This bug was fixed in the package grub-installer - 1.128ubuntu5.1
--------------- grub-installer (1.128ubuntu5.1) xenial; urgency=medium
* grub-installer: deal with NVMe devices (or other devices with a partition separator) being used to back the PReP partition on ppc64el. (LP: #1656048)
-- Mathieu Trudel-Lapierre <email address hidden> Fri, 13 Jan 2017 16:19:30 -0500
This bug was fixed in the package grub-installer - 1.128ubuntu5.1
---------------
grub-installer (1.128ubuntu5.1) xenial; urgency=medium
* grub-installer: deal with NVMe devices (or other devices with a partition
separator) being used to back the PReP partition on ppc64el. (LP: #1656048)
-- Mathieu Trudel-Lapierre <email address hidden> Fri, 13 Jan 2017 16:19:30 -0500