is going wrong?
> 
> Any chance that you have upgraded your BIOS or modified ACPI tables?
> This error message is present already for two years or so.  What
> CPUs do you have?  I assume it is on -CURRENT?
> 
> The message comes from sys/i386/cpufreq/est.c:1066, revision 1.16.
> And your trouble most probably comes from est_acpi_info() that does
> not return the list of frequencies.  I am seeing this for the
> dual-core Intel CPUs, but only the second core is not recognized,
> the first one is OK.

It is a number of different systems (dual 4-core xeon).  They all appear 
to be working properly.

Kris