I had the same problem (on a Fedora 6 system), for me upgrading the alsa drivers and tools to 1.0.14 fixed it. According to http://alsa.opensrc.org/index.php/Hda older versions may have known mixer-related problems.
I still need to reload the modules sometimes after playing passthrough digital audio (especially if the app doesn't quit cleanly), but now get the sound back properly after that. -- Alsa loses AC'97 SPDIF output in Feisty https://bugs.launchpad.net/bugs/118861 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
