Public bug reported:
Binary package hint: pulseaudio
ubuntu jaunty 9.04,
updated from ubuntu intrepid 8.10,
newest updates,
pulseaudio 1:0.9.14-0ubuntu20.1,
alsa-utils 1.0.18-1ubuntu11
In intrepid pulseaudio and alsa worked fine. Now they are broken.
There are several similar bug reports i read before. But this seems to be
another problem.
After a clean restart (no suspend or hibernate) there are two possible
ways for pulseaudio and alsa, and the decision, which one is gone, seems
to be random:
* 1st way
One time playback of audio and video files works fine in vlc, totem, amarok,
firefox flash addon.
* 2nd way
And the other time playback of audio files looks fine, but there is no sound.
Perhaps it plays on a channel/card that's not existing. Perhaps something is
muted. Perhaps there's a misunderstanding between pulseaudio, alsa and the
soundcard.
Notice: beep (via apt-get install beep) always works fine via soundcard
(not the system speaker).
I checked several mixers: gnome-volume-control, alsamixer. Everything is
unmuted and set to 100.
* Pulseaudio Mixer
Master => unmuted, 100
* Alsa Mixer (Intel)
Master, Master M, Headphon, PCM, Line, CD, Mic, Phone, IEC958 P, PC Speak, Aux
=> unmuted, 100
* Oss Mixer
Speaker, PCM-2, In-gain, Digital-1 = unmuted, 100
What does't work
* "alsamixer -c 0" for setting the "front" volume to "100", because there is no
"front"
* purging and reinstalling alsa and pulseaudio
It's driving me crazy. Rebooting 3 times for a working audio playback is
not what i wanted.
Here are my sound devices:
aplay -l
**** List of PLAYBACK Hardware Devices ****
card 0: I82801DBICH4 [Intel 82801DB-ICH4], device 0: Intel ICH [Intel
82801DB-ICH4]
Subdevices: 0/1
Subdevice #0: subdevice #0
card 0: I82801DBICH4 [Intel 82801DB-ICH4], device 4: Intel ICH - IEC958 [Intel
82801DB-ICH4 - IEC958]
Subdevices: 1/1
Subdevice #0: subdevice #0
Thank you!
** Affects: pulseaudio (Ubuntu)
Importance: Undecided
Status: New
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pulseaudio/alsa randomly blocks or mutes sound in jaunty
https://bugs.launchpad.net/bugs/383876
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