Installed devices: pcm0: <NVIDIA (0x0099) (HDMI/DP 8ch)> (play) pcm1: <NVIDIA (0x0099) (HDMI/DP 8ch)> (play) pcm2: <NVIDIA (0x0099) (HDMI/DP 8ch)> (play) pcm3: <Realtek ALC887 (Rear Analog)> (play/rec) pcm4: <Realtek ALC887 (Front Analog)> (play/rec) pcm5: <Realtek ALC887 (Internal Digital)> (play) pcm6: <USB audio> (play/rec) default pcm7: <USB audio> (rec) No devices installed from userspace.