linux-kernel - Re: [regression] nfs4: 30 second delay during umount of remote fs on system shutdown

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Message-Id: <1204235218.7109.13.camel@heimdal.trondhjem.org>
Date:	Thu, 28 Feb 2008 13:46:58 -0800
From:	Trond Myklebust <trond.myklebust@....uio.no>
To:	Frans Pop <elendil@...net.nl>
Cc:	linux-nfs@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [regression] nfs4: 30 second delay during umount of remote fs
	on system shutdown


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

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