#0  0xb75bb411 in _wnck_window_destroy (window=0x89de980) at window.c:570
  [Error: window.c was not found in source tree]
#1  0xb75ac026 in wnck_screen_finalize (object=0x894c420) at screen.c:526
  [Error: screen.c was not found in source tree]
#2  0xb6ea1498 in g_object_unref (_object=0x894c420) at /build/buildd/glib2.0-2.34.0/./gobject/gobject.c:3023
  [Error: /build/buildd/glib2.0-2.34.0/./gobject/gobject.c was not found in source tree]
#3  0x080640db in gwd_settings_notified_impl_dispose (object=0x8922f90) at /build/buildd/compiz-0.9.8.4/gtk/window-decorator/gwd-settings-notified.c:201
  [Error: /build/buildd/compiz-0.9.8.4/gtk/window-decorator/gwd-settings-notified.c was not found in source tree]
#4  0xb6ea1408 in g_object_unref (_object=0x8922f90) at /build/buildd/glib2.0-2.34.0/./gobject/gobject.c:2986
  [Error: /build/buildd/glib2.0-2.34.0/./gobject/gobject.c was not found in source tree]
#5  0x080668a7 in gwd_settings_finalize (object=0x894e000) at /build/buildd/compiz-0.9.8.4/gtk/window-decorator/gwd-settings.c:605
  [Error: /build/buildd/compiz-0.9.8.4/gtk/window-decorator/gwd-settings.c was not found in source tree]
#6  0xb6ea1498 in g_object_unref (_object=0x894e000) at /build/buildd/glib2.0-2.34.0/./gobject/gobject.c:3023
  [Error: /build/buildd/glib2.0-2.34.0/./gobject/gobject.c was not found in source tree]
#7  0x080638fc in gwd_settings_storage_xprop_dispose (object=0x8935ea0) at /build/buildd/compiz-0.9.8.4/gtk/window-decorator/gwd-settings-xproperty-storage.c:180
  [Error: /build/buildd/compiz-0.9.8.4/gtk/window-decorator/gwd-settings-xproperty-storage.c was not found in source tree]
#8  0xb6ea1408 in g_object_unref (_object=0x8935ea0) at /build/buildd/glib2.0-2.34.0/./gobject/gobject.c:2986
  [Error: /build/buildd/glib2.0-2.34.0/./gobject/gobject.c was not found in source tree]
#9  0x0805e2c7 in fini_settings () at /build/buildd/compiz-0.9.8.4/gtk/window-decorator/settings.c:101
  [Error: /build/buildd/compiz-0.9.8.4/gtk/window-decorator/settings.c was not found in source tree]
#10 0x08052a1a in main (argc=2, argv=0xbfb58294) at /build/buildd/compiz-0.9.8.4/gtk/window-decorator/gtk-window-decorator.c:433
  [Error: /build/buildd/compiz-0.9.8.4/gtk/window-decorator/gtk-window-decorator.c was not found in source tree]