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Cannot start qjackd, as device hw:0 already in use

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http://forums.opensuse.org – Hello, I use openSUSE-11.2 one application seems to reserve the jack device hw:0 When I try to start qjackctl, I get this dump-out: =============================================== 21:59:42.928 Steckfeld deaktiviert. 21:59:42.930 Statistik zurückgesetzt. 21:59:42.940 Schaubild der ALSA-Verbindungen geändert. 21:59:43.193 ALSA-Verbindung geändert. 21:59:45.473 Startup script... 21:59:45.474 artsshell -q terminate sh: arts-start: Kommando nicht gefunden. Creating link /root/.kde/socket-wallee. Created link from "/root/.kde/socket-wallee" to "/tmp/ksocket-root" 21:59:45.912 Startup script terminated mit Rückgabewert = 256. 21:59:45.912 JACK startet... 21:59:45.912 /usr/bin/jackd -R -dalsa -dhw:0 -r48000 -p1024 -n2 21:59:45.914 JACK wurde mit PID = 13647 gestartet. jackd 0.116.2 Copyright 2001-2005 Paul Davis 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 .. apparent rate = 48000 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 21:59:45.947 JACK wurde angehalten erfolgreich. 21:59:45.948 Post-shutdown script... 21:59:45.948 killall jackd jackd: no process found 21:59:46.360 Post-shutdown script terminated mit Rückgabewert = 256. 21:59:48.001 Keine Verbindungsaufnahme als Client zum JACK-Server möglich. - Overall operation failed. - Verbindungsaufnahme zum Server gescheitert. Bitte sehen Sie im Meldungsfenster nach weiteren Informationen. (13637) KIconCache::Private::themeDirsChanged: Theme directory has been modified =============================================== It seems, that the call of arts-start is not working. There is bo command arts-start at all! jackd struggles, as the hw:0 is already installed. Which programs use this device? Yours, Willy (Distributions)