diff --git a/testing/drivertest/Makefile b/testing/drivertest/Makefile
index bc4a5ecf49..62d73bc40c 100644
--- a/testing/drivertest/Makefile
+++ b/testing/drivertest/Makefile
@@ -36,9 +36,11 @@ MAINSRC  += drivertest_block.c
 endif
 
 ifneq ($(CONFIG_RTC),)
+ifneq ($(CONFIG_SIG_EVTHREAD),)
 MAINSRC  += drivertest_rtc.c
 PROGNAME += cmocka_driver_rtc
 endif
+endif
 
 ifneq ($(CONFIG_TIMER),)
 MAINSRC  += drivertest_timer.c
diff --git a/testing/drivertest/drivertest_timer.c b/testing/drivertest/drivertest_timer.c
index 7e25e9bd29..cd29d90d19 100644
--- a/testing/drivertest/drivertest_timer.c
+++ b/testing/drivertest/drivertest_timer.c
@@ -38,7 +38,7 @@
 #include <setjmp.h>
 #include <stdint.h>
 #include <cmocka.h>
-
+#include <syslog.h>
 #include <nuttx/timers/timer.h>
 
 /****************************************************************************
@@ -48,8 +48,8 @@
 #define TIMER_DEFAULT_DEVPATH "/dev/timer0"
 #define TIMER_DEFAULT_INTERVAL 1000000
 #define TIMER_DEFAULT_NSAMPLES 20
-#define TIMER_DEFAULT_SIGNO 32
-#define TIMER_DEFAULT_RANGE 1
+#define TIMER_DEFAULT_SIGNO 31
+#define TIMER_DEFAULT_RANGE 1000
 
 #define OPTARG_TO_VALUE(value, type, base)                            \
   do                                                                  \
@@ -209,8 +209,10 @@ static void test_case_timer(FAR void **state)
   int ret;
   uint32_t range;
   uint32_t tim;
+  uint32_t max_timeout;
   struct sigaction act;
   struct timer_notify_s notify;
+  struct timer_status_s timer_status;
   FAR struct timer_state_s *timer_state;
 
   timer_state = (FAR struct timer_state_s *)*state;
@@ -251,6 +253,20 @@ static void test_case_timer(FAR void **state)
   ret = ioctl(fd, TCIOC_START, 0);
   assert_return_code(ret, OK);
 
+  /* Get status */
+
+  ret = ioctl(fd, TCIOC_GETSTATUS, &timer_status);
+  assert_return_code(ret, OK);
+  assert_int_equal(timer_state->interval, timer_status.timeout);
+  assert_in_range(timer_status.timeleft,
+                  0, timer_state->interval);
+
+  /* Get max timeout */
+
+  ret = ioctl(fd, TCIOC_MAXTIMEOUT, &max_timeout);
+  assert_return_code(ret, OK);
+  syslog(LOG_DEBUG, "max timeout:%ld\n", max_timeout);
+
   /* Set the timer interval */
 
   for (i = 0; i < timer_state->nsamples; i++)
@@ -258,7 +274,7 @@ static void test_case_timer(FAR void **state)
       tim = get_timestamp();
       usleep(2 * timer_state->interval);
       tim = get_timestamp() - tim;
-      range = timer_state->interval / 1000 - tim;
+      range = abs(timer_state->interval / 1000 - tim);
       assert_in_range(range, 0, timer_state->range);
     }