Here is the log file. The first time I restarted everything worked as expected. The second time I got the blank screen, so it seems like a race condition somewhere.
** Attachment added: "lightdm.log" https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/1164753/+attachment/3622192/+files/lightdm.log ** Changed in: lightdm (Ubuntu) Status: Incomplete => New -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1164753 Title: boots to a black screen with a cursor To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/lightdm/+bug/1164753/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs