[Debian-med-packaging] Bug#790120: praat: sound playback delay, random freeze after about 10-20 playbacks

[Rafael Laboissiere]

Control: tags -1 moreinfo

Hi Jakob,

Could you please check whether the bug persists in version 6.0.4-2 of the 
package?

Thanks,

Rafael

* Jakob Wiedner <koutsch at gmx.net> [2015-06-27 14:04]:

> Package: praat
> Version: 5.4.0-1
> Severity: important
>
> Dear Maintainer,
>
> when playing back a sound file (i tried wav and mp3) in the View/Edit window 
> there is a considerable delay of several seconds. After 2nd or 3rd time the 
> delay disappears and it works fine for several times. Rondomly after 10-20 
> times, praat freezes entirely and can just be closed by killing it.
>
> Terminal output as follows:
>
> FIRST PLAYBACK: 
> ALSA lib pcm_dsnoop.c:618:(snd_pcm_dsnoop_open) unable to open slave 
> ALSA lib pcm_dmix.c:1022:(snd_pcm_dmix_open) unable to open slave 
> ALSA lib pcm.c:2239:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.rear 
> ALSA lib pcm.c:2239:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.center_lfe 
> ALSA lib pcm.c:2239:(snd_pcm_open_noupdate) Unknown PCM cards.pcm.side 
> ALSA lib pcm_dmix.c:1022:(snd_pcm_dmix_open) unable to open slave 
> ALSA lib pcm.c:7843:(snd_pcm_recover) underrun occurred 
> ALSA lib pcm.c:7843:(snd_pcm_recover) underrun occurred 
> SECOND PLAYBACK: 
> ALSA lib pcm.c:7843:(snd_pcm_recover) underrun occurred 
> ALSA lib pcm.c:7843:(snd_pcm_recover) underrun occurred
>
> After that no more delays when playback immediately after.
>
>
>
> -- System Information: 
> Debian Release: 8.1 
>  APT prefers stable 
>  APT policy: (500, 'stable') 
> Architecture: amd64 (x86_64) 
> Foreign Architectures: i386
>
> Kernel: Linux 3.16.0-4-amd64 (SMP w/4 CPU cores)
> Locale: LANG=en_GB.utf8, LC_CTYPE=en_GB.utf8 (charmap=UTF-8)
> Shell: /bin/sh linked to /bin/dash
> Init: systemd (via /run/systemd/system)
>
> Versions of packages praat depends on: 
> ii  libasound2           1.0.28-1 
> ii  libatk1.0-0          2.14.0-1 
> ii  libc6                2.19-18 
> ii  libcairo2            1.14.0-2.1 
> ii  libfontconfig1       2.11.0-6.3 
> ii  libfreetype6         2.5.2-3 
> ii  libgcc1              1:4.9.2-10 
> ii  libgdk-pixbuf2.0-0   2.31.1-2+b1 
> ii  libglib2.0-0         2.42.1-1 
> ii  libgtk2.0-0          2.24.25-3 
> ii  libpango-1.0-0       1.36.8-3 
> ii  libpangocairo-1.0-0  1.36.8-3 
> ii  libpangoft2-1.0-0    1.36.8-3 
> ii  libstdc++6           4.9.2-10 
> ii  oss-compat           6 
> ii  python               2.7.9-1
>
> Versions of packages praat recommends: 
> ii  xfonts-100dpi             1:1.0.3 
> ii  xfonts-100dpi-transcoded  1:1.0.3 
> ii  xfonts-75dpi              1:1.0.3 
> ii  xfonts-75dpi-transcoded   1:1.0.3
>
> praat suggests no packages.
>
> -- no debconf information
>