Running Ubuntu mainline kernel 4.1.0-040100 fixed it. Admins please feel free to close the ticket, and thank you to Joseph Salisbury for the help.
** Changed in: linux (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/1469707 Title: keyboard drops keystrokes occasionally To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1469707/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs