[ubuntu-mono] [Bug 1644529] Re: sysinfo crashes every time when clicking system

[Andreas Moog]

*** This bug is a duplicate of bug 1575182 ***
    https://bugs.launchpad.net/bugs/1575182

** This bug is no longer a duplicate of bug 1604613
   in graphical mode crash when you type on system
** This bug has been marked a duplicate of bug 1575182
   sysinfo crashes on ubuntu 16.04 (since upgrade)

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https://bugs.launchpad.net/bugs/1644529

Title:
  sysinfo crashes every time when clicking system

Status in sysinfo package in Ubuntu:
  Confirmed

Bug description:
  Launch sysinfo as root or user, don't matter

  After it launches, click the system icon for information about the system.
  The application crashes. 

  root at w520:~# lsb_release -rd
  Description:	Ubuntu 16.04.1 LTS
  Release:	16.04
  root at w520:~#

  
  root at w520:~# apt-cache policy sysinfo
  sysinfo:
    Installed: 0.7-10
    Candidate: 0.7-10
    Version table:
   *** 0.7-10 500
          500 http://au.archive.ubuntu.com/ubuntu xenial/universe amd64 Packages
          500 http://au.archive.ubuntu.com/ubuntu xenial/universe i386 Packages
          100 /var/lib/dpkg/status


  tim at w520:~$ sudo -i
  [sudo] password for tim: 
  root at w520:~# sysinfo
  GConf.NoSuchKeyException: Key '/apps/sysinfo/window_width' not found in GConf
    at GConf.Client.Get (System.String key) <0x4132ce80 + 0x00123> in <filename unknown>:0 
    at Sysinfo.Sysinfo..ctor (System.String[] args) <0x41318200 + 0x0143c> in <filename unknown>:0 
  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 () <0x41340d20 + 0x000a8> in <filename unknown>:0 
    at Sysinfo.Sysinfo.on_notebook1_switch_page (System.Object o, Gtk.SwitchPageArgs e) <0x4133a5c0 + 0x0011b> in <filename unknown>:0 
    at Gtk.Notebook.SwitchPageSignalCallback (IntPtr arg0, IntPtr arg1, UInt32 arg2, IntPtr gch) <0x41339da0 + 0x002f7> in <filename unknown>:0 
    at GLib.ExceptionManager.RaiseUnhandledException (System.Exception e, Boolean is_terminal) [0x00000] in <filename unknown>:0 
    at Gtk.Notebook.SwitchPageSignalCallback (IntPtr arg0, IntPtr arg1, UInt32 arg2, IntPtr gch) [0x00000] in <filename unknown>:0 
    at Gtk.Notebook.gtk_notebook_set_current_page (IntPtr , Int32 ) [0x00000] in <filename unknown>:0 
    at Gtk.Notebook.set_CurrentPage (Int32 value) [0x00000] in <filename unknown>:0 
    at Sysinfo.Sysinfo.on_treeview1_cursor_changed (System.Object o, System.EventArgs e) [0x00000] in <filename unknown>:0 
    at System.Reflection.MonoMethod.InternalInvoke (System.Reflection.MonoMethod , System.Object , System.Object[] , System.Exception& ) [0x00000] in <filename unknown>:0 
    at System.Reflection.MonoMethod.Invoke (System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture) [0x00000] in <filename unknown>:0 
    at System.Reflection.MethodBase.Invoke (System.Object obj, System.Object[] parameters) [0x00000] in <filename unknown>:0 
    at System.Delegate.DynamicInvokeImpl (System.Object[] args) [0x00000] in <filename unknown>:0 
    at System.MulticastDelegate.DynamicInvokeImpl (System.Object[] args) [0x00000] in <filename unknown>:0 
    at System.Delegate.DynamicInvoke (System.Object[] args) [0x00000] in <filename unknown>:0 
    at GLib.Signal.ClosureInvokedCB (System.Object o, GLib.ClosureInvokedArgs args) [0x00000] in <filename unknown>:0 
    at GLib.SignalClosure.Invoke (GLib.ClosureInvokedArgs args) [0x00000] in <filename unknown>:0 
    at GLib.SignalClosure.MarshalCallback (IntPtr raw_closure, IntPtr return_val, UInt32 n_param_vals, IntPtr param_values, IntPtr invocation_hint, IntPtr marshal_data) [0x00000] in <filename unknown>:0 
    at Gtk.Application.gtk_main () [0x00000] in <filename unknown>:0 
    at Gtk.Application.Run () [0x00000] in <filename unknown>:0 
    at Sysinfo.Sysinfo..ctor (System.String[] args) [0x00000] in <filename unknown>:0 
    at Sysinfo.Sysinfo.Main (System.String[] args) [0x00000] in <filename unknown>:0 
  root at w520:~#

  ProblemType: Bug
  DistroRelease: Ubuntu 16.04
  Package: sysinfo 0.7-10
  ProcVersionSignature: Ubuntu 4.4.0-47.68-generic 4.4.24
  Uname: Linux 4.4.0-47-generic x86_64
  NonfreeKernelModules: nvidia_drm nvidia_modeset nvidia
  ApportVersion: 2.20.1-0ubuntu2.1
  Architecture: amd64
  CurrentDesktop: Unity
  Date: Thu Nov 24 23:06:51 2016
  InstallationDate: Installed on 2016-11-23 (1 days ago)
  InstallationMedia: Ubuntu 16.04.1 LTS "Xenial Xerus" - Release amd64 (20160719)
  PackageArchitecture: all
  SourcePackage: sysinfo
  UpgradeStatus: No upgrade log present (probably fresh install)

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