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From: Trond Myklebust <trond.myklebust@fys.uio.no>
To: Ian Campbell <ijc@hellion.org.uk>
Cc: John Ronciak <john.ronciak@gmail.com>,
	Grant Coady <gcoady.lk@gmail.com>,
	linux-kernel@vger.kernel.org, neilb@suse.de,
	bfields@fieldses.org, linux-nfs@vger.kernel.org,
	Jeff Kirsher <jeffrey.t.kirsher@intel.com>,
	Jesse Brandeburg <jesse.brandeburg@intel.com>,
	Bruce Allan <bruce.w.allan@intel.com>,
	PJ Waskiewicz <peter.p.waskiewicz.jr@intel.com>,
	John Ronciak <john.ronciak@intel.com>,
	e1000-devel@lists.sourceforge.net
Subject: Re: NFS regression? Odd delays and lockups accessing an NFS export.
Date: Sun, 24 Aug 2008 18:15:36 -0400	[thread overview]
Message-ID: <1219616136.14389.12.camel@localhost> (raw)
In-Reply-To: <1219615789.27921.152.camel@localhost.localdomain>

On Sun, 2008-08-24 at 23:09 +0100, Ian Campbell wrote:
> (added some quoting from previous mail to save replying twice)
> 
> On Sun, 2008-08-24 at 15:19 -0400, Trond Myklebust wrote:
> > 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).
> > >
> > > Is the server keeping the client in this state for a very long
> > > period?
> 
> Well, it had been around an hour and a half on this occasion. Next time
> it happens I can wait longer but I'm pretty sure I've come back from
> time away and it's been wedged for at least a day. How long would you
> expect it to remain in this state for?

The server should ideally start to close the socket as soon as it
receives the FIN from the client. I'll have a look at the code.

Trond


  reply	other threads:[~2008-08-24 22:15 UTC|newest]

Thread overview: 64+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-08-18  2:02 NFS regression? Odd delays and lockups accessing an NFS export Grant Coady
2008-08-18 18:50 ` Athanasius
2008-08-18 19:19   ` Trond Myklebust
2008-08-18 19:37   ` J. K. Cliburn
2008-08-18 23:13     ` Athanasius
2009-05-12 20:27     ` Frank Filz
2009-05-13  0:05       ` Jay Cliburn
2008-08-18 19:20 ` Trond Myklebust
2008-08-20  1:10   ` Grant Coady
2008-08-20 23:17   ` Grant Coady
2008-08-22 10:23   ` Ian Campbell
2008-08-22 18:08     ` Trond Myklebust
2008-08-22 18:13       ` Ian Campbell
2008-08-22 19:33         ` John Ronciak
2008-08-22 20:00           ` Ian Campbell
2008-08-22 21:15             ` John Ronciak
2008-08-22 21:23             ` Trond Myklebust
2008-08-22 21:37               ` Ian Campbell
2008-08-22 21:56                 ` Trond Myklebust
2008-08-22 22:41                   ` Ian Campbell
2008-08-24 18:53                   ` Ian Campbell
2008-08-24 19:17                     ` Trond Myklebust
2008-08-24 19:19                       ` Trond Myklebust
2008-08-24 22:09                         ` Ian Campbell
2008-08-24 22:15                           ` Trond Myklebust [this message]
2008-08-25  9:59                             ` Ian Campbell
2008-08-25 16:04                             ` Tom Tucker
2008-08-25 16:54                               ` Trond Myklebust
2008-08-25 20:15                                 ` Tom Tucker
2008-08-26 19:27                               ` J. Bruce Fields
2008-08-27 14:43                                 ` Tom Tucker
2008-08-30 15:47                                   ` Ian Campbell
2008-08-31 19:30                                     ` J. Bruce Fields
2008-08-31 19:44                                       ` Ian Campbell
2008-08-31 19:46                                         ` J. Bruce Fields
2008-08-31 19:49                                           ` Ian Campbell
2008-08-31 19:51                                             ` Tom Tucker
2008-08-31 19:51                                         ` Tom Tucker
2008-08-31 21:18                                           ` Ian Campbell
2008-09-01 17:20                                             ` Tom Tucker
2008-09-01 17:46                                               ` Ian Campbell
2008-09-10  8:40                                               ` Ian Campbell
2008-09-12 22:43                                                 ` J. Bruce Fields
2008-09-12 23:15                                                   ` Tom Tucker
2008-09-13  8:57                                                     ` Ian Campbell
2008-09-16  5:48                                                       ` Ian Campbell
2008-09-16 11:38                                                         ` Tom Tucker
2008-09-16 15:03                                                           ` Ian Campbell
2008-09-16 15:58                                                             ` Tom Tucker
2008-09-16 16:24                                                               ` Ian Campbell
2008-09-23  7:59                                                                 ` Ian Campbell
2008-09-23 11:33                                                                   ` Ian Campbell
2008-09-23 17:03                                                                     ` J. Bruce Fields
2008-09-26 15:37                                                                       ` Ian Campbell
2008-09-26 18:17                                                                         ` Ian Campbell
2008-09-27  3:54                                                                           ` J. Bruce Fields
2008-09-27 10:16                                                                             ` Ian Campbell
2008-08-25 21:39                           ` Roger Heflin
2008-08-25 20:23                   ` Grant Coady
2008-08-25 22:11                     ` Trond Myklebust
2008-08-26  0:29                       ` Grant Coady
2008-08-26  0:59                         ` Muntz, Daniel
2008-08-26  1:06                       ` Grant Coady
  -- strict thread matches above, loose matches on Subject: below --
2008-09-10  2:51 Benoit Plessis

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