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PI52445: HIGH CPU IN DGOVDS WHICH WAS TRIGGERED BY AN INVALID DATA RETRIEVAL REQUEST

A fix is available

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APAR status

  • Closed as program error.

Error description

  • A dump was taken for high cpu in DGOVDS with title "OMEGAMON XE
    DB2 PERFORMANCE EXPERT HIGH CPU". This high cpu seems
    to be 0C4 abend in DGOVTCPL.
    

Local fix

  • Apply PTF
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED: OMEGAMON XE for DB2 PE/DB2PM                 *
    *                 users of component                           *
    *                 - PE Server subtask                          *
    ****************************************************************
    * PROBLEM DESCRIPTION: While monitoring a DB2 subsystem, the   *
    *                      load module DGOVDS of the monitoring    *
    *                      PE Server subtask enters a tight loop   *
    *                      resulting in high CPU consumption.      *
    *                      Message FPEV0158W is issued.            *
    ****************************************************************
    * RECOMMENDATION: Apply this PTF.                              *
    ****************************************************************
    PROBLEM SUMMARY:
    When the PE Server subtask processes a data retrieval request,
    load module DGOVDS tries to match the request to the requesting
    TCP/IP session. During processing an invalid request a tight
    loop is entered.
    
    PROBLEM CONCLUSION:
    The code has been corrected accordingly to match valid requests
    and skip invalid requests.
    
    KEYWORDS:
    HIGH CPU DGOVDS FPEV0158W
    

Problem conclusion

  • The code has been corrected accordingly to match valid requests
    and skip invalid requests.
    

Temporary fix

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

Comments

APAR Information

  • APAR number

    PI52445

  • Reported component name

    OM XE DB2PE/PM

  • Reported component ID

    5655OPE00

  • Reported release

    511

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2015-11-13

  • Closed date

    2015-12-02

  • Last modified date

    2017-02-01

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

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

    UI33475 UI33476 UI33477

Modules/Macros

  • DGOVDS   DGOVMSTR
    

Fix information

  • Fixed component name

    OM XE DB2PE/PM

  • Fixed component ID

    5655OPE00

Applicable component levels

  • R511 PSY UI33475

       UP15/12/03 P F512

  • R520 PSY UI33476

       UP15/12/03 P F512

  • R530 PSY UI33477

       UP15/12/03 P F512

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:
01 February 2017