Comment 5 for bug 609170

I have update docky but i have the same behaviour (i think, not sure about it...).
Here my log:

[Info 17:56:03.555] Docky version: 2.1.0 bzr docky r1582 ppa
[Info 17:56:03.565] Kernel version: 2.6.32.24
[Info 17:56:03.566] CLR version: 2.0.50727.1433
[Debug 17:56:03.862] [SystemService] Using org.freedesktop.UPower for battery information
[Info 17:56:03.944] [ThemeService] Setting theme: Classic
[Info 17:56:03.944] [DockServices] Dock services initialized.
[Debug 17:56:03.952] [UserArgs] BufferTime = 10
[Debug 17:56:03.952] [UserArgs] MaxSize = 2147483647
[Debug 17:56:03.953] [UserArgs] NetbookMode = False
[Debug 17:56:03.953] [UserArgs] NoPollCursor = False
[Debug 17:56:03.968] [DBusManager] DBus Registered: org.gnome.Docky
[Debug 17:56:03.973] [DBusManager] DBus Registered: org.freedesktop.DockManager
[Debug 17:56:04.123] [PluginManager] Processing config file for "Battery Monitor".
[Debug 17:56:04.272] [PluginManager] Processing config file for "Bookmarks".
[Debug 17:56:04.272] [PluginManager] Processing config file for "CPU Monitor".
[Debug 17:56:04.273] [PluginManager] Processing config file for "Clock".
[Debug 17:56:04.273] [PluginManager] Processing config file for "Desktop".
[Debug 17:56:04.274] [PluginManager] Processing config file for "GMail".
[Debug 17:56:04.274] [PluginManager] Processing config file for "Mounter".
[Debug 17:56:04.275] [PluginManager] Processing config file for "NPR".
[Debug 17:56:04.275] [PluginManager] Processing config file for "Network Manager".
[Debug 17:56:04.287] [WindowMatcher] Initialize WindowMatcher
[Debug 17:56:04.289] [PluginManager] Processing config file for "Recent Documents".
[Debug 17:56:04.289] [PluginManager] Processing config file for "Session Manager".
[Debug 17:56:04.297] [PluginManager] Processing config file for "Timer".
[Debug 17:56:04.306] [PluginManager] Processing config file for "Trash".
[Debug 17:56:04.308] [WindowMatcher] Loading Remaps..
[Debug 17:56:04.318] [PluginManager] Processing config file for "Weather".
[Debug 17:56:04.318] [PluginManager] Processing config file for "Workspace Switcher".
[Debug 17:56:04.330] [WindowMatcher] Remapping 'Picasa3.exe' to 'picasa'
[Debug 17:56:04.330] [WindowMatcher] Remapping 'nbexec' to 'netbeans'
[Debug 17:56:04.330] [WindowMatcher] Remapping 'deja-dup-preferences' to 'deja-dup'
[Debug 17:56:04.330] [WindowMatcher] Remapping 'VirtualBox' to 'virtualbox'
[Debug 17:56:04.331] [WindowMatcher] Loading /home/elvis/.cache/docky/docky.desktop.en_US.UTF-8.cache
[Info 17:56:05.902] [Helper] Starting banshee_control.py
[Info 17:56:05.925] [Helper] Starting rhythmbox_control.py
[Info 17:56:05.933] [Helper] Starting tomboy_menus.py
[Info 17:56:05.941] [Helper] Starting transmission_badge.py
[Info 17:56:05.951] [HelperService] Helper added: /usr/share/dockmanager/scripts/banshee_control.py
[Info 17:56:05.951] [HelperService] Helper added: /usr/share/dockmanager/scripts/deluge_badge.py
[Info 17:56:05.951] [HelperService] Helper added: /usr/share/dockmanager/scripts/emesene_control.py
[Info 17:56:05.951] [HelperService] Helper added: /usr/share/dockmanager/scripts/gajim_badge.py
[Info 17:56:05.951] [HelperService] Helper added: /usr/share/dockmanager/scripts/gtg_menus.py
[Info 17:56:05.951] [HelperService] Helper added: /usr/share/dockmanager/scripts/liferea_badge.py
[Info 17:56:05.951] [HelperService] Helper added: /usr/share/dockmanager/scripts/mpd_control.py
[Info 17:56:05.951] [HelperService] Helper added: /usr/share/dockmanager/scripts/open_terminal_here.py
[Info 17:56:05.952] [HelperService] Helper added: /usr/share/dockmanager/scripts/pidgin_control.py
[Info 17:56:05.952] [HelperService] Helper added: /usr/share/dockmanager/scripts/rhythmbox_control.py
[Info 17:56:05.952] [HelperService] Helper added: /usr/share/dockmanager/scripts/skype_control.py
[Info 17:56:05.952] [HelperService] Helper added: /usr/share/dockmanager/scripts/tomboy_menus.py
[Info 17:56:05.952] [HelperService] Helper added: /usr/share/dockmanager/scripts/transmission_badge.py
[Info 17:56:05.952] [HelperService] Helper added: /usr/share/dockmanager/scripts/tsclient_menus.py
[Info 17:56:05.952] [HelperService] Helper added: /usr/share/dockmanager/scripts/zeitgeist_journal.py
[Info 17:56:05.952] [HelperService] Helper added: /usr/share/dockmanager/scripts/zeitgeist_menus.py
[Info 17:56:06.010] [DrawingService] Could not find 'deluge', using fallback of 'extension'.
[Info 17:56:06.060] [DrawingService] Could not find 'emesene', using fallback of 'extension'.
[Info 17:56:06.072] [DrawingService] Could not find 'gajim', using fallback of 'extension'.
[Info 17:56:06.102] [DrawingService] Could not find 'gtg', using fallback of 'extension'.
[Info 17:56:06.122] [DrawingService] Could not find 'liferea', using fallback of 'extension'.
[Info 17:56:06.194] [DrawingService] Could not find 'pidgin', using fallback of 'extension'.
[Debug 17:58:04.736] [WindowMatcher] Saving /home/elvis/.cache/docky/docky.desktop.en_US.UTF-8.cache
[16484:16484:17459805810:ERROR:base/native_library_linux.cc(28)] dlopen failed when trying to open default_plugin: default_plugin: cannot open shared object file: No such file or directory
[16296:16296:17459962475:ERROR:chrome/browser/renderer_host/render_widget_host.cc(927)] Not implemented reached in void RenderWidgetHost::OnMsgCreatePluginContainer(gfx::PluginWindowHandle)
[16296:16485:17463446198:ERROR:chrome/browser/sync/notifier/registration_manager.cc(127)] Registration failed with code: 12
[16296:16485:17463446246:ERROR:chrome/browser/sync/notifier/registration_manager.cc(127)] Registration failed with code: 12
[16296:16485:17463446275:ERROR:chrome/browser/sync/notifier/registration_manager.cc(127)] Registration failed with code: 12
[16296:16485:17463446302:ERROR:chrome/browser/sync/notifier/registration_manager.cc(127)] Registration failed with code: 12
[16296:16485:17463446330:ERROR:chrome/browser/sync/notifier/registration_manager.cc(127)] Registration failed with code: 12
[16296:16485:17463446358:ERROR:chrome/browser/sync/notifier/registration_manager.cc(127)] Registration failed with code: 12
[16296:16485:17463446391:ERROR:chrome/browser/sync/notifier/registration_manager.cc(127)] Registration failed with code: 12
[16296:16485:17463446420:ERROR:chrome/browser/sync/notifier/registration_manager.cc(127)] Registration failed with code: 12
Gtk-Message: Failed to load module "globalmenu-plugin": /usr/lib/gtk-2.0/modules/libglobalmenu-plugin.so: wrong ELF class: ELFCLASS64
*** NSPlugin Viewer *** WARNING: unhandled variable 18 (<unknown variable>) in NPN_GetValue()
*** NSPlugin Viewer *** WARNING: unhandled variable 18 (<unknown variable>) in NPN_GetValue()
*** NSPlugin Viewer *** WARNING: unhandled variable 18 (<unknown variable>) in NPN_GetValue()
*** NSPlugin Viewer *** WARNING: unhandled variable 18 (<unknown variable>) in NPN_GetValue()
[16296:16296:17484683242:ERROR:chrome/app/chrome_dll_main.cc(248)] Gdk: gdk_cursor_new_from_pixbuf: assertion `0 <= x && x < gdk_pixbuf_get_width (pixbuf)' failed
[16296:16296:17529001376:ERROR:chrome/app/chrome_dll_main.cc(248)] GLib-GObject: g_object_ref: assertion `object->ref_count > 0' failed
No classfiles specified; output will have no warnings
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 Docky.Menus.MenuList.Dispose () [0x00000] in /build/buildd/docky-2.1.0~bzr1582/Docky.Items/Docky.Menus/MenuList.cs:133
  at Docky.Items.AbstractDockItem.Dispose () [0x00032] in /build/buildd/docky-2.1.0~bzr1582/Docky.Items/Docky.Items/AbstractDockItem.cs:1093
  at Docky.Items.IconDockItem.Dispose () [0x0004f] in /build/buildd/docky-2.1.0~bzr1582/Docky.Items/Docky.Items/IconDockItem.cs:209
  at Docky.Items.WnckDockItem.Dispose () [0x00038] in /build/buildd/docky-2.1.0~bzr1582/Docky.Items/Docky.Items/WnckDockItem.cs:286
  at Docky.Items.ApplicationDockItem.Dispose () [0x000c4] in /build/buildd/docky-2.1.0~bzr1582/Docky.Items/Docky.Items/ApplicationDockItem.cs:236
  at Docky.Items.FileApplicationProvider.RemoveTransientItems (IEnumerable`1 items) [0x00071] in /build/buildd/docky-2.1.0~bzr1582/Docky.Items/Docky.Items/FileApplicationProvider.cs:300
  at Docky.Items.FileApplicationProvider.UpdateTransientItems () [0x00231] in /build/buildd/docky-2.1.0~bzr1582/Docky.Items/Docky.Items/FileApplicationProvider.cs:287
  at Docky.Items.FileApplicationProvider+<WnckScreenDefaultWindowOpened>c__AnonStorey10.<>m__35 () [0x00026] in /build/buildd/docky-2.1.0~bzr1582/Docky.Items/Docky.Items/FileApplicationProvider.cs:186
  at GLib.Timeout+TimeoutProxy.Handler () [0x00000]
   at GLib.ExceptionManager.RaiseUnhandledException(System.Exception e, Boolean is_terminal)
   at GLib.Timeout+TimeoutProxy.Handler()
   at Gtk.Application.gtk_main()
   at Gtk.Application.Run()
   at Docky.Docky.Main(System.String[] args) in /build/buildd/docky-2.1.0~bzr1582/Docky/Docky/Docky.cs:line 104
Cairo.Context: called from finalization thread, programmer is missing a call to Dispose
Cairo.Context: called from finalization thread, programmer is missing a call to Dispose
Cairo.Context: called from finalization thread, programmer is missing a call to Dispose