Thank you Tomas! With the latest PR, I’ve got sound out of a Pi4B w/ USB DAC as a multi-room master, but nothing out of the multi-room clients (Pi Zero Ws w/ USB DACs). Looks like the multiroom-client service on those devices is in a restart loop:
07.03.21 22:22:42 (-0500) multiroom-client Starting multi-room client…
07.03.21 22:22:42 (-0500) multiroom-client snapclient v0.23.0
07.03.21 22:22:42 (-0500) multiroom-client Mode: MULTI_ROOM_CLIENT
07.03.21 22:22:42 (-0500) multiroom-client Target snapcast server: 192.168.1.6
07.03.21 22:22:42 (-0500) multiroom-client PCM device “default” not found
07.03.21 22:22:42 (-0500) multiroom-client 2021-03-08 03-22-42.899 [Notice] (Connection) Connected to 192.168.1.6
07.03.21 22:22:43 (-0500) multiroom-client metadata:{“STREAM”:“balenaSound”}
07.03.21 22:22:43 (-0500) multiroom-client ALSA lib confmisc.c:767:(parse_card) cannot find card ‘0’
07.03.21 22:22:43 (-0500) multiroom-client ALSA lib conf.c:4745:(_snd_config_evaluate) function snd_func_card_driver returned error: No such file or directory
07.03.21 22:22:43 (-0500) multiroom-client ALSA lib confmisc.c:392:(snd_func_concat) error evaluating strings
07.03.21 22:22:43 (-0500) multiroom-client ALSA lib conf.c:4745:(_snd_config_evaluate) function snd_func_concat returned error: No such file or directory
07.03.21 22:22:43 (-0500) multiroom-client ALSA lib confmisc.c:1246:(snd_func_refer) error evaluating name
07.03.21 22:22:43 (-0500) multiroom-client ALSA lib conf.c:4745:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
07.03.21 22:22:43 (-0500) multiroom-client ALSA lib conf.c:5233:(snd_config_expand) Evaluate error: No such file or directory
07.03.21 22:22:43 (-0500) multiroom-client ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM default
07.03.21 22:22:43 (-0500) multiroom-client 2021-03-08 03-22-43.115 [Error] (Alsa) Exception: Can’t open default, error: No such file or directory, code: -2
07.03.21 22:22:43 (-0500) multiroom-client 2021-03-08 03-22-43.126 [Fatal] (Snapclient) Exception: Can’t open default, error: No such file or directory
07.03.21 22:22:43 (-0500) multiroom-client 2021-03-08 03-22-43.131 [Notice] (Snapclient) Snapclient terminated.
07.03.21 22:22:43 (-0500) multiroom-client metadata:{“STREAM”:“balenaSound”}
07.03.21 22:22:43 (-0500) multiroom-client ALSA lib confmisc.c:767:(parse_card) cannot find card ‘0’
07.03.21 22:22:43 (-0500) multiroom-client ALSA lib conf.c:4745:(_snd_config_evaluate) function snd_func_card_driver returned error: No such file or directory
07.03.21 22:22:43 (-0500) multiroom-client ALSA lib confmisc.c:392:(snd_func_concat) error evaluating strings
07.03.21 22:22:43 (-0500) multiroom-client ALSA lib conf.c:4745:(_snd_config_evaluate) function snd_func_concat returned error: No such file or directory
07.03.21 22:22:43 (-0500) multiroom-client ALSA lib confmisc.c:1246:(snd_func_refer) error evaluating name
07.03.21 22:22:43 (-0500) multiroom-client ALSA lib conf.c:4745:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
07.03.21 22:22:43 (-0500) multiroom-client ALSA lib conf.c:5233:(snd_config_expand) Evaluate error: No such file or directory
07.03.21 22:22:43 (-0500) multiroom-client ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM default
07.03.21 22:22:43 (-0500) multiroom-client 2021-03-08 03-22-43.115 [Error] (Alsa) Exception: Can’t open default, error: No such file or directory, code: -2
07.03.21 22:22:43 (-0500) multiroom-client 2021-03-08 03-22-43.126 [Fatal] (Snapclient) Exception: Can’t open default, error: No such file or directory
07.03.21 22:22:43 (-0500) multiroom-client 2021-03-08 03-22-43.131 [Notice] (Snapclient) Snapclient terminated.
07.03.21 22:23:57 (-0500) multiroom-client Starting multi-room client…
07.03.21 22:23:57 (-0500) multiroom-client snapclient v0.23.0
07.03.21 22:23:57 (-0500) multiroom-client Mode: MULTI_ROOM_CLIENT
07.03.21 22:23:57 (-0500) multiroom-client Target snapcast server: 192.168.1.6
07.03.21 22:23:58 (-0500) multiroom-client PCM device “default” not found
07.03.21 22:23:58 (-0500) multiroom-client 2021-03-08 03-23-58.457 [Notice] (Connection) Connected to 192.168.1.6
07.03.21 22:23:58 (-0500) multiroom-client metadata:{“STREAM”:“balenaSound”}
07.03.21 22:23:58 (-0500) multiroom-client ALSA lib confmisc.c:767:(parse_card) cannot find card ‘0’
07.03.21 22:23:58 (-0500) multiroom-client ALSA lib conf.c:4745:(_snd_config_evaluate) function snd_func_card_driver returned error: No such file or directory
07.03.21 22:23:58 (-0500) multiroom-client ALSA lib confmisc.c:392:(snd_func_concat) error evaluating strings
07.03.21 22:23:58 (-0500) multiroom-client ALSA lib conf.c:4745:(_snd_config_evaluate) function snd_func_concat returned error: No such file or directory
07.03.21 22:23:58 (-0500) multiroom-client ALSA lib confmisc.c:1246:(snd_func_refer) error evaluating name
07.03.21 22:23:58 (-0500) multiroom-client ALSA lib conf.c:4745:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
07.03.21 22:23:58 (-0500) multiroom-client ALSA lib conf.c:5233:(snd_config_expand) Evaluate error: No such file or directory
07.03.21 22:23:58 (-0500) multiroom-client ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM default
07.03.21 22:23:58 (-0500) multiroom-client 2021-03-08 03-23-58.735 [Error] (Alsa) Exception: Can’t open default, error: No such file or directory, code: -2
07.03.21 22:23:58 (-0500) multiroom-client 2021-03-08 03-23-58.751 [Fatal] (Snapclient) Exception: Can’t open default, error: No such file or directory
07.03.21 22:23:58 (-0500) multiroom-client 2021-03-08 03-23-58.755 [Notice] (Snapclient) Snapclient terminated.