Bug 7451 - Mono crashes with updated arduplanner (above version 1.2.12) - author confirms mono bug.
Summary: Mono crashes with updated arduplanner (above version 1.2.12) - author confir...
Status: NEW
Alias: None
Product: Class Libraries
Classification: Mono
Component: Windows.Forms ()
Version: unspecified
Hardware: PC Linux
: Lowest normal
Target Milestone: Community
Assignee: Bugzilla
Depends on:
Reported: 2012-09-25 14:03 UTC by André Kjellstrup
Modified: 2017-09-01 11:56 UTC (History)
2 users (show)

Tags: mono-community
Is this bug a regression?: ---
Last known good build:

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Description André Kjellstrup 2012-09-25 14:03:27 UTC

1.- Download this opensource mission planner tool, extract to any folder. http://code.google.com/p/ardupilot-mega/downloads/detail?name=Mission%20Planner%201.2.11.zip&can=2&q=

2.- Observe that $ mono ArdupilotMegaPlanner10.exe  works correctly. 
3.- mission planner 1.2.11 will offer an update to 1.2.12 - let it update, or download 1.2.12
4.- execute the updated ArdupilotMegaPlanner10.exe
5.- you will get this error:
andre@Loke:~/Linux/Mission Planner$ mono ArdupilotMegaPlanner10.exe
INFO Program - ******************* Logging Configured *******************
INFO ArdupilotMega.MainV2 - Mainv2 ctor
INFO ArdupilotMega.MainV2 - myview width 1008 height 461
INFO ArdupilotMega.MainV2 - this   width 1193 height 617
INFO ArdupilotMega.Utilities.Speech - TTS: init, mono = True
INFO ArdupilotMega.Controls.HUD - Vendor: NVIDIA Corporation
INFO ArdupilotMega.Controls.HUD - Version: 4.2.0 NVIDIA 295.40
INFO ArdupilotMega.Controls.HUD - Device: GeForce GTX 570/PCIe/SSE2
HUD resize 292 219
HUD 1 hz drawtime 128 gl True
HUD resize 292 219
HUD resize 292 219
HUD resize 292 219
FATAL ArdupilotMega.MainV2 - System.NullReferenceException: Object reference not set to an instance of an object
  at System.Windows.Forms.Control+ControlCollection.Add (System.Windows.Forms.Control value) [0x00000] in <filename unknown>:0 
  at Crom.Controls.Docking.FormsDecoratorControlCollection..ctor (System.Windows.Forms.Control owner) [0x00000] in <filename unknown>:0 
  at Crom.Controls.Docking.FormsDecorator.get_InternalControls () [0x00000] in <filename unknown>:0 
  at Crom.Controls.Docking.FormsDecorator.CreateControlsInstance () [0x00000] in <filename unknown>:0 
  at System.Windows.Forms.Control..ctor () [0x00000] in <filename unknown>:0 
  at Crom.Controls.Docking.FormsDecorator..ctor () [0x00000] in <filename unknown>:0 
  at (wrapper remoting-invoke-with-check) Crom.Controls.Docking.FormsDecorator:.ctor ()
  at Crom.Controls.Docking.FormsTabbedViewControlCollection..ctor (System.Windows.Forms.Control owner) [0x00000] in <filename unknown>:0 
  at Crom.Controls.Docking.FormsTabbedView.get_InternalControls () [0x00000] in <filename unknown>:0 
  at Crom.Controls.Docking.FormsTabbedView.CreateControlsInstance () [0x00000] in <filename unknown>:0 
  at System.Windows.Forms.Control..ctor () [0x00000] in <filename unknown>:0 
  at System.Windows.Forms.ScrollableControl..ctor () [0x00000] in <filename unknown>:0 
  at System.Windows.Forms.ContainerControl..ctor () [0x00000] in <filename unknown>:0 
  at System.Windows.Forms.UserControl..ctor () [0x00000] in <filename unknown>:0 
  at Crom.Controls.TabbedDocument.ButtonsPanel..ctor () [0x00000] in <filename unknown>:0 
  at Crom.Controls.Docking.FormsTabbedView..ctor () [0x00000] in <filename unknown>:0 
  at (wrapper remoting-invoke-with-check) Crom.Controls.Docking.FormsTabbedView:.ctor ()
  at Crom.Controls.Docking.FormsDocker.CreateFormsTabbedView (Size size, Crom.Controls.Docking.ControlPositioner positioner) [0x00000] in <filename unknown>:0 
  at Crom.Controls.Docking.FormsDocker.Add (System.Windows.Forms.Form form, zAllowedDock allowedDock, Guid formIdentifier) [0x00000] in <filename unknown>:0 
  at Crom.Controls.Docking.DockContainer.Add (System.Windows.Forms.Form form, zAllowedDock allowedDock, Guid formIdentifier) [0x00000] in <filename unknown>:0 
  at (wrapper remoting-invoke-with-check) Crom.Controls.Docking.DockContainer:Add (System.Windows.Forms.Form,Crom.Controls.Docking.zAllowedDock,System.Guid)
  at ArdupilotMega.GCSViews.FlightData.CreateFormAndGuid (Crom.Controls.Docking.DockContainer dock, System.Windows.Forms.Control ctl, System.String configguidref) [0x00000] in <filename unknown>:0 
  at ArdupilotMega.GCSViews.FlightData.SetupDocking () [0x00000] in <filename unknown>:0 
  at ArdupilotMega.GCSViews.FlightData..ctor () [0x00000] in <filename unknown>:0 
  at (wrapper remoting-invoke-with-check) ArdupilotMega.GCSViews.FlightData:.ctor ()
  at ArdupilotMega.MainV2..ctor () [0x00000] in <filename unknown>:0 

I reported it to the creator of this tool, he's usually very helpful with stuff that fails in mono, runs in windows, but this time, he can't fix it, and days it's a mono bug.
Please say so if I can do anything to help fix it.
Comment 1 Zoltan Varga 2012-09-26 01:24:38 UTC
-> winforms.