[ubuntu-mono] [Bug 633068] Re: sysinfo crashes on startup

[Jeff Silverman]

I just installed 16.04 as an upgrade from 15.10.

sysinfo was not installed after the upgrade (I don't know if it was
installed before the upgrade).  Installed using apt-get

When I run the sysinfo command, and click on the system button, it
throws an exception:

GConf.NoSuchKeyException: Key '/apps/sysinfo/window_width' not found in GConf
jeffs at jeff-desktop:~$ sysinfo
GConf.NoSuchKeyException: Key '/apps/sysinfo/window_width' not found in GConf
  at GConf.Client.Get (System.String key) <0x40bedd90 + 0x00123> in <filename unknown>:0 
  at Sysinfo.Sysinfo..ctor (System.String[] args) <0x40bd9200 + 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 () <0x40c01d20 + 0x000a8> in <filename unknown>:0 
  at Sysinfo.Sysinfo.on_notebook1_switch_page (System.Object o, Gtk.SwitchPageArgs e) <0x40bfb5c0 + 0x0011b> in <filename unknown>:0 
  at Gtk.Notebook.SwitchPageSignalCallback (IntPtr arg0, IntPtr arg1, UInt32 arg2, IntPtr gch) <0x40bfada0 + 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 
jeffs at jeff-desktop:~$ 

According to the help menu, it is sysinfo 0.7.  Furthermore, it was written by Nil Gradisnik <ghaefb at gmail.com> with Thanks to:
Luka Kac <skipper3k at gmail.com>.

I am using the gnome-classic desktop session.

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https://bugs.launchpad.net/bugs/633068

Title:
  sysinfo crashes on startup

Status in sysinfo package in Ubuntu:
  Confirmed

Bug description:
  Binary package hint: sysinfo

  I just tried to start sysinfo and it crashed instead of getting
  opened. i'm on maverick 32-bit. using the terminal gave me these
  things:

  ~$ sysinfo
  GConf.NoSuchKeyException: Key '/apps/sysinfo/initial_animation' not found in GConf
    at GConf.Client.Get (System.String key) [0x00000] in <filename unknown>:0 
    at Sysinfo.Sysinfo.UpdateFromGConf () [0x00000] in <filename unknown>:0 
  GConf.NoSuchKeyException: Key '/apps/sysinfo/window_width' not found in GConf
    at GConf.Client.Get (System.String key) [0x00000] in <filename unknown>:0 
    at Sysinfo.Sysinfo..ctor (System.String[] args) [0x00000] in <filename unknown>:0 
  GConf.NoSuchKeyException: Key '/apps/sysinfo/section_start' not found in GConf
    at GConf.Client.Get (System.String key) [0x00000] in <filename unknown>:0 
    at Sysinfo.Sysinfo..ctor (System.String[] args) [0x00000] 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.Xorg () [0x00000] in <filename unknown>:0 
    at Sysinfo.Sysinfo.on_notebook1_switch_page (System.Object o, Gtk.SwitchPageArgs e) [0x00000] in <filename unknown>:0 
    at Gtk.Notebook.SwitchPageSignalCallback (IntPtr arg0, IntPtr arg1, UInt32 arg2, IntPtr gch) [0x00000] in <filename unknown>:0 
     at GLib.ExceptionManager.RaiseUnhandledException(System.Exception e, Boolean is_terminal)
     at Gtk.Notebook.SwitchPageSignalCallback(IntPtr arg0, IntPtr arg1, UInt32 arg2, IntPtr gch)
     at Gtk.Notebook.gtk_notebook_set_current_page(IntPtr , Int32 )
     at Gtk.Notebook.set_CurrentPage(Int32 value)
     at Sysinfo.Sysinfo.on_treeview1_cursor_changed(System.Object o, System.EventArgs e)
     at System.Reflection.MonoMethod.InternalInvoke(System.Object , System.Object[] , System.Exception ByRef )
     at System.Reflection.MonoMethod.Invoke(System.Object obj, BindingFlags invokeAttr, System.Reflection.Binder binder, System.Object[] parameters, System.Globalization.CultureInfo culture)
     at System.Reflection.MethodBase.Invoke(System.Object obj, System.Object[] parameters)
     at System.Delegate.DynamicInvokeImpl(System.Object[] args)
     at System.MulticastDelegate.DynamicInvokeImpl(System.Object[] args)
     at System.Delegate.DynamicInvoke(System.Object[] args)
     at GLib.Signal.ClosureInvokedCB(System.Object o, GLib.ClosureInvokedArgs args)
     at GLib.SignalClosure.Invoke(GLib.ClosureInvokedArgs args)
     at GLib.SignalClosure.MarshalCallback(IntPtr raw_closure, IntPtr return_val, UInt32 n_param_vals, IntPtr param_values, IntPtr invocation_hint, IntPtr marshal_data)
     at Gtk.Application.gtk_main()
     at Gtk.Application.Run()
     at Sysinfo.Sysinfo..ctor(System.String[] args)
     at Sysinfo.Sysinfo.Main(System.String[] args)

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