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

Remon Sijrier remon at traverso-daw.org
Sun Nov 19 13:50:45 UTC 2017


Hello,

Shell message says:

* Creating Null driver
It means creating ALSA driver failed, probably due sound card already in
use by another sound driver (e.g. pulseaudio, gstreamer, phonon etc)
Traverso needs exclusive access to sound card so make sure no other audio
system is active

* Unable to lock memory:
Traverso needs to run with proper real time configuration regarding memory
locking else it will be very unstable and crash
For guide see: http://jackaudio.org/faq/linux_rt_config.html


Remon

2017-11-18 18:24 GMT+01:00 Mickael Viey <m.viey at wanadoo.fr>:

> 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
> ^C
> Catched the SIGINT signal!
> Shutting down Traverso!
>
> Starting to shutdown AudioThread..
> AudioDeviceThread finished, stopping driver
> Catched multiple signals, aborting !
> Abandon
>
>
> 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
>      ineffective)?
> 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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