diff --git a/libs/binder/ndk/ibinder.cpp b/libs/binder/ndk/ibinder.cpp
index 28e3ff4..b21a7e9 100644
--- a/libs/binder/ndk/ibinder.cpp
+++ b/libs/binder/ndk/ibinder.cpp
@@ -36,6 +36,7 @@
 using ::android::Parcel;
 using ::android::sp;
 using ::android::status_t;
+using ::android::statusToString;
 using ::android::String16;
 using ::android::String8;
 using ::android::wp;
@@ -133,7 +134,8 @@
         } else {
             // b/155793159
             LOG(ERROR) << __func__ << ": Cannot associate class '" << newDescriptor
-                       << "' to dead binder.";
+                       << "' to dead binder with cached descriptor '" << SanitizeString(descriptor)
+                       << "'.";
         }
         return false;
     }
@@ -458,7 +460,8 @@
             status_t status = binder->unlinkToDeath(recipient, cookie, 0 /*flags*/);
             if (status != ::android::OK) {
                 LOG(ERROR) << __func__
-                           << ": removed reference to death recipient but unlink failed.";
+                           << ": removed reference to death recipient but unlink failed: "
+                           << statusToString(status);
             }
             return PruneStatusT(status);
         }
@@ -539,7 +542,8 @@
 binder_status_t AIBinder_linkToDeath(AIBinder* binder, AIBinder_DeathRecipient* recipient,
                                      void* cookie) {
     if (binder == nullptr || recipient == nullptr) {
-        LOG(ERROR) << __func__ << ": Must provide binder and recipient.";
+        LOG(ERROR) << __func__ << ": Must provide binder (" << binder << ") and recipient ("
+                   << recipient << ")";
         return STATUS_UNEXPECTED_NULL;
     }
 
@@ -550,7 +554,8 @@
 binder_status_t AIBinder_unlinkToDeath(AIBinder* binder, AIBinder_DeathRecipient* recipient,
                                        void* cookie) {
     if (binder == nullptr || recipient == nullptr) {
-        LOG(ERROR) << __func__ << ": Must provide binder and recipient.";
+        LOG(ERROR) << __func__ << ": Must provide binder (" << binder << ") and recipient ("
+                   << recipient << ")";
         return STATUS_UNEXPECTED_NULL;
     }
 
@@ -625,7 +630,8 @@
 
 binder_status_t AIBinder_prepareTransaction(AIBinder* binder, AParcel** in) {
     if (binder == nullptr || in == nullptr) {
-        LOG(ERROR) << __func__ << ": requires non-null parameters.";
+        LOG(ERROR) << __func__ << ": requires non-null parameters binder (" << binder
+                   << ") and in (" << in << ").";
         return STATUS_UNEXPECTED_NULL;
     }
     const AIBinder_Class* clazz = binder->getClass();
@@ -671,7 +677,9 @@
     AutoParcelDestroyer forIn(in, DestroyParcel);
 
     if (!isUserCommand(code)) {
-        LOG(ERROR) << __func__ << ": Only user-defined transactions can be made from the NDK.";
+        LOG(ERROR) << __func__
+                   << ": Only user-defined transactions can be made from the NDK, but requested: "
+                   << code;
         return STATUS_UNKNOWN_TRANSACTION;
     }
 
@@ -682,7 +690,8 @@
     }
 
     if (binder == nullptr || *in == nullptr || out == nullptr) {
-        LOG(ERROR) << __func__ << ": requires non-null parameters.";
+        LOG(ERROR) << __func__ << ": requires non-null parameters binder (" << binder << "), in ("
+                   << in << "), and out (" << out << ").";
         return STATUS_UNEXPECTED_NULL;
     }