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From 9028873ee3bffe37b50fa7ada123fcf270de4658 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Michal=20Sekleta=CC=81r?= <msekleta@redhat.com>
Date: Fri, 5 Jun 2020 11:35:01 +0200
Subject: [PATCH] tests: sleep a bit and give kernel time to perform the action
 after manual freeze/thaw

Fixes: #16050
(cherry picked from commit a0d79df8e59c6bb6dc0382d71e835dec869a7df4)

Related: #1848421
---
 test/TEST-38-FREEZER/testsuite.sh | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/test/TEST-38-FREEZER/testsuite.sh b/test/TEST-38-FREEZER/testsuite.sh
index 6fcadb8f8e..18b7bd6dce 100755
--- a/test/TEST-38-FREEZER/testsuite.sh
+++ b/test/TEST-38-FREEZER/testsuite.sh
@@ -246,6 +246,8 @@ test_preserve_state() {
 
     echo -n "  - freeze from outside: "
     echo 1 > /sys/fs/cgroup/"${slice}"/cgroup.freeze
+    # Give kernel some time to freeze the slice
+    sleep 1
 
     # Our state should not be affected
     check_freezer_state "${slice}" "running"
@@ -258,6 +260,8 @@ test_preserve_state() {
 
     echo -n "  - thaw from outside: "
     echo 0 > /sys/fs/cgroup/"${slice}"/cgroup.freeze
+    sleep 1
+
     check_freezer_state "${unit}" "running"
     check_freezer_state "${slice}" "running"
     grep -q "frozen 0" /sys/fs/cgroup/"${slice}"/cgroup.events