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IJ37827: EXCLUSIVE POLLERS BLOCKED FROM RECEIVING NOTIFICATION

 

APAR status

  • Closed as program error.

Error description

  • Processes requesting exclusive notification (POLLEXCL) can
    encounter a blocking behavior during a device queue saturation
    scenario.
    

Local fix

Problem summary

  • Processes requesting exclusive notification (POLLEXCL) can
    encounter a blocking behavior during a device queue saturation
    scenario.
    

Problem conclusion

  • Update the pending notification tracking in message queue,
    socket, and FIFO device implementations to account for
    exclusive pollers.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IJ37827

  • Reported component name

    AIX V7.3

  • Reported component ID

    5765CD300

  • Reported release

    730

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2022-02-14

  • Closed date

    2022-02-14

  • Last modified date

    2022-04-29

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

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

    IJ37828

Fix information

  • Fixed component name

    AIX V7.3

  • Fixed component ID

    5765CD300

Applicable component levels

  • R730 PSY U890632

       UP22/04/29 I 1000

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Document Information

Modified date:
30 April 2022