Hi Petr, thanks for looking into this. I did not have ubuntu-sounds installed, and I can confirm that installing that package fixes the issue in my system.
I'll add a comment to the new bug with this info. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1684108 Title: Broken Audio infrastructure on Kubuntu 17.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/kubuntu-meta/+bug/1684108/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs