#0  0x00007f96108b8d05 in *__GI_raise (sig=6) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
        resultvar = 0
        pid = <optimized out>
        selftid = 24304
#1  0x00007f96108bcab6 in *__GI_abort () at abort.c:92
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x27ba4e0, sa_sigaction = 0x27ba4e0}, sa_mask = {__val = {140282502916544, 10, 6160439, 140282499218336, 140282519291096, 1, 140282500225736, 4294967295, 140282519326496, 140282519326288, 28837, 9142616, 0, 90779744, 0, 0}}, sa_flags = 295476516, sa_restorer = 0x7f9600000005}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x0000000000489243 in mono_handle_native_sigsegv (signal=<optimized out>, ctx=<optimized out>) at mini-exceptions.c:1856
        sa = {__sigaction_handler = {sa_handler = 0, sa_sigaction = 0}, sa_mask = {__val = {0 <repeats 16 times>}}, sa_flags = 0, sa_restorer = 0}
        jit_tls = <optimized out>
        __PRETTY_FUNCTION__ = "mono_handle_native_sigsegv"
#3  0x00000000004d154f in mono_arch_handle_altstack_exception (sigctx=0x7f9611bb9c40, fault_addr=<optimized out>, stack_ovf=0) at exceptions-amd64.c:965
        exc = <optimized out>
        ctx = 0x7f9611bb9c40
        gregs = 0x7f9611bb9c68
        ji = 0x0
        sp = <optimized out>
        frame_size = <optimized out>
#4  <signal handler called>
No symbol table info available.
#5  closure_invoke_notifiers (notify_type=2, closure=0x44e6c90) at /build/buildd/glib2.0-2.28.6/./gobject/gclosure.c:280
        ndata = 0x0
        i = <optimized out>
        offs = <optimized out>
#6  g_closure_invoke (closure=0x44e6c90, return_value=0x0, n_param_values=2, param_values=0x5410700, invocation_hint=0x7fff1156b030) at /build/buildd/glib2.0-2.28.6/./gobject/gclosure.c:766
        marshal = 0x7f960d9906e0 <g_cclosure_marshal_VOID__PARAM>
        marshal_data = 0x0
        in_marshal = 0
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#7  0x00007f960d986205 in signal_emit_unlocked_R (node=<optimized out>, detail=993, instance=0x2c2b8f0, emission_return=0x0, instance_and_params=0x5410700) at /build/buildd/glib2.0-2.28.6/./gobject/gsignal.c:3322
        tmp = <optimized out>
        handler = 0x3d8b690
        accumulator = 0x0
        emission = {next = 0x7fff1156c280, instance = 0x2c2b8f0, ihint = {signal_id = 1, detail = 993, run_type = G_SIGNAL_RUN_LAST}, state = EMISSION_RUN, chain_type = 4}
        class_closure = 0x27eb270
        handler_list = 0x3d148d0
        return_accu = 0x0
        accu = {g_type = 0, data = {{v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}, {v_int = 0, v_uint = 0, v_long = 0, v_ulong = 0, v_int64 = 0, v_uint64 = 0, v_float = 0, v_double = 0, v_pointer = 0x0}}}
        signal_id = 1
        max_sequential_handler_number = 15585
        return_value_altered = 1
#8  0x00007f960d98f258 in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=<optimized out>) at /build/buildd/glib2.0-2.28.6/./gobject/gsignal.c:2983
        instance_and_params = 0x5410700
        signal_return_type = 4
        param_values = 0x5410718
        node = 0x27f3d20
        i = <optimized out>
        n_params = 1
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#9  0x00007f960d98f41f in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.28.6/./gobject/gsignal.c:3040
        var_args = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 0x7fff1156b320, reg_save_area = 0x7fff1156b260}}
#10 0x00007f960d976259 in g_object_dispatch_properties_changed (object=0x2c2b8f0, n_pspecs=2, pspecs=<optimized out>) at /build/buildd/glib2.0-2.28.6/./gobject/gobject.c:925
        i = <optimized out>
#11 0x00007f960d97bddc in g_object_notify_queue_thaw (nqueue=<optimized out>, object=0x2c2b8f0) at /build/buildd/glib2.0-2.28.6/./gobject/gobjectnotifyqueue.c:132
        context = 0x7f960dbb57a0
        pspecs_mem = {0x2949310, 0x29492a0, 0x558fe70, 0x7f9610c141c0, 0x7fff1156b4f0, 0x6, 0x7f9611baa500, 0x7f95f0565500, 0x6, 0x521821, 0x7f9606e666ae, 0x7f9611baa500, 0x7fff1156b4f0, 0x7f95f0565500, 0x0, 0x41c19fac}
        pspecs = 0x7fff1156b390
        free_me = 0x0
        slist = <optimized out>
        n_pspecs = <optimized out>
#12 g_object_set_property (object=0x2c2b8f0, property_name=<optimized out>, value=<optimized out>) at /build/buildd/glib2.0-2.28.6/./gobject/gobject.c:1917
        nqueue = 0x2
        pspec = <optimized out>
        __PRETTY_FUNCTION__ = "g_object_set_property"
#13 0x0000000040eab1c7 in ?? ()
No symbol table info available.
#14 0x00007fff1156b920 in ?? ()
No symbol table info available.
#15 0x00007f9607bdf200 in ?? ()
No symbol table info available.
#16 0x000000000558fe70 in ?? ()
No symbol table info available.
#17 0x00007f95f0565500 in ?? ()
No symbol table info available.
#18 0x00007f9611baa500 in ?? ()
No symbol table info available.
#19 0x00007fff1156b4f0 in ?? ()
No symbol table info available.
#20 0x00007fff1156b470 in ?? ()
No symbol table info available.
#21 0x00007f9607bdf200 in ?? ()
No symbol table info available.
#22 0x00007f9611baa500 in ?? ()
No symbol table info available.
#23 0x00007f960492e370 in ?? ()
No symbol table info available.
#24 0x00007f960492e370 in ?? ()
No symbol table info available.
#25 0x0000000040eab124 in ?? ()
No symbol table info available.
#26 0x000000000558fe70 in ?? ()
No symbol table info available.
#27 0x000000000558fe70 in ?? ()
No symbol table info available.
#28 0x00007f9606e66690 in ?? ()
No symbol table info available.
#29 0x00007f95f6700550 in ?? ()
No symbol table info available.
#30 0x00007fff1156b560 in ?? ()
No symbol table info available.
#31 0x0000000041260ad8 in ?? ()
No symbol table info available.
#32 0x0000000000000040 in ?? ()
No symbol table info available.
#33 0x0000000005694030 in ?? ()
No symbol table info available.
#34 0x0000000000000000 in ?? ()
No symbol table info available.