From owner-freebsd-questions@FreeBSD.ORG Mon Jan 16 18:02:07 2006 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 A745E16A41F for ; Mon, 16 Jan 2006 18:02:07 +0000 (GMT) (envelope-from bob@immure.com) Received: from ylpvm29.prodigy.net (ylpvm29-ext.prodigy.net [207.115.57.60]) by mx1.FreeBSD.org (Postfix) with ESMTP id E7E6943D45 for ; Mon, 16 Jan 2006 18:02:06 +0000 (GMT) (envelope-from bob@immure.com) Received: from pimout3-ext.prodigy.net (pimout3-int.prodigy.net [207.115.4.218]) by ylpvm29.prodigy.net (8.12.10 outbound/8.12.10) with ESMTP id k0GI20ri019050 for ; Mon, 16 Jan 2006 13:02:00 -0500 X-ORBL: [66.136.206.1] Received: from maul.immure.com (adsl-66-136-206-1.dsl.austtx.swbell.net [66.136.206.1]) by pimout3-ext.prodigy.net (8.13.4 outbound domainkey aix/8.13.4) with ESMTP id k0GI1xIN164808; Mon, 16 Jan 2006 13:02:00 -0500 Received: from rancor.immure.com (rancor.immure.com [10.1.132.9]) by maul.immure.com (8.13.4/8.13.4) with ESMTP id k0GI1sLc071971; Mon, 16 Jan 2006 12:01:54 -0600 (CST) (envelope-from bob@immure.com) Received: from rancor.immure.com (localhost.immure.com [127.0.0.1]) by rancor.immure.com (8.13.4/8.13.4) with ESMTP id k0GI1sBo028549; Mon, 16 Jan 2006 12:01:54 -0600 (CST) (envelope-from bob@rancor.immure.com) Received: (from bob@localhost) by rancor.immure.com (8.13.4/8.13.1/Submit) id k0GI1sIC028548; Mon, 16 Jan 2006 12:01:54 -0600 (CST) (envelope-from bob) Date: Mon, 16 Jan 2006 12:01:54 -0600 From: Bob Willcox To: chris@i13i.com Message-ID: <20060116180154.GA28506@rancor.immure.com> References: <7cd06a2d05062205331d03372c@mail.gmail.com> <44br5y5r8o.fsf@be-well.ilk.org> <7cd06a2d050622095256dfe43a@mail.gmail.com> <20060116142643.GA22152@rancor.immure.com> <53011.195.139.252.5.1137433899.squirrel@webmail.i13i.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <53011.195.139.252.5.1137433899.squirrel@webmail.i13i.com> User-Agent: Mutt/1.5.11 X-immure-MailScanner-Information: Please contact the ISP for more information X-immure-MailScanner: Found to be clean X-MailScanner-From: bob@immure.com Cc: Lowell Gilbert , freebsd-questions@freebsd.org, Matthew Flanagan Subject: Re: Raising temperature threshold X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: Bob Willcox List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 16 Jan 2006 18:02:07 -0000 On Mon, Jan 16, 2006 at 11:51:39AM -0600, chris@i13i.com wrote: > Some sysctl's can not be changed on a running system try reading the > defaults/loader.conf in /boot/ see if you can change the acpi thermal > setting in there if not just add those sysctl with a = 50C etc.. to > loader.conf and reboot This didn't seem to work. I tried putting the following: hw.acpi.thermal.tz0._CRT=70 into both /boot/loader.conf and /etc/sysctl.conf to no avail (value remained at 60). Bob > > > > On Wed, Jun 22, 2005 at 01:52:22PM -0300, Matthew Flanagan wrote: > >> On 22 Jun 2005 11:46:31 -0400, Lowell Gilbert > >> wrote: > >> > Matthew Flanagan writes: > >> > > >> > > I`ve installed a FreeBSD 5.4-STABLE and I was building some ports > >> when > >> > > suddenly my system shut down. Upon rebooting it and checking > >> > > /var/log/messages, I found the following lines: > >> > > > >> > > 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 > >> > > > >> > > Then I realized what had happened. My acpi_thermal sysctl's are: > >> > > > >> > > 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 > >> > > > >> > > When I try to raise hw.acpi.thermal.tz0._CRT to 85C (which is the > >> > threshold in > >> > > the BIOS setup) it doesn't work: > >> > > > >> > > bell# sysctl hw.acpi.thermal.tz0._CRT=3580 # 3580 tenths of > >> Kelvin=85C > >> > > sysctl: oid 'hw.acpi.thermal.tz0._CRT' is read only > >> > > > >> > > I've tried /etc/sysctl.conf as well, but I get the same error. > >> > > > >> > > 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 > >> the > >> > > handbook, to no avail. Can anyone point me to the right direction? > >> > > >> > 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. > > > > Did you ever discover a resolution to this? I have a Shuttle SN95G5 > > system that is doing the same thing. To make matters worse, it appears > > that the hw.acpi.thermal.tz0.temperature value that is being returned is > > 5 to 10 degrees higher than what BIOS thinks (I am inclined to believe > > the BIOS on this one). I can change the CPU fan speed settings in the > > BIOS. It has pretty extensive control of this, with the default setting > > of "SMART FAN" where it controls fan speed based on CPU temperature. > > Unfortunately, in that mode the hw.acpi.thermal.tz0.temperature slews to > > 60C (while BIOS reads below 50C) before the fan has sped up enough. I > > can also set the fan speed control to fixed, relatively higher values, > > but the fan noise is then bothersome. > > > > So, anyone know where the 60C value for hw.acpi.thermal.tz0._CRT is > > derived from and how to change it? > > > > Thanks, > > Bob > > > > > >> > >> Cheers, > >> Matt > >> _______________________________________________ > >> freebsd-questions@freebsd.org mailing list > >> http://lists.freebsd.org/mailman/listinfo/freebsd-questions > >> To unsubscribe, send any mail to > >> "freebsd-questions-unsubscribe@freebsd.org" > > > > -- > > Bob Willcox Maintainer's Motto: > > bob@immure.com If we can't fix it, it ain't broke. > > Austin, TX > > _______________________________________________ > > freebsd-questions@freebsd.org mailing list > > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > > To unsubscribe, send any mail to > > "freebsd-questions-unsubscribe@freebsd.org" > > > -- Bob Willcox Maintainer's Motto: bob@immure.com If we can't fix it, it ain't broke. Austin, TX