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

[Daniel C. <dan...@gm...>]

+1.  That fix worked for me.  Although I didn't have nvidia installed, but
I did have it installed previously.

Thanks so much! :D

On Mon, Sep 10, 2012 at 8:02 AM, Andrew McCormick <agm...@gm...>wrote:

> 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
>
>
> ------------------------------------------------------------------------------
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> Exclusive live event will cover all the ways today's security and
> threat landscape has changed and how IT managers can respond. Discussions
> will include endpoint security, mobile security and the latest in malware
> threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/
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