George Henke wrote:

>Whenever we Dial into our z/OS VM with PCOMM and 32X80 screen size it hangs at 
>the very end of the ISPF dialog and after displaying the final ISPF dialog 
>screen.

What do you mean by 'hang'? Are your sessions standing still, waiting for 
something requiring a cancel of your session? Is your Keyboard locked (Host 
keyboard lock status)? Is this only you [1] or are others also affected?

What is the name (PANELID) of those dialog screens? Perhaps those panels and or 
the driving dialogs were coded incorrectly? Or should I ask, what were you 
actually doing from one panel to the other?

I see ZSECURE in Subject. Are you referring to IBM's security tool product? If 
so, open a PMR. If IBM can recreate your problem this should be very 
interesting.


>24 X 80 is ok.

>Coming through PCOMM on CITRIX is ok.
>Coming through a NATed address in PCOMM is also ok.

With what screen size for above?

Now you're talking about NATed address, check your firewall settings on your 
workstation and on all parts of your network.


>It only fails when we Dial In with 32 X 80.

If you're in office, can you use 32x80? I always use 32x80 from home and from 
office. I hate 24*80, but then it is just me... ;-)


>Any ideas?

Probably a bad logmode in VTAM / TCP/IP? Do you use Extended Attribute?

What about larger sizes? Can you use them?

Len Rugen said something about MTU. Hmmm, very interesting.

Perhaps you can review your PCOMM settings? Oh, with what version of PCOMM and 
z/VM are you working?

Can you extract a session trace from your PCOMM session and see if some invalid 
characters were transmitted?

Sorry for asking so many bothersome questions, but I have done similar, but 
weird session+communication debugging ages ago...

Groete / Greetings
Elardus Engelbrecht

[1] - Check your profile dataset and your ISPF screen attributes and settings.

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