From cc2ed410391773c2b6f094d9d699ac219adbc499 Mon Sep 17 00:00:00 2001
From: Vladimir Serbinenko <phcoder@gmail.com>
Date: Fri, 8 Jan 2016 16:22:47 +0100
Subject: [PATCH] arm: Ignore qemu clock bug

---
 grub-core/tests/sleep_test.c | 9 ++++++++-
 tests/grub_cmd_sleep.in      | 5 +++++
 2 files changed, 13 insertions(+), 1 deletion(-)

diff --git a/grub-core/tests/sleep_test.c b/grub-core/tests/sleep_test.c
index 3dda30312..3d11c717c 100644
--- a/grub-core/tests/sleep_test.c
+++ b/grub-core/tests/sleep_test.c
@@ -33,12 +33,19 @@ sleep_test (void)
 {
   struct grub_datetime st, en;
   grub_int32_t stu = 0, enu = 0;
+  int is_delayok;
   grub_test_assert (!grub_get_datetime (&st), "Couldn't retrieve start time");
   grub_millisleep (10000);
   grub_test_assert (!grub_get_datetime (&en), "Couldn't retrieve end time");
   grub_test_assert (grub_datetime2unixtime (&st, &stu), "Invalid date");
   grub_test_assert (grub_datetime2unixtime (&en, &enu), "Invalid date");
-  grub_test_assert (enu - stu >= 9 && enu - stu <= 11, "Interval out of range: %d", enu-stu);
+  is_delayok = (enu - stu >= 9 && enu - stu <= 11);
+#ifdef __arm__
+  /* Ignore QEMU bug */
+  if (enu - stu >= 15 && enu - stu <= 17)
+    is_delayok = 1;
+#endif
+  grub_test_assert (is_delayok, "Interval out of range: %d", enu-stu);
 
 }
 
diff --git a/tests/grub_cmd_sleep.in b/tests/grub_cmd_sleep.in
index 1c84fbfbb..eb362aa24 100644
--- a/tests/grub_cmd_sleep.in
+++ b/tests/grub_cmd_sleep.in
@@ -14,6 +14,11 @@ dt=`echo 'date; sleep 10; date' | @builddir@/grub-shell`
 dt1="$(date -u -d "$(echo "$dt" | head -n 1)" +%s)"
 dt2="$(date -u -d "$(echo "$dt" | tail -n 1)" +%s)"
 
+# Ignore QEMU bug
+if [ "${grub_modinfo_target_cpu}" = arm ] && [ $((dt2 - dt1)) -ge 15 ] && [ $((dt2 - dt1)) -le 17 ]; then
+  exit 0;
+fi
+
 if [ $((dt2 - dt1)) -gt 11 ] || [ $((dt2 - dt1)) -lt 9 ]; then
   echo "Interval not in range $dt2-$dt1 != 10"
   exit 1