VolanoTest client failed after 2 days and 8 hours on Mustang b59d

When running VolanoTest on Mustang b59d, the client process failed after 2 days and 8 hours with C1.

hostname: jtg-linux4.sfbay (please contact submitter for the login)

uname -a
Linux jtg-linux4 2.6.5-7.97-smp #1 SMP Fri Jul 2 14:21:59 UTC 2004 i686 i686 i386 GNU/Linux

cat /proc/version
Linux version 2.6.5-7.97-smp (geeko@buildhost) (gcc version 3.3.3 (SuSE Linux)) #1 SMP Fri Jul 2 14:21:59 UTC 2004

/usr/j2se/bin/java -client -version
java version "1.6.0-beta"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.6.0-beta-b59d)
Java HotSpot(TM) Client VM (build 1.6.0-beta-b59d, mixed mode, sharing)

Flag used:
/usr/j2se/bin/java -client -XX:+UseParallelGC -XX:+ShowMessageBoxOnError

Log file:
/bt/VolanoTestrun.11773.-client/run.vtest.out

Unexpected Error
------------------------------------------------------------------------------
SIGSEGV (0xb) at pc=0x0613beb0, pid=29768, tid=1318816688

Do you want to debug the problem?

To debug, run 'gdb /proc/29768/exe 29768'; then switch to thread 1318816688
Enter 'yes' to launch gdb automatically (PATH must include gdb)
Otherwise, press RETURN to abort...

(gdb) thread 4
[Switching to thread 4 (Thread 1318816688 (LWP 29776))]#0 0xffffe410 in ?? ()
(gdb) where
#0 0xffffe410 in ?? ()
#1 0x4e9b7b1c in ?? ()
#2 0x40154bb8 in __elf_set___libc_thread_subfreeres_element___rpc_thread_destroy__ () from /lib/tls/libc.so.6
#3 0x4e9b7978 in ?? ()
#4 0x400cb696 in __nanosleep_nocancel () from /lib/tls/libc.so.6
#5 0x400cb473 in sleep () from /lib/tls/libc.so.6
#6 0x062d3024 in os::message_box () from /usr/j2se/jre/lib/i386/client/libjvm.so
#7 0x06371d36 in VMError::show_message_box () from /usr/j2se/jre/lib/i386/client/libjvm.so
#8 0x063718ae in VMError::report_and_die () from /usr/j2se/jre/lib/i386/client/libjvm.so
#9 0x062d4a20 in JVM_handle_linux_signal () from /usr/j2se/jre/lib/i386/client/libjvm.so
#10 0x062d2678 in signalHandler () from /usr/j2se/jre/lib/i386/client/libjvm.so
#11 <signal handler called>
#12 0x0613beb0 in ValueMap::find_insert () from /usr/j2se/jre/lib/i386/client/libjvm.so
#13 0x060e912e in GraphBuilder::append_with_bci () from /usr/j2se/jre/lib/i386/client/libjvm.so
#14 0x060e38dd in GraphBuilder::arithmetic_op () from /usr/j2se/jre/lib/i386/client/libjvm.so
#15 0x060eaa36 in GraphBuilder::iterate_bytecodes_for_block () from /usr/j2se/jre/lib/i386/client/libjvm.so
#16 0x060eb591 in GraphBuilder::iterate_all_blocks () from /usr/j2se/jre/lib/i386/client/libjvm.so
#17 0x060ecc7e in GraphBuilder::GraphBuilder () from /usr/j2se/jre/lib/i386/client/libjvm.so
#18 0x060f57d1 in IRScope::IRScope () from /usr/j2se/jre/lib/i386/client/libjvm.so
#19 0x060f5ccd in IR::IR () from /usr/j2se/jre/lib/i386/client/libjvm.so
#20 0x060de353 in Compilation::build_hir () from /usr/j2se/jre/lib/i386/client/libjvm.so
#21 0x060de6fb in Compilation::compile_java_method () from /usr/j2se/jre/lib/i386/client/libjvm.so
#22 0x060de8d5 in Compilation::compile_method () from /usr/j2se/jre/lib/i386/client/libjvm.so
#23 0x060df559 in Compiler::compile_method () from /usr/j2se/jre/lib/i386/client/libjvm.so
#24 0x061790cd in CompileBroker::invoke_compiler_on_method () from /usr/j2se/jre/lib/i386/client/libjvm.so
#25 0x06178b55 in CompileBroker::compiler_thread_loop () from /usr/j2se/jre/lib/i386/client/libjvm.so
#26 0x06346b8c in JavaThread::run () from /usr/j2se/jre/lib/i386/client/libjvm.so
#27 0x062d3be3 in java_start () from /usr/j2se/jre/lib/i386/client/libjvm.so
#28 0x400369ed in start_thread () from /lib/tls/libpthread.so.0
#29 0x400fb9ca in clone () from /lib/tls/libc.so.6