This stack trace is from 1.4.2_03 but they have seen it on j2sdk1.4.2_07 .

This is from the BT stress tests :
Program received signal SIGUSR2, User defined signal 2.
.
Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 8194 (LWP 13033)]
0x200000000105a9d0 in FastScanClosure::do_oop () from
/nfs/plnfs1/vol/admin/l64/rdbms/9.2.0.2.0/common/usr.local/java/j2sdk1.4.2_03/
jre/lib/ia64/server/libjvm.so
Current language: auto; currently c++
(gdb) where
#0 0x200000000105a9d0 in FastScanClosure::do_oop () from
/nfs/plnfs1/vol/admin/l64/rdbms/9.2.0.2.0/common/usr.local/java/j2sdk1.4.2_03/
jre/lib/ia64/server/libjvm.so
#1 0x200000000105d5f0 in InterpreterFrameClosure::offset_do () from
/nfs/plnfs1/vol/admin/l64/rdbms/9.2.0.2.0/common/usr.local/java/j2sdk1.4.2_03/
jre/lib/ia64/server/libjvm.so
#2 0x2000000000e29420 in InterpreterOopMap::iterate_oop () from
/nfs/plnfs1/vol/admin/l64/rdbms/9.2.0.2.0/common/usr.local/java/j2sdk1.4.2_03/
jre/lib/ia64/server/libjvm.so
#3 0x2000000000a2e6c0 in frame::oops_interpreted_do () from
/nfs/plnfs1/vol/admin/l64/rdbms/9.2.0.2.0/common/usr.local/java/j2sdk1.4.2_03/
jre/lib/ia64/server/libjvm.so
#4 0x2000000000a31490 in frame::oops_do () from
/nfs/plnfs1/vol/admin/l64/rdbms/9.2.0.2.0/common/usr.local/java/j2sdk1.4.2_03/
jre/lib/ia64/server/libjvm.so
#5 0x2000000000f60890 in JavaThread::oops_do () from
/nfs/plnfs1/vol/admin/l64/rdbms/9.2.0.2.0/common/usr.local/java/j2sdk1.4.2_03/
jre/lib/ia64/server/libjvm.so
#6 0x2000000000f695e0 in Threads::oops_do () from
/nfs/plnfs1/vol/admin/l64/rdbms/9.2.0.2.0/common/usr.local/java/j2sdk1.4.2_03/
jre/lib/ia64/server/libjvm.so
#7 0x2000000000a43ab0 in GenCollectedHeap::process_strong_roots () from
/nfs/plnfs1/vol/admin/l64/rdbms/9.2.0.2.0/common/usr.local/java/j2sdk1.4---Typ
e <return> to continue, or q <return> to quit---
.2_03/jre/lib/ia64/server/libjvm.so
#8 0x20000000009aa480 in DefNewGeneration::collect () from
/nfs/plnfs1/vol/admin/l64/rdbms/9.2.0.2.0/common/usr.local/java/j2sdk1.4.2_03/
jre/lib/ia64/server/libjvm.so
#9 0x2000000000a43230 in GenCollectedHeap::do_collection () from
/nfs/plnfs1/vol/admin/l64/rdbms/9.2.0.2.0/common/usr.local/java/j2sdk1.4.2_03/
jre/lib/ia64/server/libjvm.so
#10 0x20000000009483a0 in
TwoGenerationCollectorPolicy::satisfy_failed_allocation () from
/nfs/plnfs1/vol/admin/l64/rdbms/9.2.0.2.0/common/usr.local/java/j2sdk1.4.2_03/
jre/lib/ia64/server/libjvm.so
#11 0x2000000000a48680 in GenCollectedHeap::satisfy_failed_allocation () from
/nfs/plnfs1/vol/admin/l64/rdbms/9.2.0.2.0/common/usr.local/java/j2sdk1.4.2_03/
jre/lib/ia64/server/libjvm.so
#12 0x2000000000fd0730 in VM_GenCollectForAllocation::doit () from
/nfs/plnfs1/vol/admin/l64/rdbms/9.2.0.2.0/common/usr.local/java/j2sdk1.4.2_03/
jre/lib/ia64/server/libjvm.so
#13 0x2000000000fcf9c0 in VM_Operation::evaluate () from
/nfs/plnfs1/vol/admin/l64/rdbms/9.2.0.2.0/common/usr.local/java/j2sdk1.4.2_03/
jre/lib/ia64/server/libjvm.so
#14 0x2000000000fcd6a0 in VMThread::evaluate_operation () from
/nfs/plnfs1/vol/admin/l64/rdbms/9.2.0.2.0/common/usr.local/java/j2sdk1.4.2_03/
jre/lib/ia64/server/libjvm.so
---Type <return> to continue, or q <return> to quit---
#15 0x2000000000fce0f0 in VMThread::loop () from
/nfs/plnfs1/vol/admin/l64/rdbms/9.2.0.2.0/common/usr.local/java/j2sdk1.4.2_03/
jre/lib/ia64/server/libjvm.so
#16 0x2000000000fcd2b0 in VMThread::run () from
/nfs/plnfs1/vol/admin/l64/rdbms/9.2.0.2.0/common/usr.local/java/j2sdk1.4.2_03/
jre/lib/ia64/server/libjvm.so
#17 0x2000000000e36d50 in _start () from
/nfs/plnfs1/vol/admin/l64/rdbms/9.2.0.2.0/common/usr.local/java/j2sdk1.4.2_03/
jre/lib/ia64/server/libjvm.so
#18 0x2000000000052dd0 in pthread_start_thread (arg=0x200000004c867a60) at manager.c:279
#19 0x2000000000286480 in __clone2 () at soinit.c:56
#20 0x200000000105d5f0 in InterpreterFrameClosure::offset_do () from
/nfs/plnfs1/vol/admin/l64/rdbms/9.2.0.2.0/common/usr.local/java/j2sdk1.4.2_03/
jre/lib/ia64/server/libjvm.so
#21 0x00000000 in ?? ()

(gdb) where
#0 0x200000000105a9d0 in FastScanClosure::do_oop () from
/nfs/plnfs1/vol/admin/l64/rdbms/9.2.0.2.0/common/usr.local/java/j2sdk1.4.2_03/
jre/lib/ia64/server/libjvm.so
#1 0x200000000105d5f0 in InterpreterFrameClosure::offset_do () from
/nfs/plnfs1/vol/admin/l64/rdbms/9.2.0.2.0/common/usr.local/java/j2sdk1.4.2_03/
jre/lib/ia64/server/libjvm.so
#2 0x2000000000e29420 in InterpreterOopMap::iterate_oop () from
/nfs/plnfs1/vol/admin/l64/rdbms/9.2.0.2.0/common/usr.local/java/j2sdk1.4.2_03/
jre/lib/ia64/server/libjvm.so
#3 0x2000000000a2e6c0 in frame::oops_interpreted_do () from
/nfs/plnfs1/vol/admin/l64/rdbms/9.2.0.2.0/common/usr.local/java/j2sdk1.4.2_03/
jre/lib/ia64/server/libjvm.so
#4 0x2000000000a31490 in frame::oops_do () from
/nfs/plnfs1/vol/admin/l64/rdbms/9.2.0.2.0/common/usr.local/java/j2sdk1.4.2_03/
jre/lib/ia64/server/libjvm.so
#5 0x2000000000f60890 in JavaThread::oops_do () from
/nfs/plnfs1/vol/admin/l64/rdbms/9.2.0.2.0/common/usr.local/java/j2sdk1.4.2_03/
jre/lib/ia64/server/libjvm.so
#6 0x2000000000f695e0 in Threads::oops_do () from
/nfs/plnfs1/vol/admin/l64/rdbms/9.2.0.2.0/common/usr.local/java/j2sdk1.4.2_03/
jre/lib/ia64/server/libjvm.so
#7 0x2000000000a43ab0 in GenCollectedHeap::process_strong_roots () from
/nfs/plnfs1/vol/admin/l64/rdbms/9.2.0.2.0/common/usr.local/java/j2sdk1.4---Typ
e <return> to continue, or q <return> to quit---
.
.2_03/jre/lib/ia64/server/libjvm.so
#8 0x20000000009aa480 in DefNewGeneration::collect () from
/nfs/plnfs1/vol/admin/l64/rdbms/9.2.0.2.0/common/usr.local/java/j2sdk1.4.2_03/
jre/lib/ia64/server/libjvm.so
#9 0x2000000000a43230 in GenCollectedHeap::do_collection () from
/nfs/plnfs1/vol/admin/l64/rdbms/9.2.0.2.0/common/usr.local/java/j2sdk1.4.2_03/
jre/lib/ia64/server/libjvm.so
#10 0x20000000009483a0 in
TwoGenerationCollectorPolicy::satisfy_failed_allocation () from
/nfs/plnfs1/vol/admin/l64/rdbms/9.2.0.2.0/common/usr.local/java/j2sdk1.4.2_03/
jre/lib/ia64/server/libjvm.so
#11 0x2000000000a48680 in GenCollectedHeap::satisfy_failed_allocation () from
/nfs/plnfs1/vol/admin/l64/rdbms/9.2.0.2.0/common/usr.local/java/j2sdk1.4.2_03/
jre/lib/ia64/server/libjvm.so
#12 0x2000000000fd0730 in VM_GenCollectForAllocation::doit () from
/nfs/plnfs1/vol/admin/l64/rdbms/9.2.0.2.0/common/usr.local/java/j2sdk1.4.2_03/
jre/lib/ia64/server/libjvm.so
#13 0x2000000000fcf9c0 in VM_Operation::evaluate () from
/nfs/plnfs1/vol/admin/l64/rdbms/9.2.0.2.0/common/usr.local/java/j2sdk1.4.2_03/
jre/lib/ia64/server/libjvm.so
#14 0x2000000000fcd6a0 in VMThread::evaluate_operation () from
/nfs/plnfs1/vol/admin/l64/rdbms/9.2.0.2.0/common/usr.local/java/j2sdk1.4.2_03/
jre/lib/ia64/server/libjvm.so
---Type <return> to continue, or q <return> to quit---
#15 0x2000000000fce0f0 in VMThread::loop () from
/nfs/plnfs1/vol/admin/l64/rdbms/9.2.0.2.0/common/usr.local/java/j2sdk1.4.2_03/
jre/lib/ia64/server/libjvm.so
#16 0x2000000000fcd2b0 in VMThread::run () from
/nfs/plnfs1/vol/admin/l64/rdbms/9.2.0.2.0/common/usr.local/java/j2sdk1.4.2_03/
jre/lib/ia64/server/libjvm.so
#17 0x2000000000e36d50 in _start () from
/nfs/plnfs1/vol/admin/l64/rdbms/9.2.0.2.0/common/usr.local/java/j2sdk1.4.2_03/
jre/lib/ia64/server/libjvm.so
#18 0x2000000000052dd0 in pthread_start_thread (arg=Error accessing memory
address 0x200000004c760038: No such process.
) at manager.c:279
#19 0x2000000000286480 in __clone2 () at soinit.c:56
#20 0x200000000105d5f0 in InterpreterFrameClosure::offset_do () from
/nfs/plnfs1/vol/admin/l64/rdbms/9.2.0.2.0/common/usr.local/java/j2sdk1.4.2_03/
jre/lib/ia64/server/libjvm.so
#21 0x00000000 in ?? ()


###@###.### 2005-2-10 22:24:17 GMT