diff --git a/net/mac80211/iface.c b/net/mac80211/iface.c
index 036fa1d..9a1079f 100644
--- a/net/mac80211/iface.c
+++ b/net/mac80211/iface.c
@@ -517,6 +517,10 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up)
 	u32 changed = 0;
 	int res;
 	u32 hw_reconf_flags = 0;
+	const char *ifname = "unknown";
+
+	if (sdata->dev)
+		ifname = sdata->dev->name;
 
 	switch (sdata->vif.type) {
 	case NL80211_IFTYPE_WDS:
@@ -745,11 +749,14 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up)
 	if (sdata->vif.type == NL80211_IFTYPE_MONITOR ||
 	    sdata->vif.type == NL80211_IFTYPE_AP_VLAN) {
 		/* XXX: for AP_VLAN, actually track AP queues */
+		
+		printk("%s:%u netif_tx_start_all_queues %s\n", __func__, __LINE__, ifname);
 		netif_tx_start_all_queues(dev);
 	} else if (dev) {
 		unsigned long flags;
 		int n_acs = IEEE80211_NUM_ACS;
 		int ac;
+		int started = 0;
 
 		if (local->hw.queues < IEEE80211_NUM_ACS)
 			n_acs = 1;
@@ -762,11 +769,20 @@ int ieee80211_do_open(struct wireless_dev *wdev, bool coming_up)
 				int ac_queue = sdata->vif.hw_queue[ac];
 
 				if (local->queue_stop_reasons[ac_queue] == 0 &&
-				    skb_queue_empty(&local->pending[ac_queue]))
+				    skb_queue_empty(&local->pending[ac_queue])) {
+		//printk("%s:%u netif_start_subqueue type %u %s\n", __func__, __LINE__, sdata->vif.type, ifname);
 					netif_start_subqueue(dev, ac);
+					started = 1;
+				} else {
+		printk("%s:%u NOT netif_start_subqueue type %u stop_reasons %d queue_empty %d %s\n", __func__, __LINE__, sdata->vif.type, local->queue_stop_reasons[ac_queue], skb_queue_empty(&local->pending[ac_queue]), ifname);
+				}
 			}
+		} else {
+			printk("%s:%u NOT netif_start_subqueue type %u cab_queue %d stop_reasons %d queue_empty %d %s\n", __func__, __LINE__, sdata->vif.type, sdata->vif.cab_queue, local->queue_stop_reasons[sdata->vif.cab_queue], skb_queue_empty(&local->pending[sdata->vif.cab_queue]), ifname);
+
 		}
 		spin_unlock_irqrestore(&local->queue_stop_reason_lock, flags);
+		WARN_ON(started);
 	}
 
 	return 0;
@@ -816,6 +832,10 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
 	struct cfg80211_chan_def chandef;
 	bool cancel_scan;
 	struct cfg80211_nan_func *func;
+	const char *ifname = "unknown";
+
+	if (sdata->dev)
+		ifname = sdata->dev->name;
 
 	clear_bit(SDATA_STATE_RUNNING, &sdata->state);
 
@@ -826,8 +846,10 @@ static void ieee80211_do_stop(struct ieee80211_sub_if_data *sdata,
 	/*
 	 * Stop TX on this interface first.
 	 */
-	if (sdata->dev)
+	if (sdata->dev) {
+		printk("%s:%u netif_tx_stop_all_queues %s\n", __func__, __LINE__, ifname);
 		netif_tx_stop_all_queues(sdata->dev);
+	}
 
 	ieee80211_roc_purge(local, sdata);
 
diff --git a/net/mac80211/offchannel.c b/net/mac80211/offchannel.c
index fc2a601..6681c5c 100644
--- a/net/mac80211/offchannel.c
+++ b/net/mac80211/offchannel.c
@@ -118,6 +118,7 @@ void ieee80211_offchannel_stop_vifs(struct ieee80211_local *local)
 	 * Stop queues and transmit all frames queued by the driver
 	 * before sending nullfunc to enable powersave at the AP.
 	 */
+	printk("%s:%u ieee80211_stop_queues_by_reason\n", __func__, __LINE__);
 	ieee80211_stop_queues_by_reason(&local->hw, IEEE80211_MAX_QUEUE_MAP,
 					IEEE80211_QUEUE_STOP_REASON_OFFCHANNEL,
 					false);
@@ -183,6 +184,7 @@ void ieee80211_offchannel_return(struct ieee80211_local *local)
 	}
 	mutex_unlock(&local->iflist_mtx);
 
+	printk("%s:%u ieee80211_offchannel_return\n", __func__, __LINE__);
 	ieee80211_wake_queues_by_reason(&local->hw, IEEE80211_MAX_QUEUE_MAP,
 					IEEE80211_QUEUE_STOP_REASON_OFFCHANNEL,
 					false);
diff --git a/net/mac80211/util.c b/net/mac80211/util.c
index 73069f9..8bb0853 100644
--- a/net/mac80211/util.c
+++ b/net/mac80211/util.c
@@ -243,10 +243,15 @@ void ieee80211_propagate_queue_wake(struct ieee80211_local *local, int queue)
 {
 	struct ieee80211_sub_if_data *sdata;
 	int n_acs = IEEE80211_NUM_ACS;
+	const char *ifname = "unknown";
+
+	printk("%s:%u queue %08x\n", __func__, __LINE__, queue);
 
 	if (local->ops->wake_tx_queue)
 		return;
 
+	printk("%s:%u queue %08x\n", __func__, __LINE__, queue);
+
 	if (local->hw.queues < IEEE80211_NUM_ACS)
 		n_acs = 1;
 
@@ -256,13 +261,24 @@ void ieee80211_propagate_queue_wake(struct ieee80211_local *local, int queue)
 		if (!sdata->dev)
 			continue;
 
+		ifname = sdata->dev->name;
+
+		printk("%s:%u %s queue %08x\n", __func__, __LINE__, ifname, queue);
+
 		if (sdata->vif.cab_queue != IEEE80211_INVAL_HW_QUEUE &&
 		    local->queue_stop_reasons[sdata->vif.cab_queue] != 0)
 			continue;
 
+
+		printk("%s:%u %s\n", __func__, __LINE__, ifname);
+
 		for (ac = 0; ac < n_acs; ac++) {
 			int ac_queue = sdata->vif.hw_queue[ac];
 
+			printk("%s:%u %s queue %08x sdata->vif.hw_queue[ac] %08x\n", __func__, __LINE__, ifname, queue, ac_queue);
+			printk("%s:%u %s queue %08x local->queue_stop_reasons[ac_queue] %08x\n", __func__, __LINE__, ifname, queue, local->queue_stop_reasons[ac_queue]);
+			printk("%s:%u %s queue %08x skb_queue_empty(...) %08x\n", __func__, __LINE__, ifname, queue, skb_queue_empty(&local->pending[ac_queue]));
+
 			if (ac_queue == queue ||
 			    (sdata->vif.cab_queue == queue &&
 			     local->queue_stop_reasons[ac_queue] == 0 &&