#0  0x00007fa5f92d7d6c in type_check_is_value_type_U (type=<optimized out>) at /build/buildd/glib2.0-2.41.0~git20140523.570b27b9/./gobject/gtype.c:4107
        tflags = G_TYPE_FLAG_VALUE_ABSTRACT
        node = 0x2888580
#1  g_type_check_value_holds (value=0x28d3440, type=40443936) at /build/buildd/glib2.0-2.41.0~git20140523.570b27b9/./gobject/gtype.c:4153
No locals.
#2  0x0000000001fc3040 in ?? ()
No symbol table info available.
#3  0x0000000001fc3100 in ?? ()
No symbol table info available.
#4  0x000000000208af40 in ?? ()
No symbol table info available.
#5  0x0000000001fc3040 in ?? ()
No symbol table info available.
#6  0x0000000000000001 in ?? ()
No symbol table info available.
#7  0x00007fa5fa392e31 in sparql_files_query_start (n_files=<optimized out>, files=<optimized out>, notifier=0x7fa5fa392d46 <sparql_files_compose_query+86>) at tracker-file-notifier.c:759
        priv = 0x253dac0
        sparql = <optimized out>
#8  crawler_finished_cb (crawler=<optimized out>, was_interrupted=<optimized out>, user_data=0x7fa5fa392d46 <sparql_files_compose_query+86>) at tracker-file-notifier.c:843
        notifier = 0x7fa5fa392d46 <sparql_files_compose_query+86>
        priv = 0x0
        directory = <optimized out>
        __FUNCTION__ = "crawler_finished_cb"
#9  0x00007fa5f92b8291 in g_cclosure_marshal_VOID__POINTER (closure=0x0, return_value=0x1fa6c60, n_param_values=43101392, param_values=0x7fa5f92b8210 <g_cclosure_marshal_VOID__BOXEDv+112>, invocation_hint=0x5320545245534e48, marshal_data=0x208af40) at /build/buildd/glib2.0-2.41.0~git20140523.570b27b9/./gobject/gmarshal.c:1184
        data1 = 0x7fff1d874f48
        data2 = 0x291acd0
        __FUNCTION__ = "g_cclosure_marshal_VOID__POINTER"
#10 0x0000000000000002 in ?? ()
No symbol table info available.
#11 0x0000003000000020 in ?? ()
No symbol table info available.
#12 0x00007fff1d875020 in ?? ()
No symbol table info available.
#13 0x00007fff1d874f60 in ?? ()
No symbol table info available.
#14 0x0000000000000000 in ?? ()
No symbol table info available.