PI44698: SHUTDOWN IMMEDIATE RESULTS IN SYSTEM COMPLETION CODE=0C1 REASON CODE=00000001

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• During Shutdown Immediate the Region comes down with the
  following:
  .
  IEA995I SYMPTOM DUMP OUTPUT 176
  SYSTEM COMPLETION CODE=0C1  REASON
  CODE=00000001
  .
  Go to failing TCB in SUMM REGS
  .
  PSW and BEAR and Regs at time of branch-to-low-core abend0C4.
  (this is from one of the RTM2WAs uner the TCB in SUMM FORMAT:
  .
     +06D0  BEA...... 00000000  22429464
     +06D8  PSW16.... 07850000  80000000  00000000  00000002
     +06F4  CLSE..... 00000000  RSV...... 00000000  00000000
  .
                                RTM2WA SUMMARY
                                --------------
  +001C  Completion code                    840C1000
  +008C  Abending program name/SVRB address 00000000 00000000
  +0094  Abending program addr              00000000
  .
         GPRs at time of error
       0-3  00000000  00000000  00000000  00000000
       4-7  00000000  00000000  00000000  00000000
       8-11 00000000  00000000  00000000  00000000
      12-15 00000000  444EADF8  00000000  00000000
  .
  +06D8  PSW at time of error: 07850000 80000000 00000000 00000002
  +0084  Instruction Length Code: 0002  Interruption Code: 0001
  +06C8  Translation Exception Identification: 00000000 7F291400
  .
  The TCB termination logic in DFHKETCB got changed.  This
  problem is exposed on the customer system because they are using
  a non-default Language Environment Run-Time Option.  The IPT
  TCB for the SSL environment is at X'009A9A9A'.
  .
  Verbx ledata 'tcb(009A9A9A),all' shows the following option :-
  .
  PARMLIB(CEEPRM00)       OVR        STORAGE(00,00,00,0000000000)
  .
  The default for this option (and the LE recommended value) is :-
  .
  STORAGE(NONE,NONE,NONE,0000000000)
  .
  The second 0 in the STORAGE option causes de-allocated heap
  storage to be cleared. So when CICS returns from LINKETCB for a
  second time, the savearea is all zeroes and this results in a
  branch to lowcore.
  Additional Symptom(s) Search Keyword(s): KIXREVDAM
  ABENDS0c1 ABEND0C1 Abend 0c1
  

Local fix

• Set the LE Runtime STORAGE parameter to:
  STORAGE(NONE,NONE,NONE,0000000000)   (The recommended Default)
  

Problem summary

• ****************************************************************
  * USERS AFFECTED: All CICS users.                              *
  ****************************************************************
  * PROBLEM DESCRIPTION: 0C1 occurs during SHUTDOWN IMMEDIATE.   *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  An immediate shutdown is performed of a CICS system that has SSL
  active, and the z/OS environment has been configured with
  Language Environment runtime options that specify a
  heap_free_value other than NONE.
  As part of the immediate shutdown S8 TCBs are detached from
  their mother TCB and abend 33E, which causes recovery routines
  to be executed.  DFHLEPT is driven twice, and on the second
  execution accesses a freed savearea that has been cleared
  because of the LE runtime options.  This leads to an 0C1 abend.
  Additional keywords: abends0C1 S0C1 abend33E
  

Problem conclusion

• The DFHKEMT macro has been modified so that when terminating an
  S8 TCB in the scenario described above, an SVC 3 exit is
  performed which prevents DFHLEPT from being executed for a
  second time.
  

Temporary fix

• FIX AVAILABLE BY PTF ONLY
  

Comments

APAR Information

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

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

  UI31710 UI31711

Modules/Macros

• DFHKEDD  DFHKEDS  DFHKEIN  DFHKESTX DFHKETA  DFHKETCB
  

Fix information

• Fixed component name

  CICS TS Z/OS V5

• Fixed component ID

  5655Y0400

Applicable component levels

• R800 PSY UI31710

     UP15/10/08 P F510

• R900 PSY UI31711

     UP15/10/08 P F510

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.