From owner-freebsd-stable@FreeBSD.ORG Mon Aug 27 14:44:24 2012 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 335401065674 for ; Mon, 27 Aug 2012 14:44:24 +0000 (UTC) (envelope-from christian.mangin@gmail.com) Received: from mail-iy0-f182.google.com (mail-iy0-f182.google.com [209.85.210.182]) by mx1.freebsd.org (Postfix) with ESMTP id E9FFA8FC20 for ; Mon, 27 Aug 2012 14:44:23 +0000 (UTC) Received: by ialo14 with SMTP id o14so10554040ial.13 for ; Mon, 27 Aug 2012 07:44:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=message-id:date:from:user-agent:mime-version:to:cc:subject :references:in-reply-to:x-enigmail-version:content-type :content-transfer-encoding; bh=KLOPFxnshcPU76kkRruVGki0gupfdr5o9TtQXk6AskA=; b=sYuasr6UTGsaIEsY+9S5aZUMK6X5ffDyjx8xecNsZNMuXdFBMHkFkW11RT8ggPvlLH gjvcphm/XuOCA/9o4y8VhrRJdvcYDghxtGkSNvIn4TT9U0olHoIGNwAp9VV8Wv/ZBUSz Ov/cPKh/9+ASAaJHuvnZVZ+xCNKlaAVKfxCxJIRZsCqgQdYA4ubaipUXYvTb2Xw8gOKo 47sYTfsOT+kBCr+faNoDAr3Goscm3Sntbglbk3b0LLboOfUNNueLJW8B5NHXHnGXp85L H2yAi2/yEYr69qRxOVBK6F2hQwrxuo5X5Csv702XpW+PIje5DVPOPMpQzBARbSO8QLSy mlSQ== Received: by 10.50.159.130 with SMTP id xc2mr10472181igb.33.1346078663078; Mon, 27 Aug 2012 07:44:23 -0700 (PDT) Received: from [192.168.80.173] (cable-10-157-60.b2b2c.ca. [72.10.157.60]) by mx.google.com with ESMTPS id ce10sm6607371igb.1.2012.08.27.07.44.22 (version=SSLv3 cipher=OTHER); Mon, 27 Aug 2012 07:44:22 -0700 (PDT) Message-ID: <503B87C2.5080308@gmail.com> Date: Mon, 27 Aug 2012 10:44:18 -0400 From: Christian Mangin User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:14.0) Gecko/20120809 Thunderbird/14.0 MIME-Version: 1.0 To: Mike Manilone References: <503B6BCB.10407@gmx.us> In-Reply-To: <503B6BCB.10407@gmx.us> X-Enigmail-Version: 1.4.3 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit Cc: freebsd-stable@freebsd.org Subject: Re: Temperature too high when high overload X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 27 Aug 2012 14:44:24 -0000 Le 27.08.2012 08:44, Mike Manilone a écrit : > Hi all, > > I just switched from Fedora Linux to FreeBSD. But I noticed a problem, > the CPU temperature will be very high when the load is high. > Especially while I am building C++ programs. It shut down for even 3 > times while I was building Firefox/Thunderbird, just because of high > temperature (86.5C). > > One of my friends told me, "FreeBSD doesn't support your ACPI well" > but I noticed that while I'm not compiling ports, the temperature will > be not too high. > > Just now I'm building LLVM, here's what I've seen: > > > sysctl hw.acpi.thermal.tz0.temperature > hw.acpi.thermal.tz0.temperature: 84.5C > > pkill make > > sysctl hw.acpi.thermal.tz0.temperature > hw.acpi.thermal.tz0.temperature: 67.5C > > I'm using Dell Vostro 3400 laptop PC with FreeBSD 9.1-RC1. > > uname -a > FreeBSD bsd.laptop.mike 9.1-RC1 FreeBSD 9.1-RC1 #0: Tue Aug 14 > 04:25:06 UTC 2012 > root@farrell.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC amd64 > > There's my dmesg message: http://slexy.org/view/s21b7xTTsu > > Anyone knows how to fix this problem? Thank you. > > Yours Sincerely, > Mike Manilone > _______________________________________________ > freebsd-stable@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-stable > To unsubscribe, send any mail to "freebsd-stable-unsubscribe@freebsd.org" Hello, I used to have the same problem with my laptop (i5) and this can be fixed by lowering the temperature threshold for passive cooling. (_PSV) hw.acpi.thermal.user_override=1 hw.acpi.thermal.tz0._PSV=80C You should try to adjust _PSV to be significantly lower (> 15-20C) than the _CRT (critical shutdown temp) so that _CRT is never reached. Christian