[IronPython] Trouble with IP 7.0 and VS 2010

Kurt A Richardson kurt at kurtrichardson.com
Mon Aug 9 17:32:47 PDT 2010

Many thanks Dinov

Below is the windbg output after following your instructions:


Microsoft (R) Windows Debugger Version 6.12.0002.633 AMD64
Copyright (c) Microsoft Corporation. All rights reserved.

CommandLine: "C:\Program Files (x86)\Microsoft Visual Studio 
Symbol search path is: *** Invalid ***
* Symbol loading may be unreliable without a symbol search path.           *
* Use .symfix to have the debugger choose a symbol path.                   *
* After setting your symbol path, use .reload to refresh symbol locations. *
Executable search path is:
ModLoad: 00000000`2f400000 00000000`2f48e000   devenv.exe
ModLoad: 00000000`770a0000 00000000`7724b000   ntdll.dll
ModLoad: 00000000`77280000 00000000`77400000   ntdll32.dll
ModLoad: 00000000`74d80000 00000000`74dbf000   C:\Windows\SYSTEM32\wow64.dll
ModLoad: 00000000`74d20000 00000000`74d7c000   
ModLoad: 00000000`74d10000 00000000`74d18000   
(2f88.36fc): Break instruction exception - code 80000003 (first chance)
*** ERROR: Symbol file could not be found.  Defaulted to export symbols 
for ntdll.dll -
00000000`77151340 cc              int     3
0:000> sxe ld clr.dll
0:000> g
(2f88.36fc): WOW64 breakpoint - code 4000001f (first chance)
First chance exceptions are reported before any exception handling.
This exception may be expected and handled.
*** ERROR: Symbol file could not be found.  Defaulted to export symbols 
for ntdll32.dll -
77320995 cc              int     3
0:000:x86> .loadby sos clr
Unable to find module 'clr'
0:000:x86> sxe -c "!pe; !ClrStack; g" clr
0:000:x86> sxe -c "kb30; g" eh
0:000:x86> .symfix
0:000:x86> .reload
Reloading current modules
0:000:x86> g
ModLoad: 00000000`66380000 00000000`669ef000   
00000000`770effda c3              ret


Does anything jump out?  I forgot to mention previously tat I am using 
64-bit Win 7, if that makes any dfference.

Kindest regards, Kurt

On 8/9/2010 1:28 PM, Kurt A Richardson wrote:
> Hi forum
> I've been trying to install IronPython 2.7A1 from codeplex on my 
> Windows 7 box running VS 2010 Pro.  However as soon as I install IP 
> and open VS 2010, VS2010 hangs, and I can't even open a VB code file.  
> Whenever I attempt to open a file VS 2010 gives me the following error:
> Internal error occurred. Additional information: "."
> As soon as I uninstall IronPython 2.7A1, VS2010 starts working 
> properly again.
> I have tried uninstalling/reinstalling VS 2010 several times, but I 
> still can't get it to load-up properly with IronPython 2.7A1 installed.
> Has anyone else seen this behavior?  Any ideas on how I might correct 
> it.  I was hoping to have a IronPython/ASP.NET website ready for a 
> simple demo this Thursday, but am getting nowhere fast.  I have 
> written a number of IronPython libraries to control a XBee transceiver 
> as part of a Smart Home application I'm developing, and want to show 
> that I can switch a fan on/off from a web app remotely.
> Many thanks for any tips and guidance.
> Kurt

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