By following the steps provided I was able to reproduce this in Oneiric, and Natty for that matter. Note that the + sign on the left has been replaced by a triangle, but it still behaves like described above. Someone should probably forward this to the nautilus developers.
** Changed in: nautilus (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/692668 Title: nonsense behaviour when dragging the "+" sign next to a folder To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nautilus/+bug/692668/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs