Here is the corresponding Xorg.log showing a 13 second delay near the end. The modesetting timestamps correspond to the second batch of drm errors in the journal.log
** Attachment added: "v4.6.0-rc1-Xorg.log" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1637347/+attachment/4769011/+files/v4.6.0-rc1-Xorg.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1637347 Title: Xubuntu 16.10: drm errors causing slow boot To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1637347/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
