On 24 May 2014 19:30, Huang Wen Hui <huanghwh at gmail.com> wrote: > Hi, > I try this patch, but no lucky, loader stop at: > > Start @ 0xffffffff802d6ef0 ... Yes, I got that in the mac laptops I tried, it worked on a Mac Pro. It might be the frame buffer corruption that Ed Maste was mentioning. Cheers, Rafael