StacktraceTop: closure_invoke_notifiers (closure=0x2000000, return_value=0x0, n_param_values=4, param_values=0x25e7b00, invocation_hint=0x7fffbda87c00) at /build/buildd/glib2.0-2.28.5/./gobject/gclosure.c:289 g_closure_invoke (closure=0x2000000, return_value=0x0, n_param_values=4, param_values=0x25e7b00, invocation_hint=0x7fffbda87c00) at /build/buildd/glib2.0-2.28.5/./gobject/gclosure.c:773 signal_emit_unlocked_R (node=<value optimized out>, detail=0, instance=0x1b36cf0, emission_return=0x0, instance_and_params=0x25e7b00) at /build/buildd/glib2.0-2.28.5/./gobject/gsignal.c:3252 g_signal_emit_valist (instance=<value optimized out>, signal_id=<value optimized out>, detail=<value optimized out>, var_args=<value optimized out>) at /build/buildd/glib2.0-2.28.5/./gobject/gsignal.c:2983 g_signal_emit (instance=<value optimized out>, signal_id=<value optimized out>, detail=<value optimized out>) at /build/buildd/glib2.0-2.28.5/./gobject/gsignal.c:3040
StacktraceTop: invoke_ notifiers (closure=0x2000000, return_value=0x0, n_param_values=4, param_values= 0x25e7b00, invocation_ hint=0x7fffbda8 7c00) at /build/ buildd/ glib2.0- 2.28.5/ ./gobject/ gclosure. c:289 0x25e7b00, invocation_ hint=0x7fffbda8 7c00) at /build/ buildd/ glib2.0- 2.28.5/ ./gobject/ gclosure. c:773 emit_unlocked_ R (node=<value optimized out>, detail=0, instance=0x1b36cf0, emission_ return= 0x0, instance_ and_params= 0x25e7b00) at /build/ buildd/ glib2.0- 2.28.5/ ./gobject/ gsignal. c:3252 emit_valist (instance=<value optimized out>, signal_id=<value optimized out>, detail=<value optimized out>, var_args=<value optimized out>) at /build/ buildd/ glib2.0- 2.28.5/ ./gobject/ gsignal. c:2983 buildd/ glib2.0- 2.28.5/ ./gobject/ gsignal. c:3040
closure_
g_closure_invoke (closure=0x2000000, return_value=0x0, n_param_values=4, param_values=
signal_
g_signal_
g_signal_emit (instance=<value optimized out>, signal_id=<value optimized out>, detail=<value optimized out>) at /build/