?? () from /usr/lib/control-center-1/panels/libbackground.so
?? () from /usr/lib/control-center-1/panels/libbackground.so
ffi_call_SYSV () from /usr/lib/i386-linux-gnu/libffi.so.6
ffi_call () from /usr/lib/i386-linux-gnu/libffi.so.6
g_cclosure_marshal_generic_va () from /usr/lib/i386-linux-gnu/libgobject-2.0.so.0