I did a whole run on Linux w/o libaio and the following tests fail: JMSTest - test_Asynchronous_to_Client DuplicateDetectionTest - testNoPersistXA1 LargeMessageTest - testFilePersistenceBlockedPreACKXA - testFilePersistenceBlockedPreACKXAConsumer - testSendRollbackXA - testSimpleRollbackXA XALargeMessageMultiThreadFailoverTest - testC - testD - testG - testH ScheduledMessageTest - testScheduledDeliveryTX LVQRecoveryTest - testManyMessagesReceivedWithRollback BasicXaRecoveryTest - testNonPersistent - testNonPersistentMultipleIDs I did not count the AIO integration tests which are expected to fail in that case View the original post : http://www.jboss.org/index.html?module=bb&op=viewtopic&p=4241979#... Reply to the post : http://www.jboss.org/index.html?module=bb&op=posting&mode=reply&a...