For me, this issue has now been resolved; I assume due to the pulseaudio package updates that I installed yesterday, but it might have been fixed for a few days longer.
** Changed in: alsa-driver (Ubuntu) Status: New => Fix Released -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1883054 Title: Built-in audio device not available until alsa is reloaded To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1883054/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs