This is a well known bug, but each time it is signalized the status is unconfirmed.....see bug 45620. This is not the only one bug sinalization about this problem, there is plenty others.
-- Kernel does not read DVDs, no automount https://launchpad.net/bugs/37876 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
