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Date: Thu, 01 Dec 2011 01:40:49 +0200
From: Andriy Gapon <avg@FreeBSD.org>
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Cc: "freebsd-current@freebsd.org" <freebsd-current@FreeBSD.org>,
	Sean Bruno <seanbru@yahoo-inc.com>
Subject: Re: Console Spam:  acpi_tz0: _TMP value is absurd, ignored (-73.0C)
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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.

> 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

-- 
Andriy Gapon