Complement:

GlSurf 2.0 that uses no thread works on my BSD Box (so it is not a 
problem with the NVidia driver for FreeBSD)

GlSurf 2.1 also crashes with vmthread ... but a bit later and this is 
more difficult to reproduce . (I can send the source if you want, but it 
is not ready for distribution)

I know that NVidia driver are not thread safe, but only yhe main thread 
does openGL call and it works for Linux.

Gerd Stolpmann wrote:
> Am Don, 2003-09-11 um 15.49 schrieb Christophe Raffalli:
> 
>>Her is a small file (simplified from GlSurf)
>>that SEGV on FreeBSD 4.3 (with NVidia driver ...) and ocaml-3.07beta2
>>If you remove the line with thread.yeld it does not SEGV. note:
>>thread.yeld is not called since Glut.mainLoop is not started, so I am
>>  puzzled.
>>
>>Note: all the examples in lablglut distributions appear to work on my 
>>FreeBSD box and the same program (GlSurf) works on Linux, windows and OSX.
>>
>>So there is a problem when you use FreeBSD+lablGL/GLUT+thread (you need 
>>the three of them)
> 
> 
> Maybe another incarnation of this (non-)bug:
> 
> http://caml.inria.fr/bin/caml-bugs/not%20a%20bug?id=1820;page=47;user=guest
> 
> It seems that FreeBSD's libc_r is not stable enough.
> 
> Gerd

-- 
Christophe Raffalli
Université de Savoie
Batiment Le Chablais, bureau 21
73376 Le Bourget-du-Lac Cedex

tél: (33) 4 79 75 81 03
fax: (33) 4 79 75 87 42
mail: Christophe.Raffalli@univ-savoie.fr
www: http://www.lama.univ-savoie.fr/~RAFFALLI
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