I've run the testsuite on dev03 twice now and got out of memory errors (see output at end).
The testsuite is starting server 'all' with the command:

jboss-all-config-tests:
[server:start] Starting server "all" with command:
[server:start] /opt/jdk1.5.0_11/bin/java -cp /home/dtf-admin/JBPAPP-03-19-07/jboss-4.2.0.GA/bin/run.jar:/opt/jdk1.5.0_11/lib/tools.jar -Xmx128m -Djava.endorsed.dirs=/home/dtf-admin/JBPAPP-03-19-07/jboss-4.2.0.GA/lib/endorsed -Djgroups.udp.ip_ttl=0 org.jboss.Main -c all -b 10.16.6.161 -u 239.11.12.6

--------------------------- System.out -------------------------------------------------------------------------------
[junit] Tests run: 4, Failures: 0, Errors: 0, Time elapsed: 9.417 sec
[junit] Running org.jboss.test.txtimer.test.TimerSerializationTestCase
[junit] Tests run: 2, Failures: 0, Errors: 0, Time elapsed: 4.367 sec
[junit] Running org.jboss.test.txtimer.test.TransactionalTimerTestCase
[junit] Tests run: 4, Failures: 0, Errors: 0, Time elapsed: 7.285 sec
[server:stop] Shutting down server: all
[server:stop] Failed to shutdown server "all" before timeout. Destroying the process.

tests-security-manager:
[server:start] Starting server "securitymgr" with command:
[server:start] /opt/jdk1.5.0_11/bin/java -cp /home/dtf-admin/JBPAPP-03-19-07/jboss-4.2.0.GA/bin/run.jar:/opt/jdk1.5.0_11/lib/tools.jar -Xmx64m -Djboss.home.dir=/home/dtf-admin/JBPAPP-03-19-07/jboss-4.2.0.GA -Djboss.server.home.dir=/home/dtf-admin/JBPAPP-03-19-07/jboss-4.2.0.GA/server/default -Djboss.test.deploy.dir=/home/dtf-admin/JBPAPP-03-19-07/src/testsuite/output/lib -Djava.security.manager -Djava.security.policy==/home/dtf-admin/JBPAPP-03-19-07/src/testsuite/output/resources/securitymgr/server.policy -Djava.security.debug=policy org.jboss.Main -c default -b 10.16.6.161 -u 239.11.12.6
[server:start] Failed to start server "securitymgr" before timeout. Destroying the process.

BUILD FAILED
/home/dtf-admin/JBPAPP-03-19-07/src/testsuite/build.xml:714: The following error occurred while executing this line:
/home/dtf-admin/JBPAPP-03-19-07/src/testsuite/build.xml:1577: Error starting server "securitymgr": Server failed to start; see logs.

Total time: 69 minutes 57 seconds
Exiting: testsuite failed

-------------------------- output.log --------------------------------------
java.lang.OutOfMemoryError: PermGen space
18:23:08,027 ERROR [STDERR] Exception in thread "JBoss System Threads(1)-108"
18:23:08,027 WARN [RunnableTaskWrapper] Unhandled throwable for runnable: org.jnp.server.Main$BootstrapRequestHandler@8aba19
java.lang.OutOfMemoryError: PermGen space
18:23:08,027 ERROR [STDERR] java.lang.OutOfMemoryError: PermGen space
18:23:08,051 WARN [RunnableTaskWrapper] Unhandled throwable for runnable: org.jnp.server.Main$BootstrapRequestHandler@e27907
java.lang.OutOfMemoryError: PermGen space
18:23:10,282 WARN [RunnableTaskWrapper] Unhandled throwable for runnable: org.jnp.server.Main$BootstrapRequestHandler@77dcdf
java.lang.OutOfMemoryError: PermGen space
18:23:13,343 WARN [UDP] packet from 10.16.6.97:45459 has different version (12338) from ours (241). Packet is discarded
18:23:13,527 WARN [RunnableTaskWrapper] Unhandled throwable for runnable: org.jnp.server.Main$BootstrapRequestHandler@145c626
java.lang.OutOfMemoryError: PermGen space
18:23:15,412 ERROR [STDERR] Exception in thread "JBoss System Threads(1)-97"
18:23:15,412 ERROR [STDERR] java.lang.OutOfMemoryError: PermGen space
18:23:15,413 WARN [RunnableTaskWrapper] Unhandled throwable for runnable: org.jnp.server.Main$BootstrapRequestHandler@17468 97
java.lang.OutOfMemoryError: PermGen space
18:23:17,595 ERROR [STDERR] Exception in thread "JBoss System Threads(1)-107"
18:23:17,595 ERROR [STDERR] java.lang.OutOfMemoryError: PermGen space
18:23:17,818 WARN [RunnableTaskWrapper] Unhandled throwable for runnable: org.jnp.server.Main$BootstrapRequestHandler@1a02ba8
java.lang.OutOfMemoryError: PermGen space
18:23:19,634 ERROR [STDERR] Exception in thread "JBoss System Threads(1)-104"
18:23:19,634 ERROR [STDERR] java.lang.OutOfMemoryError: PermGen space
18:23:19,634 WARN [RunnableTaskWrapper] Unhandled throwable for runnable: org.jnp.server.Main$BootstrapRequestHandler@2c40a
java.lang.OutOfMemoryError: PermGen space
18:23:21,313 ERROR [STDERR] Exception in thread "JBoss System Threads(1)-110"
18:23:21,313 ERROR [STDERR] java.lang.OutOfMemoryError: PermGen space
18:23:27,676 WARN [RunnableTaskWrapper] Unhandled throwable for runnable: org.jnp.server.Main$BootstrapRequestHandler@1b184a6