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PI75432: ABN=5C6-00F30801 SSSC-CSQAPRHX,M=CSQAPRHX,LOC=CSQ3EPX.CSQAPRHX+0000122A

A fix is available

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APAR status

  • Closed as program error.

Error description

  • DUMP TITLE=
    CSQ1,ABN=5C6-00F30801,U=BATCH,C=R3600.710.SSSC-CSQAPRHX,
    M=CSQAPRHX,LOC=CSQ3EPX.CSQAPRHX+0000122A
    
     The Batch job was in the middle of MQPUT against a queue
    when a S522 abend occurred. The abend hit when CSQIMPU2 had
    invoked CSQP1RSW to release the latch on the BDSC. CSQP1RSW
    had detected that buffer pool 1 was under stress so had
    issued an execution unit switch to issue message CSQP020I.
    As there was an execution unit switch at the time of the
    abend, the deferred recovery bit, EBDR, was set. This meant
    that the recovery processing in CSQP1RSW did not take place,
    so the latch on the BDSC was not released. This resulted in
    the 5C6-00F30801 abend seen here.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED: All users of WebSphere MQ for z/OS Version 7 *
    *                 Release 1 Modification 0.                    *
    ****************************************************************
    * PROBLEM DESCRIPTION: If applications connected to a queue    *
    *                      manager abend, the queue manager can    *
    *                      terminate with REASON=00F30409 or       *
    *                      00F3040A.                               *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    The following is a scenario where the problem occurs when there
    is an asynchronous abend of application (i.e. CANCEL) causing
    the reported queue manager termination with REASON=00F30409 or
    00F3040A.
    
    Application putting messages to a local queue with a buffer pool
    that is too small and message CSQP020E is issued at the time
    when the application abends can cause the queue manager to
    terminate.
    

Problem conclusion

  • CSQVEUS1 has been updated to introduce a delay to give time to
    active threads to complete avoiding deferred recovery which
    allows the recovery clean up exits to be invoked.
    100Y
    CSQVEUS1
    

Temporary fix

  • *********
    * HIPER *
    *********
    

Comments

APAR Information

  • APAR number

    PI75432

  • Reported component name

    WMQ Z/OS V7

  • Reported component ID

    5655R3600

  • Reported release

    100

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    YesHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2017-01-24

  • Closed date

    2017-05-11

  • Last modified date

    2017-07-05

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

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

    UI47175

Modules/Macros

  • CSQVEUS1
    

Fix information

  • Fixed component name

    WMQ Z/OS V7

  • Fixed component ID

    5655R3600

Applicable component levels

  • R100 PSY UI47175

       UP17/06/09 P F706 ¢

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:
05 July 2017