g_assertion_message (domain=domain@entry=0x806463f "IBUS", file=file@entry=0x806524b "dbusimpl.c", line=line@entry=1891, func=func@entry=0x80664a0 "bus_dbus_impl_dispatch_message_by_rule", message=0xb53037a0 "assertion failed: (skip_connection == NULL || BUS_IS_CONNECTION (skip_connection))") at /build/buildd/glib2.0-2.33.12/./glib/gtestutils.c:1877
g_assertion_message_expr (domain=domain@entry=0x806463f "IBUS", file=file@entry=0x806524b "dbusimpl.c", line=line@entry=1891, func=func@entry=0x80664a0 "bus_dbus_impl_dispatch_message_by_rule", expr=expr@entry=0x8065604 "skip_connection == NULL || BUS_IS_CONNECTION (skip_connection)") at /build/buildd/glib2.0-2.33.12/./glib/gtestutils.c:1888
bus_dbus_impl_dispatch_message_by_rule (dbus=dbus@entry=0x81e8c10, message=message@entry=0xb530d980, skip_connection=skip_connection@entry=0xb5d01f80) at dbusimpl.c:1891
bus_dbus_impl_connection_filter_cb (dbus_connection=0xb5d03390, message=0xb530d980, incoming=0, user_data=0x81e8c10) at dbusimpl.c:1569
on_worker_message_about_to_be_sent (worker=0xb5d03a48, message=0xb5303400, user_data=0xb5d03390) at /build/buildd/glib2.0-2.33.12/./gio/gdbusconnection.c:2414