diff --git a/testsuite/src/test/java/io/netty/testsuite/transport/socket/SocketTestPermutation.java b/testsuite/src/test/java/io/netty/testsuite/transport/socket/SocketTestPermutation.java
index 34ab5d1505..1891372eb9 100644
--- a/testsuite/src/test/java/io/netty/testsuite/transport/socket/SocketTestPermutation.java
+++ b/testsuite/src/test/java/io/netty/testsuite/transport/socket/SocketTestPermutation.java
@@ -54,10 +54,11 @@ final class SocketTestPermutation {
         sbfs.add(new Factory<ServerBootstrap>() {
             @Override
             public ServerBootstrap newInstance() {
-                AioEventLoopGroup loop = new AioEventLoopGroup();
+                AioEventLoopGroup parentGroup = new AioEventLoopGroup();
+                AioEventLoopGroup childGroup = new AioEventLoopGroup();
                 return new ServerBootstrap().
-                                group(loop).
-                                channel(new AioServerSocketChannel(loop));
+                                group(parentGroup, childGroup).
+                                channel(new AioServerSocketChannel(parentGroup, childGroup));
             }
         });
         sbfs.add(new Factory<ServerBootstrap>() {
diff --git a/transport/src/main/java/io/netty/channel/socket/aio/AioServerSocketChannel.java b/transport/src/main/java/io/netty/channel/socket/aio/AioServerSocketChannel.java
index 4a83008d7b..147dff177a 100755
--- a/transport/src/main/java/io/netty/channel/socket/aio/AioServerSocketChannel.java
+++ b/transport/src/main/java/io/netty/channel/socket/aio/AioServerSocketChannel.java
@@ -43,7 +43,7 @@ public class AioServerSocketChannel extends AbstractAioChannel implements Server
     private final AioEventLoopGroup childGroup;
     private final AioServerSocketChannelConfig config;
     private boolean closed;
-    private AtomicBoolean readSuspended = new AtomicBoolean();
+    private final AtomicBoolean readSuspended = new AtomicBoolean();
 
     private final Runnable acceptTask = new Runnable() {
 
@@ -68,7 +68,7 @@ public class AioServerSocketChannel extends AbstractAioChannel implements Server
     public AioServerSocketChannel(AioEventLoopGroup parentGroup, AioEventLoopGroup childGroup) {
         super(null, null, parentGroup, newSocket(parentGroup.group));
         this.childGroup = childGroup;
-        this.config = new AioServerSocketChannelConfig(javaChannel());
+        config = new AioServerSocketChannelConfig(javaChannel());
     }
 
     @Override