ALSA-related startup problems on linux desktop

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  • (@kallikles)

    I am a (prospective) brand-new user who would like to use SoundJack on a desktop Linux running Archlinux/Kde.

    After solving some lib-dependencies issues, I was able to start SoundJack from the command line. However, when I click on the “Stage” tab in the SoundJack webpage, I get a load of Alsa errors in the terminal and the stage controls do not appear on the stage page at all:

    ALSA lib pcm_dmix.c:1075:(snd_pcm_dmix_open) unable to open slave
    ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.rear
    ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.center_lfe
    ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.side
    ALSA lib confmisc.c:1281:(snd_func_refer) Unable to find definition ‘cards.USB-Audio.pcm.hdmi.0:CARD=0,AES0=4,AES1=130,AES2=0,AES3=2’
    ALSA lib conf.c:4745:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
    ALSA lib conf.c:5233:(snd_config_expand) Evaluate error: No such file or directory
    ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM hdmi
    ALSA lib confmisc.c:1281:(snd_func_refer) Unable to find definition ‘cards.USB-Audio.pcm.hdmi.0:CARD=0,AES0=4,AES1=130,AES2=0,AES3=2’
    ALSA lib conf.c:4745:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
    ALSA lib conf.c:5233:(snd_config_expand) Evaluate error: No such file or directory
    ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM hdmi
    ALSA lib confmisc.c:1281:(snd_func_refer) Unable to find definition ‘cards.USB-Audio.pcm.modem.0:CARD=0’
    ALSA lib conf.c:4745:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
    ALSA lib conf.c:5233:(snd_config_expand) Evaluate error: No such file or directory
    ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.phoneline:CARD=0,DEV=0
    ALSA lib confmisc.c:1281:(snd_func_refer) Unable to find definition ‘cards.USB-Audio.pcm.modem.0:CARD=0’
    ALSA lib conf.c:4745:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
    ALSA lib conf.c:5233:(snd_config_expand) Evaluate error: No such file or directory
    ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.phoneline:CARD=0,DEV=0
    ALSA lib confmisc.c:1281:(snd_func_refer) Unable to find definition ‘cards.USB-Audio.pcm.modem.0:CARD=0’
    ALSA lib conf.c:4745:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
    ALSA lib conf.c:5233:(snd_config_expand) Evaluate error: No such file or directory
    ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM phoneline
    ALSA lib confmisc.c:1281:(snd_func_refer) Unable to find definition ‘cards.USB-Audio.pcm.modem.0:CARD=0’
    ALSA lib conf.c:4745:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
    ALSA lib conf.c:5233:(snd_config_expand) Evaluate error: No such file or directory
    ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM phoneline
    ALSA lib confmisc.c:1281:(snd_func_refer) Unable to find definition ‘defaults.bluealsa.device’
    ALSA lib conf.c:4745:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
    ALSA lib conf.c:5222:(snd_config_expand) Args evaluate error: No such file or directory
    ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM bluealsa
    ALSA lib confmisc.c:1281:(snd_func_refer) Unable to find definition ‘defaults.bluealsa.device’
    ALSA lib conf.c:4745:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
    ALSA lib conf.c:5222:(snd_config_expand) Args evaluate error: No such file or directory
    ALSA lib pcm.c:2660:(snd_pcm_open_noupdate) Unknown PCM bluealsa
    ALSA lib pcm_oss.c:377:(_snd_pcm_oss_open) Unknown field port
    ALSA lib pcm_oss.c:377:(_snd_pcm_oss_open) Unknown field port
    ALSA lib pcm_usb_stream.c:486:(_snd_pcm_usb_stream_open) Invalid type for card
    ALSA lib pcm_usb_stream.c:486:(_snd_pcm_usb_stream_open) Invalid type for card
    ALSA lib pcm_dmix.c:1075:(snd_pcm_dmix_open) unable to open slave

    I have jack running and connected to my external interface (M-Audio Pro, if it matters). I tried both with and without the PulseAudio bridge but neither seem to work (even though I get some additional errors without Pulseaudio).

    Help greatly appreciated

    (@kallikles)

    Never mind, it seems those messages are alsa debugging info (even though the “unable to open slave” is rather worrying). I was able to open the Stage panel by switching browser from Firefox to Chrome.

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