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Date: Wed, 01 Aug 2012 19:05:11 +0200
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> Thanks a lot, that makes a lot of sense..  I haven't given this detail
> before because I didn't write this code, and I forgot that there were
> threads involved completely, I'm just trying to help to fix this bug.
>
> Your explanation makes a lot of sense, but it's still surprising that
> even just reading files without ever writing them can cause troubles
> using threads :/
Make sure that file objects are not shared between threads. If that is 
possible. It will probably solve the problem (if that is related to 
threads).