i repeated a number of installs on d755-8 (box in original post) today using sda8 & sda9 and NO ISSUE today using lubuntu jammy
http://iso.qa.ubuntu.com/qatracker/milestones/429/builds/246634/testcases/1701/results/ (mainly reiserfs but also xfs & ext4) - daily 2022-04-07 (I've experienced this before in prior cycles; then a day or so later problems occur again; I'll endeavour to do another (or two) again -- 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/calamares/+bug/1864787/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs