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IJ20370: POTENTIAL APPLICATION HANG WITH INTERCEPTED POLL/SELECT APPLIES TO AIX 7200-05

A fix is available

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • Application hang when calling poll/select on a system where the
    restricted "poll_select_intercept" schedo tunable is enabled.
    

Local fix

Problem summary

  • Application hang when calling poll/select on a system where the
    restricted "poll_select_intercept" schedo tunable is enabled.
    

Problem conclusion

  • Recognize an intercepted poll/select call when updating events,
    avoiding an indefinite loop due to a copy failure.
    

Temporary fix

Comments

  • 7200-05 - use AIX APAR IJ20370
    

APAR Information

  • APAR number

    IJ20370

  • Reported component name

    AIX V7.2

  • Reported component ID

    5765CD200

  • Reported release

    720

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2019-10-17

  • Closed date

    2019-10-17

  • Last modified date

    2020-11-16

  • 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

    AIX V7.2

  • Fixed component ID

    5765CD200

Applicable component levels

  • R720 PSY U884088

       UP20/11/04 I 1000

PTF to Fileset Mapping

[{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SSVEF8","label":"AIX 7.2 Enterprise Edition"},"Platform":[{"code":"PF053","label":"Power Systems"}],"Version":"720","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}}]

Document Information

Modified date:
09 March 2021