--- alsa-driver-1.0.12rc2/alsa-kernel/sparc/dbri.c	2006-08-24 20:33:35.000000000 +0200
+++ linux-2.6.17a/sound/sparc/dbri.c	2006-08-24 20:21:40.000000000 +0200
@@ -628,7 +628,7 @@ to send them to the DBRI.
 
 */
 
-#define MAXLOOPS 10
+#define MAXLOOPS 20
 /*
  * Wait for the current command string to execute
  */
@@ -2110,12 +2118,13 @@ static int snd_dbri_prepare(struct snd_p
 	 */
 	ret = setup_descs(dbri, DBRI_STREAMNO(substream),
 			  snd_pcm_lib_period_bytes(substream));
+	info->offset = 0;
 
 	runtime->stop_threshold = DBRI_TD_MAXCNT / runtime->channels;
 
 	spin_unlock_irq(&dbri->lock);
 
-	dprintk(D_USR, "prepare audio output. %d bytes\n", info->size);
+	dprintk(D_USR, "prepare audio output. pipe %d, %d bytes\n", info->pipe, info->size);
 	return ret;
 }
 
@@ -2150,7 +2159,7 @@ static snd_pcm_uframes_t snd_dbri_pointe
 	snd_pcm_uframes_t ret;
 
 	ret = bytes_to_frames(substream->runtime, info->offset)
-		% (substream->runtime->buffer_size + 1);
+		% substream->runtime->buffer_size;
 	dprintk(D_USR, "I/O pointer: %ld frames of %ld.\n",
 		ret, substream->runtime->buffer_size);
 	return ret;