I have noticed that module-jackdbus-detect requires jackd2. I am currently using jackd1. I have tried jackd2 but cannot get it to start; I spent a lot of time previously trying to get jackd2 to run but always I get: <style type="text/css"> p, li { white-space: pre-wrap; } </style> 11:04:21.336 Startup script... 11:04:21.337 artsshell -q terminate Cannot connect to server socket err = No such file or directory Cannot connect to server socket jack server is not running or cannot be started sh: artsshell: not found 11:04:21.738 Startup script terminated with exit status=32512. 11:04:21.739 JACK is starting... 11:04:21.739 /usr/bin/jackd -r -p128 -m -dalsa -dhw:ICH6 -r44100 -p256 -n7 -s -S -i2 -o2 11:04:21.755 JACK was started with PID=4997. no message buffer overruns no message buffer overruns unknown option character 11:04:21.818 JACK was stopped with exit status=255. 11:04:21.819 Post-shutdown script... 11:04:21.819 killall jackd ] [ --temporary OR -T ] [ --version OR -V ] -d master-backend-name [ ... master-backend args ... ] Available master backends may include: alsa, dummy, freebob, firewire or net jackdmp -d master-backend-name --help to display options for each master backend 11:04:21.834 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 socket jack server is not running or cannot be started jackd: no process found 11:04:22.227 Post-shutdown script terminated with exit status=256. <div class="gmail_quote"> On 12 January 2012 18:58, Tony Austin <<a href="mailto:gigaday@googlemail.com">gigaday@googlemail.com</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> David I get: >>> tony@ubuntu:~$ pacmd list-modules|grep jack name: <module-jackdbus-detect> name: <module-jack-source> name: <module-jack-sink> tony@ubuntu:~$ and: index: 26 name: <module-jack-sink> argument: <channels=2> used: 0 load once: yes properties: module.author = "Lennart Poettering" module.description = "JACK Sink" module.version = "1.0" So it looks like there is module-jack -sink already.<div class="im"> <blockquote style="margin:0pt 0pt 0pt 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex" class="gmail_quote"> I've never heard of anyone having JACK in "startup applications" </blockquote></div><div> Could this be part of the problem? </div> Tony<div class="HOEnZb"> <div class="h5"> <div class="gmail_quote">On 12 January 2012 16:08, David Henningsson <<a href="mailto:david.henningsson@canonical.com" target="_blank">david.henningsson@canonical.com</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">2012-01-12 14:44, Tony Austin skrev:<div> <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"> David Thanks for your reply. Jack (the daemon, not the library) is not installed by default in Ubuntu 11.10. My ignorance. But anyway, the server should not be started unless you run a program that requires JACK, which is the essence of the problem here. I have been starting JACK as a Startup Application because everything else seemed to work fine like that. Can you clarify - are you saying Google Talk probably won't work with JACK running? This wouldn't be what I want because I could be running Reaper, which needs JACK, but want Google Talk to give me a ring sound if I get an incoming call at the same time. </blockquote> </div> So if you need that, you need to make sure JACK has a pulseaudio sink. I've been working with that to some degree but not your particular use case (I've never heard of anyone having JACK in "startup applications". "pacmd list-modules" should tell you if there is an "module-jack-sink" in there. If not, try loading it manually with "pacmd load-module module-jack-sink" and see if it makes a difference. // David </blockquote></div> </div></div></blockquote></div>