From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Sat, 29 Mar 2003 09:33:03 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Sat, 29 Mar 2003 09:33:02 -0500 Received: from [81.2.110.254] ([81.2.110.254]:31987 "EHLO lxorguk.ukuu.org.uk") by vger.kernel.org with ESMTP id ; Sat, 29 Mar 2003 09:33:02 -0500 Subject: Re: 845GE Chipset severe performance problems From: Alan Cox To: Craig Robinson Cc: Linux Kernel Mailing List In-Reply-To: <188481168784.20030329130300@btinternet.com> References: <188481168784.20030329130300@btinternet.com> Content-Type: text/plain Content-Transfer-Encoding: 7bit Organization: Message-Id: <1048949147.6725.3.camel@dhcp22.swansea.linux.org.uk> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.2.1 (1.2.1-4) Date: 29 Mar 2003 14:45:48 +0000 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Check the mtrr ranges. The odd junk bios gets this wrong and leaves you with parts of main memory uncached. The symptoms you see might be from that if they are all identical boxes. Alan