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

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Date:	Mon, 25 Aug 2008 18:11:12 -0400
From:	Trond Myklebust <trond.myklebust@....uio.no>
To:	Grant Coady <gcoady.lk@...il.com>
Cc:	Ian Campbell <ijc@...lion.org.uk>,
	John Ronciak <john.ronciak@...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 Tue, 2008-08-26 at 06:23 +1000, Grant Coady wrote:
> On Fri, 22 Aug 2008 14:56:53 -0700, Trond Myklebust <trond.myklebust@....uio.no> wrote:
> 
> >On Fri, 2008-08-22 at 22:37 +0100, Ian Campbell wrote:
> >> I can ssh to the server fine. The same server also serves my NFS home
> >> directory to the box I'm writing this from and I've not seen any trouble
> >> with this box at all, it's a 2.6.18-xen box.
> >
> >OK... Are you able to reproduce the problem reliably?
> >
> >If so, can you provide me with a binary tcpdump or wireshark dump? If
> >using tcpdump, then please use something like
> >
> >   tcpdump -w /tmp/dump.out -s 90000 host myserver.foo.bar and port 2049
>                              ^^^^^^^^-->  typo?

No. The intention was to record _all_ the info in the packet for
analysis, not just random header info.

Trond

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