The problem appear when icon is refreshed, Clementine shows song progress in it's indicator, so every time the progress change, the icon is changed thus dissappear , then reappear again. For skype is the same problem: every time icon is changed, it disappear and reappear again after few secconds.
Output of command : # status indicator-application indicator-application stop/waiting -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1310200 Title: Indicators disappears at the panel To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/unity/+bug/1310200/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs