diff --git a/audio/2.0/vts/functional/ValidateAudioConfiguration.cpp b/audio/2.0/vts/functional/ValidateAudioConfiguration.cpp
index 5fc1b3d..ee49023 100644
--- a/audio/2.0/vts/functional/ValidateAudioConfiguration.cpp
+++ b/audio/2.0/vts/functional/ValidateAudioConfiguration.cpp
@@ -24,13 +24,9 @@
     const char* possibleConfigLocations[] = {"/odm/etc", "/vendor/etc", "/system/etc"};
     const char* configSchemaPath = "/data/local/tmp/audio_policy_configuration.xsd";
 
-    bool found = false;
     for (std::string folder : possibleConfigLocations) {
         const auto configPath = folder + '/' + configName;
         if (access(configPath.c_str(), R_OK) == 0) {
-            ASSERT_FALSE(found) << "Multiple " << configName << " found in "
-                                << ::testing::PrintToString(possibleConfigLocations);
-            found = true;
             ASSERT_VALID_XML(configPath.c_str(), configSchemaPath);
         }
     }
diff --git a/graphics/composer/2.1/default/IComposerCommandBuffer.h b/graphics/composer/2.1/default/IComposerCommandBuffer.h
index 9ee5f4f..058709c 100644
--- a/graphics/composer/2.1/default/IComposerCommandBuffer.h
+++ b/graphics/composer/2.1/default/IComposerCommandBuffer.h
@@ -92,6 +92,23 @@
     bool writeQueue(bool* outQueueChanged, uint32_t* outCommandLength,
             hidl_vec<hidl_handle>* outCommandHandles)
     {
+        // After data are written to the queue, it may not be read by the
+        // remote reader when
+        //
+        //  - the writer does not send them (because of other errors)
+        //  - the hwbinder transaction fails
+        //  - the reader does not read them (because of other errors)
+        //
+        // Discard the stale data here.
+        size_t staleDataSize = mQueue ? mQueue->availableToRead() : 0;
+        if (staleDataSize > 0) {
+            ALOGW("discarding stale data from message queue");
+            CommandQueueType::MemTransaction tx;
+            if (mQueue->beginRead(staleDataSize, &tx)) {
+                mQueue->commitRead(staleDataSize);
+            }
+        }
+
         // write data to queue, optionally resizing it
         if (mQueue && (mDataMaxSize <= mQueue->getQuantumCount())) {
             if (!mQueue->write(mData.get(), mDataWritten)) {
diff --git a/media/omx/1.0/vts/functional/video/VtsHalMediaOmxV1_0TargetVideoDecTest.cpp b/media/omx/1.0/vts/functional/video/VtsHalMediaOmxV1_0TargetVideoDecTest.cpp
index 1663ae7..1d4fd67 100644
--- a/media/omx/1.0/vts/functional/video/VtsHalMediaOmxV1_0TargetVideoDecTest.cpp
+++ b/media/omx/1.0/vts/functional/video/VtsHalMediaOmxV1_0TargetVideoDecTest.cpp
@@ -498,6 +498,21 @@
         ASSERT_EQ(msg.data.eventData.data1, kPortIndexOutput);
         if (msg.data.eventData.data2 == OMX_IndexParamPortDefinition ||
             msg.data.eventData.data2 == 0) {
+            // Components can send various kinds of port settings changed events
+            // all at once. Before committing to a full port reconfiguration,
+            // defer any events waiting in the queue to be addressed to a later
+            // point.
+            android::List<Message> msgQueueDefer;
+            while (1) {
+                status = observer->dequeueMessage(&msg, DEFAULT_TIMEOUT,
+                                                  iBuffer, oBuffer);
+                if (status !=
+                    android::hardware::media::omx::V1_0::Status::TIMED_OUT) {
+                    msgQueueDefer.push_back(msg);
+                    continue;
+                } else
+                    break;
+            }
             status = omxNode->sendCommand(
                 toRawCommandType(OMX_CommandPortDisable), kPortIndexOutput);
             ASSERT_EQ(status, android::hardware::media::omx::V1_0::Status::OK);
@@ -577,6 +592,16 @@
                 ASSERT_EQ(msg.data.eventData.data1, OMX_CommandPortEnable);
                 ASSERT_EQ(msg.data.eventData.data2, kPortIndexOutput);
 
+                // Push back deferred messages to the list
+                android::List<Message>::iterator it = msgQueueDefer.begin();
+                while (it != msgQueueDefer.end()) {
+                    status = omxNode->dispatchMessage(*it);
+                    ASSERT_EQ(
+                        status,
+                        ::android::hardware::media::omx::V1_0::Status::OK);
+                    it++;
+                }
+
                 // dispatch output buffers
                 for (size_t i = 0; i < oBuffer->size(); i++) {
                     dispatchOutputBuffer(omxNode, oBuffer, i, oPortMode);
diff --git a/radio/1.0/vts/functional/radio_hidl_hal_misc.cpp b/radio/1.0/vts/functional/radio_hidl_hal_misc.cpp
index d93b176..795af86 100644
--- a/radio/1.0/vts/functional/radio_hidl_hal_misc.cpp
+++ b/radio/1.0/vts/functional/radio_hidl_hal_misc.cpp
@@ -70,7 +70,7 @@
 TEST_F(RadioHidlTest, setRadioPower) {
     int serial = GetRandomSerialNumber();
 
-    radio->setRadioPower(serial, 0);
+    radio->setRadioPower(serial, 1);
     EXPECT_EQ(std::cv_status::no_timeout, wait());
     EXPECT_EQ(RadioResponseType::SOLICITED, radioRsp->rspInfo.type);
     EXPECT_EQ(serial, radioRsp->rspInfo.serial);