That error is from a Wayland session but you logged the bug from a Xorg session. Does the bug only occur in Wayland sessions?
Please also run: lspci -kv > lspci.txt and attach the resulting text file here. ** Package changed: gnome-shell (Ubuntu) => mutter (Ubuntu) ** Tags added: wayland-session -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1935901 Title: Braswell video locks up under gnome-shell To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/mutter/+bug/1935901/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs