It isn't clear what you are trying to report. The installer *does* support installing in UEFI mode using GPT on > 2TB disks. You need a 1 mb bios_grub partition to boot in BIOS mode on a GPT partitioned disk.
** Changed in: ubiquity (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/1780015 Title: Installer gparted creates 2 BIOS boot partition To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubiquity/+bug/1780015/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs