From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from pigeon.gentoo.org ([208.92.234.80] helo=lists.gentoo.org) by finch.gentoo.org with esmtp (Exim 4.60) (envelope-from ) id 1NX5Cm-0004Fp-6T for garchives@archives.gentoo.org; Tue, 19 Jan 2010 03:56:36 +0000 Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 96746E0DDF; Tue, 19 Jan 2010 03:56:07 +0000 (UTC) Received: from mail2.pcorp.com.au (mail2.pcorp.com.au [150.101.72.19]) by pigeon.gentoo.org (Postfix) with ESMTP id 1920FE0DDF for ; Tue, 19 Jan 2010 03:56:07 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by mail2.pcorp.com.au (Postfix) with ESMTP id 85E94107405A for ; Tue, 19 Jan 2010 13:26:05 +0930 (CST) X-Virus-Scanned: amavisd-new at mail2.pcorp.com.au Received: from mail2.pcorp.com.au ([127.0.0.1]) by localhost (mail2.pcorp.com.au [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id iExTBVcNJwHd; Tue, 19 Jan 2010 13:26:05 +0930 (CST) Received: from [172.16.0.52] (unknown [172.16.0.52]) by mail2.pcorp.com.au (Postfix) with ESMTP id 348571074059 for ; Tue, 19 Jan 2010 13:26:05 +0930 (CST) Subject: Re: [gentoo-user] Re: BIOS says 2GB, MemTest86 says 2GB, top says 900MB From: Iain Buchanan To: gentoo-user@lists.gentoo.org In-Reply-To: <5bdc1c8b1001181908w471f759aq928a79dc71883b63@mail.gmail.com> References: <5bdc1c8b1001181809l3493192cl12c3694099415ec@mail.gmail.com> <5bdc1c8b1001181908w471f759aq928a79dc71883b63@mail.gmail.com> Content-Type: text/plain; charset="ISO-8859-1" Date: Tue, 19 Jan 2010 13:25:21 +0930 Message-ID: <1263873321.3316.117.camel@localhost> Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org Mime-Version: 1.0 X-Mailer: Evolution 2.28.2 Content-Transfer-Encoding: 7bit X-Archives-Salt: d3792ca3-a8b1-48a7-9f05-7bfa0546d1a7 X-Archives-Hash: 97886f9bda9d19281219bfc5d8566b6f On Mon, 2010-01-18 at 19:08 -0800, Mark Knecht wrote: > On Mon, Jan 18, 2010 at 6:09 PM, Mark Knecht wrote: > > How does memory get reported up to the kernel? Is that something in > > the kernel (i.e. - choosing the proper chipset support or something) > > or is it purely the return from some sort of BIOS call? If so can it > > be tested or circumvented to get the machine to recognize everything > > I've put in? > > > > Thanks, > > Mark > > A very simple test - booting from an old Gentoo install CD - shows 2GB > - so apparently it's a kernel config issue. High Memory Support to be precise :) In your case CONFIG_HIGHMEM4G=y should do. Processor Type And Features => High Memory Support => off / 4Gb / 64Gb -- Iain Buchanan Whenever people agree with me, I always think I must be wrong. - Oscar Wilde