IBM Support

IV67256: IF_IB:MULTICAST JOIN TAKES MORE THAN 2 SECONDS APPLIES TO AIX 7100-03

A fix is available

Subscribe

You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • Multicast join takes long time, and some applications
    cannot join the multicast group with ENOBUFS or EAGAIN
    if multiple applications try to join the same multicast
    group
    at the same time.
    

Local fix

  • Avoid the situation when the multiple processes join the
    same multicast group at the same time.
    

Problem summary

  • Multicast join takes long time, and some applications
    cannot join the multicast group with ENOBUFS or EAGAIN
    if multiple applications try to join the same multicast
    group at the same time.
    

Problem conclusion

  • Reduce the granularity of the delay.
    

Temporary fix

Comments

  • 6100-08 - use AIX APAR IV70457
    6100-09 - use AIX APAR IV70367
    7100-02 - use AIX APAR IV70466
    7100-03 - use AIX APAR IV67256
    

APAR Information

  • APAR number

    IV67256

  • Reported component name

    AIX V7.1

  • Reported component ID

    5765H4000

  • Reported release

    710

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2014-11-25

  • Closed date

    2015-02-27

  • Last modified date

    2015-09-30

Fix information

  • Fixed component name

    AIX V7.1

  • Fixed component ID

    5765H4000

Applicable component levels

  • R710 PSY U865820

       UP15/05/19 I 1000

PTF to Fileset Mapping



Document information

More support for: AIX Enterprise Edition

Software version: 710

Operating system(s): AIX

Reference #: IV67256

Modified date: 30 September 2015