From owner-freebsd-threads@FreeBSD.ORG  Wed Sep 29 13:52:11 2004
Return-Path: <owner-freebsd-threads@FreeBSD.ORG>
Delivered-To: freebsd-threads@freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125])
	by hub.freebsd.org (Postfix) with ESMTP
	id 86F6016A4CE; Wed, 29 Sep 2004 13:52:11 +0000 (GMT)
Received: from duke.cs.duke.edu (duke.cs.duke.edu [152.3.140.1])
	by mx1.FreeBSD.org (Postfix) with ESMTP
	id 24DFB43D48; Wed, 29 Sep 2004 13:52:11 +0000 (GMT)
	(envelope-from gallatin@cs.duke.edu)
Received: from grasshopper.cs.duke.edu (grasshopper.cs.duke.edu
	[152.3.145.30])
	by duke.cs.duke.edu (8.12.10/8.12.10) with ESMTP id i8TDq7Jt006664
	(version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO);
	Wed, 29 Sep 2004 09:52:07 -0400 (EDT)
Received: (from gallatin@localhost)
	by grasshopper.cs.duke.edu (8.12.9p2/8.12.9/Submit) id i8TDq2HI004772;
	Wed, 29 Sep 2004 09:52:02 -0400 (EDT)
	(envelope-from gallatin)
From: Andrew Gallatin <gallatin@cs.duke.edu>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Transfer-Encoding: 7bit
Message-ID: <16730.48642.4481.841374@grasshopper.cs.duke.edu>
Date: Wed, 29 Sep 2004 09:52:02 -0400 (EDT)
To: David Xu <davidxu@freebsd.org>
In-Reply-To: <415AB791.10809@freebsd.org>
References: <16728.37731.540143.307772@grasshopper.cs.duke.edu>
	<41589B4A.9080508@elischer.org>
	<415AB791.10809@freebsd.org>
X-Mailer: VM 6.75 under 21.1 (patch 12) "Channel Islands" XEmacs Lucid
cc: Julian Elischer <julian@elischer.org>
cc: freebsd-threads@freebsd.org
Subject: Re: easy to reproduce unkillable threads
X-BeenThere: freebsd-threads@freebsd.org
X-Mailman-Version: 2.1.1
Precedence: list
List-Id: Threading on FreeBSD <freebsd-threads.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-threads>,
	<mailto:freebsd-threads-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-threads>
List-Post: <mailto:freebsd-threads@freebsd.org>
List-Help: <mailto:freebsd-threads-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-threads>,
	<mailto:freebsd-threads-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Wed, 29 Sep 2004 13:52:11 -0000


David Xu writes:

 > Please tell me easiest way to reproduce it, I tried best to reproduce 
 > it, but still got nothing.
 > 
 > >> http://people.freebsd.org/~gallatin/threadlock.tgz
 > >>
 > I use this test case.

Are you on an SMP?  Do you use an 'ssh $HOST skill -u $USER -9' to
send the signal?

Julian, you can reproduce it, right?

Drew