On Wed, 18 Jun 2025 18:27:59 -0400, Joseph Reichman <[email protected]> 
wrote:

>I copied the basic code from xephon 
>
>In that code there was a storage obtain and release sp=0 local storage 

When you say "release sp=0", then you are saying free the entire subpool and 
ADDR= & LENGTH= were not specified on the STORAGE RELEASE. Because it was 
XEPHON, that ADDR= was specified.

If you don't believe me about S0C4 suppression, then issue SLIP 
SET,ID=S0C4TEST,COMP=0C4,MATCHLIM=5,ACTION=NONE,END and it should only take a 
couple of minutes on an active system to trip 5 times but without a visible 
S0C4 abend.  

I'm telling you the STORAGE RELEASE has a bad address. Without more 
information, we can't be helpful. My recommendation is to set a SLIP 
COMP=878,ACTION=SVCD and look at the dump. 

Your code changed something incorrectly. IKJEFLD3 is an exit that is called by 
TSO and TSO did not like something your code changed. For us to help, providing 
source code is the only option left.

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