I am also facing this issue. I will either get the results mentioned here, or I'll see a password prompt, but keyboard support isn't accepted. For me, it also happened when installing the latest nvidia driver.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1638983 Title: Boot splash with luks password prompt broken after nvidia upgrade to 367 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-367/+bug/1638983/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
