> I'm wondering... is something wrong with /dev/mem on VS2000?  It seems
> to me that reading, writing or mmaping that should correspond to
> reading, writing or mapping physical memory.  However, it doesn't seem
> to work right.  mmap apparently doesn't send things to the right place
> and even simple reads of the device with dd can cause "lost mapping"
> errors.  What's going on?
> 
I don't think /dev/mem supports mmap() on vax. Also, the "lost mapping"
problem should be gone away in post-1.3. What version are you using?

-- Ragge