Does the situation improve if you add this to /etc/environment?; MUTTER_DEBUG_ENABLE_ATOMIC_KMS=0
Does it at least replace the freeze with just one black screen? ** Changed in: gnome-shell (Ubuntu) Status: Incomplete => Confirmed ** Changed in: mutter (Ubuntu) Status: Incomplete => Confirmed -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to mutter in Ubuntu. https://bugs.launchpad.net/bugs/1970495 Title: Window manager freezes when plugging in USB-C dock with external monitor. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/1970495/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs