diff --git a/libs/renderengine/tests/RenderEngineThreadedTest.cpp b/libs/renderengine/tests/RenderEngineThreadedTest.cpp
index 475dc15..7289fe7 100644
--- a/libs/renderengine/tests/RenderEngineThreadedTest.cpp
+++ b/libs/renderengine/tests/RenderEngineThreadedTest.cpp
@@ -98,7 +98,6 @@
 }
 
 TEST_F(RenderEngineThreadedTest, PostRenderCleanup_skipped) {
-    EXPECT_CALL(*mRenderEngine, canSkipPostRenderCleanup()).WillOnce(Return(true));
     EXPECT_CALL(*mRenderEngine, cleanupPostRender()).Times(0);
     mThreadedRE->cleanupPostRender();
 
@@ -107,8 +106,25 @@
 }
 
 TEST_F(RenderEngineThreadedTest, PostRenderCleanup_notSkipped) {
-    EXPECT_CALL(*mRenderEngine, canSkipPostRenderCleanup()).WillOnce(Return(false));
+    renderengine::DisplaySettings settings;
+    std::vector<renderengine::LayerSettings> layers;
+    std::shared_ptr<renderengine::ExternalTexture> buffer = std::make_shared<
+            renderengine::impl::
+                    ExternalTexture>(sp<GraphicBuffer>::make(), *mRenderEngine,
+                                     renderengine::impl::ExternalTexture::Usage::READABLE |
+                                             renderengine::impl::ExternalTexture::Usage::WRITEABLE);
+    base::unique_fd bufferFence;
+
+    EXPECT_CALL(*mRenderEngine, useProtectedContext(false));
+    EXPECT_CALL(*mRenderEngine, drawLayersInternal)
+        .WillOnce([&](const std::shared_ptr<std::promise<FenceResult>>&& resultPromise,
+                          const renderengine::DisplaySettings&,
+                          const std::vector<renderengine::LayerSettings>&,
+                          const std::shared_ptr<renderengine::ExternalTexture>&,
+                          base::unique_fd&&) { resultPromise->set_value(Fence::NO_FENCE); });
     EXPECT_CALL(*mRenderEngine, cleanupPostRender()).WillOnce(Return());
+    ftl::Future<FenceResult> future =
+            mThreadedRE->drawLayers(settings, layers, buffer, std::move(bufferFence));
     mThreadedRE->cleanupPostRender();
 
     // call ANY synchronous function to ensure that cleanupPostRender has completed.
diff --git a/libs/renderengine/threaded/RenderEngineThreaded.cpp b/libs/renderengine/threaded/RenderEngineThreaded.cpp
index 2cb66cb..786a6fe 100644
--- a/libs/renderengine/threaded/RenderEngineThreaded.cpp
+++ b/libs/renderengine/threaded/RenderEngineThreaded.cpp
@@ -231,13 +231,13 @@
             ATRACE_NAME("REThreaded::cleanupPostRender");
             instance.cleanupPostRender();
         });
+        mNeedsPostRenderCleanup = false;
     }
     mCondition.notify_one();
 }
 
 bool RenderEngineThreaded::canSkipPostRenderCleanup() const {
-    waitUntilInitialized();
-    return mRenderEngine->canSkipPostRenderCleanup();
+    return !mNeedsPostRenderCleanup;
 }
 
 void RenderEngineThreaded::drawLayersInternal(
@@ -257,6 +257,7 @@
     int fd = bufferFence.release();
     {
         std::lock_guard lock(mThreadMutex);
+        mNeedsPostRenderCleanup = true;
         mFunctionCalls.push(
                 [resultPromise, display, layers, buffer, fd](renderengine::RenderEngine& instance) {
                     ATRACE_NAME("REThreaded::drawLayers");
diff --git a/libs/renderengine/threaded/RenderEngineThreaded.h b/libs/renderengine/threaded/RenderEngineThreaded.h
index 43ec011..1093f5f 100644
--- a/libs/renderengine/threaded/RenderEngineThreaded.h
+++ b/libs/renderengine/threaded/RenderEngineThreaded.h
@@ -89,6 +89,7 @@
     mutable std::mutex mThreadMutex;
     std::thread mThread GUARDED_BY(mThreadMutex);
     std::atomic<bool> mRunning = true;
+    std::atomic<bool> mNeedsPostRenderCleanup = false;
 
     using Work = std::function<void(renderengine::RenderEngine&)>;
     mutable std::queue<Work> mFunctionCalls GUARDED_BY(mThreadMutex);
diff --git a/vulkan/libvulkan/layers_extensions.cpp b/vulkan/libvulkan/layers_extensions.cpp
index d059f8f..c073579 100644
--- a/vulkan/libvulkan/layers_extensions.cpp
+++ b/vulkan/libvulkan/layers_extensions.cpp
@@ -74,6 +74,7 @@
           filename_(filename),
           dlhandle_(nullptr),
           native_bridge_(false),
+          opened_with_native_loader_(false),
           refcount_(0) {}
 
     LayerLibrary(LayerLibrary&& other) noexcept
@@ -81,6 +82,7 @@
           filename_(std::move(other.filename_)),
           dlhandle_(other.dlhandle_),
           native_bridge_(other.native_bridge_),
+          opened_with_native_loader_(other.opened_with_native_loader_),
           refcount_(other.refcount_) {
         other.dlhandle_ = nullptr;
         other.refcount_ = 0;
@@ -120,6 +122,7 @@
     std::mutex mutex_;
     void* dlhandle_;
     bool native_bridge_;
+    bool opened_with_native_loader_;
     size_t refcount_;
 };
 
@@ -136,7 +139,7 @@
         if (app_namespace &&
             !android::base::StartsWith(path_, kSystemLayerLibraryDir)) {
             char* error_msg = nullptr;
-            dlhandle_ = OpenNativeLibraryInNamespace(
+            dlhandle_ = android::OpenNativeLibraryInNamespace(
                 app_namespace, path_.c_str(), &native_bridge_, &error_msg);
             if (!dlhandle_) {
                 ALOGE("failed to load layer library '%s': %s", path_.c_str(), error_msg);
@@ -144,14 +147,16 @@
                 refcount_ = 0;
                 return false;
             }
+            opened_with_native_loader_ = true;
         } else {
-          dlhandle_ = dlopen(path_.c_str(), RTLD_NOW | RTLD_LOCAL);
+            dlhandle_ = dlopen(path_.c_str(), RTLD_NOW | RTLD_LOCAL);
             if (!dlhandle_) {
                 ALOGE("failed to load layer library '%s': %s", path_.c_str(),
                       dlerror());
                 refcount_ = 0;
                 return false;
             }
+            opened_with_native_loader_ = false;
         }
     }
     return true;
@@ -161,14 +166,25 @@
     std::lock_guard<std::mutex> lock(mutex_);
     if (--refcount_ == 0) {
         ALOGV("closing layer library '%s'", path_.c_str());
-        char* error_msg = nullptr;
-        if (!android::CloseNativeLibrary(dlhandle_, native_bridge_, &error_msg)) {
-            ALOGE("failed to unload library '%s': %s", path_.c_str(), error_msg);
-            android::NativeLoaderFreeErrorMessage(error_msg);
-            refcount_++;
+        // we close the .so same way as we opened. It's importain, because
+        // android::CloseNativeLibrary lives in libnativeloader.so, which is
+        // not accessible for early loaded services like SurfaceFlinger
+        if (opened_with_native_loader_) {
+            char* error_msg = nullptr;
+            if (!android::CloseNativeLibrary(dlhandle_, native_bridge_, &error_msg)) {
+                ALOGE("failed to unload library '%s': %s", path_.c_str(), error_msg);
+                android::NativeLoaderFreeErrorMessage(error_msg);
+                refcount_++;
+                return;
+            }
         } else {
-           dlhandle_ = nullptr;
+            if (dlclose(dlhandle_) != 0) {
+                ALOGE("failed to unload library '%s': %s", path_.c_str(), dlerror());
+                refcount_++;
+                return;
+            }
         }
+        dlhandle_ = nullptr;
     }
 }