From owner-freebsd-bugs@FreeBSD.ORG  Sat Dec 16 01:00:20 2006
Return-Path: <owner-freebsd-bugs@FreeBSD.ORG>
X-Original-To: freebsd-bugs@hub.freebsd.org
Delivered-To: freebsd-bugs@hub.freebsd.org
Received: from mx1.FreeBSD.org (mx1.freebsd.org [69.147.83.52])
	by hub.freebsd.org (Postfix) with ESMTP id 12AFC16A40F
	for <freebsd-bugs@hub.freebsd.org>;
	Sat, 16 Dec 2006 01:00:19 +0000 (UTC)
	(envelope-from gnats@FreeBSD.org)
Received: from freefall.freebsd.org (freefall.freebsd.org [69.147.83.40])
	by mx1.FreeBSD.org (Postfix) with ESMTP id 0D77343C9E
	for <freebsd-bugs@hub.freebsd.org>;
	Sat, 16 Dec 2006 00:58:35 +0000 (GMT)
	(envelope-from gnats@FreeBSD.org)
Received: from freefall.freebsd.org (gnats@localhost [127.0.0.1])
	by freefall.freebsd.org (8.13.4/8.13.4) with ESMTP id kBG10JAN034423
	for <freebsd-bugs@freefall.freebsd.org>; Sat, 16 Dec 2006 01:00:19 GMT
	(envelope-from gnats@freefall.freebsd.org)
Received: (from gnats@localhost)
	by freefall.freebsd.org (8.13.4/8.13.4/Submit) id kBG10JIY034422;
	Sat, 16 Dec 2006 01:00:19 GMT (envelope-from gnats)
Date: Sat, 16 Dec 2006 01:00:19 GMT
Message-Id: <200612160100.kBG10JIY034422@freefall.freebsd.org>
To: freebsd-bugs@FreeBSD.org
From: John Merryweather Cooper <john_m_cooper@yahoo.com>
Cc: 
Subject: Re: kern/92785: Using exported filesystem on OS/2 NFS client causes
 filesystem freeze
X-BeenThere: freebsd-bugs@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
Reply-To: John Merryweather Cooper <john_m_cooper@yahoo.com>
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: Sat, 16 Dec 2006 01:00:20 -0000

The following reply was made to PR kern/92785; it has been noted by GNATS.

From: John Merryweather Cooper <john_m_cooper@yahoo.com>
To: Kostik Belousov <kostikbel@gmail.com>
Cc: Ulrich Spoerlein <uspoerlein@gmail.com>,  stable@freebsd.org, 
 bug-followup@freebsd.org
Subject: Re: kern/92785: Using exported filesystem on OS/2 NFS client causes
 filesystem freeze
Date: Fri, 15 Dec 2006 19:54:25 -0500

 Kostik Belousov wrote:
 > On Fri, Dec 15, 2006 at 03:12:58PM +0100, Ulrich Spoerlein wrote:
 >   
 >> A tcpdump of the session can be found at:
 >> http://coyote.dnsalias.net/rpc.pcap (9kB)
 >>
 >>     
 > Am I right that all you did was ls -l <root of nfs mount> ? Does OS/2
 > supports the notion of ".." directory ? Could you do just "ls -l .."
 > from nfs client and then try "stat <root of exported fs>" on the server
 > (i think it shall hang) ?
 >
 > My hypothesis is that LOOKUP RPC for ".." causes directory vnode lock
 > leak in nfs_namei. After that, mountd hang is just consequence.
 >   
 Yes, OS/2 supports the ".." directory.  FAT, HPFS, and JFS all have a 
 ".." directory.
 
 jmc