From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262073AbVGVIzU (ORCPT ); Fri, 22 Jul 2005 04:55:20 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262072AbVGVIzU (ORCPT ); Fri, 22 Jul 2005 04:55:20 -0400 Received: from waldorf.cs.uni-dortmund.de ([129.217.4.42]:8416 "EHLO waldorf.cs.uni-dortmund.de") by vger.kernel.org with ESMTP id S262073AbVGVIzS (ORCPT ); Fri, 22 Jul 2005 04:55:18 -0400 Date: Fri, 22 Jul 2005 10:55:16 +0200 From: Christoph Pleger To: linux-kernel@vger.kernel.org Subject: 10 GB in Opteron machine Message-Id: <20050722105516.6ccffb8f.Christoph.Pleger@uni-dortmund.de> Organization: Universitaet Dortmund X-Mailer: Sylpheed version 1.0.4 (GTK+ 1.2.10; sparc-sun-solaris2.7) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Hello, I had a working kernel configuration for an Opteron machine. Since that configuration was supposed to support many kinds of hardware, it contained many settings that were not optimal for an Opteron machine. So I created a new configuration especially for that machine. But the resulting kernel could not be booted. To find the problem I took the working configuration and changed and it in many small steps and after every change compiled the kernel, installed it and rebooted to see if the kernel still boots. At last I found out that setting HIGHMEM support to 64 GB is the problem. But is it really not possible to use more than 4GB on an Opteron machine? I have set the processor type to Opteron and disabled SMP support. I am using Kernel 2.6.11.12. Christoph