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IV56014: ACCESS TO I2C BUS ON THE CARD WILL FAIL APPLIES TO AIX 7100-03

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

  • As the hardware implementation doesn't have a semaphore
    mechanism, concurrent access to the I2C bus may result in
    adapter reset failure, which inturn cause a FW Dump.
    

Local fix

Problem summary

  • As the hardware implementation doesn't have a semaphore
    mechanism, concurrent access to the I2C bus may result in
    adapter reset failure, which inturn cause a FW Dump.
    

Problem conclusion

  • Qlogic introduced a shared RISC-to-RISC semaphore
    to indicate shared I2C accesses are occuring. Before
    resetting the ISP the driver must acquire the shared
    semaphore, within the stipulated time mentioned by the
    Qlogic documentaiton.  This will avoid the access contention
    for I2C Bus.
    

Temporary fix

Comments

  • 6100-07 - use AIX APAR IV58267
    6100-08 - use AIX APAR IV57874
    6100-09 - use AIX APAR IV56010
    6100-09 - use AIX APAR IV56010
    6100-09 - use AIX APAR IV56010
    7100-01 - use AIX APAR IV57569
    7100-02 - use AIX APAR IV57020
    7100-03 - use AIX APAR IV56014
    7100-04 - use AIX APAR IV56077
    

APAR Information

  • APAR number

    IV56014

  • Reported component name

    AIX V7.1

  • Reported component ID

    5765H4000

  • Reported release

    710

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Submitted date

    2014-02-27

  • Closed date

    2014-02-27

  • Last modified date

    2016-05-10

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

    IV56010

  • 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 U859006

       UP14/05/22 I 1000

PTF to Fileset Mapping



Document information

More support for: AIX Enterprise Edition

Software version: 710

Operating system(s): AIX

Reference #: IV56014

Modified date: 10 May 2016