Solved. I forgotten than with notebook you should use notebook.set_tab_detachable(child, True) instead of common DND method.
** Changed in: pygtk (Ubuntu) Status: New => Invalid -- DND with notebook tab leads to Segfault https://bugs.launchpad.net/bugs/604534 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs