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IC93990: POSSIBLE SEGV (CRASH/TRAP) IN SQLDROWFETCH() WHEN SQL IS USING PBT(Parameterized Base Table) ACCESS IN A NESTED LOOP JOIN

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • It is possible for a SQL statement to generate a segv in
    sqldRowFetch() while executing
    a join using PBT access. The top of the stack would show the
    following functions:
    
      0x090000000756256C sqldRowFetch
      0x0900000007577A7C sqlriFetch
      0x0900000007A767BC sqlriNljnNonPiped
    
    This problem would not happen in v9.8 and v10.1.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * All Users                                                    *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See Error Description                                        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Upgrade on DB2 V97FP9 and higher version.                    *
    ****************************************************************
    

Problem conclusion

  • Fixed on DB2 V97FP9 and higher version.
    

Temporary fix

  • N/A
    

Comments

APAR Information

  • APAR number

    IC93990

  • Reported component name

    DB2 FOR LUW

  • Reported component ID

    DB2FORLUW

  • Reported release

    970

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2013-07-09

  • Closed date

    2013-12-30

  • Last modified date

    2013-12-30

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

    IC93373

  • 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

  • R970 PSN

       UP



Document information

More support for: DB2 for Linux, UNIX and Windows

Software version: 9.7

Reference #: IC93990

Modified date: 30 December 2013