StacktraceTop: g_type_check_instance_cast (type_instance=type_instance@entry=0xb892a388, iface_type=3099208552) at /build/buildd/glib2.0-2.37.3/./gobject/gtype.c:4009 on_properties_changed (interface=0xb8c6b2d0, changed_properties=0xb8901720, invalidated_properties=0xb8b7f880, user_data=0xb892a388) at diagnostics-widget.c:149 ffi_call_SYSV () at ../src/x86/sysv.S:65 ffi_call (cif=cif@entry=0xbfc49314, fn=0xa56bbd00 <on_properties_changed>, rvalue=0xbfc492a0, avalue=avalue@entry=0xbfc49260) at ../src/x86/ffi.c:411 g_cclosure_marshal_generic (closure=0xb8bb0960, return_gvalue=0x0, n_param_values=3, param_values=0xbfc49480, invocation_hint=0xbfc4942c, marshal_data=0x0) at /build/buildd/glib2.0-2.37.3/./gobject/gclosure.c:1454
StacktraceTop: check_instance_ cast (type_instance= type_instance@ entry=0xb892a38 8, iface_type= 3099208552) at /build/ buildd/ glib2.0- 2.37.3/ ./gobject/ gtype.c: 4009 changed (interface= 0xb8c6b2d0, changed_ properties= 0xb8901720, invalidated_ properties= 0xb8b7f880, user_data= 0xb892a388) at diagnostics- widget. c:149 x86/sysv. S:65 entry=0xbfc4931 4, fn=0xa56bbd00 <on_properties_ changed> , rvalue=0xbfc492a0, avalue= avalue@ entry=0xbfc4926 0) at ../src/ x86/ffi. c:411 marshal_ generic (closure= 0xb8bb0960, return_gvalue=0x0, n_param_values=3, param_values= 0xbfc49480, invocation_ hint=0xbfc4942c , marshal_data=0x0) at /build/ buildd/ glib2.0- 2.37.3/ ./gobject/ gclosure. c:1454
g_type_
on_properties_
ffi_call_SYSV () at ../src/
ffi_call (cif=cif@
g_cclosure_