From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261200AbTIVWXz (ORCPT ); Mon, 22 Sep 2003 18:23:55 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261287AbTIVWXz (ORCPT ); Mon, 22 Sep 2003 18:23:55 -0400 Received: from mail.g-housing.de ([62.75.136.201]:46267 "EHLO mail.g-house.de") by vger.kernel.org with ESMTP id S261200AbTIVWXx (ORCPT ); Mon, 22 Sep 2003 18:23:53 -0400 Message-ID: <3F6F9289.3050706@g-house.de> Date: Tue, 23 Sep 2003 02:23:37 +0200 From: Christian Kujau User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.5b) Gecko/20030909 X-Accept-Language: de, en MIME-Version: 1.0 To: linux-kernel@vger.kernel.org Subject: Re: lockups with 2.4.2x References: <3F6D134E.2080505@g-house.de> In-Reply-To: <3F6D134E.2080505@g-house.de> 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 hi again, i seem to have the source to my problem here. a little application named "dnetc" (RC5-72 number cruncher, see http://www.distributed.net) causes the lockups when running under 2.4.22. no joke, i too don't want to believe this, but it's quite reproducable. ok, the thing is: yes, i can live without this st00pid number-cruncher, so my system won't crash. otoh, i wonder why this little userspace application crashes a whole system so badly, that it's not even able to give an Oops. i will try to "strace ./dnetc" or execute it in the gdb, but i'm pretty sure, it will crash anyway, and the system won't have time to show errors or even write them to the disk. btw, the "dnetc" is some kind of "open source but please don't look into it" thing, and even if we manage to compile it, the produced output is invalid. oh, and i still did not try to remove memory and booting with no "highmem" or a "not preemtible kernel" and such. will do so, if that helps. Thanks for reading, Christian. -- BOFH excuse #104: backup tape overwritten with copy of system manager's favourite CD