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IT24749: DB2 MAY CRASH IN SAL FLIGHT RECORDER CODE

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • Issue happens on PureScale environments. In stress conditions
    member may crash with following stack:
    
    ?unknown + 0x0
    recordEventInternal__26PDComponentEventRecorderExFCUiCUlT1T2PPc
    + 0x54C
    recordEvent__26PDComponentEventRecorderExFCUiCUlT2e + 0x19C
    SAL_ReadAndRegisterMultiple__14SAL_GBP_HANDLEFP12SQLB_GLOBALSP14
    SAL_RAR_PARAMSCUlCPUiT4CUiT3 + 0x3924
    sqleSCAReadMultiple__FP11SQLE_SCA_CBUlP14SAL_RAR_PARAMS + 0x60
    sqlpxSDRecovery__FP8sqeAgentP15SQLXA_CALL_INFO + 0x458
    sqlrr_xrecover__FP14db2UCinterface + 0x27C
    sqljsSyncRecover__FP14db2UCinterface + 0x148
    sqljs_ddm_syncctl__FP14db2UCinterfaceP13sqljDDMObject + 0x3CC
    sqljsParseRdbAccessed__FP13sqljsDrdaAsCbP13sqljDDMObjectP14db2UC
    interface + 0x36C
    sqljsParse__FP13sqljsDrdaAsCbP14db2UCinterfaceP8sqeAgentb +
    0x2264
    IPRA.$sqljsSqlam__FP14db2UCinterfaceP8sqeAgentb + 0xE9C
    sqljsDriveRequests__FP8sqeAgentP14db2UCconHandle + 0xB4
    IPRA.$sqljsDrdaAsInnerDriver__FP18SQLCC_INITSTRUCT_Tb + 0x13E0
    sqljsDrdaAsDriver__FP18SQLCC_INITSTRUCT_T + 0x334
    RunEDU__8sqeAgentFv + 0xB60
    EDUDriver__9sqzEDUObjFv + 0x2E0
    sqloEDUEntry + 0x374
    

Local fix

  • db2set "DB2_SALEVENTS=HF:OFF"
    

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * ALL                                                          *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See Error Description                                        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Upgrade to Db2 11.1 Mod 4 Fixpack 4 or higher                *
    ****************************************************************
    

Problem conclusion

  • First fixed in Db2 11.1 Mod 4 Fixpack 4
    

Temporary fix

Comments

APAR Information

  • APAR number

    IT24749

  • 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

    2018-04-17

  • Closed date

    2018-11-27

  • Last modified date

    2018-11-27

  • 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

  • RB10 PSN

       UP

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

Document Information

Modified date:
27 November 2018