JVM of 1.4.2 for ia64 always hangs up.

CONFIGURATION :
  - OS : Red Hat Enterprise Linux AS 3
       Linux ****** 2.4.21-4.EL #1 SMP Fri Oct 3 17:29:39 EDT 2003 ia64 ia64
       ia64 GNU/Linux

  - MPU : Itenium 2

  - JRE : 1.4.2_04 for IA62
      Java version "1.4.2_04"
      Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_04-b05)
      Java HotSpot(TM) 64-Bit Server VM (build 1.4.2_04-b05, mixed mode)

REPRODUCE ;
  1) Compile the below program
    
 --- source code start -----

    class a {
        public static void main( String arg[] ) {
        System.gc();
        }
    }

 --- source code end ----

 
  2) Launch "java -showversion -verbose:gc a"

  The result is,

$ java -showversion -verbose:gc a
java version "1.4.2_04"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.2_04-b05)
Java HotSpot(TM) 64-Bit Server VM (build 1.4.2_04-b05, mixed mode)

[Full GC <===== The program seems to hang!!



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