Bug#583227: jackd: Clients spew debug output since jack2 transition

Wed May 26 14:31:29 UTC 2010

Package: jackd
Version: 1.9.5~dfsg-13
Severity: important

SInce I upgraded to jack2 via apt-get, all of my JACK clients
seems to spew totally useless debug information to stdout.

For a simple example, here is the output of jack_lsp:

Jack: JackClient::SetupDriverSync driver sem in flush mode
Jack: JackPosixSemaphore::Connect jack_sem.1000_default_lsp
Jack: Already connected name = lsp
Jack: Clock source : system clock via clock_gettime
Jack: JackLibClient::Open name = lsp refnum = 2
system:capture_1
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:capture_13
system:capture_14
system:capture_15
system:capture_16
system:capture_17
system:capture_18
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
system:playback_11
system:playback_12
system:playback_13
system:playback_14
system:playback_15
system:playback_16
system:playback_17
system:playback_18
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 jack_sem.1000_default_lsp
Jack: JackLibClient::~JackLibClient
Jack: JackShmReadWritePtr1::~JackShmReadWritePtr1 2
Jack: Succeeded in unlocking 111 byte memory area
Jack: JackLibGlobals Destroy 1da4050
Jack: ~JackLibGlobals
Jack: JackPosixSemaphore::Disconnect jack_sem.1000_default_system
Jack: JackPosixSemaphore::Disconnect jack_sem.1000_default_freewheel
Jack: JackPosixSemaphore::Disconnect jack_sem.1000_default_lsp
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: JackPosixSemaphore::Disconnect 
Jack: no message buffer overruns
Jack: ThreadHandler: exit
Jack: JackPosixThread::Stop
Jack: JackShmReadWritePtr::~JackShmReadWritePtr 1
Jack: Succeeded in unlocking 994 byte memory area
Jack: JackShmReadWritePtr::~JackShmReadWritePtr 0
Jack: Succeeded in unlocking 82208666 byte memory area
Jack: jack_client_close res = 0

As you can see, there is debug output before and after
the list of available ports.  Previously, jack_lsp would
only list the available ports to stdout.

I see similar behaviour with clients like mplayer -ao jack.

-- System Information:
Debian Release: squeeze/sid
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: amd64 (x86_64)

Kernel: Linux 2.6.32-trunk-amd64 (SMP w/4 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash

Versions of packages jackd depends on:
ii  coreutils                 8.5-1          GNU core utilities
ii  debconf [debconf-2.0]     1.5.32         Debian configuration management sy
ii  libasound2                1.0.22-2       shared library for ALSA applicatio
ii  libc6                     2.10.2-9       Embedded GNU C Library: Shared lib
ii  libcelt0-0                0.7.1-1        The CELT codec runtime library
ii  libdbus-1-3               1.2.24-1       simple interprocess messaging syst
ii  libexpat1                 2.0.1-7        XML parsing C library - runtime li
ii  libgcc1                   1:4.4.4-2      GCC support library
ii  libjack0                  1.9.5~dfsg-13  JACK Audio Connection Kit (librari
ii  libncurses5               5.7+20100313-2 shared libraries for terminal hand
ii  libreadline6              6.1-2          GNU readline and history libraries
ii  libsamplerate0            0.1.7-3        Audio sample rate conversion libra
ii  libsndfile1               1.0.21-2       Library for reading/writing audio 
ii  libstdc++6                4.4.4-2        The GNU Standard C++ Library v3
ii  python                    2.5.4-9        An interactive high-level object-o

Versions of packages jackd recommends:
ii  jackd-firewire             1.9.5~dfsg-13 JACK Audio Connection Kit (FFADO a
ii  libpam-modules             1.1.1-3       Pluggable Authentication Modules f
ii  qjackctl                   0.3.6-1       User interface for controlling the

Versions of packages jackd suggests:
ii  jack-tools                    0.0.2-7    various JACK tools: plumbing, play
pn  libjackasyn0                  <none>     (no description available)
pn  meterbridge                   <none>     (no description available)

-- debconf information:
* jackd/tweak_rt_limits: true

-- 
CYa,
  ⡍⠁⠗⠊⠕ | Debian Developer <URL:http://debian.org/>
  .''`. | Get my public key via finger mlang/key at db.debian.org
 : :' : | 1024D/7FC1A0854909BCCDBE6C102DDFFC022A6B113E44
 `. `'
   `-      <URL:http://delysid.org/>  <URL:http://www.staff.tugraz.at/mlang/>