#0  0x00007f3a0219cb89 in _gtk_style_provider_private_get_settings (provider=0x0) at /build/gtk+3.0-qjgeoX/gtk+3.0-3.18.8/./gtk/gtkstyleproviderprivate.c:123
        iface = <optimized out>
#1  0x00007f3a0204b788 in gtk_css_value_initial_compute (value=<optimized out>, property_id=1, provider=0x0, style=0x194fd60, parent_style=0x0) at /build/gtk+3.0-qjgeoX/gtk+3.0-3.18.8/./gtk/gtkcssinitialvalue.c:52
        settings = <optimized out>
#2  0x00007f3a0205f3d3 in gtk_css_static_style_compute_value (style=0x194fd60, provider=0x0, parent_style=0x0, id=1, specified=0x7f3a02809cd0 <inherit>, section=0x0) at /build/gtk+3.0-qjgeoX/gtk+3.0-3.18.8/./gtk/gtkcssstaticstyle.c:232
        value = <optimized out>
#3  0x00007f3a0204cadc in _gtk_css_lookup_resolve (lookup=lookup@entry=0x1961170, provider=provider@entry=0x0, style=style@entry=0x194fd60, parent_style=parent_style@entry=0x0) at /build/gtk+3.0-qjgeoX/gtk+3.0-3.18.8/./gtk/gtkcsslookup.c:125
        i = 1
        n = 78
#4  0x00007f3a0205f2c9 in gtk_css_static_style_new_compute (provider=provider@entry=0x0, matcher=matcher@entry=0x0, parent=parent@entry=0x0) at /build/gtk+3.0-qjgeoX/gtk+3.0-3.18.8/./gtk/gtkcssstaticstyle.c:191
        result = 0x194fd60
        lookup = 0x1961170
        change = 4294967295
#5  0x00007f3a0205f364 in gtk_css_static_style_get_default () at /build/gtk+3.0-qjgeoX/gtk+3.0-3.18.8/./gtk/gtkcssstaticstyle.c:162
        style_quark = 630
        settings = 0x0
        result = <optimized out>
#6  0x00007f3a0204d652 in gtk_css_node_init (cssnode=0x194c3a0) at /build/gtk+3.0-qjgeoX/gtk+3.0-3.18.8/./gtk/gtkcssnode.c:620
No locals.
#7  0x00007f3a0a174317 in g_type_create_instance () from /tmp/apport_sandbox_Zz67fx/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#8  0x00007f3a0a15631b in g_object_new_internal () from /tmp/apport_sandbox_Zz67fx/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#9  0x00007f3a0a157c01 in g_object_newv () from /tmp/apport_sandbox_Zz67fx/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#10 0x00007f3a0a158534 in g_object_new () from /tmp/apport_sandbox_Zz67fx/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#11 0x00007f3a020673ea in gtk_css_widget_node_new (widget=widget@entry=0x19562a0) at /build/gtk+3.0-qjgeoX/gtk+3.0-3.18.8/./gtk/gtkcsswidgetnode.c:299
        result = <optimized out>
#12 0x00007f3a022305fc in gtk_widget_init (instance=0x19562a0, g_class=0x1950210) at /build/gtk+3.0-qjgeoX/gtk+3.0-3.18.8/./gtk/gtkwidget.c:4365
        widget = 0x19562a0
        priv = 0x19561d0
        __func__ = "gtk_widget_init"
#13 0x00007f3a0a174317 in g_type_create_instance () from /tmp/apport_sandbox_Zz67fx/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#14 0x00007f3a0a15631b in g_object_new_internal () from /tmp/apport_sandbox_Zz67fx/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#15 0x00007f3a0a157c01 in g_object_newv () from /tmp/apport_sandbox_Zz67fx/usr/lib/x86_64-linux-gnu/libgobject-2.0.so.0
No symbol table info available.
#16 0x00007f3a01ffc6ea in _gtk_builder_construct (builder=0x16db780, info=0x17759e0, error=0x7ffc2b044a40) at /build/gtk+3.0-qjgeoX/gtk+3.0-3.18.8/./gtk/gtkbuilder.c:707
        parameters = 0x194faf0
        construct_parameters = 0x194fb20
        obj = <optimized out>
        i = <optimized out>
        iface = <optimized out>
        custom_set_property = <optimized out>
        buildable = <optimized out>
        param_filter_flags = <optimized out>
        __func__ = "_gtk_builder_construct"
#17 0x00007f3a01ffdaf5 in builder_construct (object_info=object_info@entry=0x17759e0, error=error@entry=0x7ffc2b044a40, data=0x1931590) at /build/gtk+3.0-qjgeoX/gtk+3.0-3.18.8/./gtk/gtkbuilderparser.c:139
        object = <optimized out>
        error = 0x7ffc2b044a40
        object_info = 0x17759e0
#18 0x00007f3a01ffe4f2 in parse_child (error=0x7ffc2b044a40, values=0x7ffc2b0449d0, names=<optimized out>, element_name=0x190fb70 "child", data=0x1931590) at /build/gtk+3.0-qjgeoX/gtk+3.0-3.18.8/./gtk/gtkbuilderparser.c:524
        child_info = 0x1765140
        type = 0x0
        internal_child = 0x1920b80 "vbox"
#19 start_element (context=0x19280a0, element_name=<optimized out>, names=<optimized out>, values=0x7ffc2b0449d0, user_data=0x1931590, error=0x7ffc2b044a40) at /build/gtk+3.0-qjgeoX/gtk+3.0-3.18.8/./gtk/gtkbuilderparser.c:969
        data = 0x1931590
#20 0x00007f3a09e7d533 in emit_start_element () from /tmp/apport_sandbox_Zz67fx/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#21 0x00007f3a09e7e6f3 in g_markup_parse_context_parse () from /tmp/apport_sandbox_Zz67fx/lib/x86_64-linux-gnu/libglib-2.0.so.0
No symbol table info available.
#22 0x00007f3a01fff866 in _gtk_builder_parser_parse_buffer (builder=0x16db780, filename=0x18e0b90 "/usr/share/apport/apport-gtk.ui", buffer=0x1934850 "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<interface>\n  <!-- interface-requires gtk+ 3.0 -->\n  <object class=\"GtkTreeStore\" id=\"details_treestore\">\n    <columns>\n      <!-- column-name gchararray1 -->\n  "..., length=27400, requested_objs=<optimized out>, error=0x7ffc2b044b80) at /build/gtk+3.0-qjgeoX/gtk+3.0-3.18.8/./gtk/gtkbuilderparser.c:1259
        domain = 0x1927050 "apport"
        data = 0x1931590
        l = <optimized out>
#23 0x00007f3a01ff9b41 in gtk_builder_add_from_file (builder=0x16db780, filename=0x18e0b90 "/usr/share/apport/apport-gtk.ui", error=0x7ffc2b044db0) at /build/gtk+3.0-qjgeoX/gtk+3.0-3.18.8/./gtk/gtkbuilder.c:1029
        buffer = 0x1934850 "<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n<interface>\n  <!-- interface-requires gtk+ 3.0 -->\n  <object class=\"GtkTreeStore\" id=\"details_treestore\">\n    <columns>\n      <!-- column-name gchararray1 -->\n  "...
        length = 27400
        tmp_error = 0x0
        __func__ = "gtk_builder_add_from_file"
#24 0x00007f3a09c2de40 in ffi_call_unix64 () from /tmp/apport_sandbox_Zz67fx/usr/lib/x86_64-linux-gnu/libffi.so.6
No symbol table info available.
#25 0x00007f3a09c2d8ab in ffi_call () from /tmp/apport_sandbox_Zz67fx/usr/lib/x86_64-linux-gnu/libffi.so.6
No symbol table info available.
#26 0x00007f3a0a5f2364 in pygi_invoke_c_callable () from /tmp/apport_sandbox_Zz67fx/usr/lib/python3/dist-packages/gi/_gi.cpython-35m-x86_64-linux-gnu.so
No symbol table info available.
#27 0x00007f3a0a5f4048 in pygi_function_cache_invoke () from /tmp/apport_sandbox_Zz67fx/usr/lib/python3/dist-packages/gi/_gi.cpython-35m-x86_64-linux-gnu.so
No symbol table info available.
#28 0x00007f3a0a5e8d15 in _callable_info_call () from /tmp/apport_sandbox_Zz67fx/usr/lib/python3/dist-packages/gi/_gi.cpython-35m-x86_64-linux-gnu.so
No symbol table info available.
#29 0x000000000057fe8e in PyObject_Call ()
No symbol table info available.
#30 0x00000000005133a1 in PyEval_EvalFrameEx ()
No symbol table info available.
#31 0x0000000000517178 in _PyEval_EvalCodeWithName.lto_priv.1327 ()
No symbol table info available.
#32 0x00000000004e9502 in function_call.lto_priv ()
No symbol table info available.
#33 0x00000000004e0f51 in method_call.lto_priv ()
No symbol table info available.
#34 0x0000000000528008 in slot_tp_init ()
No symbol table info available.
#35 0x000000000054dd1c in type_call.lto_priv ()
No symbol table info available.
#36 0x000000000057fe8e in PyObject_Call ()
No symbol table info available.
#37 0x00000000005133a1 in PyEval_EvalFrameEx ()
No symbol table info available.
#38 0x0000000000517178 in _PyEval_EvalCodeWithName.lto_priv.1327 ()
No symbol table info available.
#39 0x00000000005f5b5f in PyEval_EvalCode ()
No symbol table info available.
#40 0x0000000000605d12 in run_mod ()
No symbol table info available.
#41 0x0000000000607eea in PyRun_FileExFlags ()
No symbol table info available.
#42 0x00000000006086ac in PyRun_SimpleFileExFlags ()
No symbol table info available.
#43 0x000000000062a080 in Py_Main ()
No symbol table info available.
#44 0x00000000004cb10f in main ()
No symbol table info available.