4.9.4

internal/service/cloudapi/kvmvm/resource_compute.go

@@ -901,12 +901,17 @@ func resourceComputeUpdate(ctx context.Context, d *schema.ResourceData, m interf
 		}
 	}
 
-	// Note bene: numa_affinity, cpu_pin and hp_backed, cpu, ram are not allowed to be changed for compute in STARTED tech status.
+	// Note bene: numa_affinity, cpu_pin and hp_backed are not allowed to be changed for compute in STARTED tech status.
 	// If STARTED, we need to stop it before update
 	var isStopRequired bool
 	if d.HasChanges("numa_affinity", "cpu_pin", "hp_backed", "chipset", "preferred_cpu") && d.Get("started").(bool) {
 		isStopRequired = true
 	}
+
+	old, new := d.GetChange("cpu")
+	if old.(int) > new.(int) && d.Get("started").(bool) {
+		isStopRequired = true
+	}
 	if isStopRequired {
 		if _, err := c.CloudAPI().Compute().Stop(ctx, compute.StopRequest{ComputeID: computeRec.ID}); err != nil {
 			return diag.FromErr(err)

internal/service/cloudbroker/kvmvm/utility_compute.go

@@ -111,7 +111,13 @@ func utilityComputeResize(ctx context.Context, d *schema.ResourceData, m interfa
 	c := m.(*controller.ControllerCfg)
 	computeId, _ := strconv.ParseUint(d.Id(), 10, 64)
 
-	if d.Get("started").(bool) {
+	var isStopRequired bool
+
+	old, new := d.GetChange("cpu")
+	if d.Get("started").(bool) && (old.(int) > new.(int)) {
+		isStopRequired = true
+	}
+	if isStopRequired {
 		stopReq := compute.StopRequest{
 			ComputeID: computeId,
 			Force:     false,
@@ -176,7 +182,7 @@ func utilityComputeResize(ctx context.Context, d *schema.ResourceData, m interfa
 		}
 	}
 
-	if d.Get("started").(bool) {
+	if isStopRequired {
 		if _, err := c.CloudBroker().Compute().Start(ctx, compute.StartRequest{ComputeID: computeId}); err != nil {
 			return err
 		}