You wrote (in your message from Mon 9)
 > 
 > the problem is that XFree86 likes to mmap /dev/mem with flags=MAP_FILE
 > (and MAP_FILE is defined to be zero, and thus is meaningless).   the
 > single unix spec says you are supposed to specify either MAP_SHARED
 > or MAP_PRIVATE, else you can return an error:
 > 
 > [EINVAL]
 >          The value of flags is invalid (neither MAP_PRIVATE nor 
 > 	 MAP_SHARED is set). 
 > 
 > 
 > so UVM enforces that unless you define COMPAT_13.   the semantics
 > of MAP_FILE seem to be:
 > 

This will be fixed in the next XFree86 version.



					Matthieu