I've experienced this. At the desktop after loading Lucid live CD, I take the 'Install Ubuntu 10.04' option. I have a single hard disk whose single partition registers as /dev/sda1. It's formatted to ext4, but otherwise blank. After language, timezone and keyboard options, I get a partitioning screen called 'Prepare Partitions', but the content is blank, i.e. it doesn't offer the drive for partitioning. If I choose to go Forward anyway, I get the error message:
"No root file system is defined. Please correct this from the partitioning menu'. -- No root file system is defined. Please correct this from the partitioning menu. https://bugs.launchpad.net/bugs/545211 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs