IBM Support

IV51996: SEA NOT FREEING ENTIRE MBUF PACKET CHAIN WHEN VEA MTU MISSMATCH APPLIES TO AIX 6100-09

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APAR status

  • Closed as program error.

Error description

  • The user's experience will be a memory leak of the 512
    and 2048 network memory sizes.  This can be seen via
    netstat -m.  The inuse column will grow and grow.  Using
    extended netstat will show high inuse counts for mbuf and
    mbufcluster.
    

Local fix

Problem summary

  • Memory leak in SEA, when adapter is not able to transmit
    the SEA fragmented packets.
    vioent is dropping vlan tagged packet size vlan tagged packet
    of size greater than MTU
    

Problem conclusion

  • Correct the code such that  SEA not leaks memory when adapter
    is not able to transmit the SEA fragmented packets.  Correct
    VEA to handle packet size vlan tagged packet of size greater
    than MTU
    

Temporary fix

Comments

  • 6100-07 - use AIX APAR IV58446
    6100-08 - use AIX APAR IV46796
    6100-09 - use AIX APAR IV51996
    6100-09 - use AIX APAR IV51996
    6100-09 - use AIX APAR IV51996
    7100-01 - use AIX APAR IV57551
    7100-02 - use AIX APAR IV57002
    7100-03 - use AIX APAR IV52748
    

APAR Information

  • APAR number

    IV51996

  • Reported component name

    VIRTUAL I/O SER

  • Reported component ID

    5765G3400

  • Reported release

    220

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2013-11-12

  • Closed date

    2013-11-12

  • Last modified date

    2014-08-14

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

    IV46796

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

    U866372

Fix information

  • Fixed component name

    VIRTUAL I/O SER

  • Fixed component ID

    5765G3400

Applicable component levels

  • R220 PSY

       UP



Document information

More support for: PowerVM VIOS Standard Edition

Software version: 220

Operating system(s): AIX

Reference #: IV51996

Modified date: 14 August 2014