Index: uspace/srv/hid/compositor/compositor.c
===================================================================
--- uspace/srv/hid/compositor/compositor.c	(revision 03362fbdd97fb8df65b78ada498e07140aaa9080)
+++ uspace/srv/hid/compositor/compositor.c	(revision 1bd997851a8b3da2d89a5274e44fb3fe3d329d09)
@@ -2092,6 +2092,8 @@
 	/* Establish input bidirectional connection. */
 	rc = input_connect(input_svc);
-	if (rc != EOK)
+	if (rc != EOK) {
+		printf("%s: Failed to connect to input service.\n", NAME);
 		return rc;
+	}
 
 	/* Create viewports and connect them to visualizers. */
@@ -2099,4 +2101,5 @@
 	rc = loc_category_get_id("visualizer", &cat_id, IPC_FLAG_BLOCKING);
 	if (rc != EOK) {
+		printf("%s: Failed to get visualizer category.\n", NAME);
 		input_disconnect();
 		return -1;
@@ -2107,4 +2110,5 @@
 	rc = loc_category_get_svcs(cat_id, &svcs, &svcs_cnt);
 	if (rc != EOK || svcs_cnt == 0) {
+		printf("%s: Failed to get visualizer category services.\n", NAME);
 		input_disconnect();
 		return -1;
@@ -2123,4 +2127,5 @@
 	
 	if (list_empty(&viewport_list)) {
+		printf("%s: Failed to get view ports.\n", NAME);
 		input_disconnect();
 		return -1;