Jack não connecta no ubuntu 12.04

[Ravi Brasileiro]

Oi gente,

acabei de atualizar o meu sistema e tive uma surpresa na hora de usar o Jack.
Alguém sabe o que pode estar acontecendo e como contornar isso?

11:13:55.262 Patchbay deactivated.
11:13:55.285 Statistics reset.
11:13:55.302 ALSA connection change.
11:13:55.378 D-BUS: Service is available (org.jackaudio.service aka jackdbus).
11:13:55.522 D-BUS: JACK server could not be started. Sorry
Cannot connect to server socket err = Arquivo ou diretório não encontrado
Cannot connect to server socket
jack server is not running or cannot be started
Cannot connect to server socket err = Arquivo ou diretório não encontrado
Cannot connect to server socket
jack server is not running or cannot be started
11:13:55.600 ALSA connection graph change.
Sun Apr 29 11:13:55 2012: Starting jack server...
Sun Apr 29 11:13:55 2012: Jack: server `default' registered
Sun Apr 29 11:13:55 2012: Jack: JackConnectionManager::InitConnections size = 6522944
Sun Apr 29 11:13:55 2012: Jack: JackConnectionManager::InitClients
Sun Apr 29 11:13:55 2012: JACK server starting in realtime mode with priority 76
Sun Apr 29 11:13:55 2012: Jack: JackShmMem::new index = 0 attached = b0350000 size = 82241434
Sun Apr 29 11:13:55 2012: Jack: JackShmMem::new placement size = 13047706
Sun Apr 29 11:13:55 2012: ERROR: Cannot lock down 82241434 byte memory area (Cannot allocate memory)
Sun Apr 29 11:13:55 2012: Jack: JackConnectionManager::InitConnections size = 6522944
Sun Apr 29 11:13:55 2012: Jack: JackConnectionManager::InitClients
Sun Apr 29 11:13:55 2012: Jack: JackConnectionManager::InitConnections size = 6522944
Sun Apr 29 11:13:55 2012: Jack: JackConnectionManager::InitClients
Sun Apr 29 11:13:55 2012: Jack: JackShmMem::new index = 1 attached = b7745000 size = 994
Sun Apr 29 11:13:55 2012: Jack: Succeeded in locking 994 byte memory area
Sun Apr 29 11:13:55 2012: Jack: Create non RT thread
Sun Apr 29 11:13:55 2012: Jack: ThreadHandler: start
Sun Apr 29 11:13:55 2012: Jack: playback device hw:0
Sun Apr 29 11:13:55 2012: Jack: capture device hw:0
Sun Apr 29 11:13:55 2012: Jack: apparent rate = 44100
Sun Apr 29 11:13:55 2012: Jack: frames per period = 1024
Sun Apr 29 11:13:55 2012: Jack: JackDriver::Open capture_driver_name = hw:0
Sun Apr 29 11:13:55 2012: Jack: JackDriver::Open playback_driver_name = hw:0
Sun Apr 29 11:13:55 2012: Jack: Check protocol client = 8 server = 8
Sun Apr 29 11:13:55 2012: Jack: JackEngine::ClientInternalOpen: name = system
Sun Apr 29 11:13:55 2012: Jack: JackEngine::AllocateRefNum ref = 0
Sun Apr 29 11:13:55 2012: Jack: JackPosixSemaphore::Allocate name = jack_sem.1000_default_system val = 0
Sun Apr 29 11:13:55 2012: Jack: JackEngine::NotifyAddClient: name = system
Sun Apr 29 11:13:55 2012: Jack: JackGraphManager::SetBufferSize size = 1024
Sun Apr 29 11:13:55 2012: Jack: JackConnectionManager::DirectConnect first: ref1 = 0 ref2 = 0
Sun Apr 29 11:13:55 2012: Jack: JackGraphManager::ConnectRefNum cur_index = 0 ref1 = 0 ref2 = 0
Sun Apr 29 11:13:55 2012: Jack: JackDriver::SetupDriverSync driver sem in flush mode
Sun Apr 29 11:13:55 2012: control device hw:0
Sun Apr 29 11:13:55 2012: control device hw:0
Sun Apr 29 11:13:55 2012: ERROR: Failed to acquire device name : Audio0 error : Cannot allocate memory
Sun Apr 29 11:13:55 2012: ERROR: Audio device hw:0 cannot be acquired...
Sun Apr 29 11:13:55 2012: Jack: ~JackDriver
Sun Apr 29 11:13:55 2012: ERROR: Cannot initialize driver
Sun Apr 29 11:13:55 2012: Jack: no message buffer overruns
Sun Apr 29 11:13:55 2012: Jack: JackPosixThread::Stop
Sun Apr 29 11:13:55 2012: Jack: ThreadHandler: exit
Sun Apr 29 11:13:55 2012: ERROR: JackServer::Open() failed with -1
Sun Apr 29 11:13:55 2012: Jack: Succeeded in unlocking 82241434 byte memory area
Sun Apr 29 11:13:55 2012: Jack: JackShmMem::delete size = 0 index = 0
Sun Apr 29 11:13:55 2012: Jack: ~JackDriver
Sun Apr 29 11:13:55 2012: Jack: Succeeded in unlocking 994 byte memory area
Sun Apr 29 11:13:55 2012: Jack: JackShmMem::delete size = 0 index = 1
Sun Apr 29 11:13:55 2012: Jack: cleaning up shared memory
Sun Apr 29 11:13:55 2012: Jack: cleaning up files
Sun Apr 29 11:13:55 2012: Jack: unregistering server `default'
Sun Apr 29 11:13:55 2012: ERROR: Failed to open server
Sun Apr 29 11:13:57 2012: Saving settings to "/home/ravi/.config/jack/conf.xml" ...
11:14:25.708 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 = Arquivo ou diretório não encontrado
Cannot connect to server socket
jack server is not running or cannot be started

Obrigado!

[Ravi Brasileiro]

Já reinstalei o jack e nada novo...continua sem funcionar no novo Ubuntu.
Alguém sabe o que pode ter acontecido?

[viermorissette]

Olá amigo!

Me parece configuração do Qjackd.
Especifique o hardware que vc está usando com as configurações do qjackd que vc postou aqui.