IZ76302: JVM CRASH WITH -XDUMP:STACK:EVENTS=ALLOCATION,FILTER=##

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You can track all active APARs for this component.

APAR status

  • Closed as program error.

Error description

  • Error Message: Crash happens only when the following option is
    used by the JVM
    -Xdump:stack:events=allocation,filter=#3m
    .
    
    Native Stack Trace:
    MM_MemoryPoolAddressOrderedList::collectorAllocateTLH(MM_Environ
    mentModron*,MM_AllocateDesc...
    MM_MemorySubSpaceGeneric::collectorAllocateTLH(MM_EnvironmentMod
    ron*,MM_Collector*,MM_Alloc...
    MM_ParallelScavenger::reserveMemoryForAllocateInSemiSpace(MM_Env
    ironment*,unsigned long,uns...
    MM_ParallelScavenger::copyAndForward(MM_Environment*,J9Object**)
    MM_ParallelScavenger::completeScan(MM_Environment*)
    MM_ParallelScavenger::workThreadGarbageCollect(MM_Environment*)
    MM_ParallelScavengeTask::run(MM_EnvironmentModron*)
    dispatcher_slave_thread_proc2
    j9sig_protect
    dispatcher_slave_thread_proc
    thread_wrapper
    CEEVROND
    CEEOPCMM
    
    Keywords:
    J9GCModronLinkedFreeHeader
    Allocation failure
    

Local fix

  • Remove the -Xdump:stack:events=allocation,filter=## option
    

Problem summary

  • JVM abends with the -Xdump:stack:events=allocation,filter=##
    option under load situations. This option is used to dump the
    stacks of threads that allocate an object of size greater than
    or equal to the value specified in the dump option.
    

Problem conclusion

  • This defect will be fixed in:
    5.0.0 SR12
    6.0.0 SR9
    .
    JVM has been updated to prevent the crash that happens in the
    presence of Xdump:stack option.
    .
    To obtain the fix:
    Install build 20100529 or later
    

Temporary fix

  • 1. Remove -Xdump:stack:events=allocation,filter=## option from
    the Java option list.
    2. "-Xdump:stack:events=allocation,filter=#3m,request="
       Using this option may not produce the problem.
    

Comments

APAR Information

  • APAR number

    IZ76302

  • Reported component name

    JAVA 5 J9 COMMO

  • Reported component ID

    620500127

  • Reported release

    500

  • Status

    CLOSED PER

  • PE

    NoPE

  • HIPER

    NoHIPER

  • Special Attention

    NoSpecatt

  • Submitted date

    2010-05-27

  • Closed date

    2010-06-01

  • Last modified date

    2010-07-30

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

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

    IZ76322

Fix information

  • Fixed component name

    JAVA 5 J9 COMMO

  • Fixed component ID

    620500127

Applicable component levels

  • R500 PSN

       UP



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Document information


More support for:

Runtimes for Java Technology
Virtual Machine

Software version:

5.0

Reference #:

IZ76302

Modified date:

2010-07-30

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