Installed devices: pcm0: <NVIDIA (0x0051) (HDMI/DP 8ch)> (play) pcm1: <NVIDIA (0x0051) (HDMI/DP 8ch)> (play) pcm2: <Realtek ALC887 (Rear Analog 7.1/2.0)> (play/rec) default pcm3: <Realtek ALC887 (Front Analog)> (play/rec) pcm4: <Realtek ALC887 (Internal Digital)> (play) No devices installed from userspace.