PM10955: ABEND0C4 IN EYU9XSEC DURING CMAS SHUTDOWN.

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• During the normal shutdown of 3.1 CMAS and 0c4 occurs as seen
  in the message log :
  +DFHKE1799 APPLID   TERMINATION OF CICS IS COMPLETE
  EYUXS1101I Interval Timing termination has started
  EYUXS1026E Security Interface has intercepted
  abnormal termination S0C4
  EYUXS1027I Security Interface recovery has started
   IEA794I SVC DUMP HAS CAPTURED:  153
  DUMP TITLE=CICSPlex SM External Security Abend
  EYUXS1027I Security Interface recovery has started
  EYUXS1027I Security Interface recovery has started
  EYUXS1030S Security Interface Abend limit reached.
  .
  The 0C4 is repeated until the abend limit is reached as above.
  The 0C4 occurs in EYU9XSEC UK19858 +x'1E2' as R12 address
  is not available:
  PSW: 070C2000 AFC7B1D2  Instruction length:06 Interrupt code:011
  .
  Failing instruction text: D0544780 30F0D203 C07C3C28
  Translation exception address: 7F7AA000
  R12 is 7F7AA3D0 and should point to a valid XECB but the
  page of storage 7F7AA000 has been freemained along with the
  XECB leading to the 0c4.
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED: All CICSPlex SM V4R1M0 Users                 *
  ****************************************************************
  * PROBLEM DESCRIPTION: One or more S0C4 abends may occur in    *
  *                      module EYU9XSEC at offset X'1E2' during *
  *                      CMAS termination.  If the abend occurs, *
  *                      it will repeat until the abend limit is *
  *                      reached.                                *
  *                                                              *
  *                      Messages similar to the following will  *
  *                      be issued at the time of abend:         *
  *                                                              *
  *                        DFHKE1799  TERMINATION OF CICS IS     *
  *                                   COMPLETE.                  *
  *                        EYUXS1101I Interval Timing            *
  *                                   termination has started    *
  *                        EYUXS1026E Security Interface has     *
  *                                   intercepted abnormal       *
  *                                   termination S0C4           *
  *                        EYUXS1027I Security Interface         *
  *                                   recovery has started       *
  *                        IEA794I SVC DUMP HAS CAPTURED:        *
  *                          DUMPID=<nnn> REQUESTED BY JOB       *
  *                                 (<jobname>)                  *
  *                          DUMP TITLE=CICSPlex SM External     *
  *                                     Security Abend           *
  *                        EYUXS1028I Security Interface         *
  *                                   recovery complete          *
  *                                                              *
  *                      Messages EYUXS1026E through EYUXS1028I  *
  *                      will be repeated for each S0C4 that     *
  *                      occurs until the abend limit is reached *
  *                      and the following messages are issued:  *
  *                                                              *
  *                        EYUXS1013I Interval Timing detached   *
  *                                   the external security      *
  *                                   manager interface          *
  *                        EYUXS1102I Interval Timing            *
  *                                   termination complete       *
  ****************************************************************
  * RECOMMENDATION: After applying the PTF that resolves this    *
  *                 APAR, all CMASes must be restarted.  Note    *
  *                 that the restarts do not need to occur at    *
  *                 the same time.                               *
  ****************************************************************
  During CMAS shutdown, module EYU9XSEC is POSTed for termination
  after the ESSS terminate process has been completed.  As part of
  termination processing, EYU9XSEC will clear the address of the
  security token in the ESSS Connection Block (XECB).  However
  since the XECB is freed as part of the previously performed ESSS
  terminate process, an S0C4 may occur when EYU9XSEC attempts to
  update it.
  
  If a S0C4 occurs, EYU9XSEC's ESTAE routine will get control,
  during which it will produce diagnostic information and then
  pass control to a retry routine.  EYU9XSEC's retry routine will
  return control to EYU9XSEC's main line logic, which will
  determine that it has been POSTed for termination, which will
  cause it to attempt to update the XECB again, resulting in
  another S0C4 abend.  This will continue until the abend limit is
  reached.
  

Problem conclusion

• EYU9XSEC has been updated as follows:
  
  -  the XECB address is now always loaded from its maintained
     pointer when needed.  If the XECB has been freed, then the
     maintained pointer will be null and EYU9XSEC will bypass
     updating the XECB.
  
  -  if an abend occurs during termination processing, the ESTAE
     retry routine will branch to exit processing instead of the
     normal processing routine.
  

Temporary fix

• FIX AVAILABLE BY PTF ONLY
  

Comments

APAR Information

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

  PM10918

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

  UK56763

Modules/Macros

• EYU9XSEC
  

Fix information

• Fixed component name

  CICS TS Z/OS V4

• Fixed component ID

  5655S9700

Applicable component levels

• R60M PSY UK56763

     UP10/05/11 P F005

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.