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    3d acceleration problems in VM

    see my signature for details of my setup...

    I'm trying to run screensavers and I keep getting this:

    OpenGL Warning: Failed to connect to host. Make sure 3D acceleration is enabled for this VM.
    libGL error: failed to load driver: vboxvideo
    libGL error: Try again with LIBGL_DEBUG=verbose for more details.

    I found a forum post saying you can use glxinfo | grep direct to find out if 3d acceleration is enabled (if it says 'direct rendering: yes' then it is.)
    Well I tried that and this was the output - same error:

    OpenGL Warning: Failed to connect to host. Make sure 3D acceleration is enabled for this VM.
    libGL error: failed to load driver: vboxvideo
    libGL error: Try again with LIBGL_DEBUG=verbose for more details.
    direct rendering: Yes

    In my virtualbox acceleration settings everything is enabled. vbox guest additions are installed and they must be working, because after I installed them a heap of desktop effects suddenly came into action (although I still haven't managed to get the desktop cube thing.)

    WHAT is going on here?

    (I hope this is the right place to post this...)
    "Stella", HP Pavilion 15-ak006TX: KDE Neon User Edition dual-booted with Windows 10, 8gb RAM, Intel i7-6700HQ CPU, NVIDIA GeForce GTX950M graphics, 2 TB hard drive
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