Hi all, A little over a year later I'm revisiting this project, where the core challenge was to connect a second USB audio device and have PD (actually pd-l2ork) utilize it, with all of this running automatically at boot. The system has run quite well, but once every while (maybe 15% of the time) PD fails to start up, with the qjackctl message window saying "Killed". I haven't been able to find out what's going wrong, perhaps somebody can help me. Otherwise I am thinking of making a jackd approach, so completely non-GUI, and perhaps utilizing zalsa_out instead of zita-j2a. Right now the system works like this: - in /home/.config/lxsession/LXDE-pi/autostart, @qjackctl is added to autostart it when the system (Raspbian) boots; - in qjackctl's Setup page, a script is executed after startup, - in that script these commands are run: zita-j2a -d hw:Device_1 & sleep 2 # to set the system volume: amixer -c 1 cset numid=6 30 amixer -c 2 cset numid=6 30 sleep 2 pd-l2ork -rt -audiobuf 20 -inchannels 2 -outchannels 4 /home/pi/Documents/patch.pd & Also in qjackctl's Setup page, Activate Patchbay persistence is checked to make sure the 4 PD outputs are connected to the 4 out-channels in jack. I wonder how this would be done on the command line. I'm having difficulty in experimenting with zalsa_out; the example commands that Robin Gareus suggested earlier don't seem to be valid on my system... also I can't find any documentation on either zalsa or the -I option that he mentioned: Robin Gareus wrote > Is there a reason why you do want the external clients instead of using > jack1's built-in version of zita-ajbridge? > > jackd \ > -I CARDNAME:zalsa_out/-dhw:CARD \ > -I CARDNAME:zalsa_in/-dhw:CARD \ > -dalsa ... > > > In your case try something like > > jackd -I alsa-playback:zalsa_in/-dhw:CODEC_1 -dalsa -dhw:PCH -r48000 > -p1024 -n2 If anyone has any suggestions and/or pointers for me what to try or where to find more info, that would be great. Thanks in advance. -- Sent from: http://linux-audio.4202.n7.nabble.com/linux-audio-user-f5.html _______________________________________________ Linux-audio-user mailing list Linux-audio-user@xxxxxxxxxxxxxxxxxxxx https://lists.linuxaudio.org/listinfo/linux-audio-user