As noted, sup is Feb. 6, and without INSECURE, X would _never_ start,
compat_14 or not...

Andrew Hobgood wrote:

> > 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