From owner-freebsd-questions@FreeBSD.ORG Wed Jun 22 16:52:23 2005 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 7892516A41C for ; Wed, 22 Jun 2005 16:52:23 +0000 (GMT) (envelope-from flanagan.matt@gmail.com) Received: from zproxy.gmail.com (zproxy.gmail.com [64.233.162.195]) by mx1.FreeBSD.org (Postfix) with ESMTP id 4056B43D49 for ; Wed, 22 Jun 2005 16:52:23 +0000 (GMT) (envelope-from flanagan.matt@gmail.com) Received: by zproxy.gmail.com with SMTP id 16so451829nzp for ; Wed, 22 Jun 2005 09:52:22 -0700 (PDT) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:reply-to:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=ZQEycIf7m2LUng3aZFIrvOZvaAe3tfbpHEF57SPDApHBVkcE+F+n4DGpwvtUC2M96jJp9MMcwNq+l3O4VxVAjqsUQ1IItJy83HrBxR2c9uB85q0fxShA7SLE8PpPDv6W5ipoG74vR4K2huuq1fMQmOKHxF4jc575bekRRSshpjE= Received: by 10.36.34.15 with SMTP id h15mr660967nzh; Wed, 22 Jun 2005 09:52:22 -0700 (PDT) Received: by 10.36.126.4 with HTTP; Wed, 22 Jun 2005 09:52:22 -0700 (PDT) Message-ID: <7cd06a2d050622095256dfe43a@mail.gmail.com> Date: Wed, 22 Jun 2005 13:52:22 -0300 From: Matthew Flanagan To: Lowell Gilbert In-Reply-To: <44br5y5r8o.fsf@be-well.ilk.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline References: <7cd06a2d05062205331d03372c@mail.gmail.com> <44br5y5r8o.fsf@be-well.ilk.org> Cc: freebsd-questions@freebsd.org Subject: Re: Raising temperature threshold X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Matthew Flanagan List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 22 Jun 2005 16:52:23 -0000 On 22 Jun 2005 11:46:31 -0400, Lowell Gilbert wrote: > Matthew Flanagan writes: >=20 > > I`ve installed a FreeBSD 5.4-STABLE and I was building some ports when= =20 > > suddenly my system shut down. Upon rebooting it and checking=20 > > /var/log/messages, I found the following lines: > >=20 > > Jun 21 16:01:30 bell root: WARNING: system temperature too high, > > shutting down soon! > > Jun 21 16:01:40 bell kernel: acpi_tz0: WARNING - current temperature > > (60.0C) exceeds safe limits > >=20 > > Then I realized what had happened. My acpi_thermal sysctl's are: > >=20 > > hw.acpi.thermal.min_runtime: 0 > > hw.acpi.thermal.polling_rate: 10 > > hw.acpi.thermal.tz0.temperature: 50.0C > > hw.acpi.thermal.tz0.active: 0 > > hw.acpi.thermal.tz0.thermal_flags: 1 > > 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 > >=20 > > When I try to raise hw.acpi.thermal.tz0._CRT to 85C (which is the > threshold in > > the BIOS setup) it doesn't work: > >=20 > > bell# sysctl hw.acpi.thermal.tz0._CRT=3D3580 # 3580 tenths of Kelvin= =3D85C > > sysctl: oid 'hw.acpi.thermal.tz0._CRT' is read only > >=20 > > I've tried /etc/sysctl.conf as well, but I get the same error. > >=20 > > Now, my question is: how do I change this value? I've read several > manpages > > (acpi(4), acpi_thermal(4), acpiconf(8), and many others) and checked th= e > > handbook, to no avail. Can anyone point me to the right direction? >=20 > Can it be set at boot time? [from the loader?] Perhaps, but loader(8) lists the kernel tunable parameters available, and hw.acpi.thermal.tz%d._CRT isn't one of them. Cheers, Matt