Suddenly, the problem is gone. I didn't even restart. All I did was remove a few applications like Empathy and Evolution. The problem was still there after I tried the suggestions I found somewhere such as messing with /etc/hosts and turning off some rendering feature.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/694170 Title: Exremely slow drop-down menus -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
