I found the two bugs below may be related to my bug report. Removing the accountsservice check of lightdm will fix the issue.
This bug is fixed, if it's not a regression, that fix doesn't work on the slow greeter problem. https://bugs.launchpad.net/ubuntu/+source/accountsservice/+bug/1443178 This one is still pending. https://bugs.launchpad.net/ubuntu/+source/accountsservice/+bug/996791 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1773517 Title: lightdm takes too long to show up To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/1773517/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs