Hi,

I was looking at the dump of a couple S0C4 we had a few days ago, seems to be 
happening on a load instruction to get dataset information. The formatted 
summary on IPCS shows this for the dataset in question:

*** DCB FORMAT ERROR.  DCB DOES NOT POINT TO DEB ***

That is true, DCBDEBA in the DCB does not point to the DEB (the DEBDCBAD in the 
DEB points correctly to the DCB). I am wondering how that came to be, storage 
overlay perhaps ? As far as I know, that information is set by the system, 
cannot be set by the DCB macro.

Strange enough, reallocating the dataset appears to have resolved the abends.  
: |

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