For anyone else getting this message, also make sure you do not have any other sound applications open. I was trying to launch Audacity after killing esd, but it was still failing because Rhythmbox was open on another workspace.
** Summary changed: - Can't find sound devices + Error message when launching audacity and no sound devices listed under playback/recording preferences ** Description changed: - No device show up - - No device show up. pop-up at startup: - + Upon launching audacity, the following message appears in a dialog box: "There was an error initializing the audio i/o layer. You will not be able to play or record audio. Error: Host error" - No device are showing in the Playback or Recording preferences. + No devices show up in the Playback or Recording preferences. All other sound applications work fine, but audacity. strace file available. -- Error message when launching audacity and no sound devices listed under playback/recording preferences https://launchpad.net/bugs/337 -- universe-bugs mailing list universe-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/universe-bugs