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PI65448: MQ Z/OS V9: ABN=0C4-00000010,LOC=CSQMLPLM.CSQMNCPY+00000xxx

A fix is available

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APAR status

  • Closed as program error.

Error description

  • Ø
    The failing instruction for the ABENDS0C4 PIC10 is 4430 C1E6.
    The problem is that the PSW is in KEY7, but Reg12, which points
    to CSQMNCPY+0 is in KEY0.
    
    The ABEND0C4 occurs in CSQMNCPY when MQOO_RESOLVE_LOCAL_Q/TOPIC
    is specified when opening a topic object. CSQMTOPN locates the
    address of the name of the topic object, which is in 64-bit
    storage, but it only passes a 31-bit address (i.e. low word) to
    CSQMNCPY for copying the name of the object back to the MQOD.
    
    Additional Symptom(s) Search Keyword(s):
    ABEND5C6 5C6 00E7014F in CSQXADPM may be a secondary symptom
    after the ABEND0C4.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * All users of IBM MQ for z/OS Version 9 Release 0             *
    * Modification 0.                                              *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * MQOPEN with option MQOO_RESOLVE_LOCAL_Q or                   *
    * MQOO_RESOLVE_LOCAL_TOPIC of a TOPIC or a QALIAS with a       *
    * TARGTYPE(TOPIC) returns invalid data in MQOD.ResolvedQName   *
    * field.                                                       *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * N/A                                                          *
    ****************************************************************
    When CSQMTOPN is processing MQOPEN with MQOO_RESOLVE_LOCAL_Q or
    MQOO_RESOLVE_LOCAL_TOPIC option,
    it passes only half of the 64bit address of the source field
    containing the name of the administrative topic object, to be
    copied to MQOD.ResolvedQName by routine CSQMNCPY.
    This results in incorrect data in the target ResolveQName field,
    or an 0C4 abend is generated if the source address points to
    storage that cannot be accessed.
    

Problem conclusion

  • Unnecessary code that calls CSQMNCPY has been removed from
    CSQMTOPN and CSQMOPNI has been changed to return the correct
    value in MQOD.ResolvedQName.
    

Temporary fix

Comments

APAR Information

  • APAR number

    PI65448

  • Reported component name

    MQ Z/OS V9

  • Reported component ID

    5655MQ900

  • Reported release

    000

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2016-07-06

  • Closed date

    2016-08-15

  • Last modified date

    2016-10-03

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

    PI62001

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

    UI40091

Modules/Macros

  • CSQMOPNI CSQMTOPN
    

Fix information

  • Fixed component name

    MQ Z/OS V9

  • Fixed component ID

    5655MQ900

Applicable component levels

  • R000 PSY UI40091

       UP16/09/20 P F609

Fix is available

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Document Information

Modified date:
03 October 2016