40D

Explanation
When the recovery termination manager (RTM) was
ending a task, recursive errors occurred. RTM ends the address space.
This abend code is in the ASCBMCC field in the address space control
block (ASCB) for the ended address space and in message IEF402I.
A
hexadecimal reason code in register 15, in message IEF402I, and in
the SVC dump title explains the error: Code
Explanation
00
At the time of the recursive abends, RTM had established only
critical error recursion processing. Therefore, RTM could determine
only that the error was not due to a problem identified by the other
reason codes.
04
RTM2 detected a critical error in RTM2 processing.
08
RTM experienced another error while processing a recursive error.
RTM2 was unable to obtain the RTM2 work area (RTM2WA) associated with
the original error.
0C
RTM2 could not obtain the previous RTM2WA because the pointer
to it was not valid.
10
No storage was available in either the local system queue area
(LSQA) or the extended local system queue area (ELSQA) for the RTM2WA.
14
RTM2 detected that an RTM request to get or free virtual storage
ended abnormally.
18
RTM was entered recursively after it had completed end-of-task
processing.
1C
RTM2 was entered recursively. RTM2 could not find the request
block (RB) for the previously abended routine.
20
RTM2 was entered recursively to process an RTM-initiated abend
of a daughter task. RTM2 could not find the error RB for the previously
abended mother task.
24
RTM2 tried to enter an exit, but found no exit flag on to indicate
which exit to take.
28
RTM2 experienced an unrecoverable recursive error while ending
a daughter task of the current task.
30
RTM2 has been recursively entered for multiple DOD abends from
a subtask.
34
RTM2 encountered a recursive abend due to a problem with the current
Task's Linkage Stack.

System action
RTM ends the address space. The system issues
message IEF402I. The system writes an SVC dump. Critical problems
in the address space can prevent the SVC dump from completing successfully.
Even if successful, message IEA911E or IEA611I might not be issued
to indicate the dump is complete.

Operator response
Obtain the SVC dump.  The dump has the title: ABEND=40D,RC=xx,COMPON=RTM2,COMPID=SCRTM,
ISSUER=IEAVTRT2, MEMTERM - UNRECOVERABLE ABEND FAILURE

Note: Prior
to OS/390® the COMPID is SC1CM.

System programmer response
  Do the following: Obtain the reason code from message IEF402I, register
15, or the SVC dump title.
For reason code X'10', continue diagnosis
with virtual storage manager (VSM) to determine why there is not enough
ELSQA available. If the problem cannot be determined, search problem
reporting data bases for a fix for the problem. If no fix exists,
contact the component group for VSM at the IBM® Support Center. Provide the problem data
collected in previous steps.
For a reason code other than X'10', a critical
problem occurred while RTM was processing an abend. Search problem
reporting data bases for a fix for the problem. Include in the search
argument: Program identifier: PIDS/5752SCRTM
Abend code: AB/S040D
Abend reason code: PRCS/xx
If no fix exists, contact the IBM Support
Center. Provide the dump and any messages about the problem.

Source
Recovery termination manager (RTM)