Ok, I think this can be sorted by the fix applied to the packages below. Could you test those and report back here please. You will need to install these packages, remove your work around, rebuild your initramfs (update-initramfs -u), and then test. Packages are at the URL below:
http://people.canonical.com/~apw/initramfs-tools-lp1314764/ -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1314764 Title: [Fujitsu Lifebook E744/E754] i8042 without psmouse means no keyboard at decryption prompt To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/1314764/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs