Installed devices: pcm0: <NVIDIA (0x0084) (HDMI/DP 8ch)> (play) pcm1: <NVIDIA (0x0084) (HDMI/DP 8ch)> (play) pcm2: <NVIDIA (0x0084) (HDMI/DP 8ch)> (play) pcm3: <NVIDIA (0x0084) (HDMI/DP 8ch)> (play) pcm4: <Realtek ALC887 (Rear Analog)> (play/rec) pcm5: <Realtek ALC887 (Front Analog)> (play/rec) default pcm6: <Realtek ALC887 (Internal Digital)> (play) No devices installed from userspace.