#0 0x00007f54ca9cc137 in g_type_check_instance_cast () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0 No symbol table info available. #1 0x00007f54971a0335 in ?? () from /usr/lib/control-center-1/panels/libunity-appearance.so No symbol table info available. #2 0x00007f54cb0c4a67 in g_simple_async_result_complete () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #3 0x00007f54cb0c4ae9 in ?? () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #4 0x00007f54ca6e13a6 in g_main_context_dispatch () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #5 0x00007f54ca6e16f8 in ?? () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #6 0x00007f54ca6e179c in g_main_context_iteration () from /lib/x86_64-linux-gnu/libglib-2.0.so.0 No symbol table info available. #7 0x00007f54cb0f0a2c in g_application_run () from /usr/lib/x86_64-linux-gnu/libgio-2.0.so.0 No symbol table info available. #8 0x0000000000407172 in main () No symbol table info available.