The installation can be borked entirely, if you, for instance, choose to erase a whole disk and there's not enough memory to turn swap off.
I don't know, however, what the solution for this would be - at least in the case of the insufficient memory. -- If an existing swap partition is marked for formatation, it gets "corrupted" and unused in the final installed system, because the LiveCD is using it https://launchpad.net/bugs/42159 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
