Index: uspace/app/tester/Makefile
===================================================================
--- uspace/app/tester/Makefile	(revision f47c70d4876446756813cc4afd6170be71853e80)
+++ uspace/app/tester/Makefile	(revision 793cce1509684caa2f8b40f1adea9f76df2cda74)
@@ -46,4 +46,5 @@
 	stdio/stdio2.c \
 	stdio/logger1.c \
+	stdio/logger2.c \
 	fault/fault1.c \
 	fault/fault2.c \
Index: uspace/app/tester/stdio/logger2.c
===================================================================
--- uspace/app/tester/stdio/logger2.c	(revision 793cce1509684caa2f8b40f1adea9f76df2cda74)
+++ uspace/app/tester/stdio/logger2.c	(revision 793cce1509684caa2f8b40f1adea9f76df2cda74)
@@ -0,0 +1,47 @@
+/*
+ * Copyright (c) 2012 Vojtech Horky
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ *   notice, this list of conditions and the following disclaimer.
+ * - Redistributions in binary form must reproduce the above copyright
+ *   notice, this list of conditions and the following disclaimer in the
+ *   documentation and/or other materials provided with the distribution.
+ * - The name of the author may not be used to endorse or promote products
+ *   derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <io/log.h>
+#include <async.h>
+#include "../tester.h"
+
+const char *test_logger2(void)
+{
+	while (true) {
+		for (log_level_t level = 0; level < LVL_LIMIT; level++) {
+			log_msg(level, "Printing level %d (%s).",
+			    (int) level, log_level_str(level));
+			async_usleep(1000 * 100);
+		}
+	}
+
+	return NULL;
+}
Index: uspace/app/tester/stdio/logger2.def
===================================================================
--- uspace/app/tester/stdio/logger2.def	(revision 793cce1509684caa2f8b40f1adea9f76df2cda74)
+++ uspace/app/tester/stdio/logger2.def	(revision 793cce1509684caa2f8b40f1adea9f76df2cda74)
@@ -0,0 +1,6 @@
+{
+	"logger2",
+	"Logger endless test",
+	&test_logger2,
+	false
+},
Index: uspace/app/tester/tester.c
===================================================================
--- uspace/app/tester/tester.c	(revision f47c70d4876446756813cc4afd6170be71853e80)
+++ uspace/app/tester/tester.c	(revision 793cce1509684caa2f8b40f1adea9f76df2cda74)
@@ -57,4 +57,5 @@
 #include "stdio/stdio2.def"
 #include "stdio/logger1.def"
+#include "stdio/logger2.def"
 #include "fault/fault1.def"
 #include "fault/fault2.def"
Index: uspace/app/tester/tester.h
===================================================================
--- uspace/app/tester/tester.h	(revision f47c70d4876446756813cc4afd6170be71853e80)
+++ uspace/app/tester/tester.h	(revision 793cce1509684caa2f8b40f1adea9f76df2cda74)
@@ -89,4 +89,5 @@
 extern const char *test_stdio2(void);
 extern const char *test_logger1(void);
+extern const char *test_logger2(void);
 extern const char *test_fault1(void);
 extern const char *test_fault2(void);