Unfortunately without clear steps to reproduce this will be a difficult bug to fix. Furthermore, Lubuntu 18.10 is no longer supported. I would suggest trying again in 19.10. Perhaps try setting up the same partition scheme with 18.04 on it and see what happens. If you can't reproduce it, perhaps it was merely a fluke.
** Changed in: calamares (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1772285 Title: calamares crashed with SIGSEGV in PartitionPage::updateButtons() To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/calamares/+bug/1772285/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs