[Vm-dev] Fwd: About systemTracer

Igor Stasenko siguctua at gmail.com
Sat Dec 31 22:37:18 UTC 2011


system tracer writes an image 6404 version
while cog uses 6405
i dont remember what is the difference between them, can someone remind me?


On 31 December 2011 10:49, Luc Fabresse <luc.fabresse at gmail.com> wrote:
>
> Hi All,
>
>  I am forwarding a message from David (Thanks a lot to him) who pointed that SystemTracer2 should be run  with a non-cog VM otherwize, the generated image is not usable.
>
>  Does someone know why?
>  Thanks,
>
> #Luc
>
>
>
> ---------- Forwarded message ----------
> From: David T. Lewis <lewis at mail.msen.com>
> Date: 2011/12/30
>
> Actually, I think I just spotted the problem. If I use an interpreter
> VM to run the system tracer, then load the cloned image with an interpreter
> VM, then save the cloned image, then run it under Cog, it works.
>
> If I use Cog to do the system tracing, the cloned image does not work.
>
> If I use the interpreter VM to trace the image, then run the cloned
> image under Cog, it does not work.
>
> If I run the same cloned image on an interpreter VM, it works.
>
> After the cloned image has been saved from an interpreter VM, it
> can be used with Cog.
>
> I do not know the reason for this, but that is what I am seeing.
>
> I am using Linux, but on a Mac you can probably use Ian's unix VM
> for Mac from http://squeakvm.org/unix/ and see if you get the same
> results.
>
> Dave
>
>



-- 
Best regards,
Igor Stasenko.


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