diff --unified --recursive --text package.orig/frontend/saned.c package.new/frontend/saned.c
--- package.orig/frontend/saned.c	2021-07-03 17:12:37.663948370 +0200
+++ package.new/frontend/saned.c	2021-07-03 17:13:12.937282768 +0200
@@ -1849,7 +1849,7 @@
 
 	reply.status =
 	  sane_get_devices ((const SANE_Device ***) &reply.device_list,
-			    SANE_TRUE);
+			    SANE_FALSE);
 	sanei_w_reply (w, (WireCodecFunc) sanei_w_get_devices_reply, &reply);
       }
       break;
diff --unified --recursive --text package.orig/sanei/sanei_tcp.c package.new/sanei/sanei_tcp.c
--- package.orig/sanei/sanei_tcp.c	2021-07-03 17:12:37.667281705 +0200
+++ package.new/sanei/sanei_tcp.c	2021-07-03 17:16:14.340621593 +0200
@@ -44,6 +44,7 @@
 #include <stdlib.h>
 #include <string.h>
 #include <limits.h>
+#include <time.h>
 
 #ifndef SSIZE_MAX
 #define SSIZE_MAX LONG_MAX
@@ -128,6 +129,7 @@
 {
 	size_t bytes_recv = 0;
 	ssize_t rc = 1;
+	int retry = 5;
 
 	if (count > SSIZE_MAX) {
 		errno = EINVAL;
@@ -137,9 +139,22 @@
 	while (bytes_recv < count && rc > 0)
 	{
 		rc = recv(fd, buf+bytes_recv, count-bytes_recv, 0);
-		if (rc > 0)
-		  bytes_recv += rc;
+		DBG(1, "%s: bytes received %d\n", __FUNCTION__, rc);
 
+		if (rc > 0) {
+			bytes_recv += rc;
+		} else {
+			if ( errno == EAGAIN && retry-- ) {
+				DBG(1, "%s: waiting  %d\n", __FUNCTION__, retry);
+				/* wait for max 1s */
+				struct timespec req;
+				struct timespec rem;
+				req.tv_sec = 0;
+				req.tv_nsec= 100000000;
+				nanosleep(&req, &rem);
+				rc = 1;
+			}
+		}
 	}
 	return bytes_recv;
 }