RAS: Vmark server hang with 1.4.1-b21 C1 on linux redhat 7.2

JDK version
=============
java version "1.4.1"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.1-b21)
Java HotSpot(TM) Client VM (build 1.4.1-b21, mixed mode)

Platform
=============
Linux jtg-linux13 2.4.9-31smp #1 SMP i686 unknown

Error message
=============
Vmark server hang after 4 days 11 hrs

Unexpected Signal: 11, PC: 0x421e59ed, PID: 17884
An error has just occurred, do you want to debug the problem?

Notes
=============
*We still keep the hanging process on jtg-linux13 and go /bt to check the test output.
*How to reproduce bug:
telnet to the hosts shown in web for linux test machine with root/[host name] as id/passwd
goto /bt to execute script and /bs to get the running results
****for example:****
telnet to jtg-linux13 with root/jtg-linux13 as id/passwd
execute /bs/runatg.ksh -server
cd to /bt/atgxxx.xxx-server to get the results
###@###.### 2002-09-05