I have nearly the same problem also with the sound-indicator. On my device, it is sometimes not there after boot. (I mean not the first boot, it is sometimes after some boot.) I am on Ubuntu 15.04 r117 on mako (Nexus 4)
This is a link to the other bug-report: https://bugs.launchpad.net/ubuntu/+source/indicator-sound/+bug/1421943 Maybe it could help -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1415088 Title: [Regression] No datetime indicator on first boot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/indicator-datetime/+bug/1415088/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs