[Gtkradiant] Gtkradiant broken after system and drivers upgrade

Timothee Besset ttimo at idsoftware.com
Mon Oct 29 09:54:51 CDT 2007

Stick to ATI's official fglrx drivers. That error is clearly a driver


Jose Rodriguez wrote:
> Hi
> I previously sent this from another mail account by mistake so it
> got stuck somewhere. My mistake.
> My Gtkradiant broke after I upgraded from the stable to the
> testing branch of Debian. At the same time, I switched from the ATI
> proprietary driver to the open source one, so I'm unsure about
> which one of these two changes is the culprit for Gtkradiant not
> working.
> I can fire the program up, and even load maps with
> textures in them as long as I don't have the three ortographic
> vews visible. Otherwise it just crashes. With only one of those
> views it stands a bit more before closing itself. I played with the
> options but they didn't make any differece. In the program console
> I can read the following:
> Lighting mode requires OpenGL features not supported by your
> graphics drivers: GL_ARB_shader_objects
>   GL_ARB_vertex_shader
>   GL_ARB_fragment_shader
>   GL_ARB_shading_language_100
> And after it crashes this is what appears in the terminal:
> radiant.x86: vbo/vbo_split_inplace.c:97: flush_vertex: Assertion
> `max_index >= min_index' failed. Aborted
> Could somebody provide some information about how to find out
> what's going on? I'd really like to stay with the open source
> drivers. If there was an issue with them, would it be possible
> somehow to do the missing OpenGL bits via software rendering? As a
> side note, only two days ago somebody I know experienced something
> similar after upgrading to the latest Ubuntu release, but I'm not
> sure about his hardware/drivers whatsoever.
> Thanks
> PS. I use Gtkradiant to map for Open Arena, if that is of any
> importance.
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