#0  0x00007fdb10a97c85 in g_data_set_internal (dataset=0x0, new_destroy_func=0, new_data=0x0, key_id=53, datalist=0x881060) at /build/buildd/glib2.0-2.31.16/./glib/gdataset.c:438
        old = {key = <optimized out>, data = 0x0, destroy = <optimized out>}
        data = 0x7fdb10d5cc40
        data_last = <optimized out>
        data_end = 0x4
        d = 0xaaaaaaaaaaaaaaa8
        old_d = <optimized out>
#1  g_datalist_id_set_data_full (datalist=0x881060, key_id=53, data=0x0, destroy_func=0) at /build/buildd/glib2.0-2.31.16/./glib/gdataset.c:680
        __PRETTY_FUNCTION__ = "g_datalist_id_set_data_full"
#2  0x00007fdb110a3c6f in ?? () at /build/buildd/glib2.0-2.31.16/./gobject/gobject.c:3623 from /tmp/tmp1Ha_tG/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#3  0x0000000000881058 in ?? ()
No symbol table info available.
#4  0x00007fdb110a4aed in g_object_unref (_object=0x881050) at /build/buildd/glib2.0-2.31.16/./gobject/gobject.c:2963
        weak_ref_location = 0x7fdb10d5cc40
        weak_locations = 0x0
        object = 0x881050
        old_ref = <optimized out>
        __PRETTY_FUNCTION__ = "g_object_unref"
#5  0x00000000004087ea in panel_service_class_dispose (object=0x865050) at /build/buildd/unity-5.2.0/services/panel-service.c:146
        priv = 0x865070
        i = <optimized out>
#6  0x00007fdb110a4aed in g_object_unref (_object=0x865050) at /build/buildd/glib2.0-2.31.16/./gobject/gobject.c:2963
        weak_ref_location = 0x7fdb10d5cc40
        weak_locations = 0x0
        object = 0x865050
        old_ref = <optimized out>
        __PRETTY_FUNCTION__ = "g_object_unref"
#7  0x000000000040493d in main (argc=1, argv=0x7fffe26a31f8) at /build/buildd/unity-5.2.0/services/panel-main.c:412
        service = 0x865050
        owner_id = 2
        __PRETTY_FUNCTION__ = "main"