From owner-freebsd-threads@FreeBSD.ORG  Tue Nov  4 18:15:51 2008
Return-Path: <owner-freebsd-threads@FreeBSD.ORG>
Delivered-To: freebsd-threads@FreeBSD.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id F25831065673
	for <freebsd-threads@FreeBSD.org>; Tue,  4 Nov 2008 18:15:51 +0000 (UTC)
	(envelope-from emaste@freebsd.org)
Received: from gw.sandvine.com (gw.sandvine.com [199.243.201.138])
	by mx1.freebsd.org (Postfix) with ESMTP id 9B0288FC23
	for <freebsd-threads@FreeBSD.org>; Tue,  4 Nov 2008 18:15:51 +0000 (UTC)
	(envelope-from emaste@freebsd.org)
Received: from labgw2.phaedrus.sandvine.com ([192.168.3.11]) by
	gw.sandvine.com with Microsoft SMTPSVC(6.0.3790.3959); 
	Tue, 4 Nov 2008 13:03:49 -0500
Received: by labgw2.phaedrus.sandvine.com (Postfix, from userid 12627)
	id 4C54A11712; Tue,  4 Nov 2008 13:03:49 -0500 (EST)
Date: Tue, 4 Nov 2008 13:03:49 -0500
From: Ed Maste <emaste@freebsd.org>
To: Alfred Perlstein <alfred@freebsd.org>
Message-ID: <20081104180349.GA9527@sandvine.com>
References: <200811041440.mA4Ee31J084489@freefall.freebsd.org>
	<20081104154113.GP60438@elvis.mu.org>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <20081104154113.GP60438@elvis.mu.org>
User-Agent: Mutt/1.4.2.1i
X-OriginalArrivalTime: 04 Nov 2008 18:03:49.0560 (UTC)
	FILETIME=[B0552380:01C93EA7]
Cc: freebsd-threads@FreeBSD.org
Subject: Re: threads/128180: pthread_cond_broadcast(3) lost wakeup
X-BeenThere: freebsd-threads@freebsd.org
X-Mailman-Version: 2.1.5
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: Tue, 04 Nov 2008 18:15:52 -0000

On Tue, Nov 04, 2008 at 07:41:13AM -0800, Alfred Perlstein wrote:

> This bug may have been fixed in 6-stable and 6.4.
> 
> http://svn.freebsd.org/viewvc/base?view=revision&revision=184172
> 
> Can you try upgrading?

I tried with the changes from r184172, but I'm still able to reproduce
the problem using the test app in the PR.  With your change it does
seem to run for on average about 10 times as long before it hangs though.

-Ed