Public bug reported:
Possible error with driver snd_ca0106 inside ALSA on Ubuntu 12.04.4 (new
installation).
When using VLC with a SoundBlaster Audigy SE PCI and 5.1 Speakers
Output, often sound stops working and audio device is missing, after
10-30 seconds audio device returns and if I restart VLC, audio returns.
This is what syslog shows when that happens:
Mar 8 11:16:36 8300-CMT rtkit-daemon[1821]: Successfully made thread 20626 of
process 20144 (n/a) owned by '1000' RT at priority 5.
Mar 8 11:16:36 8300-CMT rtkit-daemon[1821]: Supervising 5 threads of 1
processes of 1 users.
Mar 8 11:17:01 8300-CMT CRON[20639]: (root) CMD ( cd / && run-parts --report
/etc/cron.hourly)
Mar 8 11:22:06 8300-CMT pulseaudio[20776]: [pulseaudio] main.c: Servidor
configurado por usuario en
{53979ae799832e7f5deb1bbd00000004}unix:/home/jorejarena/.pulse/53979ae799832e7f5deb1bbd00000004-runtime/native,
que parece ser local. Probando más a fondo.
Mar 8 11:22:06 8300-CMT rtkit-daemon[1821]: Successfully made thread 20779 of
process 20779 (n/a) owned by '1000' high priority at nice level -11.
Mar 8 11:22:06 8300-CMT rtkit-daemon[1821]: Supervising 1 threads of 1
processes of 1 users.
Mar 8 11:22:06 8300-CMT pulseaudio[20779]: [pulseaudio] pid.c: Stale PID file,
overwriting.
Mar 8 11:22:06 8300-CMT rtkit-daemon[1821]: Successfully made thread 20780 of
process 20779 (n/a) owned by '1000' RT at priority 5.
Mar 8 11:22:06 8300-CMT rtkit-daemon[1821]: Supervising 2 threads of 1
processes of 1 users.
Mar 8 11:22:11 8300-CMT pulseaudio[20782]: [pulseaudio] main.c: Servidor
configurado por usuario en
{53979ae799832e7f5deb1bbd00000004}unix:/home/jorejarena/.pulse/53979ae799832e7f5deb1bbd00000004-runtime/native,
que parece ser local. Probando más a fondo.
Mar 8 11:22:11 8300-CMT pulseaudio[20783]: [pulseaudio] main.c: Servidor
configurado por usuario en
{53979ae799832e7f5deb1bbd00000004}unix:/home/jorejarena/.pulse/53979ae799832e7f5deb1bbd00000004-runtime/native,
que parece ser local. Probando más a fondo.
Mar 8 11:22:11 8300-CMT kernel: [ 4959.264535] 3:3:1: cannot get freq at ep
0x82
Mar 8 11:22:16 8300-CMT kernel: [ 4964.268888] 3:3:1: cannot get freq at ep
0x82
Mar 8 11:22:22 8300-CMT kernel: [ 4969.693450] 3:3:1: cannot get freq at ep
0x82
Mar 8 11:22:27 8300-CMT kernel: [ 4974.697672] 3:3:1: cannot get freq at ep
0x82
Mar 8 11:22:27 8300-CMT rtkit-daemon[1821]: Successfully made thread 20786 of
process 20779 (n/a) owned by '1000' RT at priority 5.
Mar 8 11:22:27 8300-CMT rtkit-daemon[1821]: Supervising 3 threads of 1
processes of 1 users.
Mar 8 11:22:27 8300-CMT rtkit-daemon[1821]: Successfully made thread 20787 of
process 20779 (n/a) owned by '1000' RT at priority 5.
Mar 8 11:22:27 8300-CMT rtkit-daemon[1821]: Supervising 4 threads of 1
processes of 1 users.
Mar 8 11:22:27 8300-CMT rtkit-daemon[1821]: Successfully made thread 20788 of
process 20779 (n/a) owned by '1000' RT at priority 5.
Mar 8 11:22:27 8300-CMT rtkit-daemon[1821]: Supervising 5 threads of 1
processes of 1 users.
Mar 8 11:22:27 8300-CMT rtkit-daemon[1821]: Successfully made thread 20791 of
process 20791 (n/a) owned by '1000' high priority at nice level -11.
Mar 8 11:22:27 8300-CMT rtkit-daemon[1821]: Supervising 6 threads of 2
processes of 1 users.
Mar 8 11:22:27 8300-CMT pulseaudio[20791]: [pulseaudio] pid.c: Daemon already
running.
Mar 8 11:22:27 8300-CMT rtkit-daemon[1821]: Successfully made thread 20793 of
process 20793 (n/a) owned by '1000' high priority at nice level -11.
Mar 8 11:22:27 8300-CMT rtkit-daemon[1821]: Supervising 6 threads of 2
processes of 1 users.
Mar 8 11:22:27 8300-CMT pulseaudio[20793]: [pulseaudio] pid.c: Daemon already
running.
Mar 8 11:22:27 8300-CMT pulseaudio[20779]: [alsa-sink] alsa-sink.c: ALSA nos
despertó para escribir nuevos datos al dispositivo, ¡pero en realidad no hay
nada para escribir!
Mar 8 11:22:27 8300-CMT pulseaudio[20779]: [alsa-sink] alsa-sink.c:
Probablemente sea un error en el controlador ALSA «snd_ca0106». Informe esto a
los desarrolladores de ALSA.
Mar 8 11:22:27 8300-CMT pulseaudio[20779]: [alsa-sink] alsa-sink.c: Nos
despertaron con POLLOUT -- sin embargo, una llamada a snd_pcm_avail() devolvió
0 u otro valor < min_avail.
If I play sound using the same components changing configuration from 5.1 to
Stereo output, audio works flawlessly.
** Affects: alsa-driver (Ubuntu)
Importance: Undecided
Status: New
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https://bugs.launchpad.net/bugs/1289811
Title:
Audio lost, sound device dissapears briefly when using VLC and 5.1
output with SoundBlaster Audigy SE and Ubuntu 12.04.4
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