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IJ34418: NETWORK CONNECTIVITY LOST WHEN RX DESCRIPTOR ERRORS DETECTED.

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

  • Upper layers in AIX network stack will see Rx packets with
    incorrect lengths and discard them, causing applications like
    ping, scp, telnet, ssh, etc to fail.
    
    Affected ethernet ports will have a non-zero value for this
    entstat counter: "Receive Errors".
    

Local fix

Problem summary

  • Upper layers in AIX network stack will see Rx packets with
    incorrect lengths and discard them, causing applications like
    ping, scp, telnet, ssh, etc to fail.
    
    Affected ethernet ports will have a non-zero value for this
    entstat counter: "Receive Errors".
    

Problem conclusion

  • Clear error bits in receive descriptor before recycling.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IJ34418

  • Reported component name

    AIX V7.2

  • Reported component ID

    5765CD200

  • Reported release

    720

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2021-08-12

  • Closed date

    2021-08-12

  • Last modified date

    2022-02-08

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

    IJ31562

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

    U891471

Fix information

  • Fixed component name

    AIX V7.2

  • Fixed component ID

    5765CD200

Applicable component levels

  • R720 PSY U891471

       UP22/02/08 I 1000

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

Document Information

Modified date:
09 February 2022