Please try adding this to /etc/environment as a workaround: MUTTER_DEBUG_FORCE_KMS_MODE=simple
and then reboot. ** Tags added: amdgpu ** Tags added: multimonitor -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-shell in Ubuntu. https://bugs.launchpad.net/bugs/2035016 Title: one of 3 monitors "frozen" when a window moves there To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-shell/+bug/2035016/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs