by the way, I tried to load our mdb-bmt example in AS 6 M3 and I have the same issue:
16:05:46,061 ERROR [HornetQActivation] Unable to start activation : HornetQException[errorCode=100 message=Queue jms.queue.testQueue does not exist]
at org.hornetq.core.protocol.core.impl.ChannelImpl.sendBlocking(ChannelImpl.java:287) [:6.0.0.20100429-M3]
at org.hornetq.core.client.impl.ClientSessionImpl.internalCreateConsumer(ClientSessionImpl.java:1556) [:6.0.0.20100429-M3]
at org.hornetq.core.client.impl.ClientSessionImpl.createConsumer(ClientSessionImpl.java:447) [:6.0.0.20100429-M3]
at org.hornetq.core.client.impl.ClientSessionImpl.createConsumer(ClientSessionImpl.java:392) [:6.0.0.20100429-M3]
at org.hornetq.core.client.impl.DelegatingSession.createConsumer(DelegatingSession.java:201) [:6.0.0.20100429-M3]
at org.hornetq.ra.inflow.HornetQMessageHandler.setup(HornetQMessageHandler.java:168) [:6.0.0.20100429-M3]
at org.hornetq.ra.inflow.HornetQActivation.setup(HornetQActivation.java:287) [:6.0.0.20100429-M3]
at org.hornetq.ra.inflow.HornetQActivation$SetupActivation.run(HornetQActivation.java:502) [:6.0.0.20100429-M3]
at org.jboss.resource.work.WorkWrapper.run(WorkWrapper.java:172) [:6.0.0.20100429-M3]
at org.jboss.threads.SimpleDirectExecutor.execute(SimpleDirectExecutor.java:33) [:6.0.0.20100429-M3]
at org.jboss.threads.QueueExecutor.runTask(QueueExecutor.java:780) [:6.0.0.20100429-M3]
at org.jboss.threads.QueueExecutor.access$100(QueueExecutor.java:45) [:6.0.0.20100429-M3]
at org.jboss.threads.QueueExecutor$Worker.run(QueueExecutor.java:800) [:6.0.0.20100429-M3]
at java.lang.Thread.run(Thread.java:637) [:1.6.0_17]
at org.jboss.threads.JBossThread.run(JBossThread.java:122) [:6.0.0.20100429-M3