[ubuntu-mono] [Bug 1688532] [NEW] Sysinfo cannot start on Xubuntu 17.04

[Nick]

Public bug reported:

Xubuntu 17.04
sysinfo 0.7-10

When I try to start sysinfo from terminal:

"
Exception in Gtk# callback delegate
  Note: Applications can use GLib.ExceptionManager.UnhandledException to handle the exception.
System.NullReferenceException: Object reference not set to an instance of an object
  at Sysinfo.SystemInfo.Gnome () [0x00030] in <45b67a0282244099ba2336967ed82e8f>:0 
  at Sysinfo.Sysinfo.on_notebook1_switch_page (System.Object o, Gtk.SwitchPageArgs e) [0x00027] in <45b67a0282244099ba2336967ed82e8f>:0 
  at Gtk.Notebook.SwitchPageSignalCallback (System.IntPtr arg0, System.IntPtr arg1, System.UInt32 arg2, System.IntPtr gch) [0x00097] in <573b897a54ae4730b20442c8cd3b9a43>:0 
  at GLib.ExceptionManager.RaiseUnhandledException (System.Exception e, System.Boolean is_terminal) [0x00000] in <5a439e0caae7469886e7119d9f6bc621>:0 
  at Gtk.Notebook.SwitchPageSignalCallback (System.IntPtr arg0, System.IntPtr arg1, System.UInt32 arg2, System.IntPtr gch) [0x00000] in <573b897a54ae4730b20442c8cd3b9a43>:0 
  at Gtk.Notebook.gtk_notebook_set_current_page (System.IntPtr , System.Int32 ) [0x00000] in <573b897a54ae4730b20442c8cd3b9a43>:0 
  at Gtk.Notebook.set_CurrentPage (System.Int32 value) [0x00000] in <573b897a54ae4730b20442c8cd3b9a43>:0 
  at Sysinfo.Sysinfo..ctor (System.String[] args) [0x00000] in <45b67a0282244099ba2336967ed82e8f>:0 
  at Sysinfo.Sysinfo.Main (System.String[] args) [0x00000] in <45b67a0282244099ba2336967ed82e8f>:0 "

** Affects: sysinfo (Ubuntu)
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/1688532

Title:
  Sysinfo cannot start on Xubuntu 17.04

Status in sysinfo package in Ubuntu:
  New

Bug description:
  Xubuntu 17.04
  sysinfo 0.7-10

  When I try to start sysinfo from terminal:

  "
  Exception in Gtk# callback delegate
    Note: Applications can use GLib.ExceptionManager.UnhandledException to handle the exception.
  System.NullReferenceException: Object reference not set to an instance of an object
    at Sysinfo.SystemInfo.Gnome () [0x00030] in <45b67a0282244099ba2336967ed82e8f>:0 
    at Sysinfo.Sysinfo.on_notebook1_switch_page (System.Object o, Gtk.SwitchPageArgs e) [0x00027] in <45b67a0282244099ba2336967ed82e8f>:0 
    at Gtk.Notebook.SwitchPageSignalCallback (System.IntPtr arg0, System.IntPtr arg1, System.UInt32 arg2, System.IntPtr gch) [0x00097] in <573b897a54ae4730b20442c8cd3b9a43>:0 
    at GLib.ExceptionManager.RaiseUnhandledException (System.Exception e, System.Boolean is_terminal) [0x00000] in <5a439e0caae7469886e7119d9f6bc621>:0 
    at Gtk.Notebook.SwitchPageSignalCallback (System.IntPtr arg0, System.IntPtr arg1, System.UInt32 arg2, System.IntPtr gch) [0x00000] in <573b897a54ae4730b20442c8cd3b9a43>:0 
    at Gtk.Notebook.gtk_notebook_set_current_page (System.IntPtr , System.Int32 ) [0x00000] in <573b897a54ae4730b20442c8cd3b9a43>:0 
    at Gtk.Notebook.set_CurrentPage (System.Int32 value) [0x00000] in <573b897a54ae4730b20442c8cd3b9a43>:0 
    at Sysinfo.Sysinfo..ctor (System.String[] args) [0x00000] in <45b67a0282244099ba2336967ed82e8f>:0 
    at Sysinfo.Sysinfo.Main (System.String[] args) [0x00000] in <45b67a0282244099ba2336967ed82e8f>:0 "

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