From owner-freebsd-questions@FreeBSD.ORG Sat Feb 6 14:26:31 2010 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 8C1A81065676 for ; Sat, 6 Feb 2010 14:26:31 +0000 (UTC) (envelope-from ms80@dynamik.sytes.net) Received: from mail.eigen.dynamik.sytes.net (p57A22BC9.dip0.t-ipconnect.de [87.162.43.201]) by mx1.freebsd.org (Postfix) with ESMTP id F11348FC13 for ; Sat, 6 Feb 2010 14:26:29 +0000 (UTC) Received: from localhost (mail.eigen.dynamik.sytes.net [192.168.9.8]) by mail.eigen.dynamik.sytes.net (Postfix) with ESMTP id C862B439B2D for ; Sat, 6 Feb 2010 15:26:28 +0100 (CET) X-Quarantine-ID: <9QldQp8hARP1> X-Virus-Scanned: amavisd-new 2.5.0 (20070423) at dynamik.sytes.net X-Amavis-Modified: Mail body modified (using disclaimer) by mail.eigen.dynamik.sytes.net Received: from mail.eigen.dynamik.sytes.net ([192.168.9.8]) by localhost (mail.eigen.dynamik.sytes.net [192.168.9.8]) (amavisd-new, port 10024) with ESMTP id 9QldQp8hARP1 for ; Sat, 6 Feb 2010 15:26:22 +0100 (CET) Received: from type-xxi.hydro.dynamik.sytes.net (type-xxi.hydro.dynamik.sytes.net [192.168.12.34]) by mail.eigen.dynamik.sytes.net (Postfix) with ESMTP id 6A0DD439B2B for ; Sat, 6 Feb 2010 15:26:22 +0100 (CET) From: ms80 To: freebsd-questions@freebsd.org Date: Sat, 6 Feb 2010 15:26:21 +0100 User-Agent: KMail/1.12.3 (FreeBSD/8.0-STABLE; KDE/4.3.3; i386; ; ) References: <201002061017.05737.ms80@dynamik.sytes.net> <201002061218.20866.ms80@dynamik.sytes.net> In-Reply-To: MIME-Version: 1.0 Content-Type: Text/Plain; charset="iso-8859-1" Content-Transfer-Encoding: 7bit Message-Id: <201002061526.21613.ms80@dynamik.sytes.net> Subject: Re: amd64: Fatal Trap 12 in high load situations X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 06 Feb 2010 14:26:31 -0000 Am Saturday 06 February 2010 14:37:16 schrob Michael Powell: > ms80 wrote: [snip] > > There seems to be a general feeling the newer AMD processors don't much > care for higher memory voltages. Try lowering your voltages and see if it > helps. > > I am successfully using this board with the CPU clock set at 240MHz, which > with the x14 multiplier results in 3.36GHz operation. The Hypertransport > and FSB bus speeds are 2400MHz and the memory is running at 1599MHz at the > x6.66 multiplier. When I get the RAM up to 1680MHz is where I can get it > to freeze. As long as I don't do that it is totally stable. > > -Mike > > My CPU is an AMD Phenom II X 4 905e. Its (default) settings are: CPU Clock Ratio (Auto) 2500MHz CPU Northbridge Freq. (Auto) 2000MHz CPU Host Clock Contr. (Auto) HT Link Width (Auto) HT Link Freq. (Auto) 2000MHz Memory Clock (x6.66 ) 1333MHz I set the DDR3 voltage to auto, now it shows about 1.58V. Testing will take a little bit. Thank you for the hint. regards, Sven -- 00