~$ software-center 
2011-08-03 22:20:16,534 - softwarecenter.fixme - WARNING - logs to the root logger: '('/usr/share/software-center/softwarecenter/view/widgets/mkit_themes.py', 675, 'retrieve')'
2011-08-03 22:20:16,533 - root - WARNING - No styling hints for greybird were found... using Human hints.
/usr/share/software-center/softwarecenter/app.py:1191: Warning: g_object_set_qdata: assertion `G_IS_OBJECT (object)' failed
  self.window_main.show_all()
2011-08-03 22:20:17,927 - softwarecenter.fixme - WARNING - logs to the root logger: '('/usr/lib/pymodules/python2.7/zeitgeist/client.py', 367, 'reconnect_monitors')'
2011-08-03 22:20:17,927 - zeitgeist.client - INFO - Reconnected to Zeitgeist engine...
/usr/share/software-center/softwarecenter/SimpleGtkbuilderApp.py:50: Warning: g_object_set_qdata: assertion `G_IS_OBJECT (object)' failed
  gtk.main()
2011-08-03 22:20:23,743 - softwarecenter.app - INFO - software-center-agent finished with status 1
WARNING:root:No styling hints for greybird were found... using Human hints.
ERROR:root:GwibberHelper.accounts() failed
Traceback (most recent call last):
  File "/usr/share/software-center/softwarecenter/gwibber_helper.py", line 44, in accounts
    "/com/gwibber/Accounts")
  File "/usr/lib/pymodules/python2.7/dbus/bus.py", line 244, in get_object
    follow_name_owner_changes=follow_name_owner_changes)
  File "/usr/lib/pymodules/python2.7/dbus/proxies.py", line 241, in __init__
    self._named_service = conn.activate_name_owner(bus_name)
  File "/usr/lib/pymodules/python2.7/dbus/bus.py", line 183, in activate_name_owner
    self.start_service_by_name(bus_name)
  File "/usr/lib/pymodules/python2.7/dbus/bus.py", line 281, in start_service_by_name
    'su', (bus_name, flags)))
  File "/usr/lib/pymodules/python2.7/dbus/connection.py", line 630, in call_blocking
    message, timeout)
DBusException: org.freedesktop.DBus.Error.ServiceUnknown: The name com.Gwibber.Accounts was not provided by any .service files
ERROR:root:submit_review
Traceback (most recent call last):
  File "/usr/share/software-center/submit_review.py", line 271, in _submit_reviews_if_pending
    res = self.rnrclient.submit_review(review=piston_review)
  File "/usr/lib/python2.7/dist-packages/piston_mini_client/validators.py", line 61, in wrapper
    return func(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/piston_mini_client/__init__.py", line 90, in wrapper
    body = func(self, *args, **kwargs)
  File "/usr/share/software-center/softwarecenter/backend/rnrclient_pristine.py", line 131, in submit_review
    scheme=AUTHENTICATED_API_SCHEME, content_type='application/json')
  File "/usr/lib/python2.7/dist-packages/piston_mini_client/__init__.py", line 255, in _post
    headers=headers, scheme=scheme)
  File "/usr/lib/python2.7/dist-packages/piston_mini_client/__init__.py", line 329, in _request
    body = handler.handle(response, body)
  File "/usr/lib/python2.7/dist-packages/piston_mini_client/failhandlers.py", line 59, in handle
    raise APIError('%s: %s' % (response['status'], response), body)
APIError: 400: {'status': '400', 'content-length': '90', 'via': '1.1 reviews.ubuntu.com', 'vary': 'Authorization,Accept-Encoding', 'server': 'Apache/2.2.14 (Ubuntu)', 'connection': 'close', 'date': 'Wed, 03 Aug 2011 21:21:20 GMT', 'content-type': 'text/html; charset=utf-8'}
2011-08-03 22:22:05,361 - softwarecenter.view.softwarepane - INFO - discarding new model (2 != 3)
2011-08-03 22:22:40,053 - softwarecenter.backend - WARNING - _on_trans_error: org.freedesktop.DBus.Error.NoReply: Did not receive a reply. Possible causes include: the remote application did not send a reply, the message bus security policy blocked the reply, the reply timeout expired, or the network connection was broken.
debconf: DbDriver "passwords" warning: could not open /var/cache/debconf/passwords.dat: Permiso denegado
debconf: DbDriver "passwords" warning: could not open /var/cache/debconf/passwords.dat: Permiso denegado
debconf: DbDriver "passwords" warning: could not open /var/cache/debconf/passwords.dat: Permiso denegado
debconf: DbDriver "passwords" warning: could not open /var/cache/debconf/passwords.dat: Permiso denegado
/usr/share/software-center/softwarecenter/apt/aptcache.py:45: Warning: g_object_set_qdata: assertion `G_IS_OBJECT (object)' failed
  gtk.main_iteration()
/usr/share/software-center/softwarecenter/apt/apthistory.py:138: Warning: g_object_set_qdata: assertion `G_IS_OBJECT (object)' failed
  self.main_context.iteration()
2011-08-03 22:36:20,400 - softwarecenter.view.softwarepane - INFO - discarding new model (6 != 8)
WARNING:root:No styling hints for greybird were found... using Human hints.
ERROR:root:submit_review
Traceback (most recent call last):
  File "/usr/share/software-center/submit_review.py", line 271, in _submit_reviews_if_pending
    res = self.rnrclient.submit_review(review=piston_review)
  File "/usr/lib/python2.7/dist-packages/piston_mini_client/validators.py", line 61, in wrapper
    return func(*args, **kwargs)
  File "/usr/lib/python2.7/dist-packages/piston_mini_client/__init__.py", line 90, in wrapper
    body = func(self, *args, **kwargs)
  File "/usr/share/software-center/softwarecenter/backend/rnrclient_pristine.py", line 131, in submit_review
    scheme=AUTHENTICATED_API_SCHEME, content_type='application/json')
  File "/usr/lib/python2.7/dist-packages/piston_mini_client/__init__.py", line 255, in _post
    headers=headers, scheme=scheme)
  File "/usr/lib/python2.7/dist-packages/piston_mini_client/__init__.py", line 329, in _request
    body = handler.handle(response, body)
  File "/usr/lib/python2.7/dist-packages/piston_mini_client/failhandlers.py", line 59, in handle
    raise APIError('%s: %s' % (response['status'], response), body)
APIError: 400: {'status': '400', 'content-length': '90', 'via': '1.1 reviews.ubuntu.com', 'vary': 'Authorization,Accept-Encoding', 'server': 'Apache/2.2.14 (Ubuntu)', 'connection': 'close', 'date': 'Wed, 03 Aug 2011 21:37:27 GMT', 'content-type': 'text/html; charset=utf-8'}