I have a similar problem as well. Sound disappears, the logs look like this:
/var/log/messages:
Jun 20 01:54:27 ubuntu pulseaudio[6479]: sink-input.c: Failed to create sink input: too many inputs per sink.
Jun 20 01:54:40 ubuntu pulseaudio[6479]: sink-input.c: Failed to create sink input: too many inputs per sink.
Jun 20 02:02:23 ubuntu pulseaudio[6479]: sink-input.c: Failed to create sink input: too many inputs per sink.
/var/log/mpd/errors.log:
Jun 20 02:48: Error opening alsa device "default": Device or resource busy
ALSA lib pcm_dmix.c: 874: (snd_pcm_dmix_open) unable to open slave
Jun 20 02:48: Error opening alsa device "default": Device or resource busy
Jun 20 02:48: problems opening audio device while playing "http://205.188.215.225:8018"
ALSA lib pcm_dmix.c: 874: (snd_pcm_dmix_open) unable to open slave
Jun 20 02:48: Error opening alsa device "default": Device or resource busy
Jun 20 02:48: problems opening audio device while playing "http://205.188.215.225:8018"
ALSA lib pcm_dmix.c: 874: (snd_pcm_dmix_open) unable to open slave
Jun 20 02:48: Error opening alsa device "default": Device or resource busy
Jun 20 02:48: problems opening audio device while playing "http://205.188.215.225:8018"
I have a similar problem as well. Sound disappears, the logs look like this:
/var/log/messages:
Jun 20 01:54:27 ubuntu pulseaudio[6479]: sink-input.c: Failed to create sink input: too many inputs per sink.
Jun 20 01:54:40 ubuntu pulseaudio[6479]: sink-input.c: Failed to create sink input: too many inputs per sink.
Jun 20 02:02:23 ubuntu pulseaudio[6479]: sink-input.c: Failed to create sink input: too many inputs per sink.
/var/log/ mpd/errors. log: 205.188. 215.225: 8018" 205.188. 215.225: 8018" 205.188. 215.225: 8018"
Jun 20 02:48: Error opening alsa device "default": Device or resource busy
ALSA lib pcm_dmix.c: 874: (snd_pcm_dmix_open) unable to open slave
Jun 20 02:48: Error opening alsa device "default": Device or resource busy
Jun 20 02:48: problems opening audio device while playing "http://
ALSA lib pcm_dmix.c: 874: (snd_pcm_dmix_open) unable to open slave
Jun 20 02:48: Error opening alsa device "default": Device or resource busy
Jun 20 02:48: problems opening audio device while playing "http://
ALSA lib pcm_dmix.c: 874: (snd_pcm_dmix_open) unable to open slave
Jun 20 02:48: Error opening alsa device "default": Device or resource busy
Jun 20 02:48: problems opening audio device while playing "http://
lspci:
00:1 b.0 Audio device: Intel Corporation 82801H (ICH8 Family) HD Audio Controller (rev 02)