From owner-freebsd-questions@FreeBSD.ORG Wed Jun 22 02:36:50 2011 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 B419C106573F for ; Wed, 22 Jun 2011 02:36:50 +0000 (UTC) (envelope-from perryh@pluto.rain.com) Received: from agora.rdrop.com (agora.rdrop.com [IPv6:2607:f678:1010::34]) by mx1.freebsd.org (Postfix) with ESMTP id 95FBF8FC12 for ; Wed, 22 Jun 2011 02:36:50 +0000 (UTC) Received: from agora.rdrop.com (66@localhost [127.0.0.1]) by agora.rdrop.com (8.13.1/8.12.7) with ESMTP id p5M2alhW010165 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Tue, 21 Jun 2011 19:36:47 -0700 (PDT) (envelope-from perryh@pluto.rain.com) Received: (from uucp@localhost) by agora.rdrop.com (8.13.1/8.12.9/Submit) with UUCP id p5M2alJh010164; Tue, 21 Jun 2011 19:36:47 -0700 (PDT) Received: from fbsd61 by pluto.rain.com (4.1/SMI-4.1-pluto-M2060407) id AA23494; Tue, 21 Jun 11 19:32:09 PDT Date: Tue, 21 Jun 2011 19:31:41 -0700 From: perryh@pluto.rain.com To: dieterbsd@engineer.com Message-Id: <4e01540d.67/OLosOxdvOzi/z%perryh@pluto.rain.com> References: <20110621212701.9550@gmx.com> In-Reply-To: <20110621212701.9550@gmx.com> User-Agent: nail 11.25 7/29/05 Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Cc: freebsd-questions@freebsd.org Subject: Re: FreeBSD reports incorrect amount of memory 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: Wed, 22 Jun 2011 02:36:50 -0000 "Dieter BSD" wrote: > Machine has been running FreeBSD/amd64 with 2 GiB of memory. > I just installed a 2nd 2 GiB of memory for 4 GiB total. > FreeBSD thinks it now has 32 GiB ??? > > FreeBSD 8.2-RELEASE #22: Tue Jun ??7 12:37:21 PDT 2011 > CPU: AMD Athlon(tm) 64 Processor 3000+ (1808.34-MHz K8-class CPU) > real memory ??= 34359738368 (32768 MB) > avail memory = 3614437376 (3446 MB) It seems to be only the "real memory" value, and not the "avail memory", that's out of touch with reality. Wild guess dept: Your new 2 GiB has gotten mapped as [30,32) GiB rather than as [2,4) GiB, and "real memory" is reporting the first unpopulated address above the highest installed range.