bety edb # emerge --resume            
Traceback (most recent call last):
  File "/usr/bin/emerge", line 4063, in ?
    emerge_main()
  File "/usr/bin/emerge", line 3782, in emerge_main
    settings, trees, mtimedb = load_emerge_config()
  File "/usr/bin/emerge", line 3703, in load_emerge_config
    mtimedb = portage.MtimeDB(mtimedbfile)
  File "/usr/lib/portage/pym/portage.py", line 6699, in __init__
    self._load(filename)
  File "/usr/lib/portage/pym/portage.py", line 6706, in _load
    d = mypickle.load()
cPickle.UnpicklingError: invalid load key, 'k'.
bety edb # emerge -e world
Traceback (most recent call last):
  File "/usr/bin/emerge", line 4063, in ?
    emerge_main()
  File "/usr/bin/emerge", line 3782, in emerge_main
    settings, trees, mtimedb = load_emerge_config()
  File "/usr/bin/emerge", line 3703, in load_emerge_config
    mtimedb = portage.MtimeDB(mtimedbfile)
  File "/usr/lib/portage/pym/portage.py", line 6699, in __init__
    self._load(filename)
  File "/usr/lib/portage/pym/portage.py", line 6706, in _load
    d = mypickle.load()
cPickle.UnpicklingError: invalid load key, 'k'.
bety edb #