diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c
index 1f117a49c569422ae31a0d6f69a0fa2ea11a8f9b..c734c5f7e9761463b9aa27f54e2e900a9695997a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-tx.c
@@ -1170,8 +1170,10 @@ int iwl_tx_agg_start(struct iwl_priv *priv, const u8 *ra, u16 tid, u16 *ssn)
 			__func__, ra, tid);
 
 	sta_id = iwl_find_station(priv, ra);
-	if (sta_id == IWL_INVALID_STATION)
+	if (sta_id == IWL_INVALID_STATION) {
+		IWL_ERR(priv, "Start AGG on invalid station\n");
 		return -ENXIO;
+	}
 
 	if (priv->stations[sta_id].tid[tid].agg.state != IWL_AGG_OFF) {
 		IWL_ERR(priv, "Start AGG when state is not IWL_AGG_OFF !\n");
@@ -1179,8 +1181,10 @@ int iwl_tx_agg_start(struct iwl_priv *priv, const u8 *ra, u16 tid, u16 *ssn)
 	}
 
 	txq_id = iwl_txq_ctx_activate_free(priv);
-	if (txq_id == -1)
+	if (txq_id == -1) {
+		IWL_ERR(priv, "No free aggregation queue available\n");
 		return -ENXIO;
+	}
 
 	spin_lock_irqsave(&priv->sta_lock, flags);
 	tid_data = &priv->stations[sta_id].tid[tid];
@@ -1194,7 +1198,7 @@ int iwl_tx_agg_start(struct iwl_priv *priv, const u8 *ra, u16 tid, u16 *ssn)
 		return ret;
 
 	if (tid_data->tfds_in_queue == 0) {
-		IWL_ERR(priv, "HW queue is empty\n");
+		IWL_DEBUG_HT(priv, "HW queue is empty\n");
 		tid_data->agg.state = IWL_AGG_ON;
 		ieee80211_start_tx_ba_cb_irqsafe(priv->hw, ra, tid);
 	} else {