I have ubuntu 12.10 on an acer aspire one 722 with ALSA & an ATI soundcard.
So, i finally figured out how to start JACK; I type in jackd & qjackctl & jack_mixer and then open a new terminal and open the applications i want to use JACK with, i.e. zynaddsubfx & ardour2 & hydrogen...This is the only way it will start JACK. I don't know why I need to open it with the mixer, but it's been working...
Maybe I need other JACK applications??? For all i know, these are the only three I have.
1.) If I use other applications before starting JACK, when i open qjackctl (or jackd & qjackctl) it says it doesn't recognize it:
13:09:14.967 Patchbay deactivated.
13:09:15.097 Statistics reset.
13:09:15.171 ALSA connection change.
13:09:15.795 D-BUS: Service is available (org.jackaudio.service aka jackdbus).
13:09:16.461 D-BUS: JACK server could not be started. Sorry
Cannot connect to server socket err = No such file or directory
Cannot connect to server request channel
jack server is not running or cannot be started
Cannot connect to server socket err = No such file or directory
Cannot connect to server request channel
jack server is not running or cannot be started
13:09:16.486 ALSA connection graph change.
Sat Jan 26 13:09:15 2013: Starting jack server...
Sat Jan 26 13:09:15 2013: JACK server starting in realtime mode with priority 10
Sat Jan 26 13:09:16 2013: control device hw:0
Sat Jan 26 13:09:16 2013: control device hw:0
Sat Jan 26 13:09:16 2013: Acquired audio card Audio0
Sat Jan 26 13:09:16 2013: creating alsa driver ... hw:0|hw:0|1024|2|44100|0|0|nomon|swmeter|-|32bit
Sat Jan 26 13:09:16 2013: control device hw:0
Sat Jan 26 13:09:16 2013: [1m[31mERROR: ALSA: Cannot open PCM device alsa_pcm for playback. Falling back to capture-only mode[0m
Sat Jan 26 13:09:16 2013: [1m[31mERROR: Cannot initialize driver[0m
Sat Jan 26 13:09:16 2013: [1m[31mERROR: JackServer::Open failed with -1[0m
Sat Jan 26 13:09:16 2013: [1m[31mERROR: Failed to open server[0m
Sat Jan 26 13:09:17 2013: Saving settings to "/home/laura/.config/jack/conf.xml" ...
13:09:19.882 Could not connect to JACK server as client. - Overall operation failed. - Unable to connect to server. Please check the messages window for more info.
Cannot connect to server socket err = No such file or directory
Cannot connect to server request channel
jack server is not running or cannot be started
2.) When I run jackd, jack_mixer, and qjackctl as startup applications, they start up fine. And I can connect zynaddsubfx and ardour with them etc. But if I want to play a youtube video, no sound comes out, even if I quit JACK and then try to play it. It seems like starting JACK messes with the sound for my non-JACK applications.
What should I do?
Thanks.
