Bug in interaction between freeglut and mesa-7.3-rc2

[Michel Dänzer]

On Fri, 2009-01-16 at 12:14 +0100, Florian Echtler wrote:
> Hello everyone,
> 
> I've found a bug in the interaction between freeglut and mesa. This
> applies to mesa 7.2 and 7.3-rc2 and occurs both with freeglut-current
> and freeglut-2.6.0-rc1. I'm using the radeon driver on a Radeon Mobility
> X1400.
> 
> The bug causes a segfault in libGL.so, though even with debug info
> enabled, I can't see the exact location. However, I can work around the
> bug when, in freeglut, I replace 
> 
>     glXMakeContextCurrent(
>         fgDisplay.Display,
>         window->Window.Handle,
>         window->Window.Handle,
>         window->Window.Context
>     );
> 
> with 
> 
>     glXMakeCurrent(
>         fgDisplay.Display,
>         window->Window.Handle,
>         window->Window.Context
>     );
> 
> According to the GLX spec, these two calls should be equivalent.
> However, the first one causes a segfault, the second one doesn't. So I
> suppose this is really a bug in mesa somewhere.

No. The former is only supported as of GLX 1.3, but your setup only
supports GLX 1.2.


-- 
Earthling Michel Dänzer           |                http://www.vmware.com
Libre software enthusiast         |          Debian, X and DRI developer