I checked Ubuntu Server 15.04 also and found that problem not only in recovery but I should run setupcon after each reboot to get Cyrillic letters readable. And for some reason 'setupcon --save' not saves it to feature reboots.
** Summary changed: - Recovery mode is displayed in unreadable font + Recovery mode is displayed unreadable -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1449292 Title: Recovery mode is displayed unreadable To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/console-setup/+bug/1449292/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs