From owner-cvs-all@FreeBSD.ORG Sun Mar 6 18:15:24 2005 Return-Path: Delivered-To: cvs-all@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 1DCDE16A4CE; Sun, 6 Mar 2005 18:15:24 +0000 (GMT) Received: from postfix4-2.free.fr (postfix4-2.free.fr [213.228.0.176]) by mx1.FreeBSD.org (Postfix) with ESMTP id C8AE843D3F; Sun, 6 Mar 2005 18:15:23 +0000 (GMT) (envelope-from tataz@tataz.chchile.org) Received: from tatooine.tataz.chchile.org (vol75-8-82-233-239-98.fbx.proxad.net [82.233.239.98]) by postfix4-2.free.fr (Postfix) with ESMTP id 6F1842D588A; Sun, 6 Mar 2005 19:15:11 +0100 (CET) Received: by tatooine.tataz.chchile.org (Postfix, from userid 1000) id 580F3407C; Sun, 6 Mar 2005 19:14:22 +0100 (CET) Date: Sun, 6 Mar 2005 19:14:22 +0100 From: Jeremie Le Hen To: Julian Elischer Message-ID: <20050306181422.GD74191@obiwan.tataz.chchile.org> References: <4226446B.7020406@freebsd.org> <61ac46c154aa515a692308440dd1141d@FreeBSD.org> <422710DD.1070203@freebsd.org> <422719E0.10703@samsco.org> <42279B6D.1000005@freebsd.org> <20050304182629.GA39457@VARK.MIT.EDU> <4228AB27.3020204@samsco.org> <4228B504.7000302@elischer.org> <20050305154248.GF15329@obiwan.tataz.chchile.org> <422A9B53.8080504@elischer.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <422A9B53.8080504@elischer.org> User-Agent: Mutt/1.5.7i cc: cvs-src@FreeBSD.org cc: src-committers@FreeBSD.org cc: Jeremie Le Hen cc: cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/kern kern_sig.c X-BeenThere: cvs-all@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: CVS commit messages for the entire tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 06 Mar 2005 18:15:24 -0000 Hi Julian, On Sat, Mar 05, 2005 at 09:55:31PM -0800, Julian Elischer wrote: > Jeremie Le Hen wrote: > >>for a start I'd like to add a sysctl to turn off swapping out kernel > >>stacks.. > >>then if someone had a reproducible or atleast 'common" problem, > ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ > > >>we could suggest turning it off to see > >>if it fixes the problem.. that would be a big smoking gun.. > > > > > >If I understand correctly, the problem with swapping is that it's > >highly non-deterministic. Therefore having kthread swapping disabled > >would not tell us whether the bug is really avoided or if we are just > >fortunate enough to not trigger it. I think I didn't explained myself correctly. In fact, I was simply wondering how a swap related bug could be reproducible. Regards, -- Jeremie Le Hen jeremie at le-hen dot org