journalctl --no-pager | grep audio
Apr 20 18:30:42 silk systemd[1]: Started pulseaudio server.
Apr 20 18:30:42 silk systemd[1]: Starting pulseaudio server...
Apr 20 18:30:46 silk systemd[285]: Started pulseaudio server.
Apr 20 18:30:46 silk systemd[285]: Starting pulseaudio server...
Apr 20 18:30:46 silk pulseaudio[290]: W: [pulseaudio] main.c: This program is not intended to be run as root (unless --system is specified).
Apr 20 18:30:46 silk pulseaudio[290]: E: [pulseaudio] socket-server.c: socket(PF_INET6): Address family not supported by protocol
Apr 20 18:30:46 silk pulseaudio[290]: E: [pulseaudio] module.c: Failed to load module "module-alsa-sink" (argument: "sink_name=master device=hw:0,0"): initialization failed.
Apr 20 18:30:46 silk pulseaudio[290]: E: [pulseaudio] main.c: Module load failed.
Apr 20 18:30:46 silk pulseaudio[290]: E: [pulseaudio] main.c: Failed to initialize daemon.
Apr 20 18:30:46 silk systemd[285]: pulseaudio.service: main process exited, code=exited, status=1/FAILURE
Apr 20 18:30:46 silk systemd[285]: Unit pulseaudio.service entered failed state.
Apr 20 18:30:46 silk systemd[285]: pulseaudio.service failed.
Apr 20 18:30:51 silk systemd[285]: pulseaudio.service holdoff time over, scheduling restart.
Apr 20 18:30:51 silk systemd[285]: Started pulseaudio server.
Apr 20 18:30:51 silk systemd[285]: Starting pulseaudio server...
Apr 20 18:30:51 silk pulseaudio[343]: W: [pulseaudio] main.c: This program is not intended to be run as root (unless --system is specified).
Apr 20 18:30:51 silk pulseaudio[343]: E: [pulseaudio] socket-server.c: socket(PF_INET6): Address family not supported by protocol
Apr 20 18:30:51 silk pulseaudio[343]: W: [pulseaudio] module-remap-sink.c: No remapping configured, proceeding nonetheless!
Apr 20 18:30:51 silk pulseaudio[343]: W: [pulseaudio] module-remap-sink.c: No remapping configured, proceeding nonetheless!
Apr 20 18:30:51 silk pulseaudio[343]: E: [pulseaudio] main.c: Source null-monitor does not exist.
Apr 20 18:31:29 silk AudioManagerMonitor[349]: FILE NAME :  "audio/media.wav"  , Exists =  true
Apr 20 18:31:30 silk AudioManagerMonitor[349]: qml: Object item: name = :/audio/media.wav
Apr 20 18:31:30 silk AudioManagerMonitor[349]: qml: Object item: name = :/audio/media.wav
Apr 20 18:31:35 silk AudioManagerMonitor[349]: FILE NAME :  "audio/navigation.wav"  , Exists =  true
Apr 20 18:31:35 silk AudioManagerMonitor[349]: qml: Object item: name = :/audio/navigation.wav
Apr 20 18:31:35 silk AudioManagerMonitor[349]: qml: Object item: name = :/audio/navigation.wav
Apr 20 18:31:36 silk pulseaudio[343]: E: [alsa-sink-rsnd-dai.0-ak4642-hifi ak4642-hifi-0] alsa-sink.c: ALSA woke us up to write new data to the device, but there was actually nothing to write!
Apr 20 18:31:36 silk pulseaudio[343]: E: [alsa-sink-rsnd-dai.0-ak4642-hifi ak4642-hifi-0] alsa-sink.c: Most likely this is a bug in the ALSA driver '(null)'. Please report this issue to the ALSA developers.
Apr 20 18:31:36 silk pulseaudio[343]: E: [alsa-sink-rsnd-dai.0-ak4642-hifi ak4642-hifi-0] alsa-sink.c: We were woken up with POLLOUT set -- however a subsequent snd_pcm_avail() returned 0 or another value < min_avail.
Apr 20 18:31:37 silk AudioManagerMonitor[349]: qml: Object item: name = :/audio/media.wav
Apr 20 18:31:38 silk AudioManagerMonitor[349]: qml: Object item: name = :/audio/navigation.wav
Apr 20 18:31:38 silk AudioManagerMonitor[349]: qml: Object item: name = :/audio/navigation.wav
Apr 20 18:31:40 silk AudioManagerMonitor[349]: FILE NAME :  "audio/telephone-ring.wav"  , Exists =  true
Apr 20 18:31:40 silk AudioManagerMonitor[349]: qml: Object item: name = :/audio/telephone-ring.wav
Apr 20 18:31:40 silk AudioManagerMonitor[349]: qml: Object item: name = :/audio/telephone-ring.wav
Apr 20 18:31:41 silk AudioManagerMonitor[349]: FILE NAME :  "audio/tts.wav"  , Exists =  true
Apr 20 18:31:42 silk AudioManagerMonitor[349]: qml: Object item: name = :/audio/tts.wav
Apr 20 18:31:43 silk AudioManagerMonitor[349]: FILE NAME :  "audio/car_reverse.wav"  , Exists =  true
Apr 20 18:31:43 silk AudioManagerMonitor[349]: qml: Object item: name = :/audio/car_reverse.wav
Apr 20 18:31:44 silk AudioManagerMonitor[349]: qml: Object item: name = :/audio/car_reverse.wav
Apr 20 18:31:44 silk AudioManagerMonitor[349]: qml: Object item: name = :/audio/car_reverse.wav
Apr 20 18:31:44 silk AudioManagerMonitor[349]: qml: Object item: name = :/audio/car_reverse.wav
Apr 20 18:31:45 silk AudioManagerMonitor[349]: qml: Object item: name = :/audio/tts.wav
Apr 20 18:31:45 silk AudioManagerMonitor[349]: qml: Object item: name = :/audio/tts.wav
Apr 20 18:31:45 silk AudioManagerMonitor[349]: qml: Object item: name = :/audio/tts.wav
Apr 20 18:31:46 silk AudioManagerMonitor[349]: qml: Object item: name = :/audio/telephone-ring.wav
Apr 20 18:31:46 silk AudioManagerMonitor[349]: qml: Object item: name = :/audio/telephone-ring.wav
Apr 20 18:31:48 silk AudioManagerMonitor[349]: qml: Object item: name = :/audio/media.wav
Apr 20 18:31:48 silk AudioManagerMonitor[349]: qml: Object item: name = :/audio/media.wav
Apr 20 18:31:49 silk AudioManagerMonitor[349]: qml: Object item: name = :/audio/media.wav
Apr 20 18:31:55 silk AudioManagerMonitor[349]: qml: Object item: name = :/audio/navigation.wav
Apr 20 18:31:55 silk AudioManagerMonitor[349]: qml: Object item: name = :/audio/navigation.wav
Apr 20 18:31:56 silk AudioManagerMonitor[349]: qml: Object item: name = :/audio/tts.wav
Apr 20 18:31:56 silk AudioManagerMonitor[349]: qml: Object item: name = :/audio/tts.wav
Apr 20 18:31:56 silk AudioManagerMonitor[349]: qml: Object item: name = :/audio/tts.wav
Apr 20 18:32:00 silk AudioManagerMonitor[349]: qml: Object item: name = :/audio/tts.wav
Apr 20 18:32:00 silk AudioManagerMonitor[349]: qml: Object item: name = :/audio/tts.wav
Apr 20 18:32:00 silk AudioManagerMonitor[349]: qml: Object item: name = :/audio/tts.wav
Apr 20 18:32:00 silk AudioManagerMonitor[349]: qml: Object item: name = :/audio/navigation.wav
Apr 20 18:32:02 silk AudioManagerMonitor[349]: qml: Object item: name = :/audio/navigation.wav
Apr 20 18:32:34 silk AudioManagerMonitor[349]: qml: Object item: name = :/audio/media.wav
Apr 20 18:32:34 silk AudioManagerMonitor[349]: qml: Object item: name = :/audio/media.wav
Apr 20 18:32:35 silk AudioManagerMonitor[349]: qml: Object item: name = :/audio/media.wav
Apr 20 18:32:35 silk AudioManagerMonitor[349]: qml: Object item: name = :/audio/telephone-ring.wav
Apr 20 18:32:35 silk AudioManagerMonitor[349]: qml: Object item: name = :/audio/telephone-ring.wav
Apr 20 18:32:36 silk AudioManagerMonitor[349]: qml: Object item: name = :/audio/car_reverse.wav
root@silk:~#