Index: uspace/drv/audio/sb16/dma.h
===================================================================
--- uspace/drv/audio/sb16/dma.h	(revision 9d5244fd104898d1d0d275129054c90657045bc8)
+++ uspace/drv/audio/sb16/dma.h	(revision bb4c141c6ff2eab8180bfc82cf32ac74f00e851d)
@@ -41,4 +41,6 @@
 #include <as.h>
 
+#include "ddf_log.h"
+
 #define DMA_ALIGNENT 1024
 
@@ -70,4 +72,7 @@
 	    as_area_create(AS_AREA_ANY, size, AS_AREA_READ | AS_AREA_WRITE);
 	bzero(address, size);
+	uintptr_t ptr = 0;
+	as_get_physical_mapping(address, &ptr);
+	ddf_log_debug2("Buffer mapped at %x.", ptr);
 	return address;
 }
Index: uspace/drv/audio/sb16/dsp.c
===================================================================
--- uspace/drv/audio/sb16/dsp.c	(revision 9d5244fd104898d1d0d275129054c90657045bc8)
+++ uspace/drv/audio/sb16/dsp.c	(revision bb4c141c6ff2eab8180bfc82cf32ac74f00e851d)
@@ -191,5 +191,5 @@
 	assert(dsp);
 	if (dsp->event_exchange) {
-		ddf_log_verbose("Sending interrupt event.");
+//		ddf_log_verbose("Sending interrupt event.");
 		async_msg_0(dsp->event_exchange, IPC_FIRST_USER_METHOD);
 	} else {