From owner-freebsd-current@FreeBSD.ORG Sun Mar 18 19:29:47 2007 Return-Path: X-Original-To: freebsd-current@freebsd.org Delivered-To: freebsd-current@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 4FFF116A409 for ; Sun, 18 Mar 2007 19:29:47 +0000 (UTC) (envelope-from tillman@seekingfire.com) Received: from mail.seekingfire.com (thoth.seekingfire.com [24.89.83.9]) by mx1.freebsd.org (Postfix) with ESMTP id DDB2513C4E8 for ; Sun, 18 Mar 2007 19:29:46 +0000 (UTC) (envelope-from tillman@seekingfire.com) Received: by mail.seekingfire.com (Postfix, from userid 500) id EFC4C39815; Sun, 18 Mar 2007 13:29:45 -0600 (CST) Date: Sun, 18 Mar 2007 13:29:45 -0600 From: Tillman Hodgson To: freebsd-current@freebsd.org Message-ID: <20070318192945.GB1264@seekingfire.com> References: <20070308125927.GA1265@seekingfire.com> <20070308204041.GA55240@xor.obsecurity.org> <20070310153206.GF1230@seekingfire.com> <3bbf2fe10703100749h14e9b075wb6d730ed7c9189f8@mail.gmail.com> <20070310161423.GA1256@seekingfire.com> <20070310193946.GA96514@xor.obsecurity.org> <20070311044033.GB1256@seekingfire.com> <20070311062637.GA1256@seekingfire.com> <20070318125635.N62476@maildrop.int.zabbadoz.net> <20070318154536.U20456@fledge.watson.org> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20070318154536.U20456@fledge.watson.org> X-Habeas-SWE-1: winter into spring X-Habeas-SWE-2: brightly anticipated X-Habeas-SWE-3: like Habeas SWE (tm) X-Habeas-SWE-4: Copyright 2002 Habeas (tm) X-Habeas-SWE-5: Sender Warranted Email (SWE) (tm). The sender of this X-Habeas-SWE-6: email in exchange for a license for this Habeas X-Habeas-SWE-7: warrant mark warrants that this is a Habeas Compliant X-Habeas-SWE-8: Message (HCM) and not spam. Please report use of this X-Habeas-SWE-9: mark in spam to . X-GPG-Key-ID: 828AFC7B X-GPG-Fingerprint: 5584 14BA C9EB 1524 0E68 F543 0F0A 7FBC 828A FC7B X-GPG-Key: http://www.seekingfire.com/personal/gpg_key.asc X-Urban-Legend: There is lots of hidden information in headers X-Tillman-rules: yes he does User-Agent: Mutt/1.5.14 (2007-02-12) Subject: Re: Experiencing hangs on SMP box with no console messages given for clues. Details inside. X-BeenThere: freebsd-current@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Discussions about the use of FreeBSD-current List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 18 Mar 2007 19:29:47 -0000 On Sun, Mar 18, 2007 at 03:50:01PM +0100, Robert Watson wrote: > If using uid/gid firewall rules, make sure to read the pertinent man pages > regarding setting debug.mpsafenet=0 in loader.conf to avoid deadlocks. I am using firewall rules, with pf rather than ipfw, but I'm not using anything tied to user information. > This is only a workaround for the issue, and when debug.mpsafenet is > removed, this workaround will no longer be available. The > authors/maintainers of the various firewall packages need to correct these > problems or the lock order reversals (and associated deadlocks) will > persist. Interesting :-) -T