Moikka, käytän ubuntun versiota 11.10. Suurimman osan ajasta, kun yritän käynnistää QjackCtl:n, ohjelma antaa allaolevan virheilmoituksen. Outoa on kuitenkin, että välillä käynnistettyäni koneen uudestaan jack toimii ongelmitta samoilla asetuksilla
![Huh ???](https://forum.ubuntu-fi.org/Smileys/default/huh.gif)
Toisaalta välilä taas jack ohjaa äänen ulos tietokoneen kaiuttimista, vaikka olen jackin asetuksista laittanut ne tulemaan mikseristä.
Sat Mar 24 10:55:29 2012: Starting jack server...
Sat Mar 24 10:55:29 2012: JACK server starting in realtime mode with priority 10
Sat Mar 24 10:55:29 2012: [1m[31mERROR: Cannot lock down memory area (Cannot allocate memory)[0m
Cannot connect to server socket err = Tiedostoa tai hakemistoa ei ole
Cannot connect to server socket
jack server is not running or cannot be started
Sat Mar 24 10:55:29 2012: control device hw:0
Sat Mar 24 10:55:29 2012: control device hw:0
Sat Mar 24 10:55:29 2012: [1m[31mERROR: Failed to acquire device name : Audio0 error : Input/output error[0m
Sat Mar 24 10:55:29 2012: [1m[31mERROR: Audio device hw:0 cannot be acquired, trying to open it anyway...[0m
Sat Mar 24 10:55:29 2012: creating alsa driver ... hw:0|hw:0|256|3|44100|0|0|nomon|swmeter|-|32bit
Sat Mar 24 10:55:29 2012: control device hw:0
Sat Mar 24 10:55:29 2012: [1m[31mERROR: ALSA: Cannot open PCM device alsa_pcm for playback. Falling back to capture-only mode[0m
Sat Mar 24 10:55:29 2012: [1m[31mERROR: Cannot initialize driver[0m
Sat Mar 24 10:55:29 2012: [1m[31mERROR: JackServer::Open() failed with -1[0m
Sat Mar 24 10:55:29 2012: [1m[31mERROR: Failed to open server[0m
10:55:32.694 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 = Tiedostoa tai hakemistoa ei ole
Cannot connect to server socket
jack server is not running or cannot be started