From owner-freebsd-bugs@FreeBSD.ORG  Fri Nov 16 16:11:50 2007
Return-Path: <owner-freebsd-bugs@FreeBSD.ORG>
Delivered-To: freebsd-bugs@FreeBSD.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 2EC9A16A41A;
	Fri, 16 Nov 2007 16:11:50 +0000 (UTC)
	(envelope-from bright@elvis.mu.org)
Received: from elvis.mu.org (elvis.mu.org [192.203.228.196])
	by mx1.freebsd.org (Postfix) with ESMTP id 0C56B13C467;
	Fri, 16 Nov 2007 16:11:50 +0000 (UTC)
	(envelope-from bright@elvis.mu.org)
Received: by elvis.mu.org (Postfix, from userid 1192)
	id 00BDF1A4D82; Fri, 16 Nov 2007 07:55:22 -0800 (PST)
Date: Fri, 16 Nov 2007 07:55:22 -0800
From: Alfred Perlstein <alfred@freebsd.org>
To: Joerg Lehners <Joerg.Lehners@Informatik.Uni-Oldenburg.DE>
Message-ID: <20071116155522.GB8950@elvis.mu.org>
References: <200711160223.lAG2N7I9070055@freefall.freebsd.org>
	<Pine.BSF.4.64.0711161555160.59022@gneedle.Informatik.Uni-Oldenburg.DE>
Mime-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <Pine.BSF.4.64.0711161555160.59022@gneedle.Informatik.Uni-Oldenburg.DE>
User-Agent: Mutt/1.4.2.3i
Cc: freebsd-bugs@FreeBSD.org, kmacy@FreeBSD.org
Subject: Re: kern/107109: [nfs] Netbeans/Eclipse/Java provoke deadlocks when
	used with NFS
X-BeenThere: freebsd-bugs@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: Bug reports <freebsd-bugs.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-bugs>,
	<mailto:freebsd-bugs-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-bugs>
List-Post: <mailto:freebsd-bugs@freebsd.org>
List-Help: <mailto:freebsd-bugs-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-bugs>,
	<mailto:freebsd-bugs-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Fri, 16 Nov 2007 16:11:50 -0000

* Joerg Lehners <Joerg.Lehners@Informatik.Uni-Oldenburg.DE> [071116 07:00] wrote:
> On Fri, 16 Nov 2007, kmacy@FreeBSD.org wrote:
> >Date: Fri, 16 Nov 2007 02:23:07 GMT
> >From: kmacy@FreeBSD.org
> >To: Joerg.Lehners@Informatik.Uni-Oldenburg.DE, kmacy@FreeBSD.org,
> >    freebsd-bugs@FreeBSD.org, alfred@FreeBSD.org
> >Subject: Re: kern/107109: [nfs] Netbeans/Eclipse/Java provoke deadlocks 
> >when
> >    used with NFS
> >
> >Synopsis: [nfs] Netbeans/Eclipse/Java provoke deadlocks when used with NFS
> >
> >[...]
> 
> I just tested against
> 
> FreeBSD testido2 6.3-PRERELEASE FreeBSD 6.3-PRERELEASE #0: Fri Nov 16 
> 14:54:31 MET 2007     root@testido2:/usr/src/sys/i386/compile/JL-TESTIDO2  
> i386
> 
> and was NOT able to reproduce the problem. Whereas with
> 
> FreeBSD tende 6.2-STABLE FreeBSD 6.2-STABLE #0: Mon Jun 11 16:30:26 MEST 
> 2007     root@bodensee:/usr/src/sys/i386/compile/JL-FS-neu-SCSI  i386
> 
> the deadlock showed up after milliseconds.
> So some of the numerous changes made the problem go way.
> 
> Do you need a more specific description of the change? It might
> take some time to narrow it down.

This is the change Julian and I worked out for kse where
we no longer call "thread_single" during fork(2) of threaded
processes.

-- 
- Alfred Perlstein