diff --git a/src/buffer.c b/src/buffer.c
index d9a1152..6ad8c8f 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -109,6 +109,8 @@ complete:
 
 VAStatus RequestDestroyBuffer(VADriverContextP context, VABufferID buffer_id)
 {
+	request_log("ENTER RequestDestroyBuffer(buf=%u)\n", buffer_id);
+
 	struct request_data *driver_data = context->pDriverData;
 	struct object_buffer *buffer_object;
 
@@ -128,6 +130,8 @@ VAStatus RequestDestroyBuffer(VADriverContextP context, VABufferID buffer_id)
 VAStatus RequestMapBuffer(VADriverContextP context, VABufferID buffer_id,
 			  void **data_map)
 {
+	request_log("ENTER RequestMapBuffer(buf=%u)\n", buffer_id);
+
 	struct request_data *driver_data = context->pDriverData;
 	struct object_buffer *buffer_object;
 
@@ -143,6 +147,8 @@ VAStatus RequestMapBuffer(VADriverContextP context, VABufferID buffer_id,
 
 VAStatus RequestUnmapBuffer(VADriverContextP context, VABufferID buffer_id)
 {
+	request_log("ENTER RequestUnmapBuffer(buf=%u)\n", buffer_id);
+
 	struct request_data *driver_data = context->pDriverData;
 	struct object_buffer *buffer_object;
 
@@ -245,6 +251,8 @@ VAStatus RequestAcquireBufferHandle(VADriverContextP context,
 VAStatus RequestReleaseBufferHandle(VADriverContextP context,
 	VABufferID buffer_id)
 {
+	request_log("ENTER RequestReleaseBufferHandle(buf=%u)\n", buffer_id);
+
 	struct request_data *driver_data = context->pDriverData;
 	struct object_buffer *buffer_object;
 	int export_fd;
diff --git a/src/image.c b/src/image.c
index 74b961b..cd8d9d2 100644
--- a/src/image.c
+++ b/src/image.c
@@ -125,6 +125,8 @@ VAStatus RequestCreateImage(VADriverContextP context, VAImageFormat *format,
 
 VAStatus RequestDestroyImage(VADriverContextP context, VAImageID image_id)
 {
+	request_log("ENTER RequestDestroyImage(img=%u)\n", image_id);
+
 	struct request_data *driver_data = context->pDriverData;
 	struct object_image *image_object;
 	VAStatus status;