@@ -116,8 +116,7 @@ func (s *DockerSuite) TestUpdateContainerWithoutFlags(c *check.C) {

 }

 func (s *DockerSuite) TestUpdateKernelMemory(c *check.C) {

-	testRequires(c, DaemonIsLinux)

-	testRequires(c, kernelMemorySupport)

+	testRequires(c, DaemonIsLinux, kernelMemorySupport)

 	name := "test-update-container"

 	dockerCmd(c, "run", "-d", "--name", name, "--kernel-memory", "50M", "busybox", "top")

@@ -128,6 +127,12 @@ func (s *DockerSuite) TestUpdateKernelMemory(c *check.C) {

 	// Update kernel memory to a running container with failure should not change HostConfig

 	c.Assert(inspectField(c, name, "HostConfig.KernelMemory"), checker.Equals, "52428800")

+	dockerCmd(c, "pause", name)

+	_, _, err = dockerCmdWithError("update", "--kernel-memory", "100M", name)

+	c.Assert(err, check.NotNil)

+	c.Assert(inspectField(c, name, "HostConfig.KernelMemory"), checker.Equals, "52428800")

+	dockerCmd(c, "unpause", name)

+

 	dockerCmd(c, "stop", name)

 	dockerCmd(c, "update", "--kernel-memory", "100M", name)

 	dockerCmd(c, "start", name)