IBM Support

IT31896: APPLICATION TRAPS IN MON_GET_PKG_CACHE_STMT CAUSING DB2 TO CRASH

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APAR status

  • Closed as program error.

Error description

  • Db2 crashes with FODC_Trap_xxxx being generated.
    
    Stack shows:
    Simplified stack ( See 3584.4648.trap.txt for full detail )
    
    offset: 000000000000017C in <OSSTickDelta::convertToTime>
    offset: 00000000000001E5 in
    <sqmRequestMetrics::formatMetricsColumn>
    offset: 000000000000087A in <monFormatPkgCacheStmtMetrics>
    
    Issue occurs because of the large package cache being used,
    which is exposing a bug in sqloMemBlockReallocate.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * all                                                          *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See Error Description                                        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Upgrade to Db2 11.1.4.6 or higher                            *
    ****************************************************************
    

Problem conclusion

  • Upgrade to Db2 11.1.4.6 or higher
    

Temporary fix

Comments

APAR Information

  • APAR number

    IT31896

  • Reported component name

    DB2 FOR LUW

  • Reported component ID

    DB2FORLUW

  • Reported release

    B10

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2020-02-18

  • Closed date

    2021-03-31

  • Last modified date

    2021-03-31

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

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

Fix information

  • Fixed component name

    DB2 FOR LUW

  • Fixed component ID

    DB2FORLUW

Applicable component levels

[{"Line of Business":{"code":"LOB10","label":"Data and AI"},"Business Unit":{"code":"BU053","label":"Cloud & Data Platform"},"Product":{"code":"SSEPGG","label":"Db2 for Linux, UNIX and Windows"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"11.1"}]

Document Information

Modified date:
01 April 2021