with the lp1766076 kernel, removing all the parameters after "quiet" (I'm thinking the ones before that are required for successful boot), the thunderbolt connects successfully on boot.
Attached dmesg log. ** Attachment added: "lp1766076-boot-dmesg-tbconnected.log" https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1856161/+attachment/5314567/+files/lp1766076-boot-dmesg-tbconnected.log -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1856161 Title: Thunderbolt dock fails to connect USB devices To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1856161/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs