[Pkg-alsa-devel] Bug#845090: Bug#845090: /usr/bin/alsamixer: alsamixer -c0 starts pulseaudio

[Elimar Riesebieter]

Control: tags -1 unreproducible

* Juha Jäykkä <juhaj at iki.fi> [2016-11-20 18:15 +0000]:

> > alsamixer doesn't fire up any puls daemon. Please check whether
> > puls is running before starting alsamixer.
> 
> It should not, but it certainly does:
> 
> juhaj at meissa 18:07:16 ~> ps -flyu juhaj|grep pulseau
> S juhaj     9740  9724  0  99  19  2204  3488 -      18:07 pts/4    00:00:00 
> grep pulseau
> Today is 20.11.2016, I am running on tty 4 and currently controlling 0 jobs
> juhaj at meissa 18:07:31 ~> alsamixer -c0
> /usr/bin/pulseaudio: line 3: /var/log/mpd/mpd.runs.pulseaudio.at: Permission 
> denied
> W: [pulseaudio.real] main.c: /proc/self/exe does not point to /usr/bin/
> pulseaudio, cannot self execute. Are you playing games?
> Today is 20.11.2016, I am running on tty 4 and currently controlling 0 jobs
> juhaj at meissa 18:07:39 ~> ps -flyu juhaj|grep pulseau
> S juhaj     9746     1  7  69 -11 10840 166267 -     18:07 ?        00:00:00 /
> usr/bin/pulseaudio.real --start --log-target=syslog
> S juhaj     9752  9746  0  80   0  5336 30992 -      18:07 ?        00:00:00 /
> usr/lib/pulseaudio/pulse/gconf-helper
> S juhaj     9756  9724  0  99  19  2160  3488 -      18:07 pts/4    00:00:00 
> grep pulseau
> Today is 20.11.2016, I am running on tty 4 and currently controlling 0 jobs
> juhaj at meissa 18:07:40 ~> 

What do you want to tell me here? It seems your pulseaudio
installation is a bit buggy. I can't reproduce.

> I do not think this behaviour is correct. The user juhaj is pristine, and 
> default.pa comes from the deb, except I've added

default.pa comes from pulseaudio or xrdp package. There is no
instruction to start pulse in any alsa package.

> load-module module-alsa-sink device=dmix:CARD=AudioPCI,DEV=1
> 
> just before 
> 
> .ifexists module-udev-detect.so
> load-module module-udev-detect
> .else
> ### Use the static hardware detection module (for systems that lack udev 
> support)
> load-module module-detect
> .endif
> 
> > BTW: do you have more then one soundcard installed? If not just run
> > alsamixer without any option.
> 
> Your guess is correct. A total of three soundcards, although only two are 
> relevant here: the third one is a webcam which only has a microphone, no 
> speakers.
> 
> Now that you mention it, while alsamixer -c1 and alsamixer -c2 also start 
> pulseaudio, only alsamixer -c0 causes any volumes to change.
> 
> Which makes me wonder perhaps 
> 
> load-module module-alsa-sink device=dmix:CARD=AudioPCI,DEV=1
> 
> has something to do with the changing of the mute setting. Having said that, I 
> don't really mind if pulseaudio gets started as long as it does not screw up 
> the mixer settings in the process: I can always configure other software to 
> use alsa explicitly if I need to.
> 
> So I still think the problem is that pulseaudio gets started in the first 
> place.

It seems that pulse is fired up by mpd?

Elimar
-- 
  355/113: Not the famous irrational number pi,
           but an incredible simulation!
	                -unknown