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PI82153: 5C6-00E20045 ABEND ISSUED BY CSQP1CON

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APAR status

  • Closed as program error.

Error description

  • You could received 5C6-00E20045 abend
    issued by CSQP1CON is due to a timing
    condition where the attempt to connect to
    page set 0 and allocate it's buffer pool
    has occurred before the 64-bit subpool task
    (CSQSP64T) has completed initialisation, and
    hence GPVT.P64PHB is still 0 when there is
    an attempt to expand the BDSC (pPHB_BDSC)
    subpool.
    .
    DUMP TITLE
    SSID,ABN=5C6-00E20045,U=SYSOPR,
    LOC=CSQPLPLM.CSQP1CON
    .
    
    Additional Symptom(s) Search Keyword(s):
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED: All users of IBM MQ for z/OS Version 9       *
    *                 Release 0 Modification 0.                    *
    ****************************************************************
    * PROBLEM DESCRIPTION: Abend S5C6-00E20045 in CSQP1CON at      *
    *                      queue manager startup.                  *
    ****************************************************************
    Due to a timing/serialization issue, an S5C6-00E20045 abend may
    occur at queue manager startup due to an internal storage
    control block failing to be initialized before being used by a
    task that is executing asynchronously.
    
    Following the abend, the queue manager may terminate with
    message CSQV086E REASON=00D96001
    

Problem conclusion

  • Processing has been amended to ensure that the storage control
    block is initialized before being referenced by any other tasks.
    

Temporary fix

Comments

APAR Information

  • APAR number

    PI82153

  • Reported component name

    MQ Z/OS V9

  • Reported component ID

    5655MQ900

  • Reported release

    000

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    YesHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2017-05-25

  • Closed date

    2017-06-13

  • Last modified date

    2017-06-13

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

    PI78228

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

    UI48001

Modules/Macros

  • CSQSFACL CSQSP64T
    

Fix information

  • Fixed component name

    MQ Z/OS V9

  • Fixed component ID

    5655MQ900

Applicable component levels

  • R000 PSY

       UP



Document information

More support for: z/OS family

Software version: 9.0

Reference #: PI82153

Modified date: 13 June 2017


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