Comment 72 for bug 946663

This bug was fixed in the package partman-target - 77ubuntu2

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partman-target (77ubuntu2) precise; urgency=low

  * Exit 0 at the end of finish.d/clear_partitions, so that partman-commit
    will carry on even if the final rmdir fails (which is a bug in itself,
    but shouldn't blow away the whole install; LP: #985526).
  * Use 'umount -l' in finish.d/clear_partitions, to work around an as yet
    unidentified race that keeps the filesystem busy (LP: #946663).
 -- Colin Watson <email address hidden> Thu, 19 Apr 2012 11:54:45 +0100