I dont think this is a pulseaudio bug. I actually have a similar bug with similar behavior but I decided to update the alsa stack and it fixed it.
https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1300844 Try updating sound as these instructions https://wiki.ubuntu.com/Audio/UpgradingAlsa/DKMS -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1302253 Title: [GA-78LMT-USB3, Realtek ALC887-VD, Green Line Out, Rear] Pulseaudio fails to detect card To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1302253/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
