From owner-freebsd-questions@FreeBSD.ORG Wed Aug 5 11:42:14 2009 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 39787106564A for ; Wed, 5 Aug 2009 11:42:13 +0000 (UTC) (envelope-from unga888@yahoo.com) Received: from web57003.mail.re3.yahoo.com (web57003.mail.re3.yahoo.com [66.196.97.107]) by mx1.freebsd.org (Postfix) with SMTP id 987D48FC17 for ; Wed, 5 Aug 2009 11:42:13 +0000 (UTC) (envelope-from unga888@yahoo.com) Received: (qmail 35482 invoked by uid 60001); 5 Aug 2009 11:42:12 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s1024; t=1249472532; bh=6R2o0sAn95Gx3BmaVzeaQAE3jUl/GSYmu00UeNauczw=; h=Message-ID:X-YMail-OSG:Received:X-Mailer:Date:From:Subject:To:Cc:In-Reply-To:MIME-Version:Content-Type; b=u/BmdPNtB46jwfqfCNLxQQu6LSytdPBAFxHnNyQoIZWYcqJRSk7xF9OBQC36JfeincFCYckDoLu8lZpUOyDpTIy6XQ/dvoXKmFaotkE1bBjoibWJigym8xhC5tSq5ZLwAvt5GZTf8NRbqHiYyFDlYN9+bN5q3zWOtoI/1F9QTO0= DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=s1024; d=yahoo.com; h=Message-ID:X-YMail-OSG:Received:X-Mailer:Date:From:Subject:To:Cc:In-Reply-To:MIME-Version:Content-Type; b=YIxlB3giwTsAp42fsv7lgCNQmH5UeIYdQkEySsXgpdvBNu6TvhH0ispLFeo07cuyyHpkLFiZQlL1Z2gQxD3AYEy82C0zRvo9pkRH5yOZqzGNxCR/RGEaI2eo4FyvKcuHxQez+uwxTZGO2oe856n+1UO0y3tuV136xJPPvFh0kmY=; Message-ID: <876629.40221.qm@web57003.mail.re3.yahoo.com> X-YMail-OSG: a15RPsYVM1lTD6e6Ky_khJ75pcBgPh2zp_SW51dY868B7KmNI.619egGKSb.T6PKmO_biuT1s98TVYBQcUmj2z1OJ5Kn8GVgpZ_aMhbccZ92oYyQEClBPN6Vg1PoEKeex23kyRSteYb8VgMBYSspot7PumwTZZnIf4rhmzEBblX6VY1BvifmvYWtSAL77I_siLNk_FI3_eFW.sP8gKfdYwTKAQ3aDsVE5mlFnRKsnR2KzqXhP8aUdk2SmGL_ubZAbvjBzqNwqlTGqXwpGV8.zeyA6bNZ_G_SGUKPPoTc.tIjeJqhLt_ti56G7MWSPoSzmfA42tc200Lhl38ZjayMLkQOKA-- Received: from [220.255.7.108] by web57003.mail.re3.yahoo.com via HTTP; Wed, 05 Aug 2009 04:42:12 PDT X-Mailer: YahooMailClassic/6.1.2 YahooMailWebService/0.7.338.2 Date: Wed, 5 Aug 2009 04:42:12 -0700 (PDT) From: Unga To: Erik Norgaard In-Reply-To: <4A7966E7.9050601@locolomo.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Cc: freebsd-questions@freebsd.org Subject: Re: How to find real CPU temperature? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 05 Aug 2009 11:42:14 -0000 --- On Wed, 8/5/09, Erik Norgaard wrote: > From: Erik Norgaard > Subject: Re: How to find real CPU temperature? > To: "Unga" > Cc: freebsd-questions@freebsd.org > Date: Wednesday, August 5, 2009, 7:03 PM > Unga wrote: > > Hi all > > > > I'm running FreeBSD 7.2 on Intel P4 computer. > > > > The "lmmon -i" shows 21C and when go to BIOS shows > 65C! BIOS reading seems to be correct as the CPU heat pipe > is very hot to the extent cannot touch. > > > > How do I read the real BIOS temperature readings when > FreeBSD is running to check whether the computer is over > heating? > > $ sysctl hw.acpi.thermal.tz0.temperature > > on my computer shows 56C 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? Unga