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Re: [Visualpython-users] Segmentation fault on Ubuntu 10.04 (64 bit).
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From: Venkat R. <ven...@gm...> - 2010-07-12 16:31:02
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Sorry, I meant to send this to the list. By default, "Reply" seems to send
only to the person involved and not to the list.
Thanks,
Venkat.
On Mon, Jul 12, 2010 at 12:28 PM, Venkat Ramanan <ven...@gm...>wrote:
> Thanks for the probable cause. But I'm not sure how to solve it. I've
> already installed the latest recommended driver from Ubuntu. "System > Admin
> > Hardware Drivers" shows the latest recommended Nvidia driver (195.36.24).
>
> However, when I checked the Nvidia site, they've released a new driver
> (256.35), but Ubuntu hasn't picked it up yet. Does anyone know how often
> Ubuntu updates its Nvidia drivers? Otherwise, I may need to manually install
> Nvidia driver (and re-install it whenever there is a kernel update which is
> a pain).
>
> Bye,
> Venkat.
>
>
> On Fri, Jul 9, 2010 at 3:32 PM, Bruce Sherwood <bas...@nc...> wrote:
>
>> I too have NVIDIA graphics and have installed the proprietary "NVIDIA
>> accelerated graphics driver (current version)", starting from the menu
>> System > Administration > Hardware Drivers. Is that what you did?
>>
>> I'll say again that the error you're seeing has in the past been
>> associated with a graphics driver problem.
>>
>> Bruce Sherwood
>>
>>
>> On Fri, Jul 9, 2010 at 11:47 AM, Venkat Ramanan <ven...@gm...>wrote:
>>
>>> I compiled the latest Vpython (5.32) from source.
>>>
>>> After installing all the dependencies, I had to do a couple of changes
>>> previously described by Bruce in other threads.
>>>
>>> However, the freshly installed vpython still fails.
>>>
>>> $ python
>>> Python 2.6.5 (r265:79063, Apr 16 2010, 13:57:41)
>>> [GCC 4.4.3] on linux2
>>> Type "help", "copyright", "credits" or "license" for more information.
>>> >>>
>>> >>>
>>> >>> from visual import *
>>> >>> version
>>> ('5.32', 'release')
>>> >>>
>>> >>> sphere()
>>> Segmentation fault
>>>
>>> I'm not sure where this comes from. I'd be grateful for any hints to
>>> solve this.
>>>
>>> Thanks,
>>> Venkat.
>>>
>>> On Fri, Jul 9, 2010 at 12:30 PM, Venkat Ramanan <ven...@gm...>wrote:
>>>
>>>> Hi Bruce,
>>>>
>>>> Thanks for the confirmation.
>>>>
>>>> I'm not sure what is wrong here. Is there a way to enable debug info to
>>>> find the source of the problem?
>>>>
>>>> I'll try to build the latest Vpython (5.32) from source and see if it
>>>> works. It looks like Ubuntu-10.04 still has the old version (5.12).
>>>>
>>>> Thanks,
>>>> Venkat.
>>>>
>>>> On Fri, Jul 9, 2010 at 12:14 PM, Bruce Sherwood <bas...@nc...>wrote:
>>>>
>>>>> Here's what is said about this on the Linux download page at
>>>>> vpython.org, valid for both 32-bit and 64-bit Ubuntu:
>>>>>
>>>>> First check to see whether VPython is already available as a package
>>>>> for your Linux. For example, there is a "python-visual" package on Ubuntu.
>>>>> (Unfortunately, this package for Ubuntu 9.10 is broken; to make it work you
>>>>> need to install the Boost 1.38 libraries referenced below. The package for
>>>>> Ubuntu 10.04 does work, and you might consider upgrading to 10.04.).
>>>>>
>>>>> So no, you shouldn't have to do anything special about the Boost
>>>>> libraries. The python-visual package should resolve all dependencies, and
>>>>> this package does work on Ubuntu 10.04, both 32-bit and 64-bit (or at least
>>>>> it works on my own 32-bit and 64-bit machines). The symptom would seem to
>>>>> indicate a problem with the graphics driver, but you say you're using the
>>>>> NVIDIA driver, and glxgear works, so I don't know what can be the source of
>>>>> your problem.
>>>>>
>>>>> Bruce Sherwood
>>>>>
>>>>> On Fri, Jul 9, 2010 at 9:24 AM, Venkat Ramanan <ven...@gm...>wrote:
>>>>>
>>>>>> Hi all,
>>>>>>
>>>>>> Last week I updated my ubuntu to 10.04 64 bit. I then installed
>>>>>> vpython from default ubuntu repositories.
>>>>>>
>>>>>> But even a minimal vpython program gives a segfault.
>>>>>>
>>>>>> $ python
>>>>>> Python 2.6.5 (r265:79063, Apr 16 2010, 13:57:41)
>>>>>> [GCC 4.4.3] on linux2
>>>>>> Type "help", "copyright", "credits" or "license" for more information.
>>>>>> >>> from visual import *
>>>>>> >>> sphere()
>>>>>> Segmentation fault
>>>>>>
>>>>>> I remember for the last Ubuntu (9.10), I had to update the boost
>>>>>> library to get it working. Does the same problem exist under 10.04?
>>>>>>
>>>>>> I'm using Nvidia binary drivers. glxgears works fine. I'd be grateful
>>>>>> for any hints to make it work again.
>>>>>>
>>>>>> >>> import visual
>>>>>> >>> visual.version
>>>>>> ('5.12', 'release')
>>>>>>
>>>>>> Thanks,
>>>>>> Venkat.
>>>>>>
>>>>>>
>>>>>>
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>>>>>>
>>>>>
>>>>>
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>>>>
>>>
>>
>
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