From owner-freebsd-questions@FreeBSD.ORG Tue May 1 12:41:12 2012 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 F320A106564A for ; Tue, 1 May 2012 12:41:12 +0000 (UTC) (envelope-from mexas@bristol.ac.uk) Received: from dirj.bris.ac.uk (dirj.bris.ac.uk [137.222.10.78]) by mx1.freebsd.org (Postfix) with ESMTP id A91238FC12 for ; Tue, 1 May 2012 12:41:12 +0000 (UTC) Received: from ncsd.bris.ac.uk ([137.222.10.59] helo=ncs.bris.ac.uk) by dirj.bris.ac.uk with esmtp (Exim 4.72) (envelope-from ) id 1SPCOF-0005QC-Pm; Tue, 01 May 2012 13:41:12 +0100 Received: from mech-cluster241.men.bris.ac.uk ([137.222.187.241]) by ncs.bris.ac.uk with esmtpsa (TLSv1:AES256-SHA:256) (Exim 4.72) (envelope-from ) id 1SPCOF-0000Bd-Gj; Tue, 01 May 2012 13:41:11 +0100 Received: from mech-cluster241.men.bris.ac.uk (localhost [127.0.0.1]) by mech-cluster241.men.bris.ac.uk (8.14.5/8.14.5) with ESMTP id q41CfBC0005027; Tue, 1 May 2012 13:41:11 +0100 (BST) (envelope-from mexas@bris.ac.uk) Received: (from mexas@localhost) by mech-cluster241.men.bris.ac.uk (8.14.5/8.14.5/Submit) id q41CfBWw005026; Tue, 1 May 2012 13:41:11 +0100 (BST) (envelope-from mexas@bris.ac.uk) X-Authentication-Warning: mech-cluster241.men.bris.ac.uk: mexas set sender to mexas@bris.ac.uk using -f Date: Tue, 1 May 2012 13:41:11 +0100 From: Anton Shterenlikht To: Alejandro Imass Message-ID: <20120501124110.GB5007@mech-cluster241.men.bris.ac.uk> Mail-Followup-To: Alejandro Imass , freebsd-questions@freebsd.org References: <20120501120654.GA4883@mech-cluster241.men.bris.ac.uk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.4.2.3i Cc: freebsd-questions@freebsd.org Subject: Re: laptop very hot and noisy 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: Tue, 01 May 2012 12:41:13 -0000 On Tue, May 01, 2012 at 08:25:11AM -0400, Alejandro Imass wrote: > On Tue, May 1, 2012 at 8:06 AM, Anton Shterenlikht wrote: > > I run 10-current on Compaq 6715s. > > It's very hot and noisy. If I boot > > in verbose mode, I get lots of: > > > > acpi_tz0: _AC2: temperature 92.0 >= setpoint 50.0 > > acpi_tz0: _AC1: temperature 92.0 >= setpoint 60.0 > > acpi_tz0: _AC3: temperature 92.0 >= setpoint 40.0 > > acpi_tz0: _AC2: temperature 92.0 >= setpoint 50.0 > > acpi_tz0: _AC1: temperature 92.0 >= setpoint 60.0 > > > > at the console. > > > > I guess it's telling me that the CPU is too hot? > > > > Is that normal, e.g. under "make -j4 buildworld"? > > > > Probably not. I had a laptop with similar symptom when I was compiling > stuff. I took it apart, cleaned it and thought that maybe these log > messages were normal under stress. The CPU eventually fried and only > then I took a real close look and the heatsink had a very tiny little > hole where the fluid escaped, but it was not at all apparent at first > sight. These liquid (or gel?) filled heatsinks are basically useless > if the liquid escapes or evaporates so it will usually only show when > you are using the CPU a lot. I didn't even know they put fluid heatsinks in laptop. I thought this was something from IBM cutting edge power6 chips. So I might need to pull the laptop apart.. I'm just not sure I could put it back together... Thanks anyway -- Anton Shterenlikht Room 2.6, Queen's Building Mech Eng Dept Bristol University University Walk, Bristol BS8 1TR, UK Tel: +44 (0)117 331 5944 Fax: +44 (0)117 929 4423