Is your bug exactly like one of the two you listed? If so, please mark this one a duplicate of that one. That will subscribe you to that one.
The other bug reports seem to have a lot more information than this one. -- today's update (May 30) blocked my laptop https://launchpad.net/bugs/47489 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs