PM79540: ABEND04E RC00E2000C IN DSNSVSVB OFFSET 0AC2.

A fix is available

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APAR status

  • Closed as program error.

Error description

  • DB2DDF DB2LOB defect pm79540 dpm79540
    There is Abend04e Rc00e2000c in DSNSVSVB Offset0AC2 when using
    DRDA Encryption because module of DFSLCMSL request a 964M (
    x'3C449808') encryption buffer.
    ************************************************************
    Additional Symptoms and Keywords:
     ABEND04E AB04E S004E 04E
      04E-00E2000C 00E2000C RC00E2000C
       DSNLCMSL.DSNSVSVB+0AC2 DSNLCMSL DSNSVSVB +0AC2 Offset0AC2
       CMGR64 BUFFER POOL
      04E-00D31014 00D31014 RC00D31014
       DSNLIRCA DSNLIRCA:0001 0001 VRADC0001 ABNDID0001
    

Local fix

  • Disable data encryption at the remote requester environment.
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED: All Distributed Data Facility (DDF) users.   *
    *                 Specifically those using LOBs or XML and     *
    *                 DRDA encryption is enabled.                  *
    ****************************************************************
    * PROBLEM DESCRIPTION: ABND=04E-00E2000C                       *
    *                      LOC=DSNLCMSL.DSNSVSVB+0AC2              *
    ****************************************************************
    * RECOMMENDATION:                                              *
    ****************************************************************
    DB2 server LOB processing incorrectly over allocated storage
    for a LOB when the remote requester requires DRDA encryption
    of the data.  The reported abend occurred when an attempt was
    made to allocate encryption buffers since the pool already
    reached its limit.  The pool may also have become highly
    fragmented due to requests to enlarge message buffers where a
    storage area of the larger requested size was not available.
    

Problem conclusion

  • DB2 server LOB processing has been changed to allocate the
    right amount of storage to hold a LOB based on its length,
    when using DRDA encryption.
    DB2 server processing will also periodically request the
    contraction of the storage pool used to obtain the storage for
    message buffers so that the impact of storage fragmentation
    will be minimized.
    

Temporary fix

Comments

  • ž**** PE13/05/20 FIX IN ERROR. SEE APAR PM89367  FOR DESCRIPTION
    

APAR Information

  • APAR number

    PM79540

  • Reported component name

    DB2 OS/390 & Z/

  • Reported component ID

    5740XYR00

  • Reported release

    A10

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2012-12-20

  • Closed date

    2013-04-26

  • Last modified date

    2013-07-12

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

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

    UK93835

Modules/Macros

  •    DSNLCBFM DSNLCMSL DSNLIINI
    

Fix information

  • Fixed component name

    DB2 OS/390 & Z/

  • Fixed component ID

    5740XYR00

Applicable component levels

  • RA10 PSY UK93835

       UP13/05/05 P F305

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


More support for:

DB2 for z/OS

Software version:

A10

Reference #:

PM79540

Modified date:

2013-07-12

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