Issue solved by adding "notsc" to kernel options. Forum post: http://www.ubuntuforums.org/showthread.php?p=1741328
-- both button and tap-to-click cease working intermittently on touchpad https://launchpad.net/bugs/70687 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
