From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 26 Mar 2003 15:01:51 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 26 Mar 2003 15:01:50 -0500 Received: from vbws78.voicebs.com ([66.238.160.78]:30727 "EHLO quark.didntduck.org") by vger.kernel.org with ESMTP id ; Wed, 26 Mar 2003 15:00:29 -0500 Message-ID: <3E82097A.2040306@didntduck.org> Date: Wed, 26 Mar 2003 15:11:38 -0500 From: Brian Gerst User-Agent: Mozilla/5.0 (Windows; U; WinNT4.0; en-US; rv:1.3) Gecko/20030312 X-Accept-Language: en-us, en MIME-Version: 1.0 To: ravikumar.chakaravarthy@amd.com CC: linux-kernel@vger.kernel.org Subject: Re: Unable to turn paging on!! References: <99F2150714F93F448942F9A9F112634CA54B3A@txexmtae.amd.com> In-Reply-To: <99F2150714F93F448942F9A9F112634CA54B3A@txexmtae.amd.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org ravikumar.chakaravarthy@amd.com wrote: > I tweaked the kernel and boot loader to load the kernel at 0xdf000000, physical address. I did the following changes to setup the initial page table. > > However during boot, in arch/i386/kernel/head.S when the paging bit is set > movl %eax,%cr0 /* ..and set paging (PG) bit */ > > My computer hangs!! > > Any idea why?? > > -Ravi The kernel can only be loaded into memory that is directly mapped, which is the first 960MB. Why do you need to change the load address? -- Brian Gerst