I was able to reproduce this using those steps: install 13.10 with a separate /home, then install 14.04 and pick the install along side option. It discards /home and gives you the choice to balance the size of the old and new root partitions.
I was able to reproduce this using those steps: install 13.10 with a separate /home, then install 14.04 and pick the install along side option. It discards /home and gives you the choice to balance the size of the old and new root partitions.