Bug#882077: Traverso doesn't produce sound when used with ALSA

Mickael Viey m.viey at wanadoo.fr
Sat Nov 18 17:24:02 UTC 2017

Package: traverso
Version: 0.49.4-2
Severity: normal

Dear Maintainer,

Traverso doesn't produce sound when used with ALSA. I didn't try with 
jack. There is no particuliar message on shell:

mik at Mikron:~$ traverso
No Hardware specific optimizations in use
Themer:: Using themefile: :/themes/TraversoLight/traversotheme.xml
creating alsa driver ... hw:0|hw:0|512|3|44100|0|0|-|32bit
Creating Null Driver...
Starting AudioDeviceThread..... Running!
Unable to lock memory
Unable to lock memory
Unable to lock memory
Unable to lock memory
Unable to lock memory
Unable to lock memory
Unable to lock memory
Unable to lock memory
Unable to lock memory
Unable to lock memory
Catched the SIGINT signal!
Shutting down Traverso!

Starting to shutdown AudioThread..
AudioDeviceThread finished, stopping driver
Catched multiple signals, aborting !

If I click to help -> User guide I get an HTML page in my browser with 
an error: http://traverso-daw.org/UserManual

    * What led up to the situation?
Play a sound in traverso, doesn't have any result.
    * What exactly did you do (or not do) that was effective (or
I import an audio file in traverso, play it, I can see the file but any 
sound is produced when I play the project.
    * What was the outcome of this action?
no sound produced
    * What outcome did you expect instead?
sound produced

-- System Information:
Debian Release: 9.2
   APT prefers stable-updates
   APT policy: (500, 'stable-updates'), (500, 'stable')
Architecture: amd64 (x86_64)

Kernel: Linux 4.9.0-4-amd64 (SMP w/4 CPU cores)
Locale: LANG=fr_FR.UTF-8, LC_CTYPE=fr_FR.UTF-8 (charmap=UTF-8), 
LANGUAGE=fr_FR.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)

Versions of packages traverso depends on:
ii  libasound2                        1.1.3-5
ii  libc6                             2.24-11+deb9u1
ii  libfftw3-double3                  3.3.5-3
ii  libflac8                          1.3.2-1
ii  libgcc1                           1:6.3.0-18
ii  libjack-jackd2-0 [libjack-0.116] 1.9.10+20150825git1ed50c92~dfsg-5
ii  liblilv-0-0                       0.24.2~dfsg0-1
ii  libmad0                           0.15.1b-8
ii  libmp3lame0                       3.99.5+repack1-9+b2
ii  libogg0                           1.3.2-1
ii  libqt4-xml                        4:4.8.7+dfsg-11
ii  libqtcore4                        4:4.8.7+dfsg-11
ii  libqtgui4                         4:4.8.7+dfsg-11
ii  libsamplerate0                    0.1.8-8+b2
ii  libsndfile1                       1.0.27-3
ii  libstdc++6                        6.3.0-18
ii  libvorbis0a                       1.3.5-4
ii  libvorbisenc2                     1.3.5-4
ii  libvorbisfile3                    1.3.5-4
ii  libwavpack1                       5.0.0-2

traverso recommends no packages.

traverso suggests no packages.

-- no debconf information

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