I also have the same problem now on Pop!_OS 20.04 after installing some updates. I suspect libasound2:amd64 (1.2.2-2.1ubuntu2, 1.2.2-2.1ubuntu2.1) beeing responsible, since this is the only sound related update that I installed today.
I also tried 20.10 two weeks ago and had the exact same issue there, so I went back to 20.04 ... -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1901157 Title: [Raven/Raven2/FireFlight/Renoir AMD Ryzen] No Sound at all To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1901157/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs