I'm getting closer to finding the problem. It looks like in function get_dataset_info() in 10_linux_zfs the content of initrd_list, kernel_list, and last_booted_kernel are not being echoed back on the call. I don't know why yet. I haven't fully grasp the shell script.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1848856 Title: Upgrade from 19.04 to 19.10 with zfs on root fails with grub syntax error To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1848856/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
