Date: Wed, 05 Aug 2009 14:04:18 +0200 From: Erik Norgaard <norgaard@locolomo.org> To: Unga <unga888@yahoo.com> Cc: freebsd-questions@freebsd.org Subject: Re: How to find real CPU temperature? Message-ID: <4A797542.4070108@locolomo.org> In-Reply-To: <876629.40221.qm@web57003.mail.re3.yahoo.com> References: <876629.40221.qm@web57003.mail.re3.yahoo.com>
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Unga wrote: > Here is what it show on my computer: > > sysctl -a | grep hw.acpi.thermal > hw.acpi.thermal.min_runtime: 0 > hw.acpi.thermal.polling_rate: 10 > hw.acpi.thermal.user_override: 0 > hw.acpi.thermal.tz0.temperature: 19.0C > hw.acpi.thermal.tz0.active: -1 > hw.acpi.thermal.tz0.passive_cooling: 1 > hw.acpi.thermal.tz0.thermal_flags: 0 > hw.acpi.thermal.tz0._PSV: 90.0C > hw.acpi.thermal.tz0._HOT: -1 > hw.acpi.thermal.tz0._CRT: 90.0C > hw.acpi.thermal.tz0._ACx: 90.0C -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 > > so which is the CPU temperature, 19.0C or 90.0C? Where does it documented what hw.acpi.thermal.tz0.temperature means? From that it appears the kernel can't read the temperature sensor, this may be a problem with the ACPI not being properly supported for your processor. The 90.0C entries are different entries that take action against overheating, if the temperature reaches 90 putting your system to sleep or throtling down speed. BR, Erik -- Erik Nørgaard Ph: +34.666334818/+34.915211157 http://www.locolomo.org
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