I remember seing this same behavior / solution with a SiS s17012 onboard sound setup on a clone PC. Just mentioning it for good keyword karma ;)
I'll be checking into it next week when I have access to the machine. I think there are other bugs related to this. -- On-board SIS sound card needs muted "IEC958" https://launchpad.net/bugs/19648 -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
