Bug confirmed here: https://github.com/zfsonlinux/grub/issues/5
and step 2 of https://github.com/zfsonlinux/pkg-zfs/wiki/HOWTO-install-Ubuntu-14.04--- 15.04-to-a-Native-ZFS-Root-Filesystem which advocates some craziness with udev to copy /dev/disk/by-id/ names to /dev/ . -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1527727 Title: grub-probe for zfs assumes all devices prefix with /dev, ignoring /dev/disk/... To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1527727/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs