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Examples.Program.Main doesn't quite work on a Mac

Posted Thursday, 29 November, 2012 - 21:59 by AndyKorth
Project:The Open Toolkit library
Version:1.x-dev
Component:Code
Category:bug report
Priority:normal
Assigned:Unassigned
Status:open
Description

I noticed some problems while trying out the Example Browser that comes with OpenTK.

While it initially launches fine:
http://i.imgur.com/R5QzD.png

After running a demo then closing that demo, the application hangs for a bit, then Mono crashes hard.

It seems to suggest this is the cause of the crash:

  at (wrapper managed-to-native) System.Windows.Forms.XplatUICarbon.ReceiveNextEvent (uint,intptr,double,bool,intptr&) <IL 0x00034, 0xffffffff>
  at System.Windows.Forms.XplatUICarbon.GetMessage (object,System.Windows.Forms.MSG&,intptr,int,int) [0x000ab] in /private/tmp/monobuild/build/BUILD/mono-2.10.9/mcs/class/Managed.Windows.Forms/System.Windows.Forms/XplatUICarbon.cs:1372
  at System.Windows.Forms.XplatUI.GetMessage (object,System.Windows.Forms.MSG&,intptr,int,int) [0x00000] in /private/tmp/monobuild/build/BUILD/mono-2.10.9/mcs/class/Managed.Windows.Forms/System.Windows.Forms/XplatUI.cs:710
  at System.Windows.Forms.Application.RunLoop (bool,System.Windows.Forms.ApplicationContext) [0x003de] in /private/tmp/monobuild/build/BUILD/mono-2.10.9/mcs/class/Managed.Windows.Forms/System.Windows.Forms/Application.cs:852
  at System.Windows.Forms.Application.Run (System.Windows.Forms.ApplicationContext) [0x00014] in /private/tmp/monobuild/build/BUILD/mono-2.10.9/mcs/class/Managed.Windows.Forms/System.Windows.Forms/Application.cs:724
  at System.Windows.Forms.Application.Run (System.Windows.Forms.Form) [0x00000] in /private/tmp/monobuild/build/BUILD/mono-2.10.9/mcs/class/Managed.Windows.Forms/System.Windows.Forms/Application.cs:707
  at Examples.Program.Main () [0x00063] in /Users/kortham/projects/opentk/Source/Examples/Main.cs:63
  at (wrapper runtime-invoke) object.runtime_invoke_void (object,intptr,intptr,intptr) <IL 0x0004c, 0xffffffff>

Unfortunately, this has sort of reached the level of my debugging skills. It appears this is happening inside code I don't have, the Windows.Forms application stuff.

My system information:
OS X 10.8.2
Graphics NVIDIA GeForce 9400M 256 MB
(and on my second mac, which is a Radeon 5870 HD)

Mono JIT compiler version 2.10.9 (tarball Mon May 7 20:25:51 EDT 2012)
Architecture: x86
LLVM: yes(2.9svn-mono)

OpenTK version: 3125 out of SVN (latest as of this writing)

The full crash report is here:
https://gist.github.com/7e6e5b25c1a742b326da

It's rather lengthy since it includes the stacktrace of the native code where it died, etc.


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AndyKorth's picture

#1

Posted Thursday, 20 December, 2012 - 00:10 by AndyKorth

Additionally there seems to be some issues inside OpenTK.Examples.Properties.Resources.get_App().

               object obj = ResourceManager.GetObject("App", resourceCulture);

This one seems to only occur on my 10.8.2 machine, and not my 10.7 machine. I'll need to look into it a bit more, but this should serve as a reminder to me.

Unhandled Exception: System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---> System.ArgumentException: Stream is not a valid .resources file!  It was possibly truncated. ---> System.IO.EndOfStreamException: Failed to read past end of stream.
  at System.IO.BinaryReader.FillBuffer (Int32 numBytes) [0x00000] in <filename unknown>:0 
  at System.IO.BinaryReader.ReadInt32 () [0x00000] in <filename unknown>:0 
  at System.Resources.ResourceReader.ReadHeaders () [0x00000] in <filename unknown>:0 
  --- End of inner exception stack trace ---
  at System.Resources.ResourceReader.ReadHeaders () [0x00000] in <filename unknown>:0 
  at System.Resources.ResourceReader..ctor (System.IO.Stream stream) [0x00000] in <filename unknown>:0 
  at System.Resources.ResourceSet..ctor (System.IO.UnmanagedMemoryStream stream) [0x00000] in <filename unknown>:0 
  at System.Resources.RuntimeResourceSet..ctor (System.IO.UnmanagedMemoryStream stream) [0x00000] in <filename unknown>:0 
  at (wrapper managed-to-native) System.Reflection.MonoCMethod:InternalInvoke (System.Reflection.MonoCMethod,object,object[],System.Exception&)
  at System.Reflection.MonoCMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] in <filename unknown>:0 
  --- End of inner exception stack trace ---
  at System.Reflection.MonoCMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] in <filename unknown>:0 
  at System.Reflection.MonoCMethod.Invoke (BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] in <filename unknown>:0 
  at System.Activator.CreateInstance (System.Type type, BindingFlags bindingAttr, System.Reflection.Binder binder, System.Object[] args, System.Globalization.CultureInfo culture, System.Object[] activationAttributes) [0x00000] in <filename unknown>:0 
  at System.Activator.CreateInstance (System.Type type, System.Object[] args, System.Object[] activationAttributes) [0x00000] in <filename unknown>:0 
  at System.Activator.CreateInstance (System.Type type, System.Object[] args) [0x00000] in <filename unknown>:0 
  at System.Resources.ResourceManager.InternalGetResourceSet (System.Globalization.CultureInfo culture, Boolean createIfNotExists, Boolean tryParents) [0x00000] in <filename unknown>:0 
  at System.Resources.ResourceManager.InternalGetResourceSet (System.Globalization.CultureInfo culture, Boolean createIfNotExists, Boolean tryParents) [0x00000] in <filename unknown>:0 
  at System.Resources.ResourceManager.InternalGetResourceSet (System.Globalization.CultureInfo culture, Boolean createIfNotExists, Boolean tryParents) [0x00000] in <filename unknown>:0 
  at System.Resources.ResourceManager.GetObject (System.String name, System.Globalization.CultureInfo culture) [0x00000] in <filename unknown>:0 
  at OpenTK.Examples.Properties.Resources.get_App () [0x00000] in /Users/kortham/projects/opentk/Source/Examples/Properties/Resources.Designer.cs:65 
  at Examples.ExampleBrowser..ctor () [0x0004b] in /Users/kortham/projects/opentk/Source/Examples/ExampleBrowser.cs:61 
  at (wrapper remoting-invoke-with-check) Examples.ExampleBrowser:.ctor ()
  at Examples.Program.Main () [0x0000b] in /Users/kortham/projects/opentk/Source/Examples/Main.cs:48

I'm honestly not quite sure what the System.Drawing.Icon App resource might represent on my system. I know some linux windowing toolkits put a little widget in the corner of each window representing an application icon. *shrugs*

Also note that the Examples require X11 on a Mac. In 10.8 and later, the OS will not automatically download X11 if you attempt to use it. This is because Apple no longer maintains it, it's now in the hands of XQuartz.