From owner-freebsd-questions@FreeBSD.ORG Fri Jan 13 14:56:35 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 07D4C16A41F for ; Fri, 13 Jan 2006 14:56:35 +0000 (GMT) (envelope-from freebsd-questions-local@be-well.ilk.org) Received: from mail8.sea5.speakeasy.net (mail8.sea5.speakeasy.net [69.17.117.10]) by mx1.FreeBSD.org (Postfix) with ESMTP id A085C43D45 for ; Fri, 13 Jan 2006 14:56:34 +0000 (GMT) (envelope-from freebsd-questions-local@be-well.ilk.org) Received: (qmail 20267 invoked from network); 13 Jan 2006 14:56:34 -0000 Received: from dsl092-078-145.bos1.dsl.speakeasy.net (HELO be-well.ilk.org) ([66.92.78.145]) (envelope-sender ) by mail8.sea5.speakeasy.net (qmail-ldap-1.03) with SMTP for ; 13 Jan 2006 14:56:34 -0000 Received: by be-well.ilk.org (Postfix, from userid 1147) id BBA2D28423; Fri, 13 Jan 2006 09:56:32 -0500 (EST) Sender: lowell@be-well.ilk.org To: freebsd-questions@freebsd.org References: <20060112182206.GB2451@ayvali.org> <20060112190930.86187.qmail@web31013.mail.mud.yahoo.com> <20060112193140.GE2451@ayvali.org> From: Lowell Gilbert Date: 13 Jan 2006 09:56:32 -0500 In-Reply-To: <20060112193140.GE2451@ayvali.org> Message-ID: <443bjsp467.fsf@be-well.ilk.org> Lines: 18 User-Agent: Gnus/5.09 (Gnus v5.9.0) Emacs/21.3 MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Subject: Re: Help with panic: vm_fault X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list Reply-To: freebsd-questions@freebsd.org List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 13 Jan 2006 14:56:35 -0000 "N.J. Thomas" writes: > * Brad Marsh [2006-01-12 11:09:29 -0800]: > > or singly, not in pairs... > > This should never be the case. If your memory is acceptable one module > at a time, why wouldn't the system accept two? Capacitive loading, for one reason. Not common, but I've certainly seen it (particularly with lower-end machines a couple or so years back). And since different brands of memory modules will have different capacitances (and there may be some variation even among "identical" units), it may not be easy to reproduce. -- Lowell Gilbert, embedded/networking software engineer, Boston area http://be-well.ilk.org/~lowell/