Index: wctdm.c
===================================================================
--- wctdm.c	(revision 1497)
+++ wctdm.c	(working copy)
@@ -960,9 +960,10 @@
 		if (wc->mod[card].fxo.polaritydebounce < 1) {
 		    if (wc->mod[card].fxo.lastpol != wc->mod[card].fxo.polarity) {
 				if (debug)
-					printk("%lu Polarity reversed (%d -> %d)\n", jiffies, 
+					printk("%lu Polarity reversed (%d -> %d) on %d/%d\n", jiffies, 
 				       wc->mod[card].fxo.polarity, 
-				       wc->mod[card].fxo.lastpol);
+				       wc->mod[card].fxo.lastpol,
+				       wc->span.spanno, card + 1);
 				if (wc->mod[card].fxo.polarity)
 				    zt_qevent_lock(&wc->chans[card], ZT_EVENT_POLARITY);
 				wc->mod[card].fxo.polarity = wc->mod[card].fxo.lastpol;
Index: wctdm24xxp.c
===================================================================
--- wctdm24xxp.c	(revision 1497)
+++ wctdm24xxp.c	(working copy)
@@ -1193,9 +1193,10 @@
 		if (wc->mods[card].fxo.polaritydebounce < 1) {
 		    if (wc->mods[card].fxo.lastpol != wc->mods[card].fxo.polarity) {
 			if (debug)
-				printk("%lu Polarity reversed (%d -> %d)\n", jiffies, 
+				printk("%lu Polarity reversed (%d -> %d) on %d/%d\n", jiffies, 
 			       wc->mods[card].fxo.polarity, 
-			       wc->mods[card].fxo.lastpol);
+			       wc->mods[card].fxo.lastpol,
+			       wc->span.spanno, card + 1);
 			if (wc->mods[card].fxo.polarity)
 			    zt_qevent_lock(&wc->chans[card], ZT_EVENT_POLARITY);
 			wc->mods[card].fxo.polarity = wc->mods[card].fxo.lastpol;