[Mono-osx] Systematic crash on launch of WinForm app

[Geoff Norton]

Could you file a bug for this issue with a testcase plase?

-g

On Fri, 2008-05-23 at 01:32 -0700, jdmuys wrote:
> Hi,
> 
> I have been getting a systematic crash on launch of any WinForm application
> under MacOS X Leopard, even a very simple "Hello World" app.
> 
> After much hair pulling, I managed to find out that the crash happens when
> the format for floating point numbers includes a floating-coma, instead of a
> floating point.
> 
> Could somebody confirm it by reproducing the bug, following these steps:
> 
> - Open System Preferences, and the International panel.
> - Go to the "Formats" pane
> - Select the French Format (if you have a submenu, select France)
> - close the System Preferences and Open a new terminal window (important:
> any previously open terminal window will still have the old format settings)
> - launch any WinForm app
> - Watch it crash
> - Restore your previous Formats setting in the System Preferences.
> 
> Probably other settings than French(France) will make it crash too.
> 
> The workaround: If it hurts when I push here, then don't push here. Namely:
> make sure you have United States selected in the Formats System Preference.
> 
> The fix: will have to occur in Mono, possibly in the System.Windows module.
> 
> Here is some output from the terminal:
> 
> $ mono --trace=T:System.Double WHello.exe
> 
> [first few hundred trace lines omitted]
> 
> Method System.Int32:ToString (string,System.IFormatProvider) emitted at
> 0x17ea6968 to 0x17ea699b (code length 51) [WHello.exe]
> Method System.NumberFormatter:NumberToString
> (string,int,System.Globalization.NumberFormatInfo) emitted at 0x17ea69b8 to
> 0x17ea69fd (code length 69) [WHello.exe]
> Method System.Diagnostics.StackFrame:GetFileName () emitted at 0x17ea6a00 to
> 0x17ea6a90 (code length 144) [WHello.exe]
> Method System.Diagnostics.StackFrame:GetFileLineNumber () emitted at
> 0x17ea6aa0 to 0x17ea6aae (code length 14) [WHello.exe]
> Method System.Text.StringBuilder:AppendFormat (string,object,object) emitted
> at 0x17ea6ab0 to 0x17ea6b14 (code length 100) [WHello.exe]
> Method System.Diagnostics.StackFrame:GetInternalMethodName () emitted at
> 0x17ea6b18 to 0x17ea6b26 (code length 14) [WHello.exe]
> Method System.Reflection.MethodBase:get_IsGenericMethod () emitted at
> 0x17ea6b28 to 0x17ea6b32 (code length 10) [WHello.exe]
> Method System.Reflection.MonoCMethod:get_DeclaringType () emitted at
> 0x17ea6b38 to 0x17ea6b69 (code length 49) [WHello.exe]
> Method System.Reflection.MonoCMethod:get_Name () emitted at 0x17ea6b70 to
> 0x17ea6b97 (code length 39) [WHello.exe]
> 
> Unhandled Exception: System.FormatException: Unknown char: .
>   at System.Double.Parse (System.String s, NumberStyles style,
> IFormatProvider provider) [0x00016] in
> /private/tmp/monobuild/build/BUILD/mono-1.9.1/mcs/class/corlib/System/Double.cs:214 
>   at System.Double.Parse (System.String s) [0x00000] in
> /private/tmp/monobuild/build/BUILD/mono-1.9.1/mcs/class/corlib/System/Double.cs:182 
>   at System.Convert.ToDouble (System.String value) [0x00010] in
> /private/tmp/monobuild/build/BUILD/mono-1.9.1/mcs/class/corlib/System/Convert.cs:979 
>   at System.Windows.Forms.XplatUICarbon.GetMessage (System.Object queue_id,
> System.Windows.Forms.MSG& msg, IntPtr hWnd, Int32 wFilterMin, Int32
> wFilterMax) [0x000a1] in
> /private/tmp/monobuild/build/BUILD/mono-1.9.1/mcs/class/Managed.Windows.Forms/System.Windows.Forms/XplatUICarbon.cs:1333 
>   at System.Windows.Forms.XplatUI.GetMessage (System.Object queue_id,
> System.Windows.Forms.MSG& msg, IntPtr hWnd, Int32 wFilterMin, Int32
> wFilterMax) [0x00000] in
> /private/tmp/monobuild/build/BUILD/mono-1.9.1/mcs/class/Managed.Windows.Forms/System.Windows.Forms/XplatUI.cs:696 
>   at System.Windows.Forms.Application.RunLoop (Boolean Modal,
> System.Windows.Forms.ApplicationContext context) [0x003ad] in
> /private/tmp/monobuild/build/BUILD/mono-1.9.1/mcs/class/Managed.Windows.Forms/System.Windows.Forms/Application.cs:861 
>   at System.Windows.Forms.Form.ShowDialog (IWin32Window ownerWin32)
> [0x000f8] in
> /private/tmp/monobuild/build/BUILD/mono-1.9.1/mcs/class/Managed.Windows.Forms/System.Windows.Forms/Form.cs:1767 
>   at System.Windows.Forms.Form.ShowDialog () [0x00000] in
> /private/tmp/monobuild/build/BUILD/mono-1.9.1/mcs/class/Managed.Windows.Forms/System.Windows.Forms/Form.cs:1692 
>   at System.Windows.Forms.MessageBox+MessageBoxForm.RunDialog () [0x00034]
> in
> /private/tmp/monobuild/build/BUILD/mono-1.9.1/mcs/class/Managed.Windows.Forms/System.Windows.Forms/MessageBox.cs:189 
>   at (wrapper remoting-invoke-with-check) MessageBoxForm:RunDialog ()
>   at System.Windows.Forms.MessageBox.Show (System.String text) [0x0000f] in
> /private/tmp/monobuild/build/BUILD/mono-1.9.1/mcs/class/Managed.Windows.Forms/System.Windows.Forms/MessageBox.cs:519 
>   at HelloWorld..ctor () [0x00000] 
>   at (wrapper remoting-invoke-with-check) HelloWorld:.ctor ()
>   at HelloWorld.Main () [0x00000] 
> 
> $ mono --version
> Mono JIT compiler version 1.9.1 (tarball)
> Copyright (C) 2002-2007 Novell, Inc and Contributors. www.mono-project.com
> 	TLS:           normal
> 	GC:            Included Boehm (with typed GC)
> 	SIGSEGV:       normal
> 	Notification:  Thread + polling
> 	Architecture:  x86
> 	Disabled:      none
> 
>