I believe this is actually a duplicate of the earlier bug #414996, marked critical against grub2 (do to it's potential for data loss or making a system unable to boot.) However, I've marked the earlier bug as duplicate as this likely correctly identifies ubiquity as the project.
-- [Regression] Installing to USB drive, proposes MBR to be written to internal disk https://bugs.launchpad.net/bugs/549756 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs