linux-kernel - Re: NFS Bug in 2.6.23 ?

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Date:	Fri, 16 Nov 2007 09:16:27 -0500
From:	Trond Myklebust <trond.myklebust@....uio.no>
To:	Gianluca Alberici <gianluca@...networks.biz>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: NFS Bug in 2.6.23 ?


On Fri, 2007-11-16 at 10:27 +0100, Gianluca Alberici wrote:
> Hello,
> 
> Got problems with CFS after a kernel upgrade from 2.6.20 to 2.6.23. 
> After a certain amount of time since cattach i get:
> 
> ios:~$ ls /opt/clear/
> ls: /opt/clear/: Not a directory
> 
> stracing the command i get stat64() returning ENOTDIR.
> Applications won't find the directory.
> 
> If i cd into it and ls it is like doing a refresh: everything works 
> again for a certain amount of time, then, again. It reminds me an old 
> version of CFS which used to claim: 'stale NFS file handle'.
> 
> I didnt see any NFS changes in the changeslog of 2.6.23.1 so i decided 
> to POST.
> 
> SOmebody can help ?

Can you send a binary tcpdump illustrating the problem?

  tcpdump -s 9000 -w /tmp/dump.out host cfs-servername

and then run your test...

Cheers
  Trond

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