StacktraceTop: g_type_check_instance_cast (type_instance=0x8, iface_type=157010704) at /build/buildd/glib2.0-2.28.4/./gobject/gtype.c:3989 zeitgeist_events_to_variant (events=0x95b1ac8) at zeitgeist-event.c:854 _zeitgeist_log_install_monitor (self=<value optimized out>, monitor=0x95bf840) at zeitgeist-log.c:1193 _zeitgeist_log_on_zg_proxy_acquired (source_object=0x95aedb0, res=0x95b9ef0, user_data=0x95a9af0) at zeitgeist-log.c:1029 g_simple_async_result_complete (simple=0x95b9ef0) at /build/buildd/glib2.0-2.28.4/./gio/gsimpleasyncresult.c:747
StacktraceTop: check_instance_ cast (type_instance=0x8, iface_type= 157010704) at /build/ buildd/ glib2.0- 2.28.4/ ./gobject/ gtype.c: 3989 events_ to_variant (events=0x95b1ac8) at zeitgeist- event.c: 854 log_install_ monitor (self=<value optimized out>, monitor=0x95bf840) at zeitgeist- log.c:1193 log_on_ zg_proxy_ acquired (source_ object= 0x95aedb0, res=0x95b9ef0, user_data= 0x95a9af0) at zeitgeist- log.c:1029 async_result_ complete (simple=0x95b9ef0) at /build/ buildd/ glib2.0- 2.28.4/ ./gio/gsimpleas yncresult. c:747
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