PM06402: ESSS UNABLE TO START. MULTIPLE DUMPS TAKEN. EYUXE0023E AND EYUXE0025E MAY BE SEEN

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• You are attempting to start your CMAS.  This is the first time
  you've started it after an IPL.  This causes the ESSS address
  space EYUX320 to be started as well.  You may experience a
  situation where the ESSS abends and the CMAS hangs and does not
  respond.
  .
  If the CMAS is canceled, cleanup of CPSM areas may not occur
  because the ESSS is responsible for that, but it too abended.
  In your SYSLOG you may receive multiple SVC dumps.  Some of the
  titles may be:
  .
  EYU9X320.CREATE.FAIL.DUMP
  EYU9X320.SYSTEM.FAILURE
  .
  And the following messages may appear:
  .
  EYUXE0025E ESSS and PC Routines Mismatch Encountered
  EYUXE0023E ESSS address space not created - EYUX320 address
  space
  abended
  .
  To recover from this you must IPL.
  .
  Additional Information:
  KIXREVRBD
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED: All CICSPlex SM V3R2M0 Users                 *
  ****************************************************************
  * PROBLEM DESCRIPTION: When a CMAS start requires the creation *
  *                      of the ESSS address space (EYUX320), if *
  *                      the address space initialization        *
  *                      routine fails, for example because of a *
  *                      mismatch between the ESSS module        *
  *                      (EYU9X320) and the PC routines          *
  *                      (EYUTXEPC), and the CMAS is cancelled   *
  *                      before issuing the EYUXE0025 error      *
  *                      message and performing cleanup, then    *
  *                      invalid data structures may exist.      *
  *                                                              *
  *                      When the cause of the ESSS address      *
  *                      space initialization failure is         *
  *                      addressed, all subsequent CMAS starts   *
  *                      that attempt to create the ESSS address *
  *                      space will fail with message EYUXE0023E *
  *                      being issued.  The text of the message  *
  *                      will be:                                *
  *                                                              *
  *                        EYUXE0023E ESSS address space not     *
  *                                   created - EYUX320 address  *
  *                                   space abended              *
  *                                                              *
  *                      These failures will continue until the  *
  *                      system is IPLed.                        *
  ****************************************************************
  * 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.                               *
  ****************************************************************
  The first CMAS that starts on a system after IPL or after the
  EYU9XEUT utility was executed to terminate the ESSS address
  space, will start the ESSS address space.  If the ESSS address
  space initialization process fails, then module EYU9XECS is
  notified in the CMAS, issues message EYUXE0025E, and then cleans
  up any data structures that have been partially created during
  the initialization attempt.
  
  EYU9XECS has a recovery routine to protect against abends.  If
  the recovery routine is entered it will ensure that the data
  structure cleanup is performed.
  
  Due to a logic error in EYU9XECS, the recovery routine will not
  be driven if the CMAS is cancelled.  This results in data
  structure cleanup not being performed, and as a result
  subsequent ESSS address space initialization attempts will fail
  until the system is IPLed.
  

Problem conclusion

• EYU9XECS has been updated to ensure that its recovery routine is
  driven for all abends, including those resulting from the cancel
  of the CMAS.
  

Temporary fix

•             *********
              * HIPER *
              *********
  FIX AVAILABLE BY PTF ONLY
  

Comments

• ž**** PE10/03/03 FIX IN ERROR. SEE APAR PM09000  FOR DESCRIPTION
  

APAR Information

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

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

  PM06779 UK54408

Modules/Macros

•    EYU9XECS
  

Fix information

• Fixed component name

  CICSTS V3 Z/OS

• Fixed component ID

  5655M1500

Applicable component levels

• R50M PSY UK54408

     UP10/02/18 P F002

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.