#0  0x00007f070c53fd05 in *__GI_raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
        resultvar = 0
        pid = <optimized out>
        selftid = 3616
#1  0x00007f070c543ab6 in *__GI_abort () at abort.c:92
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x23dd8c0, sa_sigaction = 0x23dd8c0}, sa_mask = {__val = {139668223667265, 1024, 139667907280928, 139667908334592, 139667908329088, 185, 139667908329088, 140734654445496, 139668248627427, 140734654445496, 139668223684938, 139667908329088, 37607616, 37607616, 139668223696934, 140734654445708}}, sa_flags = 162, sa_restorer = 0x7f070a8fd301}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007f070adc251d in g_assertion_message (domain=<optimized out>, file=<optimized out>, line=<optimized out>, func=0x7f070a91d9e0 "append_value_to_blob", message=0x7f06f8100010 "assertion failed: (g_utf8_validate (v, -1, &end) && (end == v + len))") at /build/buildd/glib2.0-2.28.6/./glib/gtestutils.c:1358
        lstr = "1958\000\177\000\000:@\327\n\a\177\000\000\255s\336\n\a\177\000\000 \312\221\n\a\177\000"
        s = 0x7f06f80ffe80 "GLib-GIO:ERROR:/build/buildd/glib2.0-2.28.6/./gio/gdbusmessage.c:1958:append_value_to_blob: assertion failed: (g_utf8_validate (v, -1, &end) && (end == v + len))"
#3  0x00007f070adc2ae0 in g_assertion_message_expr (domain=0x7f070a8fd301 "GLib-GIO", file=0x7f070a91ca58 "/build/buildd/glib2.0-2.28.6/./gio/gdbusmessage.c", line=1958, func=0x7f070a91d9e0 "append_value_to_blob", expr=<optimized out>) at /build/buildd/glib2.0-2.28.6/./glib/gtestutils.c:1369
        s = 0x0
#4  0x00007f070a8d48ba in append_value_to_blob (value=<optimized out>, type=0x7f070ae2d722, mos=0x2323180, dos=0x7f06f8084cc0, out_padding_added=0x0, error=0x0) at /build/buildd/glib2.0-2.28.6/./gio/gdbusmessage.c:1958
        len = 1
        v = 0x7f06f80fe4a0 ""
        end = 0x7f06f80fe4a0 ""
        padding_added = 3
        __PRETTY_FUNCTION__ = "append_value_to_blob"
#5  0x00007f070a8d4d05 in append_value_to_blob (value=<optimized out>, type=<optimized out>, mos=0x2323180, dos=0x7f06f8084cc0, out_padding_added=0x0, error=0x0) at /build/buildd/glib2.0-2.28.6/./gio/gdbusmessage.c:2116
        child = 0x7f06f80ff440
        signature = <optimized out>
        padding_added = 0
        __PRETTY_FUNCTION__ = "append_value_to_blob"
#6  0x00007f070a8d4bc8 in append_value_to_blob (value=<optimized out>, type=<optimized out>, mos=0x2323180, dos=0x7f06f8084cc0, out_padding_added=0x7fff5715fc88, error=0x0) at /build/buildd/glib2.0-2.28.6/./gio/gdbusmessage.c:2091
        item = 0x7f06f80ff4a0
        iter = {x = {139667908326416, 2, 1, 0, 37513456, 9, 140734654446592, 3579507750, 0, 139668223377749, 37513456, 12, 140734654446592, 139667908326416, 139667907372240, 139668223790680}}
        padding_added = 3
        __PRETTY_FUNCTION__ = "append_value_to_blob"
#7  0x00007f070a8d4c61 in append_value_to_blob (value=<optimized out>, type=<optimized out>, mos=0x2323180, dos=0x7f06f8084cc0, out_padding_added=0x0, error=0x0) at /build/buildd/glib2.0-2.28.6/./gio/gdbusmessage.c:2049
        padding_added_for_item = 3
        n = 9
        iter = {x = {37513456, 12, 9, 0, 37408544, 0, 0, 3579507750, 0, 139668223377749, 37408544, 1, 0, 37513456, 36843904, 139667908322375}}
        array_payload_begin_offset = 64
        cur_offset = <optimized out>
        array_len = <optimized out>
        item = 0x7f06f80ff410
        array_len_offset = 56
        padding_added = 0
        __PRETTY_FUNCTION__ = "append_value_to_blob"
#8  0x00007f070a8d83a5 in append_body_to_blob (error=0x0, dos=0x7f06f8084cc0, mos=0x2323180, value=<optimized out>) at /build/buildd/glib2.0-2.28.6/./gio/gdbusmessage.c:2172
        ret = 0
        item = 0x23c68f0
        iter = {x = {37408544, 1, 0, 0, 1, 139667908322645, 1, 3579507750, 0, 0, 139667908322644, 139668223817578, 139667908322644, 139667908322646, 139667908297504, 0}}
#9  g_dbus_message_to_blob (message=<optimized out>, out_size=0x7fff5715fe88, capabilities=<optimized out>, error=0x0) at /build/buildd/glib2.0-2.28.6/./gio/gdbusmessage.c:2343
        tupled_signature_str = 0x7f06f80ec1f0 "\270"
        mos = 0x2323180
        dos = 0x7f06f8084cc0
        ret = 0x0
        size = <optimized out>
        byte_order = <optimized out>
        body_len_offset = 4
        body_start_offset = 56
        body_size = <optimized out>
        header_fields = 0x7f06f80ec1f0
        builder = {x = {0 <repeats 16 times>}}
        hash_iter = {dummy1 = 0x237c770, dummy2 = 0x7f070c58831e, dummy3 = 0x0, dummy4 = 8, dummy5 = 0, dummy6 = 0x3}
        header_value = 0x7f06f80fd030
        signature = <optimized out>
        signature_str = <optimized out>
        num_fds_in_message = <optimized out>
        num_fds_according_to_header = <optimized out>
        __PRETTY_FUNCTION__ = "g_dbus_message_to_blob"
#10 0x00007f070a8cd3b6 in g_dbus_connection_send_message_unlocked (connection=0x1943dd0, message=0x22cb190, flags=G_DBUS_SEND_MESSAGE_FLAGS_NONE, out_serial=0x0, error=0x0) at /build/buildd/glib2.0-2.28.6/./gio/gdbusconnection.c:1417
        blob = 0x0
        blob_size = <optimized out>
        serial_to_use = <optimized out>
        ret = 0
        __PRETTY_FUNCTION__ = "g_dbus_connection_send_message_unlocked"
#11 0x00007f070a8d0224 in g_dbus_connection_send_message (connection=0x1943dd0, message=0x22cb190, flags=G_DBUS_SEND_MESSAGE_FLAGS_NONE, out_serial=0x0, error=0x0) at /build/buildd/glib2.0-2.28.6/./gio/gdbusconnection.c:1521
        ret = <optimized out>
        __PRETTY_FUNCTION__ = "g_dbus_connection_send_message"
#12 0x00007f070a8d0a25 in invoke_get_all_properties_in_idle_cb (_data=0x7f06f80f8020) at /build/buildd/glib2.0-2.28.6/./gio/gdbusconnection.c:4125
        data = 0x7f06f80f8020
        builder = {x = {0 <repeats 16 times>}}
        error = <optimized out>
        reply = 0x22cb190
        n = <optimized out>
#13 0x00007f070ad9cbcd in g_main_dispatch (context=0x1bf9570) at /build/buildd/glib2.0-2.28.6/./glib/gmain.c:2440
        dispatch = 0x7f070ad984e0 <g_idle_dispatch>
        was_in_call = 0
        user_data = 0x7f06f80f8020
        callback = 0x7f070a8d08a0 <invoke_get_all_properties_in_idle_cb>
        cb_funcs = 0x7f070b047630
        cb_data = 0x7f06f80fe850
        current_source_link = {data = 0x7f06f80ea300, next = 0x0}
        need_destroy = <optimized out>
        source = 0x7f06f80ea300
        current = 0x209b3b0
        i = <optimized out>
#14 g_main_context_dispatch (context=0x1bf9570) at /build/buildd/glib2.0-2.28.6/./glib/gmain.c:3013
No locals.
#15 0x00007f070ad9d3a8 in g_main_context_iterate (context=0x1bf9570, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.28.6/./glib/gmain.c:3091
        max_priority = 2147483647
        timeout = 468
        some_ready = 1
        nfds = 6
        allocated_nfds = <optimized out>
        fds = <optimized out>
#16 0x00007f070ad9d9f2 in g_main_loop_run (loop=0x2125f60) at /build/buildd/glib2.0-2.28.6/./glib/gmain.c:3299
        __PRETTY_FUNCTION__ = "g_main_loop_run"
#17 0x00007f07091b1af7 in IA__gtk_main () at /build/buildd/gtk+2.0-2.24.4/gtk/gtkmain.c:1257
        tmp_list = <optimized out>
        functions = 0x0
        init = <optimized out>
        loop = 0x2125f60
#18 0x00007f070985eee4 in ?? ()
No symbol table info available.
#19 0x00000000018757cd in ?? ()
No symbol table info available.
#20 0x0000000000000000 in ?? ()
No symbol table info available.