@@ -204,15 +204,20 @@ func parseBindMountSpec(spec string) (string, string, bool, error) {

 func (container *Container) applyVolumesFrom() error {

 	volumesFrom := container.hostConfig.VolumesFrom

+	mountGroups := make([]map[string]*Mount, 0, len(volumesFrom))

+

 	for _, spec := range volumesFrom {

-		mounts, err := parseVolumesFromSpec(container.daemon, spec)

+		mountGroup, err := parseVolumesFromSpec(container.daemon, spec)

 		if err != nil {

 			return err

 		}

+		mountGroups = append(mountGroups, mountGroup)

+	}

+	for _, mounts := range mountGroups {

 		for _, mnt := range mounts {

 			mnt.container = container

-			if err = mnt.initialize(); err != nil {

+			if err := mnt.initialize(); err != nil {

 				return err

 			}

 		}

@@ -109,3 +109,31 @@ func TestStartRecordError(t *testing.T) {

 	logDone("start - set state error when start fails")

 }

+

+// gh#8726: a failed Start() breaks --volumes-from on subsequent Start()'s

+func TestStartVolumesFromFailsCleanly(t *testing.T) {

+	defer deleteAllContainers()

+

+	// Create the first data volume

+	cmd(t, "run", "-d", "--name", "data_before", "-v", "/foo", "busybox")

+

+	// Expect this to fail because the data test after contaienr doesn't exist yet

+	if _, err := runCommand(exec.Command(dockerBinary, "run", "-d", "--name", "consumer", "--volumes-from", "data_before", "--volumes-from", "data_after", "busybox")); err == nil {

+		t.Fatal("Expected error but got none")

+	}

+

+	// Create the second data volume

+	cmd(t, "run", "-d", "--name", "data_after", "-v", "/bar", "busybox")

+

+	// Now, all the volumes should be there

+	cmd(t, "start", "consumer")

+

+	// Check that we have the volumes we want

+	out, _, _ := cmd(t, "inspect", "--format='{{ len .Volumes }}'", "consumer")

+	n_volumes := strings.Trim(out, " \r\n'")

+	if n_volumes != "2" {

+		t.Fatalf("Missing volumes: expected 2, got %s", n_volumes)

+	}

+

+	logDone("start - missing containers in --volumes-from did not affect subsequent runs")

+}