Re: seg faulting

Hi Bruce,

I don't think your experience is irrelevant. I also suspect that the Boost updates play a part in this (Of course, I ALWAYS suspect Boost).. It may be that there are multiple breakage points in the Ubuntu packaging. Unfortunately, there does not appear to be a simple way to recursively "reinstall all dependencies" of the python-visual package.It appears that some library is getting tweaked, but the python-visual package is perfectly happy with the update until one actually tries to run VPython.

Anyway, I'll let you know when we track it down.

--John

John Zelle, PhD
Professor of Computer Science
Wartburg College


________________________________________
From: Bruce Sherwood [[email protected]]
Sent: Monday, September 03, 2012 10:45 AM
To: vpusers
Subject: Re: [Visualpython-users] seg faulting

I guess this proves that my experience with the Boost libraries is
irrelevant. Thanks for this further analysis.

Bruce Sherwood

On Mon, Sep 3, 2012 at 7:38 AM, John Zelle <john.zelle-EcGxh6Kpiib2fBVCVOL8/[email protected]> wrote:
> Hi All,
>
> Let me second what Guy is saying. I am attempting to run VPython using the stock Ubuntu package (python-visual Ubuntu 12.04, 64 bit), not building it myself.  It works out of the box with a clean install and update of all installed packages. However, it appears that some other package that I install later on breaks VPython. It also appears that the issue is somehow tied to NVIDIA drivers, since I don't have this problem on machines with Intel graphics. Others have reported that the seg fault starts after updating the NVIDIA pacakges for CUDA. I have not done that (yet), so it appears the problem is more general than that. Hopefully, we'll be able to track down the offending packages once I get some lab help back later this week.
>
> --John
>
> John Zelle, PhD
> Professor of Computer Science
> Wartburg College

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