diff --git a/iiod-responder.c b/iiod-responder.c
index d67d0d212..337c91343 100644
--- a/iiod-responder.c
+++ b/iiod-responder.c
@@ -13,6 +13,7 @@
 #include <iio/iio.h>
 #include <iio/iio-backend.h>
 #include <iio/iio-lock.h>
+#include <pthread.h>
 #include <string.h>
 #ifdef _WIN32
 #include <Windows.h>
@@ -158,9 +159,11 @@ static ssize_t iiod_rw_all(struct iiod_responder *priv,
 			ret = priv->ops->read(priv->d, curr, nb);
 		else
 			ret = priv->ops->write(priv->d, curr, nb);
-		if (ret <= 0)
+		if (ret <= 0) {
+			printf("Got an error or stop event(%zd) (%lu)\n", ret,
+			       pthread_self());
 			return ret;
-
+		}
 		while (ret && (size_t) ret >= curr->size) {
 			ret -= curr->size;
 			count += curr->size;
diff --git a/iiod/ops.c b/iiod/ops.c
index f34414a72..96c5dcf04 100644
--- a/iiod/ops.c
+++ b/iiod/ops.c
@@ -1593,6 +1593,7 @@ void ascii_interpreter(struct parser_pdata *pdata)
 	int ret;
 
 	yylex_init_extra(pdata, &scanner);
+	printf("ascii proto... binary=%d\n", pdata->binary);
 
 	do {
 		ret = yyparse(scanner);