I found solution with command: "sudo apt purge timidity-daemon", and then reboot. After this, sound works like sharm.
Source: https://askubuntu.com/questions/1085174/no-sound-after-upgrade- to-18-10-only-a-dummy-device-is-shown/1085992#1085992 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1801538 Title: no sound after upgrading to ubuntu 18.10 from 18.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/pulseaudio/+bug/1801538/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
