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Date:      Wed, 30 Nov 2011 18:55:24 -0500
From:      Jung-uk Kim <jkim@FreeBSD.org>
To:        freebsd-current@FreeBSD.org
Cc:        Sean Bruno <seanbru@yahoo-inc.com>, Andriy Gapon <avg@freebsd.org>
Subject:   Re: Console Spam:  acpi_tz0: _TMP value is absurd, ignored (-73.0C)
Message-ID:  <201111301855.27646.jkim@FreeBSD.org>
In-Reply-To: <4ED6BF01.2080602@FreeBSD.org>
References:  <1322695365.2764.9.camel@hitfishpass-lx.corp.yahoo.com> <4ED6BF01.2080602@FreeBSD.org>

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On Wednesday 30 November 2011 06:40 pm, Andriy Gapon wrote:
> on 01/12/2011 01:22 Sean Bruno said the following:
> > I have a Shuttle based intel box that appears to have some pretty
> > bad ACPI implementation.  Is there a good way to quiesce this
> > spam?
>
> Ask on acpi@ list.
> Kidding :-) or not.
> Try hw.acpi.thermal.polling_rate=0.

Adding the following line in /boot/loader.conf will disable 
acpi_thermal(4) completely:

debug.acpi.disabled="thermal"

Jung-uk Kim

> > The console fills up with repeated warnings that never cease.
> > FreeBSD testbox 10.0-CURRENT FreeBSD 10.0-CURRENT #0 r228164S:
> > Wed Nov 30 16:19:16 PST 2011
> > sbruno@testbox:/tmp/foo/bsd/head/sys/GENERIC_NO_1394  amd64
> >
> > [sbruno@testbox ~]$ sysctl -a |grep thermal
> > "Giant","ACPI thermal zone"
> > hw.acpi.thermal.min_runtime: 0
> > hw.acpi.thermal.polling_rate: 10
> > hw.acpi.thermal.user_override: 0
> > hw.acpi.thermal.tz0.temperature: -273.2C
> > hw.acpi.thermal.tz0.active: -2
> > hw.acpi.thermal.tz0.passive_cooling: 1
> > hw.acpi.thermal.tz0.thermal_flags: 0
> > hw.acpi.thermal.tz0._PSV: 50.0C
> > hw.acpi.thermal.tz0._HOT: -1
> > hw.acpi.thermal.tz0._CRT: 60.0C
> > hw.acpi.thermal.tz0._ACx: 50.0C -1 -1 -1 -1 -1 -1 -1 -1 -1
> > hw.acpi.thermal.tz0._TC1: 4
> > hw.acpi.thermal.tz0._TC2: 3
> > hw.acpi.thermal.tz0._TSP: 60
> > ...
> > dev.acpi_tz.0.%desc: Thermal Zone
> > dev.acpi_tz.0.%driver: acpi_tz
> > dev.acpi_tz.0.%location: handle=\_TZ_.THRM
> > dev.acpi_tz.0.%pnpinfo: _HID=none _UID=0
> > dev.acpi_tz.0.%parent: acpi0



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