Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755904AbbFSVuM (ORCPT ); Fri, 19 Jun 2015 17:50:12 -0400 Received: from smtprelay0100.hostedemail.com ([216.40.44.100]:36333 "EHLO smtprelay.hostedemail.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754204AbbFSVuG (ORCPT ); Fri, 19 Jun 2015 17:50:06 -0400 X-Session-Marker: 726F737465647440676F6F646D69732E6F7267 X-Spam-Summary: 2,0,0,,d41d8cd98f00b204,rostedt@goodmis.org,:::::::::::::::::,RULES_HIT:41:355:379:541:599:800:960:968:973:988:989:1260:1277:1311:1313:1314:1345:1359:1434:1437:1515:1516:1518:1534:1541:1593:1594:1711:1730:1747:1777:1792:1801:2393:2553:2559:2562:2693:3138:3139:3140:3141:3142:3352:3622:3865:3867:3868:3871:3873:3874:4605:5007:6119:6120:6261:6996:6997:7875:7901:7903:9121:10004:10026:10400:10848:10967:11232:11233:11473:11658:11914:12043:12517:12519:12740:13069:13184:13229:13311:13357:14096:14097:21080:21088,0,RBL:none,CacheIP:none,Bayesian:0.5,0.5,0.5,Netcheck:none,DomainCache:0,MSF:not bulk,SPF:fn,MSBL:0,DNSBL:none,Custom_rules:0:0:0 X-HE-Tag: side06_57f024569535b X-Filterd-Recvd-Size: 2962 Date: Fri, 19 Jun 2015 17:50:02 -0400 From: Steven Rostedt To: Trond Myklebust Cc: Jeff Layton , Eric Dumazet , Anna Schumaker , Linux NFS Mailing List , Linux Network Devel Mailing List , LKML , Andrew Morton , Bruce James Fields Subject: Re: [REGRESSION] NFS is creating a hidden port (left over from xs_bind() ) Message-ID: <20150619175002.17a231b1@gandalf.local.home> In-Reply-To: References: <20150611234929.7b48d314@gandalf.local.home> <1434120035.27504.77.camel@edumazet-glaptop2.roam.corp.google.com> <20150612113420.5c114183@gandalf.local.home> <20150612115038.44e20ccd@gandalf.local.home> <20150617230819.0a11e47a@grimm.local.home> <20150618154914.57424225@gandalf.local.home> <20150618185051.2b2828c3@tlielax.poochiereds.net> <20150618210843.4b09c31c@grimm.local.home> <20150618213702.33f64b20@synchrony.poochiereds.net> <20150619122553.43d2d86c@gandalf.local.home> <20150619131759.7b38d9de@gandalf.local.home> X-Mailer: Claws Mail 3.11.1 (GTK+ 2.24.25; x86_64-pc-linux-gnu) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1170 Lines: 29 On Fri, 19 Jun 2015 13:39:08 -0400 Trond Myklebust wrote: > Hang on. This is on the client box while there is an active NFSv4 > mount? Then that's probably the NFSv4 callback channel listening for > delegation callbacks. > > Can you please try: > > echo "options nfs callback_tcpport=4048" > /etc/modprobe.d/nfs-local.conf > > and then either reboot the client or unload and then reload the nfs > modules before reattempting the mount. If this is indeed the callback > channel, then that will move your phantom listener to port 4048... I unmounted the directories, removed the nfs modules, and then add this file, and loaded the modules back and remounted the directories. # netstat -ntap |grep 4048 tcp 0 0 0.0.0.0:4048 0.0.0.0:* LISTEN - tcp 0 0 192.168.23.22:4048 192.168.23.9:1010 ESTABLISHED - tcp6 0 0 :::4048 :::* LISTEN - -- Steve -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in Please read the FAQ at http://www.tux.org/lkml/