Re: [gentoo-user] no sound with pulseaudio

[Tamer Higazi]

Am 29.09.2011 01:27, schrieb Canek Peláez Valdés:
> On Wed, Sep 28, 2011 at 7:08 PM, Tamer Higazi <th982a@××××××××××.com> wrote:
>> Am 29.09.2011 00:03, schrieb Canek Peláez Valdés:
>>> On Wed, Sep 28, 2011 at 5:49 PM, Tamer Higazi <th982a@××××××××××.com> wrote:
>>>> Am 28.09.2011 23:28, schrieb Canek Peláez Valdés:
>>>>> On Wed, Sep 28, 2011 at 5:24 PM, Tamer Higazi <th982a@××××××××××.com> wrote:
>>>>>> Hi!
>>>>>> I have configured pulseaudio according
>>>>>>
>>>>>> http://en.gentoo-wiki.com/wiki/PulseAudio
>>>>>>
>>>>>>
>>>>>> but I simply have no sound.
>>>>>>
>>>>>> The pulseaudio playback volume meter shows me signal, and that the bars
>>>>>> are jumping if I playback a music track.
>>>>>>
>>>>>> alsa-plugins (with pulseaudio USE flag)
>>>>>> gst-plugins-pulse
>>>>>>
>>>>>> are installed. But I don't know what is being blocked, that I have no
>>>>>> sound output at my headphones.
>>>>>>
>>>>>> PS: the headphones are ok.
>>>>>>
>>>>>> Any suggestions?
>>>>>
>>>>> What music player are you using? Did you set or modify ~/.asoundrc?
>>>>
>>>> ~/.asoundrc doesn't exist.
>>>>
>>>> I have /etc/asound.conf with these entries:
>>>>
>>>>
>>>> pcm.pulse {
>>>>    type pulse
>>>> }
>>>>
>>>> ctl.pulse {
>>>>    type pulse
>>>> }
>>>>
>>>> for all alsa applications to be redirected to pulse!
>>>
>>> Mmmh. It's not exactly like that: If you use pcm.pulse and ctl.pulse,
>>> then you need to specify pulse as the virtual ALSA device. If you want
>>> "all alsa applications to be redirected to pulse", you need:
>>>
>>> pcm.!default {
>>>     type pulse
>>> }
>>>
>>> ctl.!default {
>>>     type pulse
>>> }
>>>
>>>> The players Rhythmbox, xine all with pulseaudio default output plugins.
>>>
>>> That should work. Did you check in sound settings that pulse is indeed
>>> the desired output
>>>
>>>>> What Desktop do you use?
>>>>
>>>> Gnome, latest 2.x version
>>>>
>>>>  Is the pulseaudio daemon running?
>>>>
>>>> Yes!
>>>>
>>>> tamer@office ~ $ pstree -pu | grep puls
>>>>
>>>> |-pulseaudio(22833,tamer)-+-gconf-helper(22840)---{gconf-helper}(22841)
>>>>        |                         |-{pulseaudio}(22839)
>>>>        |                         `-{pulseaudio}(22842)
>>>
>>> Looks OK.
>>>
>>>> I have added all config files in "/etc/pulse/"
>>>
>>> I wouldn't touch the files on /etc/pulse. I recommend first trying to
>>> make it work with the files included with pulseaudio (backup
>>> /etc/pulse, move the dir out of /etc and emerge again pulseaudio)
>>> before trying anything else. Supposedly, pulseaudio should "just
>>> works". Since the first time I installed it I have never touched the
>>> files in /etc/pulse, except to change the log-level of the daemon.
>>>
>> As requested, I moved the pulse folder somewhere else and remerged
>> pulseaudio as well moved /etc/asound.conf somewhere else as well.
>>
>> No sound!
>
> Weird.
>
>>> I'm on GNOME 3, so things are a little different, and I don't remember
>>> exactly the dialogs, but instead of the Gentoo wiki page, I would
>>> follow this:
>>>
>>> http://www.pulseaudio.org/wiki/PerfectSetup
>>>
>>> And more specifically:
>>>
>>> http://www.pulseaudio.org/wiki/PerfectSetup#GNOME
>>>
>>> and
>>>
>>> http://www.pulseaudio.org/wiki/PerfectSetup#GStreamerApplications
>>>
>>> Also, in really weird cases, the ALSA device gets its volume muted:
>>> You can try to remove (back up first) /etc/asound.conf, and run (as
>>> root)
>>>
>>> alsamixer -V all
>>
>> I did, and fired all the bars up. nothing! really nothing!
>
> Really weird.
>
>>> and trying to unmute and turn up the volume on everything. When you
>>> hear something with any player, return the asound.conf to /etc and try
>>> again.
>>>
>>> Regards.
>>
>> I have the dumb feeling that one process is blocking the output, I hear
>> in my headphones the white noise of my system, which wouldn't be there
>> if the soundcard hadn't been initialised.
>
> It's more simple than that: if you see the bars movind in the mixer
> application, some sound should be made.
>
>> Is there a way to find out which applications might make use of the
>> soundcard right now?!
>
> Probably with strace or a similar tool; however, let me see first if
> I'm understanding the problem. This is a laptop?

A usual tower machine! Core2 DUO, nothing's special!

 If so, the sound
> works without headphones? The internal speakers work?

with the headphones all the time....

There are no internal speakers (not a notebook)
>
> Also, can you please post the output of "pactl list"?
Yes of course, here it is:

http://pastebin.com/raw.php?i=wDgy3x64
>
> Regards.

thanks


Tamer