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IC75230: POTENTIAL HANG IN GATEWAY ENVIRONMENT DURING APPLICATION INTERRUPT

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • There is a potential hang in a gateway environment during an
    application interrupt.
    
    The symptom includes the gateway instance agent holding the
    m_appServLatch latch while appearing idle.  However, if the
    agent is in the tcprecv function call, it may be waiting for a
    response from the remote instance.  If something interrupts the
    response, the agent holding the latch may wait indefinitely.
    
    A potential stack for the agent holding the latch:
    tcprecv
    sqlcctcprecv
    sqlccrecv
    sqljcReceive
    sqljrDrdaArInterrupt
    sqleInterruptGatewayAgent
    sqeAgent::InterruptAgent
    sqleInterruptApplication
    sqeAppServices::InterruptAppByIndex
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * Users of gateway instance.                                   *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * See Problem Description above.                               *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * Upgrade to DB2 Version 9.7 Fix Pack 5.                       *
    ****************************************************************
    

Problem conclusion

  • First Fixed in Version 9.7 Fix Pack 5.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IC75230

  • 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

    2011-03-23

  • Closed date

    2011-12-23

  • Last modified date

    2011-12-23

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

    IC74404

  • 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

  • R950 PSN

       UP

  • R970 PSN

       UP



Document information

More support for: DB2 for Linux, UNIX and Windows

Software version: 9.7

Reference #: IC75230

Modified date: 23 December 2011