Re: [Visualpython-users] seg faulting (SOLVED)

[Andrew M. <agm...@gm...>]

John,

That fix works for me! Wonderful! If I ever find myself in Iowa, I owe you
dinner.

Andrew

On Mon, Sep 10, 2012 at 10:43 AM, John Zelle <joh...@wa...>wrote:

> Hi All,
>
> I think we have tracked down the problem with Vpython seg faulting on 64
> bit Ubuntu with NVIDIA drivers. It appears that some packages install a
> minor version upgrade of some glx libraries that cause the breakage. The
> following command restores a working VPython for us:
>
> sudo apt-get install libgl1-mesa-glx=8.0.2-0ubuntu3
> libglapi-mesa=8.0.2-0ubuntu3
>
> This reverts from the 8.0.3 version of these packages down to the 8.0.2
> that was the original install and that the stock NVIDIA drivers are
> apparently built against.
>
> So we now have Vpython working on 64-bit Ubuntu using both the stock
> NVIDIA drivers and python-visual that come with Ubuntu.
>
> --John
>
> John Zelle, PhD
> Professor of Computer Science
> Wartburg College
>
>
> ________________________________________
> From: Bruce Sherwood [Bru...@nc...]
> 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 <joh...@wa...>
> 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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-- 
Sincerely,

Andrew McCormick