OK. Right now I have a perfectly working dual boot laptop with Ubuntu 12.10 and Microsoft Windows 8 (both in UEFI mode). The disk is partitioned in GPT format (needed by Windows UEFI installation and ...
I used DiskUtility+Bootcamp Wizard to setup my hard drive for Windows 8 (final MSDN). Somewhere in that process, the Apple tools turned my GPT disk into a hybrid MBR/GPT. All four of my MBR's primary ...