[IronPython] ipy.exe crashes after attempting import in VS 2008 command window

Mon Dec 3 18:59:07 CET 2007

You should be able to get a better stack trace by putting the MS public symbol server in your symbol path.  In VS that's Tools->Options->Debugging->Symbols and then add:

SRV*DownstreamStore*http://msdl.microsoft.com/download/symbols

Where DownstreamStore is some directory like C:\Symbols.

You might have better luck with windbg or cdb (http://www.microsoft.com/whdc/devtools/debugging/installx86.mspx) though.  If you start ipy.exe under windbg and then type in its command line:

sxe clr
sxe eh
g

(1st one enables CLR exceptions, 2nd one enables SEH exceptions, 3rd one runs).  You'll break at an exception and then do:

.symfix
.loadby sos mscorwks
!ClrStack
kb30
!pe
g

(1st one will fix the symbol path to the public server, 2nd one loads "Son of Strike" the CLR debugging tool, 3rd one prints the clr stack, 4th one prints the native stack, 5th one prints the CLR exception (if it can), and the 5th one again continues execution)

and do that for each exception until it exits.

That'd give us the exceptions as they were happening instead of after they happen w/ Watson.

Hopefully it'll repro under windbg...  If that doesn't work then hopefully just getting symbols from the attach after Watson displays it's UI will be more helpful.

-----Original Message-----
From: users-bounces at lists.ironpython.com [mailto:users-bounces at lists.ironpython.com] On Behalf Of Dave Niesman
Sent: Sunday, December 02, 2007 8:16 PM
To: Discussion of IronPython
Subject: Re: [IronPython] ipy.exe crashes after attempting import in VS 2008 command window

Hi,

Back to this after a bit of break:

It is very strange, when I run  from the command line, I do get the
crash. The exception that I get is
Problem signature:
  Problem Event Name:   BEX
  Application Name:     ipy.exe
  Application Version:  2.0.11102.0
  Application Timestamp:        472b9636
  Fault Module Name:    ipy.exe
  Fault Module Version: 2.0.11102.0
  Fault Module Timestamp:       472b9636
  Exception Offset:     00002a2e
  Exception Code:       c0000005
  Exception Data:       00000008
  OS Version:   6.0.6000.2.0.0.256.6
  Locale ID:    1033
  Additional Information 1:     fd34
  Additional Information 2:     e3e44ca885a9c18b4c3311284cf007b1
  Additional Information 3:     de26
  Additional Information 4:     f3db6b6acd06f709d6e82bf62cb9ad3f

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I can launch vs2008 and debug it, but I don't get much of a stack.
>       ipy.exe!00c82a2e()
        [Frames below may be incorrect and/or missing, no symbols loaded for ipy.exe]
        kernel32.dll!76963833()
        ntdll.dll!77a1a9bd()

Interestingly, I don't get the crash in cordbg ipy. I.E,
c:\IronPython\IronPython-2.0A6>"c:\Program Files\Microsoft SDKs\Windows\v6.0A\bi
n\cordbg.exe" ipy
Microsoft (R) Common Language Runtime Test Debugger Shell Version 3.5.21022.8 (R
TM.021022-0800)
Copyright (C) Microsoft Corporation. All rights reserved.

(cordbg) run ipy
Process 4024/0xfb8 created.
Warning: couldn't load symbols for C:\Windows\assembly\GAC_32\mscorlib\2.0.0.0__
b77a5c561934e089\mscorlib.dll
[thread 0x1234] Thread created.
Warning: couldn't load symbols for c:\IronPython\IronPython-2.0A6\ipy.exe
Warning: couldn't load symbols for c:\IronPython\IronPython-2.0A6\Microsoft.Scri
pting.dll
Warning: couldn't load symbols for c:\IronPython\IronPython-2.0A6\IronPython.dll

Warning: couldn't load symbols for C:\Windows\assembly\GAC_MSIL\System\2.0.0.0__
b77a5c561934e089\System.dll
Warning: couldn't load symbols for c:\IronPython\IronPython-2.0A6\IronPython.Mod
ules.dll
Warning: couldn't load symbols for snippets1
Warning: couldn't load symbols for snippets1
Warning: couldn't load symbols for Anonymously Hosted DynamicMethods Assembly
Warning: couldn't load symbols for site
Warning: couldn't load symbols for site
Warning: couldn't load symbols for C:\Windows\assembly\GAC_32\ISymWrapper\2.0.0.
0__b03f5f7f11d50a3a\ISymWrapper.dll
IronPython console: IronPython 2.0A6 (2.0.11102.00) on .NET 2.0.50727.1433
Copyright (c) Microsoft Corporation. All rights reserved.
>>>

Any suggestions?

Thanks,

Dave

On Nov 30, 2007 11:41 AM, Dino Viehland <dinov at exchange.microsoft.com> wrote:
> This seems to work fine for me (same config apparently unless you're on 64-bit Vista - Vista, VS2008 RTM, .NET 3.5).  Do you get an exception outputted or do you just get the Watson UI saying an application has crashed?
>
> One option might be to run under cordbg to see what the problem is, e.g.: cordbg .\ipy.exe -c "import os"
>
> If you can let us know what exception it seems to be crashing on then it'll help us repro it or fix it :).
>
>
> -----Original Message-----
> From: users-bounces at lists.ironpython.com [mailto:users-bounces at lists.ironpython.com] On Behalf Of Dave Niesman
> Sent: Friday, November 30, 2007 7:23 AM
> To: Iron Python Mailing List
> Subject: [IronPython] ipy.exe crashes after attempting import in VS 2008 command window
>
> Hi,
>
> Can anyone else confirm this behavior?
>
> I can run ipy.exe fine from a command line. However, if I start a
> Visual Studio 2008 command window, (this is just %comspec% /k
> ""C:\Program Files\Microsoft Visual Studio 9.0\VC\vcvarsall.bat""
> x86), and then "import os" ipy.exe crashes. Furthermore, all future
> invocations of ipy.exe crash until the machine is rebooted! This is
> repeatable on my machine.
>
>
> Environment: .net35, Vista, VS2008 ipy 2.0a6.
>
> Thanks,
>
> Dave
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