Ubuntu 20.04.3. The same issue. Command executed: grub-install /dev/sdc --target=x86_64-efi --efi-directory=/boot/efi/ -vv
The result: grub-install: info: Registering with EFI: distributor = `ubuntu', path = `\EFI\ubuntu\shimx64.efi', ESP at mduuid/44c7e894b6d510634f9493d9e9cb20a9. grub-install: warning: Internal error. grub-install: error: failed to register the EFI boot entry: Operation not permitted. When using option "--no-nvram" - no error. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1872212 Title: grub-install: Operation not permitted To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2-signed/+bug/1872212/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
