From owner-freebsd-stable@FreeBSD.ORG Fri Sep 29 21:40:22 2006 Return-Path: X-Original-To: freebsd-stable@freebsd.org Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 55A1016A417; Fri, 29 Sep 2006 21:40:22 +0000 (UTC) (envelope-from craig@feniz.gank.org) Received: from ion.gank.org (ion.gank.org [69.55.238.164]) by mx1.FreeBSD.org (Postfix) with ESMTP id 12B4043D46; Fri, 29 Sep 2006 21:40:22 +0000 (GMT) (envelope-from craig@feniz.gank.org) Received: by ion.gank.org (Postfix, from userid 1001) id B4D5B1178F; Fri, 29 Sep 2006 16:40:21 -0500 (CDT) Date: Fri, 29 Sep 2006 16:40:21 -0500 From: Craig Boston To: Kris Kennaway Message-ID: <20060929214021.GB63032@nowhere> References: <451A1375.5080202@gneto.com> <20060927071538.GF22229@e-Gitt.NET> <451A4189.5020906@samsco.org> <20060927152824.GJ22229@e-Gitt.NET> <20060927155553.GB14563@icarus.home.lan> <20060927155904.GM22229@e-Gitt.NET> <451AA7B1.5080202@samsco.org> <20060929072741.GH14975@tnn.dglawrence.com> <20060929212155.GB56501@nowhere> <20060929213740.GA37735@xor.obsecurity.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20060929213740.GA37735@xor.obsecurity.org> User-Agent: Mutt/1.4.2.1i Cc: freebsd-stable@freebsd.org, John Baldwin , Oliver Brandmueller Subject: Re: 6.2 SHOWSTOPPER - em completely unusable on 6.2 X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 29 Sep 2006 21:40:22 -0000 On Fri, Sep 29, 2006 at 05:37:40PM -0400, Kris Kennaway wrote: > What might be useful for someone who can provoke this, is to configure > your kernel with MUTEX_PROFILING, then do the following: > > > > This will help to show whether something is causing Giant starvation. I'm currently building a kernel with Scott's patch -- if it still happens I'll build one with MUTEX_PROFILING and get the results. Craig