After some thinking, I might have a solution to show a traceback for this 
crash.
Just modify the code of spyderlib\widgets\internalshell.py in your 
WinPython installation and replace DEBUG by True at line 168:
http://code.google.com/p/spyderlib/source/browse/spyderlib/widgets/internalshell.py#168
 
This should enable the DEBUG mode only for the internal shell which could 
be sufficient here.
 
-Pierre

Le lundi 19 août 2013 10:27:38 UTC+2, Pierre Raybaut a écrit :

> Unfortunately, I can't reproduce this bug.
>  
> So, considering the fact that there is no traceback (hard crash), the only 
> way to find out where this comes from is to run Spyder from source checkout 
> and update to older revisions until the bug disappears (or the opposite: 
> update to the 2.3.0dev3 revision if it's working and update to newer 
> revisions until the bug shows up).
> If you need assistance, please do not hesitate to ask.
>  
> This may also be related to this bug report:
> http://code.google.com/p/winpython/issues/detail?id=77
>  
> -Pierre
>
> Le samedi 17 août 2013 03:12:10 UTC+2, Jim Passmore a écrit :
>
>> Confirming similar problem running dev5, in a freshly unzipped 32-bit 
>> WinPython 3.3.2.2, on 32-bit Win7.
>>
>>
>> On Monday, August 12, 2013 12:10:28 PM UTC-4, [email protected] wrote:
>>>
>>> Hello,
>>>
>>> I'm experimenting on windows vista 32bit the new spyder 2.3.0.dev5 (as a 
>>> non-manager of my pc). 
>>> (via winpython 3.3.2.2, so python3.3).
>>>
>>> Spyder fails to launch reliabily an IPython (1.0.0) console. Procedure =
>>> - click on "Interpreters-> open an IPython Console",
>>> - I get an opening IPython console the trick about the way to connect to 
>>> an existing IPython Kernel,
>>> - then after about 5 seconds python.exe stops with a debug message :  
>>> "Exception non gérée à 0x00000000 dans python.exe : 0xC0000005: Access 
>>> violation."
>>>
>>>
>>> Does anyone experience the same unfortunate problem ?
>>>
>>>
>>> Nota :
>>> - among the fails, I had two success,
>>> - a "python.exe" process remains in the background (and seems to be the 
>>> launched ipython kernel)
>>> - I tried with mathjax installed, without more success,
>>> - I removed Pylab activation when opening IPython console, no more 
>>> success,
>>> - on the exact same PC, I have not problems with previous spyder 
>>> (2.3.0.dev3) and python1.0.0, except a kind remindermessage 
>>>    "The top-level `frontend` package has been deprecated. "
>>>
>>>

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