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Re: Kernel crash with 2.6.29 + nfs + xfs (radix-tree)

To: linux-xfs@xxxxxxxxxxx
Subject: Re: Kernel crash with 2.6.29 + nfs + xfs (radix-tree)
From: Martin Spott <Martin.Spott@xxxxxxxxx>
Date: Wed, 27 May 2009 17:21:40 +0000 (UTC)
Newsgroups: list.linux-xfs
Organization: home
References: <20090520003745.GA27491@xxxxxxxxxxxx> <20090526090916.GA17194@xxxxxxxxxxxxx>
User-agent: tin/1.9.3-20080506 ("Dalintober") (UNIX) (Linux/2.6.29.3 (x86_64))
Christoph Hellwig wrote:

> May 24 08:48:00 (none) last message repeated 61 times                         
>   
> May 24 08:48:47 (none) last message repeated 760 times                        
>   
> May 24 08:50:55 (none) kernel: reconnect_path: npd != pd                      
>   
> May 24 08:50:55 (none) last message repeated 9 times                          
>   
> May 24 08:55:04 (none) kernel: reconnect_path: npd != pd                      
>   
> May 24 08:56:05 (none) last message repeated 47 times                         
>   
> May 24 08:56:49 (none) last message repeated 419 times

Resembles me of trouble I've recently seen on some of the machines I
maintain after updating from 2.6.27.11 to 2.6.29.[2,3], serving a few
dozend LTSP (diskless so-called thin-clients) root filesystems via NFS
from XFS - not really huge load, to be honest.

After running 2.6.29.4 for one day now I have the feeling that the
issue had been cured - but I didn't manage to get a clue about the fix.

Very few people have been reporting a similar issue here:

  http://www.mail-archive.com/debian-user@xxxxxxxxxxxxxxxx/msg545497.html

and here:

  http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=527517

Additional information wanted ?

Cheers,
        Martin.
-- 
 Unix _IS_ user friendly - it's just selective about who its friends are !
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