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IV22998: NCP_CTRL FAILS TO PROCESS SIGCHLDS PROPERLY RESULTING IN KILLING WRONG PROCESSES

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APAR status

  • Closed as program error.

Error description

  • The problem was observed on AIX only
    
    When ncp_ctrl receives SIGCHLD, it fails to process properly
    and tries to stop wrong process.
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:                                              *
    * All ITNM 3.9 users                                           *
    ****************************************************************
    * PROBLEM DESCRIPTION:                                         *
    * When ncp_ctrl receives SIGCHLD, it fails to process properly *
    * and tries to stop wrong process.                             *
    ****************************************************************
    * RECOMMENDATION:                                              *
    * | fix pack | 3.9.0-ITNMIP-FP0002                             *
    * | fix pack | 3.8.0-ITNMIP-FP0007                             *
    ****************************************************************
    

Problem conclusion

  • On AIX the PIDs use 26 bytes and are always even numbers. Code
    has been fixed to resolve the issue.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IV22998

  • Reported component name

    NC/PRECISIONIP

  • Reported component ID

    5724O52RC

  • Reported release

    390

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2012-06-13

  • Closed date

    2012-07-20

  • Last modified date

    2013-04-03

  • 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

    NC/PRECISIONIP

  • Fixed component ID

    5724O52RC

Applicable component levels

  • R390 PSN

       UP

  • R390 PSY

       UP

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Document Information

Modified date:
03 April 2013