Re: Python-visual in latest Ubuntu

I don't have a solution, but I can confirm 3 different systems (all I've tried) with Ubuntu 11.10 having a broken python-visual module. These are 32-bit systems with a variety of video cards (Intel and NVIDIA), so I don't think 64/32-bit or video drivers is the issues.

Two of the systems report the seg fault error; the other reports glib-mm Error about not being able to load glCreateProgramObjectARB. All three of these systems got to 11.10 via upgrade. I do not have any data points for what happens with a clean install.

The apparent brittleness of Vpython on Linux is troublesome.

--John

John Zelle, PhD
Professor of Computer Science
Wartburg College

________________________________
From: Andrew McCormick [[email protected]]
Sent: Monday, November 28, 2011 10:08 AM
To: [email protected]
Cc: Tuomas Airaksinen; vpusers
Subject: Re: [Visualpython-users] Python-visual in latest Ubuntu

Hi All,

I'm been running vpython in Ubuntu 11.04 and then Ubuntu 11.10. I did not encounter any problems with the transition. There is a caveat though: when I installed CUDA on my system and updated my NVIDIA drivers, vpython simply stopped working. I simply could not stop it from segfaulting when any vpython object was declared. The only solution was to entirely reformat and reinstall Ubuntu and not install CUDA.

My guess is that something evil is happening with the gpu drivers for the 64 bit version. Try some older drivers perhaps?

Andy

On Mon, Nov 28, 2011 at 10:54 AM, Bruce Sherwood <[email protected]<mailto:[email protected]>> wrote:
I too have seen the following problem on the latest Ubuntu but thought
it must be a driver problem, and I haven't had the time to look more
deeply. The bug report mentioned here implies that the problem is with
visual. Has someone on this list successfully run python-visual on the
latest version of Ubuntu? If so, what did you have to do? Thanks.

Bruce Sherwood

---------- Forwarded message ----------
From: Tuomas Airaksinen <[email protected]<mailto:[email protected]>>
Date: Mon, Nov 28, 2011 at 2:27 AM
Subject: Python-visual in ubuntu etc.

Hi,

Just a short question: Are you aware of any way to get python-visual
work in Ubuntu
Linux environment. I am using 64 bit Ubuntu 11.10, but I tried with
virtual machine (virtualbox) 32 bit
11.10 and 10.04 versions, and none of them were working.

There are bug reports out there

https://bugs.launchpad.net/ubuntu/+source/python-visual/+bug/787932

but no fix/workaround seem to be around.

I used to find this module very useful but now it just segfaults after
any command like
sphere().

--
Tuomas Airaksinen
Post-doctoral researcher
GSM (work) +358 40 805 3247<tel:%2B358%2040%20805%203247>
Office: Agora AgC 423.3
University of Jyväskylä

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--
Sincerely,

Andrew McCormick

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