From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 4 Sep 2001 21:03:24 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 4 Sep 2001 21:03:15 -0400 Received: from neon-gw-l3.transmeta.com ([63.209.4.196]:43537 "EHLO neon-gw.transmeta.com") by vger.kernel.org with ESMTP id ; Tue, 4 Sep 2001 21:03:04 -0400 To: linux-kernel@vger.kernel.org From: "H. Peter Anvin" Subject: Re: CPU context corrupt? Date: 4 Sep 2001 18:03:11 -0700 Organization: Transmeta Corporation, Santa Clara CA Message-ID: <9n3tkf$fh8$1@cesium.transmeta.com> In-Reply-To: <999606788.1571.12.camel@hamlet> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7BIT Disclaimer: Not speaking for Transmeta in any way, shape, or form. Copyright: Copyright 2001 H. Peter Anvin - All Rights Reserved Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Followup to: <999606788.1571.12.camel@hamlet> By author: Aquila In newsgroup: linux.dev.kernel > > Hi > > I have had this problem quite a while now: when playing tribes2 or when > a particular CPU intensive xscreensaver is running, X would often hang. > I used to be able to ssh from another box or use SysRq-K to kill X and > restart (but I never figured out what the problem was). > > Ever since upgrading to 2.4.9-ac3 (from 2.4.8-ac5 I believe), whenever > it hangs in X the computer would beep and give this message in syslog: > > Sep 4 21:43:41 hamlet kernel: CPU 0: Machine Check Exception: > 0000000000000004 > Sep 4 21:43:41 hamlet kernel: Bank 1: f600200000000152 at > 7600200000000152 > Sep 4 21:43:41 hamlet kernel: Bank 2: d40040000000017a at > 540040000000017a > Sep 4 21:43:41 hamlet kernel: Kernel panic: CPU context corrupt > > It hangs there, and SysRq-K is no longer able to kill X properly. sshd > stops working as well. What does this message mean? Do I have faulty > hardware? > Yes. -hpa -- at work, in private! "Unix gives you enough rope to shoot yourself in the foot." http://www.zytor.com/~hpa/puzzle.txt