diff -u qt4-x11-4.6.2/debian/changelog qt4-x11-4.6.2/debian/changelog
--- qt4-x11-4.6.2/debian/changelog
+++ qt4-x11-4.6.2/debian/changelog
@@ -1,3 +1,11 @@
+qt4-x11 (4:4.6.2-0ubuntu5.1) lucid-proposed; urgency=low
+
+  * Add kubuntu_13_qtwebkit_initialise_gtk.diff prevent crashes due
+   to Gtk based plugin such as flashplugin 10.1 by explicitly forcing
+   the initializing of Gtk LP: #634774
+
+ -- Apoorv Parle <apparle@gmail.com>  Fri, 10 Sep 2010 14:32:24 +0530
+
 qt4-x11 (4:4.6.2-0ubuntu5) lucid; urgency=low
 
   [ Alessandro Ghersi ]
diff -u qt4-x11-4.6.2/debian/patches/series qt4-x11-4.6.2/debian/patches/series
--- qt4-x11-4.6.2/debian/patches/series
+++ qt4-x11-4.6.2/debian/patches/series
@@ -53,0 +54 @@
+kubuntu_13_qtwebkit_initialise_gtk.diff
only in patch2:
unchanged:
--- qt4-x11-4.6.2.orig/debian/patches/kubuntu_13_qtwebkit_initialise_gtk.diff
+++ qt4-x11-4.6.2/debian/patches/kubuntu_13_qtwebkit_initialise_gtk.diff
@@ -0,0 +1,48 @@
+--- qt4-x11-4.6.2.orig/src/3rdparty/webkit/WebCore/plugins/qt/PluginPackageQt.cpp
++++ qt4-x11-4.6.2/src/3rdparty/webkit/WebCore/plugins/qt/PluginPackageQt.cpp
+@@ -35,6 +35,8 @@
+ 
+ namespace WebCore {
+ 
++typedef void gtkInitFunc(int *argc, char ***argv);
++  
+ bool PluginPackage::fetchInfo()
+ {
+     if (!load())
+@@ -109,7 +111,8 @@
+ 
+     NP_InitializeFuncPtr NP_Initialize;
+     NPError npErr;
+-
++    gtkInitFunc* gtkInit;
++    
+     NP_Initialize = (NP_InitializeFuncPtr)m_module->resolve("NP_Initialize");
+     m_NPP_Shutdown = (NPP_ShutdownProcPtr)m_module->resolve("NP_Shutdown");
+ 
+@@ -126,6 +129,26 @@
+         // It does so in NP_Initialize with a null instance, therefore it is done this way:
+         m_browserFuncs.getvalue = staticPluginQuirkRequiresGtkToolKit_NPN_GetValue;
+     }
++    
++    // WORKAROUND: Prevent gtk based plugin crashes such as BR# 40567 by
++    // explicitly forcing the initializing of Gtk, i.e. calling gtk_init,
++    // whenver the symbol is present in the plugin library loaded above.
++    // Note that this workaround is based on code from the NSPluginClass ctor
++    // in KDE's kdebase/apps/nsplugins/viewer/nsplugin.cpp file.
++    gtkInit = (gtkInitFunc*)m_module->resolve("gtk_init");
++    if (gtkInit) {
++        // Prevent gtk_init() from replacing the X error handlers, since the Gtk
++        // handlers abort when they receive an X error, thus killing the viewer.
++#ifdef Q_WS_X11
++        int (*old_error_handler)(Display*, XErrorEvent*) = XSetErrorHandler(0);
++        int (*old_io_error_handler)(Display*) = XSetIOErrorHandler(0);
++#endif
++        gtkInit(0, 0);
++#ifdef Q_WS_X11
++        XSetErrorHandler(old_error_handler);
++        XSetIOErrorHandler(old_io_error_handler);
++#endif
++    }
+ 
+ #if defined(XP_UNIX)
+     npErr = NP_Initialize(&m_browserFuncs, &m_pluginFuncs);