[GRASSuser] [GRASSLIST:1006] Re: nviz error in grass61

[Glynn Clements]

Alessandro Bigi wrote:

> I have a Grass61 cvs just compiled on a Sarge-2.6.8-686.
> When I run a nviz session, the monitor is empty and the terminal says:
> Xlib:  extension "XFree86-DRI" missing on display ":0.0".

Try "export LIBGL_ALWAYS_INDIRECT=1".

> However I can load previous nviz sessions made with grass60.
> 
> Am I missing some lib? I tried to correct the DRI section in 
> /etc/X11/XF86config as Markus once suggested, but that did not help.

The OpenGL library is trying to use direct rendering but the X server
doesn't support it. It /should/ fall back to indirect rendering; I
don't know why it doesn't.

-- 
Glynn Clements <glynn at gclements.plus.com>