Bug#751116: meld doesn't compare 2 files

[Carlos Carvalho]

Package: meld
Version: 1.8.4-1
Severity: important

Quite an important functionality is broken:

hoggar% meld difs-uids~ difs-uids
Traceback (most recent call last):
  File "/usr/bin/meld", line 178, in <module>
    main()
  File "/usr/bin/meld", line 170, in main
    new_window = app.parse_args(sys.argv[1:])
  File "/usr/lib/meld/meld/meldapp.py", line 169, in parse_args
    tab = open_paths(args, options.auto_compare, options.auto_merge)
  File "/usr/lib/meld/meld/meldwindow.py", line 796, in open_paths
    tab = self.append_diff(paths, auto_compare, auto_merge)
  File "/usr/lib/meld/meld/meldwindow.py", line 746, in append_diff
    return self.append_filediff(paths, merge_output=merge_output)
  File "/usr/lib/meld/meld/meldwindow.py", line 703, in append_filediff
    doc = filediff.FileDiff(app.prefs, len(files))
  File "/usr/lib/meld/meld/filediff.py", line 214, in __init__
    self._cached_match = CachedSequenceMatcher()
  File "/usr/lib/meld/meld/filediff.py", line 72, in __init__
    None, matchers.init_worker, maxtasksperchild=1)
  File "/usr/lib/python2.7/multiprocessing/__init__.py", line 232, in Pool
    return Pool(processes, initializer, initargs, maxtasksperchild)
  File "/usr/lib/python2.7/multiprocessing/pool.py", line 138, in __init__
    self._setup_queues()
  File "/usr/lib/python2.7/multiprocessing/pool.py", line 234, in _setup_queues
    self._inqueue = SimpleQueue()
  File "/usr/lib/python2.7/multiprocessing/queues.py", line 352, in __init__
    self._rlock = Lock()
  File "/usr/lib/python2.7/multiprocessing/synchronize.py", line 147, in __init__
    SemLock.__init__(self, SEMAPHORE, 1, 1)
  File "/usr/lib/python2.7/multiprocessing/synchronize.py", line 75, in __init__
    sl = self._semlock = _multiprocessing.SemLock(kind, value, maxvalue)
OSError: [Errno 38] Function not implemented