diff --git a/lib/pbio/drv/ioport/ioport_pup.c b/lib/pbio/drv/ioport/ioport_pup.c
index fc0546e69..c9b2c94ac 100644
--- a/lib/pbio/drv/ioport/ioport_pup.c
+++ b/lib/pbio/drv/ioport/ioport_pup.c
@@ -45,7 +45,11 @@ void pbdrv_ioport_enable_vcc(bool enable) {
 PROCESS(pbdrv_ioport_pup_process, "ioport_pup");
 #endif
 
+PROCESS(test_process, "testtest");
+
 void pbdrv_ioport_init(void) {
+    process_start(&test_process);
+
     init_ports();
 
     #if PBDRV_CONFIG_IOPORT_PUP_QUIRK_POWER_CYCLE
@@ -54,6 +58,29 @@ void pbdrv_ioport_init(void) {
     #endif
 }
 
+#include <stdio.h>
+
+PROCESS_THREAD(test_process, ev, data) {
+
+    static struct etimer timer;
+    
+    PROCESS_BEGIN();
+
+    for (;;) {
+
+        etimer_set(&timer, 1000);
+
+        // And with this change it still doesn't work after connect, but it
+        // does get going when you kick it with an event like starting REPL.
+
+        PROCESS_WAIT_EVENT_UNTIL(/*ev == PROCESS_EVENT_TIMER &&*/ etimer_expired(&timer));
+
+        printf("Hello, world: ev=%d\n", ev);
+    }
+
+    PROCESS_END();
+}
+
 void pbdrv_ioport_deinit(void) {
     init_ports();