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Re: 2.6.21-git10/11: files getting truncated on xfs? or maybe an nlink p

To: Jeremy Fitzhardinge <jeremy@xxxxxxxx>
Subject: Re: 2.6.21-git10/11: files getting truncated on xfs? or maybe an nlink problem?
From: David Chinner <dgc@xxxxxxx>
Date: Fri, 11 May 2007 08:58:34 +1000
Cc: Chuck Ebbert <cebbert@xxxxxxxxxx>, David Chinner <dgc@xxxxxxx>, Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>, Matt Mackall <mpm@xxxxxxxxxxx>, xfs@xxxxxxxxxxx
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On Thu, May 10, 2007 at 02:54:25PM -0700, Jeremy Fitzhardinge wrote:
> Chuck Ebbert wrote:
> > Jeremy Fitzhardinge wrote:
> >   
> >> Chuck Ebbert wrote:
> >>     
> >>> What CPU architecture is this happening on? Not i686 with PAE by
> >>> any chance?
> >>>       
> >> Yes.  Why?
> >>     
> >
> > I have a bug report where NFS files are corrupted only with PAE clients.
> > Corruption is at the end of the (newly untarred) files. Doesn't happen
> > without PAE.
> >   
> 
> Hm, suggestive, but I'm not convinced.  Two differences to this situation:
> 
>    1. Immediately after the clone ("untar"), the contents are completely
>       OK; it's only after a umount/mount cycle to problems appear
>    2. There's no corruption as such; the files are just too short.  And
>       it seems they're at a previously OK length, not some random size.

Just to confirm this isn't a result of a recent change, can you reproduce
this on a 2.6.20 or 2.6.21 kernel? (sorry if you've already done this - I've 
juggling
some many things at once it's easy to forget little things).

Cheers,

Dave.
-- 
Dave Chinner
Principal Engineer
SGI Australian Software Group


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