Hi, there
After starting Polyphone I have message "Operation in progress". I can close it but when opening (or creating new) soundfont Polyphone freezes. I have Jack backend set in preferences, the same happens with ALSA.
ALSA lib pcm.c:2450:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.rear
ALSA lib pcm.c:2450:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.center_lfe
ALSA lib pcm.c:2450:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.side
ALSA lib confmisc.c:1281:(snd_func_refer) Unable to find definition 'cards.Loopback.pcm.iec958.0:CARD=0,AES0=4,AES1=130,AES2=0,AES3=2'
ALSA lib conf.c:4371:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
ALSA lib conf.c:4850:(snd_config_expand) Evaluate error: No such file or directory
ALSA lib pcm.c:2450:(snd_pcm_open_noupdate) Unknown PCM iec958
ALSA lib confmisc.c:1281:(snd_func_refer) Unable to find definition 'cards.Loopback.pcm.iec958.0:CARD=0,AES0=4,AES1=130,AES2=0,AES3=2'
ALSA lib conf.c:4371:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
ALSA lib conf.c:4850:(snd_config_expand) Evaluate error: No such file or directory
ALSA lib pcm.c:2450:(snd_pcm_open_noupdate) Unknown PCM spdif
ALSA lib confmisc.c:1281:(snd_func_refer) Unable to find definition 'cards.Loopback.pcm.iec958.0:CARD=0,AES0=4,AES1=130,AES2=0,AES3=2'
ALSA lib conf.c:4371:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
ALSA lib conf.c:4850:(snd_config_expand) Evaluate error: No such file or directory
ALSA lib pcm.c:2450:(snd_pcm_open_noupdate) Unknown PCM spdif
ALSA lib confmisc.c:1281:(snd_func_refer) Unable to find definition 'cards.Loopback.pcm.hdmi.0:CARD=0,AES0=4,AES1=130,AES2=0,AES3=2'
ALSA lib conf.c:4371:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
ALSA lib conf.c:4850:(snd_config_expand) Evaluate error: No such file or directory
ALSA lib pcm.c:2450:(snd_pcm_open_noupdate) Unknown PCM hdmi
ALSA lib confmisc.c:1281:(snd_func_refer) Unable to find definition 'cards.Loopback.pcm.hdmi.0:CARD=0,AES0=4,AES1=130,AES2=0,AES3=2'
ALSA lib conf.c:4371:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
ALSA lib conf.c:4850:(snd_config_expand) Evaluate error: No such file or directory
ALSA lib pcm.c:2450:(snd_pcm_open_noupdate) Unknown PCM hdmi
ALSA lib confmisc.c:1281:(snd_func_refer) Unable to find definition 'cards.Loopback.pcm.modem.0:CARD=0'
ALSA lib conf.c:4371:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
ALSA lib conf.c:4850:(snd_config_expand) Evaluate error: No such file or directory
ALSA lib pcm.c:2450:(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.Loopback.pcm.modem.0:CARD=0'
ALSA lib conf.c:4371:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
ALSA lib conf.c:4850:(snd_config_expand) Evaluate error: No such file or directory
ALSA lib pcm.c:2450:(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.Loopback.pcm.modem.0:CARD=0'
ALSA lib conf.c:4371:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
ALSA lib conf.c:4850:(snd_config_expand) Evaluate error: No such file or directory
ALSA lib pcm.c:2450:(snd_pcm_open_noupdate) Unknown PCM phoneline
ALSA lib confmisc.c:1281:(snd_func_refer) Unable to find definition 'cards.Loopback.pcm.modem.0:CARD=0'
ALSA lib conf.c:4371:(_snd_config_evaluate) function snd_func_refer returned error: No such file or directory
ALSA lib conf.c:4850:(snd_config_expand) Evaluate error: No such file or directory
ALSA lib pcm.c:2450:(snd_pcm_open_noupdate) Unknown PCM phoneline
Jackd 1.9.10 + PulseAudio 9.0 bridged to jack
Other people using Arch have the same issue, see here:
aur.archlinux.org/packages/polyphone 
