Comment 2 for bug 1066600

StacktraceTop:
 calendar_sources_init (sources=0x8a91af0) at calendar-server/calendar-sources.c:191
 g_type_create_instance (type=type@entry=146082400) at /build/buildd/glib2.0-2.34.0/./gobject/gtype.c:1890
 g_object_constructor (type=146082400, n_construct_properties=0, construct_params=0x0) at /build/buildd/glib2.0-2.34.0/./gobject/gobject.c:1854
 g_object_newv (object_type=object_type@entry=146082400, n_parameters=n_parameters@entry=0, parameters=parameters@entry=0x0) at /build/buildd/glib2.0-2.34.0/./gobject/gobject.c:1637
 g_object_new (object_type=146082400, first_property_name=first_property_name@entry=0x0) at /build/buildd/glib2.0-2.34.0/./gobject/gobject.c:1547