# emerge --metadata

>>> Updating Portage cache:   56%Traceback (most recent call last):
  File "/usr/bin/emerge", line 6474, in ?
    retval = emerge_main()
  File "/usr/bin/emerge", line 6431, in emerge_main
    action_metadata(settings, portdb, myopts)
  File "/usr/bin/emerge", line 5036, in action_metadata
    eclass_cache=ec, verbose_instance=noise_maker)
  File "/usr/lib/portage/pym/cache/util.py", line 31, in mirror_cache
    try:        entry = src_cache[x]
  File "/usr/lib/portage/pym/cache/metadata.py", line 32, in __getitem__
    return flat_hash.database.__getitem__(self, cpv)
  File "/usr/lib/portage/pym/cache/flat_hash.py", line 28, in __getitem__
    d = self._parse_data(myf, cpv)
  File "/usr/lib/portage/pym/cache/metadata.py", line 39, in _parse_data
    d = flat_hash.database._parse_data(self, data, cpv)
  File "/usr/lib/portage/pym/cache/flat_hash.py", line 46, in _parse_data
    raise cache_errors.CacheCorruption(cpv, e)
cache.cache_errors.CacheCorruption: media-fonts/culmus-0.101-r1 is corrupt: dictionary update sequence element #0 has length 1; 2 is required