this is another side effect of module-swith-on-port-available since iec958 does not support jack detection
you need to comment the loading of this module in default.pa and set iec958 as default sink file bug report if pulseaudio cannot save the default-sink setting when you select iec958 as default sink https://bugs.freedesktop.org/enter_bug.cgi?product=PulseAudio -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1256511 Title: Sounds settings lost after reboot To manage notifications about this bug go to: https://bugs.launchpad.net/pulseaudio/+bug/1256511/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs