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IV63123: LNCENTDD UNUSED PORTS LOGS LNCENT_PLINK_DOWN AFTER "NETSTAT -V" APPLIES TO AIX 7100-02

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

  • Running "netstat -v" or "entstat -d <adapter>" on unused
    ports results in
    these errors:
    
    IDENTIFIER TIMESTAMP  T C RESOURCE_NAME  DESCRIPTION
    DD2E9242   0410145714 T H ent1           Physical link
    down
    
    ---------------------------------------------------------
    ------------------
    LABEL:          LNCENT_PLINK_DOWN
    IDENTIFIER:     DD2E9242
    
    Date/Time:       Thu Apr 10 14:57:38 CDT 2014
    Sequence Number: 30
    Machine Id:      <machine id>
    Node Id:
    Class:           H
    Type:            TEMP
    WPAR:            Global
    Resource Name:   ent1
    Resource Class:  adapter
    Resource Type:   df1020e23804000
    Location:        U78C5.001.DQD047A-P2-C8-T2
    
    VPD:
          Ethernet Adapter:
            Network Address.............AAAABBBBCCCC
            ROM Level.(alterable).......1.1.34.5
    
    Description
    Physical link down
    
    
            Recommended Actions
            PERFORM PROBLEM DETERMINATION PROCEDURES
    
    Detail Data
    FILE NAME
    line: 423 file: entcore_link.c
    MAC ADDRESS
    AAAA BBBB CCCC
    DEVICE DRIVER INTERNAL STATE
    0000 0000 2000 0000 0000 0000 0000 0001 0000 0000 0000
    0000
    PCI ETHERNET STATISTICS
    0061 0852 0000 0000 0000 0000 0000 0000 0000 0000 0000
    0000 0000 0000 0000 0000
    0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
    0000 0000 0000 0000 0000
    0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
    0000 0000 0000 0000 0000
    0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
    0000 0000 0000 0000 0000
    0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
    0000 0000 0000 0000 0000
    0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
    0000 0000 0000 0000 0000
    0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
    0000 0000 0000 0000 0000
    0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
    0000 0000 0000 0000 0000
    TRACE RECORD SEQUENCE NUMBER
    e:0 l:423 f:entcore_link_change r:0x0 s:0 o:0
    NUMBER OF BYTES
    
    
    SENSE DATA
    

Local fix

  • Connect all ports to a switch. Only unplugged ports will
    show the error.
    

Problem summary

  • Running "netstat -v" or "entstat -d <adapter>" on unused
    ports results in
    these errors:
    
    IDENTIFIER TIMESTAMP  T C RESOURCE_NAME  DESCRIPTION
    DD2E9242   0410145714 T H ent1           Physical link down
    
    ---------------------------------------------------------
    ------------------
    LABEL:          LNCENT_PLINK_DOWN
    IDENTIFIER:     DD2E9242
    
    Date/Time:       Thu Apr 10 14:57:38 CDT 2014
    Sequence Number: 30
    Machine Id:      <machine id>
    Node Id:
    Class:           H
    Type:            TEMP
    WPAR:            Global
    Resource Name:   ent1
    Resource Class:  adapter
    Resource Type:   df1020e23804000
    Location:        U78C5.001.DQD047A-P2-C8-T2
    
    VPD:
          Ethernet Adapter:
            Network Address.............AAAABBBBCCCC
            ROM Level.(alterable).......1.1.34.5
    
    Description
    Physical link down
    
    
            Recommended Actions
            PERFORM PROBLEM DETERMINATION PROCEDURES
    
    Detail Data
    FILE NAME
    line: 423 file: entcore_link.c
    MAC ADDRESS
    AAAA BBBB CCCC
    DEVICE DRIVER INTERNAL STATE
    0000 0000 2000 0000 0000 0000 0000 0001 0000 0000 0000
    0000
    PCI ETHERNET STATISTICS
    0061 0852 0000 0000 0000 0000 0000 0000 0000 0000 0000
    0000 0000 0000 0000 0000
    0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
    0000 0000 0000 0000 0000
    0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
    0000 0000 0000 0000 0000
    0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
    0000 0000 0000 0000 0000
    0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
    0000 0000 0000 0000 0000
    0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
    0000 0000 0000 0000 0000
    0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
    0000 0000 0000 0000 0000
    0000 0000 0000 0000 0000 0000 0000 0000 0000 0000 0000
    0000 0000 0000 0000 0000
    TRACE RECORD SEQUENCE NUMBER
    e:0 l:423 f:entcore_link_change r:0x0 s:0 o:0
    NUMBER OF BYTES
    
    
    SENSE DATA
    

Problem conclusion

  • Modify the code so that the state transition from UNKNOWN
    to DOWN is not logged.
    .
    NOTE: This problem is actually resolved by APAR IV69905 in
    7100-04-00
    

Temporary fix

Comments

  • 6100-08 - use AIX APAR IV62033
    6100-09 - use AIX APAR IV61018
    7100-02 - use AIX APAR IV63123
    7100-03 - use AIX APAR IV62390
    

APAR Information

  • APAR number

    IV63123

  • Reported component name

    AIX V7.1

  • Reported component ID

    5765H4000

  • Reported release

    710

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2014-07-31

  • Closed date

    2014-08-16

  • Last modified date

    2015-10-13

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

    IV61018

  • 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 U867215

       UP15/01/19 I 1000

PTF to Fileset Mapping



Document information

More support for: AIX Enterprise Edition

Software version: 710

Operating system(s): AIX

Reference #: IV63123

Modified date: 13 October 2015