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IV82421: MUSENTDD'S RECEIVE PATH HANGS WHEN IT RECEVIES CERTAIN SIZE PKT APPLIES TO AIX 7100-03

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APAR status

  • Closed as program error.

Error description

  • When musentdd driver receives non vlan tag packet of
    size 1515, 1516, 1517 or 1518 bytes, it stops receiving
    packets while transmit still works.
    

Local fix

Problem summary

  • When FC5899 adapter receives non vlan tag packet of
    size 1515, 1516, 1517 or 1518 bytes, it stops receiving
    packets while transmit still works.
    

Problem conclusion

  • Code modified to set the maximum Rx frame size in a Receive
    Producer Buffer Descriptor register to 1536.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IV82421

  • Reported component name

    AIX V7.1

  • Reported component ID

    5765H4000

  • Reported release

    710

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt / Xsystem

  • Submitted date

    2016-03-08

  • Closed date

    2016-03-08

  • Last modified date

    2016-11-09

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

    IV80569

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

Fix information

  • Fixed component name

    AIX V7.1

  • Fixed component ID

    5765H4000

Applicable component levels

  • R710 PSY U869372

       UP16/06/21 I 1000

[{"Business Unit":{"code":"BU058","label":"IBM Infrastructure w\/TPS"},"Product":{"code":"SG11R"},"Platform":[{"code":"PF025","label":"Platform Independent"}],"Version":"710","Line of Business":{"code":"LOB08","label":"Cognitive Systems"}}]

Document Information

Modified date:
19 April 2022