diff --git a/driver.cc b/driver.cc
index 596ee1e..ab9f605 100644
--- a/driver.cc
+++ b/driver.cc
@@ -207,12 +207,11 @@ static void run_loop()
             }
         }
 
+        if (dc.cleanup) break;
         if (dc.next_bo) {
             gbm_surface_release_buffer(dc.gbm_surface, dc.bo);
             dc.bo = dc.next_bo;
         }
-
-        if (dc.cleanup) break;
     }
 }
 
@@ -451,15 +450,33 @@ static void cleanup()
     if (dc.vtfd > 0) 
         close(dc.vtfd);
 
+	drmEventContext ev;
+	memset(&ev, 0, sizeof(ev));
+	ev.version = DRM_EVENT_CONTEXT_VERSION;
+	ev.page_flip_handler = modeset_page_flip_event;
+    ev.vblank_handler = modeset_vblank_handler;
+    std::cerr << "wait for pending page-flip to complete..." << std::endl;
+    while (dc.pflip_pending) {
+        int ret = drmHandleEvent(dc.fd, &ev);
+        if (ret)
+            break;
+    }
     dc.action_mode->deinit();
 
     eglDestroySurface(dc.display, dc.surface);
     eglDestroyContext(dc.display, dc.gl_context);
     eglTerminate(dc.display);
         
+    if (dc.bo) {
+        std::cerr << "destroy bo: " << (unsigned long)dc.bo << std::endl;
+        gbm_bo_destroy(dc.bo);
+        std::cerr << "destroy bo: " << (unsigned long)dc.next_bo << std::endl;
+        gbm_bo_destroy(dc.next_bo);
+    }
     gbm_surface_destroy(dc.gbm_surface);
     gbm_device_destroy(dc.gbm);
 
+    if (dc.pflip_pending) std::cerr << "still has pflip pending" << std::endl;
     if (dc.saved_crtc) {
         drmModeSetCrtc(dc.fd, dc.saved_crtc->crtc_id, dc.saved_crtc->buffer_id, 
                 dc.saved_crtc->x, dc.saved_crtc->y, &dc.conn, 1, &dc.saved_crtc->mode);
diff --git a/initrd/prometheus.initrd_install b/initrd/prometheus.initrd_install
index 62d4136..e300da5 100644
--- a/initrd/prometheus.initrd_install
+++ b/initrd/prometheus.initrd_install
@@ -1,23 +1,37 @@
 #!/bin/bash
 
+add_library_dir() {
+    local f=
+    add_dir "$1"
+    for f in "$1"/*; do
+        if [[ -L $f ]]; then 
+            add_symlink "$f" "$(readlink -f "$f")"
+        elif [[ -e $f ]]; then
+            add_binary "$f"
+        fi
+    done
+}
+
 build() {
     add_file /usr/share/fonts/microsoft/msyh.ttf
     add_file /usr/lib/locale/locale-archive
 
-    add_binary /usr/lib/xorg/modules/dri/i915_dri.so
-    add_binary /usr/lib/xorg/modules/dri/i965_dri.so
-    add_binary /usr/lib/xorg/modules/dri/nouveau_dri.so
-    add_binary /usr/lib/xorg/modules/dri/nouveau_vieux_dri.so
-    add_binary /usr/lib/xorg/modules/dri/r200_dri.so
-    add_binary /usr/lib/xorg/modules/dri/r300_dri.so
-    add_binary /usr/lib/xorg/modules/dri/r600_dri.so
-    add_binary /usr/lib/xorg/modules/dri/radeon_dri.so
-    add_binary /usr/lib/xorg/modules/dri/radeonsi_dri.so
-    add_binary /usr/lib/xorg/modules/dri/swrast_dri.so
-    add_binary /usr/lib/xorg/modules/dri/vmwgfx_dri.so
-
-    add_binary /usr/lib/egl/egl_gallium.so
-    add_binary /usr/lib/gbm/gbm_gallium_drm.so
+    add_library_dir /usr/lib/xorg/modules/dri
+    [ -e /usr/lib/egl ] && add_library_dir /usr/lib/egl
+    [ -e /usr/lib/gbm ] && add_library_dir /usr/lib/gbm
+
+    # compatible with archlinux and iSoft Client OS
+    [ -e /usr/lib/mesa ] && add_library_dir /usr/lib/mesa
+    
+    if [ -L /usr/lib/libGLESv2.so.2.0.0 ]; then
+        add_symlink /usr/lib/libGLESv2.so.2.0.0
+        add_symlink /usr/lib/libGLESv2.so.2
+    fi
+
+    if [ -L /usr/lib/libEGL.so.1.0.0 ]; then
+        add_symlink /usr/lib/libEGL.so.1.0.0
+        add_symlink /usr/lib/libEGL.so.1
+    fi
 
 	add_binary /usr/sbin/prometheus
 	add_binary /usr/sbin/prometheusd