Hi. I think it was this commit that broke it. http://cgit.freedesktop.org/wayland/weston/commit/?id=3c95e70496ac29f63c50c3f85458418ce1c81102 fbdev-backend also can be used from weston-launch, (if you set permissions on /dev/fb0 for the user group) not just drm-backend
Fixed with commit: c83842
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