[MonoDevelop] Serious FD usage error 13 and 15

[Brett Senior]

Yesterday I fetched the latest Mono and MD from SVN and compiled.  All went OK but when I run MD I keep getting 'Serious FD usage' errors.  The first couple of times it was error 13 and the dump below is 15.  The problem is not confined to the GUI designer as MD has also crashed with the FD usage error problem when swapping between tabs.  I am running SVN version 121076 of Mono and SVN version 121074 of MD in a parallel Mono environment.


Stack trace: 
   at Gtk.Application.Run()
   at MonoDevelop.Ide.Gui.IdeApp.Run()
   at MonoDevelop.Ide.Gui.IdeStartup.Run(System.String[] args)
   at MonoDevelop.Startup.SharpDevelopMain.Main(System.String[] args)
Stacktrace:

  at (wrapper managed-to-native) GLib.SignalClosure.g_signal_connect_closure (intptr,intptr,intptr,bool) <0x00068>
  at (wrapper managed-to-native) GLib.SignalClosure.g_signal_connect_closure (intptr,intptr,intptr,bool) <0xffffffff>
  at GLib.SignalClosure.Connect (bool) <0x00037>
  at GLib.Signal.AddDelegate (System.Delegate) <0x001ef>
  at Gtk.Container.add_Added (Gtk.AddedHandler) <0x00037>
  at Stetic.Wrapper.Widget.InterceptClicks (Gtk.Widget) <0x0017b>
  at Stetic.Wrapper.Widget.Wrap (object,bool) <0x001f7>
  at Stetic.Wrapper.Container.Wrap (object,bool) <0x00033>
  at Stetic.Wrapper.Box.Wrap (object,bool) <0x0002f>
  at Stetic.ObjectWrapper.Bind (Stetic.IProject,Stetic.ClassDescriptor,Stetic.ObjectWrapper,object,bool) <0x0010a>
  at Stetic.WidgetUtils.Read (Stetic.ObjectWrapper,System.Xml.XmlElement) <0x00107>
  at Stetic.Wrapper.Widget.ReadProperties (Stetic.ObjectReader,System.Xml.XmlElement) <0x0008b>
  at Stetic.Wrapper.Container.Read (Stetic.ObjectReader,System.Xml.XmlElement) <0x002d2>
  at Stetic.ObjectWrapper.ReadObject (Stetic.ObjectReader,System.Xml.XmlElement) <0x005b8>
  at Stetic.ObjectReader.ReadObject (System.Xml.XmlElement) <0x00013>
  at Stetic.Wrapper.Container.ReadChild (Stetic.ObjectReader,System.Xml.XmlElement) <0x00040>
  at Stetic.Wrapper.Container.ReadChildren (Stetic.ObjectReader,System.Xml.XmlElement) <0x001ba>
  at Stetic.Wrapper.Container.Read (Stetic.ObjectReader,System.Xml.XmlElement) <0x002ed>
  at Stetic.ObjectReader.ReadObject (Stetic.ObjectWrapper,System.Xml.XmlElement) <0x0002a>
  at Stetic.Wrapper.Container.ReadInternalChild (Stetic.ObjectReader,System.Xml.XmlElement) <0x001fb>
  at Stetic.Wrapper.Container.ReadChildren (Stetic.ObjectReader,System.Xml.XmlElement) <0x00156>
  at Stetic.Wrapper.Dialog.ReadChildren (Stetic.ObjectReader,System.Xml.XmlElement) <0x0007f>
  at Stetic.Wrapper.Container.Read (Stetic.ObjectReader,System.Xml.XmlElement) <0x002ed>
  at Stetic.ObjectWrapper.ReadObject (Stetic.ObjectReader,System.Xml.XmlElement) <0x005b8>
  at Stetic.ProjectBackend.GetWidget (Stetic.WidgetData) <0x0006f>
  at Stetic.ProjectBackend.get_Toplevels () <0x00087>
  at (wrapper remoting-invoke-with-check) Stetic.ProjectBackend.get_Toplevels () <0xffffffff>
  at Stetic.CodeGeneratorPartialClass.GenerateProjectGuiCode (Stetic.SteticCompilationUnit,System.CodeDom.CodeNamespace,System.CodeDom.CodeTypeDeclaration,Stetic.GenerationOptions,System.Collections.Generic.List`1<Stetic.SteticCompilationUnit>,Stetic.ProjectBackend[],System.Collections.ArrayList) <0x00073>
  at Stetic.CodeGenerator.GenerateProjectCode (Stetic.GenerationOptions,Stetic.ProjectBackend[]) <0x003b7>
  at Stetic.ApplicationBackend.GenerateProjectCode (Stetic.GenerationOptions,Stetic.ProjectBackend[]) <0x0001b>
  at (wrapper remoting-invoke-with-check) Stetic.ApplicationBackend.GenerateProjectCode (Stetic.GenerationOptions,Stetic.ProjectBackend[]) <0xffffffff>
  at Stetic.Application.GenerateProjectCode (Stetic.GenerationOptions,Stetic.Project[]) <0x00097>
  at (wrapper remoting-invoke-with-check) Stetic.Application.GenerateProjectCode (Stetic.GenerationOptions,Stetic.Project[]) <0xffffffff>
  at MonoDevelop.GtkCore.GuiBuilder.GuiBuilderService.GenerateSteticCode (MonoDevelop.Core.IProgressMonitor,MonoDevelop.Projects.DotNetProject,string) <0x0059b>
  at MonoDevelop.GtkCore.GuiBuilder.Generator.Run (MonoDevelop.Core.IProgressMonitor,MonoDevelop.Projects.DotNetProject,string) <0x00047>
  at MonoDevelop.GtkCore.GuiBuilder.GtkProjectServiceExtension/<Build>c__AnonStorey3.<>m__4 (object,System.EventArgs) <0x00033>
  at Gtk.Application/InvokeCB.Invoke () <0x0001c>
  at GLib.Timeout/TimeoutProxy.Handler () <0x0003c>
  at (wrapper native-to-managed) GLib.Timeout/TimeoutProxy.Handler () <0xffffffff>
  at (wrapper managed-to-native) Gtk.Application.gtk_main () <0x00052>
  at (wrapper managed-to-native) Gtk.Application.gtk_main () <0xffffffff>
  at Gtk.Application.Run () <0x0000b>
  at MonoDevelop.Ide.Gui.IdeApp.Run () <0x0000b>
  at MonoDevelop.Ide.Gui.IdeStartup.Run (string[]) <0x00c8f>
  at MonoDevelop.Startup.SharpDevelopMain.Main (string[]) <0x00073>
  at (wrapper runtime-invoke) MonoDevelop.Startup.SharpDevelopMain.runtime_invoke_int_object (object,intptr,intptr,intptr) <0xffffffff>

Native stacktrace:

    monodevelop [0x47d940]
    monodevelop [0x4ad9ad]
    /lib/libpthread.so.0 [0x7f9c7149aa80]
    /usr/lib/libglib-2.0.so.0 [0x7f9c71b0b4d1]
    /usr/lib/libglib-2.0.so.0(g_slice_alloc+0x7bb) [0x7f9c71b0c70b]
    /usr/lib/libgobject-2.0.so.0(g_signal_connect_closure+0x242) [0x7f9c6d96c1d2]
    [0x40e23428]

Debug info from gdb:


=================================================================
Got a SIGSEGV while executing native code. This usually indicates
a fatal error in the mono runtime or one of the native libraries 
used by your application.
=================================================================


** (MonoDevelop:7963): WARNING **: Serious fd usage error 15



Can someone please provide me with some advice ?

Brett Senior.



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