>>> Updating Portage cache:  100%


Performing Global Updates: /usr/portage/profiles/updates/4Q-2006
(Could take a couple of minutes if you have a lot of binary packages.)
  .='update pass'  *='binary update'  @='/var/db move'
  s='/var/db SLOT move' S='binary SLOT move' p='update /etc/portage/package.*'
......
pTraceback (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 2926, in action_sync
    portage.global_updates(
  File "/usr/lib/portage/pym/portage.py", line 6656, in global_updates
    myupd)
  File "/usr/lib/portage/pym/portage_update.py", line 198, in update_config_file                                                                                      
s
    write_atomic(updating_file, "".join(file_contents[x]))
  File "/usr/lib/portage/pym/portage_util.py", line 728, in write_atomic
    f.close()
  File "/usr/lib/portage/pym/portage_util.py", line 696, in close
    os.rename(self.name, self._real_name)
OSError: [Errno 16] Device or resource busy