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PH30234: CSQMMTPR ABEND0C4 DURING QMGR TERMINATION

A fix is available

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APAR status

  • Closed as program error.

Error description

  • CSQMMTPR got abend0c4 and issued a svcdump
    during qmgr termination. The abend0c4 was occurred when
    attempting to acquire latch. Just before the abend0c4, logrec
    shows abend5C6-00E50002.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED: All Users of IBM MQ for z/OS Version 9       *
    *                 Release 0 Modification 0 and Release 1       *
    *                 Modification 0 and Release 2 Modification 0. *
    ****************************************************************
    * PROBLEM DESCRIPTION: An abend 0C4 occurred during QMGR       *
    *                      termination, in CSQMMTPR, when          *
    *                      the scavenger attempted to get a latch  *
    *                      on a mark table, which had already been *
    *                      deleted by the mark table refresh       *
    *                      processing.                             *
    ****************************************************************
    The scavenger task was allowed to run despite the QMGR shutdown
    request. It attempted to obtain a latch on the mark table,
    despite the mark table having already been freed.
    

Problem conclusion

  • CSQMMTPR has been updated to prevent this issue from occurring.
    

Temporary fix

Comments

APAR Information

  • APAR number

    PH30234

  • Reported component name

    IBM MQ Z/OS V9

  • Reported component ID

    5655MQ900

  • Reported release

    000

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2020-10-05

  • Closed date

    2021-03-03

  • Last modified date

    2021-04-01

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

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

    UI74245 UI74246 UI74247

Modules/Macros

  • CSQMMTPR
    

Fix information

  • Fixed component name

    IBM MQ Z/OS V9

  • Fixed component ID

    5655MQ900

Applicable component levels

  • R000 PSY UI74247

       UP21/03/25 P F103

  • R100 PSY UI74246

       UP21/03/25 P F103

  • R200 PSY UI74245

       UP21/03/25 P F103

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.

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Document Information

Modified date:
02 April 2021