I'm having the same problem as @morozov-ml. Starting from recovery mode seems to work though. This seems to be caused by an update because I've reverted to an old backup which boots just fine, but after installing updates it hangs after entering the LUKS password just like before.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1768230 Title: Long time booting : Failed to connect to lvmetad. Falling back to device scanning. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/1768230/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs