I have been using Slackware/SalixOS since 13, however since 14.1 (only during boot) and now 14.2 has the same issue, which is a garbled loading screen. On 14.1, it disappears after almost at login. On 14.2, it just stays garbled and then I get nothing usable. My machine is MacPro5,1 (2012) hex core,...