One caveat with Calamares is that while it supposedly tries to unmount before getting drive information, this doesn’t always work. One reason why is because the Ubuntu platform auto mounts swaps. That said, I’d try to check what’s mounted and unmount before starting the installer.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2062075 Title: Ubuntu installer does not detect other operating systems To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/calamares/+bug/2062075/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs