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
Best Answer
First you need to kill the existing pulseaudio process, start the jack_control process and re-start the pulseaudio process.
Please use the below commands: