I can reproduce it with `grub-efi 2.04-1ubuntu26.7` $ apt-cache policy grub-efi grub-efi: Installed: 2.04-1ubuntu26.7 Candidate: 2.04-1ubuntu26.7 Version table: *** 2.04-1ubuntu26.7 500 500 http://mirror.yandex.ru/ubuntu focal-updates/main amd64 Packages 100 /var/lib/dpkg/status 2.04-1ubuntu26.2 500 500 http://mirror.yandex.ru/ubuntu focal-security/main amd64 Packages 500 http://security.ubuntu.com/ubuntu focal-security/main amd64 Packages 2.04-1ubuntu26 500 500 http://mirror.yandex.ru/ubuntu focal/main amd64 Packages
$ lsb_release -a LSB Version: core-11.1.0ubuntu2-noarch:printing-11.1.0ubuntu2-noarch:security-11.1.0ubuntu2-noarch Distributor ID: Ubuntu Description: Ubuntu 20.04.1 LTS Release: 20.04 Codename: focal -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/673438 Title: update-grub: cannot restore the original directory To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/673438/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs