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IC93007: DB2 Connect Server might crash if DCS directory is catalogued to use map-file option

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • If the DCS directory is cataloged to use customized mapping file
    with map-file option and the directory cache is invalidated
    while DB2 Connect Server is still running, DB2 Connect gateway
    might crash with the following stack:
    
    2013-05-14-15.52.07.061757+060 I2358547A1860      LEVEL: Severe
    PID     : 9175070              TID  : 6684        PROC : db2sysc
    INSTANCE:             NODE : 000
    APPHDL  : 0-47711
    EDUID   : 6684                 EDUNAME: db2agent ()
    FUNCTION: DB2 UDB, SQO Memory Management,
    sqloDiagnoseFreeBlockFailure, probe:10
    MESSAGE : Possible memory corruption detected.
    DATA #1 : ZRC, PD_TYPE_ZRC, 4 bytes
    0x820F0002
    DATA #2 : Corrupt block address, PD_TYPE_CORRUPT_BLK_PTR, 8
    bytes
    0x09001000a11c4368
    DATA #3 : Block header, PD_TYPE_BLK_HEADER, 24 bytes
    0x09001000A11C4350 : 0900 1000 A147 E308 0900 1000 A147 E320
    .....G.......G.
    0x09001000A11C4360 : 0900 1000 A147 E338
    .....G.8
    DATA #4 : Data header, PD_TYPE_BLK_DATA_HEAD, 48 bytes
    0x09001000A11C4368 : 0000 0000 0000 0000 0000 0000 0000 0000
    ................
    0x09001000A11C4378 : 0000 0000 0000 0000 0000 0000 0000 0000
    ................
    0x09001000A11C4388 : 0000 0000 0000 0000 0000 0000 0000 0000
    ................
    CALLSTCK: (Static functions may not be resolved correctly, as
    they are resolved to the nearest symbol)
      [0] 0x0900000004278B6C pdLog + 0xC0
      [1] 0x0900000006141404
    @78@sqloDiagnoseFreeBlockFailure__FP8SMemFBlkCb + 0x14C
      [2] 0x090000000379B910 sqlofmblkEx + 0x424
      [3] 0x090000000680624C sqljrTerm__FP14db2UCinterfaceb + 0x16C
      [4] 0x09000000066C96D0
    sqljrDissociateTransport__FP14db2UCconHandleP13sqljrDrdaArCbi +
    0x124
      [5] 0x09000000067C68F8
    sqljrDrdaArDisconnect__FP14db2UCinterface + 0x424
      [6] 0x09000000067A9EB0
    sqleuUCagentDrdaArTermConnect__FP14db2UCinterface + 0x7C
      [7] 0x09000000033E4D40
    sqleUCagentConnCleanup__FP8sqeAgentP14db2UCconHandlebT3 + 0xE8
      [8] 0x09000000031E8FA4
    sqleUCagentConnCleanup__FP8sqeAgentP14db2UCconHandlebT3@glue9FB
    + 0x7C
      [9] 0x0900000005DD33FC
    @63@sqljsVerifyAgent__FP8sqeAgentP14db2UCconHandlePb + 0x11B0
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * DB2 Connect                                                  *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See Error Description                                        *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Upgrade to DB2 version 9.7 fixpack 9                         *
    ****************************************************************
    

Problem conclusion

  • Problem was first fixed in DB2 version 9.7 fixpack 9
    

Temporary fix

Comments

APAR Information

  • APAR number

    IC93007

  • 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

    2013-06-12

  • Closed date

    2013-10-02

  • Last modified date

    2013-10-02

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

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

    IC96396 IC96420

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 #: IC93007

Modified date: 02 October 2013