From owner-freebsd-ppc@FreeBSD.ORG Mon Apr 1 16:43:02 2013 Return-Path: Delivered-To: freebsd-ppc@freebsd.org Received: from mx1.freebsd.org (mx1.FreeBSD.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id A6870F44 for ; Mon, 1 Apr 2013 16:43:02 +0000 (UTC) (envelope-from nwhitehorn@freebsd.org) Received: from adsum.doit.wisc.edu (adsum.doit.wisc.edu [144.92.197.210]) by mx1.freebsd.org (Postfix) with ESMTP id 8329121A for ; Mon, 1 Apr 2013 16:43:02 +0000 (UTC) MIME-version: 1.0 Content-transfer-encoding: 7BIT Content-type: text/plain; CHARSET=US-ASCII; format=flowed Received: from avs-daemon.smtpauth1.wiscmail.wisc.edu by smtpauth1.wiscmail.wisc.edu (Sun Java(tm) System Messaging Server 7u2-7.05 32bit (built Jul 30 2009)) id <0MKL009004AOFH00@smtpauth1.wiscmail.wisc.edu> for freebsd-ppc@freebsd.org; Mon, 01 Apr 2013 11:43:02 -0500 (CDT) X-Spam-PmxInfo: Server=avs-1, Version=5.6.1.2065439, Antispam-Engine: 2.7.2.376379, Antispam-Data: 2013.4.1.163018, SenderIP=0.0.0.0 X-Spam-Report: AuthenticatedSender=yes, SenderIP=0.0.0.0 Received: from terminus.icecube.wisc.edu (i3-user-nat.icecube.wisc.edu [128.104.255.12]) by smtpauth1.wiscmail.wisc.edu (Sun Java(tm) System Messaging Server 7u2-7.05 32bit (built Jul 30 2009)) with ESMTPSA id <0MKL001S153OOQ20@smtpauth1.wiscmail.wisc.edu>; Mon, 01 Apr 2013 11:43:00 -0500 (CDT) X-Wisc-Sender: whitehorn@wisc.edu Message-id: <5159B914.1090209@freebsd.org> Date: Mon, 01 Apr 2013 11:43:00 -0500 From: Nathan Whitehorn User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:17.0) Gecko/20130312 Thunderbird/17.0.4 To: Julio Merino Subject: Re: Machine shutting down due to temperature issue References: In-reply-to: Cc: freebsd-ppc@freebsd.org X-BeenThere: freebsd-ppc@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Porting FreeBSD to the PowerPC List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 01 Apr 2013 16:43:02 -0000 On 03/31/13 14:35, Julio Merino wrote: > Hello, > > I have a PowerMac G5 (dual PPC 970FX 2Ghz, 6GB of RAM) and recently > installed FreeBSD powerpc64 9.1-RELEASE on it. Everything is working pretty > nicely but I keep running into the following issue (which unfortunately > makes the machine not very usable because I cannot build some software I > want): > > Whenever I try to build pcre, the machine shuts down with this message: > > WARNING: Current temperature (U3 HEATSINK: 82.5 C) exceeds critical > temperature (80.0 C)! Shutting down! > > The few information I've been able to find online about the U3 heatsink is > that it is related to the memory... and the fact that the machine powers > down reliably during the build of a particularly memory-intensive source > file in pcre seems to explain this. > > Another data point that may be related is that powerd is enabled in rc.conf > but it fails to start with: > > powerd: lookup freq: No such file or directory > > Any ideas about what's up with this temperature issue? Is power management > not implemented for the G5, does it have a problem or is the machine faulty? > > I had Linux running on this machine for a while and I didn't experience any > such issues. Granted, I didn't build pcre, but I used it as a desktop with > other memory-hungry applications and it behaved nicely. > > Thanks! > I'd guess a faulty fan on the U3 (which is the northbridge), but it's possible there is something else at work. Could you forward the output of sysctl dev.fcu? -Nathan