Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S965449AbXFFWmM (ORCPT ); Wed, 6 Jun 2007 18:42:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S964936AbXFFWlP (ORCPT ); Wed, 6 Jun 2007 18:41:15 -0400 Received: from an-out-0708.google.com ([209.85.132.248]:19194 "EHLO an-out-0708.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S964981AbXFFWlN (ORCPT ); Wed, 6 Jun 2007 18:41:13 -0400 DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=beta; h=received:message-id:date:from:to:subject:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=WYStCk+d+QkRD5alsMeqXclLfdcLr3RlabuUm5cQNUn7lmQ9Nemdd58fpRAvldlaMcZ6QUbOIUg9uxqQUoRSYG6tHfNy7jKyrj8L0dd1Ct3V6kFHhjhWgAE4FX9xKclKV+hmSGjaMkYVTBudt8F63vNYXPoNw+xi2d3prudwe80= Message-ID: Date: Wed, 6 Jun 2007 23:41:11 +0100 From: "Andrew Lyon" To: linux-kernel@vger.kernel.org Subject: Re: [RFC][PATCH] Re: 4Gb ram not showing up In-Reply-To: <46673135.30105@zytor.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <20070606143723.GF10008@csclub.uwaterloo.ca> <46673135.30105@zytor.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1360 Lines: 36 On 6/6/07, H. Peter Anvin wrote: > Lennart Sorensen wrote: > > > > Seems like an improvement to me. To fully explain how it could be 3 or > > 3.5 or 3.25 or who knows how many GB you can actually use without PAE > > would probably require writing a small novel. Certainly talking about > > address space instead of amounts of physical memory is more correct. > > > > On some machines it's even just 2 GB. > > -hpa > - > To unsubscribe from this list: send the line "unsubscribe linux-kernel" in > the body of a message to majordomo@vger.kernel.org > More majordomo info at http://vger.kernel.org/majordomo-info.html > Please read the FAQ at http://www.tux.org/lkml/ > Could this also cause a system to be unstable? my abit athlon64 at work will not run x64 with more than 1gb ram, and i have a colo server with supermicro & 2 x dual core xeons that will not run with more than 2gb. Both systems have long uptimes but if i add ram they crash within minutes of booting. Tried several kernels up to 2.6.21 and gave up, I can send dmesg output but the crashes are completely random. andy - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/