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IV89525: POST THE DMA_ERR FAILURES TYPES AS INFO INSTEAD OF UNKN APPLIES TO AIX 7100-03

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APAR status

  • Closed as program error.

Error description

  • Currently, the DMA_ERR error log is posted as Type
    "UNKN".
    

Local fix

Problem summary

  • The DMA_ERR added to setup tce, when the adapter device driver
    requesting more DMA space than is available, the common
    recovery for this is to decrease the size of the DMA request
    and try again.  During this failure , we are logging error with
    error type UNKN.  This couldn't tell if the DMA_ERR failure is
    a real issue or a temporary DMA mapping operation on a transmit
    packet message.  This will not provide enough information to
    determine the severity of the error.
    

Problem conclusion

  • Changing error type from "unknown" to "informational"
    

Temporary fix

Comments

APAR Information

  • APAR number

    IV89525

  • 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

    2016-09-28

  • Closed date

    2016-09-28

  • Last modified date

    2017-02-08

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

    IV83745

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

    U876074

Fix information

  • Fixed component name

    AIX V7.1

  • Fixed component ID

    5765H4000

Applicable component levels

  • R710 PSY U876074

       UP17/02/08 I 1000

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Document Information

Modified date:
20 April 2022