farsight-rtp-Message: connect state changed to 2
** (telepathy-stream-engine:5616): DEBUG: stream 0 (video) cb_fs_state_changed: stream 0x811aa28 connected
** (telepathy-stream-engine:5616): DEBUG: stream 0 (video) check_start_stream: stream_start_scheduled = 0; stream_started = 0

GStreamer-CRITICAL **: gst_element_set_state: assertion `GST_IS_ELEMENT (element)' failed
aborting...

Program received signal SIGABRT, Aborted.
[Switching to Thread -1215019328 (LWP 5616)]
0xb7f45410 in ?? ()
(gdb) bt
#0  0xb7f45410 in ?? ()
#1  0xbf88306c in ?? ()
#2  0x00000006 in ?? ()
#3  0x000015f0 in ?? ()
#4  0xb7970060 in raise () from /lib/libc.so.6
#5  0xb7971801 in abort () from /lib/libc.so.6
#6  0xb7ab483d in g_logv () from /opt/gnome/lib/libglib-2.0.so.0
#7  0xb7ab4885 in g_log () from /opt/gnome/lib/libglib-2.0.so.0
#8  0xb7ab496b in g_return_if_fail_warning () from /opt/gnome/lib/libglib-2.0.so.0
#9  0xb7d76162 in gst_element_set_state () from /opt/gnome/lib/libgstreamer-0.10.so.0
#10 0xb77f58e9 in farsight_rtp_stream_transmitter_state_changed () from /usr/lib/farsight-0.1//librtp-session.so
#11 0xb7b29e09 in g_cclosure_marshal_VOID () from /opt/gnome/lib/libgobject-2.0.so.0
#12 0xb7b1cc0b in g_closure_invoke () from /opt/gnome/lib/libgobject-2.0.so.0
#13 0xb7b2dd3d in g_signal_override_class_closure () from /opt/gnome/lib/libgobject-2.0.so.0
#14 0xb7b2f247 in g_signal_emit_valist () from /opt/gnome/lib/libgobject-2.0.so.0
#15 0xb7b2f415 in g_signal_emit () from /opt/gnome/lib/libgobject-2.0.so.0
#16 0xb7f164f6 in farsight_transmitter_signal_connection_state_changed () from /usr/lib/libfarsight-0.1.so.1
#17 0xb76d98c2 in farsight_udp_transmitter_configure_source () from /usr/lib/farsight-0.1//librawudp-transmitter.so
#18 0xb76da25d in farsight_udp_transmitter_prepare () from /usr/lib/farsight-0.1//librawudp-transmitter.so
#19 0xb7f169c4 in farsight_transmitter_prepare () from /usr/lib/libfarsight-0.1.so.1
#20 0xb77f56d0 in farsight_rtp_stream_prepare_transports () from /usr/lib/farsight-0.1//librtp-session.so
#21 0xb7f15784 in farsight_stream_prepare_transports () from /usr/lib/libfarsight-0.1.so.1
#22 0x080553c7 in tp_stream_engine_stream_go ()
#23 0x080527d4 in new_media_stream_handler ()
#24 0x08050ffb in misc_marshal_VOID__BOXED_UINT_UINT_UINT ()
#25 0xb7ba5236 in marshal_dbus_message_to_g_marshaller () from /usr/lib/libdbus-glib-1.so.2
#26 0xb7b1cc0b in g_closure_invoke () from /opt/gnome/lib/libgobject-2.0.so.0
#27 0xb7b2dd3d in g_signal_override_class_closure () from /opt/gnome/lib/libgobject-2.0.so.0
#28 0xb7b2f247 in g_signal_emit_valist () from /opt/gnome/lib/libgobject-2.0.so.0
#29 0xb7b2f415 in g_signal_emit () from /opt/gnome/lib/libgobject-2.0.so.0
#30 0xb7ba610b in dbus_g_proxy_manager_filter () from /usr/lib/libdbus-glib-1.so.2
#31 0xb7b59c72 in dbus_connection_dispatch () from /usr/lib/libdbus-1.so.3
#32 0xb7b9e67d in message_queue_dispatch () from /usr/lib/libdbus-glib-1.so.2
#33 0xb7aabde2 in g_main_context_dispatch () from /opt/gnome/lib/libglib-2.0.so.0
#34 0xb7aaee1f in g_main_context_prepare () from /opt/gnome/lib/libglib-2.0.so.0
#35 0xb7aaf1c9 in g_main_loop_run () from /opt/gnome/lib/libglib-2.0.so.0
#36 0x0804cce3 in main ()
(gdb)