diff --git a/services/java/com/android/server/wm/WindowAnimator.java b/services/java/com/android/server/wm/WindowAnimator.java
index e5b1f2c27fc1a..2e817cadc8018 100644
--- a/services/java/com/android/server/wm/WindowAnimator.java
+++ b/services/java/com/android/server/wm/WindowAnimator.java
@@ -140,6 +140,8 @@ public class WindowAnimator {
                     mService.debugLayoutRepeats("appToken " + appAnimator.mAppToken + " done",
                         mPendingLayoutChanges);
                 }
+                if (WindowManagerService.DEBUG_ANIM) Slog.v(TAG,
+                        "updateWindowsApps...: done animating " + appAnimator.mAppToken);
             }
         }
 
@@ -154,9 +156,11 @@ public class WindowAnimator {
                 // stopped animating, do one more pass through the layout
                 mPendingLayoutChanges |= WindowManagerPolicy.FINISH_LAYOUT_REDO_WALLPAPER;
                 if (WindowManagerService.DEBUG_LAYOUT_REPEATS) {
-                    mService.debugLayoutRepeats("exiting appToken " + appAnimator.mAppToken 
+                    mService.debugLayoutRepeats("exiting appToken " + appAnimator.mAppToken
                         + " done", mPendingLayoutChanges);
                 }
+                if (WindowManagerService.DEBUG_ANIM) Slog.v(TAG,
+                        "updateWindowsApps...: done animating exiting " + appAnimator.mAppToken);
             }
         }
 
@@ -246,9 +250,9 @@ public class WindowAnimator {
 
                 if (mPolicy.doesForceHide(win, win.mAttrs)) {
                     if (!wasAnimating && nowAnimating) {
-                        if (WindowManagerService.DEBUG_VISIBILITY) Slog.v(TAG,
-                                "Animation started that could impact force hide: "
-                                + win);
+                        if (WindowManagerService.DEBUG_ANIM ||
+                                WindowManagerService.DEBUG_VISIBILITY) Slog.v(TAG,
+                                "Animation started that could impact force hide: " + win);
                         mBulkUpdateParams |= SET_FORCE_HIDING_CHANGED;
                         mPendingLayoutChanges |= WindowManagerPolicy.FINISH_LAYOUT_REDO_WALLPAPER;
                         if (WindowManagerService.DEBUG_LAYOUT_REPEATS) {
diff --git a/services/java/com/android/server/wm/WindowManagerService.java b/services/java/com/android/server/wm/WindowManagerService.java
index 9eb25779acda9..ee74e40094d93 100755
--- a/services/java/com/android/server/wm/WindowManagerService.java
+++ b/services/java/com/android/server/wm/WindowManagerService.java
@@ -130,8 +130,6 @@ import android.view.animation.AnimationSet;
 import android.view.animation.AnimationUtils;
 import android.view.animation.Interpolator;
 import android.view.animation.ScaleAnimation;
-import android.view.animation.Transformation;
-import android.view.animation.TranslateAnimation;
 
 import java.io.BufferedWriter;
 import java.io.DataInputStream;
@@ -3245,12 +3243,21 @@ public class WindowManagerService extends IWindowManager.Stub
             if (mNextAppTransitionType == ActivityOptions.ANIM_CUSTOM) {
                 a = loadAnimation(mNextAppTransitionPackage, enter ?
                         mNextAppTransitionEnter : mNextAppTransitionExit);
+                if (DEBUG_ANIM) Slog.v(TAG, "applyAnimation: wtoken=" + wtoken
+                        + " anim=" + a + " nextAppTransition=ANIM_CUSTOM"
+                        + " transit=" + transit + " Callers " + Debug.getCallers(3));
             } else if (mNextAppTransitionType == ActivityOptions.ANIM_SCALE_UP) {
                 a = createScaleUpAnimationLocked(transit, enter);
                 initialized = true;
+                if (DEBUG_ANIM) Slog.v(TAG, "applyAnimation: wtoken=" + wtoken
+                        + " anim=" + a + " nextAppTransition=ANIM_SCALE_UP"
+                        + " transit=" + transit + " Callers " + Debug.getCallers(3));
             } else if (mNextAppTransitionType == ActivityOptions.ANIM_THUMBNAIL) {
                 a = createThumbnailAnimationLocked(transit, enter, false);
                 initialized = true;
+                if (DEBUG_ANIM) Slog.v(TAG, "applyAnimation: wtoken=" + wtoken
+                        + " anim=" + a + " nextAppTransition=ANIM_THUMBNAIL"
+                        + " transit=" + transit + " Callers " + Debug.getCallers(3));
             } else {
                 int animAttr = 0;
                 switch (transit) {
@@ -3309,7 +3316,7 @@ public class WindowManagerService extends IWindowManager.Stub
                 if (DEBUG_ANIM) Slog.v(TAG, "applyAnimation: wtoken=" + wtoken
                         + " anim=" + a
                         + " animAttr=0x" + Integer.toHexString(animAttr)
-                        + " transit=" + transit);
+                        + " transit=" + transit + " Callers " + Debug.getCallers(3));
             }
             if (a != null) {
                 if (DEBUG_ANIM) {
@@ -7856,7 +7863,9 @@ public class WindowManagerService extends IWindowManager.Stub
                 mToTopApps.clear();
             }
 
-            WindowState oldWallpaper = mWallpaperTarget;
+            WindowState oldWallpaper =
+                    mWallpaperTarget != null && mWallpaperTarget.mWinAnimator.isAnimating()
+                    ? null : mWallpaperTarget;
 
             adjustWallpaperWindowsLocked();
             mInnerFields.mWallpaperMayChange = false;
@@ -8167,8 +8176,8 @@ public class WindowManagerService extends IWindowManager.Stub
                 // to go through the process of getting informed
                 // by the application when it has finished drawing.
                 if (w.mOrientationChanging) {
-                    if (DEBUG_ORIENTATION) Slog.v(TAG,
-                            "Orientation start waiting for draw in "
+                    if (DEBUG_ANIM || DEBUG_ORIENTATION) Slog.v(TAG,
+                            "Orientation start waiting for draw mDrawState=DRAW_PENDING in "
                             + w + ", surface " + winAnimator.mSurface);
                     winAnimator.mDrawState = WindowStateAnimator.DRAW_PENDING;
                     if (w.mAppToken != null) {
diff --git a/services/java/com/android/server/wm/WindowStateAnimator.java b/services/java/com/android/server/wm/WindowStateAnimator.java
index 9147a10626901..2e3833249d04a 100644
--- a/services/java/com/android/server/wm/WindowStateAnimator.java
+++ b/services/java/com/android/server/wm/WindowStateAnimator.java
@@ -380,8 +380,9 @@ class WindowStateAnimator {
 
     boolean finishDrawingLocked() {
         if (mDrawState == DRAW_PENDING) {
-            if (SHOW_TRANSACTIONS || DEBUG_ORIENTATION) Slog.v(
-                TAG, "finishDrawingLocked: " + this + " in " + mSurface);
+            if (DEBUG_ANIM || SHOW_TRANSACTIONS || DEBUG_ORIENTATION) Slog.v(
+                TAG, "finishDrawingLocked: mDrawState=COMMIT_DRAW_PENDING " + this + " in "
+                        + mSurface);
             mDrawState = COMMIT_DRAW_PENDING;
             return true;
         }
@@ -393,7 +394,8 @@ class WindowStateAnimator {
         if (mDrawState != COMMIT_DRAW_PENDING) {
             return false;
         }
-        //Slog.i(TAG, "commitFinishDrawingLocked: Draw pending. " + mSurface);
+        if (DEBUG_ANIM)
+            Slog.i(TAG, "commitFinishDrawingLocked: mDrawState=READY_TO_SHOW " + mSurface);
         mDrawState = READY_TO_SHOW;
         final boolean starting = mWin.mAttrs.type == TYPE_APPLICATION_STARTING;
         final AppWindowToken atoken = mWin.mAppToken;
@@ -526,8 +528,8 @@ class WindowStateAnimator {
         if (mSurface == null) {
             mReportDestroySurface = false;
             mSurfacePendingDestroy = false;
-            if (DEBUG_ORIENTATION) Slog.i(TAG,
-                    "createSurface " + this + ": DRAW NOW PENDING");
+            if (DEBUG_ANIM || DEBUG_ORIENTATION) Slog.i(TAG,
+                    "createSurface " + this + ": mDrawState=DRAW_PENDING");
             mDrawState = DRAW_PENDING;
             if (mWin.mAppToken != null) {
                 mWin.mAppToken.allDrawn = false;
@@ -1062,6 +1064,9 @@ class WindowStateAnimator {
                 }
             }
         } else {
+            if (DEBUG_ANIM) {
+                Slog.v(TAG, "prepareSurface: No changes in animation for " + mWin);
+            }
             displayed = true;
         }
 
@@ -1145,6 +1150,7 @@ class WindowStateAnimator {
 
             // Force the show in the next prepareSurfaceLocked() call.
             mLastAlpha = -1;
+            if (DEBUG_ANIM) Slog.v(TAG, "performShowLocked: mDrawState=HAS_DRAWN");
             mDrawState = HAS_DRAWN;
             mService.scheduleAnimationLocked();
 
@@ -1285,7 +1291,7 @@ class WindowStateAnimator {
                     + " anim=" + anim + " attr=0x" + Integer.toHexString(attr)
                     + " a=" + a
                     + " mAnimation=" + mAnimation
-                    + " isEntrance=" + isEntrance);
+                    + " isEntrance=" + isEntrance + " Callers " + Debug.getCallers(3));
             if (a != null) {
                 if (WindowManagerService.DEBUG_ANIM) {
                     RuntimeException e = null;