GLib.Object subclass Banshee.Collection.Gui.TrackListView must provide a protected or public IntPtr ctor to support wrapping of native object handles.

[cuby]

after starting banshee it starts scanning the library. After 15 seconds it freezes completely, Don't know if it is related to the scanning or some of the plugins that are performing stuff under the wood.
From command line:

casa@newton:/home/comum/Music/mp3$ banshee
[Info 10:11:20.563] Running Banshee 2.2.0: [Ubuntu oneiric (development branch) (linux-gnu, x86_64) @ 2011-09-23 04:47:58 UTC]

(Banshee:2801): Gtk-WARNING **: Incapaz de localizar motor de temas na module_path: "pixmap",
[Info 10:11:22.493] Updating web proxy from GConf
[Info 10:11:22.518] All services are started 1,496667
[Info 10:11:24.186] AmazonMP3 store redirect URL: https://one.ubuntu.com/music/store/amz/
** (Banshee:2801): DEBUG: SyncDaemon already running, initializing SyncdaemonDaemon object

(Banshee:2801): libsoup-WARNING **: No feature manager for feature of type 'U1RequestChrome'
[Info 10:11:25.952] nereid Client Started
[Info 10:11:26.185] GStreamer version 0.10.35.0, gapless: True, replaygain: False
Exception in Gtk# callback delegate
  Note: Applications can use GLib.ExceptionManager.UnhandledException to handle the exception.
GLib.MissingIntPtrCtorException: GLib.Object subclass Banshee.Collection.Gui.TrackListView must provide a protected or public IntPtr ctor to support wrapping of native object handles.
  at GLib.ObjectManager.CreateObject (IntPtr raw) [0x00000] in <filename unknown>:0
  at GLib.Object.GetObject (IntPtr o, Boolean owned_ref) [0x00000] in <filename unknown>:0
  at Gtk.Widget.unmapped_cb (IntPtr widget) [0x00000] in <filename unknown>:0
   at GLib.ExceptionManager.RaiseUnhandledException(System.Exception e, Boolean is_terminal)
   at Gtk.Widget.unmapped_cb(IntPtr widget)
   at Gtk.Widget.gtk_widget_hide(IntPtr )
   at Gtk.Widget.Hide()
   at Nereid.ViewContainer.set_Content(ISourceContents value)
   at Nereid.PlayerInterface.UpdateSourceContents(Banshee.Sources.Source source)
   at Nereid.PlayerInterface.<OnActiveSourceChanged>m__7()
   at Hyena.ThreadAssist.ProxyToMain(Hyena.InvokeHandler handler)
   at Nereid.PlayerInterface.OnActiveSourceChanged(Banshee.Sources.SourceEventArgs args)
   at <Module>.invoke_void__this___SourceEventArgs(Banshee.Sources.SourceEventArgs )
   at <Module>.invoke_void__this___SourceEventArgs(Banshee.Sources.SourceEventArgs )
   at <Module>.invoke_void__this___SourceEventArgs(Banshee.Sources.SourceEventArgs )
   at <Module>.invoke_void__this___SourceEventArgs(Banshee.Sources.SourceEventArgs )
   at <Module>.invoke_void__this___SourceEventArgs(Banshee.Sources.SourceEventArgs )
   at <Module>.invoke_void__this___SourceEventArgs(Banshee.Sources.SourceEventArgs )
   at Banshee.Sources.SourceManager.SetActiveSource(Banshee.Sources.Source source, Boolean notify)
   at Banshee.Sources.SourceManager.SetActiveSource(Banshee.Sources.Source source)
   at Banshee.Sources.Gui.SourceView.OnButtonPressEvent(Gdk.EventButton press)
   at Gtk.Widget.buttonpressevent_cb(IntPtr widget, IntPtr evnt)
   at Gtk.Application.gtk_main()
   at Gtk.Application.Run()
   at Banshee.Gui.GtkBaseClient.Run()
   at Banshee.Gui.GtkBaseClient.Startup()
   at Hyena.Gui.CleanRoomStartup.Startup(Hyena.Gui.StartupInvocationHandler startup)
   at Banshee.Gui.GtkBaseClient.Startup()
   at Banshee.Gui.GtkBaseClient.Startup(System.String[] args)
   at Nereid.Client.Main(System.String[] args)
   at System.AppDomain.ExecuteAssembly(System.AppDomain , System.Reflection.Assembly , System.String[] )
   at System.AppDomain.ExecuteAssemblyInternal(System.Reflection.Assembly a, System.String[] args)
   at System.AppDomain.ExecuteAssembly(System.String assemblyFile, System.Security.Policy.Evidence assemblySecurity, System.String[] args)
   at System.AppDomain.ExecuteAssembly(System.String assemblyFile)
   at Booter.Booter.BootClient(System.String clientName)
   at Booter.Booter.Main()
Terminado à força

ProblemType: Bug
DistroRelease: Ubuntu 11.10
Package: banshee 2.2.0-1ubuntu2
ProcVersionSignature: Ubuntu 3.0.0-12.19-generic 3.0.4
Uname: Linux 3.0.0-12-generic x86_64
NonfreeKernelModules: nvidia
ApportVersion: 1.23-0ubuntu2
Architecture: amd64
Date: Sun Oct 2 10:13:35 2011
InstallationMedia: Ubuntu 11.10 "Oneiric Ocelot" - Beta amd64 (20110921.2)
SourcePackage: banshee
UpgradeStatus: No upgrade log present (probably fresh install)