Steps to reproduce: 1. Configure Weston.ini with seat=back0 Example: output name=HDMI2 seat=back0 2. Launch Weston 3. Execute weston-simple-egl 4. Enter fulscreen via <f11> 5. Simple-egl fullscreen does not work Environment: wayland (HEAD) remotes/origin/HEAD-0-g44bf13b drm (HEAD) heads/master-16-gd686160 mesa (HEAD) remotes/origin/10.2-0-g7ffc855 libva (HEAD) libva-1.3.1-0-g053f70f intel-driver (HEAD) 1.3.1-0-ga720bc8 cairo (HEAD) remotes/origin/1.12-0-g4b65497 libinput (HEAD) heads/master-163-gbb10ec8 weston (HEAD) remotes/origin/HEAD-0-g386754c
Presumably this was fixed a while ago, because this is one of my go-to tests for KMS.
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