IV30391: INCORRECT REMATERIALIZATION SIZE FOR J9CLASS IN CMPRREF

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APAR status

  • Closed as program error.

Error description

  • Error Message: A crash with an unhandled exception message
    similar to the one below is produced.
    j> 11:54:11 Unhandled exception
    j> 11:54:11 Type=Segmentation error vmState=0x0005ff0c
    j> 11:54:11 J9Generic_Signal_Number=00000004
    Signal_Number=0000000b Error_Value=00000000 Signal_Code=00000001
    j> 11:54:11 Handler1=00007FFC2EF16400
    Handler2=00007FFC2EBBD970 InaccessibleAddress=0000000000000020
    j> 11:54:11
    Module=/jtctest/sdk_installs/pxa6470/pxa6470-20110607_02/ibm-jav
    a-x86_64-70/jre/lib/amd64/default/libj9jit26.so
    j> 11:54:11 Module_base_address=00007FFC2DA04000
    .
    Stack Trace: N/A
    .
    

Local fix

Problem summary

  • A a request to allocate addition space for an internal JIT data
    structure incorrectly registered the location of the request. As
    a result, a NULL pointer was returned when attempting to
    retrieve the data structure.
    

Problem conclusion

  • This defect will be fixed in:
    6.0.1 SR4
    7.0.0 SR3
    .
    The JIT was changed to properly register the site requesting the
    allocation.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IV30391

  • Reported component name

    JIT

  • Reported component ID

    620700124

  • Reported release

    260

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2012-10-16

  • Closed date

    2012-10-16

  • Last modified date

    2012-10-16

  • 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


More support for:

Runtimes for Java Technology
Just In Time (JIT) Compiler

Software version:

260

Reference #:

IV30391

Modified date:

2012-10-16

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