GNU bug report logs - #31591
alsamixer Cannot open shared library libasound_module_ctl_pulse.so

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From: Julien Lepiller <julien <at> lepiller.eu>
To: 31591 <at> debbugs.gnu.org
Subject: bug#31591: alsamixer Cannot open shared library libasound_module_ctl_pulse.so
Date: Fri, 25 May 2018 14:30:10 +0200

Le 2018-05-25 13:18, Oleg Pykhalov a écrit :
> Hello Guix,
> 
> The alsa-service-type service produces /etc/asound.conf with content:
> --8<---------------cut here---------------start------------->8---
> # Generated by 'alsa-service'.
> 
> # Use PulseAudio by default
> pcm.!default {
>   type pulse
>   fallback "sysdefault"
>   hint {
>     show on
>     description "Default ALSA Output (currently PulseAudio Sound 
> Server)"
>   }
> }
> 
> ctl.!default {
>   type pulse
>   fallback "sysdefault"
> }
> --8<---------------cut here---------------end--------------->8---
> 
> This config brokes alsamixer utility (removing asound.conf fixes 
> issue):
> 
> $ alsamixer
> --8<---------------cut here---------------start------------->8---
> ALSA lib dlmisc.c:287:(snd1_dlobj_cache_get) Cannot open shared
> library
> /gnu/store/98fa0av6rsj9kzrhdw45n9k53gp0d4dg-alsa-lib-1.1.6/lib/alsa-lib/libasound_module_ctl_pulse.so
> ((null):
> /gnu/store/98fa0av6rsj9kzrhdw45n9k53gp0d4dg-alsa-lib-1.1.6/lib/alsa-lib/libasound_module_ctl_pulse.so:
> cannot open shared object file: No such file or directory)
> cannot open mixer: No such device or address
> --8<---------------cut here---------------end--------------->8---
> 
> alsa-lib doesn't contain libasound_module_ctl_pulse.so
> 
> $ find /gnu/store/98fa0av6rsj9kzrhdw45n9k53gp0d4dg-alsa-lib-1.1.6/lib
> --8<---------------cut here---------------start------------->8---
> /gnu/store/98fa0av6rsj9kzrhdw45n9k53gp0d4dg-alsa-lib-1.1.6/lib
> /gnu/store/98fa0av6rsj9kzrhdw45n9k53gp0d4dg-alsa-lib-1.1.6/lib/libasound.so
> /gnu/store/98fa0av6rsj9kzrhdw45n9k53gp0d4dg-alsa-lib-1.1.6/lib/libasound.la
> /gnu/store/98fa0av6rsj9kzrhdw45n9k53gp0d4dg-alsa-lib-1.1.6/lib/libasound.so.2
> /gnu/store/98fa0av6rsj9kzrhdw45n9k53gp0d4dg-alsa-lib-1.1.6/lib/pkgconfig
> /gnu/store/98fa0av6rsj9kzrhdw45n9k53gp0d4dg-alsa-lib-1.1.6/lib/pkgconfig/alsa.pc
> /gnu/store/98fa0av6rsj9kzrhdw45n9k53gp0d4dg-alsa-lib-1.1.6/lib/libasound.so.2.0.0
> --8<---------------cut here---------------end--------------->8---
> 
> but alsa-plugins:pulseaudio does
> 
> $ find
> /gnu/store/cfz7jvkzp3k2ginvzz35pyp7zffabksk-alsa-plugins-1.1.6-pulseaudio
> | grep libasound_module_ctl_pulse.so
> --8<---------------cut here---------------start------------->8---
> /gnu/store/cfz7jvkzp3k2ginvzz35pyp7zffabksk-alsa-plugins-1.1.6-pulseaudio/lib/alsa-lib/libasound_module_ctl_pulse.so
> --8<---------------cut here---------------end--------------->8---
> 
> Still after install alsa-utils and alsa-plugins:pulseaudio in my user
> profile (I also have alsamixer in system profile), alsamixer cannot 
> find
> libasound_module_ctl_pulse.so
> 
> Oleg.

Hi Oleg,

I've sent a patch to the mailing list for this issue already. I think 
I'll push it this evening.

https://lists.gnu.org/archive/html/guix-patches/2018-04/msg00351.html

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