[SOLVED] поломался portage после обновления

Месяца четыре назад перевёл систему с гентушного дерева на fantoo. Работала стабильно, пару раз успел пересобрать систему(обновлялись gcc, хэдеры, такое..).
Вчера решился размаскировать sys-apps/portage-2.2_rc93 (было 2.2_rc67-r2) -- купился на новую фичу -- опцию --autounmask. Собралось нормально, новый софт, вроде ставит, но теперь

~ ◾ eix-sync                                22:23 Пнд 2010-12-20 root@l4n732nu5
 * Running emerge --sync
!!! Repository name or alias 'gentoo', defined for repository 'funtoo', overrides existing alias or repository.
!!! main-repo not set in DEFAULT and PORTDIR is empty. 
!!! Location not set for repository gentoo
!!! Location not set for repository funtoo
Traceback (most recent call last):
  File "/usr/bin/emerge", line 43, in <module>
    retval = emerge_main()
  File "/usr/lib/portage/pym/_emerge/main.py", line 1311, in emerge_main
    settings, trees, mtimedb = load_emerge_config()
  File "/usr/lib/portage/pym/_emerge/actions.py", line 2856, in load_emerge_config
    trees = portage.create_trees(trees=trees, **kwargs)
  File "/usr/lib/portage/pym/portage/__init__.py", line 508, in create_trees
    config_incrementals=portage.const.INCREMENTALS)
  File "/usr/lib/portage/pym/portage/proxy/objectproxy.py", line 31, in __call__
    return result(*args, **kwargs)
  File "/usr/lib/portage/pym/portage/package/ebuild/config.py", line 537, in __init__
    strict_umatched_removal=_unmatched_removal)
  File "/usr/lib/portage/pym/portage/package/ebuild/_config/MaskManager.py", line 33, in __init__
    master_lines = grabfile_package(os.path.join(master.location, "profiles", "package.mask"), \
  File "/usr/lib/portage/pym/portage/__init__.py", line 226, in __call__
    rval = self._func(*wrapped_args, **wrapped_kwargs)
  File "/usr/lib/python2.6/posixpath.py", line 67, in join
    elif path == '' or path.endswith('/'):
AttributeError: 'NoneType' object has no attribute 'endswith'
 * emerge --sync failed
 * Time statistics:
     6 seconds for syncing
     7 seconds total
~ ◾                                         22:24 Пнд 2010-12-20 root@l4n732nu5

и

~ ◾ emerge --info                           22:51 Пнд 2010-12-20 root@l4n732nu5
!!! Repository name or alias 'gentoo', defined for repository 'funtoo', overrides existing alias or repository.
!!! main-repo not set in DEFAULT and PORTDIR is empty. 
!!! Location not set for repository gentoo
!!! Location not set for repository funtoo
Traceback (most recent call last):
  File "/usr/bin/emerge", line 43, in <module>
    retval = emerge_main()
  File "/usr/lib/portage/pym/_emerge/main.py", line 1311, in emerge_main
    settings, trees, mtimedb = load_emerge_config()
  File "/usr/lib/portage/pym/_emerge/actions.py", line 2856, in load_emerge_config
    trees = portage.create_trees(trees=trees, **kwargs)
  File "/usr/lib/portage/pym/portage/__init__.py", line 508, in create_trees
    config_incrementals=portage.const.INCREMENTALS)
  File "/usr/lib/portage/pym/portage/proxy/objectproxy.py", line 31, in __call__
    return result(*args, **kwargs)
  File "/usr/lib/portage/pym/portage/package/ebuild/config.py", line 537, in __init__
    strict_umatched_removal=_unmatched_removal)
  File "/usr/lib/portage/pym/portage/package/ebuild/_config/MaskManager.py", line 33, in __init__
    master_lines = grabfile_package(os.path.join(master.location, "profiles", "package.mask"), \
  File "/usr/lib/portage/pym/portage/__init__.py", line 226, in __call__
    rval = self._func(*wrapped_args, **wrapped_kwargs)
  File "/usr/lib/python2.6/posixpath.py", line 67, in join
    elif path == '' or path.endswith('/'):
AttributeError: 'NoneType' object has no attribute 'endswith'
~ ◾                                         22:51 Пнд 2010-12-20 root@l4n732nu5

/etc/make.conf
У кого-то было подобное?
________________________________________________________
А, да:

~ ◾ python -V                               22:55 Пнд 2010-12-20 root@l4n732nu5
Python 2.6.5
~ ◾ eselect python list                     22:55 Пнд 2010-12-20 root@l4n732nu5
Available Python interpreters:
  [1]   python2.6 *
  [2]   python3.1
~ ◾                                         22:55 Пнд 2010-12-20 root@l4n732nu5