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, 20 Mar 2002 18:32:21 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 20 Mar 2002 18:32:12 -0500 Received: from smtp-2.llnl.gov ([128.115.250.82]:55178 "EHLO smtp-2.llnl.gov") by vger.kernel.org with ESMTP id ; Wed, 20 Mar 2002 18:31:57 -0500 Message-ID: <3C991BE6.70504@llnl.gov> Date: Wed, 20 Mar 2002 15:31:50 -0800 From: "Tom Epperly" Organization: Lawrence Livermore National Laboratory User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:0.9.9) Gecko/20020314 MIME-Version: 1.0 To: Alan Cox CC: linux-kernel@vger.kernel.org Subject: Re: Bad Illegal instruction traps on dual-Xeon (p4) Linux Dell box In-Reply-To: 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 Alan Cox wrote: >>I initiated a support call with Dell at around 3:30pm PST on Friday >>15-Mar-2002, and all the feedback I've received from this so far shows >>that they are clueless. They are trying to portray this as a Linux >>problem. >> > >Well to be honest they aren't the only ones who are totally baffled by it. >Do you have the current microcode updates in your BIOS or via the ucode >driver ? > One box, tux06, has the latest Dell BIOS, A05. I don't know how to determine if it has the latest microcode updates. Where can one get the current microcode updates, and how do I install it? > > >Do all the problem boxes have the same stepping of CPU ? > According to cat /proc/cpuinfo, two boxes tux06 & tux34 have stepping 10, and tux47 has stepping 2. I have seen the unexplained "Illegal instruction" messages on tux34 and tux47, but I haven't run the modified kernel on them. root access is restricted here. Tom