#0  0x0000000081564b98 in ?? ()
No symbol table info available.
#1  0x00000000012e9590 in ?? ()
No symbol table info available.
#2  0x00007fb5820fcced in ?? () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#3  0x00007fb5821050b0 in g_signal_emit_valist () from /usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
Backtrace stopped: previous frame inner to this frame (corrupt stack?)