diff --git a/camera/ndk/ndk_vendor/impl/ACameraDevice.cpp b/camera/ndk/ndk_vendor/impl/ACameraDevice.cpp
index 85ab0c2..0a57590 100644
--- a/camera/ndk/ndk_vendor/impl/ACameraDevice.cpp
+++ b/camera/ndk/ndk_vendor/impl/ACameraDevice.cpp
@@ -491,6 +491,7 @@
     }
 
     if (mRemote != nullptr) {
+        ALOGD("%s: binder disconnect reached", __FUNCTION__);
         auto ret = mRemote->disconnect();
         if (!ret.isOk()) {
             ALOGE("%s: Transaction error while disconnecting device %s", __FUNCTION__,
diff --git a/services/camera/libcameraservice/common/Camera2ClientBase.cpp b/services/camera/libcameraservice/common/Camera2ClientBase.cpp
index 0ac047a..a7097fb 100644
--- a/services/camera/libcameraservice/common/Camera2ClientBase.cpp
+++ b/services/camera/libcameraservice/common/Camera2ClientBase.cpp
@@ -243,20 +243,23 @@
 template <typename TClientBase>
 binder::Status Camera2ClientBase<TClientBase>::disconnect() {
     ATRACE_CALL();
+    ALOGD("Camera %s: start to disconnect", TClientBase::mCameraIdStr.string());
     Mutex::Autolock icl(mBinderSerializationLock);
 
+    ALOGD("Camera %s: serializationLock acquired", TClientBase::mCameraIdStr.string());
     binder::Status res = binder::Status::ok();
     // Allow both client and the media server to disconnect at all times
     int callingPid = CameraThreadState::getCallingPid();
     if (callingPid != TClientBase::mClientPid &&
         callingPid != TClientBase::mServicePid) return res;
 
-    ALOGV("Camera %s: Shutting down", TClientBase::mCameraIdStr.string());
+    ALOGD("Camera %s: Shutting down", TClientBase::mCameraIdStr.string());
 
     // Before detaching the device, cache the info from current open session.
     // The disconnected check avoids duplication of info and also prevents
     // deadlock while acquiring service lock in cacheDump.
     if (!TClientBase::mDisconnected) {
+        ALOGD("Camera %s: start to cacheDump", TClientBase::mCameraIdStr.string());
         Camera2ClientBase::getCameraService()->cacheDump();
     }