@Mao, have you tried using Fedora 17? It's using Shell 3.4.2 (gnome-shell --version reports 3.4.1), with latest stable kernel and Mesa (after update, however). If the bug was fixed, then it will be there.
@Mao, have you tried using Fedora 17? It's using Shell 3.4.2 (gnome-shell --version reports 3.4.1), with latest stable kernel and Mesa (after update, however). If the bug was fixed, then it will be there.