diff --git a/Utilities/Log.cpp b/Utilities/Log.cpp
index 180f77bff3..7f6b68fcb4 100644
--- a/Utilities/Log.cpp
+++ b/Utilities/Log.cpp
@@ -194,7 +194,7 @@ void LogManager::log(LogMessage msg)
 		}
 		if (NamedThreadBase* thr = GetCurrentNamedThread())
 		{
-			prefix += thr->GetThreadName();
+			prefix += "{" + thr->GetThreadName() + "} ";
 		}
 		msg.mText.insert(0, prefix);
 		msg.mText.append(1,'\n');
diff --git a/rpcs3/Emu/Memory/DynamicMemoryBlockBase.h b/rpcs3/Emu/Memory/DynamicMemoryBlockBase.h
index fb45886bbf..6bc225daca 100644
--- a/rpcs3/Emu/Memory/DynamicMemoryBlockBase.h
+++ b/rpcs3/Emu/Memory/DynamicMemoryBlockBase.h
@@ -161,6 +161,8 @@ u64 DynamicMemoryBlockBase<PT>::AllocAlign(u32 size, u32 align)
 			addr = (addr + (align - 1)) & ~(align - 1);
 		}
 
+		//LOG_NOTICE(MEMORY, "AllocAlign(size=0x%x) -> 0x%llx", size, addr);
+
 		AppendMem(addr, size);
 
 		return addr;
@@ -202,6 +204,8 @@ bool DynamicMemoryBlockBase<PT>::Free(u64 addr)
 				m_pages[i] = nullptr;
 			}
 
+			//LOG_NOTICE(MEMORY, "Free(0x%llx)", addr);
+
 			m_allocated.erase(m_allocated.begin() + num);
 			return true;
 		}
diff --git a/rpcs3/Emu/Memory/Memory.h b/rpcs3/Emu/Memory/Memory.h
index 4eea68c630..c363528f3f 100644
--- a/rpcs3/Emu/Memory/Memory.h
+++ b/rpcs3/Emu/Memory/Memory.h
@@ -78,18 +78,32 @@ public:
 
 	void RegisterPages(u64 addr, u32 size)
 	{
+		std::lock_guard<std::mutex> lock(m_mutex);
+
+		//LOG_NOTICE(MEMORY, "RegisterPages(addr=0x%llx, size=0x%x)", addr, size);
 		for (u32 i = addr / 4096; i < (addr + size) / 4096; i++)
 		{
 			if (i >= sizeof(m_pages) / sizeof(m_pages[0])) break;
+			if (m_pages[i])
+			{
+				LOG_ERROR(MEMORY, "Page already registered (page=0x%x)", i * 4096);
+			}
 			m_pages[i] = 1; // TODO: define page parameters
 		}
 	}
 
 	void UnregisterPages(u64 addr, u32 size)
 	{
+		std::lock_guard<std::mutex> lock(m_mutex);
+
+		//LOG_NOTICE(MEMORY, "UnregisterPages(addr=0x%llx, size=0x%x)", addr, size);
 		for (u32 i = addr / 4096; i < (addr + size) / 4096; i++)
 		{
 			if (i >= sizeof(m_pages) / sizeof(m_pages[0])) break;
+			if (!m_pages[i])
+			{
+				LOG_ERROR(MEMORY, "Page not registered (page=0x%x)", i * 4096);
+			}
 			m_pages[i] = 0; // TODO: define page parameters
 		}
 	}
@@ -173,8 +187,6 @@ public:
 
 	void Init(MemoryType type)
 	{
-		std::lock_guard<std::mutex> lock(m_mutex);
-
 		if(m_inited) return;
 		m_inited = true;
 
@@ -257,8 +269,6 @@ public:
 
 	void Close()
 	{
-		std::lock_guard<std::mutex> lock(m_mutex);
-
 		if(!m_inited) return;
 		m_inited = false;
 
diff --git a/rpcs3/Emu/Memory/MemoryBlock.h b/rpcs3/Emu/Memory/MemoryBlock.h
index d58f5d7f17..caac4efc56 100644
--- a/rpcs3/Emu/Memory/MemoryBlock.h
+++ b/rpcs3/Emu/Memory/MemoryBlock.h
@@ -27,15 +27,21 @@ struct MemBlockInfo : public MemInfo
 	void Free();
 
 	MemBlockInfo(MemBlockInfo &other) = delete;
-	MemBlockInfo(MemBlockInfo &&other) : MemInfo(other.addr,other.size) ,mem(other.mem)
+
+	MemBlockInfo(MemBlockInfo &&other)
+		: MemInfo(other.addr,other.size)
+		, mem(other.mem)
 	{
 		other.mem = nullptr;
 	}
+
 	MemBlockInfo& operator =(MemBlockInfo &other) = delete;
-	MemBlockInfo& operator =(MemBlockInfo &&other){
+
+	MemBlockInfo& operator =(MemBlockInfo &&other)
+	{
+		this->Free();
 		this->addr = other.addr;
 		this->size = other.size;
-		this->Free();
 		this->mem = other.mem;
 		other.mem = nullptr;
 		return *this;
diff --git a/rpcs3/Emu/SysCalls/lv2/lv2Fs.cpp b/rpcs3/Emu/SysCalls/lv2/lv2Fs.cpp
index 8546d26345..ed40ca711e 100644
--- a/rpcs3/Emu/SysCalls/lv2/lv2Fs.cpp
+++ b/rpcs3/Emu/SysCalls/lv2/lv2Fs.cpp
@@ -144,7 +144,11 @@ s32 cellFsRead(u32 fd, u32 buf_addr, u64 nbytes, mem64_t nread)
 	vfsStream* file;
 	if(!sys_fs->CheckId(fd, file)) return CELL_ESRCH;
 
-	if (nread.GetAddr() && !nread.IsGood()) return CELL_EFAULT;
+	if (nread.GetAddr() && !nread.IsGood())
+	{
+		sys_fs->Error("cellFsRead(): bad nread_addr(0x%x)", nread.GetAddr());
+		return CELL_EFAULT;
+	}
 
 	if (nbytes != (u32)nbytes) return CELL_ENOMEM;
 
diff --git a/rpcs3/Emu/System.cpp b/rpcs3/Emu/System.cpp
index 54254c4f62..b44a4000a4 100644
--- a/rpcs3/Emu/System.cpp
+++ b/rpcs3/Emu/System.cpp
@@ -201,6 +201,10 @@ void Emulator::Load()
 			switch(l.GetMachine())
 			{
 			case MACHINE_SPU:
+				Memory.Init(Memory_PS3);
+				Memory.MainMem.AllocFixed(Memory.MainMem.GetStartAddr(), 0x40000);
+			break;
+
 			case MACHINE_PPC64:
 				Memory.Init(Memory_PS3);
 			break;
@@ -263,7 +267,6 @@ void Emulator::Load()
 		LOG_NOTICE(LOADER, "offset = 0x%llx", Memory.MainMem.GetStartAddr());
 		LOG_NOTICE(LOADER, "max addr = 0x%x", l.GetMaxAddr());
 		thread.SetOffset(Memory.MainMem.GetStartAddr());
-		Memory.MainMem.AllocFixed(Memory.MainMem.GetStartAddr() + l.GetMaxAddr(), 0xFFFFED - l.GetMaxAddr());
 		thread.SetEntry(l.GetEntry() - Memory.MainMem.GetStartAddr());
 	break;
 
diff --git a/rpcs3/Loader/ELF32.cpp b/rpcs3/Loader/ELF32.cpp
index 5765974566..4e736e34e2 100644
--- a/rpcs3/Loader/ELF32.cpp
+++ b/rpcs3/Loader/ELF32.cpp
@@ -236,7 +236,7 @@ bool ELF32Loader::LoadPhdrData(u64 _offset)
 
 			switch(machine)
 			{
-			case MACHINE_SPU: Memory.MainMem.AllocFixed(phdr_arr[i].p_vaddr + offset, phdr_arr[i].p_memsz); break;
+			case MACHINE_SPU: break;
 			case MACHINE_MIPS: Memory.PSPMemory.RAM.AllocFixed(phdr_arr[i].p_vaddr + offset, phdr_arr[i].p_memsz); break;
 			case MACHINE_ARM: Memory.PSVMemory.RAM.AllocFixed(phdr_arr[i].p_vaddr + offset, phdr_arr[i].p_memsz); break;