[MonoDevelop] Unexpected crash while in GUI designer in MD 2.0 Alpha 2

[Brett Senior]

I have been using MD 2.0 Alpha 2 from SVN for several days and today was the first time I'd experienced a crash.  I have a parallel mono environment with Mono 2.01 and the version of MD as detailed.  I had a number of code/designer windows open and I went to click on the Designer 'button' to make some changes and the program crashed.  I've included the stack trace to see if it is an install issue on my behalf or a bug in MD that needs to be corrected.


Stacktrace:

  at (wrapper managed-to-native) Gtk.TreeStore.gtk_tree_store_clear (intptr) <0x00050>
  at (wrapper managed-to-native) Gtk.TreeStore.gtk_tree_store_clear (intptr) <0xffffffff>
  at Gtk.TreeStore.Clear () <0x00027>
  at Stetic.PropertyTree.Clear () [0x00000] in /home/brett/Downloads/MonoProject/monodevelop/main/src/addins/MonoDevelop.GtkCore/lib/stetic/libsteticui/PropertyTree.cs:109
  at Stetic.WidgetPropertyTreeBackend.Clear () [0x00000] in /home/brett/Downloads/MonoProject/monodevelop/main/src/addins/MonoDevelop.GtkCore/lib/stetic/libsteticui/WidgetPropertyTreeBackend.cs:37
  at Stetic.WidgetPropertyTreeBackend.SelectedHandler () [0x00006] in /home/brett/Downloads/MonoProject/monodevelop/main/src/addins/MonoDevelop.GtkCore/lib/stetic/libsteticui/WidgetPropertyTreeBackend.cs:71
  at TimeoutProxy.Handler () <0x00042>
  at (wrapper native-to-managed) TimeoutProxy.Handler () <0xffffffff>
  at (wrapper managed-to-native) Gtk.Application.gtk_main () <0x0004d>
  at (wrapper managed-to-native) Gtk.Application.gtk_main () <0xffffffff>
  at Gtk.Application.Run () <0x0000b>
  at MonoDevelop.Ide.Gui.IdeApp.Run () [0x00000] in /home/brett/Downloads/MonoProject/monodevelop/main/src/core/MonoDevelop.Ide/gtk-gui/generated.cs:1
  at MonoDevelop.Ide.Gui.IdeStartup.Run (string[]) [0x00423] in /home/brett/Downloads/MonoProject/monodevelop/main/src/core/MonoDevelop.Ide/MonoDevelop.Ide.Gui/IdeStartup.cs:203
  at MonoDevelop.Startup.SharpDevelopMain.Main (string[]) [0x00018] in /home/brett/Downloads/MonoProject/monodevelop/main/src/core/MonoDevelop.Startup/MonoDevelop.Startup/MonoDevelopMain.cs:21
  at (wrapper runtime-invoke) MonoDevelop.Startup.SharpDevelopMain.runtime_invoke_int_string[] (object,intptr,intptr,intptr) <0xffffffff>

Native stacktrace:

    monodevelop [0x4296f0]
    monodevelop [0x44b79d]
    /lib/libpthread.so.0 [0x7ffe720b6a80]
    /usr/lib/libgobject-2.0.so.0(g_type_is_a+0x57) [0x7ffe6e209337]
    /usr/lib/libgtk-x11-2.0.so.0 [0x7ffe6f98877b]
    /usr/lib/libgtk-x11-2.0.so.0 [0x7ffe6f99ae51]
    /usr/lib/libglib-2.0.so.0 [0x7ffe7271517b]
    /usr/lib/libglib-2.0.so.0(g_node_traverse+0x231) [0x7ffe72715d71]
    /usr/lib/libgtk-x11-2.0.so.0(gtk_tree_store_remove+0x126) [0x7ffe6f99de16]
    /usr/lib/libgtk-x11-2.0.so.0 [0x7ffe6f99df5e]
    /usr/lib/libgtk-x11-2.0.so.0 [0x7ffe6f99df24]
    /usr/lib/libgtk-x11-2.0.so.0 [0x7ffe6f99df24]
    /usr/lib/libgtk-x11-2.0.so.0(gtk_tree_store_clear+0x5c) [0x7ffe6f99dfdc]
    [0x41bf3cb0]

Debug info from gdb:


** (MonoDevelop:6067): WARNING **: Serious fd usage error 13

** (MonoDevelop:6067): WARNING **: Serious fd usage error 11

=================================================================
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.
=================================================================
    


Just a quick (unrelated) question re templates and expansion of them.  In MD 1.0 if I put in scwl and hit tab I'd get System.Console.WriteLine() - now when I do this I get 'Scale' being entered.  I looked at Preferences and ticked 'Expand Templates' but that didn't change the above.  I gather that I'm doing something wrong - but if someone could help me on this one I'd be grateful.
 
Brett Senior.



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