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From: Doug Rabson <dfr@rabson.org>
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Date: Sun, 6 Apr 2008 13:07:19 +0100
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Cc: freebsd-stable@freebsd.org, dfr@freebsd.org, Rong-en Fan <grafan@gmail.com>,
	Ken Chen <ken73.chen@gmail.com>
Subject: Re: lock problem: nfs server on FreeBSD 7-stable, client on linux
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On 6 Apr 2008, at 11:30, Tz-Huan Huang wrote:

> On Sun, Apr 6, 2008 at 5:21 PM, Doug Rabson <dfr@rabson.org> wrote:
>>
>> Could you possibly try again with 'tcpdump -w <file> -s 1500' - the  
>> packets
>> were truncated which made it difficult to analyse.
>
> Sure, it's available here:
>
> http://w.csie.org/~tzhuan/tmp/tcpdump2.raw

Hmm. Somehow the socket which rpc.lockd is supposed to use for  
accepting TCP requests has been closed. Linux tends to use TCP for  
lock requests when the NFS is mounted over TCP. I'll try and reproduce  
this locally.