Mageia 5 Graphics Woes With Intel Broadwell HD Graphics

For the most part my Linux benchmarking of Intel Broadwell systems currently in the form of the ThinkPad X1 Carbon and Intel Broadwell NUC have been going great. Major Linux distributions tested on this latest-generation Intel hardware have been going well, but the first major failure I've run into on Broadwell was when firing up Mageia 5 Beta 3...