I spoke too fast, it can finish the installation because there is already an Ubuntu installed with Legacy mode, and I choose to install the Xenial alongside with it in UEFI mode. After it finished, I can't boot with UEFI mode.
Anyway, bug reported Debian can be found here: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=809788 Thanks ** Bug watch added: Debian Bug tracker #809788 http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=809788 ** Changed in: grub-installer (Ubuntu) Status: Incomplete => Confirmed -- 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
