From owner-freebsd-stable Wed Aug 28 12: 9:56 2002 Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.FreeBSD.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 1EB2D37B400 for ; Wed, 28 Aug 2002 12:09:52 -0700 (PDT) Received: from postal1.es.net (postal1.es.net [198.128.3.205]) by mx1.FreeBSD.org (Postfix) with ESMTP id 7565E43E3B for ; Wed, 28 Aug 2002 12:09:51 -0700 (PDT) (envelope-from oberman@es.net) Received: from ptavv.es.net ([198.128.4.29]) by postal1.es.net (Postal Node 1) with ESMTP id GQF37091; Wed, 28 Aug 2002 12:06:05 -0700 Received: from ptavv (localhost [127.0.0.1]) by ptavv.es.net (Postfix) with ESMTP id 4EB815D03; Wed, 28 Aug 2002 12:06:03 -0700 (PDT) To: Doug Hardie Cc: David , freebsd-stable@FreeBSD.ORG Subject: Re: Fatal trap 12 In-reply-to: Your message of "Wed, 28 Aug 2002 09:32:14 PDT." Date: Wed, 28 Aug 2002 12:06:03 -0700 From: "Kevin Oberman" Message-Id: <20020828190603.4EB815D03@ptavv.es.net> Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG > Date: Wed, 28 Aug 2002 09:32:14 -0700 > From: Doug Hardie > Sender: owner-freebsd-stable@FreeBSD.ORG > > At 0805 -0700 8/28/2002, David wrote: > >On Wed, 28 Aug 2002, Doug Hardie wrote: > >> At 0008 -0700 8/28/2002, David wrote: > >> I had similar problems a couple of years ago. buildworld would hang > >> in different places every time. I finally got it to work by letting > >> it run for an hour, then control-Z it to let it stop awhile and then > >> continue on. By doing that for many hours I got the buildworld to > >> complete successfully. Someone here then suggested down clocking the > >> processor as that was a frequent problem with the processor I was > >> using. I did that and it has run fine since. > >> -- > > > >Sounds reasonable. Out of curiousity, what type of processor did you have > >that this was an issue with? > > > >Also, was this a hardware or software change? (I believe there's a way to > >do it in software in BSD, just not sure how.) > > > >David > > CPU: AMD-K6(tm) 3D processor (400.91-MHz 586-class CPU) > > I believe it was a 450 MHz originally and I down clocked it to 400. > It has to be a hardware change. I have an identical setup and I got it to work properly at 450 Mhz by applying thermal grease (available at Radio Shack) to the CPU and heatsink. Took all of 15 minutes excluding the trip to the store. This fixed the buildworld problem. I now run healthd to monitor the temperature of my CPU. If you are not familiar with anti-static handing procedures, DON"T TRY THIS! If you are, note that you want a THIN coat on both surfaces. Also, make sure your heatsink fan is running properly! R. Kevin Oberman, Network Engineer Energy Sciences Network (ESnet) Ernest O. Lawrence Berkeley National Laboratory (Berkeley Lab) E-mail: oberman@es.net Phone: +1 510 486-8634 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message