Core Machine (Operating system/System info/Roon build number)
Roon Bridge: RPi 3 B+
**$** cat /etc/os-release
PRETTY_NAME="Raspbian GNU/Linux 10 (buster)"
NAME="Raspbian GNU/Linux"
VERSION_ID="10"
VERSION="10 (buster)"
VERSION_CODENAME=buster
ID=raspbian
ID_LIKE=debian
$ cat /proc/asound/version
Advanced Linux Sound Architecture Driver Version k4.19.55-v7+.
Version 1.0 (build 169) stable
Roon Core:
Macbook Pro
macOS Catalina (10.15 Beta (19A487m)
Roon Version 1.6(build 416) stable (64bit)
Network Details (Including networking gear model/manufacturer and if on WiFi/Ethernet)
Wifi
Audio Devices (Specify what device you’re using and its connection type - USB/HDMI/etc.)
USB/ALSA/PureAudio Lotus DAC5
Description Of Issue
$ tail -f /var/log/syslog
Jun 25 20:01:17 raspberrypi kernel: [ 3404.889444] usb 1-1.1.3: 1:1: cannot set freq 44100 (v2/v3): err -110
$ cat RAATServer_log.txt
06/25 20:01:18 Error: [RAAT::Lotus DAC5] error in snd_pcm_hw_params: Protocol error (-71)
06/25 20:01:18 Warn: [RAAT::Lotus DAC5] [lua@0x7330692c] [192.168.1.19:49878] setup failed: RAAT__OUTPUT_PLUGIN_STATUS_FORMAT_NOT_SUPPORTED
06/25 20:01:18 Trace: [RAAT::Lotus DAC5] [lua@0x7330692c] [192.168.1.19:49878] SENT [11] {"status":"UnexpectedError","message":"RAAT__OUTPUT_PLUGIN_STATUS_FORMAT_NOT_SUPPORTED"}
06/25 20:01:18 Trace: [RAAT::Lotus DAC5] [lua@0x7330692c] [192.168.1.19:49878] GOT [12] {"request":"setup","format":{"sample_type":"pcm","sample_rate":44100,"bits_per_sample":32,"channels":2,"sample_subtype":"none"}}
06/25 20:01:18 Trace: [RAAT::Lotus DAC5] alsa output setup: format is pcm 44100/32/2
06/25 20:01:18 Trace: [RAAT::Lotus DAC5] opening [hw:CARD=DAC5,DEV=0] 44100/32/2
06/25 20:01:18 Trace: [RAAT::Lotus DAC5] prefer larger samples = 0
06/25 20:01:18 Trace: [RAAT::Lotus DAC5] [ALSA] [hw:CARD=DAC5,DEV=0] using hw pcmformat S32_LE bitspersample 32
06/25 20:01:18 Trace: [RAAT::Lotus DAC5] [ALSA] [hw:CARD=DAC5,DEV=0] Requesting 2 periods
06/25 20:01:18 Trace: [RAAT::Lotus DAC5] [ALSA] [hw:CARD=DAC5,DEV=0] Requesting 1764 frames/buffer (882 frames/period)
06/25 20:01:18 Trace: [RAAT::Lotus DAC5] [ALSA] [hw:CARD=DAC5,DEV=0] Initialized with 2 periods with 882 frames/period and 1764 frames/buffer
06/25 20:01:18 Error: [RAAT::Lotus DAC5] error in snd_pcm_hw_params: Protocol error (-71)
06/25 20:01:18 Warn: [RAAT::Lotus DAC5] [lua@0x7330692c] [192.168.1.19:49878] setup failed: RAAT__OUTPUT_PLUGIN_STATUS_FORMAT_NOT_SUPPORTED
06/25 20:01:18 Trace: [RAAT::Lotus DAC5] [lua@0x7330692c] [192.168.1.19:49878] SENT [12] {"status":"UnexpectedError","message":"RAAT__OUTPUT_PLUGIN_STATUS_FORMAT_NOT_SUPPORTED"}
06/25 20:01:19 Trace: [RAAT::Lotus DAC5] [lua@0x7330692c] [192.168.1.19:49878] GOT [13] {"request":"setup","format":{"sample_type":"pcm","sample_rate":44100,"bits_per_sample":32,"channels":2,"sample_subtype":"none"}}
06/25 20:01:19 Trace: [RAAT::Lotus DAC5] alsa output setup: format is pcm 44100/32/2
06/25 20:01:19 Trace: [RAAT::Lotus DAC5] opening [hw:CARD=DAC5,DEV=0] 44100/32/2
06/25 20:01:19 Trace: [RAAT::Lotus DAC5] prefer larger samples = 0
06/25 20:01:19 Trace: [RAAT::Lotus DAC5] [ALSA] [hw:CARD=DAC5,DEV=0] using hw pcmformat S32_LE bitspersample 32
06/25 20:01:19 Trace: [RAAT::Lotus DAC5] [ALSA] [hw:CARD=DAC5,DEV=0] Requesting 2 periods
06/25 20:01:19 Trace: [RAAT::Lotus DAC5] [ALSA] [hw:CARD=DAC5,DEV=0] Requesting 1764 frames/buffer (882 frames/period)
06/25 20:01:19 Trace: [RAAT::Lotus DAC5] [ALSA] [hw:CARD=DAC5,DEV=0] Initialized with 2 periods with 882 frames/period and 1764 frames/buffer
06/25 20:01:19 Error: [RAAT::Lotus DAC5] error in snd_pcm_hw_params: Protocol error (-71)
06/25 20:01:19 Warn: [RAAT::Lotus DAC5] [lua@0x7330692c] [192.168.1.19:49878] setup failed: RAAT__OUTPUT_PLUGIN_STATUS_FORMAT_NOT_SUPPORTED
06/25 20:01:19 Trace: [RAAT::Lotus DAC5] [lua@0x7330692c] [192.168.1.19:49878] SENT [13] {"status":"UnexpectedError","message":"RAAT__OUTPUT_PLUGIN_STATUS_FORMAT_NOT_SUPPORTED"}
06/25 20:01:20 Trace: [RAAT::Lotus DAC5] [lua@0x7330692c] [192.168.1.19:49878] GOT [14] {"request":"setup","format":{"sample_type":"pcm","sample_rate":44100,"bits_per_sample":32,"channels":2,"sample_subtype":"none"}}
06/25 20:01:20 Trace: [RAAT::Lotus DAC5] alsa output setup: format is pcm 44100/32/2
06/25 20:01:20 Trace: [RAAT::Lotus DAC5] opening [hw:CARD=DAC5,DEV=0] 44100/32/2
06/25 20:01:20 Trace: [RAAT::Lotus DAC5] prefer larger samples = 0
06/25 20:01:20 Trace: [RAAT::Lotus DAC5] [ALSA] [hw:CARD=DAC5,DEV=0] using hw pcmformat S32_LE bitspersample 32
06/25 20:01:20 Trace: [RAAT::Lotus DAC5] [ALSA] [hw:CARD=DAC5,DEV=0] Requesting 2 periods
06/25 20:01:20 Trace: [RAAT::Lotus DAC5] [ALSA] [hw:CARD=DAC5,DEV=0] Requesting 1764 frames/buffer (882 frames/period)
06/25 20:01:20 Trace: [RAAT::Lotus DAC5] [ALSA] [hw:CARD=DAC5,DEV=0] Initialized with 2 periods with 882 frames/period and 1764 frames/buffer
06/25 20:01:20 Error: [RAAT::Lotus DAC5] error in snd_pcm_hw_params: Protocol error (-71)
06/25 20:01:20 Warn: [RAAT::Lotus DAC5] [lua@0x7330692c] [192.168.1.19:49878] setup failed: RAAT__OUTPUT_PLUGIN_STATUS_FORMAT_NOT_SUPPORTED
06/25 20:01:20 Trace: [RAAT::Lotus DAC5] [lua@0x7330692c] [192.168.1.19:49878] SENT [14] {"status":"UnexpectedError","message":"RAAT__OUTPUT_PLUGIN_STATUS_FORMAT_NOT_SUPPORTED"}
06/25 20:01:20 Trace: [RAAT::Lotus DAC5] [lua@0x7330692c] [192.168.1.19:49878] GOT [15] {"request":"setup","format":{"sample_type":"pcm","sample_rate":44100,"bits_per_sample":32,"channels":2,"sample_subtype":"none"}}
06/25 20:01:20 Trace: [RAAT::Lotus DAC5] alsa output setup: format is pcm 44100/32/2
06/25 20:01:20 Trace: [RAAT::Lotus DAC5] opening [hw:CARD=DAC5,DEV=0] 44100/32/2
06/25 20:01:20 Trace: [RAAT::Lotus DAC5] prefer larger samples = 0
06/25 20:01:20 Trace: [RAAT::Lotus DAC5] [ALSA] [hw:CARD=DAC5,DEV=0] using hw pcmformat S32_LE bitspersample 32
06/25 20:01:20 Trace: [RAAT::Lotus DAC5] [ALSA] [hw:CARD=DAC5,DEV=0] Requesting 2 periods
06/25 20:01:20 Trace: [RAAT::Lotus DAC5] [ALSA] [hw:CARD=DAC5,DEV=0] Requesting 1764 frames/buffer (882 frames/period)
06/25 20:01:20 Trace: [RAAT::Lotus DAC5] [ALSA] [hw:CARD=DAC5,DEV=0] Initialized with 2 periods with 882 frames/period and 1764 frames/buffer