--- src/pcm/pcm_hw.c.orig	2004-12-21 15:11:02.000000000 +0100
+++ src/pcm/pcm_hw.c	2005-04-16 19:09:11.000000000 +0200
@@ -543,6 +543,7 @@
 	assert(pcm->stream != SND_PCM_STREAM_PLAYBACK ||
 	       snd_pcm_mmap_playback_hw_avail(pcm) > 0);
 #endif
+        sync_ptr(hw, 0);
 	if (ioctl(hw->fd, SNDRV_PCM_IOCTL_START) < 0) {
 		err = -errno;
 		SYSMSG("SNDRV_PCM_IOCTL_START failed");