Public bug reported:

There is a bug in src/s3ql/_deltadump.pyx, which repositions a file descriptor 
associated with a FILE* stream without first calling
fflush(). When using eglibc 2.17, this means that s3ql will  store malformed 
metadata that cannot be loaded again. The problem is made worse because this 
affects only the metadata uploaded to the remote server, but not the locally 
cached copy. So unless the user explicitly tests reloading the metadata from 
the server, the corruption will not show up until it's too late.

** Affects: s3ql (Ubuntu)
     Importance: Undecided
         Status: New

** Affects: s3ql (Debian)
     Importance: Unknown
         Status: Unknown

** Bug watch added: Debian Bug tracker #701350
   http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=701350

** Also affects: s3ql (Debian) via
   http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=701350
   Importance: Unknown
       Status: Unknown

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https://bugs.launchpad.net/bugs/1179281

Title:
  Data corruption with eglibc 2.17

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