StacktraceTop:IA__g_closure_invoke (closure=0x752ef0, return_value=0x0, n_param_values=2, param_values=0x7fff4cfefd40, invocation_hint=0x7fff4cfefc10) signal_emit_unlocked_R (node=0x752f80, detail=0, instance=0x80c0a0, emission_return=0x0, instance_and_params=0x7fff4cfefd40) at gsignal.c:2370 IA__g_signal_emit_valist (instance=0x80c0a0, signal_id=<value optimized out>, detail=0, var_args=0x7fff4cfeffc0) at gsignal.c:2199 IA__g_signal_emit (instance=0x7fff4cfefd40, signal_id=0, detail=8426000) at gsignal.c:2242
StacktraceTop: IA__g_closure_ invoke (closure=0x752ef0, return_value=0x0, n_param_values=2, param_values= 0x7fff4cfefd40, invocation_ hint=0x7fff4cfe fc10) emit_unlocked_ R (node=0x752f80, detail=0, instance=0x80c0a0, emission_ return= 0x0, instance_ and_params= 0x7fff4cfefd40) at gsignal.c:2370 emit_valist (instance=0x80c0a0, signal_id=<value optimized out>, detail=0, var_args= 0x7fff4cfeffc0) at gsignal.c:2199 0x7fff4cfefd40, signal_id=0, detail=8426000) at gsignal.c:2242
signal_
IA__g_signal_
IA__g_signal_emit (instance=