With Mantis build 09, VolanoTest with -d64 failed after 2 days 15 hours on 
jtg-e250-3.sfbay
# uname -a
SunOS jtg-e250-3 5.9 Generic_Patch sun4u sparc SUNW,Ultra-250
java version "1.4.2-beta"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2-beta-b09)
Java HotSpot(TM) Client VM (build 1.4.2-beta-b09, mixed mode)

JVM flag used: -d64
core dump is attached.

>   ---- called from signal handler with signal 11 (SIGSEGV) ------
>   [9] MarkSweep::mark_and_follow(0xffffffff39892950, 0xffffffff34064158, 
> 0xffffffff79aff840, 0x10018e7d0, 0xffffffff7e617474, 0x1), at 
0xffffffff7e587988
>   [10] objArrayKlass::oop_follow_contents(0xffffffff34001940, 
> 0xffffffff340634c0, 0xffffffff39800134, 0x0, 0x78, 0xffffffff79afedf0), at 
> 0xffffffff7e58a2a0
>   [11] MarkSweep::follow_stack(0xffffffff7eb4da40, 0xffffffff7eb4da40, 0x0, 
0x0, 
> 0x2000, 0xffffffff79aff378), at 0xffffffff7e5a1d60
>   [12] Universe::oops_do(0xffffffff7eb401c8, 0x0, 0x10018fdb0, 0x0, 
> 0xffffffff79aff260, 0x0), at 0xffffffff7e6a3324
>   [13] GenCollectedHeap::process_strong_roots(0x10018d640, 0x1, 0x0, 0x1, 0x2, 
> 0xffffffff7eb401c8), at 0xffffffff7e6a3bc4
>   [14] GenMarkSweep::mark_sweep_phase1(0x1, 0xffffffff79aff5c4, 0x0, 
> 0xffffffff7e7f1548, 0x10010f870, 0xffffffff79aff400), at 0xffffffff7e7f1ac0
>   [15] GenMarkSweep::invoke_at_safepoint(0x1, 0x9c00, 0xb800, 0xb8d8, 0x9d58, 
> 0xffffffff79aff600), at 0xffffffff7e7f1598
>   [16] OneContigSpaceCardGeneration::collect(0x10018fdb0, 0x0, 0x0, 0x0, 0x0, 
> 0x0), at 0xffffffff7e6de5e0
>   [17] GenCollectedHeap::do_collection(0x0, 0x0, 0x1, 0x0, 0xffffffff25eff070, 
> 0x10018fdb0), at 0xffffffff7e6aadb0
>   [18] TwoGenerationCollectorPolicy::satisfy_failed_allocation(0x10018d500, 
> 0xffffffff7eb372c0, 0x0, 0x0, 0x8800, 0x8a28), at 0xffffffff7e6b49a4
>   [19] VM_GenCollectForAllocation::doit(0xffffffff25eff038, 0x6f, 0x0, 0x0, 
> 0xffffffff7e6235a8, 0x0), at 0xffffffff7e6b4cc0
>   [20] VM_Operation::evaluate(0xffffffff25eff038, 0x6f, 0x0, 
0xffffffff7eb6da30, 
> 0x8c00, 0x8e40), at 0xffffffff7e6a8db8
>   [21] VMThread::evaluate_operation(0x1001ef760, 0xffffffff25eff038, 0x0, 
> 0x10010e5e0, 0xffffffff7e742c48, 0x0), at 0xffffffff7e6a8c30
>   [22] VMThread::loop(0x7000, 0x9000, 0x9188, 0x9000, 0x9098, 0x1001ef760), at 
> 0xffffffff7e742c60
>   [23] VMThread::run(0x1001ef760, 0x40, 0x0, 0x0, 0x0, 0x0), at 
> 0xffffffff7e742494
>   [24] _start(0x1001ef760, 0x0, 0x0, 0x0, 0x0, 0x0), at 0xffffffff7e6c5b2c

###@###.### 2002-12-10