I haven't been able to get JACK to work despite googling and reading on forums. Please help me to get JACK to work. I am attaching the message log of JACK Control here.
02:15:40.109 Patchbay deactivated. 02:15:40.117 Statistics reset. 02:15:40.123 ALSA connection change. 02:15:40.147 D-BUS: Service is available (org.jackaudio.service aka jackdbus). 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 02:15:40.169 ALSA connection graph change. 02:15:43.877 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 Mon Dec 8 02:15:43 2014: Starting jack server... Mon Dec 8 02:15:43 2014: JACK server starting in realtime mode with priority 10 Mon Dec 8 02:15:43 2014: ERROR: Cannot lock down 82274202 byte memory area (Cannot allocate memory) Mon Dec 8 02:15:43 2014: ERROR: cannot register object path "/org/freedesktop/ReserveDevice1/Audio0": A handler is already registered for /org/freedesktop/ReserveDevice1/Audio0 Mon Dec 8 02:15:43 2014: ERROR: Failed to acquire device name : Audio0 error : A handler is already registered for /org/freedesktop/ReserveDevice1/Audio0 Mon Dec 8 02:15:43 2014: ERROR: Audio device hw:0 cannot be acquired... Mon Dec 8 02:15:43 2014: ERROR: Cannot initialize driver Mon Dec 8 02:15:43 2014: ERROR: JackServer::Open failed with -1 Mon Dec 8 02:15:43 2014: ERROR: Failed to open server Mon Dec 8 02:15:45 2014: Saving settings to "/home/rythem/.config/jack/conf.xml" ... 02:15:47.373 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