/usr/lib/grub/x86_64-efi/ext2.mod, from: grub-efi-amd64-bin: Installed: 2.02-2ubuntu8.13 Candidate: 2.02-2ubuntu8.13 doesn't recognize an ext4 filesystem with metadata_csum_seed set. This is true in command-line grub, not just the update-grub software. Attempting linux (hdx,gptx)/ etc on a…