PM86119: DISPLAY CFSTATUS RETURNS STATUS(UNKNOWN) DUE TO ABEND ABEND 0C4-00000004 IN IXLA1MG

Obtain the fix for this APAR.

APAR status

• Closed as program error.

Error description

• The customer noticed that whenever they use the
  'DISPLAY CFSTATUS' command, there is an S0C4 abend in
  IXLA1MG shown in LOGREC, and the command returns
  STATUS(UNKNOWN).
  .
  Example:
  .
  CFSTATUS(CICS)
  TYPE(SUMMARY)
  CFTYPE(APPL)
  STATUS(UNKNOWN)
  OFFLDUSE( )
  SIZEMAX(0)
  SIZEUSED(0)
  ENTSMAX(0)
  ENTSUSED(0)
  FAILTIME( )
  FAILDATE( )
  .
  The result from the dump under IPCS: ip status command
  .
  SYMPTOM             DESCRIPTION
  -------             -----------
  PIDS/5752SCIXL      PROGRAM ID: 5752SCIXL
  RIDS/IEANUC01#L     LOAD MODULE NAME: IEANUC01
  RIDS/IXLA1MG        CSECT NAME: IXLA1MG
  AB/S00C4            SYSTEM ABEND CODE: 00C4
  PRCS/00000004       ABEND REASON CODE: 00000004
  REGS/C027E          REGISTER/PSW DIFFERENCE FOR R0C:-027E
  RIDS/IXLM1REC#R     RECOVERY ROUTINE CSECT NAME: IXLM1REC
  .
  In the systrace, there is the following:
  .
  00760E88 PR     ...   0      01582BB4 7F6087BA
                          IXLA9MG + x'7BC' in NUCLEUS
  00760E88 SSRV 78      81582C22  0000F504 00001000 14BA5000
            GETMAIN/FREEMAIN    IXLA9MG + x'82A' in NUCLEUS
                                      00010000
  00760E88 PGM   04 00000000_01585A1A  00060004 00000000
                          IXLA9MG + x'3622' in NUCLEUS
                   04047000 80000000           5850B409
  00760E88 *RCVY  PROG           940C4000 00000004 00000000
  .
  Additional keywords:
  ZOS0201T/K ZOS0202T/K
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED: All users of WebSphere MQ for z/OS Version 7 *
  *                 Release 0 Modification 1 and Release 1       *
  *                 Modification 0 using queue-sharing groups.   *
  *                                                              *
  ****************************************************************
  * PROBLEM DESCRIPTION: When a queue manager that is a member   *
  *                      of a queue-sharing group at z/OS 2.1    *
  *                      the DISPLAY CFSTATUS command            *
  *                      unexpectedly gives STATUS(UNKNOWN) or   *
  *                      NO CFSTATUS FOUND MATCHING REQUEST      *
  *                      CRITERIA. The logrec shows an 0C4 in    *
  *                      IXLA1MG at the time the command is      *
  *                      issued.                                 *
  ****************************************************************
  * RECOMMENDATION:                                              *
  ****************************************************************
  CSQMDSC1 processes the DISPLAY CFSTATUS and issues an IXLMG
  STRNAME request to retrieve information about the specified CF
  structure. CSQMDSC1 passes the address of a storage area for the
  response in the DATAAREA parameter. This storage area is
  obtained in a different key to the key CSQMDSC1 is running in.
  IXLA1MG issues a MVCDK to set to the key of CSQMDSC1 when trying
  to move to this storage area, hence an 0C4 occurs. IXLA1MG
  handles the abend and the IXLMG returns with IXLRSNCODEBADAREA,
  which results in the DISPLAY CFSTATUS giving STATUS(UNKNOWN)
  or NO CFSTATUS FOUND MATCHING REQUEST CRITERIA.
  
  z/OS 2.1 fixed a defect where it was specifying the key
  incorrectly on an MVCDK instruction rather than the caller's
  key.  Following that fix the call to macro IXLMG needs to be in
  the same key as the storage area passed in the DATAAREA
  parameter.
  

Problem conclusion

• The code has been changed to call IXLMG in the appropriate key.
  010Y
  100Y
  CSQMDSC1
  

Temporary fix

Comments

APAR Information

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

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

  UK94338 UK94339

Modules/Macros

• CSQMDSC1
  

Fix information

• Fixed component name

  WMQ Z/OS V7

• Fixed component ID

  5655R3600

Applicable component levels

• R010 PSY UK94338

     UP13/06/14 P F306

• R100 PSY UK94339

     UP13/06/14 P F306

Fix is available

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