--- alsa-lib-1.0.6/src/pcm/pcm.c	2004-05-04 16:13:23.000000000 +0100
+++ alsa-lib-1.0.6.new/src/pcm/pcm.c	2004-11-11 23:46:13.318671120 +0000
@@ -2091,7 +2091,7 @@
 		}
 	}
 	err = snd_pcm_poll_descriptors(pcm, &pfd, 1);
-	assert(err == 1);
+	if (err <= 0) return err;
       __retry:
 	err_poll = poll(&pfd, 1, timeout);
 	if (err_poll < 0)