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IV44913: CRASH IN JIT'D METHOD WHEN SHARED CLASSES ENABLED

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You can track all active APARs for this component.

 

APAR status

  • Closed as program error.

Error description

  • Error Message: A SIGSEGV/GPF is received in a JIT compiled
    method
    .
    Stack Trace: N/A
    .
    

Local fix

  • Disable shared classes using
    -Xshareclasses:none
    

Problem summary

  • The problem is caused by a false positive when looking up class
    fields in a shared class that is loaded by multiple ClassLoade
    resulting in incorrect compiled code being executed
    

Problem conclusion

  • This defect will be fixed in:
    7.0.0 SR6
    6.0.1 SR7
    6.0.0 SR15
    5.0.0 SR16 FP4
    .
    The JVM has been updated to prevent the false positive result
    when looking up class fields.
    This is a fix to the JVM.
    

Temporary fix

Comments

APAR Information

  • APAR number

    IV44913

  • 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

    2013-06-27

  • Closed date

    2013-10-08

  • Last modified date

    2014-04-29

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

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

    IV51705

Fix information

  • Fixed component name

    J9 COMMON CODE

  • Fixed component ID

    620700127

Applicable component levels

  • R260 PSY

       UP

  • R600 PSY

       UP

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Document Information

Modified date:
21 February 2022