diff --git a/cmds/servicemanager/ServiceManager.cpp b/cmds/servicemanager/ServiceManager.cpp
index cbbea12..1f9892a 100644
--- a/cmds/servicemanager/ServiceManager.cpp
+++ b/cmds/servicemanager/ServiceManager.cpp
@@ -49,14 +49,28 @@
     const std::string iface = name.substr(lastDot+1, firstSlash-lastDot-1);
     const std::string instance = name.substr(firstSlash+1);
 
-    for (const auto& manifest : {
-            vintf::VintfObject::GetDeviceHalManifest(),
-            vintf::VintfObject::GetFrameworkHalManifest()
+    struct ManifestWithDescription {
+        std::shared_ptr<const vintf::HalManifest> manifest;
+        const char* description;
+    };
+    for (const ManifestWithDescription& mwd : {
+            ManifestWithDescription{ vintf::VintfObject::GetDeviceHalManifest(), "device" },
+            ManifestWithDescription{ vintf::VintfObject::GetFrameworkHalManifest(), "framework" },
         }) {
-        if (manifest != nullptr && manifest->hasAidlInstance(package, iface, instance)) {
+        if (mwd.manifest == nullptr) {
+          LOG(ERROR) << "NULL VINTF MANIFEST!: " << mwd.description;
+          // note, we explicitly do not retry here, so that we can detect VINTF
+          // or other bugs (b/151696835)
+          continue;
+        }
+        if (mwd.manifest->hasAidlInstance(package, iface, instance)) {
+            LOG(INFO) << "Found " << name << " in " << mwd.description << " VINTF manifest.";
             return true;
         }
     }
+
+    // Although it is tested, explicitly rebuilding qualified name, in case it
+    // becomes something unexpected.
     LOG(ERROR) << "Could not find " << package << "." << iface << "/" << instance
                << " in the VINTF manifest.";
     return false;
@@ -72,13 +86,20 @@
 #endif  // !VENDORSERVICEMANAGER
 
 ServiceManager::ServiceManager(std::unique_ptr<Access>&& access) : mAccess(std::move(access)) {
-#ifndef VENDORSERVICEMANAGER
-    // can process these at any times, don't want to delay first VINTF client
-    std::thread([] {
-        vintf::VintfObject::GetDeviceHalManifest();
-        vintf::VintfObject::GetFrameworkHalManifest();
-    }).detach();
-#endif  // !VENDORSERVICEMANAGER
+// TODO(b/151696835): reenable performance hack when we solve bug, since with
+//     this hack and other fixes, it is unlikely we will see even an ephemeral
+//     failure when the manifest parse fails. The goal is that the manifest will
+//     be read incorrectly and cause the process trying to register a HAL to
+//     fail. If this is in fact an early boot kernel contention issue, then we
+//     will get no failure, and by its absence, be signalled to invest more
+//     effort in re-adding this performance hack.
+// #ifndef VENDORSERVICEMANAGER
+//     // can process these at any times, don't want to delay first VINTF client
+//     std::thread([] {
+//         vintf::VintfObject::GetDeviceHalManifest();
+//         vintf::VintfObject::GetFrameworkHalManifest();
+//     }).detach();
+// #endif  // !VENDORSERVICEMANAGER
 }
 ServiceManager::~ServiceManager() {
     // this should only happen in tests
@@ -547,4 +568,4 @@
     return Status::ok();
 }
 
-}  // namespace android
\ No newline at end of file
+}  // namespace android
diff --git a/libs/renderengine/gl/filters/BlurFilter.cpp b/libs/renderengine/gl/filters/BlurFilter.cpp
index db55d17..19f18c0 100644
--- a/libs/renderengine/gl/filters/BlurFilter.cpp
+++ b/libs/renderengine/gl/filters/BlurFilter.cpp
@@ -68,6 +68,8 @@
 status_t BlurFilter::setAsDrawTarget(const DisplaySettings& display, uint32_t radius) {
     ATRACE_NAME("BlurFilter::setAsDrawTarget");
     mRadius = radius;
+    mDisplayX = display.physicalDisplay.left;
+    mDisplayY = display.physicalDisplay.top;
 
     if (mDisplayWidth < display.physicalDisplay.width() ||
         mDisplayHeight < display.physicalDisplay.height()) {
@@ -182,8 +184,8 @@
     if (mix >= 1 || multiPass) {
         mLastDrawTarget->bindAsReadBuffer();
         glBlitFramebuffer(0, 0, mLastDrawTarget->getBufferWidth(),
-                          mLastDrawTarget->getBufferHeight(), 0, 0, mDisplayWidth, mDisplayHeight,
-                          GL_COLOR_BUFFER_BIT, GL_LINEAR);
+                          mLastDrawTarget->getBufferHeight(), mDisplayX, mDisplayY, mDisplayWidth,
+                          mDisplayHeight, GL_COLOR_BUFFER_BIT, GL_LINEAR);
         return NO_ERROR;
     }
 
diff --git a/libs/renderengine/gl/filters/BlurFilter.h b/libs/renderengine/gl/filters/BlurFilter.h
index 9d3fc60..593a8fd 100644
--- a/libs/renderengine/gl/filters/BlurFilter.h
+++ b/libs/renderengine/gl/filters/BlurFilter.h
@@ -68,6 +68,8 @@
     GLFramebuffer mPongFbo;
     uint32_t mDisplayWidth = 0;
     uint32_t mDisplayHeight = 0;
+    uint32_t mDisplayX = 0;
+    uint32_t mDisplayY = 0;
     // Buffer holding the final blur pass.
     GLFramebuffer* mLastDrawTarget;