Hugh, so you can reproduce it without a monitor attached? Please remember to try disabling the Ubuntu Dock extension, like with:
gnome-extensions disable ubuntu-d...@ubuntu.com Then log in again and retest. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2084015 Title: gnome-shell has no response when plug-in unauthorized thunderbolt devices To manage notifications about this bug go to: https://bugs.launchpad.net/oem-priority/+bug/2084015/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs