Also, the grub-installer script that runs at install time identifies the fioa device's partition label as loop.
Oct 23 18:17:10 grub-installer: info: Identified partition label for /dev/fioa2: loop When installing to the ATA device, the sda devices are seen as gpt: Oct 24 15:50:51 grub-installer: info: Identified partition label for /dev/sda2: gpt -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1237519 Title: Grub2 fails to install to non-standard device path To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1237519/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs