#0  0x00007f8391110445 in __GI_raise (sig=<optimized out>) at ../nptl/sysdeps/unix/sysv/linux/raise.c:64
        resultvar = 0
        pid = <optimized out>
        selftid = 5726
#1  0x00007f8391113bab in __GI_abort () at abort.c:91
        save_stage = 2
        act = {__sigaction_handler = {sa_handler = 0x4, sa_sigaction = 0x4}, sa_mask = {__val = {5, 140734906853982, 9, 140203052574596, 3, 140734906840362, 6, 140203052574600, 2, 140734906840382, 2, 140203052565616, 1, 140203052574596, 3, 140734906840356}}, sa_flags = 12, sa_restorer = 0x7f8391252788}
        sigs = {__val = {32, 0 <repeats 15 times>}}
#2  0x00007f839114c0be in __libc_message (do_abort=2, fmt=0x7f8391254250 "*** glibc detected *** %s: %s: 0x%s ***\n") at ../sysdeps/unix/sysv/linux/libc_fatal.c:201
        ap = {{gp_offset = 40, fp_offset = 48, overflow_arg_area = 0x7fff66213ea0, reg_save_area = 0x7fff66213db0}}
        ap_copy = {{gp_offset = 16, fp_offset = 48, overflow_arg_area = 0x7fff66213ea0, reg_save_area = 0x7fff66213db0}}
        fd = 2
        on_2 = <optimized out>
        list = <optimized out>
        nlist = <optimized out>
        cp = <optimized out>
        written = <optimized out>
#3  0x00007f83911568b6 in malloc_printerr (action=3, str=0x7f8391254340 "munmap_chunk(): invalid pointer", ptr=<optimized out>) at malloc.c:5007
        buf = "000000000269d850"
        cp = <optimized out>
#4  0x00007f838e1186f6 in gtk_file_system_model_finalize (object=0x2254820) at /build/buildd/gtk+3.0-3.3.16/./gtk/gtkfilesystemmodel.c:1010
        model = 0x2254820
        i = <optimized out>
#5  0x00007f83919b8bd3 in g_object_unref (_object=0x2254820) at /build/buildd/glib2.0-2.31.18/./gobject/gobject.c:3018
        weak_locations = <optimized out>
        object = 0x2254820
        old_ref = <optimized out>
        __PRETTY_FUNCTION__ = "g_object_unref"
#6  0x00007f838e1064c9 in stop_loading_and_clear_list_model (impl=0x255a1f0, remove_from_treeview=0) at /build/buildd/gtk+3.0-3.3.16/./gtk/gtkfilechooserdefault.c:6655
No locals.
#7  0x00007f838e10dee9 in gtk_file_chooser_default_finalize (object=0x255a1f0) at /build/buildd/gtk+3.0-3.3.16/./gtk/gtkfilechooserdefault.c:875
        impl = 0x255a1f0
        l = 0x0
        __PRETTY_FUNCTION__ = "gtk_file_chooser_default_finalize"
#8  0x00007f83919b8bd3 in g_object_unref (_object=0x255a1f0) at /build/buildd/glib2.0-2.31.18/./gobject/gobject.c:3018
        weak_locations = <optimized out>
        object = 0x255a1f0
        old_ref = <optimized out>
        __PRETTY_FUNCTION__ = "g_object_unref"
#9  0x00007f838e07e573 in gtk_box_forall (container=<optimized out>, include_internals=<optimized out>, callback=0x7f838e295ac0 <gtk_widget_destroy>, callback_data=0x0) at /build/buildd/gtk+3.0-3.3.16/./gtk/gtkbox.c:1857
        box = <optimized out>
        priv = 0xf2c4a0
        child = <optimized out>
        children = 0x0
#10 0x00007f838e0ca4a7 in gtk_container_destroy (widget=0xf2c3d0) at /build/buildd/gtk+3.0-3.3.16/./gtk/gtkcontainer.c:1370
        container = 0xf2c3d0
        priv = 0xf2c490
#11 0x00007f83919b531a in g_closure_invoke (closure=0xa80ef0, return_value=0x0, n_param_values=1, param_values=0x214f880, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.31.18/./gobject/gclosure.c:774
        marshal = 0x7f83919b3c60 <g_type_class_meta_marshal>
        marshal_data = <optimized out>
        in_marshal = 1
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#12 0x00007f83919c54b7 in signal_emit_unlocked_R (node=<optimized out>, detail=0, instance=<optimized out>, emission_return=0x0, instance_and_params=0x214f880) at /build/buildd/glib2.0-2.31.18/./gobject/gsignal.c:3418
        need_unset = 0
        accumulator = 0x0
        emission = {next = 0x7fff66214600, instance = 0xf2c3d0, ihint = {signal_id = 28, detail = 0, run_type = G_SIGNAL_RUN_CLEANUP}, state = EMISSION_STOP, chain_type = 16174416}
        class_closure = 0xa80ef0
        hlist = 0x2598f48
        handler_list = 0x0
        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 = 28
        max_sequential_handler_number = 13087
        return_value_altered = 0
#13 0x00007f83919ccfcb in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=0x7fff66214368) at /build/buildd/glib2.0-2.31.18/./gobject/gsignal.c:3033
        instance_and_params = 0x214f880
        signal_return_type = 4
        param_values = 0x214f898
        node = 0xa81960
        i = <optimized out>
        n_params = 0
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#14 0x00007f83919cd192 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.31.18/./gobject/gsignal.c:3090
        var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fff66214440, reg_save_area = 0x7fff66214380}}
#15 0x00007f838e2a0e9a in gtk_widget_dispose (object=0xf2c3d0) at /build/buildd/gtk+3.0-3.3.16/./gtk/gtkwidget.c:10112
        widget = 0xf2c3d0
        priv = 0xf2c410
#16 0x00007f83919b9f20 in g_object_run_dispose (object=0xf2c3d0) at /build/buildd/glib2.0-2.31.18/./gobject/gobject.c:1061
        __PRETTY_FUNCTION__ = "g_object_run_dispose"
#17 0x00007f838e07e573 in gtk_box_forall (container=<optimized out>, include_internals=<optimized out>, callback=0x7f838e295ac0 <gtk_widget_destroy>, callback_data=0x0) at /build/buildd/gtk+3.0-3.3.16/./gtk/gtkbox.c:1857
        box = <optimized out>
        priv = 0x1d018d0
        child = <optimized out>
        children = 0x0
#18 0x00007f838e0ca4a7 in gtk_container_destroy (widget=0x1d01810) at /build/buildd/gtk+3.0-3.3.16/./gtk/gtkcontainer.c:1370
        container = 0x1d01810
        priv = 0x1d018c0
#19 0x00007f83919b531a in g_closure_invoke (closure=0xa80ef0, return_value=0x0, n_param_values=1, param_values=0x1dd6680, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.31.18/./gobject/gclosure.c:774
        marshal = 0x7f83919b3c60 <g_type_class_meta_marshal>
        marshal_data = <optimized out>
        in_marshal = 1
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#20 0x00007f83919c54b7 in signal_emit_unlocked_R (node=<optimized out>, detail=0, instance=<optimized out>, emission_return=0x0, instance_and_params=0x1dd6680) at /build/buildd/glib2.0-2.31.18/./gobject/gsignal.c:3418
        need_unset = 0
        accumulator = 0x0
        emission = {next = 0x7fff66214a60, instance = 0x1d01810, ihint = {signal_id = 28, detail = 0, run_type = G_SIGNAL_RUN_CLEANUP}, state = EMISSION_STOP, chain_type = 12253792}
        class_closure = 0xa80ef0
        hlist = 0x26d94b8
        handler_list = 0x0
        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 = 28
        max_sequential_handler_number = 13079
        return_value_altered = 0
#21 0x00007f83919ccfcb in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=0x7fff662147f8) at /build/buildd/glib2.0-2.31.18/./gobject/gsignal.c:3033
        instance_and_params = 0x1dd6680
        signal_return_type = 4
        param_values = 0x1dd6698
        node = 0xa81960
        i = <optimized out>
        n_params = 0
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#22 0x00007f83919cd192 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.31.18/./gobject/gsignal.c:3090
        var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fff662148d0, reg_save_area = 0x7fff66214810}}
#23 0x00007f838e2a0e9a in gtk_widget_dispose (object=0x1d01810) at /build/buildd/gtk+3.0-3.3.16/./gtk/gtkwidget.c:10112
        widget = 0x1d01810
        priv = 0x1d01840
#24 0x00007f83919b9f20 in g_object_run_dispose (object=0x1d01810) at /build/buildd/glib2.0-2.31.18/./gobject/gobject.c:1061
        __PRETTY_FUNCTION__ = "g_object_run_dispose"
#25 0x00007f838e0ca4a7 in gtk_container_destroy (widget=0x23b6c40) at /build/buildd/gtk+3.0-3.3.16/./gtk/gtkcontainer.c:1370
        container = 0x23b6c40
        priv = 0x23b6d10
#26 0x00007f83919b53c4 in g_closure_invoke (closure=0xa80ef0, return_value=0x0, n_param_values=1, param_values=0xc1c800, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.31.18/./gobject/gclosure.c:774
        marshal = 0x7f83919b3c60 <g_type_class_meta_marshal>
        marshal_data = <optimized out>
        in_marshal = <optimized out>
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#27 0x00007f83919c54b7 in signal_emit_unlocked_R (node=<optimized out>, detail=0, instance=<optimized out>, emission_return=0x0, instance_and_params=0xc1c800) at /build/buildd/glib2.0-2.31.18/./gobject/gsignal.c:3418
        need_unset = 0
        accumulator = 0x0
        emission = {next = 0x0, instance = 0x23b6c40, ihint = {signal_id = 28, detail = 0, run_type = G_SIGNAL_RUN_CLEANUP}, state = EMISSION_STOP, chain_type = 24205600}
        class_closure = 0xa80ef0
        hlist = 0x0
        handler_list = 0x262ead0
        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 = 28
        max_sequential_handler_number = 13069
        return_value_altered = 1
#28 0x00007f83919ccfcb in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=0x7fff66214c58) at /build/buildd/glib2.0-2.31.18/./gobject/gsignal.c:3033
        instance_and_params = 0xc1c800
        signal_return_type = 4
        param_values = 0xc1c818
        node = 0xa81960
        i = <optimized out>
        n_params = 0
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#29 0x00007f83919cd192 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.31.18/./gobject/gsignal.c:3090
        var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fff66214d30, reg_save_area = 0x7fff66214c70}}
#30 0x00007f838e2a0e9a in gtk_widget_dispose (object=0x23b6c40) at /build/buildd/gtk+3.0-3.3.16/./gtk/gtkwidget.c:10112
        widget = 0x23b6c40
        priv = 0x23b6c90
#31 0x00007f83919b9f20 in g_object_run_dispose (object=0x23b6c40) at /build/buildd/glib2.0-2.31.18/./gobject/gobject.c:1061
        __PRETTY_FUNCTION__ = "g_object_run_dispose"
#32 0x00007f8392424a28 in add_to_library_response_cb (shell=0xbb4040, dialog=0x23b6c40, response_id=<optimized out>) at rb-shell.c:2970
        current_dir = 0x20c37e0 "/org/gtk/settings/file-chooser/last-folder-uri"
        uri_list = 0x26a8610
        uris = <optimized out>
        library_settings = <optimized out>
#33 add_to_library_response_cb (dialog=0x23b6c40, response_id=<optimized out>, shell=0xbb4040) at rb-shell.c:2940
No locals.
#34 0x00007f83919b53c4 in g_closure_invoke (closure=0x26082b0, return_value=0x0, n_param_values=2, param_values=0x26964a0, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.31.18/./gobject/gclosure.c:774
        marshal = 0x7f83919b6b30 <g_cclosure_marshal_VOID__INT>
        marshal_data = <optimized out>
        in_marshal = <optimized out>
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#35 0x00007f83919c55f5 in signal_emit_unlocked_R (node=<optimized out>, detail=0, instance=<optimized out>, emission_return=0x0, instance_and_params=0x26964a0) at /build/buildd/glib2.0-2.31.18/./gobject/gsignal.c:3302
        tmp = <optimized out>
        handler = 0x2597a30
        accumulator = 0x0
        emission = {next = 0x7fff662152b0, instance = 0x23b6c40, ihint = {signal_id = 163, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
        class_closure = 0xb8dd60
        hlist = 0x0
        handler_list = 0x224ecd0
        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 = 163
        max_sequential_handler_number = 13056
        return_value_altered = 1
#36 0x00007f83919ccfcb in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=0x7fff662150b8) at /build/buildd/glib2.0-2.31.18/./gobject/gsignal.c:3033
        instance_and_params = 0x26964a0
        signal_return_type = 4
        param_values = 0x26964b8
        node = 0xb8de10
        i = <optimized out>
        n_params = 1
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#37 0x00007f83919cd192 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.31.18/./gobject/gsignal.c:3090
        var_args = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 0x7fff66215190, reg_save_area = 0x7fff662150d0}}
#38 0x00007f83919b53c4 in g_closure_invoke (closure=0x2589870, return_value=0x0, n_param_values=1, param_values=0xbce2a0, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.31.18/./gobject/gclosure.c:774
        marshal = 0x7f83919b67e0 <g_cclosure_marshal_VOID__VOID>
        marshal_data = <optimized out>
        in_marshal = <optimized out>
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#39 0x00007f83919c55f5 in signal_emit_unlocked_R (node=<optimized out>, detail=0, instance=<optimized out>, emission_return=0x0, instance_and_params=0xbce2a0) at /build/buildd/glib2.0-2.31.18/./gobject/gsignal.c:3302
        tmp = <optimized out>
        handler = 0x25aa2f0
        accumulator = 0x0
        emission = {next = 0x7fff662156b0, instance = 0x25772b0, ihint = {signal_id = 168, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 4}
        class_closure = 0xb917a0
        hlist = 0x26b8528
        handler_list = 0x25aa2f0
        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 = 168
        max_sequential_handler_number = 13056
        return_value_altered = 1
#40 0x00007f83919ccfcb in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=0x7fff662154a8) at /build/buildd/glib2.0-2.31.18/./gobject/gsignal.c:3033
        instance_and_params = 0xbce2a0
        signal_return_type = 4
        param_values = 0xbce2b8
        node = 0xb90120
        i = <optimized out>
        n_params = 0
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#41 0x00007f83919cd192 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.31.18/./gobject/gsignal.c:3090
        var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fff66215580, reg_save_area = 0x7fff662154c0}}
#42 0x00007f838e08aa7d in gtk_real_button_released (button=0x25772b0) at /build/buildd/gtk+3.0-3.3.16/./gtk/gtkbutton.c:1948
        priv = <optimized out>
#43 0x00007f83919b53c4 in g_closure_invoke (closure=0xb927e0, return_value=0x0, n_param_values=1, param_values=0x1e02140, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.31.18/./gobject/gclosure.c:774
        marshal = 0x7f83919b3c60 <g_type_class_meta_marshal>
        marshal_data = <optimized out>
        in_marshal = <optimized out>
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#44 0x00007f83919c59da in signal_emit_unlocked_R (node=<optimized out>, detail=0, instance=<optimized out>, emission_return=0x0, instance_and_params=0x1e02140) at /build/buildd/glib2.0-2.31.18/./gobject/gsignal.c:3232
        accumulator = 0x0
        emission = {next = 0x7fff66215b00, instance = 0x25772b0, ihint = {signal_id = 167, detail = 0, run_type = G_SIGNAL_RUN_FIRST}, state = EMISSION_RUN, chain_type = 12119232}
        class_closure = 0xb927e0
        hlist = 0x26b8528
        handler_list = <optimized out>
        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 = 167
        max_sequential_handler_number = 13056
        return_value_altered = <optimized out>
#45 0x00007f83919ccfcb in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=0x7fff662158a8) at /build/buildd/glib2.0-2.31.18/./gobject/gsignal.c:3033
        instance_and_params = 0x1e02140
        signal_return_type = 4
        param_values = 0x1e02158
        node = 0xb928e0
        i = <optimized out>
        n_params = 0
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#46 0x00007f83919cd192 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.31.18/./gobject/gsignal.c:3090
        var_args = {{gp_offset = 24, fp_offset = 48, overflow_arg_area = 0x7fff66215980, reg_save_area = 0x7fff662158c0}}
#47 0x00007f838e088531 in gtk_button_button_release (widget=<optimized out>, event=<optimized out>) at /build/buildd/gtk+3.0-3.3.16/./gtk/gtkbutton.c:1840
        button = <optimized out>
#48 gtk_button_button_release (widget=<optimized out>, event=<optimized out>) at /build/buildd/gtk+3.0-3.3.16/./gtk/gtkbutton.c:1832
No locals.
#49 0x00007f838e15b893 in _gtk_marshal_BOOLEAN__BOXED (closure=0xa84c40, return_value=0x7fff66215b50, n_param_values=<optimized out>, param_values=0x268ba10, invocation_hint=<optimized out>, marshal_data=<optimized out>) at /build/buildd/gtk+3.0-3.3.16/./gtk/gtkmarshalers.c:85
        callback = 0x7f838e0884f0 <gtk_button_button_release>
        cc = 0xa84c40
        data1 = 0x25772b0
        data2 = 0xa7c7a0
        v_return = <optimized out>
        __PRETTY_FUNCTION__ = "_gtk_marshal_BOOLEAN__BOXED"
#50 0x00007f83919b53c4 in g_closure_invoke (closure=0xa84c40, return_value=0x7fff66215b50, n_param_values=2, param_values=0x268ba10, invocation_hint=<optimized out>) at /build/buildd/glib2.0-2.31.18/./gobject/gclosure.c:774
        marshal = 0x7f83919b3c60 <g_type_class_meta_marshal>
        marshal_data = <optimized out>
        in_marshal = <optimized out>
        __PRETTY_FUNCTION__ = "g_closure_invoke"
#51 0x00007f83919c5bda in signal_emit_unlocked_R (node=<optimized out>, detail=0, instance=<optimized out>, emission_return=0x7fff66215c90, instance_and_params=0x268ba10) at /build/buildd/glib2.0-2.31.18/./gobject/gsignal.c:3340
        accumulator = 0xa84d10
        emission = {next = 0x0, instance = 0x25772b0, ihint = {signal_id = 54, detail = 0, run_type = G_SIGNAL_RUN_LAST}, state = EMISSION_RUN, chain_type = 12119232}
        class_closure = 0xa84c40
        hlist = 0x26b8488
        handler_list = 0x0
        return_accu = 0x7fff66215b50
        accu = {g_type = 20, 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 = 54
        max_sequential_handler_number = 13056
        return_value_altered = 0
#52 0x00007f83919ccead in g_signal_emit_valist (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>, var_args=0x7fff66215cf8) at /build/buildd/glib2.0-2.31.18/./gobject/gsignal.c:3043
        return_value = {g_type = 20, 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}}}
        error = 0x0
        rtype = 20
        static_scope = 0
        instance_and_params = 0x268ba10
        signal_return_type = 20
        param_values = 0x268ba28
        node = 0xa84cb0
        i = <optimized out>
        n_params = 1
        __PRETTY_FUNCTION__ = "g_signal_emit_valist"
#53 0x00007f83919cd192 in g_signal_emit (instance=<optimized out>, signal_id=<optimized out>, detail=<optimized out>) at /build/buildd/glib2.0-2.31.18/./gobject/gsignal.c:3090
        var_args = {{gp_offset = 32, fp_offset = 48, overflow_arg_area = 0x7fff66215dd0, reg_save_area = 0x7fff66215d10}}
#54 0x00007f838e297199 in gtk_widget_event_internal (widget=0x25772b0, event=0x20723c0) at /build/buildd/gtk+3.0-3.3.16/./gtk/gtkwidget.c:6154
        signal_num = <optimized out>
        return_val = 0
#55 0x00007f838e15b06a in gtk_propagate_event (widget=0x25772b0, event=0x20723c0) at /build/buildd/gtk+3.0-3.3.16/./gtk/gtkmain.c:2434
        tmp = <optimized out>
        handled_event = <optimized out>
        __PRETTY_FUNCTION__ = "gtk_propagate_event"
#56 0x00007f838e15b48b in gtk_main_do_event (event=0x20723c0) at /build/buildd/gtk+3.0-3.3.16/./gtk/gtkmain.c:1691
        event_widget = <optimized out>
        grab_widget = 0x25772b0
        window_group = <optimized out>
        rewritten_event = <optimized out>
        device = <optimized out>
        tmp_list = <optimized out>
        __PRETTY_FUNCTION__ = "gtk_main_do_event"
#57 0x00007f839219e792 in gdk_event_source_dispatch (source=<optimized out>, callback=<optimized out>, user_data=<optimized out>) at /build/buildd/gtk+3.0-3.3.16/./gdk/x11/gdkeventsource.c:360
        display = <optimized out>
        event = 0x20723c0
#58 0x00007f83916f9dda in g_main_dispatch (context=0x9900f0) at /build/buildd/glib2.0-2.31.18/./glib/gmain.c:2510
        dispatch = 0x7f839219e770 <gdk_event_source_dispatch>
        was_in_call = 0
        user_data = 0x0
        callback = 0
        cb_funcs = 0x0
        cb_data = 0x0
        current_source_link = {data = 0x9aa9b0, next = 0x0}
        need_destroy = <optimized out>
        source = 0x9aa9b0
        current = 0xc33b80
        i = <optimized out>
#59 g_main_context_dispatch (context=0x9900f0) at /build/buildd/glib2.0-2.31.18/./glib/gmain.c:3047
No locals.
#60 0x00007f83916fa1a0 in g_main_context_iterate (dispatch=1, block=<optimized out>, context=0x9900f0, self=<optimized out>) at /build/buildd/glib2.0-2.31.18/./glib/gmain.c:3118
        timeout = 29
        some_ready = 1
        fds = <optimized out>
        max_priority = 2147483647
        nfds = 10
        allocated_nfds = <optimized out>
#61 g_main_context_iterate (context=0x9900f0, block=<optimized out>, dispatch=1, self=<optimized out>) at /build/buildd/glib2.0-2.31.18/./glib/gmain.c:3055
        some_ready = 1
#62 0x00007f83916fa264 in g_main_context_iteration (context=0x9900f0, may_block=1) at /build/buildd/glib2.0-2.31.18/./glib/gmain.c:3179
        retval = <optimized out>
#63 0x00007f8391e94894 in g_application_run (application=0xbb4040, argc=<optimized out>, argv=0x7fff662160f8) at /build/buildd/glib2.0-2.31.18/./gio/gapplication.c:1496
        arguments = 0xbaf520
        status = 0
        i = <optimized out>
        __PRETTY_FUNCTION__ = "g_application_run"
#64 0x0000000000400e8a in main (argc=1, argv=0x7fff662160f8) at main.c:97
        shell = 0xbb4040
        autostarted = <optimized out>
        desktop_file_path = <optimized out>
        new_argc = 1
        new_argv = 0x7fff662160f8