In order to understand which call fails, could you edit the file /usr/sbin/grub-mkconfig and add a 'set -x' just under the 'set -e' as follow:
======================== #! /bin/sh set -e set -x # Generate grub.cfg by inspecting /boot contents. [...] ======================== Then run update-grub with: $ sudo update-grub 2>&1|tee /tmp/grub.log and attach the resulting file /tmp/grub.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1874304 Title: grub-probe fails with failed to get canonical path of rpool with ZFS To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1874304/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
