With this I guess we might have enough data to try some more things -- it may be that this is happening in a very specific case with extended partitions, or some different partition table I haven't tried yet. Marking Triaged/Medium.
** Changed in: partman-ext3 (Ubuntu) Status: New => Triaged -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1361951 Title: Ubiquity freezes while reformatting occupied partition To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/partman-ext3/+bug/1361951/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs