ATG hang with 1.5.0-beta-b31 C2 on Itanium2 with Redhat AS3

JDK version
=============
java version "1.5.0-beta"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.5.0-beta-b31)
Java HotSpot(TM) 64-Bit Server VM (build 1.5.0-beta-b31, mixed mode)

Platform
=============
Linux jtg-it4 2.4.21-4.EL #1 SMP ia64 ia64 ia64 GNU/Linux

Error message
=============
No error message available.
check the host at jtg-it4

Notes
=============
*How to reproduce bug:
telnet to the hosts shown on the web for linux test machine with root/!ncffpi! as id/passwd
goto /bt to execute script and /bs to get the running results
****take an example from jtg-amd1 with vmark problem:****
execute /bs/runvmark.ksh -server
cd to /bt/xxx.xxx-server to get the results
###@###.### 2003-12-19

The bug is not reproducible with tiger b32.

###@###.### 2003-12-22