The message is from partman-partitioning/no_bootable_gpt_efi of lp:~ubuntu-core-dev/partman-partitioning/ubuntu. It seems relative to http://bazaar.launchpad.net/~ubuntu-core-dev/partman-partitioning/ubuntu/revision/913 .
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/972122 Title: Ubiquity pops out a warning message from partman-partitioning on UEFI BIOS when there is a EFI system partition existed. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/partman-partitioning/+bug/972122/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
