vtest crashed with ParallelOldGC after running 1 day and 6 hours.

Test machine: jtg-amd3.sfbay
# cat /etc/*release*
SuSE Linux 9.0 - 64
VERSION = 9.0

# /usr/j2se/bin/java -client -version
java version "1.6.0-ea"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.6.0-ea-b52)
Java HotSpot(TM) 64-Bit Server VM (build 20050908154901.jcoomes.gc_merge-debug, mixed mode)

JVM flags used: -client -XX:CompileThreshold=100 -XX:+UseParallelGC -XX:+UseParallelOldGC

jtg-amd3:/bt/VolanoTestrun.16553.-client # pwd
/bt/VolanoTestrun.16553.-client
jtg-amd3:/bt/VolanoTestrun.16553.-client # tail run*out
Unexpected Error
------------------------------------------------------------------------------
Internal Error at typeArrayOop.hpp:28, pid=19323, tid=1080375648

Do you want to debug the problem?

To debug, run 'gdb /proc/19323/exe 19323'; then switch to thread 1080375648

Stack Trace:
-------------
(gdb) thread 373
[Switching to thread 373 (Thread 1080375648 (LWP 19328))]#0
0x0000002a95911e75 in __nanosleep_nocancel () from /lib64/tls/libc.so.6
(gdb) where
#0 0x0000002a95911e75 in __nanosleep_nocancel () from /lib64/tls/libc.so.6
#1 0x0000002a95911ca7 in sleep () from /lib64/tls/libc.so.6
#2 0x0000002a9619b08f in os::message_box ()
from /usr/j2se/jre/lib/amd64/server/libjvm.so
#3 0x0000002a96376ae6 in VMError::show_message_box ()
 from /usr/j2se/jre/lib/amd64/server/libjvm.so
#4 0x0000002a96376568 in VMError::report_and_die ()
 from /usr/j2se/jre/lib/amd64/server/libjvm.so
#5 0x0000002a95dc993e in report_assertion_failure ()
 from /usr/j2se/jre/lib/amd64/server/libjvm.so
#6 0x0000002a95dbb71a in constantPoolKlass::oop_update_pointers ()
 from /usr/j2se/jre/lib/amd64/server/libjvm.so
#7 0x0000002a96210a30 in oopDesc::update_contents ()
 from /usr/j2se/jre/lib/amd64/server/libjvm.so
#8 0x0000002a9620b829 in PSParallelCompact::update_not_updated ()
from /usr/j2se/jre/lib/amd64/server/libjvm.so
#9 0x0000002a96206cee in PSParallelCompact::invoke_no_policy ()
 from /usr/j2se/jre/lib/amd64/server/libjvm.so
#10 0x0000002a962135bf in PSScavenge::invoke ()
 from /usr/j2se/jre/lib/amd64/server/libjvm.so
#11 0x0000002a961b094d in ParallelScavengeHeap::failed_mem_allocate ()
 from /usr/j2se/jre/lib/amd64/server/libjvm.so
#12 0x0000002a96377bf2 in VM_ParallelGCFailedAllocation::doit ()
 from /usr/j2se/jre/lib/amd64/server/libjvm.so
#13 0x0000002a9639e057 in VM_Operation::evaluate ()
 from /usr/j2se/jre/lib/amd64/server/libjvm.so
#14 0x0000002a9639d116 in VMThread::evaluate_operation ()
 from /usr/j2se/jre/lib/amd64/server/libjvm.so
#15 0x0000002a9639d543 in VMThread::loop ()
 from /usr/j2se/jre/lib/amd64/server/libjvm.so
#16 0x0000002a9639cd70 in VMThread::run ()
 from /usr/j2se/jre/lib/amd64/server/libjvm.so
#17 0x0000002a9619bf94 in java_start ()
 from /usr/j2se/jre/lib/amd64/server/libjvm.so
#18 0x0000002a956738e2 in start_thread () from /lib64/tls/libpthread.so.0