diff --git a/libs/gui/SurfaceTextureClient.cpp b/libs/gui/SurfaceTextureClient.cpp
index 0bee0f1..98fa171 100644
--- a/libs/gui/SurfaceTextureClient.cpp
+++ b/libs/gui/SurfaceTextureClient.cpp
@@ -409,9 +409,9 @@
 int SurfaceTextureClient::disconnect(int api) {
     LOGV("SurfaceTextureClient::disconnect");
     Mutex::Autolock lock(mMutex);
+    freeAllBuffers();
     int err = mSurfaceTexture->disconnect(api);
     if (!err) {
-        freeAllBuffers();
         mReqFormat = 0;
         mReqWidth = 0;
         mReqHeight = 0;
diff --git a/libs/gui/tests/SurfaceTexture_test.cpp b/libs/gui/tests/SurfaceTexture_test.cpp
index b8bc454..5daafd5 100644
--- a/libs/gui/tests/SurfaceTexture_test.cpp
+++ b/libs/gui/tests/SurfaceTexture_test.cpp
@@ -334,7 +334,7 @@
 
 class SurfaceTextureGLTest : public GLTest {
 protected:
-    static const GLint TEX_ID = 123;
+    enum { TEX_ID = 123 };
 
     virtual void SetUp() {
         GLTest::SetUp();
@@ -1438,4 +1438,86 @@
     }
 }
 
+TEST_F(SurfaceTextureGLTest, EglDestroySurfaceUnrefsBuffers) {
+    EGLSurface stcEglSurface = eglCreateWindowSurface(mEglDisplay, mGlConfig,
+            mANW.get(), NULL);
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+    ASSERT_NE(EGL_NO_SURFACE, stcEglSurface);
+
+    sp<GraphicBuffer> buffers[3];
+
+    for (int i = 0; i < 3; i++) {
+        // Produce a frame
+        EXPECT_TRUE(eglMakeCurrent(mEglDisplay, stcEglSurface, stcEglSurface,
+                mEglContext));
+        ASSERT_EQ(EGL_SUCCESS, eglGetError());
+        glClear(GL_COLOR_BUFFER_BIT);
+        eglSwapBuffers(mEglDisplay, stcEglSurface);
+
+        // Consume a frame
+        EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
+                mEglContext));
+        ASSERT_EQ(EGL_SUCCESS, eglGetError());
+        mST->updateTexImage();
+        buffers[i] = mST->getCurrentBuffer();
+    }
+
+    // Destroy the GL texture object to release its ref on buffers[2].
+    GLuint texID = TEX_ID;
+    glDeleteTextures(1, &texID);
+
+    // Destroy the EGLSurface
+    EXPECT_TRUE(eglDestroySurface(mEglDisplay, stcEglSurface));
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+
+    // Release the ref that the SurfaceTexture has on buffers[2].
+    mST->abandon();
+
+    EXPECT_EQ(1, buffers[0]->getStrongCount());
+    EXPECT_EQ(1, buffers[1]->getStrongCount());
+    EXPECT_EQ(1, buffers[2]->getStrongCount());
+}
+
+TEST_F(SurfaceTextureGLTest, EglDestroySurfaceAfterAbandonUnrefsBuffers) {
+    EGLSurface stcEglSurface = eglCreateWindowSurface(mEglDisplay, mGlConfig,
+            mANW.get(), NULL);
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+    ASSERT_NE(EGL_NO_SURFACE, stcEglSurface);
+
+    sp<GraphicBuffer> buffers[3];
+
+    for (int i = 0; i < 3; i++) {
+        // Produce a frame
+        EXPECT_TRUE(eglMakeCurrent(mEglDisplay, stcEglSurface, stcEglSurface,
+                mEglContext));
+        ASSERT_EQ(EGL_SUCCESS, eglGetError());
+        glClear(GL_COLOR_BUFFER_BIT);
+        EXPECT_TRUE(eglSwapBuffers(mEglDisplay, stcEglSurface));
+        ASSERT_EQ(EGL_SUCCESS, eglGetError());
+
+        // Consume a frame
+        EXPECT_TRUE(eglMakeCurrent(mEglDisplay, mEglSurface, mEglSurface,
+                mEglContext));
+        ASSERT_EQ(EGL_SUCCESS, eglGetError());
+        ASSERT_EQ(NO_ERROR, mST->updateTexImage());
+        buffers[i] = mST->getCurrentBuffer();
+    }
+
+    // Abandon the SurfaceTexture, releasing the ref that the SurfaceTexture has
+    // on buffers[2].
+    mST->abandon();
+
+    // Destroy the GL texture object to release its ref on buffers[2].
+    GLuint texID = TEX_ID;
+    glDeleteTextures(1, &texID);
+
+    // Destroy the EGLSurface.
+    EXPECT_TRUE(eglDestroySurface(mEglDisplay, stcEglSurface));
+    ASSERT_EQ(EGL_SUCCESS, eglGetError());
+
+    EXPECT_EQ(1, buffers[0]->getStrongCount());
+    EXPECT_EQ(1, buffers[1]->getStrongCount());
+    EXPECT_EQ(1, buffers[2]->getStrongCount());
+}
+
 } // namespace android
diff --git a/libs/utils/Android.mk b/libs/utils/Android.mk
index 638f72f..831d9e3 100644
--- a/libs/utils/Android.mk
+++ b/libs/utils/Android.mk
@@ -71,6 +71,10 @@
 endif
 endif
 
+ifeq ($(TARGET_OS),linux)
+LOCAL_LDLIBS += -lrt -ldl
+endif
+
 include $(BUILD_HOST_STATIC_LIBRARY)
 
 
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 1905a68..dc47a03 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -1560,8 +1560,15 @@
         result.append(buffer);
         snprintf(buffer, SIZE,
                 "  last eglSwapBuffers() time: %f us\n"
-                "  last transaction time     : %f us\n",
-                mLastSwapBufferTime/1000.0, mLastTransactionTime/1000.0);
+                "  last transaction time     : %f us\n"
+                "  refresh-rate              : %f fps\n"
+                "  x-dpi                     : %f\n"
+                "  y-dpi                     : %f\n",
+                mLastSwapBufferTime/1000.0,
+                mLastTransactionTime/1000.0,
+                hw.getRefreshRate(),
+                hw.getDpiX(),
+                hw.getDpiY());
         result.append(buffer);
 
         if (inSwapBuffersDuration || !locked) {