From: Ian Campbell <ijc-KcIKpvwj1kUDXYZnReoRVg@public.gmane.org>
Subject: Re: NFS regression? Odd delays and lockups accessing an NFS export.
Date: Sat, 30 Aug 2008 16:47:41 +0100
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Cc: "J. Bruce Fields" <bfields@fieldses.org>,
	Trond Myklebust <trond.myklebust@fys.uio.no>,
	John Ronciak <john.ronciak@gmail.com>,
	Grant Coady <gcoady.lk@gmail.com>,
	linux-kernel@vger.kernel.org, neilb@suse.de,
	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
To: Tom Tucker <tom@opengridcomputing.com>
In-Reply-To: <48B567F5.2090605@opengridcomputing.com>
Sender: linux-nfs-owner@vger.kernel.org


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On Wed, 2008-08-27 at 09:43 -0500, Tom Tucker wrote:
> Sure. I've actually tried to reproduce it here unsuccessfully.
>=20
> As a starter, I would suggest turning on transport debugging:
>=20
> # echo 256 > /proc/sys/sunrpc/rpc_debug
> [...]
> If Ian is willing to create the log (or already has one), I'm
> certainly willing to look at it.

It produced only the following (is that what was expected?):

[146866.448112] -pid- proc flgs status -client- -prog- --rqstp- -timeout -r=
pcwait -action- ---ops--
[146866.448112] 30576 0001 00a0      0 f77a1600 100003 f7903340    15000 xp=
rt_pending fa0ba88e fa0c9df4
[146866.448112] 30577 0004 0080    -11 f77a1600 100003 f7903000        0 xp=
rt_sending fa0ba88e fa0c9df4

Ian.
--=20
Ian Campbell

Life is a concentration camp.  You're stuck here and there's no way
out and you can only rage impotently against your persecutors.
		-- Woody Allen

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