> If you compare the output of snd_pcm_dump() for 0.9.15 and 0.9.19 on > your card, is there any obvious difference? > > (snd_pcm_dump() is called as part of the normal setup these days and > dumped to stderr when debug logging is on. the snd_pcm_dump() output > looks like this: http://fpaste.org/X9Vh/) Nah, it's the same output. The Alsa configuration looks like a false lead. I will try to see at what point the error occurred.