Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754379AbYBEMzX (ORCPT ); Tue, 5 Feb 2008 07:55:23 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752590AbYBEMzM (ORCPT ); Tue, 5 Feb 2008 07:55:12 -0500 Received: from mx2.mail.elte.hu ([157.181.151.9]:52280 "EHLO mx2.mail.elte.hu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752343AbYBEMzL (ORCPT ); Tue, 5 Feb 2008 07:55:11 -0500 Date: Tue, 5 Feb 2008 13:54:26 +0100 From: Ingo Molnar To: Jiri Kosina Cc: Pavel Machek , Andrew Morton , "Rafael J. Wysocki" , kernel list , Abel Bernabeu , Hugh Dickins , Arjan van de Ven Subject: Re: [regression] Re: brk randomization breaks columns Message-ID: <20080205125426.GA27724@elte.hu> References: <20080204122837.GA1647@elf.ucw.cz> <20080205110632.GB3758@elf.ucw.cz> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: User-Agent: Mutt/1.5.17 (2007-11-01) X-ELTE-VirusStatus: clean X-ELTE-SpamScore: -1.5 X-ELTE-SpamLevel: X-ELTE-SpamCheck: no X-ELTE-SpamVersion: ELTE 2.0 X-ELTE-SpamCheck-Details: score=-1.5 required=5.9 tests=BAYES_00 autolearn=no SpamAssassin version=3.2.3 -1.5 BAYES_00 BODY: Bayesian spam probability is 0 to 1% [score: 0.0000] Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 961 Lines: 26 * Jiri Kosina wrote: > On Tue, 5 Feb 2008, Pavel Machek wrote: > > > > Actually, this clearly shows that either prehistoric libc.so.5 or the > > > program itself are broken. > > I believe it shows clear regression in latest 2.6.25 kernel. > > I am still not completely sure. It might be a regression, but it also > might just trigger the bug in ancient version in libc.so.5 which might > be fixed in some later version [...] which too is a regression ... really, lets add a sysctl for this, and a .config option that either disables or enables it. Then we will default to disabled. (but users can enable it - and distros can build their kernels with this .config option enabled) Ingo -- 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/