From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760369AbYB1VrV (ORCPT ); Thu, 28 Feb 2008 16:47:21 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1755305AbYB1VrE (ORCPT ); Thu, 28 Feb 2008 16:47:04 -0500 Received: from pat.uio.no ([129.240.10.15]:53465 "EHLO pat.uio.no" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753719AbYB1VrD (ORCPT ); Thu, 28 Feb 2008 16:47:03 -0500 Subject: Re: [regression] nfs4: 30 second delay during umount of remote fs on system shutdown From: Trond Myklebust To: Frans Pop Cc: linux-nfs@vger.kernel.org, linux-kernel@vger.kernel.org In-Reply-To: <200802281829.16343.elendil@planet.nl> References: <200802281829.16343.elendil@planet.nl> Content-Type: text/plain Date: Thu, 28 Feb 2008 13:46:58 -0800 Message-Id: <1204235218.7109.13.camel@heimdal.trondhjem.org> Mime-Version: 1.0 X-Mailer: Evolution 2.12.1 Content-Transfer-Encoding: 7bit X-UiO-Resend: resent X-UiO-Spam-info: not spam, SpamAssassin (score=0.0, required=5.0, autolearn=disabled, none) X-UiO-Scanned: 7978143C8FEF9CBBC9EBA6346770BF4E0A9A5260 X-UiO-SR-test: 31BFDA32ED3E931A22859D610BCC67497C15AD5B X-UiO-SPAM-Test: remote_host: 129.240.10.9 spam_score: 0 maxlevel 200 minaction 2 bait 0 mail/h: 585 total 7142340 max/h 8345 blacklist 0 greylist 0 ratelimit 0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Thu, 2008-02-28 at 18:29 +0100, Frans Pop wrote: > I have verified that portmap is also not running during S31umountnfs.sh with > 2.6.24, so apparently there has been a change in the kernel that has made > umount look for portmap and cause the 30 second delay if it is not running. You are probably seeing the effect of lockd going down: it always attempts to unregister from the portmapper (and no, this is _not_ new behaviour). If debian is killing the portmapper while lockd is still up, then that is a definite debian bug... Trond