cache.cache_errors.CacheCorruption: app-arch/bzip2-1.0.3-r6 is corrupt

Решил сегодня обновить дерево с помощью "emerge --sync -v" и вот что получилось:

>>> Updating Portage cache:    1%Traceback (most recent call last):
  File "/usr/bin/emerge", line 4049, in ?
    emerge_main()
  File "/usr/bin/emerge", line 4006, in emerge_main
    action_sync(settings, trees, mtimedb, myopts, myaction)
  File "/usr/bin/emerge", line 2924, in action_sync
    action_metadata(settings, portdb, myopts)
  File "/usr/bin/emerge", line 3019, in action_metadata
    eclass_cache=ec, verbose_instance=noise_maker)
  File "/usr/lib/portage/pym/cache/util.py", line 47, in mirror_cache
    if trg and not write_it:
  File "/usr/lib/python2.4/UserDict.py", line 170, in __len__
    return len(self.keys())
  File "/usr/lib/portage/pym/cache/mappings.py", line 54, in keys
    return list(self.__iter__())
  File "/usr/lib/portage/pym/cache/mappings.py", line 48, in __iter__
    for k in self.orig.iterkeys():
  File "/usr/lib/python2.4/UserDict.py", line 103, in iterkeys
    return self.__iter__()
  File "/usr/lib/portage/pym/cache/mappings.py", line 83, in __iter__
    return iter(self.keys())
  File "/usr/lib/portage/pym/cache/mappings.py", line 87, in keys
    self.d.update(self.pull())
  File "/usr/lib/portage/pym/cache/flat_hash.py", line 29, in callit
    return args[0](*args[1:]+args2)
  File "/usr/lib/portage/pym/cache/flat_hash.py", line 47, in _pull
    raise cache_errors.CacheCorruption(cpv, e)
cache.cache_errors.CacheCorruption: app-arch/bzip2-1.0.3-r6 is corrupt: dictionary update sequence element #0 has length 1; 2 is required

Кто знает как победить или это косяк в портаже и надо куда-нить сообщить?