Re: [PyOpenGL-Users] glutInitDisplay segfault in python, but works in C++

[Alejandro S. <as...@gm...>]

Hello Duong,

On Wed, Feb 23, 2011 at 2:08 PM, Duong Dang <dan...@gm...> wrote:

> On Wed, Feb 23, 2011 at 4:53 PM, Ian Mallett <geo...@gm...> wrote:
> > On Wed, Feb 23, 2011 at 8:38 AM, Alejandro Segovia <as...@gm...>
> > wrote:
> >>
> >> Hello Duong,
> >>
> >> On Wed, Feb 23, 2011 at 11:55 AM, Duong Dang <dan...@gm...>
> wrote:
> >>>
> >>> Hello there,
> >>>
> >>> We are having a problem with PyOpenGL on a Ubuntu 10.04 machine with a
> >>> Intel GMA945 graphics card. The following code works in C++, but its
> >>> counterpart seg-faults in python. Any idea why that is?
> >>
> >> I can't reproduce the problem on an NVIDIA video card,
> >
> > Nor I.
>
> Thanks for testing, we also tried
> http://www.opengl.org/resources/code/samples/redbook/hello.c
> and
>
> http://bazaar.launchpad.net/~mcfletch/pyopengl-demo/trunk/annotate/head:/PyOpenGL-Demo/redbook/hello.py
>
> which should be identical. The c program displays a white square just
> fine but the python script seg faults again on the Intel card.
> On another PC with a nvidia card, both programs work fine.
>

Do you have any other information on the crash? What OS are you running the
script on? If you're on Linux, maybe you could record and inspect a valgrind
dump. I don't know of any equivalent tools for Windows.

Alejandro.-


-- 
Alejandro Segovia Azapian
Director, Algorithmia: Visualization & Acceleration
http://web.algorithmia.net