StacktraceTop: ?? () g_closure_invoke (closure=0x24697a0, return_value=0x0, n_param_values=2, param_values=0x24876a0, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.29.18/./gobject/gclosure.c:774 signal_emit_unlocked_R (node=<optimized out>, detail=96, instance=0x22f47d0, emission_return=0x0, instance_and_params=0x24876a0) at /build/buildd/glib2.0-2.29.18/./gobject/gsignal.c:3272 g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=0x7fff9f104888) at /build/buildd/glib2.0-2.29.18/./gobject/gsignal.c:3003 g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.29.18/./gobject/gsignal.c:3060
StacktraceTop: 0x24876a0, invocation_ hint=<optimized out>) at /build/ buildd/ glib2.0- 2.29.18/ ./gobject/ gclosure. c:774 emit_unlocked_ R (node=<optimized out>, detail=96, instance=0x22f47d0, emission_ return= 0x0, instance_ and_params= 0x24876a0) at /build/ buildd/ glib2.0- 2.29.18/ ./gobject/ gsignal. c:3272 emit_valist (instance= <optimized out>, signal_ id=<optimized out>, detail=<optimized out>, var_args= 0x7fff9f104888) at /build/ buildd/ glib2.0- 2.29.18/ ./gobject/ gsignal. c:3003 <optimized out>, signal_ id=<optimized out>, detail=<optimized out>) at /build/ buildd/ glib2.0- 2.29.18/ ./gobject/ gsignal. c:3060
?? ()
g_closure_invoke (closure=0x24697a0, return_value=0x0, n_param_values=2, param_values=
signal_
g_signal_
g_signal_emit (instance=