I've had the issue again, same box, reboot & another re-try (4th maybe)
The installer failed to create partition on disk 'ST3160815AS'. Create a new partition (22.00 GiB, ext4) on ‘/dev/sda’ Job: Create new partition on device ‘/dev/sda’ Command: sfdisk --force --append /dev/sda Job: Create file system ‘ext4’ on partition ‘/dev/sda9’ Command: mkfs.ext4 -qF /dev/sda9 Attached is NEW session.log (single install attempt only) ** Attachment added: "~/.cache/calamares/session.log" https://bugs.launchpad.net/ubuntu/+source/calamares/+bug/1864787/+attachment/5331167/+files/session.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1864787 Title: Lubuntu failed install "sfdisk --force --append /dev/sda" To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/calamares/+bug/1864787/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs