Checking for GRUB menu on boot environment <b59>.
biosdev: Could not match any!!
ERROR: Device mapping command </sbin/biosdev> failed. Please reboot and try again.
ERROR: GRUB slice lookup failed.
ERROR: Cannot determine GRUB slice.
ERROR: Cannot make file systems for boot environment <b59>.



when trying to create a boot env for nevada b59 on a b57 (x86)