On 10/01/2018 14:13, Cedric.Flageul at ijs.si wrote: > Debian is running inside a Virtual Machine (VirtualBox Version 5.2.2 r119230 (Qt5.6.2)) with no 2D / 3D graphic acceleration. > This is probably the reason. jogl (the opengl lib that Scilab uses) needs good opengl driver support. S