From owner-freebsd-ppc@FreeBSD.ORG Sun Oct 28 19:50:03 2012 Return-Path: Delivered-To: freebsd-ppc@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 1BA1273B for ; Sun, 28 Oct 2012 19:50:03 +0000 (UTC) (envelope-from nwhitehorn@banshee.munuc.org) Received: from banshee.munuc.org (cl-106.chi-02.us.sixxs.net [IPv6:2001:4978:f:69::2]) by mx1.freebsd.org (Postfix) with ESMTP id DFC5E8FC0A for ; Sun, 28 Oct 2012 19:50:02 +0000 (UTC) Received: from nwhitehorn (helo=localhost) by banshee.munuc.org with local-esmtp (Exim 4.74 (FreeBSD)) (envelope-from ) id 1TSYrx-000By7-TU; Sun, 28 Oct 2012 14:50:01 -0500 Date: Sun, 28 Oct 2012 14:50:01 -0500 (CDT) From: Nathan Whitehorn X-X-Sender: nwhitehorn@banshee.munuc.org To: Michael Copeland Subject: Re: Quick question about dev.smu dev.smusat on powermac11,2 In-Reply-To: Message-ID: References: User-Agent: Alpine 2.00 (BSF 1167 2008-08-23) MIME-Version: 1.0 Content-Type: MULTIPART/MIXED; BOUNDARY="1464019946-1187362250-1351453801=:41855" Sender: Nathan Whitehorn X-SA-Exim-Connect-IP: X-SA-Exim-Mail-From: nwhitehorn@banshee.munuc.org X-SA-Exim-Scanned: No (on banshee.munuc.org); SAEximRunCond expanded to false 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: Sun, 28 Oct 2012 19:50:03 -0000 This message is in MIME format. The first part should be readable text, while the remaining parts are likely unreadable without MIME-aware tools. --1464019946-1187362250-1351453801=:41855 Content-Type: TEXT/PLAIN; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: QUOTED-PRINTABLE On Sun, 28 Oct 2012, Michael Copeland wrote: >=20 >=20 > On Sun, Oct 28, 2012 at 3:42 PM, Nathan Whitehorn wrote: > It should work fine (it does on my desktop, which is a G5 of the sa= me model). Since I wrote that > program, fan control has moved to the kernel. The fans should be fa= irly quickly responsive (the > algorithm is quite basic) but should never go to full or cause a pa= nic. Which release are you > running? There were some improvements to fan control in 9.1. > -Nathan > > On Sun, 28 Oct 2012, Michael Copeland wrote: > > Is the fan control disabled by default on a GP dual core? Only reas= on I ask > is that the fans on spool up under full load, and that usually resu= lts in a > panic. > I did make a rather simple program and associated script to control= the > fans, but this happens to result in the fans constantly going up an= d down > by about 300-400 rpm even while doing something simple like portsna= p > extract. I checked the list after doing that, and found a thread wh= ere > someone else already did the same thing(a common problem of mine, I= usually > try to fix it myself without checking the list). I swapped out the = program > written by Nathan, but my results are the same. It DOES work, but I= was > only wondering if it's normal for the fan speed to vary so often. > > Thanks, > > Michael > _______________________________________________ > freebsd-ppc@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-ppc > To unsubscribe, send any mail to "freebsd-ppc-unsubscribe@freebsd.org" >=20 > Hi Nathan, > It's 9.1-PRE, from.. 3 days ago.=A0 > The fans, without my app running either spin at the lowest rpm, or the fa= stest. Once it's at max rpm, in 5 > minutes it will panic. >=20 > Interesting -- that should not happen, to say the least. Could you report= =20 what the panic is and print out the contents of the dev.smu and dev.smusat= =20 registries? You can also disable automatic fan control by the sysctl=20 machdep.manage_fans (although I'd like to find and fix the actual problem= =20 here) -Nathan --1464019946-1187362250-1351453801=:41855--