> > I don't think /dev/mem supports mmap() on vax. Also, the "lost mapping"
> 
> Is there any reason why not or is it just that nobody got around to
> writing the code?  It'd be nice if this worked because it'd be a nice
> way to play with unsupported hardware (eg. VS2000 video, Q-bus IO
> boards, etc.)  Should at least reads/writes access locations in the
> physical address space like the monitor commands?
> 
Nobody has gone into writing the code yet. But I think that it would
be trivial to fix; look at the mmap() code in i386/i386/mem.c.

> > problem should be gone away in post-1.3. What version are you using?
> 
> I tried 1.2C and 1.3 (the generic kernel) on my VS2000.
> 
Ok. It should work in post-1.3 (-current).

-- Ragge