# emerge -GK alsa-utils ... # which alsamixer /usr/bin/alsamixer # qfile /usr/bin/alsamixer media-sound/alsa-utils: /usr/bin/alsamixer # alsamixer ALSA lib /var/tmp/portage/media-libs/alsa-lib-1.2.3.2-r1/work/alsa-lib-1.2.3.2/src/conf.c:3817:(config_file_open) cannot access file /etc/alsa/conf.d/10-rate-lav.conf ALSA lib /var/tmp/portage/media-libs/alsa-lib-1.2.3.2-r1/work/alsa-lib-1.2.3.2/src/conf.c:3737:(snd_config_hooks_call) function snd_config_hook_load returned error: No such file or directory ALSA lib /var/tmp/portage/media-libs/alsa-lib-1.2.3.2-r1/work/alsa-lib-1.2.3.2/src/conf.c:4201:(snd_config_update_r) hooks failed, removing configuration cannot open mixer: No such file or directory # readlink /etc/alsa/conf.d/10-rate-lav.conf /usr/share/alsa/alsa.conf.d/10-rate-lav.conf # ls /usr/share/alsa/alsa.conf.d ls: cannot access '/usr/share/alsa/alsa.conf.d': No such file or directory
a similar issue https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=912755
> /usr/share/alsa/alsa.conf.d/10-rate-lav.conf This is installed by alsa-plugins with USE=ffmpeg
alsamixer runs fine for me even without that directory being present (alsa-utils-1.2.8)