[Mono-bugs] [Bug 501897] New: Input/Output error when examining / debugging objects in VS

[bugzilla_noreply at novell.com]

http://bugzilla.novell.com/show_bug.cgi?id=501897


           Summary: Input/Output error when examining / debugging objects
                    in VS
    Classification: Mono
           Product: Mono: Tools
           Version: 0.1
          Platform: i586
        OS/Version: openSUSE 11.1
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: Visual Studio Integration
        AssignedTo: martin at novell.com
        ReportedBy: twiest at novell.com
         QAContact: mono-bugs at lists.ximian.com
                CC: jpobst at novell.com
          Found By: Component Test


Description of Problem:
When I'm looking through the locals pad in VS, while remotely debugging a
winforms app, I get this error a bunch of times:
** Message: x86-linux-ptrace.c:9: 21896 - Input/output error

Also, all of the objects inside of "Base" object, all of the objects say their
value is "Evaluation of ... failed"

This was found in MonoVS 0.1p4.


Steps to reproduce the problem:
1. Open Visual Studio.
2. Create a new winforms project.
   1. File
   2. New Project
   3. Visual C#
   4. Windows
   5. Windows Forms Application
3. Run monovs-gui-server in a terminal (so you can see the error)
4. Double click on the form in VS
5. Add "Console.WriteLine();" for Form1_Load
6. Set a breakpoint on the Console.WriteLine line in VS
7. Click: Mono->Debug Remotely in Mono
8. Select a server.
9. Wait for the breakpoint to be hit
10. In VS, in the "Locals" page, expand the "this" object
11. Expand the "Base" object underneath the this object
12. Notice the errors in the Linux terminal where you ran monovs-gui-server


Actual Results:
** Message: x86-linux-ptrace.c:9: 21896 - Input/output error


Expected Results:
No error.


How often does this happen? 
Every time (I tried it twice with the above steps).

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