demo: Increase tx buffer for mlkem

Author: mkj

demo/common/src/server.rs

@@ -68,7 +68,7 @@ async fn session(
     // Create the SSH instance. These buffers are for decoding/encoding
     // SSH packets.
     let mut ssh_rxbuf = [0; 2000];
-    let mut ssh_txbuf = [0; 1000];
+    let mut ssh_txbuf = [0; 2000];
     let serv = SSHServer::new(&mut ssh_rxbuf, &mut ssh_txbuf);
 
     // Create the handler. DemoCommon is common handling (this file),

demo/std/src/main.rs

@@ -117,6 +117,12 @@ impl DemoServer for StdDemo {
             Ok::<_, Error>(())
         };
 
+        let prog_loop = async {
+            if let Err(e) = prog_loop.await {
+                warn!("Exited: {e:?}");
+            }
+        };
+
         let shell_loop = async {
             let ch = chan_pipe.receive().await;