From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262044AbUDSUlV (ORCPT ); Mon, 19 Apr 2004 16:41:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262046AbUDSUlV (ORCPT ); Mon, 19 Apr 2004 16:41:21 -0400 Received: from terminus.zytor.com ([63.209.29.3]:11472 "EHLO terminus.zytor.com") by vger.kernel.org with ESMTP id S262044AbUDSUkc (ORCPT ); Mon, 19 Apr 2004 16:40:32 -0400 Message-ID: <4084392C.7020408@zytor.com> Date: Mon, 19 Apr 2004 13:40:12 -0700 From: "H. Peter Anvin" Organization: Zytor Communications User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.5) Gecko/20031030 X-Accept-Language: en, sv MIME-Version: 1.0 To: Bjoern Schmidt CC: linux-kernel Subject: Re: [BUG] in 2.6.5 at msr.c and cpuid.c References: <40842288.3090501@uni-paderborn.de> In-Reply-To: <40842288.3090501@uni-paderborn.de> Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Bjoern Schmidt wrote: > Hello H. Peter, > > sorry for mailing to you directly, but sending this bugreport > to linux-kernel@vger.kernel.org failed and i don't know why... > > The server was at an uptime of ~8 days until this bug appeared. > At 15:33 the smbd was killed by Signal 7. > Why is your smbd touching /dev/cpu/*/msr? Something is very odd about that... assuming you're not exporting /dev through Samba I would guess this is a preemption bug. Could you please send me a) your System.map and b) your kernel configuration? Could you also try disabling preemption and see if that helps? -hpa