Please see XorgLog.txt for error message. I worked with same configuration for month or two, and the problems started after restart yesterday.
** Summary changed: - X server stopped loading + X server stopped loading with "Number of created screens does not match number of detected devices." -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1629161 Title: X server stopped loading with "Number of created screens does not match number of detected devices." To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/xorg/+bug/1629161/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs