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IV24569: ASSERT IN IOCP_INSQUEUE APPLIES TO AIX 6100-07

A fix is available

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APAR status

  • Closed as program error.

Error description

  • This problem only happens with applications using IOCP.
    It has primarily been seen with Lotus Domino Server.
    .
    In certain timing, when the application is sending data
    and the server abruptly closes the connection, the system
    can crash.
    .
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:
    * Users of IOCP running the 6100-07 Technology Level with the
    * bos.iocp.rte fileset at the 6.1.7.15 or 6.1.7.16 level.
    ****************************************************************
    * PROBLEM DESCRIPTION:
    * In certain timing, when the application is sending data
    * and the server abruptly closes the connection, the system
    * can crash.
    *
    * This problem only happens with applications using IOCP.
    * It has primarily been seen with Lotus Domino Server.
    * The system crashes with the following stack:
    *
    *  F1000000C0277534 iocp.ext:iocp_insque+000014
    * (F1000E000577D0E0, F1000000C0280A08  ?? )
    *  F1000000C0275470 iocp.ext:iocp_process_pending_io+000270
    *  F1000000C0277C70 iocp.ext:iocp_isr+000070 ()
    *  00014D70 .hkey_legacy_gate+00004C ()
    *  004A11B8 Netintr+0002F8 ()
    *  004A0E80 netisr_thread+000020 ()
    *  00255654 threadentry+000094 (??, ??, ??, ??)
    ****************************************************************
    * RECOMMENDATION:
    * Install APAR IV24569.
    * Prior to APAR availability, an interim can be obtained from:
    * ftp://public.dhe.ibm.com/aix/ifixes/iv24569/
    ****************************************************************
    

Problem conclusion

  • Added a check in the IOCP code to avoid the assert.
    

Temporary fix

  • *********
    * HIPER *
    *********
    

Comments

APAR Information

  • APAR number

    IV24569

  • Reported component name

    AIX 610 STD EDI

  • Reported component ID

    5765G6200

  • Reported release

    610

  • Status

    CLOSED PER

  • PE

    YesPE

  • HIPER

    YesHIPER

  • Submitted date

    2012-07-10

  • Closed date

    2012-09-26

  • Last modified date

    2013-11-23

Fix information

  • Fixed component name

    AIX 610 STD EDI

  • Fixed component ID

    5765G6200

Applicable component levels

  • R610 PSY U854421

       UP12/12/06 I 1000 ®

PTF to Fileset Mapping

[{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SSMV87","label":"AIX 6.1 Enterprise Edition"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"610","Edition":"","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}},{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSMVAX","label":"AIX Express Edition"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"610","Edition":"","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}},{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SSAUMY","label":"IBM AIX Enterprise Edition"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"610","Edition":"","Line of Business":{"code":"","label":""}},{"Business Unit":{"code":"BU054","label":"Systems w\/TPS"},"Product":{"code":"SG11Q","label":"AIX 6.1 HIPERS, APARs and Fixes"},"Component":"","ARM Category":[],"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"610","Edition":"","Line of Business":{"code":"","label":""}}]

Document Information

Modified date:
23 November 2013