diff -ru mesa-20080905.orig/src/glx/x11/dri_common.c mesa-20080905/src/glx/x11/dri_common.c
--- mesa-20080905.orig/src/glx/x11/dri_common.c	2008-09-18 17:53:24.000000000 +0100
+++ mesa-20080905/src/glx/x11/dri_common.c	2008-09-19 11:32:24.000000000 +0100
@@ -329,6 +329,16 @@
 }
 
 _X_HIDDEN void
+driReleaseConfigs(__DRIconfig **driConfigs)
+{
+    int i;
+    for (i = 0; driConfigs[i]; i++) {
+	Xfree(driConfigs[i]);
+    }
+    Xfree(driConfigs);
+}
+
+_X_HIDDEN void
 driBindExtensions(__GLXscreenConfigs *psc, int dri2)
 {
     const __DRIextension **extensions;
diff -ru mesa-20080905.orig/src/glx/x11/dri_common.h mesa-20080905/src/glx/x11/dri_common.h
--- mesa-20080905.orig/src/glx/x11/dri_common.h	2008-09-18 17:53:24.000000000 +0100
+++ mesa-20080905/src/glx/x11/dri_common.h	2008-09-19 10:20:52.000000000 +0100
@@ -47,6 +47,8 @@
 driConvertConfigs(const __DRIcoreExtension *core,
 		  __GLcontextModes *modes, const __DRIconfig **configs);
 
+extern void driReleaseConfigs(__DRIconfig **a);
+
 extern const __DRIsystemTimeExtension systemTimeExtension;
 
 extern void InfoMessageF(const char *f, ...);
diff -ru mesa-20080905.orig/src/glx/x11/drisw_glx.c mesa-20080905/src/glx/x11/drisw_glx.c
--- mesa-20080905.orig/src/glx/x11/drisw_glx.c	2008-09-18 17:53:24.000000000 +0100
+++ mesa-20080905/src/glx/x11/drisw_glx.c	2008-09-19 10:58:55.000000000 +0100
@@ -340,6 +340,7 @@
     /* Free the direct rendering per screen data */
     (*psc->core->destroyScreen)(psc->__driScreen);
     psc->__driScreen = NULL;
+    driReleaseConfigs(psc->driver_configs);
     if (psc->driver)
 	dlclose(psc->driver);
 }
@@ -348,7 +349,6 @@
 				       __GLXdisplayPrivate *priv)
 {
     __GLXDRIscreen *psp;
-    const __DRIconfig **driver_configs;
     const __DRIextension **extensions;
     const char *driverName = "swrast";
     int i;
@@ -384,7 +384,7 @@
 
     psc->__driScreen =
 	psc->swrast->createNewScreen(screen,
-				     loader_extensions, &driver_configs, psc);
+				     loader_extensions, &psc->driver_configs, psc);
     if (psc->__driScreen == NULL) {
 	ErrorMessageF("failed to create dri screen\n");
 	goto handle_error;
@@ -392,8 +392,8 @@
 
     driBindExtensions(psc, 0);
 
-    psc->configs = driConvertConfigs(psc->core, psc->configs, driver_configs);
-    psc->visuals = driConvertConfigs(psc->core, psc->visuals, driver_configs);
+    psc->configs = driConvertConfigs(psc->core, psc->configs, psc->driver_configs);
+    psc->visuals = driConvertConfigs(psc->core, psc->visuals, psc->driver_configs);
 
     psp->destroyScreen = driDestroyScreen;
     psp->createContext = driCreateContext;
diff -ru mesa-20080905.orig/src/glx/x11/glxclient.h mesa-20080905/src/glx/x11/glxclient.h
--- mesa-20080905.orig/src/glx/x11/glxclient.h	2008-09-18 17:53:24.000000000 +0100
+++ mesa-20080905/src/glx/x11/glxclient.h	2008-09-19 11:19:15.000000000 +0100
@@ -468,6 +468,7 @@
      * Per screen direct rendering interface functions and data.
      */
     __DRIscreen *__driScreen;
+    __DRIconfig **driver_configs;
     const __DRIcoreExtension *core;
     const __DRIlegacyExtension *legacy;
     const __DRIswrastExtension *swrast;