Main UI Thread tries to load "Microsoft.VSDesigner, Version=10.0.0.0, Culture=Neutral, PublicKeyToken=b03f5f7f11d50a3a" dll.
00238fc8 778bf861 [HelperMethodFrame_PROTECTOBJ: 00238fc8] System.Reflection.RuntimeAssembly._nLoad(System.Reflection.AssemblyName, System.String, 00239070 611a3148 System.Reflection.RuntimeAssembly.nLoad(System.Reflection.AssemblyName,
...
System.Activator.CreateInstance(System.String, System.String)
...
Microsoft.VisualStudio.Editor.Implementation.ShimQuickInfoSource.TryGetQuickInfoFromFilter(Microsoft.VisualStudio.Language.Intellisense.IQuickInfoSession, Microsoft.VisualStudio.TextManager.Interop.TextSpan[], System.String ByRef)
00239c3c 5c9b246c
...
00239e20 5c5e5e4d Microsoft.VisualStudio.Language.Intellisense.Implementation.QuickInfoSession.Start()
00239e2c 5c5ddbd8 Microsoft.VisualStudio.Language.Intellisense.Implementation.DefaultQuickInfoController.OnTextView_MouseHover(System.Object, Microsoft.VisualStudio.Text.Editor.MouseHoverEventArgs)
00239e74 5c5d83ed Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.RaiseHoverEvents()
00239ed4 5c5d73dc Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.OnHoverTimer(System.Object, System.EventArgs)
00239ef0 66ca542d System.Windows.Threading.DispatcherTimer.FireTick(System.Object)
00239f00 66c8fe83 System.Windows.Threading.ExceptionWrapper.InternalRealCall(System.Delegate, System.Object, Int32)
...
0023a4a4 66c92b28 System.Windows.Threading.DispatcherOperation.Invoke()
0023a524 66c8e9d7 System.Windows.Threading.Dispatcher.WndProcHook(IntPtr, Int32, IntPtr, IntPtr, Boolean ByRef)
0023a574 66c900a6 MS.Win32.HwndWrapper.WndProc(IntPtr, Int32, IntPtr, IntPtr, Boolean ByRef)
0023a5c0 66c8ffd5 MS.Win32.HwndSubclass.DispatcherCallbackOperation(System.Object)
0023e138 03a0340d [HelperMethodFrame_PROTECTOBJ: 0023e138] System.Reflection.RuntimeAssembly._nLoad(System.Reflection.AssemblyName, System.String, System.Security.Policy.Evidence, System.Reflection.RuntimeAssembly, System.Threading.StackCrawlMark ByRef, Boolean, Boolean, Boolean)
Microsoft.VisualStudio.Editor.Implementation.ShimQuickInfoSource.AugmentQuickInfoSession(Microsoft.VisualStudio.Language.Intellisense.IQuickInfoSession, System.Collections.Generic.IList`1<System.Object>, Microsoft.VisualStudio.Text.ITrackingSpan ByRef)
0023eec8 5c5e57c2 Microsoft.VisualStudio.Language.Intellisense.Implementation.QuickInfoSession.Recalculate()
0023ef90 5c5e5e4d Microsoft.VisualStudio.Language.Intellisense.Implementation.QuickInfoSession.Start()
...
0023efe4 5c5d83ed Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.RaiseHoverEvents()
0023f044 5c5d73dc Microsoft.VisualStudio.Text.Editor.Implementation.WpfTextView.OnHoverTimer(System.Object, System.EventArgs)
0023f060 66ca542d System.Windows.Threading.DispatcherTimer.FireTick(System.Object)
...
The other thread
0:027> kv
ChildEBP RetAddr Args to Child
10e6f6b8 778d8de4 00000c2c 00000000 00000000 ntdll!ZwWaitForSingleObject+0x15 (FPO: [3,0,0])
10e6f71c 778d8cc8 00000000 00000000 57ab4488 ntdll!RtlpWaitOnCriticalSection+0x13e (FPO: [2,17,4])
10e6f744 579e9efb 57e94084 8657432f 00000000 ntdll!RtlEnterCriticalSection+0x150 (FPO: [1,3,4])
WARNING: Stack unwind information not available. Following frames may be wrong.
10e6f77c 579ea4fb 01e72478 865743e3 00000000 cslangsvc+0x79efb
10e6f7b0 57b28e35 8657438b 00000000 00000000 cslangsvc+0x7a4fb
10e6f7d8 76963677 01e72478 10e6f824 778d9f02 cslangsvc!DefinitionTree_BindFullName+0x94b0