linux-kernel - Re: NFS regression? Odd delays and lockups accessing an NFS export.

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Message-Id: <1219605596.14389.5.camel@localhost>
Date:	Sun, 24 Aug 2008 15:19:56 -0400
From:	Trond Myklebust <trond.myklebust@....uio.no>
To:	Ian Campbell <ijc@...lion.org.uk>
Cc:	John Ronciak <john.ronciak@...il.com>,
	Grant Coady <gcoady.lk@...il.com>,
	linux-kernel@...r.kernel.org, neilb@...e.de, bfields@...ldses.org,
	linux-nfs@...r.kernel.org,
	Jeff Kirsher <jeffrey.t.kirsher@...el.com>,
	Jesse Brandeburg <jesse.brandeburg@...el.com>,
	Bruce Allan <bruce.w.allan@...el.com>,
	PJ Waskiewicz <peter.p.waskiewicz.jr@...el.com>,
	John Ronciak <john.ronciak@...el.com>,
	e1000-devel@...ts.sourceforge.net
Subject: Re: NFS regression? Odd delays and lockups accessing an NFS export.

On Sun, 2008-08-24 at 15:17 -0400, Trond Myklebust wrote:
> >From the tcpdump, it looks as if the NFS server is failing to close the
> socket, when the client closes its side. You therefore end up getting
> stuck in the FIN_WAIT2 state (as netstat clearly shows above).

BTW: the RPC client is closing the socket because it detected no NFS
activity for 5 minutes. Did you expect any NFS activity during this
time?

Trond

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