> Fatal server error:
> xf86MapVidMem: Could not mmap framebuffer (Cannot allocate memory)
>
> With COMPAT_14 alone, it "works" (notwithstanding the fatal PLT errors
> documented in another thread).

Make sure you've got INSECURE defined... and also, make sure you're on a
-current kernel, as I believe that some mmap() patches were imported at
some point since the 1.5-rel cycle.

/Andrew