[Mono-bugs] [Bug 341261] New: Strange error when executing VB6 -> VB.NET migrated code (mscorlib.dll contains native code ??)

bugzilla_noreply at novell.com bugzilla_noreply at novell.com
Tue Nov 13 05:46:07 EST 2007


           Summary: Strange error when executing VB6 -> VB.NET migrated code
                    (mscorlib.dll contains native code ??)
           Product: Mono: Runtime
           Version: 1.2.5
          Platform: Other
        OS/Version: Other
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: misc
        AssignedTo: mono-bugs at ximian.com
        ReportedBy: juanj.g_soria at grupobbva.com
         QAContact: mono-bugs at ximian.com
          Found By: ---

We're trying to migrate some VB6 code to VB.NET and then mono, so that we can
run int on our Linux clusters.

The code depends on native C libraries that are available both in Windows and
Linux. It's been compiled by MS VS 2005.

The test program runs correctly in Windows under MS .NET 2.0 runtime.

What we are seeing is a pop-up in Windows, and a console error output in Linux,
complaining about a object array accessor method "containing native code" in
mscorlib.dll (the mono-supplied one).

The error below is the program output in Linux (amd64, mono When run
under mono on Windows x86, the error is the same, only in pop-up form
and referencing the file "c:\Program

The error output is this:

u514252 at ldmux152:~/test/ntest> mono TreeExecutionTest.exe 

** ERROR **: Method 'System.Object[]:Get (int)' in assembly
'/usr/lib/mono/2.0/mscorlib.dll' contains native code and mono can't run it.
The assembly was probably cre
ated by Managed C++.


  at (wrapper managed-to-native) System.Reflection.MonoMethod.InternalInvoke
(object,object[]) <0x0000b>
  at (wrapper managed-to-native) System.Reflection.MonoMethod.InternalInvoke
(object,object[]) <0xffffffff>
  at System.Reflection.MonoMethod.Invoke
  at System.MonoType.InvokeMember
zation.CultureInfo,string[]) <0x004e3>
  at System.Type.InvokeMember
  at Microsoft.VisualBasic.CompilerServices.LateBinding.LateIndexGet
(object,object[],string[]) <0x00072>
  at Microsoft.VisualBasic.CompilerServices.NewLateBinding.LateIndexGet
(object,object[],string[]) <0x0002d>
  at InterfacesTrees.InterfacesTrees.v_MainBermudanSwaption
(object[],object[],object[],object[],object[2],bool) <0x0041b>
  at TreeExecutionTest.Program.Main (string[]) <0x01410>
  at (wrapper runtime-invoke)
(object,intptr,intptr,intptr) <0xffffffff>

Native stacktrace:

        mono [0x5182f8]
        /lib64/tls/libpthread.so.0 [0x2a959f4260]
        /lib64/tls/libc.so.6(gsignal+0x3d) [0x2a95c822fd]
        /lib64/tls/libc.so.6(abort+0x12e) [0x2a95c838ae]
        /opt/gnome/lib64/libglib-2.0.so.0 [0x2a9579e6b6]
        /opt/gnome/lib64/libglib-2.0.so.0(g_log+0x83) [0x2a9579e743]
        mono [0x505009]
        mono [0x505622]
        mono(mono_runtime_invoke+0xa) [0x455a8a]
        mono(mono_runtime_invoke_array+0x208) [0x45aef8]
        mono [0x4627c0]

Debug info from gdb:

Got a SIGABRT while executing native code. This usually indicates
a fatal error in the mono runtime or one of the native libraries 
used by your application.

u514252 at ldmux152:~/test/ntest>

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