Re: [Visualpython-users] Segmentation Fault

Hi Nicolas,

I do experience the same "too slow" behavior on VPython with my
integrated Intel graphics card. Other OpenGL applications run smoothly. I
also get the weird message:
i915_program_error: Exceeded max instructions
<visual.primitives.sphere object at 0x2314c58>

Have you (or anybody in the list) found a fix for this annoyance? It makes
my VPython applications unusable!

Regards,
Samuel

On Wed, Aug 18, 2010 at 2:34 AM, Nicolas Bigaouette
<nbi...@gm...>wrote:

> 2010/8/17 Guenter Schneider <Gue...@ph...>
>
>> I am not surprised that visual runs on nvidia. I never had problems
>> before. For ATI cards the following worked for me (note that my problem was
>> never a complete crash on import but a seg fault for particular commands,
>> but it may work for you).
>>
>> import wx
>> import visual
>>
>> The rational is that wx has proper initialization for opengl while visual
>> does not.
>>
>> Guenter
>>
>
> Wow, ok, so that made it:
>
>> $ python
>> Python 2.6.5 (r265:79063, Aug 17 2010, 14:03:21)
>> [GCC 4.5.1] on linux2
>> Type "help", "copyright", "credits" or "license" for more information.
>> >>> import wx
>> >>> import visual
>> >>> visual.sphere()
>> i915_program_error: Exceeded max instructions
>> <visual.primitives.sphere object at 0x22d47e0>
>>
> and I see a sphere.
>
> I just tried my script and it seems to work. But it is really slow compared
> to pymol with the same data, even on the intel card.. On the nvidia card,
> it's blazing fast...
>
>
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