I tracked down the problem to the `accounts-daemon` process. Once I disabled that, as described in the link below, my problems seem to have gone away. indicator-sound-service, unity-settings-daemon, ... are all behaving correctly.
I have yet to figure out what impact disabling the `accounts-daemon` process has, though. http://askubuntu.com/questions/685193/what-starts-accounts-daemon -- You received this bug notification because you are a member of DX Packages, which is subscribed to indicator-session in Ubuntu. Matching subscriptions: dx-packages https://bugs.launchpad.net/bugs/1523698 Title: indicator-session is leaking memory on ubuntu 15.10 Status in indicator-session package in Ubuntu: Incomplete Bug description: The `indicator-session-service` is slowly leaking memory, after a while it has used up over 10 gigabytes of RAM and swap and the entire system freezes. I've reinstalled the entire OS, and even started using a new home folder, but it's still happening. indicator-session: Geïnstalleerd: 12.10.5+15.10.20150915-0ubuntu1 Kandidaat: 12.10.5+15.10.20150915-0ubuntu1 Versietabel: *** 12.10.5+15.10.20150915-0ubuntu1 0 500 http://be.archive.ubuntu.com/ubuntu/ wily/main amd64 Packages 100 /var/lib/dpkg/status To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/indicator-session/+bug/1523698/+subscriptions -- Mailing list: https://launchpad.net/~dx-packages Post to : dx-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~dx-packages More help : https://help.launchpad.net/ListHelp
