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LI72604: SIGNAL #11 IN SQLEX_GET_OTHER_GROUP_LIST FUNCTION CAUSES INSTANCE TO CRASH IN CONNECTION CONCENTRATOR ENVIRONMENT

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • If AUTHENTICATION in the database manager configuration is set
    to one of the following:
    
    KERBEROS
    KRB_SERVER_ENCRYPT
    GSSPLUGIN
    GSS_SERVER_ENCRYPT
    
    AND connection concentrator is turned on,
    then there is a small potential to get a signal #11
    instance crash with the following stack trace back:
    
    sqlex_get_other_group_list + 0x0245
    sqlrr_insert_authinfo + 0x038c
    sqlrr_set_authinfo + 0x092a
    sqlra_set_stmt_authid + 0x0232
    sqlragsn + 0x06f1
    sqlrr_sql_request_pre + 0x04c1
    sqlrr_execute + 0x00c7
    
    This APAR will remove the codepath that can result in this
    crash.
    

Local fix

  • change authentication so that it does not use above mentioned
    plugins.
    

Problem summary

  • Users Affected: ALL
    Problem Description:
    SIGNAL #11 IN SQLEX_GET_OTHER_GROUP_LIST FUNCTION CAUSES
    INSTANCE TO CRASH IN CONNECTION CONCENTRATOR ENVIRONMENT
    Problem Summary:
    If AUTHENTICATION in the database manager configuration is set
    to one of the following:
    
    KERBEROS
    KRB_SERVER_ENCRYPT
    GSSPLUGIN
    GSS_SERVER_ENCRYPT
    
    AND connection concentrator is turned on,
    then there is a small potential to get a signal #11
    instance crash with the following stack trace back:
    
    sqlex_get_other_group_list + 0x0245
    sqlrr_insert_authinfo + 0x038c
    sqlrr_set_authinfo + 0x092a
    sqlra_set_stmt_authid + 0x0232
    sqlragsn + 0x06f1
    sqlrr_sql_request_pre + 0x04c1
    sqlrr_execute + 0x00c7
    
    This APAR will remove the codepath that can result in this
    crash.
    

Problem conclusion

  • Problem was first fixed in Version 9 Fix Pak 5
    

Temporary fix

  • change authentication so that it does not use above mentioned
    plugins.
    

Comments

APAR Information

  • APAR number

    LI72604

  • Reported component name

    DB2 UDE ESE LIN

  • Reported component ID

    5765F4104

  • Reported release

    910

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2007-10-18

  • Closed date

    2008-06-27

  • Last modified date

    2008-06-27

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

    LI72603

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

    LI72665

Fix information

  • Fixed component name

    DB2 UDE ESE LIN

  • Fixed component ID

    5765F4104

Applicable component levels

  • R910 PSY

       UP

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Document Information

Modified date:
16 October 2021