When running `/usr/bin/jackd -T --verbose -ndefault -p 128 -R -d alsa -n 2 -r 44100 -p 256 -d hw:2,0` from the command line (no clients running), the following is output when I run `jack_lsp -c` Jack: JackSocketServerChannel::Execute : fPollTable i = 1 fd = 9 Jack: JackSocketServerChannel::ClientCreate socket Jack: JackSocketServerChannel::BuildPoolTable size = 3 Jack: JackSocketServerChannel::BuildPoolTable fSocketTable i = 1 fd = 9 Jack: JackSocketServerChannel::BuildPoolTable fSocketTable i = 2 fd = 10 Jack: JackSocketServerChannel::Execute : fPollTable i = 1 fd = 9 Jack: JackSocketServerChannel::Execute : fPollTable i = 2 fd = 10 Jack: JackSocketServerChannel::Execute : poll client error err = Success Jack: Client was not opened : probably correspond to server_check Jack: JackSocketServerChannel::ClientKill ref = -1 fd = 10 Jack: JackClientSocket::Close Jack: JackSocketServerChannel::BuildPoolTable size = 2 Jack: JackSocketServerChannel::BuildPoolTable fSocketTable i = 1 fd = 9 Jack: JackSocketServerChannel::Execute : fPollTable i = 1 fd = 9 Jack: JackSocketServerChannel::ClientCreate socket Jack: JackSocketServerChannel::BuildPoolTable size = 3 Jack: JackSocketServerChannel::BuildPoolTable fSocketTable i = 1 fd = 9 Jack: JackSocketServerChannel::BuildPoolTable fSocketTable i = 2 fd = 10 Jack: JackSocketServerChannel::Execute : fPollTable i = 1 fd = 9 Jack: JackSocketServerChannel::Execute : fPollTable i = 2 fd = 10 Jack: JackRequest::ClientCheck Jack: Check protocol client = 8 server = 8 Jack: JackRequest::ClientOpen Jack: JackEngine::ClientExternalOpen: uuid = 0, name = lsp Jack: JackEngine::AllocateRefNum ref = 2 Jack: JackPosixSemaphore::Allocate name = jack_sem.1000_default_lsp val = 0 Jack: JackSocketNotifyChannel::Open name = lsp Jack: JackClientSocket::Connect : addr.sun_path /dev/shm/jack_lsp_1000_0 Jack: JackShmMem::new index = 2 attached = 9bab3000 size = 377 Jack: JackExternalClient::Open name = lsp index = 2 base = 9bab3000 Jack: JackPosixProcessSync::TimedWait time out = 5000000 Jack: JackPosixProcessSync::TimedWait finished delta = 723.0 Jack: JackEngine::NotifyAddClient: name = lsp Jack: JackDriver::ClientNotify ref = 2 driver = system name = lsp notify = 0 Jack: JackExternalClient::ClientNotify ref = 0 client = lsp name = system notify = 0 Jack: JackDriver::ClientNotify ref = 2 driver = freewheel name = lsp notify = 0 Jack: JackExternalClient::ClientNotify ref = 1 client = lsp name = freewheel notify = 0 Jack: JackSocketServerChannel::ClientAdd ref = 2 fd = 10 Jack: JackSocketServerChannel::BuildPoolTable size = 3 Jack: JackSocketServerChannel::BuildPoolTable fSocketTable i = 1 fd = 9 Jack: JackSocketServerChannel::BuildPoolTable fSocketTable i = 2 fd = 10 Jack: JackSocketServerChannel::Execute : fPollTable i = 1 fd = 9 Jack: JackRequest::Notification Jack: JackEngine::ClientNotify: no callback for notification = 4 Jack: JackEngine::ClientNotify: no callback for notification = 4 Jack: JackEngine::ClientNotify: no callback for notification = 4 Jack: JackDriver::ClientNotify ref = 1 driver = freewheel name = freewheel notify = 18 Jack: JackDriver::ClientNotify ref = 1 driver = freewheel name = freewheel notify = 18 Jack: JackDriver::ClientNotify ref = 1 driver = freewheel name = freewheel notify = 18 Jack: JackDriver::ClientNotify ref = 1 driver = freewheel name = freewheel notify = 18 Jack: JackSocketServerChannel::Execute : fPollTable i = 2 fd = 10 Jack: JackSocketServerChannel::Execute : fPollTable i = 1 fd = 9 Jack: JackSocketServerChannel::Execute : fPollTable i = 2 fd = 10 Jack: JackRequest::ClientClose Jack: JackEngine::ClientExternalClose ref = 2 Jack: JackEngine::ClientCloseAux ref = 2 Jack: JackEngine::ReleaseRefnum server quit JackTemporaryException : now quits... Jack: JackSocketServerChannel::ClientRemove ref = 2 fd = 10 Jack: JackClientSocket::Close Jack: JackSocketServerChannel::BuildPoolTable size = 2 Jack: JackSocketServerChannel::BuildPoolTable fSocketTable i = 1 fd = 9 Jack: JackSocketServerChannel::Execute : fPollTable i = 1 fd = 9 Jack: JackRequest::Notification Jack: JackEngine::ClientNotify: no callback for notification = 4 Jack: JackEngine::ClientNotify: no callback for notification = 4 Jack: JackDriver::ClientNotify ref = 1 driver = freewheel name = freewheel notify = 18 Jack: JackDriver::ClientNotify ref = 1 driver = freewheel name = freewheel notify = 18 Jack: JackDriver::ClientNotify ref = 1 driver = freewheel name = freewheel notify = 18 Jack: JackDriver::ClientNotify ref = 1 driver = freewheel name = freewheel notify = 18 Jack: JackSocketServerChannel::Execute : fPollTable i = 1 fd = 9 Jack: JackSocketServerChannel::Execute : fPollTable i = 1 fd = 9 ... (repeating last polling line) Jack: JackClient::SetupDriverSync driver sem in flush mode Jack: JackPosixSemaphore::Connect name = jack_sem.1000_default_lsp Jack: JackPosixSemaphore::Connect sem_getvalue 0 Jack: Clock source : system clock via clock_gettime Jack: JackLibClient::Open name = lsp refnum = 2 system:capture_1 Jack: WaitGraphChange... system:capture_2 system:capture_3 system:capture_4 system:capture_5 system:capture_6 system:capture_7 system:capture_8 system:capture_9 system:capture_10 system:capture_11 system:capture_12 system:playback_1 system:playback_2 system:playback_3 system:playback_4 system:playback_5 system:playback_6 system:playback_7 system:playback_8 system:playback_9 system:playback_10 Jack: jack_client_close Jack: JackClient::Close ref = 2 Jack: JackClient::Deactivate Jack: JackSocketClientChannel::Stop Jack: JackPosixThread::Kill Jack: JackClientSocket::Close Jack: JackClientSocket::Close Jack: JackPosixSemaphore::Disconnect name = jack_sem.1000_default_lsp Jack: JackLibClient::~JackLibClient Jack: JackShmReadWritePtr1::~JackShmReadWritePtr1 2 Jack: Succeeded in unlocking 377 byte memory area Jack: JackLibGlobals Destroy 2457050 Jack: ~JackLibGlobals Jack: JackPosixSemaphore::Disconnect name = jack_sem.1000_default_system Jack: JackPosixSemaphore::Disconnect name = jack_sem.1000_default_freewheel Jack: no message buffer overruns Jack: JackPosixThread::Stop Jack: JackPosixThread::ThreadHandler : exit Jack: JackShmReadWritePtr::~JackShmReadWritePtr 1 Jack: Succeeded in unlocking 994 byte memory area Jack: JackShmReadWritePtr::~JackShmReadWritePtr 0 Jack: Succeeded in unlocking 17374362 byte memory area Jack: jack_client_close res = 0