| 2009-01-11 02:26:05 |
Peter Clifton |
bug |
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|
added bug |
| 2009-01-11 06:45:54 |
Daniel T Chen |
pulseaudio: status |
New |
Incomplete |
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| 2009-01-11 06:45:54 |
Daniel T Chen |
pulseaudio: statusexplanation |
|
Is this symptom reproducible with the latest pulseaudio package (0.9.13-2ubuntu5) in jaunty? |
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| 2009-01-12 23:41:14 |
Daniel T Chen |
title |
No audio HP 6730b |
'Front' mixer control element should be unmuted by default on HDA platforms |
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| 2009-01-12 23:48:04 |
Daniel T Chen |
title |
'Front' mixer control element should be unmuted by default on HDA platforms |
'Front' and 'PCM' mixer control elements must be unmuted by default on HDA platforms |
|
| 2009-01-13 21:26:58 |
Bryce Harrington |
pulseaudio: importance |
Undecided |
High |
|
| 2009-01-13 21:26:58 |
Bryce Harrington |
pulseaudio: statusexplanation |
Is this symptom reproducible with the latest pulseaudio package (0.9.13-2ubuntu5) in jaunty? |
This turned out to be the root cause of a sound issue I was having. After updating to latest jaunty this morning and manually re-adding "options snd-hda-intel model=mitac" to enable my 82801H [8086:284b] audio chip (bug #210865), I found that alsa had re-muted my Front and other channels.
On reboot sound acted as if it were muted, but I was quite confused that alsamixer showed only a single channel, unmuted and at full volume. (My System/Preferences/Sound applet is missing and I've no idea what happened to it, but that's a separate issue).
I found by killing pulseaudio, I could unmute in alsamixer, restart pulseaudio, and everything worked again. I also tested using alsamixer -c 0 and believe that should do it too.
alsamixer -c 0 is nice to learn about and something I'll definitely keep in my back pocket for future troubleshooting. However, this doesn't seem to be a very discoverable solution to this problem.
|
|
| 2009-01-13 21:26:58 |
Bryce Harrington |
pulseaudio: milestone |
|
jaunty-alpha-4 |
|
| 2009-01-13 21:55:10 |
Bryce Harrington |
description |
Binary package hint: pulseaudio
On HP 6730b, got no sound output from any application.
Turns out that the PCM channel on the hardware mixer was set to zero / muted, and none of the standard knobs on the Gnome desktop could adjust it.
Fixed on my box with "alsamixer -c 0", although I guess not every new user will immediately jump on that one.
This is tested on Jaunty. |
Binary package hint: pulseaudio
[Problem]
Pulseaudio does not directly expose or allow adjustment of arbitrary mixers on the underlying card.
[Workaround]
a. alsamixer -c 0 # where 0 is the hw id of the audio card
b. alsamixer -Dhw:0 # ditto
c. with the gnome panel applet, if you right-click, choose preferences, and adjust the "Master" and "PCM" channels.
d. shutdown pulseaudio, run alsamixer, and restart pulseaudio
`sudo alsactl store` may need to be run to make the changes persistent.
[Original Report]
On HP 6730b, got no sound output from any application.
Turns out that the PCM channel on the hardware mixer was set to zero / muted, and none of the standard knobs on the Gnome desktop could adjust it.
Fixed on my box with "alsamixer -c 0", although I guess not every new user will immediately jump on that one.
This is tested on Jaunty. pulseaudio package (0.9.13-2ubuntu5)
Pulse audio doesn't appear to expose or allow adjustment of arbitrary mixers on the underlying card.
Is there any mechanism by which pulseaudio can reliably expect the various mixer channels it is relying on to be raised?
|
|
| 2009-01-13 21:56:10 |
Bryce Harrington |
pulseaudio: status |
Incomplete |
Confirmed |
|
| 2009-01-13 21:56:10 |
Bryce Harrington |
pulseaudio: statusexplanation |
This turned out to be the root cause of a sound issue I was having. After updating to latest jaunty this morning and manually re-adding "options snd-hda-intel model=mitac" to enable my 82801H [8086:284b] audio chip (bug #210865), I found that alsa had re-muted my Front and other channels.
On reboot sound acted as if it were muted, but I was quite confused that alsamixer showed only a single channel, unmuted and at full volume. (My System/Preferences/Sound applet is missing and I've no idea what happened to it, but that's a separate issue).
I found by killing pulseaudio, I could unmute in alsamixer, restart pulseaudio, and everything worked again. I also tested using alsamixer -c 0 and believe that should do it too.
alsamixer -c 0 is nice to learn about and something I'll definitely keep in my back pocket for future troubleshooting. However, this doesn't seem to be a very discoverable solution to this problem.
|
|
|
| 2009-04-23 08:30:59 |
Jeffonline |
attachment added |
|
Select Mixer.png http://launchpadlibrarian.net/25873387/Select%20Mixer.png |
|
| 2009-04-28 07:45:47 |
Nicolò Chieffo |
removed subscriber Nicolò Chieffo |
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| 2009-04-30 13:26:06 |
Matteo Gazzoni |
removed subscriber Matteo Gazzoni |
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|
| 2009-06-08 05:44:06 |
Launchpad Janitor |
branch linked |
|
lp:~crimsun/pulseaudio/ubuntu |
|
| 2009-06-08 05:48:27 |
Daniel T Chen |
pulseaudio (Ubuntu): status |
Confirmed |
Fix Committed |
|
| 2009-06-08 05:48:27 |
Daniel T Chen |
pulseaudio (Ubuntu): milestone |
jaunty-alpha-4 |
karmic-alpha-2 |
|
| 2009-06-08 05:48:27 |
Daniel T Chen |
pulseaudio (Ubuntu): assignee |
|
Daniel T Chen (crimsun) |
|
| 2009-06-09 01:00:07 |
Launchpad Janitor |
pulseaudio (Ubuntu): status |
Fix Committed |
Fix Released |
|
| 2010-01-13 06:02:17 |
Launchpad Janitor |
branch linked |
|
lp:ubuntu/pulseaudio |
|
