Index: uspace/drv/intctl/apic/apic.c
===================================================================
--- uspace/drv/intctl/apic/apic.c	(revision ce96ec2299b06e284c79c869211af878c35567d6)
+++ uspace/drv/intctl/apic/apic.c	(revision f77c1c90c1f223647872d5cefa2d86f63bc846d7)
@@ -45,4 +45,5 @@
 #include <stdbool.h>
 #include <errno.h>
+#include <str_error.h>
 #include <async.h>
 #include <stdio.h>
@@ -237,5 +238,5 @@
 	rc = ddf_fun_bind(fun_a);
 	if (rc != EOK) {
-		ddf_msg(LVL_ERROR, "Failed binding function 'a'. (%d)", rc);
+		ddf_msg(LVL_ERROR, "Failed binding function 'a': %s", str_error(rc));
 		goto error;
 	}
Index: uspace/drv/intctl/i8259/i8259.c
===================================================================
--- uspace/drv/intctl/i8259/i8259.c	(revision ce96ec2299b06e284c79c869211af878c35567d6)
+++ uspace/drv/intctl/i8259/i8259.c	(revision f77c1c90c1f223647872d5cefa2d86f63bc846d7)
@@ -45,4 +45,5 @@
 #include <stdbool.h>
 #include <errno.h>
+#include <str_error.h>
 #include <async.h>
 #include <stdio.h>
@@ -170,5 +171,5 @@
 	rc = ddf_fun_bind(fun_a);
 	if (rc != EOK) {
-		ddf_msg(LVL_ERROR, "Failed binding function 'a'. (%d)", rc);
+		ddf_msg(LVL_ERROR, "Failed binding function 'a': %s", str_error(rc));
 		goto error;
 	}
Index: uspace/drv/intctl/icp-ic/icp-ic.c
===================================================================
--- uspace/drv/intctl/icp-ic/icp-ic.c	(revision ce96ec2299b06e284c79c869211af878c35567d6)
+++ uspace/drv/intctl/icp-ic/icp-ic.c	(revision f77c1c90c1f223647872d5cefa2d86f63bc846d7)
@@ -41,4 +41,5 @@
 #include <ddf/log.h>
 #include <errno.h>
+#include <str_error.h>
 #include <ipc/irc.h>
 #include <stdint.h>
@@ -136,5 +137,5 @@
 	rc = ddf_fun_bind(fun_a);
 	if (rc != EOK) {
-		ddf_msg(LVL_ERROR, "Failed binding function 'a'. (%d)", rc);
+		ddf_msg(LVL_ERROR, "Failed binding function 'a': %s", str_error(rc));
 		goto error;
 	}
Index: uspace/drv/intctl/obio/obio.c
===================================================================
--- uspace/drv/intctl/obio/obio.c	(revision ce96ec2299b06e284c79c869211af878c35567d6)
+++ uspace/drv/intctl/obio/obio.c	(revision f77c1c90c1f223647872d5cefa2d86f63bc846d7)
@@ -47,4 +47,5 @@
 #include <ddi.h>
 #include <errno.h>
+#include <str_error.h>
 #include <inttypes.h>
 #include <ipc/irc.h>
@@ -138,5 +139,5 @@
 	rc = ddf_fun_bind(fun_a);
 	if (rc != EOK) {
-		ddf_msg(LVL_ERROR, "Failed binding function 'a'. (%d)", rc);
+		ddf_msg(LVL_ERROR, "Failed binding function 'a': %s", str_error(rc));
 		goto error;
 	}