I sas re-installing a 15.04 x64 ISO image earlier and I had the above freezing problem with ubiquity. I was reusing my existing partition structure, keeping the /home partition but formatting the others.
I found that removing a /var partition and formatting / and /usr partitions allowed the installer to move to the copying files sections of the install. -- 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