I get this error when I it from the command line and execute a query, so it might be a unity/compiz/gtk issue.
(mysql-workbench-bin:12296): GLib-GObject-WARNING **: attempting to add an interface (GtkTreeModel) to class (gtkmm__CustomObject_13GridViewModel) after class_init (mysql-workbench-bin:12296): GLib-GObject-WARNING **: attempting to add an interface (GtkTreeDragDest) to class (gtkmm__CustomObject_13GridViewModel) after class_init (mysql-workbench-bin:12296): GLib-GObject-WARNING **: attempting to add an interface (GtkTreeDragSource) to class (gtkmm__CustomObject_13GridViewModel) after class_init (mysql-workbench-bin:12296): Gtk-CRITICAL **: IA__gtk_tree_view_set_model: assertion 'model == NULL || GTK_IS_TREE_MODEL (model)' failed (mysql-workbench-bin:12296): Gtk-CRITICAL **: IA__gtk_tree_view_set_model: assertion 'model == NULL || GTK_IS_TREE_MODEL (model)' failed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1376154 Title: data grid not displaying resultset is blank To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mysql-workbench/+bug/1376154/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs