Terminal output when using "./minetest":

Irrlicht Engine version 1.7.2
Linux 3.0.0-24-generic #5trisquel1 SMP Sun Aug 12 11:19:46 UTC 2012 i686
Creating X window...
Visual chosen: : 222
failed to create drawable
X Error: BadDrawable (invalid Pixmap or Window parameter)
From call : X_CreateGC
X Error: BadDrawable (invalid Pixmap or Window parameter)
From call : X_CreateGC
X Error: BadDrawable (invalid Pixmap or Window parameter)
From call : X_GetGeometry
X Error: BadDrawable (invalid Pixmap or Window parameter)
From call : X_GetGeometry
X Error: BadDrawable (invalid Pixmap or Window parameter)
From call : X_GetGeometry
Using renderer: OpenGL 2.1
Software Rasterizer: Mesa Project
OpenGL driver version is 1.2 or better.
GLSL version: 1.2
X Error: BadDrawable (invalid Pixmap or Window parameter)
From call : X_GetGeometry
X Error: BadDrawable (invalid Pixmap or Window parameter)
From call : X_GetGeometry
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