#0 0x00007f417bbfa7b6 in gdk_window_get_screen () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0 No symbol table info available. #1 0x00007f417bbf09f4 in gdk_display_get_pointer () from /usr/lib/x86_64-linux-gnu/libgdk-3.so.0 No symbol table info available. #2 0x000000000040adf5 in ?? () No symbol table info available. #3 0x00007f417ac7bbca in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #4 0x00007f417ac7bf90 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0x00007f417ac7c38a in g_main_loop_run () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #6 0x00007f417bfe127d in gtk_main () from /usr/lib/x86_64-linux-gnu/libgtk-3.so.0 No symbol table info available. #7 0x000000000040638a in ?? () No symbol table info available. #8 0x00007f417a34976d in __libc_start_main () from /lib/x86_64-linux-gnu/libc.so.6 No symbol table info available. #9 0x00000000004063f5 in ?? () No symbol table info available. #10 0x00007fff465458d8 in ?? () No symbol table info available. #11 0x000000000000001c in ?? () No symbol table info available. #12 0x0000000000000001 in ?? () No symbol table info available. #13 0x00007fff46547a3c in ?? () No symbol table info available. #14 0x0000000000000000 in ?? () No symbol table info available.