We also have always had this problem. Here's the crash output from right clicking. Intel chipset graphics?
Rebuild object False
Stacktrace:
at <unknown> <0xffffffff>
at (wrapper managed-to-native) object.wrapper_native_0x7fa5e0c5e760 (OpenTK.Graphics.OpenGL.BeginMode,int,OpenTK.Graphics.OpenGL.DrawElementsType,intptr) <0xffffffff>
at OpenTK.Graphics.OpenGL.GL.DrawElements (OpenTK.Graphics.OpenGL.BeginMode,int,OpenTK.Graphics.OpenGL.DrawElementsType,intptr) <0x0003c>
at OpenTK.Graphics.OpenGL.GL.DrawElements (OpenTK.Graphics.OpenGL.BeginMode,int,OpenTK.Graphics.OpenGL.DrawElementsType,int) <0x00033>
at RepetierHostExtender.geom.Submesh.Draw (int,OpenTK.Vector3,bool,bool) <0x005f3>
at RepetierHostExtender.geom.TopoGroup.Paint (RepetierHostExtender.interfaces.I3DView) <0x005e3>
at RepetierHost.view.ThreeDControl.Picktest (RepetierHostExtender.geom.Geom3DLine,int,int) <0x0118a>
at RepetierHost.view.ThreeDControl.gl_MouseDown (object,System.Windows.Forms.MouseEventArgs) <0x0023b>
at System.Windows.Forms.Control.OnMouseDown (System.Windows.Forms.MouseEventArgs) <0x00069>
at System.Windows.Forms.UserControl.OnMouseDown (System.Windows.Forms.MouseEventArgs) <0x0001b>
at System.Windows.Forms.Control.WmRButtonDown (System.Windows.Forms.Message&) <0x000f8>
at System.Windows.Forms.Control.WndProc (System.Windows.Forms.Message&) <0x00283>
at System.Windows.Forms.ScrollableControl.WndProc (System.Windows.Forms.Message&) <0x0001b>
at System.Windows.Forms.ContainerControl.WndProc (System.Windows.Forms.Message&) <0x0005b>
at System.Windows.Forms.UserControl.WndProc (System.Windows.Forms.Message&) <0x0006b>
at System.Windows.Forms.Control/ControlWindowTarget.OnMessage (System.Windows.Forms.Message&) <0x00025>
at System.Windows.Forms.Control/ControlNativeWindow.WndProc (System.Windows.Forms.Message&) <0x00036>
at System.Windows.Forms.NativeWindow.WndProc (intptr,System.Windows.Forms.Msg,intptr,intptr) <0x00310>
at System.Windows.Forms.XplatUIX11.DispatchMessage (System.Windows.Forms.MSG&) <0x0001f>
at System.Windows.Forms.XplatUI.DispatchMessage (System.Windows.Forms.MSG&) <0x0001f>
at System.Windows.Forms.Application.RunLoop (bool,System.Windows.Forms.ApplicationContext) <0x00c7f>
at System.Windows.Forms.Application.Run (System.Windows.Forms.ApplicationContext) <0x0005f>
at System.Windows.Forms.Application.Run (System.Windows.Forms.Form) <0x00033>
at RepetierHost.Program.Main (string[]) <0x00043>
at (wrapper runtime-invoke) <Module>.runtime_invoke_void_object (object,intptr,intptr,intptr) <0xffffffff>
Native stacktrace:
mono() [0x4b73d8]
mono() [0x50f13b]
mono() [0x423d22]
/lib/x86_64-linux-gnu/libpthread.so.0(+0x10340) [0x7fa5f9063340]
/usr/lib/x86_64-linux-gnu/dri/i965_dri.so(+0x150710) [0x7fa5ca94c710]
/usr/lib/x86_64-linux-gnu/dri/i965_dri.so(+0x150a1e) [0x7fa5ca94ca1e]
/usr/lib/x86_64-linux-gnu/dri/i965_dri.so(+0x13919f) [0x7fa5ca93519f]
/usr/lib/x86_64-linux-gnu/dri/i965_dri.so(+0x15090b) [0x7fa5ca94c90b]
/usr/lib/x86_64-linux-gnu/dri/i965_dri.so(+0x2d7ec8) [0x7fa5caad3ec8]
/usr/lib/x86_64-linux-gnu/dri/i965_dri.so(+0x134903) [0x7fa5ca930903]
/usr/lib/x86_64-linux-gnu/dri/i965_dri.so(+0x135c20) [0x7fa5ca931c20]
/usr/lib/x86_64-linux-gnu/dri/i965_dri.so(+0x136143) [0x7fa5ca932143]
[0x4196b006]
Debug info from gdb:
Could not attach to process. If your uid matches the uid of the target
process, check the setting of /proc/sys/kernel/yama/ptrace_scope, or try
again as the root user. For more details, see /etc/sysctl.d/10-ptrace.conf
ptrace: Operation not permitted.
No threads.
=================================================================
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.
=================================================================