It was due to upgrade from 7.10. In fresh install works sound properly after wake up .
Mark as closed? -- sound configuration reseted after wake up https://bugs.launchpad.net/bugs/317062 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
