diff --git a/sys/dev/sound/pcm/sound.c b/sys/dev/sound/pcm/sound.c
--- a/sys/dev/sound/pcm/sound.c
+++ b/sys/dev/sound/pcm/sound.c
@@ -574,11 +574,10 @@
 		d->rec_sysctl_tree = NULL;
 	}
 
+	pcm_killchans(d);
 	dsp_destroy_dev(dev);
 	(void)mixer_uninit(dev);
 
-	pcm_killchans(d);
-
 	PCM_LOCK(d);
 	PCM_RELEASE(d);
 	cv_destroy(&d->cv);