diff --git a/cmd-queue.c b/cmd-queue.c
index 217045fa..1fe34dce 100644
--- a/cmd-queue.c
+++ b/cmd-queue.c
@@ -195,6 +195,7 @@ cmdq_continue_one(struct cmd_q *cmdq)
 int
 cmdq_continue(struct cmd_q *cmdq)
 {
+	struct client           *c = cmdq->client;
 	struct cmd_q_item	*next;
 	enum cmd_retval		 retval;
 	int			 empty;
@@ -202,6 +203,9 @@ cmdq_continue(struct cmd_q *cmdq)
 	cmdq->references++;
 	notify_disable();
 
+	log_debug("continuing cmdq %p: flags=%#x, client=%d", cmdq, cmdq->flags,
+	    c != NULL ? c->ibuf.fd : -1);
+
 	empty = TAILQ_EMPTY(&cmdq->queue);
 	if (empty)
 		goto empty;