alsa-project/alsa-lib issue #72 was opened from daleclack: I upgraded the newest alsa,but I found my sound card can't found,and sound output is unable to use. My Device:DELL G3 3500 Sound Card:Realtek ALC3254 Terminal Output: [dale-g33500 dale]# lspci | grep -i audio 00:1f.3 Multimedia audio controller: Intel Corporation Device 06c8 01:00.1 Audio device: NVIDIA Corporation Device 10fa (rev a1) [dale-g33500 dale]# cat /proc/asound/cards 0 [NVidia ]: HDA-Intel - HDA NVidia HDA NVidia at 0x83000000 irq 17 [dale-g33500 dale]# cat /proc/asound/version Advanced Linux Sound Architecture Driver Version k5.7.9-1-MANJARO. [dale-g33500 dale]# head -5 /proc/asound/card0/codec#0 Codec: Nvidia GPU 94 HDMI/DP Address: 0 AFG Function Id: 0x1 (unsol 0) Vendor Id: 0x10de0094 Subsystem Id: 0x102809e1 [dale-g33500 dale]# pacman -Q alsa-lib alsa-lib 1.2.3.2-1 The Realtek Sound Card is disappeared! Issue URL : https://github.com/alsa-project/alsa-lib/issues/72 Repository URL: https://github.com/alsa-project/alsa-lib