Hi @Eric,
Here are my settings:
And Roon diagnostics form microrendu:
11/01/2016 11:26:00 - ------------------------------------------------------------
11/01/2016 11:26:00 - /opt/RoonReady/raatool logdump 252dd1df-b3c4-4b4b-b05c-d3862fcbc1cd
[0000000] 0.004 TRACE [info] initializing info dictionary
[0000001] 0.006 TRACE [info] inserting raat_version -> 1.1.8
[0000002] 0.025 TRACE [info] inserting protocol_version -> 3
[0000003] 0.045 TRACE [output/alsa] initializing output uniqueid=hw:0,0
[0000004] 0.045 TRACE [output/alsa] preferred buffer duration=0.100000s
[0000005] 0.045 TRACE [output/alsa] force_max_volume=0
[0000006] 0.045 TRACE [output/alsa] resync delay=0.100000s
[0000007] 0.045 TRACE [ALSA] max pcm rate=768000
[0000008] 0.045 TRACE [output/alsa] max dsd rate=256
[0000009] 0.045 TRACE [output/alsa] dsd_mode=none
[0000010] 0.045 TRACE [output/alsa] getting hardware info
[0000011] 0.047 TRACE pcm card id B20
[0000012] 0.047 TRACE pcm card name Bryston USB Audio 2.0
[0000013] 0.047 TRACE pcm card longname Bryston Bryston USB Audio 2.0 at usb-ci_hdrc.1-1.1, high speed
[0000014] 0.047 TRACE pcm card mixername USB Mixer
[0000015] 0.047 TRACE pcm card components USB1db5:0001
[0000016] 0.047 TRACE pcm card driver USB-Audio
[0000017] 0.047 TRACE pcm card usb id 1db5:0001
[0000018] 0.047 TRACE [output/alsa] probing formats
[0000019] 0.054 TRACE [alsa] [hw:0,0] probing formats
[0000020] 0.054 TRACE [alsa] [hw:0,0] device supports channels range 2-2
[0000021] 0.054 TRACE [alsa] [hw:0,0] supports PCM format 44100/16/1
[0000022] 0.054 TRACE [alsa] [hw:0,0] supports PCM format 44100/24/1
[0000023] 0.054 TRACE [alsa] [hw:0,0] supports PCM format 44100/32/1
[0000024] 0.054 TRACE [alsa] [hw:0,0] supports PCM format 48000/16/1
[0000025] 0.054 TRACE [alsa] [hw:0,0] supports PCM format 48000/24/1
[0000026] 0.054 TRACE [alsa] [hw:0,0] supports PCM format 48000/32/1
[0000027] 0.054 TRACE [alsa] [hw:0,0] supports PCM format 88200/16/1
[0000028] 0.054 TRACE [alsa] [hw:0,0] supports PCM format 88200/24/1
[0000029] 0.054 TRACE [alsa] [hw:0,0] supports PCM format 88200/32/1
[0000030] 0.055 TRACE [alsa] [hw:0,0] supports PCM format 96000/16/1
[0000031] 0.055 TRACE [alsa] [hw:0,0] supports PCM format 96000/24/1
[0000032] 0.055 TRACE [alsa] [hw:0,0] supports PCM format 96000/32/1
[0000033] 0.055 TRACE [alsa] [hw:0,0] supports PCM format 176400/16/1
[0000034] 0.055 TRACE [alsa] [hw:0,0] supports PCM format 176400/24/1
[0000035] 0.055 TRACE [alsa] [hw:0,0] supports PCM format 176400/32/1
[0000036] 0.055 TRACE [alsa] [hw:0,0] supports PCM format 192000/16/1
[0000037] 0.055 TRACE [alsa] [hw:0,0] supports PCM format 192000/24/1
[0000038] 0.055 TRACE [alsa] [hw:0,0] supports PCM format 192000/32/1
[0000039] 0.056 TRACE [alsa] [hw:0,0] supports PCM format 44100/16/2
[0000040] 0.056 TRACE [alsa] [hw:0,0] supports PCM format 44100/24/2
[0000041] 0.056 TRACE [alsa] [hw:0,0] supports PCM format 44100/32/2
[0000042] 0.056 TRACE [alsa] [hw:0,0] supports PCM format 48000/16/2
[0000043] 0.057 TRACE [alsa] [hw:0,0] supports PCM format 48000/24/2
[0000044] 0.057 TRACE [alsa] [hw:0,0] supports PCM format 48000/32/2
[0000045] 0.057 TRACE [alsa] [hw:0,0] supports PCM format 88200/16/2
[0000046] 0.057 TRACE [alsa] [hw:0,0] supports PCM format 88200/24/2
[0000047] 0.057 TRACE [alsa] [hw:0,0] supports PCM format 88200/32/2
[0000048] 0.057 TRACE [alsa] [hw:0,0] supports PCM format 96000/16/2
[0000049] 0.057 TRACE [alsa] [hw:0,0] supports PCM format 96000/24/2
[0000050] 0.057 TRACE [alsa] [hw:0,0] supports PCM format 96000/32/2
[0000051] 0.057 TRACE [alsa] [hw:0,0] supports PCM format 176400/16/2
[0000052] 0.058 TRACE [alsa] [hw:0,0] supports PCM format 176400/24/2
[0000053] 0.065 TRACE [alsa] [hw:0,0] supports PCM format 176400/32/2
[0000054] 0.065 TRACE [alsa] [hw:0,0] supports PCM format 192000/16/2
[0000055] 0.065 TRACE [alsa] [hw:0,0] supports PCM format 192000/24/2
[0000056] 0.065 TRACE [alsa] [hw:0,0] supports PCM format 192000/32/2
[0000057] 0.089 TRACE [output/alsa] initialized
[0000058] 0.089 TRACE [volume/null] initialized
[0000059] 0.090 TRACE [watch/alsa] initializing watch device=hw:0 exit_on_lost=1
[0000060] 0.090 TRACE [watch/alsa] initialized
[0000061] 0.090 TRACE [info] inserting unique_id -> 252dd1df-b3c4-4b4b-b05c-d3862fcbc1cd
[0000062] 0.090 TRACE [info] inserting vendor -> Sonore
[0000063] 0.090 TRACE [info] inserting serial -> 00E14E
[0000064] 0.090 TRACE [info] inserting config_url -> http://
SELF/
[0000065] 0.090 TRACE [info] inserting model -> microRendu
[0000066] 0.090 TRACE [info] inserting version -> 1.1.8
[0000067] 0.090 INFO [server] listening on port 55975
[0000068] 0.090 TRACE [discovery] starting
[0000069] 0.091 INFO [discovery] [iface:127.0.0.1] multicast recv socket is bound to 0.0.0.0:9003
[0000070] 0.091 INFO [discovery] [iface:127.0.0.1] multicast send socket is bound to 0.0.0.0:36966
[0000071] 0.091 INFO [discovery] [iface:192.168.1.64] multicast recv socket is bound to 0.0.0.0:9003
[0000072] 0.092 INFO [discovery] [iface:192.168.1.64] multicast send socket is bound to 0.0.0.0:53844
[0000073] 0.092 INFO [discovery] unicast socket is bound to 0.0.0.0:9003
[0000074] 0.092 TRACE [device] announcing DiscoveryMessage[type=QUERY, transactionid=F3018174-0FB4-D153-5E98-14800E85D633, Data={ “unique_id”: “252dd1df-b3c4-4b4b-b05c-d3862fcbc1cd”, “raat_version”: “1.1.8”, “vendor”: “Sonore”, “protocol_version”: “3”, “serial”: “00E14E”, “model”: “microRendu”, “version”: “1.1.8”, “config_url”: “http://
SELF/”, “service_id”: “5e2042ad-9bc5-4508-be92-ff68f19bdc93”, “tcp_port”: “55975”, } ]
[0000075] 0.162 TRACE [server] [192.168.1.23:53010] accepted connection
[0000076] 0.191 TRACE [session] [192.168.1.23:53010] created
[0000077] 0.208 TRACE [server] new script with name=base.lua module=base
[0000078] 0.208 TRACE [session] [192.168.1.23:53010] pre-loading lua module base
[0000079] 0.221 TRACE [server] new script with name=dkjson.lua module=dkjson
[0000080] 0.222 TRACE [session] [192.168.1.23:53010] pre-loading lua module dkjson
[0000081] 0.235 TRACE [server] new script with name=protocol.lua module=protocol
[0000082] 0.272 TRACE [session] [192.168.1.23:53010] pre-loading lua module protocol
[0000083] 0.275 TRACE [server] new script with name=roon.lua module=(null)
[0000084] 0.275 TRACE [session] [192.168.1.23:53010] executing lua script
[0000085] 0.282 TRACE [server] [192.168.1.23:53010] SENT[LL] [1] {“status”: “Success”}
[0000086] 0.283 TRACE [server] [192.168.1.23:53010] SENT[LL] [2] {“status”: “Success”}
[0000087] 0.283 TRACE [server] [192.168.1.23:53010] SENT[LL] [3] {“status”: “Success”}
[0000088] 0.293 WARNING [lua@0xf0aac] [192.168.1.23:53010] failed set recv buffer size: nil
[0000089] 0.293 TRACE [lua@0xf0aac] [192.168.1.23:53010] [roon] clock socket listening on udp 0.0.0.0:48021
[0000090] 0.293 TRACE [lua@0xf0aac] [192.168.1.23:53010] [roon] audio socket listening on udp 0.0.0.0:48164
[0000091] 0.293 TRACE [lua@0xf0aac] [192.168.1.23:53010] [roon] output info {“alsa_device”: {“id”: “B20”, “name”: “Bryston USB Audio 2.0”, “usbid”: “1db5:0001”, “longname”: “Bryston Bryston USB Audio 2.0 at usb-ci_hdrc.1-1.1, high speed”, “mixername”: “USB Mixer”, “components”: “B20”, “driver”: “USB-Audio”}, “config”: {“type”: “alsa”, “dsd_mode”: “none”, “device”: “hw:0,0”, “max_dsd_rate”: 256, “signal_path”: [{“quality”: “lossless”, “method”: “usb”, “type”: “output”}], “max_pcm_rate”: 768000, “buffer_duration”: 0.10000000000000001}}
[0000092] 0.293 TRACE [lua@0xf0aac] [192.168.1.23:53010] [roon] volume info {“config”: {“type”: “null”, “optional”: true}}
[0000093] 0.294 TRACE [server] [192.168.1.23:53010] SENT[LL] [4] {“status”: “Success”}
[0000094] 0.296 TRACE [lua@0xf0aac] [192.168.1.23:53010] GOT [2] {“request”:“info”}
[0000095] 0.309 TRACE [lua@0xf0aac] [192.168.1.23:53010] SENT [2] {“volume”:{“info”:{“config”:{“optional”:true,“type”:“null”}},“is_supported”:true},“info”:{“unique_id”:“252dd1df-b3c4-4b4b-b05c-d3862fcbc1cd”},“source_selection”:{“info”:[],“is_supported”:false},“output”:{“info”:{“alsa_device”:{“components”:“B20”,“usbid”:“1db5:0001”,“mixername”:“USB Mixer”,“id”:“B20”,“longname”:“Bryston Bryston USB Audio 2.0 at usb-ci_hdrc.1-1.1, high speed”,“driver”:“USB-Audio”,“name”:“Bryston USB Audio 2.0”},“config”:{“type”:“alsa”,“buffer_duration”:0.1,“max_pcm_rate”:768000,“device”:“hw:0,0”,“max_dsd_rate”:256,“dsd_mode”:“none”,“signal_path”:[{“type”:“output”,“method”:“usb”,“quality”:“lossless”}]}},“supported_formats”:[{“sample_rate”:44100,“bits_per_sample”:16,“channels”:1,“sample_type”:“pcm”},{“sample_rate”:44100,“bits_per_sample”:24,“channels”:1,“sample_type”:“pcm”},{“sample_rate”:44100,“bits_per_sample”:32,“channels”:1,“sample_type”:“pcm”},{“sample_rate”:48000,“bits_per_sample”:16,“channels”:1,“sample_type”:“pcm”},{“sample_rate”:48000,"bits_p
[0000096] 0.314 TRACE [lua@0xf0aac] [192.168.1.23:53010] GOT [3] {“request”:“subscribe_transport”}
[0000097] 0.315 TRACE [lua@0xf0aac] [192.168.1.23:53010] GOT [4] {“request”:“subscribe_controls”}
[0000098] 0.316 TRACE [lua@0xf0aac] [192.168.1.23:53010] SENT [4] {“status”:“Success”,“action”:“Changed”,“controls”:{“volume”:{“min”:0.0,“type”:“none”,“info”:{“config”:{“optional”:true,“type”:“null”}},“max”:0.0,“step”:1.0,“value”:0,“mute”:false}}}
[0000099] 6.121 DEBUG [discovery] broadcast op is complete
[0000100] 10.748 TRACE [lua@0xf0aac] [192.168.1.23:53010] GOT [5] {“request”:“setup”,“format”:{“sample_type”:“pcm”,“sample_rate”:48000,“bits_per_sample”:24,“channels”:2}}
[0000101] 10.748 TRACE alsa output setup: format is pcm 48000/24/2
[0000102] 10.748 TRACE opening [hw:0,0] 48000/24/2
[0000103] 10.750 TRACE prefer larger samples = 0
[0000104] 10.750 TRACE [ALSA] [hw:0,0] using hw pcmformat S32_LE bitspersample 24
[0000105] 10.750 TRACE [ALSA] [hw:0,0] Requesting 2 periods
[0000106] 10.751 TRACE [ALSA] [hw:0,0] Requesting 4800 frames/buffer (2400 frames/period)
[0000107] 10.751 TRACE [ALSA] [hw:0,0] Initialized with 2 periods with 2400 frames/period and 4800 frames/buffer
[0000108] 10.754 TRACE [lua@0xf0aac] [192.168.1.23:53010] got output message {“signal_path”: [{“quality”: “lossless”, “type”: “output”, “method”: “usb”}]}
[0000109] 10.756 WARNING sched_setscheduler failed: Operation not permitted
[0000110] 10.756 TRACE samples per buf 2400 ns per buf 50000000 samplerate 48000
[0000111] 10.756 TRACE 2400 samples per buf, 14400 bytes per buf, 19200 bytes per hwbuf
[0000112] 10.756 TRACE [output/alsa] [hw:0,0] waiting for device to be ready
[0000113] 10.757 TRACE [output/alsa] [hw:0,0] device is ready
[0000114] 10.757 TRACE [lua@0xf0aac] [192.168.1.23:53010] SENT [5] {“message”:{“signal_path”:[{“type”:“output”,“quality”:“lossless”,“method”:“usb”}]},“status”:“OutputMessage”}
[0000115] 10.764 TRACE [lua@0xf0aac] [192.168.1.23:53010] SENT [5] {“status”:“Success”,“audio_port”:48164,“clock_port”:48021}
[0000116] 10.795 TRACE [lua@0xf0aac] [192.168.1.23:53010] GOT [6] {“request”:“stream”,“stream_id”:1592566775,“first_seq”:0,“nak_port”:65333}
[0000117] 10.796 TRACE [lua@0xf0aac] [192.168.1.23:53010] SENT [6] {“status”:“Buffering”}
[0000118] 10.912 TRACE [lua@0xf0aac] [192.168.1.23:53010] SENT [6] {“status”:“Ready”}
[0000119] 10.919 TRACE [lua@0xf0aac] [192.168.1.23:53010] GOT [7] {“request”:“start”,“time”:400585567,“stream_sample”:0}
[0000120] 10.921 TRACE [lua@0xf0aac] [192.168.1.23:53010] SENT [6] {“status”:“Playing”}
[0000121] 10.922 TRACE [lua@0xf0aac] [192.168.1.23:53010] SENT [7] {“status”:“Success”}
[0000122] 10.964 TRACE waiting for start time…
[0000123] 11.014 TRACE starting playback: now (400000000ns) + ns_per_buf(50000000ns) = 450000000ns > 400585567ns streamsample=0
[0000124] 225.219 TRACE [lua@0xf0aac] [192.168.1.23:53010] GOT [8] {“request”:“end_stream”}
[0000125] 225.220 TRACE [lua@0xf0aac] [192.168.1.23:53010] SENT [6] {“status”:“Ended”}
[0000126] 225.222 TRACE [lua@0xf0aac] [192.168.1.23:53010] SENT [8] {“status”:“Success”}
[0000127] 230.219 TRACE [lua@0xf0aac] [192.168.1.23:53010] GOT [9] {“request”:“teardown”}
[0000128] 230.219 TRACE [alsa] teardown
[0000129] 230.275 TRACE [lua@0xf0aac] [192.168.1.23:53010] SENT [5] {“status”:“Teardown”}
[0000130] 235.886 TRACE [lua@0xf0aac] [192.168.1.23:53010] GOT [10] {“request”:“setup”,“format”:{“sample_type”:“pcm”,“sample_rate”:48000,“bits_per_sample”:24,“channels”:2}}
[0000131] 235.886 TRACE alsa output setup: format is pcm 48000/24/2
[0000132] 235.886 TRACE opening [hw:0,0] 48000/24/2
[0000133] 235.888 TRACE prefer larger samples = 0
[0000134] 235.888 TRACE [ALSA] [hw:0,0] using hw pcmformat S32_LE bitspersample 24
[0000135] 235.888 TRACE [ALSA] [hw:0,0] Requesting 2 periods
[0000136] 235.888 TRACE [ALSA] [hw:0,0] Requesting 4800 frames/buffer (2400 frames/period)
[0000137] 235.888 TRACE [ALSA] [hw:0,0] Initialized with 2 periods with 2400 frames/period and 4800 frames/buffer
[0000138] 235.891 WARNING sched_setscheduler failed: Operation not permitted
[0000139] 235.891 TRACE samples per buf 2400 ns per buf 50000000 samplerate 48000
[0000140] 235.891 TRACE 2400 samples per buf, 14400 bytes per buf, 19200 bytes per hwbuf
[0000141] 235.891 TRACE [lua@0xf0aac] [192.168.1.23:53010] got output message {“signal_path”: [{“quality”: “lossless”, “type”: “output”, “method”: “usb”}]}
[0000142] 235.891 TRACE [output/alsa] [hw:0,0] waiting for device to be ready
[0000143] 235.891 TRACE [output/alsa] [hw:0,0] device is ready
[0000144] 235.894 TRACE [lua@0xf0aac] [192.168.1.23:53010] SENT [10] {“message”:{“signal_path”:[{“type”:“output”,“quality”:“lossless”,“method”:“usb”}]},“status”:“OutputMessage”}
[0000145] 235.898 TRACE [lua@0xf0aac] [192.168.1.23:53010] SENT [10] {“status”:“Success”,“audio_port”:48164,“clock_port”:48021}
[0000146] 235.929 TRACE [lua@0xf0aac] [192.168.1.23:53010] GOT [11] {“request”:“stream”,“stream_id”:1592566776,“first_seq”:15223,“nak_port”:65333}
[0000147] 235.930 TRACE [lua@0xf0aac] [192.168.1.23:53010] SENT [11] {“status”:“Buffering”}
[0000148] 236.045 TRACE [lua@0xf0aac] [192.168.1.23:53010] SENT [11] {“status”:“Ready”}
[0000149] 236.055 TRACE [lua@0xf0aac] [192.168.1.23:53010] GOT [12] {“request”:“start”,“time”:220051617067,“stream_sample”:0}
[0000150] 236.057 TRACE [lua@0xf0aac] [192.168.1.23:53010] SENT [11] {“status”:“Playing”}
[0000151] 236.060 TRACE [lua@0xf0aac] [192.168.1.23:53010] SENT [12] {“status”:“Success”}
[0000152] 236.096 TRACE waiting for start time…
[0000153] 236.146 TRACE starting playback: now (220050000000ns) + ns_per_buf(8572217847659032704ns) = 220100000000ns > 220051617067ns streamsample=0
[0000154] 367.194 TRACE [server] [127.0.0.1:39398] accepted connection
[0000155] 367.200 TRACE [session] [127.0.0.1:39398] created
11/01/2016 11:26:00 - ------------------------------------------------------------
11/01/2016 11:26:00 - aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: B20 [Bryston USB Audio 2.0], device 0: USB Audio [USB Audio]
Subdevices: 0/1
Subdevice
#0: subdevice
#0