From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S270413AbTGVKJc (ORCPT ); Tue, 22 Jul 2003 06:09:32 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S270487AbTGVKJc (ORCPT ); Tue, 22 Jul 2003 06:09:32 -0400 Received: from shackc.compushack.de ([195.145.90.67]:57095 "EHLO shackc.compu-shack.com") by vger.kernel.org with ESMTP id S270413AbTGVKJa (ORCPT ); Tue, 22 Jul 2003 06:09:30 -0400 Subject: Re: CPU Lockup with 2.4.21 and 2.4.22-pre From: Michael =?ISO-8859-1?Q?Tro=DF?= To: "Udo A. Steinberg" Cc: Linux Kernel Mailing List In-Reply-To: <0001F3D0@gwia.compu-shack.com> References: <0001F3D0@gwia.compu-shack.com> Content-Type: text/plain Content-Transfer-Encoding: 7bit Organization: Compu-Shack Production Message-Id: <1058869462.2352.79.camel@mtross2.csintern.de> Mime-Version: 1.0 X-Mailer: Ximian Evolution 1.4.0 Date: 22 Jul 2003 12:24:24 +0200 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Am Mon, 2003-07-21 um 16.17 schrieb Udo A. Steinberg: > On Mon, 21 Jul 2003 16:12:26 +0200 Udo A. Steinberg (UAS) wrote: > > UAS> We have a Dual-Xeon machine with Hyperthreading which keeps locking > up hard, > UAS> so that not even Sysrq works anymore. I have captured such a lockup > using the > UAS> NMI oopser. Below you'll find the lockup fed through ksymoops. Note > that > UAS> after CPU3 locked up, CPU2 did too. But that lockup couldn't be > captured > UAS> anymore. Kernel is a monolithic 2.4.22-pre6. Problem also happened > on > UAS> plain 2.4.21. I can provide more information wrt. hardware, config > etc. > UAS> on request. Would be really useful if you do so. > Sorry, I used the wrong System.map. Below is the fixed decode. Looks > like > the lockup is caused by the 3rd party Compushack FDDI driver. What makes you believe this? There is no matching code sequence like the one from your dump in the driver, to be exact: in a driver compiled with gcc 3.3 and kernel 2.4.21. > Regards, > -Udo. Regards, Michael