diff --git a/Core/HLE/sceKernelEventFlag.cpp b/Core/HLE/sceKernelEventFlag.cpp
index f1a81ea92b..a281879d9a 100644
--- a/Core/HLE/sceKernelEventFlag.cpp
+++ b/Core/HLE/sceKernelEventFlag.cpp
@@ -324,7 +324,11 @@ int sceKernelCreateEventFlag(const char *name, u32 flag_attr, u32 flag_initPatte
 	DEBUG_LOG(HLE, "%i=sceKernelCreateEventFlag(\"%s\", %08x, %08x, %08x)", id, e->nef.name, e->nef.attr, e->nef.currentPattern, optPtr);
 
 	if (optPtr != 0)
-		WARN_LOG_REPORT(HLE, "sceKernelCreateEventFlag(%s) unsupported options parameter: %08x", name, optPtr);
+	{
+		u32 size = Memory::Read_U32(optPtr);
+		if (size > 4)
+			WARN_LOG_REPORT(HLE, "sceKernelCreateEventFlag(%s) unsupported options parameter, size = %d", name, size);
+	}
 	if ((flag_attr & ~PSP_EVENT_WAITMULTIPLE) != 0)
 		WARN_LOG_REPORT(HLE, "sceKernelCreateEventFlag(%s) unsupported attr parameter: %08x", name, flag_attr);
 
diff --git a/Core/HLE/sceKernelMbx.cpp b/Core/HLE/sceKernelMbx.cpp
index 6321420931..86bc38fe7c 100644
--- a/Core/HLE/sceKernelMbx.cpp
+++ b/Core/HLE/sceKernelMbx.cpp
@@ -316,7 +316,11 @@ SceUID sceKernelCreateMbx(const char *name, u32 attr, u32 optAddr)
 	DEBUG_LOG(HLE, "%i=sceKernelCreateMbx(%s, %08x, %08x)", id, name, attr, optAddr);
 
 	if (optAddr != 0)
-		WARN_LOG_REPORT(HLE, "sceKernelCreateMbx(%s) unsupported options parameter: %08x", name, optAddr);
+	{
+		u32 size = Memory::Read_U32(optAddr);
+		if (size > 4)
+			WARN_LOG_REPORT(HLE, "sceKernelCreateMbx(%s) unsupported options parameter, size = %d", name, size);
+	}
 	if ((attr & ~SCE_KERNEL_MBA_ATTR_KNOWN) != 0)
 		WARN_LOG_REPORT(HLE, "sceKernelCreateMbx(%s) unsupported attr parameter: %08x", name, attr);
 
diff --git a/Core/HLE/sceKernelMemory.cpp b/Core/HLE/sceKernelMemory.cpp
index c7683f1a21..b983e14c3f 100644
--- a/Core/HLE/sceKernelMemory.cpp
+++ b/Core/HLE/sceKernelMemory.cpp
@@ -1700,9 +1700,13 @@ SceUID sceKernelCreateTls(const char *name, u32 partition, u32 attr, u32 blockSi
 
 	// TODO: just alignment?
 	if (optionsPtr != 0)
-		WARN_LOG(HLE, "sceKernelCreateTls(%s) unsupported options parameter: %08x", name, optionsPtr);
+	{
+		u32 size = Memory::Read_U32(optionsPtr);
+		if (size > 4)
+			WARN_LOG_REPORT(HLE, "sceKernelCreateTls(%s) unsupported options parameter, size = %d", name, size);
+	}
 	if ((attr & PSP_TLS_ATTR_PRIORITY) != 0)
-		WARN_LOG(HLE, "sceKernelCreateTls(%s) unsupported attr parameter: %08x", name, attr);
+		WARN_LOG_REPORT(HLE, "sceKernelCreateTls(%s) unsupported attr parameter: %08x", name, attr);
 
 	return id;
 }
diff --git a/Core/HLE/sceKernelMsgPipe.cpp b/Core/HLE/sceKernelMsgPipe.cpp
index 7915e94502..f9dabf406a 100644
--- a/Core/HLE/sceKernelMsgPipe.cpp
+++ b/Core/HLE/sceKernelMsgPipe.cpp
@@ -399,7 +399,11 @@ int sceKernelCreateMsgPipe(const char *name, int partition, u32 attr, u32 size,
 	DEBUG_LOG(HLE, "%d=sceKernelCreateMsgPipe(%s, part=%d, attr=%08x, size=%d, opt=%08x)", id, name, partition, attr, size, optionsPtr);
 
 	if (optionsPtr != 0)
-		WARN_LOG_REPORT(HLE, "sceKernelCreateMsgPipe(%s) unsupported options parameter: %08x", name, optionsPtr);
+	{
+		u32 size = Memory::Read_U32(optionsPtr);
+		if (size > 4)
+			WARN_LOG_REPORT(HLE, "sceKernelCreateMsgPipe(%s) unsupported options parameter, size = %d", name, size);
+	}
 
 	return id;
 }