Hi, have you checked if you are in the audio group? It looks familiar. I think I've had the same thing, and solved it by adding me in the audio group. system->users and groups ->... I can't recall the correct naming, and can't check at the moment. grtz, Bart <a href="http://www.bartart3d.be/">http://www.bartart3d.be/</a> <div class="gmail_quote">2011/10/3 Tim H. <<a href="mailto:tim@pghcomp.com">tim@pghcomp.com</a>> <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;"> Now that I have 11.04 and a lowlatency kernel, I still can not start jack with firewire. I'm running a Firebox, 32bit 11.04 studio. Jack verbose output below. Please help, let me konw if you need any other info to assist: 20:21:50.794 JACK is starting... 20:21:50.795 /usr/bin/jackd -v -dfirewire -r44100 -p1024 -n3 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 no message buffer overruns no message buffer overruns 20:21:50.902 JACK was started with PID=1895. jackdmp 1.9.7 Copyright 2001-2005 Paul Davis and others. Copyright 2004-2010 Grame. jackdmp 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 server starting in realtime mode with priority 10 Jack: Create non RT thread Jack: ThreadHandler: start Jack: JackDriver::Open capture_driver_name = Jack: JackDriver::Open playback_driver_name = Jack: JackEngine::ClientInternalOpen: name = system Jack: JackEngine::AllocateRefNum ref = 0 Jack: JackPosixSemaphore::Allocate name = jack_sem.1000_default_system val = 0 Jack: JackEngine::NotifyAddClient: name = system Jack: JackGraphManager::SetBufferSize size = 1024 Jack: JackConnectionManager::DirectConnect first: ref1 = 0 ref2 = 0 Jack: JackGraphManager::ConnectRefNum cur_index = 0 ref1 = 0 ref2 = 0 Jack: JackDriver::SetupDriverSync driver sem in flush mode Jack: JackSocketServerChannel::Open Jack: Bind: addr.sun_path /dev/shm/jack_default_1000_0 Jack: JackSocketServerChannel::BuildPoolTable size = 1 Jack: JackEngine::Open Jack: Connect: addr.sun_path /dev/shm/jack_default_1000_0 Jack: JackEngine::ClientInternalOpen: name = freewheel Jack: JackEngine::AllocateRefNum ref = 1 Jack: JackPosixSemaphore::Allocate name = jack_sem.1000_default_freewheel val = 0 Jack: JackEngine::NotifyAddClient: name = freewheel Jack: JackConnectionManager::DirectConnect first: ref1 = 1 ref2 = 1 Jack: JackGraphManager::ConnectRefNum cur_index = 0 ref1 = 1 ref2 = 1 Jack: JackDriver::SetupDriverSync driver sem in flush mode Jack: JackFFADODriver::Attach fBufferSize 1024 fSampleRate 44100 libffado 2.999.0- built Mar 28 2011 17:44:19 firewire ERR: FFADO: Error creating virtual device Cannot attach audio driver Jack: JackDriver::Close Jack: JackConnectionManager::DirectDisconnect last: ref1 = 1 ref2 = 1 Jack: JackGraphManager::DisconnectRefNum cur_index = 0 ref1 = 1 ref2 = 1 Jack: JackEngine::ClientCloseAux ref = 1 Jack: JackGraphManager::RemoveAllPorts ref = 1 Jack: JackPosixSemaphore::Destroy Jack: JackEngine::Close Jack: JackClientSocket::Close Jack: JackServerSocket::Close /dev/shm/jack_default_1000_0 Jack: JackDriver::Close Jack: JackConnectionManager::DirectDisconnect last: ref1 = 0 ref2 = 0 Jack: JackGraphManager::DisconnectRefNum cur_index = 0 ref1 = 0 ref2 = 0 Jack: JackEngine::ClientCloseAux ref = 0 Jack: JackGraphManager::RemoveAllPorts ref = 0 Jack: JackPosixSemaphore::Destroy Jack: no message buffer overruns Jack: ThreadHandler: exit Jack: JackPosixThread::Stop JackServer::Open() failed with -1 Jack: Succeeded in unlocking 82213148 byte memory area Jack: JackShmMem::delete size = 0 index = 0 Jack: ~JackDriver no message buffer overruns Jack: ~JackDriver Jack: Succeeded in unlocking 1012 byte memory area Jack: JackShmMem::delete size = 0 index = 1 Jack: cleaning up shared memory Jack: cleaning up files Jack: unregistering server `default' Failed to start server 20:21:51.386 JACK was stopped with exit status=255. 20:21:52.916 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 Tim -- Ubuntu-Studio-users mailing list <a href="mailto:Ubuntu-Studio-users@lists.ubuntu.com" target="_blank">Ubuntu-Studio-users@lists.ubuntu.com</a> Modify settings or unsubscribe at: <a href="https://lists.ubuntu.com/mailman/listinfo/ubuntu-studio-users" target="_blank">https://lists.ubuntu.com/mailman/listinfo/ubuntu-studio-users</a> </blockquote></div>