New comment by biopsin on void-packages repository

https://github.com/void-linux/void-packages/pull/31286#issuecomment-859574866

Comment:
today I noticed, for the first time, running this for a while on x86_64_glibc

```
ALSA lib conf.c:5560:(snd_config_expand) Parse arguments error: Invalid argument
ALSA lib confmisc.c:1369:(snd_func_refer) Unable to find definition 'cards.USB-A
udio.pcm.default_playback_dmix_yes:CARD=1cards.USB-Audio.pcm.default_playback_dm
ix_yes:CARD=1'
ALSA lib conf.c:5088:(_snd_config_evaluate) function snd_func_refer returned err
or: No such file or directory
ALSA lib conf.c:5088:(_snd_config_evaluate) function snd_func_refer returned err
or: No such file or directory
ALSA lib conf.c:5576:(snd_config_expand) Evaluate error: No such file or directo

```
and dmix broke, think restart will resolve it for now..
EDIT: # alsactl restore yealds
```
No state is present for card VMini
alsa-lib parser.c:2372:(load_toplevel_config) Unable to find the top-level configuration file
'/usr/share/alsa/ucm2/ucm.conf'.
alsa-lib main.c:1402:(snd_use_case_mgr_open) error: failed to import hw:0 use case configuration -2
Found hardware: "USB-Audio" "USB Mixer" "USB13b2:00a2" "" ""
Hardware is initialized using a generic method
No state is present for card VMini
```
nope, dmix suddently broke out of nowhere, and I thought alsa-ucm-conf is optional