From owner-freebsd-current@FreeBSD.ORG  Wed May 28 22:35:37 2003
Return-Path: <owner-freebsd-current@FreeBSD.ORG>
Delivered-To: freebsd-current@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP id E4B2637B401
	for <freebsd-current@freebsd.org>;
	Wed, 28 May 2003 22:35:37 -0700 (PDT)
Received: from dan.emsphone.com (dan.emsphone.com [199.67.51.101])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 4688D43F93
	for <freebsd-current@freebsd.org>;
	Wed, 28 May 2003 22:35:37 -0700 (PDT)
	(envelope-from dan@dan.emsphone.com)
Received: (from dan@localhost)
	by dan.emsphone.com (8.12.9/8.12.9) id h4T5ZWsH098743;
	Thu, 29 May 2003 00:35:32 -0500 (CDT)
	(envelope-from dan)
Date: Thu, 29 May 2003 00:35:32 -0500
From: Dan Nelson <dnelson@allantgroup.com>
To: Mike Makonnen <mtm@identd.net>
Message-ID: <20030529053532.GD91945@dan.emsphone.com>
References: <20030526225111.HVVN25800.out006.verizon.net@kokeb.ambesa.net>
	<20030529025735.GA2882@gforce.johnson.home>
	<20030529040251.ZKLF3199.pop016.verizon.net@kokeb.ambesa.net>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20030529040251.ZKLF3199.pop016.verizon.net@kokeb.ambesa.net>
X-OS: FreeBSD 5.1-BETA
X-message-flag: Outlook Error
User-Agent: Mutt/1.5.4i
cc: Glenn Johnson <glennpj@charter.net>
cc: freebsd-current@freebsd.org
Subject: Re: Libthr stable enough for testing
X-BeenThere: freebsd-current@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: Discussions about the use of FreeBSD-current
	<freebsd-current.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>,
	<mailto:freebsd-current-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-current>
List-Post: <mailto:freebsd-current@freebsd.org>
List-Help: <mailto:freebsd-current-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-current>,
	<mailto:freebsd-current-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 29 May 2003 05:35:38 -0000

In the last episode (May 29), Mike Makonnen said:
> On Wed, 28 May 2003 21:57:35 -0500 Glenn Johnson <glennpj@charter.net> wrote:
> > It seems to be working fine on a UP machine but it locks up my SMP
> > machine just trying to load a gnome session.  It leaves an image on
> > the screen but the keyboard and mouse stop responding and I can not
> > ssh into the box.
> 
> Please try the attached patch and let me know how it works.
> 
> Index: lib/libthr/thread/thr_create.c

The real problem is in the kernel, though.  A userland non-root process
should not be able to hard lock the system.  One of the threads people
will probably have to get an SMP machine to be able to debug it.

-- 
	Dan Nelson
	dnelson@allantgroup.com