Thanks for the bug report, why do you think dbus using cpu is a lightdm issue? One reason of the cpu usage could be that a client is "spamming" the bus, is there high activity reported on the bus by dbus-monitor when that happens?
** Changed in: lightdm (Ubuntu) Importance: Undecided => Low -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gdm in Ubuntu. https://bugs.launchpad.net/bugs/1176481 Title: dbus-daemon consumes 100% cpu after login in ubuntu 13.04 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gdm/+bug/1176481/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs