Your workaround is working for mine too after restarting system.As you mentioned in #4 it has two drawbacks first volume applet is not useful, second we can't control volume with in tvtime but mute works.
-- mixer: Can't open device /dev/mixer, mixer volume and mute unavailable https://bugs.launchpad.net/bugs/650693 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