#0 0x00007faf42764adf in ?? () from /usr/lib/libgobject-2.0.so.0 No symbol table info available. #1 0x00007faf427665ae in g_closure_invoke () from /usr/lib/libgobject-2.0.so.0 No symbol table info available. #2 0x00007faf4277b29c in ?? () from /usr/lib/libgobject-2.0.so.0 No symbol table info available. #3 0x00007faf4277cd39 in g_signal_emit_valist () from /usr/lib/libgobject-2.0.so.0 No symbol table info available. #4 0x00007faf4277d283 in g_signal_emit () from /usr/lib/libgobject-2.0.so.0 No symbol table info available. #5 0x00007faf43c0c73f in ?? () at /build/buildd/gtk+2.0-2.18.3/gtk/gtkwindow.c:2196 from /usr/lib/libgtk-x11-2.0.so.0 No symbol table info available. #6 0x0000000001ac7ec0 in ?? () No symbol table info available. #7 0x00007faf437258c6 in gdk_threads_dispatch (data=0x1aa40a0) at /build/buildd/gtk+2.0-2.18.3/gdk/gdk.c:506 ret = 0 #8 0x00007faf424cdbbe in g_main_context_dispatch () from /lib/libglib-2.0.so.0 No symbol table info available. #9 0x00007faf424d1588 in ?? () from /lib/libglib-2.0.so.0 No symbol table info available. #10 0x00007faf424d19e5 in g_main_loop_run () from /lib/libglib-2.0.so.0 No symbol table info available. #11 0x00007faf43aee0e7 in IA__gtk_main () at /build/buildd/gtk+2.0-2.18.3/gtk/gtkmain.c:1197 tmp_list = functions = init = loop = #12 0x000000000042954b in main () No symbol table info available.