I have figured out that this happens if the account with which you login into LXDM isn't loged in before. If I login with the console first and then with LXDM the problem doesn't happen anymore (this is why the "restart lxdm" workaround worked).
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/922363 Title: lxdm-binary is using 100% of cpu time To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lxdm/+bug/922363/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs