StacktraceTop:?? () IA__g_closure_invoke (closure=0xcb1e30, return_value=0x0, n_param_values=1, signal_emit_unlocked_R (node=0x6c4540, detail=0, instance=0x9f1010, emission_return=0x0, IA__g_signal_emit_valist (instance=0x9f1010, signal_id=<value optimized out>, detail=0, IA__g_signal_emit (instance=0x9f1010, signal_id=0, detail=7905216) at gsignal.c:2243
StacktraceTop:?? () invoke (closure=0xcb1e30, return_value=0x0, n_param_values=1, emit_unlocked_ R (node=0x6c4540, detail=0, instance=0x9f1010, emission_ return= 0x0, emit_valist (instance=0x9f1010, signal_id=<value optimized out>, detail=0,
IA__g_closure_
signal_
IA__g_signal_
IA__g_signal_emit (instance=0x9f1010, signal_id=0, detail=7905216) at gsignal.c:2243