Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261180AbTHSHNk (ORCPT ); Tue, 19 Aug 2003 03:13:40 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261151AbTHSHN0 (ORCPT ); Tue, 19 Aug 2003 03:13:26 -0400 Received: from mail3.ithnet.com ([217.64.64.7]:42678 "HELO heather-ng.ithnet.com") by vger.kernel.org with SMTP id S262116AbTHSHMy (ORCPT ); Tue, 19 Aug 2003 03:12:54 -0400 X-Sender-Authentication: SMTPafterPOP by from 217.64.64.14 Date: Tue, 19 Aug 2003 09:12:43 +0200 From: Stephan von Krawczynski To: Mike Fedyk Cc: andrea@suse.de, green@namesys.com, marcelo@conectiva.com.br, akpm@osdl.org, alan@lxorguk.ukuu.org.uk, linux-kernel@vger.kernel.org, mason@suse.com Subject: Re: 2.4.22-pre lockups (now decoded oops for pre10) Message-Id: <20030819091243.007acac0.skraw@ithnet.com> In-Reply-To: <20030819011208.GK10320@matchmail.com> References: <20030813125509.360c58fb.skraw@ithnet.com> <20030813145940.GC26998@namesys.com> <20030813171224.2a13b97f.skraw@ithnet.com> <20030813153009.GA27209@namesys.com> <20030819011208.GK10320@matchmail.com> Organization: ith Kommunikationstechnik GmbH X-Mailer: Sylpheed version 0.9.4 (GTK+ 1.2.10; i686-pc-linux-gnu) Mime-Version: 1.0 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 Content-Length: 1212 Lines: 31 On Mon, 18 Aug 2003 18:12:08 -0700 Mike Fedyk wrote: > > > It is unlikely for bad ram to survive memtest for several hours. > > > > memtest is single threaded, UP kernel works fine too. > > Are you saying that one CPU can't saturate the memory bus? Or maybe we're > hitting something on the CPU bus, or just that SMP will change the timings > and stress things differently? Or that if memtest doesn't test from the > second CPU then it could be a faulty cpu/L2? Well, if memtest does not use a second available CPU then probably we should ask the author about this... > Grr, has anything been done to verify the hardware is running withing specs > and isn't too hot? In fact we are talking about datacenter environment with air conditioning and the like. Besides the favourite test box I have others (already mentioned in this thread) - SMP with completely different hw - where I can make 2.4.21 and above crash, too. Regards, Stephan - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/