[warren@newcaprica ltsp-trunk]$ rpm -qa 'bzr*'
bzr-1.14-0.2.rc1.fc11.x86_64
bzr-gtk-0.95.0-4.fc11.x86_64
[warren@newcaprica ltsp-trunk]$ bzr info
Standalone tree (format: pack-0.92)
Location:
  branch root: .

Related branches:
    push branch: bzr+ssh://<email address hidden>/%7Eltsp-upstream/ltsp/ltsp-trunk/
  parent branch: bzr+ssh://<email address hidden>/%7Eltsp-upstream/ltsp/ltsp-trunk/
[warren@newcaprica ltsp-trunk]$ bzr viz
/usr/lib64/python2.6/site-packages/bzrlib/plugins/gtk/ui.py:224: DeprecationWarning: bzrlib.progress.ProgressBarStack was deprecated in version 1.12.
  self._progress_bar_stack = progress.ProgressBarStack(klass=widget)
bzr: ERROR: dbus.exceptions.DBusException: org.freedesktop.DBus.Error.Spawn.ChildExited: Launch helper exited with unknown return code 0

Traceback (most recent call last):
  File "/usr/lib64/python2.6/site-packages/bzrlib/commands.py", line 727, in exception_to_return_code
    return the_callable(*args, **kwargs)
  File "/usr/lib64/python2.6/site-packages/bzrlib/commands.py", line 922, in run_bzr
    ret = run(*run_argv)
  File "/usr/lib64/python2.6/site-packages/bzrlib/commands.py", line 559, in run_argv_aliases
    return self.run(**all_cmd_args)
  File "/usr/lib64/python2.6/site-packages/bzrlib/plugins/gtk/__init__.py", line 288, in run
    pp = start_viz_window(br, revids, limit)
  File "/usr/lib64/python2.6/site-packages/bzrlib/plugins/gtk/__init__.py", line 256, in start_viz_window
    from bzrlib.plugins.gtk.viz import BranchWindow
  File "/usr/lib64/python2.6/site-packages/bzrlib/plugins/gtk/viz/__init__.py", line 14, in <module>
    from branchwin import BranchWindow
  File "/usr/lib64/python2.6/site-packages/bzrlib/plugins/gtk/viz/branchwin.py", line 18, in <module>
    from bzrlib.plugins.gtk.tags import AddTagDialog
  File "/usr/lib64/python2.6/site-packages/bzrlib/plugins/gtk/tags.py", line 27, in <module>
    from bzrlib.plugins.gtk.revisionview import RevisionView
  File "/usr/lib64/python2.6/site-packages/bzrlib/plugins/gtk/revisionview.py", line 32, in <module>
    from bzrlib.plugins.gtk import seahorse
  File "/usr/lib64/python2.6/site-packages/bzrlib/plugins/gtk/seahorse.py", line 33, in <module>
    crypto = dbus.Interface(bus.get_object(BUS_NAME, CRYPTO_PATH),
  File "/usr/lib/python2.6/site-packages/dbus/bus.py", line 244, in get_object
    follow_name_owner_changes=follow_name_owner_changes)
  File "/usr/lib/python2.6/site-packages/dbus/proxies.py", line 241, in __init__
    self._named_service = conn.activate_name_owner(bus_name)
  File "/usr/lib/python2.6/site-packages/dbus/bus.py", line 183, in activate_name_owner
    self.start_service_by_name(bus_name)
  File "/usr/lib/python2.6/site-packages/dbus/bus.py", line 281, in start_service_by_name
    'su', (bus_name, flags)))
  File "/usr/lib/python2.6/site-packages/dbus/connection.py", line 630, in call_blocking
    message, timeout)
DBusException: org.freedesktop.DBus.Error.Spawn.ChildExited: Launch helper exited with unknown return code 0

bzr 1.14rc1 on python 2.6 (linux2)
arguments: ['/usr/bin/bzr', 'viz']
encoding: 'UTF-8', fsenc: 'UTF-8', lang: 'en_US.utf8'
plugins:
  gtk                  /usr/lib64/python2.6/site-packages/bzrlib/plugins/gtk [0.95.0.final.1]
  launchpad            /usr/lib64/python2.6/site-packages/bzrlib/plugins/launchpad [unknown]
  netrc_credential_store /usr/lib64/python2.6/site-packages/bzrlib/plugins/netrc_credential_store [unknown]
*** Bazaar has encountered an internal error.
    Please report a bug at https://bugs.launchpad.net/bzr/+filebug
    including this traceback, and a description of what you
    were doing when the error occurred.