Re: Incompatibility with MachTen.

[garges@cats.UCSC.EDU (Kenneth Garges )]

In article <v02110103ab4ee500e76f@[128.83.128.84]>, osiris@cs.utexas.edu
(Rob Browning) wrote:

> There seems to be an incompatibility between MachTen professional and MCL.
> 
> MCL freezes the machine on launch. I would expect that there is a VM
> problem since MCL uses the MMU for garbage collection, and MachTen uses it
> to reimplement the Macintosh's virtual memory scheme (you get VM with a
> swap file that only exists/grows when needed).  I told the people at Tenon
> about my suspicion and they responded:
> 
> >Yes, that's possible.  However, any attempt by another program to mess with
> >the virtual memory hardware while MachTen professional is running will
> >probably fail fatally.  We had similar trouble with Quasar's SmallTalk
> >Agents, but we fixed their problem shortly after receiving a copy of their
> >software
> 
> Anyone at Digitool want to send them a copy to work on?  :>
> 
> Thanks,
> 
> --Rob.

Try it without the Ptable extension that comes with MCL. That way MCL will
not use the MMU.