Java3D always crashes for me, while DRI in general works fine. Java3D worked fine with fglrx.

Specs:
Ubuntu Gutsy x86
ATI X200M
Java 6 (1.6.0_03-b05)
Java3D 1.5.1
DRM, DRI and ATI driver are head as of today

Code:
#
# An unexpected error has been detected by Java Runtime Environment:
#
#  SIGSEGV (0xb) at pc=0xb4bc518e, pid=9157, tid=3034581904
#
# Java VM: Java HotSpot(TM) Client VM (1.6.0_03-b05 mixed mode, sharing)
# Problematic frame:
# C  [r300_dri.so+0x3218e]
#
# An error report file with more information is saved as hs_err_pid9157.log
#
# If you would like to submit a bug report, please visit:
#   http://java.sun.com/webapps/bugreport/crash.jsp
#