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Date:      Wed, 30 Nov 2011 15:22:45 -0800
From:      Sean Bruno <seanbru@yahoo-inc.com>
To:        "freebsd-current@freebsd.org" <freebsd-current@freebsd.org>
Subject:   Console Spam:  acpi_tz0: _TMP value is absurd, ignored (-73.0C)
Message-ID:  <1322695365.2764.9.camel@hitfishpass-lx.corp.yahoo.com>

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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?

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

Sean




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