StacktraceTop: ?? () g_closure_invoke (closure=0x3257290, return_value=0x0, n_param_values=2, param_values=0x7fffc33c56f0, invocation_hint=0x7fffc33c5690) at /build/buildd/glib2.0-2.41.5/./gobject/gclosure.c:768 signal_emit_unlocked_R (node=node@entry=0x250beb0, detail=detail@entry=1298, instance=instance@entry=0x2945b50, emission_return=emission_return@entry=0x0, instance_and_params=instance_and_params@entry=0x7fffc33c56f0) at /build/buildd/glib2.0-2.41.5/./gobject/gsignal.c:3553 g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=var_args@entry=0x7fffc33c5880) at /build/buildd/glib2.0-2.41.5/./gobject/gsignal.c:3309 g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.41.5/./gobject/gsignal.c:3365
StacktraceTop: 0x7fffc33c56f0, invocation_ hint=0x7fffc33c 5690) at /build/ buildd/ glib2.0- 2.41.5/ ./gobject/ gclosure. c:768 emit_unlocked_ R (node=node@ entry=0x250beb0 , detail= detail@ entry=1298, instance= instance@ entry=0x2945b50 , emission_ return= emission_ return@ entry=0x0, instance_ and_params= instance_ and_params@ entry=0x7fffc33 c56f0) at /build/ buildd/ glib2.0- 2.41.5/ ./gobject/ gsignal. c:3553 emit_valist (instance= <optimized out>, signal_ id=<optimized out>, detail=<optimized out>, var_args= var_args@ entry=0x7fffc33 c5880) at /build/ buildd/ glib2.0- 2.41.5/ ./gobject/ gsignal. c:3309 <optimized out>, signal_ id=<optimized out>, detail=<optimized out>) at /build/ buildd/ glib2.0- 2.41.5/ ./gobject/ gsignal. c:3365
?? ()
g_closure_invoke (closure=0x3257290, return_value=0x0, n_param_values=2, param_values=
signal_
g_signal_
g_signal_emit (instance=