Program received signal SIGSEGV, Segmentation fault.
0xb781ed31 in g_object_unref () from /usr/lib/libgobject-2.0.so.0
(gdb) backtrace 
#0  0xb781ed31 in g_object_unref () from /usr/lib/libgobject-2.0.so.0
#1  0xb7d5e029 in button_data_free () from /usr/lib/libgtk-3.so.0
#2  0xb781eb21 in weak_refs_notify () from /usr/lib/libgobject-2.0.so.0
#3  0xb771af4b in g_datalist_id_set_data_full () from /usr/lib/libglib-2.0.so.0
#4  0xb781eba9 in g_object_real_dispose () from /usr/lib/libgobject-2.0.so.0
#5  0xb7e7bbfb in gtk_widget_dispose () from /usr/lib/libgtk-3.so.0
#6  0xb7c50fa8 in gtk_button_dispose () from /usr/lib/libgtk-3.so.0
#7  0xb781edfb in g_object_unref () from /usr/lib/libgobject-2.0.so.0
#8  0xb781eee4 in g_value_object_free_value () from /usr/lib/libgobject-2.0.so.0
#9  0xb78453d8 in g_value_unset () from /usr/lib/libgobject-2.0.so.0
#10 0xb783866e in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0
#11 0xb78387e2 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0
#12 0xb7c8e8ee in gtk_container_remove () from /usr/lib/libgtk-3.so.0
#13 0xb7d5e170 in gtk_path_bar_set_file_finish () from /usr/lib/libgtk-3.so.0
#14 0xb7d5e73c in gtk_path_bar_get_info_callback () from /usr/lib/libgtk-3.so.0
#15 0xb7cd10e6 in query_info_callback () from /usr/lib/libgtk-3.so.0
#16 0xb7a954db in g_simple_async_result_complete () from /usr/lib/libgio-2.0.so.0
#17 0xb7a9556e in complete_in_idle_cb_for_thread () from /usr/lib/libgio-2.0.so.0
#18 0xb7734181 in g_idle_dispatch () from /usr/lib/libglib-2.0.so.0
#19 0xb7739022 in g_main_context_dispatch () from /usr/lib/libglib-2.0.so.0
#20 0xb77397e8 in g_main_context_iterate.clone.5 () from /usr/lib/libglib-2.0.so.0
#21 0xb7739d9b in g_main_loop_run () from /usr/lib/libglib-2.0.so.0
#22 0xb7c98e44 in gtk_dialog_run () from /usr/lib/libgtk-3.so.0
#23 0x08048869 in main ()
(gdb) 

