IBM Support

IV42015: FLOAT/DOUBLE VALUE INCORRECTLY OVERWRITTEN ACROSS JNI CALL

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APAR status

  • Closed as program error.

Error description

  • Error Message: N/A
    .
    Stack Trace: N/A
    .
    

Local fix

  • This issue can be worked around with the JVM option
    -Xjit:disableHighWordRA,diableHighWordGRA.
    

Problem summary

  • A float or double value is incorrectly kept in a floating point
    register used by a Java Native Interface call.  As a result, the
    original float/double value is lost across the call. This
    problem will occur only with 31-bit Java 6.0.1 and Java 7
    running on z/Enterprise 196 or newer hardware.
    

Problem conclusion

  • This defect will be fixed in:
    6.0.1 SR6
    7.0.0 SR5
    .
    The JVM has been updated to preserve such float/double values
    across Java Native Interface calls.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IV42015

  • Reported component name

    JIT

  • Reported component ID

    620700124

  • Reported release

    260

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2013-05-07

  • Closed date

    2013-05-14

  • Last modified date

    2013-05-14

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

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

Fix information

  • Fixed component name

    JIT

  • Fixed component ID

    620700124

Applicable component levels

  • R260 PSY

       UP

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Document Information

Modified date:
14 May 2013