CORBA:JVM is crashed for api/javaidl/StubTests & product/rmiiiop/marshalTests tests

JDK: 1.6.0_05 b05
Location: /net/koori/onestop/jdk/1.6.0_05/latest/binaries/windows-i586
Platform[s]: Vista
JVM flag: -server
Failing Test: api/javaidl/StubTests & product/rmiiiop/marshalTests

The test is passed if JVM (-client) is used.
It's not a regression and seen the crash since 1.6.0_05-b01.

TestBase Location:
===================
/net/sqenfs-1/export1/comp/corba/CORBA_mustang

Test source location:
=======================
<TestBase Location>/tests/api/javaidl/StubTests
<TestBase Location>/tests/product/rmiiiop/marshalTests

How to reproduce:
====================
First, map to \\csg-samba\sqe on windows to access the workspace
1. go to TestBase Location and type "sh".
2. Set the PATH as follow:
$ PATH="Q:\comp\corba\CORBA_mustang/bin;$PATH"
$ export PATH
3. cd <Test source location>
4. rip-make -env mustang -jdk <jdk location> -hotspot "-server" -workdir <location> -v all
or
$ rip-make -env -mustang -hotspot "-server" -workdir "C:/temp" -jdk "C:/jdk/b05/windows-i586/jdk1.6.0_05" -v all


Test output for <TestBase Location>/tests/api/javaidl/StubTests:
================================================================
#
# An unexpected error has been detected by Java Runtime Environment:
#
# EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x025eda70, pid=3660, tid=1660
#
# Java VM: Java HotSpot(TM) Tiered VM (1.6.0_05-ea-b05 mixed mode windows-x86)
# Problematic frame:
# J com.sun.corba.se.impl.encoding.CDRInputStream_1_0.getConvertedChars(ILcom/sun/corba/se/impl/encoding/CodeSetConversion$BTCConverter;)[C
#
# An error report file with more information is saved as:
# C:\Users\Admin\AppData\Local\Temp\hs_err_pid3660.log
#
# If you would like to submit a bug report, please visit:
# http://java.sun.com/webapps/bugreport/crash.jsp
#

hs_err_pid3660.log is attached

===========================================================================================

Test output for <TestBase Location>/tests/product/rmiiiop/marshalTests:
=======================================================================
#
# An unexpected error has been detected by Java Runtime Environment:
#
# EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x027b9dc0, pid=1648, tid=3152
#
# Java VM: Java HotSpot(TM) Tiered VM (1.6.0_05-ea-b05 mixed mode windows-x86)
# Problematic frame:
# J com.sun.corba.se.impl.encoding.CDRInputStream_1_0.getConvertedChars(ILcom/sun/corba/se/impl/encoding/CodeSetConversion$BTCConverter;)[C
#
# An error report file with more information is saved as:
# C:\Users\Admin\AppData\Local\Temp\hs_err_pid1648.log
#
# If you would like to submit a bug report, please visit:
# http://java.sun.com/webapps/bugreport/crash.jsp
#

hs_err_pid1648.log is attached

===========================================================================================

Machine info:
==============
opteron002.sfbay.sun.com
boardwalk.sfbay.sun.com