Default sink name: alsa_output.pci-0000_00_14.5.iec958-stereo post the pulseaudio verbose log to find out why pulseaudio select iec958 as default sink
https://wiki.ubuntu.com/PulseAudio/Log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1254448 Title: [ATIIXP - ATI SB400 AC97, Realtek ALC655, playback] No sound at all To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1254448/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs