Name: szC45993 Date: 12/13/99



 /net/sqesvr/vsn/testbase/testbase_nsk/src/nsk/arguments/args00133 test,
which uses developing options, crashes java_g (java version "1.2.2"
Java HotSpot(TM) Server VM (2.0rc1, mixed mode, debug build I))
on WinNT (Pentium II, 350MHz, 128Mb RAM, Windows NT 4.0 Workstation).
See log and sources below.

TONGA'S LOG:
============
[#] cd d:/zss/TONGA_WSs/ZSS_workdir/Administrator.NT.x86/args00133
[#] base_js/src/nsk/arguments/args00133/gammarc.gammarc -verify args00133 <
VM option 'NmethodSweepFraction=16'
VM option 'NMethodSweepInterval=1000'
VM option 'MemProfilingInterval=500'
VM option 'PostMortemDump=1'
VM option 'AssertRepeat=1'
VM option 'HandleAllocationLimit=1024'
VM option 'TotalHandleAllocationLimit=1024'
VM option 'StackPrintLimit=100'
VM option 'MaxElementPrintSize=256'
VM option 'MaxSubklassPrintSize=4'
VM option 'MaxInlineLevel=5'
VM option 'MaxInlineSize=12'
VM option 'MaxTrivialSize=6'
VM option 'MaxBackPatches=3'
VM option 'AlignEntryCode=4'
VM option 'CodeBufferSize=64*K'
VM option 'MaxNMethodSize=8*K'
VM option 'MethodHistogramCutoff=100'
VM option 'ProfilerNumberOfInterpretedMethods=25'
VM option 'ProfilerNumberOfCompiledMethods=25'
VM option 'ProfilerNumberOfStubMethods=25'
VM option 'ICacheAlignmentMode=0'
VM option 'ScavengeALotInterval=1'
VM option 'DontYieldALotInterval=10'
VM option 'EventLogLength=2000'
VM option 'ProfilerPCTickThreshold=15'
VM option 'DeoptimizeALotInterval=5'
VM option 'MallocVerifyInterval=0'
VM option 'MallocVerifyStart=0'
VM option 'CodeCacheSegmentSize=64'
VM option 'CodeEntryAlignment=32'
VM option 'InitialCodeCacheSize=9000*K'
VM option 'ReservedCodeCacheSize=9000*K'
VM option 'CodeCacheExpansionSize=32'
VM option 'BinarySwitchThreshold=5'
VM option 'StopInterpreterAt=0'
VM option 'TraceBytecodesAt=0'
VM option 'CompileThreshold=1000'
VM option 'MaxRecompilationSearchLength=10'
VM option 'MaxInterpretedSearchLength=3'
VM option 'RecompilationMonitorIntervalLength=200'
VM option 'RecompilationMonitorIntervals=5'
VM option 'CompilationPercentageThresholdHigh=20'
VM option 'CompilationPercentageThresholdLow=5'
VM option 'InterpreterOverheadThresholdHigh=15'
VM option 'InterpreterOverheadThresholdLow=5'
VM option 'CompileThresholdMin=500'
VM option 'CompileThresholdMax=50000'
VM option 'CompileThresholdAdjustFactor=150'
VM option 'CounterHalfLifeTime=30'
VM option 'OptoStart=0'
VM option 'OptoStop=-1'
VM option 'ThreadStackSize=0'
#
# HotSpot Virtual Machine Error, assertion failure
#
# assert(osr != 0, "must generate an adapter blob")
#
# Error ID: C:/hotspot\src\share\vm\code\onStackReplacement.cpp, 81
#
[#] echo $?
1
[#]


SOURCES:
========

//--------------------- args00133.java:
//args00133.java
/* This test simply creates a series of circularly
 * linked memeory objects which should be able to be
 * GC'd
 */


class MemoryObject
{
    byte array[];
    MemoryObject next;
    MemoryObject previous;

    public MemoryObject(int size)
    {
        array = new byte[size];
    }
}

class args00133
{
    static final int ARRAY_SIZE = 100;
    static final int OBJECT_SIZE = 10;
    static final int LOOP_COUNT = 5;
    static final int CIRCULARITY_SIZE = 3;

    static MemoryObject memoryArray[] = new MemoryObject[ARRAY_SIZE];

    public static void main(String args[])
    {
        for (int j = 0; j < LOOP_COUNT; j++)
        {
            System.out.println(j + ": " + Runtime.getRuntime().freeMemory());
            for (int i = 0; i < ARRAY_SIZE; i ++)
            {
                memoryArray[i] = new MemoryObject(OBJECT_SIZE);
                makeCircular(memoryArray[i], CIRCULARITY_SIZE);
            }
        }

        // if there's any memory left, let's assume it's okay
        System.out.println("Test passed.");

    }

    public static void makeCircular(MemoryObject mObj, int depth)
    {
MemoryObject tmpObj = mObj;

        for (int i = 0; i < depth; i++)
        {
            tmpObj.next = new MemoryObject(OBJECT_SIZE);
            tmpObj= tmpObj.next;
        }
tmpObj.next = mObj;
    }

    public static void confirmCircular(MemoryObject mObj)
    {
int count = 0;
MemoryObject mObj2 = mObj;
while (mObj2.next != mObj)
{
count++;
mObj2 = mObj2.next;
}
System.out.println("Circularity level: " + count);
    }
}
//---------------------



#--------------------- gammarc.gammarc:
NmethodSweepFraction=16
NMethodSweepInterval=1000
MemProfilingInterval=500
PostMortemDump=1
AssertRepeat=1
HandleAllocationLimit=1024
TotalHandleAllocationLimit=1024
StackPrintLimit=100
MaxElementPrintSize=256
MaxSubklassPrintSize=4
MaxInlineLevel=5
MaxInlineSize=12
MaxTrivialSize=6
MaxBackPatches=3
AlignEntryCode=4
CodeBufferSize=64*K
MaxNMethodSize=8*K
MethodHistogramCutoff=100
ProfilerNumberOfInterpretedMethods=25
ProfilerNumberOfCompiledMethods=25
ProfilerNumberOfStubMethods=25
ICacheAlignmentMode=0
ScavengeALotInterval=1
DontYieldALotInterval=10
EventLogLength=2000
ProfilerPCTickThreshold=15
DeoptimizeALotInterval=5
MallocVerifyInterval=0
MallocVerifyStart=0
CodeCacheSegmentSize=64
CodeEntryAlignment=32
InitialCodeCacheSize=9000*K
ReservedCodeCacheSize=9000*K
CodeCacheExpansionSize=32
BinarySwitchThreshold=5
StopInterpreterAt=0
TraceBytecodesAt=0
CompileThreshold=1000
MaxRecompilationSearchLength=10
MaxInterpretedSearchLength=3
RecompilationMonitorIntervalLength=200
RecompilationMonitorIntervals=5
CompilationPercentageThresholdHigh=20
CompilationPercentageThresholdLow=5
InterpreterOverheadThresholdHigh=15
InterpreterOverheadThresholdLow=5
CompileThresholdMin=500
CompileThresholdMax=50000
CompileThresholdAdjustFactor=150
CounterHalfLifeTime=30
OptoStart=0
OptoStop=-1
ThreadStackSize=0
#---------------------


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