The message is for single user mode and pressing Ctrl-D continues boot, whereas Enter enters the shell/allows maintenance.
I can see it's confusing if you enter via friendly-recovery that way. ** Package changed: grub2 (Ubuntu) => friendly-recovery (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1896489 Title: UI for "drop to root shell" is confusing To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/friendly-recovery/+bug/1896489/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs