it's not a lightdm issue, it happens the same way with normal sessions... udisks should perhaps help there?
** Package changed: lightdm (Ubuntu) => udisks2 (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1084188 Title: should unmount the devices owned by an user who logs out To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nautilus/+bug/1084188/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs