CORBA test api/giop/cdr/valuetypes/fragmentation failed on linux-amd64 with "-server" with 6u10_b29 linux-amd64

Error/Exception message from output:
=====================================

<TEST SUITE-NAME="GIOP API Tests" CATEGORY="API">
<TEST-NAME>api_giop_cdr_valuetypes_fragmentation_MultiClient</TEST-NAME>
<TEST-DESC>Client : GIOP Config : com.sun.CORBA.giop.ORBGIOPVersion=1.2,com.sun.CORBA.giop.ORBGIOP12BuffMgr=1</TEST-DESC>

<TEST-CASE>
<TEST-CASE-ID STATUS="FAILED">Test01</TEST-CASE-ID>
<TEST-CASE-DESC>Client -4 Correctly marhalled and unmarshalled a tree
...
Client -7 org.omg.CORBA.COMM_FAILURE: vmcid: SUN minor code: 217 completed: No
Client -5 org.omg.CORBA.COMM_FAILURE: vmcid: SUN minor code: 217 completed: No
Client -7 Correctly marhalled and unmarshalled a tree
Client -7 Correctly marhalled and unmarshalled a tree</TEST-CASE-DESC>
</TEST-CASE>


<TEST-SUMMARY>
<TEST-CASES-PASSED>0</TEST-CASES-PASSED>
<TEST-CASES-FAILED>1</TEST-CASES-FAILED>
</TEST-SUMMARY>
</TEST>

How to reproduce:
====================
TESTBASE=/net/sqenfs-1.sfbay/export1/comp/jsn/idl/rtm-generic-mustang-exec
TESTSUITE=api/giop/cdr/valuetypes/fragmentation
TEST_JAVA_HOME=/net/koori.sfbay/onestop/jdk/6u10/promoted/fcs/b29/binaries/linux-amd64
WORK_DIR=/myworkdir
 
PATH="${TESTBASE}/bin:${PATH}"
cd "${TESTBASE}/tests/${TESTSUITE}"
rip-make -env mustang -jdk ${TEST_JAVA_HOME} -workdir ${WORK_DIR} -hotspot "-server" -v all
Result:
=======
test machine "bunt.sfbay"
http://sqeweb.sfbay/jsn/keep_forbug/jsn_6.0-6u10-corba-suseAMD64_c2-2008-08-08-21-49-55-0532/corba_result/logs/api/giop/cdr/valuetypes/fragmentation.log

But same test passed on some other machine, following is passed result on machine "sfx2100-05.sfbay"
http://jsqalab.sfbay/results/6.0u10/b29-week1/Corba/jsn_6.0-6u10-corba-suseAMD64_c2-2008-08-08-01-14-10-0321/corba_result/logs/api/giop/cdr/valuetypes/fragmentation.html