IBM Support

IT32123: BSU HEAP ALLOCATION IS NOT RELEASED AFTER A MISCONFIGURED SSL CONNECTION TERMINATES

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APAR status

  • Closed as program error.

Error description

  • BSU heap allocation is not released after a misconfigured SSL
    connection terminates
    
    db2diag shows the following error for the connection failures:
    EDUID   : 88412                EDUNAME: db2agent () 0
    FUNCTION: DB2 UDB, common communication,
    sqlccMapSSLErrorToDB2Error, probe:30
    MESSAGE : DIA3604E The SSL function "gsk_secure_soc_init" failed
    with the
              return code "410" in "sqlccSSLSocketSetup".
    
    Monitor memory pool via db2pd,  you can observe more BSU heap
    allocated over the time, e.g.
    
    TIMESTAMP        TYPE MEMORY_POOL_USED_KB
    2020-02-19-21.45.40.686362 BSU  29184
    2020-02-20-00.00.44.480557 BSU  65792
    2020-02-20-01.00.46.142825 BSU  82176
    2020-02-20-02.00.48.330659 BSU  98304
    2020-02-20-03.03.49.996633 BSU 107264
    

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

    IT32123

  • 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

    2020-03-10

  • 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