CAHCHECK shows dumps when the OPSMVS DEBUGAPI parm is turned on.

Document ID : KB000117798
Last Modified Date : 18/10/2018
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Introduction:
When the OSPMVS DEBUGAPI parm was set to ON, client  started seeing dump messages for CAHCHECK in the OPSMVS log
Question:
when the OSPMVS DEBUGAPI parm was set to ON, we started seeing dump messages for CAHCHECK in the OPSMVS log. Not sure if this is normal or there is an unreported issue within CAHCHECK. OPS9999T OPAIBLOK size: 352 function: HTBT level: 1 OPS9999T Address Offset +0 . . . +4 . . . +8 . . . +C . . . OPS9999T 23EE2F00 00000000 C8E3C2E3 00000160 00000001 23B08D74 *HTBT...-....... OPS9999T 23EE2F10 00000010 00000003 C3C1C8C5 C1D9E3C2 E340F000 *....CAHEARTBT 0 OPS9999T 23EE2F20 00000020 C3C1C8C3 D2404040 99F1F44B F1404040 *CAHCK r14.1 OPS9999T 23EE2F30 00000030 C3C5C6F5 C5F1F040 00000000 7F56A158 *CEF5E10 ....".~ OPS9999T 23EE2F40 00000040 7F56A0B0 00000000 00000000 D6D7E2E2 *"...........OPS
Environment:
z/OS
Answer:
From  OPSMVS SUPPORT:
That is the function of debugapi. If you don't want these messages, kindly set the function to off.