Obligatory "me too" post but I do have more information. Clean installed 9.04 64-bit three times over the past week on the same machine with two different soundcards. In all cases sound worked until I ran recommended updates - then no sound. I also lost the TV tuner card and the ability to suspend, hibernate or shut down the machine. aplay -l said no sound cards detected.
policykit showed the following permissions for the sound card - Anyone: No Console: No Active Console: Yes but those permissions were not being applied. Setting "Console" to yes solved the problem and adding Console to shutdown options brought back suspend and hibernate. -- Upgrading to Ubuntu 9.04 resulted in loss of all audio https://bugs.launchpad.net/bugs/370982 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