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Date:      Thu, 14 Jul 2011 08:31:13 -0700
From:      Ed VanderPloeg <edv@agile.bc.ca>
To:        Andriy Gapon <avg@FreeBSD.org>
Cc:        freebsd-acpi@FreeBSD.org
Subject:   Re: Atom N270 - ACPI Error: [RTMP] Namespace lookup failure
Message-ID:  <4E1F0BC1.4030802@agile.bc.ca>
In-Reply-To: <4E117FE8.9030703@FreeBSD.org>
References:  <4E0A50AA.5000003@agile.bc.ca>	<4E0AF27B.3030600@FreeBSD.org>	<4E0B6873.6010901@agile.bc.ca>	<4E0B80BE.6080605@FreeBSD.org> <4E0CA533.5030104@agile.bc.ca> <4E0CE39C.5050307@FreeBSD.org> <4E0D4A15.6000904@agile.bc.ca> <4E0D5EA0.1020704@FreeBSD.org> <4E0E7F91.2050408@agile.bc.ca> <4E117FE8.9030703@FreeBSD.org>

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Could the system overheat, or get incorrectly shut down when acpi fails 
to get the current temperature?

What is the best way to work around this problem?  Setting a very high 
polling rate or disabling it inside loader.conf:

debug.acpi.disable="thermal"

In 2008 Kevin Foo thought it might not be safe to disable it:

http://unix.derkeiler.com/Mailing-Lists/FreeBSD/current/2008-01/msg00791.html

Or do I need to boot with ACPI disabled until a BIOS fix is available?

Ed

On 2011-07-04 1:55 AM, Andriy Gapon wrote:
> on 02/07/2011 05:16 Ed VanderPloeg said the following:
>>
>> # egrep '(^| )est' dmesg.8-release
>> est0:<Enhanced SpeedStep Frequency Control>  on cpu0
>> est: CPU supports Enhanced Speedstep, but is not recognized.
>> est: cpu_vendor GenuineIntel, msr 60f0c270600060f
>> device_attach: est0 attach returned 6
>> est1:<Enhanced SpeedStep Frequency Control>  on cpu1
>> est: CPU supports Enhanced Speedstep, but is not recognized.
>> est: cpu_vendor GenuineIntel, msr 60f0c270600060f
>> device_attach: est1 attach returned 6
>>
>> # egrep '(^| )est' dmesg.8-stable
>> est0:<Enhanced SpeedStep Frequency Control>  on cpu0
>> est1:<Enhanced SpeedStep Frequency Control>  on cpu1
>
> So this was improved.  Thanks!
>



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