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IV55264: CLCOMD MAY HANG WHILE UNDER HIGH LOAD APPLIES TO AIX 6100-09

A fix is available

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APAR status

  • Closed as program error.

Error description

  • Under specific conditions, clcomd may appear to hang if clcomd
    is under a high load, such as with many simultaneous
    invocations of clcmd, clrsh, or clrcp. Clcomd logs located in
    /var/log/clcomdmay show errors similar to:
    
    logging.c: log_perror: 534: socket: IPv4: Too many open files
    

Local fix

Problem summary

  • ****************************************************************
    * USERS AFFECTED:
    * Systems running the 6100-09 Technology Level with the
    * bos.cluster.rte from 6.1.9.0 to 6.1.9.2
    ****************************************************************
    * PROBLEM DESCRIPTION:
    * Under specific conditions, clcomd may appear to hang if clcomd
    * is under a high load, such as with many simultaneous
    * invocations of clcmd, clrsh, or clrcp. Clcomd logs located in
    * /var/log/clcomdmay show errors similar to:
    * logging.c: log_perror: 534: socket: IPv4: Too many open files
    ****************************************************************
    * RECOMMENDATION:
    * Install APAR IV55264.
    ****************************************************************
    

Problem conclusion

  • Logic was introduced to properly handle internal resources.
    

Temporary fix

Comments

  • 6100-07 - use AIX APAR IV58412
    6100-08 - use AIX APAR IV57934
    6100-09 - use AIX APAR IV55264
    6100-09 - use AIX APAR IV55264
    6100-09 - use AIX APAR IV55264
    7100-01 - use AIX APAR IV57718
    7100-02 - use AIX APAR IV57101
    7100-03 - use AIX APAR IV55278
    7100-04 - use AIX APAR IV55690
    

APAR Information

  • APAR number

    IV55264

  • Reported component name

    AIX 610 STD EDI

  • Reported component ID

    5765G6200

  • Reported release

    610

  • Status

    CLOSED PER

  • PE

    YesPE

  • HIPER

    NoHIPER

  • Submitted date

    2014-02-10

  • Closed date

    2014-02-10

  • Last modified date

    2016-05-10

Fix information

  • Fixed component name

    AIX 610 STD EDI

  • Fixed component ID

    5765G6200

Applicable component levels

  • R610 PSY U856008

       UP14/05/21 I 1000

PTF to Fileset Mapping



Document information

More support for: AIX Standard Edition

Software version: 610

Operating system(s): AIX

Reference #: IV55264

Modified date: 10 May 2016