Out Of Memory Errors

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