IBM Support

IV58788: INCORRECT HASH CODES ON X86

Subscribe to this APAR

By subscribing, you receive periodic emails alerting you to the status of the APAR, along with a link to the fix after it becomes available. You can track this item individually or track all items by product.

Notify me when this APAR changes.

Notify me when an APAR for this component changes.

APAR status

  • Closed as program error.

Error description

  • Error Message: Various incorrect behaviour resulting from
    incorrect hash codes.
    .
    Stack Trace:
    .
    

Local fix

  • Do not use -Xaggressive
    

Problem summary

  • Under some circumstances, the jit could generate incorrect
    instruction sequence to compute hash codes.
    

Problem conclusion

  • This APAR will be fixed in the following Java Releases:
       7    SR7       (7.0.7.0)
    .
    The JIT was fixed to emit the correct hash code computation.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IV58788

  • Reported component name

    JIT

  • Reported component ID

    620700124

  • Reported release

    260

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2014-04-04

  • Closed date

    2014-04-04

  • Last modified date

    2014-04-04

  • 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



Document information

More support for: Runtimes for Java Technology
Just In Time (JIT) Compiler

Software version: 260

Reference #: IV58788

Modified date: 04 April 2014