I reproduced this bug on gutsy some time ago, but now it works out of the box (doesn't mean there is no bug).
** Changed in: xfce4-mixer (Ubuntu) Status: Invalid => Incomplete -- Volume Control plugin can't be added to xfce4-panel https://bugs.launchpad.net/bugs/90261 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