IBM Support

PI20406: ABN=5C6-00E2000B,U=XXXXX,C=R3600.710.CFM -CSQELBK1, M=CSQGFRCV,LOC=CSQSLD1 .CSQSFBK +00000DDA

A fix is available

Subscribe

You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • ABN=5C6-00E2000B,U=xxxxx,C=R3600.710.CFM -CSQELBK1,
    M=CSQGFRCV,LOC=CSQSLD1 .CSQSFBK +00000DDA
    .
    Symptom         Description
    -------         -----------
    PIDS/5655R3600  Program id: 5655R3600
    RIDS/CSQSLD1#L  Load module name: CSQSLD1
    RIDS/CSQSFBK    Csect name: CSQSFBK
    AB/S05C6        System abend code: 05C6
    PRCS/00E2000B   Abend reason code: 00E2000B
    REGS/0E7CE      Register/PSW difference for R0E: 7CE
    REGS/09DA4      Register/PSW difference for R09: DA4
    RIDS/CSQGFRCV#R Recovery routine csect name: CSQGFRCV
    .
    Date Assembled:          20111013
    Module Level:            12.17GA
    Subfunction:             CFM  CSQELBK1BACKUP
    .
    .
    The 5C6-00E2000B is occurring trying to initialise
    the IANC_2.pBLOBbuffer storage pool, during which
    there is an attempt to obtain a 63M storage area.
    However, as there is no contiguous area of this size
    available, the 5C6-00E2000B abend occurs.
    In the customer's case the CF structures are all at a
    CFLEVEL less than 4, so there is really no need for the
    IANC_2.pBLOBbuffer storage pool.
    .
    Additional Symptom(s) Search Keyword(s):
    BLOB pBLOBbuffer 63M "Backup CFS" pool
    63M comes from Subpool 229 Key 7 -- SP229 KEY7
    

Local fix

  • Do the BACKUP CFSTRUCT on a less-busy member of the QSG
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED: All users of WebSphere MQ for z/OS Version 7 *
    *                 Release 1 Modification 0.                    *
    ****************************************************************
    * PROBLEM DESCRIPTION: BACKUP CFSTRUCT abends 5C6-00E2000B in  *
    *                      CSQELBK1 followed by queue manager      *
    *                      abend S6C6-00C510AB.                    *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    When BACKUP CFSTRUCT is issued CSQELBK1 acquires 63M of storage
    in order to perform logging of DB2 messages (blobs). This is
    done regardless of whether there are actually any DB2 blobs to
    be logged. If there is an insufficient amount of contiguous
    storage available then an abend occurs and the queue manager
    terminates.
    

Problem conclusion

  • CSQELBK1 has been changed so that it only attempts to
    acquire the storage if it is actually needed.
    100Y
    CSQELBK1
    

Temporary fix

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

Comments

APAR Information

  • APAR number

    PI20406

  • 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

    2014-06-19

  • Closed date

    2014-08-08

  • Last modified date

    2014-10-20

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

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

    UI20352 PI28007

Modules/Macros

  • CSQELBK1
    

Fix information

  • Fixed component name

    WMQ Z/OS V7

  • Fixed component ID

    5655R3600

Applicable component levels

  • R100 PSY UI20352

       UP14/08/30 P F408 ¢

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.

[{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SG19M","label":"APARs - z\/OS environment"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"7.1","Edition":"","Line of Business":{"code":"","label":""}}]

Document Information

Modified date:
20 October 2014