On Sun, 15 Jan 2023 at 15:14, Paul Gilmartin <
0000042bfe9c879d-dmarc-requ...@listserv.ua.edu> wrote:

>
> I suppose z/OS will never recover from AMODE 24 entanglements.
>

Either the APAR text is confused, or I am. It says:

* PROBLEM DESCRIPTION: ABEND0C4 in 24-bit PSW addressing mode  *
*                      with 31-bit ASCB address.               *
****************************************************************
* RECOMMENDATION: Apply the PTF.                               *
****************************************************************
Some started task program issued cross-memory TPUT
to TSO user. IGC0009C received control to process
TPUT. It received an abend0c4 in 24-bit addressing
trying to access 31-bit ASCB address.

I guess this mostly article-free English is trying to say that an
unspecified field in the ASCB points to something above the line, rather
than that the ASCB itself is above the line.

IHAASCB still says that the ASCB is below the line, and I think a ton of
stuff would break it was moved above. That's what the ASSB is for.

Tony H.

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