I am having a similar problem as well. Totem and Rhythmbox does not work in 8.04. I get "Playback Error Failure to create stream: (null)" I did a clean install of 8.04 rather then upgrade.
-- failed to connect stream after ubuntu upgrade https://bugs.launchpad.net/bugs/216300 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs