On 09/29/2010 10:01 AM, Jim wrote: > > > > > FC13/KDE > > I having problems with jackd not starting, because it can't find a backend > > Which one do I use pulseaudio or alsa ? > > There is no output in /var/log/messages for jackd. > > Here is the output of running "jackd" > > $ jackd > jackd 0.118.0 > Copyright 2001-2009 Paul Davis, Stephane Letz, Jack O'Quinn, Torben Hohn > and others. > jackd comes with ABSOLUTELY NO WARRANTY > This is free software, and you are welcome to redistribute it > under certain conditions; see the file COPYING for details > > jackd 0.118.0 > Copyright 2001-2009 Paul Davis, Stephane Letz, Jack O'Quinn, Torben Hohn > and others. > jackd comes with ABSOLUTELY NO WARRANTY > This is free software, and you are welcome to redistribute it > under certain conditions; see the file COPYING for details > > > usage: jackd [ --no-realtime OR -r ] > [ --realtime OR -R [ --realtime-priority OR -P priority ] ] > (the two previous arguments are mutually exclusive. The default is > --realtime) > [ --name OR -n server-name ] > [ --no-mlock OR -m ] > [ --unlock OR -u ] > [ --timeout OR -t client-timeout-in-msecs ] > [ --port-max OR -p maximum-number-of-ports] > [ --debug-timer OR -D ] > [ --no-sanity-checks OR -N ] > [ --verbose OR -v ] > [ --clocksource OR -c [ c(ycle) | h(pet) | s(ystem) ] > [ --replace-registry ] > [ --silent OR -s ] > [ --version OR -V ] > [ --nozombies OR -Z ] > > > -d backend [ ... backend args ... ] > Available backends may include: alsa, dummy, freebob, firewire, net, > oss, sun, or portaudio. > > jackd -d backend --help > to display options for each backend > > > [mickey@Acer ~]$ jackd -d backend --help > jackd 0.118.0 > Copyright 2001-2009 Paul Davis, Stephane Letz, Jack O'Quinn, Torben Hohn > and others. > jackd comes with ABSOLUTELY NO WARRANTY > This is free software, and you are welcome to redistribute it > under certain conditions; see the file COPYING for details > > jackd: unknown driver 'backend' > > > > > # jackd -d pulseaudio > jackd 0.118.0 > Copyright 2001-2009 Paul Davis, Stephane Letz, Jack O'Quinn, Torben Hohn > and others. > jackd comes with ABSOLUTELY NO WARRANTY > This is free software, and you are welcome to redistribute it > under certain conditions; see the file COPYING for details > > jackd: unknown driver 'pulseaudio' > > > > > [root@Acer mickey]# jackd -d alsa > jackd 0.118.0 > Copyright 2001-2009 Paul Davis, Stephane Letz, Jack O'Quinn, Torben Hohn > and others. > jackd comes with ABSOLUTELY NO WARRANTY > This is free software, and you are welcome to redistribute it > under certain conditions; see the file COPYING for details > > JACK compiled with System V SHM support. > loading driver .. > creating alsa driver ... hw:0|hw:0|1024|2|48000|0|0|nomon|swmeter|-|32bit > control device hw:0 > the playback device "hw:0" is already in use. Please stop the > application using it and run JACK again > > cannot load driver module alsa > > > > > There are no other applications using the sound system. > Do you have pulseaudio running? If so, stop it first, then run jackd -d alsa. You'll probably also need to make some config file changes, but jackd will tell you what to change. I'm still trying to learn this stuff myself. Regards, John -- users mailing list users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe or change subscription options: https://admin.fedoraproject.org/mailman/listinfo/users Guidelines: http://fedoraproject.org/wiki/Mailing_list_guidelines
