I haven't tested the diff, but this looks like an improvement to me. The new output message improves the messaging to the user with a clue that LABEL resolution is involved in fs type lookup and a possible source of the issue.
+1 thanks @bdrung -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2068077 Title: initramfs-tools reports "can't identify type of root filesystem" when label is missing To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/initramfs-tools/+bug/2068077/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs