-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On
Behalf Of Chase, John
Sent: Monday, August 28, 2006 10:26 AM
To: [email protected]
Subject: Re: SLIP trap for "wild branch"?
<snip>
Yes and No:  It's an ISV application, and is presently running in three
different CICSes on two different CPUs: one a z9-BC and the other a
z9-EC.  In ONE of the CICSes on the z9-BC the program runs correctly.
In the other two it branches to "the twilight zone" where CEDF next
intercepts an EXEC CICS ENDBR command with a filename of all blanks.
Problem is that the program never issues a STARTBR command in the first
place.  The function of the program (on first invocation) is to display
the application's sign-on screen.

Now, in the instance on the z9-EC, CEDF gives an offset of x'61E192'
into the x'11108'-byte-long program (thus my conclusion that it's a
"wild branch").  In the z9-BC instance, CEDF does not show an offset
value.  Yet in both cases the "wild branch" goes somewhere where the
next CICS command is ENDBR.  And CEDF doesn't show "current" registers
or PSW when it intercepts an EXEC CICS command....  :-(
<snip>

Just to be sure that you have checked all the environmental things:

Look at the CICS where it runs correctly and then look at the others. If
the libraries are different (PDS v. PDSE), different libraries contact
in front of the ISV software, etc., then you may have found your
problem. 

Also, check the LE levels and maint between the systems (although it
doesn't seem that this is it since you indicate two CICS, one that works
and one that doesn't on the same processor -- although they could be in
different LPARs...).

[Sometimes it really helps to actually be on the scene so as to not ask
dumb questions.]

Later,
Steve Thompson

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