Application crash when creating a thread in FreeBSD

Original Reporter info from Mantis: papelhigienico

Reporter name: Fabio Luis Girardi

Description:

In my application, i'm creating a thread (using TThread class). When my application call the thread constructor, it crash!

Steps to reproduce:

Create a simple thread in freebsd, source are in additional information

Additional information:

Error when creating thread on FreeBSD 6.1 with Lazarus 0.9.23 and FPC 2.0.4

Error Description: "Project raised exception class 'RunError(232)'"

Dialog: Execution Paused
        Address : $0806cd80
        Procedure: SYSTEM_NOTHREADERROR
        File:

Dialog: Execution Stopped

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Unit1.pas - Form1
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unit unit1;

{$mode objfpc}{$H+}

interface

uses
Classes, SysUtils, LResources, Forms, Controls, Graphics, Dialogs, unit2;

type

{ TForm1 }

  TForm1 = class(TForm)
    HMICheckBox1: THMICheckBox;
    HMIEdit1: THMIEdit;
    HMIEdit2: THMIEdit;
    HMILabel1: THMILabel;
    HMIRadioButton1: THMIRadioButton;
    procedure FormCreate(Sender: TObject);
  private
    teste:TMyTestThread;
  public

  end; 

var
  Form1: TForm1;

implementation

{ TForm1 }

procedure TForm1.FormCreate(Sender: TObject);
begin
  teste:=TMyTestThread.Create(false);
end;

initialization
  {$I unit1.lrs}

end.

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Unit2.pas - Thread
---------------------------------------------------------------------
---------------------------------------------------------------------

unit Unit2; 

{$mode objfpc}{$H+}

interface

uses
  Classes, SysUtils;

type
  TMyTestThread = class(TThread)
  private
    x:Integer;
    procedure ChangeCaption;
  protected
    procedure Execute; override;
  end;