--- a/src/gui/text/qfontdatabase_x11.cpp	Wed Jun 23 19:07:03 2010 +0300
+++ b/src/gui/text/qfontdatabase_x11.cpp	Tue Jul 06 15:10:48 2010 +0300
@@ -41,9 +41,9 @@
 
 #include <qplatformdefs.h>
 
-#include <qdatetime.h>
 #include <qdebug.h>
 #include <qpaintdevice.h>
+#include <qelapsedtimer.h>
 
 #include <private/qt_x11_p.h>
 #include "qx11info_x11.h"
@@ -78,6 +78,9 @@
 extern double qt_pointSize(double pixelSize, int dpi);
 extern double qt_pixelSize(double pointSize, int dpi);
 
+// from qapplication.cpp
+extern bool qt_is_gui_used;
+
 static inline void capitalize (char *s)
 {
     bool space = true;
@@ -1218,7 +1221,7 @@
     }
 
 #ifdef QFONTDATABASE_DEBUG
-    QTime t;
+    QElapsedTimer t;
     t.start();
 #endif
 
@@ -1301,7 +1304,7 @@
     if (!db || db->count)
         return;
 
-    QTime t;
+    QElapsedTimer t;
     t.start();
 
 #ifndef QT_NO_FONTCONFIG
@@ -1314,7 +1317,7 @@
     }
 
     loadFontConfig();
-    FD_DEBUG("QFontDatabase: loaded FontConfig: %d ms", t.elapsed());
+    FD_DEBUG("QFontDatabase: loaded FontConfig: %d ms", int(t.elapsed()));
 #endif
 
     t.start();
@@ -1938,14 +1941,19 @@
         } else if (X11->has_fontconfig) {
             fe = loadFc(d, script, req);
 
-            if (fe != 0 && fe->fontDef.pixelSize != req.pixelSize) {
-                delete fe;
-                fe = loadXlfd(d->screen, script, req);
+            if (fe != 0 && fe->fontDef.pixelSize != req.pixelSize && mainThread && qt_is_gui_used) {
+                QFontEngine *xlfdFontEngine = loadXlfd(d->screen, script, req);
+                if (xlfdFontEngine->fontDef.family == fe->fontDef.family) {
+                    delete fe;
+                    fe = xlfdFontEngine;
+                } else {
+                    delete xlfdFontEngine;
+                }
             }
 
 
 #endif
-        } else if (mainThread) {
+        } else if (mainThread && qt_is_gui_used) {
             fe = loadXlfd(d->screen, script, req);
         }
         if (!fe) {