I have somewhat similar behavior on Lenovo T470p with external displayport monitor connected via Thinkpad Ultra Dock on stock Ubuntu 17.04 (4.10.0-42-generic x86_64), but in my case it occurs after some days of plugging in&out and ends with kernel panic (see screen photo).
** Attachment added: "kernelpanic.png" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1597267/+attachment/5028365/+files/kernelpanic.png -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1597267 Title: ThinkPad X260 connecting external DisplayPort hangs system To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1597267/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
