>>>
*Now, using the TreeModel and passing iterators, I get a shed load of Gtk-CRITICAL **: 12:24:08.859: gtk_tree_store_get_path: assertion 'iter->user_data != NULL' failed interspersed with my own debug report of invalid iters passed to on_combo_changed() I don't think this is connected with the coupling. If I comment out the forward coupling call it makes little difference. I've also tried calling unset_active() before the clear() but it didn't help.* >>> Yep: ``` G_DEBUG=fatal-criticals gdb ./your_exe run bt ```
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