[Mono-bugs] [Bug 345186] New: Setting priority class of a process causes application to crash ( Regression in 1.2.6_1 (Installer))

[bugzilla_noreply at novell.com]

https://bugzilla.novell.com/show_bug.cgi?id=345186

           Summary: Setting priority class of a process causes application
                    to crash (Regression in 1.2.6_1 (Installer))
           Product: Mono: Class Libraries
           Version: unspecified
          Platform: x86
               URL: http://www.corsis.de
        OS/Version: Other
            Status: NEW
          Severity: Critical
          Priority: P5 - None
         Component: CORLIB
        AssignedTo: mono-bugs at ximian.com
        ReportedBy: cetin.sert at gmail.com
         QAContact: mono-bugs at ximian.com
          Found By: ---


Description of Problem:
Setting priority class of a process causes application to crash (Regression in
1.2.6_1 (Installer))

Steps to reproduce the problem:
1. Set PriorityClass property to any value on a System.Diagnostics.Process
instance.


Actual Results:
sert at elite:~/TENKA-TEXT-0.1.3.2$ m Tenka.Text.WindowsInterface.exe 

Unhandled Exception: System.ComponentModel.Win32Exception: Some sort of w32
error occurred: 5
  at System.Diagnostics.Process.set_PriorityClass (ProcessPriorityClass value)
[0x00000] 
  at (wrapper remoting-invoke-with-check)
System.Diagnostics.Process:set_PriorityClass
(System.Diagnostics.ProcessPriorityClass)
  at Tenka.Text.Global.Boost () [0x00000] 
  at Tenka.Text.WindowsInterface.WordListerForm.CreateView () [0x00000] 
  at Tenka.Text.WindowsInterface.WordListerForm.WordListerForm_Load
(System.Object sender, System.EventArgs e) [0x00000] 
  at System.Windows.Forms.Form.OnLoad (System.EventArgs e) [0x00000] 
  at System.Windows.Forms.Form.OnLoadInternal (System.EventArgs e) [0x00000] 
  at System.Windows.Forms.Form.OnCreateControl () [0x00000] 
  at System.Windows.Forms.Control.CreateControl () [0x00000] 
  at System.Windows.Forms.Control.WmShowWindow (System.Windows.Forms.Message&
m) [0x00000] 
  at System.Windows.Forms.Control.WndProc (System.Windows.Forms.Message& m)
[0x00000] 
  at System.Windows.Forms.ScrollableControl.WndProc
(System.Windows.Forms.Message& m) [0x00000] 
  at System.Windows.Forms.ContainerControl.WndProc
(System.Windows.Forms.Message& m) [0x00000] 
  at System.Windows.Forms.Form.WndProc (System.Windows.Forms.Message& m)
[0x00000] 
  at System.Windows.Forms.Control+ControlWindowTarget.OnMessage
(System.Windows.Forms.Message& m) [0x00000] 
  at System.Windows.Forms.Control+ControlNativeWindow.WndProc
(System.Windows.Forms.Message& m) [0x00000] 
  at System.Windows.Forms.NativeWindow.WndProc (IntPtr hWnd, Msg msg, IntPtr
wParam, IntPtr lParam) [0x00000] 
  at System.Windows.Forms.XplatUIX11.SendMessage (IntPtr hwnd, Msg message,
IntPtr wParam, IntPtr lParam) [0x00000] 
  at System.Windows.Forms.XplatUIX11.MapWindow (System.Windows.Forms.Hwnd hwnd,
WindowType windows) [0x00000] 
  at System.Windows.Forms.XplatUIX11.CreateWindow
(System.Windows.Forms.CreateParams cp) [0x00000] 
  at System.Windows.Forms.XplatUI.CreateWindow
(System.Windows.Forms.CreateParams cp) [0x00000] 
  at System.Windows.Forms.NativeWindow.CreateHandle
(System.Windows.Forms.CreateParams create_params) [0x00000] 
  at System.Windows.Forms.Control.CreateHandle () [0x00000] 
  at System.Windows.Forms.Form.CreateHandle () [0x00000] 
  at System.Windows.Forms.Control.CreateControl () [0x00000] 
  at System.Windows.Forms.Control.SetVisibleCore (Boolean value) [0x00000] 
  at System.Windows.Forms.Form.SetVisibleCore (Boolean value) [0x00000] 
  at System.Windows.Forms.Control.set_Visible (Boolean value) [0x00000] 
  at System.Windows.Forms.Control.Show () [0x00000] 
  at Tenka.Text.WindowsInterface.Main.wordListButton_Click (System.Object
sender, System.EventArgs e) [0x00000] 
  at System.Windows.Forms.Control.OnClick (System.EventArgs e) [0x00000] 
  at System.Windows.Forms.Button.OnClick (System.EventArgs e) [0x00000] 
  at System.Windows.Forms.ButtonBase.OnMouseUp
(System.Windows.Forms.MouseEventArgs mevent) [0x00000] 
  at System.Windows.Forms.Button.OnMouseUp (System.Windows.Forms.MouseEventArgs
e) [0x00000] 
  at System.Windows.Forms.Control.WmLButtonUp (System.Windows.Forms.Message& m)
[0x00000] 
  at System.Windows.Forms.Control.WndProc (System.Windows.Forms.Message& m)
[0x00000] 
  at System.Windows.Forms.ButtonBase.WndProc (System.Windows.Forms.Message& m)
[0x00000] 
  at System.Windows.Forms.Button.WndProc (System.Windows.Forms.Message& m)
[0x00000] 
  at System.Windows.Forms.Control+ControlWindowTarget.OnMessage
(System.Windows.Forms.Message& m) [0x00000] 
  at System.Windows.Forms.Control+ControlNativeWindow.WndProc
(System.Windows.Forms.Message& m) [0x00000] 
  at System.Windows.Forms.NativeWindow.WndProc (IntPtr hWnd, Msg msg, IntPtr
wParam, IntPtr lParam) [0x00000] 
  at System.Windows.Forms.XplatUIX11.DispatchMessage (System.Windows.Forms.MSG&
msg) [0x00000] 
  at System.Windows.Forms.XplatUI.DispatchMessage (System.Windows.Forms.MSG&
msg) [0x00000] 
  at System.Windows.Forms.Application.RunLoop (Boolean Modal,
System.Windows.Forms.ApplicationContext context) [0x00000] 
  at System.Windows.Forms.Application.Run
(System.Windows.Forms.ApplicationContext context) [0x00000] 
  at System.Windows.Forms.Application.Run (System.Windows.Forms.Form mainForm)
[0x00000] 
  at Tenka.Text.WindowsInterface.Program.Main () [0x00000] 


Expected Results:
This used to work or at least not cause the application to crash in previous
versions.

How often does this happen? 
Always

Additional Information:
This is a regression in 1.2.6_1 (Linux installer of the first 1.2.6 preview)


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