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Error when checking the "Kept in memory only by disposed obj

When profiling an asp.net website hosted in IIS, when I check the box under Common Leak Indicators called "Kept in memory only by disposed objects", I get this pop up error and the output will not display:

Specified argument was out of the range of valid values.Parameter name: identifier
System.ArgumentOutOfRangeException
at dq.ObjectWithIdentifier(Int32 identifier)
at bv.b()
at bv.a()
at bv.get_ConnectedToRootStrong()
at bq.get_ConnectedToStrongRoots()
at bc.get_ConnectedToStrongRoots()
at cX.Select(IGraphAnalysis analysis, IComparisonAnalysis comparison)
at cx.Select(IGraphAnalysis analysis, IComparisonAnalysis comparison)
at cW.Select(IGraphAnalysis analysis, IComparisonAnalysis comparison)
at ct.Select(IGraphAnalysis analysis, ISnapshotComparison comparison)
at RedGate.Memory.Controller.ControllerState.ControllerState.get_FilteredCurrentObjects()
at RedGate.Memory.Controller.ControllerState.ControllerState.get_CategorisedCurrentObjects()
at i.get_CategorisedCurrentObjects()
at N.a()
at N.b(Object , GenericEventArgs`1 )
at System.EventHandler`1.Invoke(Object sender, TEventArgs e)
at i.a(StateUpdateType )
at i.set_FilterPanelState(IFilterPanelState value)
at w.a(Object , GenericEventArgs`1 )
at W.<>c__DisplayClass3.<.ctor>b__1()
at O.b()


This is running on a fully patched 32-bit Windows 2003 Server machine with ample RAM and free disk space available.
jasolution
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  • Brian Donahue
    Hi Jason,

    I believe this could also be a symptom of ASP .NET's specialized multithreaded garbage collection disposing some .NET objects behind Profiler's back. Disabling "serverGC" should get memory profiling working for you. Please see http://support.microsoft.com/kb/911716 for the instructions on how to turn it off.
    Brian Donahue
    0
  • engica1
    I am running Server 2008 RC2
    Running against IIS on port 80

    setting gcServer="false" did not seem to help :(

    Cheers
    engica1
    0
  • Brian Donahue
    We think that serverGC can also be set in the "global" web.config in the CONFIG folder of the .NET installation, and maybe even in Machine.config. You may want to check those places as well as the local web.config.
    Brian Donahue
    0

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