I have the same problem as Neil.  Fully updated Lucid and can't even get into Rhythmbox:

(19:27:16) [0x9304028] [rhythmdb_query_model_add_results] rhythmdb-query-model.c:2247: adding 0 entries
(19:27:16) [0x9304028] [idle_process_update] rhythmdb-query-model.c:1186: inserting 0 rows
(19:27:16) [0x9304028] [rhythmdb_query_internal] rhythmdb.c:4132: completed
(19:27:16) [0x9304028] [rhythmdb_query_model_dispose] rhythmdb-query-model.c:730: disposing query model 0x9638a30
(19:27:16) [0x9304028] [rhythmdb_query_model_finalize] rhythmdb-query-model.c:778: finalizing query model 0x9638a30
(19:27:16) [0x9304028] [rb_sourcelist_append] rb-sourcelist.c:1111: inserting source 0x9bb9000 to group library
(19:27:16) [0x9304028] [rb_plugin_find_file] rb-plugin.c:329: found '/usr/lib/rhythmbox/plugins/iradio/iradio-ui.xml' when searching for file 'iradio-ui.xml' for plugin 'iradio'
(19:27:16) [0x9304028] [rb_plugins_engine_load] rb-plugins-engine.c:116: Loading plugin: /usr/lib/rhythmbox/plugins/jamendo/jamendo.rb-plugin
(19:27:16) [0x9304028] [rb_plugins_engine_load] rb-plugins-engine.c:206: Could not find 'Icon' in /usr/lib/rhythmbox/plugins/jamendo/jamendo.rb-plugin
(19:27:16) [0x9304028] [rb_plugins_engine_load_cb] rb-plugins-engine.c:299: Plugin Jamendo loaded
(19:27:16) [0x9304028] [rb_python_module_init] rb-python-module.c:440: Init of python module
(19:27:16) [0x9304028] [rb_python_object_get_type] rb-python-plugin.c:274: Registering python plugin instance: Jamendo+RBPythonPlugin
(19:27:16) [0x9304028] [rb_python_module_new_object] rb-python-module.c:413: Creating object of type Jamendo+RBPythonPlugin
(19:27:16) [0x9304028] [rb_python_object_init] rb-python-plugin.c:204: Creating python plugin instance
(19:27:16) [0x9304028] [rhythmdb_tree_entry_type_registered] rhythmdb-tree.c:2691: no entries of newly registered type JamendoEntryType loaded from db
(19:27:16) [0x9304028] [rb_find_user_file] rb-file-helpers.c:224: found user dir path for 'jamendo': /home/clockworkpc/.cache/rhythmbox/jamendo
(19:27:16) [0x9304028] [rb_property_view_selection_changed_cb] rb-property-view.c:834: selection changed
(19:27:16) [0x9304028] [rhythmdb_query_model_chain] rhythmdb-query-model.c:896: query model 0x9652008 chaining to base model (nil)
(19:27:16) [0x9304028] [rb_entry_view_insert_column_custom] rb-entry-view.c:1755: appending column: 0x9bc0ae0 (Track)
(19:27:16) [0x9304028] [rb_entry_view_insert_column_custom] rb-entry-view.c:1755: appending column: 0x9bc0be0 (Title)
(19:27:16) [0x9304028] [rb_entry_view_insert_column_custom] rb-entry-view.c:1755: appending column: 0x9bc0ce0 (Genre)
(19:27:16) [0x9304028] [rb_entry_view_insert_column_custom] rb-entry-view.c:1755: appending column: 0x9bc0de0 (Artist)
(19:27:16) [0x9304028] [rb_entry_view_insert_column_custom] rb-entry-view.c:1755: appending column: 0x9bc0ee0 (Album)
(19:27:16) [0x9304028] [rb_entry_view_insert_column_custom] rb-entry-view.c:1755: appending column: 0x9bc6058 (Year)
(19:27:16) [0x9304028] [rb_entry_view_insert_column_custom] rb-entry-view.c:1755: appending column: 0x9bc62d8 (Time)
(19:27:16) [0x9304028] [rb_entry_view_insert_column_custom] rb-entry-view.c:1755: appending column: 0x9bc6158 (Quality)
(19:27:16) [0x9304028] [rb_entry_view_insert_column_custom] rb-entry-view.c:1755: appending column: 0x9bc6358 (Play Count)
(19:27:16) [0x9304028] [rb_entry_view_insert_column_custom] rb-entry-view.c:1755: appending column: 0x9bc65d8 (Location)
(19:27:16) [0x9304028] [rb_browser_source_state_prefs_sync] rb-browser-source.c:759: syncing state
(19:27:16) [0x9304028] [rhythmdb_query_model_chain] rhythmdb-query-model.c:896: query model 0x9652078 chaining to base model (nil)
(19:27:16) [0x9304028] [rebuild_child_model] rb-library-browser.c:692: no selection for browser 0 - reusing parent model
(19:27:16) [0x9304028] [rebuild_child_model] rb-library-browser.c:692: no selection for browser 1 - reusing parent model
(19:27:16) [0x9304028] [rebuild_child_model] rb-library-browser.c:692: no selection for browser 2 - reusing parent model
(19:27:16) [0x9304028] [rhythmdb_query_model_dispose] rhythmdb-query-model.c:730: disposing query model 0x9652008
(19:27:16) [0x9304028] [rhythmdb_query_model_finalize] rhythmdb-query-model.c:778: finalizing query model 0x9652008
(19:27:16) [0x9304028] [rb_property_view_selection_changed_cb] rb-property-view.c:834: selection changed
(19:27:16) [0x9304028] [rb_property_view_selection_changed_cb] rb-property-view.c:834: selection changed
(19:27:16) [0x9304028] [rb_property_view_selection_changed_cb] rb-property-view.c:834: selection changed
(19:27:16) [0x9304028] [rhythmdb_query_model_chain] rhythmdb-query-model.c:896: query model 0x9652008 chaining to base model (nil)
(19:27:16) [0x9304028] [rhythmdb_read_enter] rhythmdb.c:1253: counter: 5
(19:27:16) [0x95df9e0] [query_thread_main] rhythmdb.c:4149: entering query thread
(19:27:16) [0x95df9e0] [rhythmdb_query_internal] rhythmdb.c:4126: doing query
(19:27:16) [0x95df9e0] [do_query_recurse] rhythmdb-tree.c:2252: doing recursive query, 1 conjunctions
(19:27:16) [0x95df9e0] [rhythmdb_query_model_add_results] rhythmdb-query-model.c:2247: adding 0 entries
(19:27:16) [0x95df9e0] [rhythmdb_query_internal] rhythmdb.c:4132: completed
(19:27:16) [0x9304028] [rb_sourcelist_append] rb-sourcelist.c:1111: inserting source 0x9bbf008 to group stores
(19:27:16) [0x9304028] [rb_plugins_engine_load] rb-plugins-engine.c:116: Loading plugin: /usr/lib/rhythmbox/plugins/lyrics/lyrics.rb-plugin
(19:27:16) [0x9304028] [rb_plugins_engine_load] rb-plugins-engine.c:206: Could not find 'Icon' in /usr/lib/rhythmbox/plugins/lyrics/lyrics.rb-plugin
(19:27:16) [0x9304028] [rb_plugins_engine_load_cb] rb-plugins-engine.c:299: Plugin Song Lyrics loaded
(19:27:16) [0x9304028] [rb_plugins_engine_load] rb-plugins-engine.c:116: Loading plugin: /usr/lib/rhythmbox/plugins/magnatune/magnatune.rb-plugin
(19:27:16) [0x9304028] [rb_plugins_engine_load] rb-plugins-engine.c:206: Could not find 'Icon' in /usr/lib/rhythmbox/plugins/magnatune/magnatune.rb-plugin
(19:27:16) [0x9304028] [rb_plugins_engine_load_cb] rb-plugins-engine.c:299: Plugin Magnatune Store loaded
(19:27:16) [0x9304028] [rb_python_module_init] rb-python-module.c:440: Init of python module
(19:27:16) [0x9304028] [rb_python_object_get_type] rb-python-plugin.c:274: Registering python plugin instance: Magnatune+RBPythonPlugin
(19:27:16) [0x9304028] [rb_python_module_new_object] rb-python-module.c:413: Creating object of type Magnatune+RBPythonPlugin
(19:27:16) [0x9304028] [rb_python_object_init] rb-python-plugin.c:204: Creating python plugin instance
(19:27:16) [0x9304028] [rhythmdb_tree_entry_type_registered] rhythmdb-tree.c:2691: no entries of newly registered type MagnatuneEntryType loaded from db
(19:27:16) [0x9304028] [rb_property_view_selection_changed_cb] rb-property-view.c:834: selection changed
(19:27:16) [0x9304028] [rhythmdb_query_model_chain] rhythmdb-query-model.c:896: query model 0x9bd2eb0 chaining to base model (nil)
(19:27:16) [0x9304028] [rb_entry_view_insert_column_custom] rb-entry-view.c:1755: appending column: 0x9bc8bb0 (Track)
(19:27:16) [0x9304028] [rb_entry_view_insert_column_custom] rb-entry-view.c:1755: appending column: 0x9bc8db0 (Title)
(19:27:16) [0x9304028] [rb_entry_view_insert_column_custom] rb-entry-view.c:1755: appending column: 0x9bc8eb0 (Genre)
(19:27:16) [0x9304028] [rb_entry_view_insert_column_custom] rb-entry-view.c:1755: appending column: 0x9bc8cb0 (Artist)
(19:27:16) [0x9304028] [rb_entry_view_insert_column_custom] rb-entry-view.c:1755: appending column: 0x9c38028 (Album)
(19:27:16) [0x9304028] [rb_entry_view_insert_column_custom] rb-entry-view.c:1755: appending column: 0x9c38128 (Year)
(19:27:16) [0x9304028] [rb_entry_view_insert_column_custom] rb-entry-view.c:1755: appending column: 0x9c383a8 (Time)
(19:27:16) [0x9304028] [rb_entry_view_insert_column_custom] rb-entry-view.c:1755: appending column: 0x9c38528 (Quality)
(19:27:16) [0x9304028] [rb_entry_view_insert_column_custom] rb-entry-view.c:1755: appending column: 0x9c38228 (Play Count)
(19:27:16) [0x9304028] [rb_entry_view_insert_column_custom] rb-entry-view.c:1755: appending column: 0x9c38428 (Location)
(19:27:16) [0x9304028] [rb_browser_source_state_prefs_sync] rb-browser-source.c:759: syncing state
(19:27:16) [0x9304028] [rhythmdb_query_model_chain] rhythmdb-query-model.c:896: query model 0x9bd2f20 chaining to base model (nil)
(19:27:16) [0x9304028] [rebuild_child_model] rb-library-browser.c:692: no selection for browser 0 - reusing parent model
(19:27:16) [0x9304028] [rebuild_child_model] rb-library-browser.c:692: no selection for browser 1 - reusing parent model
(19:27:16) [0x9304028] [rebuild_child_model] rb-library-browser.c:692: no selection for browser 2 - reusing parent model
(19:27:16) [0x9304028] [rhythmdb_query_model_dispose] rhythmdb-query-model.c:730: disposing query model 0x9bd2eb0
(19:27:16) [0x9304028] [rhythmdb_query_model_finalize] rhythmdb-query-model.c:778: finalizing query model 0x9bd2eb0
(19:27:16) [0x9304028] [rb_property_view_selection_changed_cb] rb-property-view.c:834: selection changed
(19:27:16) [0x9304028] [rb_property_view_selection_changed_cb] rb-property-view.c:834: selection changed
(19:27:16) [0x9304028] [rb_property_view_selection_changed_cb] rb-property-view.c:834: selection changed
(19:27:16) [0x9304028] [rhythmdb_query_model_chain] rhythmdb-query-model.c:896: query model 0x9c37060 chaining to base model (nil)
(19:27:16) [0x9304028] [rhythmdb_read_enter] rhythmdb.c:1253: counter: 6
(19:27:16) [0x95df9e0] [query_thread_main] rhythmdb.c:4149: entering query thread
(19:27:16) [0x95df9e0] [rhythmdb_query_internal] rhythmdb.c:4126: doing query
(19:27:16) [0x95df9e0] [do_query_recurse] rhythmdb-tree.c:2252: doing recursive query, 1 conjunctions
(19:27:16) [0x95df9e0] [rhythmdb_query_model_add_results] rhythmdb-query-model.c:2247: adding 0 entries
(19:27:16) [0x95df9e0] [rhythmdb_query_internal] rhythmdb.c:4132: completed
(19:27:16) [0x9304028] [rb_sourcelist_append] rb-sourcelist.c:1111: inserting source 0x9bbf0e0 to group stores
(19:27:16) [0x9304028] [rb_plugins_engine_load] rb-plugins-engine.c:116: Loading plugin: /usr/lib/rhythmbox/plugins/mmkeys/mmkeys.rb-plugin
(19:27:16) [0x9304028] [rb_plugins_engine_load] rb-plugins-engine.c:206: Could not find 'Icon' in /usr/lib/rhythmbox/plugins/mmkeys/mmkeys.rb-plugin
(19:27:16) [0x9304028] [rb_plugins_engine_load_cb] rb-plugins-engine.c:299: Plugin Media Player Keys loaded
(19:27:16) [0x9304028] [rb_module_init] rb-module.c:140: RBModule 0x94b9a90 initialising
(19:27:16) [0x9304028] [rb_module_load] rb-module.c:72: Loading /usr/lib/rhythmbox/plugins/mmkeys/libmmkeys.so
(19:27:16) [0x9304028] [register_rb_plugin] rb-mmkeys-plugin.c:86: Registering plugin RBMMKeysPlugin
(19:27:16) [0x9304028] [rb_module_new_object] rb-module.c:125: Creating object of type RBMMKeysPlugin
(19:27:16) [0x9304028] [rb_mmkeys_plugin_init] rb-mmkeys-plugin.c:93: RBMMKeysPlugin initialising
(19:27:16) [0x9304028] [impl_activate] rb-mmkeys-plugin.c:310: activating media player keys plugin
(19:27:16) [0x9304028] [impl_activate] rb-mmkeys-plugin.c:363: created dbus proxy for org.gnome.SettingsDaemon.MediaKeys; grabbing keys
(19:27:16) [0x9304028] [rb_plugins_engine_load] rb-plugins-engine.c:116: Loading plugin: /usr/lib/rhythmbox/plugins/mtpdevice/mtpdevice.rb-plugin
(19:27:16) [0x9304028] [rb_plugins_engine_load] rb-plugins-engine.c:206: Could not find 'Icon' in /usr/lib/rhythmbox/plugins/mtpdevice/mtpdevice.rb-plugin
(19:27:16) [0x9304028] [rb_plugins_engine_load_cb] rb-plugins-engine.c:299: Plugin Portable Players - MTP loaded
(19:27:16) [0x9304028] [rb_module_init] rb-module.c:140: RBModule 0x94e0750 initialising
(19:27:16) [0x9304028] [rb_module_load] rb-module.c:72: Loading /usr/lib/rhythmbox/plugins/mtpdevice/libmtpdevice.so
(19:27:16) [0x9304028] [register_rb_plugin] rb-mtp-plugin.c:119: Registering plugin RBMtpPlugin
(19:27:16) [0x9304028] [rb_module_new_object] rb-module.c:125: Creating object of type RBMtpPlugin
(19:27:16) [0x9304028] [rb_mtp_plugin_init] rb-mtp-plugin.c:156: RBMtpPlugin initialising
(19:27:16) [0x9304028] [rb_plugin_find_file] rb-plugin.c:329: found '/usr/lib/rhythmbox/plugins/mtpdevice/mtp-ui.xml' when searching for file 'mtp-ui.xml' for plugin 'mtpdevice'
(19:27:16) [0x9304028] [rb_plugins_engine_load] rb-plugins-engine.c:116: Loading plugin: /usr/lib/rhythmbox/plugins/power-manager/power-manager.rb-plugin
(19:27:16) [0x9304028] [rb_plugins_engine_load] rb-plugins-engine.c:206: Could not find 'Icon' in /usr/lib/rhythmbox/plugins/power-manager/power-manager.rb-plugin
(19:27:16) [0x9304028] [rb_plugins_engine_load_cb] rb-plugins-engine.c:299: Plugin Power Manager loaded
(19:27:16) [0x9304028] [rb_plugins_engine_load] rb-plugins-engine.c:116: Loading plugin: /usr/lib/rhythmbox/plugins/python-console/pythonconsole.rb-plugin
(19:27:16) [0x9304028] [rb_plugins_engine_load] rb-plugins-engine.c:206: Could not find 'Icon' in /usr/lib/rhythmbox/plugins/python-console/pythonconsole.rb-plugin
(19:27:16) [0x9304028] [rb_plugins_engine_load_cb] rb-plugins-engine.c:299: Plugin Python Console loaded
(19:27:16) [0x9304028] [rb_plugins_engine_load] rb-plugins-engine.c:116: Loading plugin: /usr/lib/rhythmbox/plugins/rblirc/lirc.rb-plugin
(19:27:16) [0x9304028] [rb_plugins_engine_load] rb-plugins-engine.c:206: Could not find 'Icon' in /usr/lib/rhythmbox/plugins/rblirc/lirc.rb-plugin
(19:27:16) [0x9304028] [rb_plugins_engine_load_cb] rb-plugins-engine.c:299: Plugin LIRC  loaded
(19:27:16) [0x9304028] [rb_plugins_engine_load] rb-plugins-engine.c:116: Loading plugin: /usr/lib/rhythmbox/plugins/replaygain/replaygain.rb-plugin
(19:27:16) [0x9304028] [rb_plugins_engine_load] rb-plugins-engine.c:206: Could not find 'Icon' in /usr/lib/rhythmbox/plugins/replaygain/replaygain.rb-plugin
(19:27:16) [0x9304028] [rb_plugins_engine_load_cb] rb-plugins-engine.c:299: Plugin ReplayGain loaded
(19:27:16) [0x9304028] [rb_plugins_engine_load] rb-plugins-engine.c:116: Loading plugin: /usr/lib/rhythmbox/plugins/sendto/sendto.rb-plugin
(19:27:16) [0x9304028] [rb_plugins_engine_load] rb-plugins-engine.c:206: Could not find 'Icon' in /usr/lib/rhythmbox/plugins/sendto/sendto.rb-plugin
(19:27:16) [0x9304028] [rb_plugins_engine_load] rb-plugins-engine.c:238: Could not find 'Website' in /usr/lib/rhythmbox/plugins/sendto/sendto.rb-plugin
(19:27:16) [0x9304028] [rb_plugins_engine_load_cb] rb-plugins-engine.c:299: Plugin Send tracks loaded
(19:27:16) [0x9304028] [rb_plugins_engine_load] rb-plugins-engine.c:116: Loading plugin: /usr/lib/rhythmbox/plugins/status-icon/status-icon.rb-plugin
(19:27:16) [0x9304028] [rb_plugins_engine_load] rb-plugins-engine.c:206: Could not find 'Icon' in /usr/lib/rhythmbox/plugins/status-icon/status-icon.rb-plugin
(19:27:16) [0x9304028] [rb_plugins_engine_load_cb] rb-plugins-engine.c:299: Plugin Status Icon loaded
(19:27:16) [0x9304028] [rb_module_init] rb-module.c:140: RBModule 0x94bb490 initialising
(19:27:16) [0x9304028] [rb_module_load] rb-module.c:72: Loading /usr/lib/rhythmbox/plugins/status-icon/libstatus-icon.so
(19:27:16) [0x9304028] [register_rb_plugin] rb-status-icon-plugin.c:139: Registering plugin RBStatusIconPlugin
(19:27:16) [0x9304028] [rb_module_new_object] rb-module.c:125: Creating object of type RBStatusIconPlugin
(19:27:16) [0x9304028] [rb_status_icon_plugin_init] rb-status-icon-plugin.c:1520: RBStatusIconPlugin initialising
(19:27:16) [0x9304028] [impl_activate] rb-status-icon-plugin.c:1328: activating status icon plugin
(19:27:16) [0x9304028] [rb_plugin_find_file] rb-plugin.c:329: found '/usr/lib/rhythmbox/plugins/status-icon/status-icon-ui.xml' when searching for file 'status-icon-ui.xml' for plugin 'status-icon'
(19:27:16) [0x9304028] [rb_shell_player_get_playing_song_duration] rb-shell-player.c:3363: Did not get playing entry : return -1 as length
(19:27:16) [0x9304028] [rb_plugins_engine_load] rb-plugins-engine.c:116: Loading plugin: /usr/lib/rhythmbox/plugins/visualizer/visualizer.rb-plugin
(19:27:16) [0x9304028] [rb_plugins_engine_load] rb-plugins-engine.c:206: Could not find 'Icon' in /usr/lib/rhythmbox/plugins/visualizer/visualizer.rb-plugin
(19:27:16) [0x9304028] [rb_plugins_engine_load_cb] rb-plugins-engine.c:299: Plugin Visualization loaded
(19:27:16) [0x9304028] [rb_module_init] rb-module.c:140: RBModule 0x94bb7b0 initialising
(19:27:16) [0x9304028] [rb_module_load] rb-module.c:72: Loading /usr/lib/rhythmbox/plugins/visualizer/libvisualizer.so
(19:27:16) [0x9304028] [register_rb_plugin] rb-visualizer-plugin.c:249: Registering plugin RBVisualizerPlugin
(19:27:16) [0x9304028] [rb_module_new_object] rb-module.c:125: Creating object of type RBVisualizerPlugin
(19:27:16) [0x9304028] [rb_visualizer_plugin_init] rb-visualizer-plugin.c:275: RBVisualizerPlugin initialising
(19:27:16) [0x9304028] [impl_activate] rb-visualizer-plugin.c:1638: using playbin-based visualization
(19:27:16) [0x9304028] [rb_plugin_find_file] rb-plugin.c:329: found '/usr/lib/rhythmbox/plugins/visualizer/visualizer-ui.xml' when searching for file 'visualizer-ui.xml' for plugin 'visualizer'
(19:27:16) [0x9304028] [rb_plugin_find_file] rb-plugin.c:329: found '/usr/lib/rhythmbox/plugins/visualizer/visualizer-controls.ui' when searching for file 'visualizer-controls.ui' for plugin 'visualizer'
(19:27:16) [0x9304028] [get_vis_plugin_list] rb-visualizer-plugin.c:1937: building vis plugin list
(19:27:16) [0x9304028] [get_vis_plugin_list] rb-visualizer-plugin.c:1950: adding visualizer element: libvisual oinksie plugin plugin v.0.1 (libvisual_oinksie)
(19:27:16) [0x9304028] [get_vis_plugin_list] rb-visualizer-plugin.c:1950: adding visualizer element: libvisual libvisual scope plugin v.0.1 (libvisual_lv_scope)
(19:27:16) [0x9304028] [get_vis_plugin_list] rb-visualizer-plugin.c:1950: adding visualizer element: libvisual libvisual analyzer plugin v.1.0 (libvisual_lv_analyzer)
(19:27:16) [0x9304028] [get_vis_plugin_list] rb-visualizer-plugin.c:1950: adding visualizer element: libvisual jess plugin plugin v.0.1 (libvisual_jess)
(19:27:16) [0x9304028] [get_vis_plugin_list] rb-visualizer-plugin.c:1950: adding visualizer element: libvisual Jakdaw plugin plugin v.0.0.1 (libvisual_jakdaw)
(19:27:16) [0x9304028] [get_vis_plugin_list] rb-visualizer-plugin.c:1950: adding visualizer element: libvisual infinite plugin plugin v.0.1 (libvisual_infinite)
(19:27:16) [0x9304028] [get_vis_plugin_list] rb-visualizer-plugin.c:1950: adding visualizer element: libvisual libvisual corona plugin plugin v.0.1 (libvisual_corona)
(19:27:16) [0x9304028] [get_vis_plugin_list] rb-visualizer-plugin.c:1950: adding visualizer element: libvisual Bumpscope plugin plugin v.0.0.1 (libvisual_bumpscope)
(19:27:16) [0x9304028] [get_vis_plugin_list] rb-visualizer-plugin.c:1950: adding visualizer element: Monoscope (monoscope)
(19:27:16) [0x9304028] [get_vis_plugin_list] rb-visualizer-plugin.c:1950: adding visualizer element: GOOM: what a GOOM! (goom)
(19:27:16) [0x9304028] [get_vis_plugin_list] rb-visualizer-plugin.c:1950: adding visualizer element: GOOM: what a GOOM! 2k1 edition (goom2k1)
(19:27:16) [0x9304028] [populate_combo_boxes] rb-visualizer-plugin.c:2089: populating screen selection combo box with 1 screens
(19:27:16) [0x9304028] [populate_combo_boxes] rb-visualizer-plugin.c:2110: populating screen selection combo box with 2 monitors from screen 0
(19:27:16) [0x9304028] [populate_combo_boxes] rb-visualizer-plugin.c:2117: appending <0,0> to store
(19:27:16) [0x9304028] [populate_combo_boxes] rb-visualizer-plugin.c:2117: appending <0,1> to store
(19:27:16) [0x9304028] [populate_combo_boxes] rb-visualizer-plugin.c:2126: current output is on 0.0, id 0
(19:27:16) [0x9304028] [screen_list_cell_data] rb-visualizer-plugin.c:2000: displaying 0.0 (0xbfd346e0)
(19:27:16) [0x9304028] [screen_list_cell_data] rb-visualizer-plugin.c:2000: displaying 0.1 (0xbfd346e0)
(19:27:16) [0x9304028] [can_draw_on_desktop] rb-visualizer-plugin.c:370: screen is composited: probably can't draw on desktop
(19:27:16) [0x9304028] [show_controls] rb-visualizer-plugin.c:869: showing controls
(19:27:16) [0x9304028] [rb_shell_constructed] rb-shell.c:1568: loading database
(19:27:16) [0x9304028] [rb_shell_constructed] rb-shell.c:1571: shell: syncing window state
(19:27:16) [0x9304028] [visibility_changing_cb] rb-status-icon-plugin.c:1080: setting initial visibility 0 from gconf
(19:27:16) [0x9304028] [rb_shell_set_visibility] rb-shell.c:1688: hiding main window
(19:27:16) [0x9304028] [shell_selected_source_notify_cb] rb-disc-recorder-plugin.c:655: RBDiscRecorderPlugin selected source changed
(rhythmbox:27471): Rhythmbox-DEBUG: Received SaveYourself(SmSaveLocal, !Shutdown, SmInteractStyleNone, !Fast) in state idle
(rhythmbox:27471): Rhythmbox-DEBUG: Setting initial properties
(rhythmbox:27471): Rhythmbox-DEBUG: Sending SaveYourselfDone(True) for initial SaveYourself
(rhythmbox:27471): Rhythmbox-DEBUG: Received SaveComplete message in state save-yourself-done
(19:27:16) [0x9c5e9b0] [rhythmdb_tree_parser_start_element] rhythmdb-tree.c:379: loading database version 1.6 (160)
(19:27:16) [0x9304028] [rb_browser_source_state_pref_changed] rb-browser-source.c:749: state prefs changed
(19:27:16) [0x9304028] [rb_browser_source_state_prefs_sync] rb-browser-source.c:759: syncing state
(19:27:16) [0x9304028] [rb_statusbar_sync_status] rb-statusbar.c:444: updating status with: '0 songs', '', -1.000000
(19:27:16) [0x9304028] [rb_shell_clipboard_entryview_changed_cb] rb-shell-clipboard.c:807: entryview changed
(19:27:16) [0x9304028] [rb_shell_clipboard_entryview_changed_cb] rb-shell-clipboard.c:807: entryview changed
(19:27:16) [0x9304028] [idle_process_update] rhythmdb-query-model.c:1186: inserting 0 rows
(19:27:16) [0x9304028] [idle_process_update] rhythmdb-query-model.c:1186: inserting 0 rows
(19:27:16) [0x9304028] [rebuild_child_model] rb-library-browser.c:692: no selection for browser 0 - reusing parent model
(19:27:16) [0x9304028] [rebuild_child_model] rb-library-browser.c:692: no selection for browser 1 - reusing parent model
(19:27:16) [0x9304028] [rebuild_child_model] rb-library-browser.c:692: no selection for browser 2 - reusing parent model
(19:27:16) [0x9304028] [rb_property_view_selection_changed_cb] rb-property-view.c:834: selection changed
(19:27:16) [0x9304028] [rb_property_view_selection_changed_cb] rb-property-view.c:834: selection changed
(19:27:16) [0x9304028] [rb_property_view_selection_changed_cb] rb-property-view.c:834: selection changed
(19:27:16) [0x9304028] [idle_process_update] rhythmdb-query-model.c:1186: inserting 0 rows
(19:27:16) [0x9304028] [rebuild_child_model] rb-library-browser.c:692: no selection for browser 0 - reusing parent model
(19:27:16) [0x9304028] [rebuild_child_model] rb-library-browser.c:692: no selection for browser 1 - reusing parent model
(19:27:16) [0x9304028] [rebuild_child_model] rb-library-browser.c:692: no selection for browser 2 - reusing parent model
(19:27:16) [0x9304028] [rb_property_view_selection_changed_cb] rb-property-view.c:834: selection changed
(19:27:16) [0x9304028] [rb_property_view_selection_changed_cb] rb-property-view.c:834: selection changed
(19:27:16) [0x9304028] [rb_property_view_selection_changed_cb] rb-property-view.c:834: selection changed
(19:27:16) [0x9304028] [dump_volume_identifiers] rb-removable-media-manager.c:664: unix-device = /dev/bus/usb/002/005
(19:27:16) [0x9304028] [rb_removable_media_manager_add_volume] rb-removable-media-manager.c:709: Unhandled media
(19:27:16) [0x9304028] [dump_volume_identifiers] rb-removable-media-manager.c:664: uuid = 5AB78A783A07B7DB
(19:27:16) [0x9304028] [dump_volume_identifiers] rb-removable-media-manager.c:664: unix-device = /dev/sda1
(19:27:16) [0x9304028] [dump_volume_identifiers] rb-removable-media-manager.c:664: label = windows
(19:27:16) [0x9304028] [rb_removable_media_manager_add_volume] rb-removable-media-manager.c:709: Unhandled media
(19:27:16) [0x9304028] [dump_volume_identifiers] rb-removable-media-manager.c:664: uuid = 795c62f1-ba5b-465b-814f-98f892be9bd0
(19:27:16) [0x9304028] [dump_volume_identifiers] rb-removable-media-manager.c:664: unix-device = /dev/sda5
(19:27:16) [0x9304028] [rb_removable_media_manager_add_volume] rb-removable-media-manager.c:709: Unhandled media
(19:27:16) [0x9304028] [dump_volume_identifiers] rb-removable-media-manager.c:664: uuid = 292deebb-7efd-4e83-8560-773dab3f7c13
(19:27:16) [0x9304028] [dump_volume_identifiers] rb-removable-media-manager.c:664: unix-device = /dev/sda8
(19:27:16) [0x9304028] [dump_volume_identifiers] rb-removable-media-manager.c:664: label = puppy
(19:27:16) [0x9304028] [rb_removable_media_manager_add_volume] rb-removable-media-manager.c:709: Unhandled media
(19:27:16) [0x9304028] [dump_volume_identifiers] rb-removable-media-manager.c:664: uuid = f35e1329-c0a9-4b66-ae8a-dd2abbd77ab9
(19:27:16) [0x9304028] [dump_volume_identifiers] rb-removable-media-manager.c:664: unix-device = /dev/sda6
(19:27:16) [0x9304028] [dump_volume_identifiers] rb-removable-media-manager.c:664: label = tmp
(19:27:16) [0x9304028] [rb_removable_media_manager_add_volume] rb-removable-media-manager.c:709: Unhandled media
(19:27:16) [0x9304028] [uevent_cb] rb-removable-media-manager.c:591: add event for /sys/devices/pci0000:00/0000:00:1a.0/usb3 (10bd00)
(19:27:16) [0x9304028] [create_source_device_cb] rb-mtp-plugin.c:405: trying to match device 10bd00 (usb device 1) against detected mtp devices
(19:27:16) [0x9c5e9b0] [rhythmdb_load_thread_main] rhythmdb.c:3230: queuing db load complete signal
(19:27:16) [0x9c5e9b0] [rhythmdb_load_thread_main] rhythmdb.c:3235: exiting
Device 0 (VID=04a9 and PID=3150) is UNKNOWN.
Please report this VID/PID and the device model to the libmtp development team
(19:27:16) [0x9304028] [create_source_device_cb] rb-mtp-plugin.c:412: detected mtp device: device number 5
(19:27:16) [0x9304028] [create_source_device_cb] rb-mtp-plugin.c:414: device number mismatches: 1 vs 5
(19:27:16) [0x9304028] [create_source_device_cb] rb-mtp-plugin.c:436: device didn't match anything
(19:27:16) [0x9304028] [uevent_cb] rb-removable-media-manager.c:591: add event for /sys/devices/pci0000:00/0000:00:1a.0/usb3/3-0:1.0 (0)
(19:27:16) [0x9304028] [create_source_device_cb] rb-mtp-plugin.c:391: can't get udev device number for device 3-0:1.0
(19:27:16) [0x9304028] [uevent_cb] rb-removable-media-manager.c:591: add event for /sys/devices/pci0000:00/0000:00:1a.0/usb3/3-2 (10bd01)
(19:27:16) [0x9304028] [create_source_device_cb] rb-mtp-plugin.c:405: trying to match device 10bd01 (usb device 2) against detected mtp devices
Device 0 (VID=04a9 and PID=3150) is UNKNOWN.
Please report this VID/PID and the device model to the libmtp development team
(19:27:16) [0x9304028] [create_source_device_cb] rb-mtp-plugin.c:412: detected mtp device: device number 5
(19:27:16) [0x9304028] [create_source_device_cb] rb-mtp-plugin.c:414: device number mismatches: 2 vs 5
(19:27:16) [0x9304028] [create_source_device_cb] rb-mtp-plugin.c:436: device didn't match anything
(19:27:16) [0x9304028] [uevent_cb] rb-removable-media-manager.c:591: add event for /sys/devices/pci0000:00/0000:00:1a.0/usb3/3-2/3-2.1 (10bd02)
(19:27:16) [0x9304028] [create_source_device_cb] rb-mtp-plugin.c:405: trying to match device 10bd02 (usb device 3) against detected mtp devices
Device 0 (VID=04a9 and PID=3150) is UNKNOWN.
Please report this VID/PID and the device model to the libmtp development team
(19:27:16) [0x9304028] [create_source_device_cb] rb-mtp-plugin.c:412: detected mtp device: device number 5
(19:27:16) [0x9304028] [create_source_device_cb] rb-mtp-plugin.c:414: device number mismatches: 3 vs 5
(19:27:16) [0x9304028] [create_source_device_cb] rb-mtp-plugin.c:436: device didn't match anything
(19:27:16) [0x9304028] [uevent_cb] rb-removable-media-manager.c:591: add event for /sys/devices/pci0000:00/0000:00:1a.0/usb3/3-2/3-2.1/3-2.1:1.0 (0)
(19:27:16) [0x9304028] [create_source_device_cb] rb-mtp-plugin.c:391: can't get udev device number for device 3-2.1:1.0
(19:27:16) [0x9304028] [uevent_cb] rb-removable-media-manager.c:591: add event for /sys/devices/pci0000:00/0000:00:1a.0/usb3/3-2/3-2.1/3-2.1:1.1 (0)
(19:27:16) [0x9304028] [create_source_device_cb] rb-mtp-plugin.c:391: can't get udev device number for device 3-2.1:1.1
(19:27:16) [0x9304028] [uevent_cb] rb-removable-media-manager.c:591: add event for /sys/devices/pci0000:00/0000:00:1a.0/usb3/3-2/3-2.1/3-2.1:1.2 (0)
(19:27:16) [0x9304028] [create_source_device_cb] rb-mtp-plugin.c:391: can't get udev device number for device 3-2.1:1.2
(19:27:16) [0x9304028] [uevent_cb] rb-removable-media-manager.c:591: add event for /sys/devices/pci0000:00/0000:00:1a.0/usb3/3-2/3-2.1/3-2.1:1.3 (0)
(19:27:16) [0x9304028] [create_source_device_cb] rb-mtp-plugin.c:391: can't get udev device number for device 3-2.1:1.3
(19:27:16) [0x9304028] [uevent_cb] rb-removable-media-manager.c:591: add event for /sys/devices/pci0000:00/0000:00:1a.0/usb3/3-2/3-2.2 (10bd03)
(19:27:16) [0x9304028] [create_source_device_cb] rb-mtp-plugin.c:405: trying to match device 10bd03 (usb device 4) against detected mtp devices
Device 0 (VID=04a9 and PID=3150) is UNKNOWN.
Please report this VID/PID and the device model to the libmtp development team
(19:27:16) [0x9304028] [create_source_device_cb] rb-mtp-plugin.c:412: detected mtp device: device number 5
(19:27:16) [0x9304028] [create_source_device_cb] rb-mtp-plugin.c:414: device number mismatches: 4 vs 5
(19:27:16) [0x9304028] [create_source_device_cb] rb-mtp-plugin.c:436: device didn't match anything
(19:27:16) [0x9304028] [uevent_cb] rb-removable-media-manager.c:591: add event for /sys/devices/pci0000:00/0000:00:1a.0/usb3/3-2/3-2.2/3-2.2:1.0 (0)
(19:27:16) [0x9304028] [create_source_device_cb] rb-mtp-plugin.c:391: can't get udev device number for device 3-2.2:1.0
(19:27:16) [0x9304028] [uevent_cb] rb-removable-media-manager.c:591: add event for /sys/devices/pci0000:00/0000:00:1a.0/usb3/3-2/3-2.3 (10bd04)
(19:27:16) [0x9304028] [create_source_device_cb] rb-mtp-plugin.c:405: trying to match device 10bd04 (usb device 5) against detected mtp devices
Device 0 (VID=04a9 and PID=3150) is UNKNOWN.
Please report this VID/PID and the device model to the libmtp development team
(19:27:16) [0x9304028] [create_source_device_cb] rb-mtp-plugin.c:412: detected mtp device: device number 5
PTP_ERROR_IO: Trying again after re-initializing USB interface
Clearing stall on IN endpoint
Terminated
clockworkpc@clockworkpc-laptop ~ $ 

I tried it again and got this output:

clockworkpc@clockworkpc-laptop / $ rhythmbox -d
(19:30:28) [0x83b4028] [rb_debug_init_match] rb-debug.c:213: Debugging enabled
(19:30:28) [0x83b4028] [main] main.c:177: initializing Rhythmbox 0.12.8
(19:30:28) [0x83b4028] [rb_threads_init] rb-util.c:482: GMutex isn't recursive
(19:30:28) [0x83b4028] [main] main.c:185: going to create DBus object
(19:30:28) [0x83b4028] [main] main.c:352: THE END
clockworkpc@clockworkpc-laptop / $ rhythmbox --debug
(19:30:35) [0x8ec2028] [rb_debug_init_match] rb-debug.c:213: Debugging enabled
(19:30:35) [0x8ec2028] [main] main.c:177: initializing Rhythmbox 0.12.8
(19:30:35) [0x8ec2028] [rb_threads_init] rb-util.c:482: GMutex isn't recursive
(19:30:35) [0x8ec2028] [main] main.c:185: going to create DBus object
(19:30:35) [0x8ec2028] [main] main.c:352: THE END

I hope this helps.