単純な hello world プログラムを実行しようとすると、kivy は黒または透明 (下にあるすべてのものの視覚的なコピー) の画面を表示します。Acer Chromebook C740 で Ubuntu 14.04 を使用しています。これと同様に Linux xfce (chromebook) で Kivy を実行すると黒い画面しか表示されませんが、デュアル ブートの代わりにクルトンが、xfce の代わりに Ubuntu が使用されます。
[INFO ] [Logger ] Record log in /home/wxv/.kivy/logs/kivy_16-03-23_0.txt
[INFO ] [Kivy ] v1.9.1
[INFO ] [Python ] v2.7.6 (default, Jun 22 2015, 17:58:13)
[GCC 4.8.2]
[INFO ] [Factory ] 179 symbols loaded
[DEBUG ] [Cache ] register <kv.lang> with limit=None, timeout=None
[DEBUG ] [Cache ] register <kv.image> with limit=None, timeout=60
[DEBUG ] [Cache ] register <kv.atlas> with limit=None, timeout=None
[INFO ] [Image ] Providers: img_tex, img_dds, img_gif, img_sdl2, img_pil (img_ffpyplayer ignored)
[DEBUG ] [Cache ] register <kv.texture> with limit=1000, timeout=60
[DEBUG ] [Cache ] register <kv.shader> with limit=1000, timeout=3600
[INFO ] [Text ] Provider: sdl2
[DEBUG ] [App ] Loading kv <./my.kv>
[DEBUG ] [App ] kv <./my.kv> not found
[DEBUG ] [Window ] Ignored <egl_rpi> (import error)
[INFO ] [OSC ] using <multiprocessing> for socket
[INFO ] [Window ] Provider: sdl2(['window_egl_rpi'] ignored)
[INFO ] [GL ] OpenGL version <3.0 Mesa 10.1.3>
[INFO ] [GL ] OpenGL vendor <Intel Open Source Technology Center>
[INFO ] [GL ] OpenGL renderer <Mesa DRI Intel(R) Broadwell >
[INFO ] [GL ] OpenGL parsed version: 3, 0
[INFO ] [GL ] Shading version <1.30>
[INFO ] [GL ] Texture max size <8192>
[INFO ] [GL ] Texture max units <32>
[DEBUG ] [Shader ] Fragment compiled successfully
[DEBUG ] [Shader ] Vertex compiled successfully
[DEBUG ] [ImageSDL2 ] Load </usr/lib/python2.7/dist-packages/kivy/data/glsl/default.png>
[INFO ] [Window ] auto add sdl2 input provider
[INFO ] [Window ] virtual keyboard not allowed, single mode, not docked
[DEBUG ] [Resource ] add </usr/share/fonts/truetype> in path list
[DEBUG ] [Resource ] add </usr/share/fonts/truetype/unfonts-core> in path list
[DEBUG ] [Resource ] add </usr/share/fonts/truetype/msttcorefonts> in path list
[DEBUG ] [Resource ] add </usr/share/fonts/truetype/freefont> in path list
[DEBUG ] [Resource ] add </usr/share/fonts/truetype/wqy> in path list
[DEBUG ] [Resource ] add </usr/share/fonts/truetype/ttf-dejavu> in path list
[DEBUG ] [Resource ] add </usr/share/fonts/truetype/droid> in path list
[DEBUG ] [Resource ] add </usr/share/fonts/truetype/liberation> in path list
[DEBUG ] [Resource ] add </usr/share/fonts/truetype/dejavu> in path list
[DEBUG ] [Resource ] add </usr/local/share/fonts> in path list
[DEBUG ] [Resource ] add </usr/lib/python2.7/dist-packages/kivy/data/fonts> in path list
[DEBUG ] [Base ] Create provider from mouse
[DEBUG ] [Base ] Create provider from probesysfs
[DEBUG ] [ProbeSysfs ] using probesysfs!
[INFO ] [Base ] Start application main loop
[INFO ] [GL ] NPOT texture support is available
[DEBUG ] [Atlas ] Load </usr/lib/python2.7/dist-packages/kivy/data/../data/images/defaulttheme.atlas>
[DEBUG ] [Atlas ] Need to load 1 images
[DEBUG ] [Atlas ] Load </usr/lib/python2.7/dist-packages/kivy/data/../data/images/defaulttheme-0.png>
[DEBUG ] [ImageSDL2 ] Load </usr/lib/python2.7/dist-packages/kivy/data/../data/images/defaulttheme-0.png>