VTest crashed on B15 after 15 hours on jtg-win19 with mustang b15

VTest crashed after 15 hours on on jtg-win19 with mustang b15.
Looks like the crash was in GC.

Test machine: jtg-win19.sfbay
[root@jtg-win19 root]# uname -a
Linux jtg-win19.SFBay.Sun.COM 2.4.21-19.ELsmp #1 SMP Thu Aug 12 23:26:16 EDT 2004 i686 i686 i386 GNU/Linux

JVM flags: "-server -XX:CompileThreshold=100 -XX:+UseParallelGC"

java version "1.6.0-ea"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.6.0-ea-b15)
Java HotSpot(TM) Client VM (build 1.6.0-ea-b15, mixed mode, sharing)

[root@jtg-win19 VolanoTestrun.3064.-server]# pwd
/bt/VolanoTestrun.3064.-server
[root@jtg-win19 VolanoTestrun.3064.-server]# tail run.vtest.out
Unexpected Error
------------------------------------------------------------------------------
SIGSEGV (0xb) at pc=0xb6f33700, pid=12406, tid=2778684336


To debug, run 'gdb /proc/12406/exe 12406'; then switch to thread -1516282960
Enter 'yes' to launch gdb automatically (PATH must include gdb)
Otherwise, press RETURN to abort...

(gdb) thread 414
[Switching to thread 414 (Thread -1516282960 (LWP 12407))]#0 0xb75305bc
in __nanosleep_nocancel () from /lib/tls/libc.so.6
(gdb) where
#0 0xb75305bc in __nanosleep_nocancel () from /lib/tls/libc.so.6
#1 0xb75303df in sleep () from /lib/tls/libc.so.6
#2 0xb6efa02c in os::message_box ()
   from /usr/j2se/jre/lib/i386/server/libjvm.so
#3 0xb6fc0686 in VMError::show_message_box ()
   from /usr/j2se/jre/lib/i386/server/libjvm.so
#4 0xb6fc034a in VMError::report_and_die ()
   from /usr/j2se/jre/lib/i386/server/libjvm.so
#5 0xb6efb87d in JVM_handle_linux_signal ()
   from /usr/j2se/jre/lib/i386/server/libjvm.so
#6 0xb6ef8f94 in signalHandler () from
/usr/j2se/jre/lib/i386/server/libjvm.so
#7 <signal handler called>
#8 0xb6f33700 in PSPromotionManager::copy_to_survivor_space ()
   from /usr/j2se/jre/lib/i386/server/libjvm.so
#9 0xb6d403bc in instanceKlass::oop_copy_contents ()
   from /usr/j2se/jre/lib/i386/server/libjvm.so
#10 0xb6c50069 in CardTableExtension::scavenge_contents_parallel ()
   from /usr/j2se/jre/lib/i386/server/libjvm.so
#11 0xb6f35929 in OldToYoungRootsTask::do_it ()
   from /usr/j2se/jre/lib/i386/server/libjvm.so
#12 0xb6d0987f in GCTaskThread::run ()
   from /usr/j2se/jre/lib/i386/server/libjvm.so
#13 0xb6efa9a8 in _start () from /usr/j2se/jre/lib/i386/server/libjvm.so
---Type <return> to continue, or q <return> to quit---
#14 0xb75c6dec in start_thread () from /lib/tls/libpthread.so.0
#15 0xb7562f7a in clone () from /lib/tls/libc.so.6

###@###.### 2004-12-14 01:35:53 GMT
###@###.### 2004-12-14 01:52:47 GMT