Sourcing file `/etc/default/grub'
Sourcing file `/etc/default/grub.d/init-select.cfg'
Generating grub configuration file ...
/etc/grub.d/10_linux_zfs: 229: version_sort_sort_has_v: parameter not set
Warning: didn't find any valid initrd or kernel.
Found memtest86+ 64bit EFI image: /BOOT/ubuntu_nedhsb@/memtest86+x64.efi
Warning: os-prober will not be executed to detect other bootable partitions.
Systems on them will not be added to the GRUB boot configuration.
Check GRUB_DISABLE_OS_PROBER documentation entry.
Adding boot menu entry for UEFI Firmware Settings ...
done
Here is what I get from update-grub2:
$ sudo update-grub2
Sourcing file `/etc/default/grub' grub.d/ init-select. cfg' d/10_linux_ zfs: 229: version_ sort_sort_ has_v: parameter not set nedhsb@ /memtest86+ x64.efi OS_PROBER documentation entry.
Sourcing file `/etc/default/
Generating grub configuration file ...
/etc/grub.
Warning: didn't find any valid initrd or kernel.
Found memtest86+ 64bit EFI image: /BOOT/ubuntu_
Warning: os-prober will not be executed to detect other bootable partitions.
Systems on them will not be added to the GRUB boot configuration.
Check GRUB_DISABLE_
Adding boot menu entry for UEFI Firmware Settings ...
done