PK56992: S202-0C ABEND UNDER L8 TCB TASK. ABEND0C4-11 IEAVEPST+X'1420'

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• ABEND0C4-11 IEAVEPST+x'1420' when modules  EYU9NLDCNLDCissues a
  POST SVC (x'0A02')and when module EYU9NLIDNLIDissues a POST SVC
  .the POST SVC fails with a S202-0C. The ECB was
  EXEC CICS WAIT EVENT under the QR TCB. CPSM is executing under
  L8 TCB . Therefore a S0C4-10 occurs trying to get access a tran
  iso ECB that belongs to the task that was waited under the QRTCB
  . The WAITED task was a TRANACTION ISOLATED task. the CPSM task
  is running in a subspace and is not allowed to touch storage
  that belongs to other tasks.
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED: All CICSPlex SM V3R2M0 Users                 *
  ****************************************************************
  * PROBLEM DESCRIPTION: If Transaction Isolation is active in a *
  *                      MAS and CICS programs are running on an *
  *                      Open Transaction Environment (OTE) TCB, *
  *                      then the following messages may be      *
  *                      issued:                                 *
  *                                                              *
  *                        DFHAP0701 <applid> An abend (code 202 *
  *                        /AKEB) has occurred in exit program   *
  *                        EYU9NLID at exit point XRSINDI.       *
  *                                                              *
  *                        DFHAP0701 <applid> An abend (code 202 *
  *                        /AKEB) has occurred in exit program   *
  *                        EYU9NLDC at exit point XDUREQC.       *
  ****************************************************************
  * RECOMMENDATION: After applying the PTF that resolves this    *
  *                 APAR, all CMASes and MASes must be recycled  *
  *                 to pick up the new code.  Note that the      *
  *                 restarts do not need to be done at the same  *
  *                 time.                                        *
  ****************************************************************
  The CICSPlex SM Global User Exits (GLUE) programs are defined
  with EXECKEY(CICS). As such they expect to receive control in
  the base space if Transaction Isolation is active.
  
  However CICS may not switch to base space when a GLUE is called.
  
  As the CICSPlex SM GLUEs typically issue the MVS POST macro
  against an ECB waited on by another CICS task, the CICS
  dispatcher POST exit routine (DFHDSPX) gets called in the
  subspace mode of the caller.
  
  As part of the DFHDSPX processing, an additional MVS POST may be
  issued to re-dispatch the CICS QR TCB. If this POST causes the
  MVS POST routine IEAVPST to gain control in subspace mode, then
  the abend 202 may occur as IEAVPST attempts to touch ECBs in
  another subspace.
  

Problem conclusion

• Because CICS may not call EXECKEY(CICS) defined GLUEs in base
  space, the following CICSPlex SM GLUEs have been updated so
  that they will switch to base space if they need to perform
  any work:
  
    EYU9NLDC - XDUREQC
    EYU9NLDR - XDUREQ
    EYU9NLID - XRSINDI
    EYU9NLME - XMEOUT (MAS)
    EYU9NLSO - XSNOFF
    EYU9NMST - XSTOUT
    EYU9NMTE - XMNOUT
    EYU9XLGR - XPCTA
    EYU9XLME - XMEOUT (CMAS)
    EYU9XLSR - XSRAB
  
  CICS will switch back to the tasks subspace if necessary after
  the GLUE has completed processing.
  
  To allow the GLUEs to switch to base space, EYU9XLEV has been
  updated to copy the CICS Storage Manager Transaction Isolation
  token to the XLWA.
  

Temporary fix

• FIX AVAILABLE BY PTF ONLY
  

Comments

• ž**** PE08/03/10 FIX IN ERROR. SEE APAR PK62363  FOR DESCRIPTION
  

APAR Information

• APAR is sysrouted FROM one or more of the following:

  PK56861

• APAR is sysrouted TO one or more of the following:

  UK33761

Modules/Macros

•    EYURXLWA EYU9NLDC EYU9NLDR EYU9NLID EYU9NLME
  EYU9NLSO EYU9NMST EYU9NMTE EYU9XLCS EYU9XLEV EYU9XLGR EYU9XLME
  EYU9XLSR
  

Fix information

• Fixed component name

  CICSTS V3 Z/OS

• Fixed component ID

  5655M1500

Applicable component levels

• R50M PSY UK33761

     UP08/02/21 P F802

Fix is available

• Select the PTF appropriate for your component level. You will be required to sign in. Distribution on physical media is not available in all countries.