diff -ur gst-plugins-good-0.10.16-old/sys/sunaudio/gstsunaudiomixer.c gst-plugins-good-0.10.16/sys/sunaudio/gstsunaudiomixer.c
--- gst-plugins-good-0.10.16-old/sys/sunaudio/gstsunaudiomixer.c	2009-08-11 06:15:55.000000000 +0800
+++ gst-plugins-good-0.10.16/sys/sunaudio/gstsunaudiomixer.c	2009-09-03 15:17:21.106331729 +0800
@@ -79,6 +79,13 @@
     case GST_STATE_CHANGE_NULL_TO_READY:
       if (!this->mixer) {
         const char *audiodev;
+	const char *utaudiodev;
+
+	utaudiodev = g_getenv ("UTAUDIODEV");
+	if (utaudiodev == NULL) {
+		//We are not on a Sun Ray, use OSS v4
+		return GST_STATE_CHANGE_FAILURE;
+	}
 
         audiodev = g_getenv ("AUDIODEV");
         if (audiodev == NULL) {