diff --git a/services/surfaceflinger/FrontEnd/LayerCreationArgs.cpp b/services/surfaceflinger/FrontEnd/LayerCreationArgs.cpp
index ce21233..6af352c 100644
--- a/services/surfaceflinger/FrontEnd/LayerCreationArgs.cpp
+++ b/services/surfaceflinger/FrontEnd/LayerCreationArgs.cpp
@@ -74,4 +74,23 @@
     return LayerCreationArgs(other.flinger, other.client, other.name, other.flags, other.metadata);
 }
 
+std::string LayerCreationArgs::getDebugString() const {
+    std::stringstream stream;
+    stream << "LayerCreationArgs{" << name << "[" << sequence << "] flags=" << flags
+           << " pid=" << ownerPid << " uid=" << ownerUid;
+    if (addToRoot) {
+        stream << " addToRoot=" << addToRoot;
+    }
+    if (parentId != UNASSIGNED_LAYER_ID) {
+        stream << " parentId=" << parentId;
+    }
+    if (layerIdToMirror != UNASSIGNED_LAYER_ID) {
+        stream << " layerIdToMirror=" << layerIdToMirror;
+    }
+    if (layerStackToMirror != ui::INVALID_LAYER_STACK) {
+        stream << " layerStackToMirror=" << layerStackToMirror.id;
+    }
+    return stream.str();
+}
+
 } // namespace android::surfaceflinger
diff --git a/services/surfaceflinger/FrontEnd/LayerCreationArgs.h b/services/surfaceflinger/FrontEnd/LayerCreationArgs.h
index 011250c..3a0fc6d 100644
--- a/services/surfaceflinger/FrontEnd/LayerCreationArgs.h
+++ b/services/surfaceflinger/FrontEnd/LayerCreationArgs.h
@@ -44,6 +44,7 @@
                       bool internalLayer = false);
     LayerCreationArgs(std::optional<uint32_t> id, bool internalLayer = false);
     LayerCreationArgs() = default; // for tracing
+    std::string getDebugString() const;
 
     android::SurfaceFlinger* flinger;
     sp<android::Client> client;
diff --git a/services/surfaceflinger/FrontEnd/LayerLifecycleManager.cpp b/services/surfaceflinger/FrontEnd/LayerLifecycleManager.cpp
index 3706225..33d9dbe 100644
--- a/services/surfaceflinger/FrontEnd/LayerLifecycleManager.cpp
+++ b/services/surfaceflinger/FrontEnd/LayerLifecycleManager.cpp
@@ -164,7 +164,8 @@
     }
 }
 
-void LayerLifecycleManager::applyTransactions(const std::vector<TransactionState>& transactions) {
+void LayerLifecycleManager::applyTransactions(const std::vector<TransactionState>& transactions,
+                                              bool ignoreUnknownLayers) {
     for (const auto& transaction : transactions) {
         for (const auto& resolvedComposerState : transaction.states) {
             const auto& clientState = resolvedComposerState.state;
@@ -176,7 +177,8 @@
 
             RequestedLayerState* layer = getLayerFromId(layerId);
             if (layer == nullptr) {
-                LOG_ALWAYS_FATAL("%s Layer with layerid=%d not found", __func__, layerId);
+                LOG_ALWAYS_FATAL_IF(!ignoreUnknownLayers, "%s Layer with layerid=%d not found",
+                                    __func__, layerId);
                 continue;
             }
 
diff --git a/services/surfaceflinger/FrontEnd/LayerLifecycleManager.h b/services/surfaceflinger/FrontEnd/LayerLifecycleManager.h
index 3d9a74c..f258678 100644
--- a/services/surfaceflinger/FrontEnd/LayerLifecycleManager.h
+++ b/services/surfaceflinger/FrontEnd/LayerLifecycleManager.h
@@ -39,7 +39,11 @@
 public:
     // External state changes should be updated in the following order:
     void addLayers(std::vector<std::unique_ptr<RequestedLayerState>>);
-    void applyTransactions(const std::vector<TransactionState>&);
+    // Ignore unknown layers when interoping with legacy front end. In legacy we destroy
+    // the layers it is unreachable. When using the LayerLifecycleManager for layer trace
+    // generation we may encounter layers which are known because we don't have an explicit
+    // lifecycle. Ignore these errors while we have to interop with legacy.
+    void applyTransactions(const std::vector<TransactionState>&, bool ignoreUnknownLayers = false);
     // Ignore unknown handles when iteroping with legacy front end. In the old world, we
     // would create child layers which are not necessary with the new front end. This means
     // we will get notified for handle changes that don't exist in the new front end.