I'm facing the same issue on Dell XPS 13 9380 and Type-C dock with 2 displays. Sometimes I'm seeing all 3 screens flashing, sometimes they go black but mouse pointer is visible (and it's moving). Like in the original report, it may take up to 20 seconds for screens to settle.
Could be somehow related to #1883292. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1859955 Title: Long delays and repeated flashing when docking laptop with multiple monitors To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1859955/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
