The problem seemed to be that, when chrooting into /target without any internet connected, the cdrom repository failed to update and hence couldn't find grub-efi-amd64-signed.
Please see the pastbin: http://pastebin.com/ghWYjJmt In the live environment it could find, but failed to find it in /target. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1521132 Title: Failed to install Xenial in UEFI mode, failed with "grub-efi- amd64-signed package failed to install into /target/" To manage notifications about this bug go to: https://bugs.launchpad.net/grub-installer/+bug/1521132/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
