IV39552: GPF IN MM_CONCURRENTOVERFLOW::OVERFLOWITEMINTERNAL()

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APAR status

  • Closed as program error.

Error description

  • Error Message: A SIGSEGV/GPF is received during a GC cycle with
    the attached stack trace
    .
    Stack Trace:
    MM_ConcurrentOverflow::overflowItemInternal(MM_EnvironmentModron
    *, void*, MM_ConcurrentCardTable*) ()
    MM_ConcurrentOverflow::emptyToOverflow(MM_EnvironmentModron*,
    MM_Packet*, MM_OverflowType) ()
    MM_WorkPackets::getPacketByOverflowing(MM_EnvironmentModron*) ()
    MM_WorkStack::pushFailed(MM_EnvironmentModron*, void*) ()
    MM_MarkingScheme::scanMixedObject(MM_EnvironmentStandard*,
    J9Object*, MM_MarkingScheme::ScanReason) ()
    MM_MarkingScheme::markLiveObjectsScan(MM_EnvironmentStandard*)
    ()
    MM_ParallelMarkTask::run(MM_EnvironmentModron*) ()
    MM_Dispatcher::run(MM_EnvironmentModron*, MM_Task*) ()
    MM_ParallelGlobalGC::markAll(MM_EnvironmentStandard*, bool) ()
    MM_ParallelGlobalGC::masterThreadGarbageCollect(MM_EnvironmentSt
    andard*, MM_AllocateDescription*, bool, bool) ()
    MM_ConcurrentGC::internalGarbageCollect(MM_EnvironmentModron*,
    MM_MemorySubSpace*, MM_AllocateDescription*) ()
    MM_Collector::garbageCollect(MM_EnvironmentModron*,
    MM_MemorySubSpace*, MM_AllocateDescription*, unsigned int,
    MM_ObjectAllocationInterface*, MM_MemorySubSpace*,
    MM_AllocationContext*) ()
    MM_MemorySubSpaceGenerational::allocationRequestFailed(MM_Enviro
    nmentModron*, MM_AllocateDescription*,
    MM_MemorySubSpace::AllocationType,
    MM_ObjectAllocationInterface*, MM_MemorySubSpace*,
    MM_MemorySubSpace*) ()
    MM_MemorySubSpaceFlat::allocationRequestFailed(MM_EnvironmentMod
    ron*, MM_AllocateDescription*,
    MM_MemorySubSpace::AllocationType,
    MM_ObjectAllocationInterface*, MM_MemorySubSpace*,
    MM_MemorySubSpace*) ()
    MM_MemorySubSpaceGeneric::allocateObject(MM_EnvironmentModron*,
    MM_AllocateDescription*, MM_MemorySubSpace*, MM_MemorySubSpace*,
    bool) ()
    MM_TLHAllocationInterface::allocateObject(MM_EnvironmentModron*,
    MM_AllocateDescription*, MM_MemorySpace*, bool) ()
    MM_MixedObjectAllocationModel::allocateMixedObject(MM_Environmen
    tModron*, MM_AllocateDescription*, bool) ()
    J9AllocateObject ()
    .
    

Local fix

Problem summary

  • The problem is caused by the incorrect processing of workpackets
    

Problem conclusion

  • This defect will be fixed in:
    6.0.1 SR6
    7.0.0 SR5
    .
    The GC has been updated to correctly process the workpackets
    

Temporary fix

Comments

APAR Information

  • APAR number

    IV39552

  • 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

    2013-04-10

  • Closed date

    2013-04-15

  • Last modified date

    2013-04-23

  • 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 #:

IV39552

Modified date:

2013-04-23

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