IV01623: SEGMENTATION FAULT DURING PARALLEL SCAVENGE

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • Error Message: A Segmentation fault occurs during a Parallel
    Scavenge with heaps under 28GB using the gencon GC policy
    .
    Stack Trace: void
    MM_ParallelScavenger::backoutFixupAndReverseForwardPointersInSur
    vivor(MM_EnvironmentStandard *env)
    .
    

Local fix

  • Disable compressed references using -Xnocompressedrefs at the
    end of the commandline
    

Problem summary

  • The problem occurs during the backout of a Parallel Scavenge
    using the Gencon GC policy.
    

Problem conclusion

  • This defect will be fixed in:
    6.0.1 FP2
    .
    The JVM has been updated to ensure the backout occurs correctly
    .
    To obtain the fix:
    Install build 20110603 or later
    

Temporary fix

Comments

APAR Information

  • APAR number

    IV01623

  • Reported component name

    J9 COMMON CODE

  • Reported component ID

    620700127

  • Reported release

    260

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2011-06-10

  • Closed date

    2011-06-17

  • Last modified date

    2011-06-17

  • 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

    J9 COMMON CODE

  • Fixed component ID

    620700127

Applicable component levels

  • R260 PSY

       UP



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Document information


More support for:

Runtimes for Java Technology
Virtual Machine

Software version:

260

Reference #:

IV01623

Modified date:

2011-06-17

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