diff --git a/rpcs3/Emu/Cell/PPUThread.cpp b/rpcs3/Emu/Cell/PPUThread.cpp
index 702c470266..2d3f26b559 100644
--- a/rpcs3/Emu/Cell/PPUThread.cpp
+++ b/rpcs3/Emu/Cell/PPUThread.cpp
@@ -1378,10 +1378,14 @@ const auto ppu_stcx_accurate_tx = build_function_asm<u32(*)(u32 raddr, u64 rtime
 
 	// Begin transaction
 	Label tx0 = build_transaction_enter(c, fall, x86::r12d, 4);
+	c.bt(x86::dword_ptr(args[2], ::offset32(&spu_thread::state) - ::offset32(&ppu_thread::rdata)), static_cast<u32>(cpu_flag::pause));
+	c.mov(x86::eax, _XABORT_EXPLICIT);
+	c.jc(fall);
 	c.xbegin(tx0);
 	c.mov(x86::rax, x86::qword_ptr(x86::rbx));
-	c.test(x86::eax, 127);
+	c.test(x86::eax, vm::rsrv_unique_lock);
 	c.jnz(skip);
+	c.and_(x86::rax, -128);
 	c.cmp(x86::rax, x86::r13);
 	c.jne(fail);
 
@@ -1479,7 +1483,7 @@ const auto ppu_stcx_accurate_tx = build_function_asm<u32(*)(u32 raddr, u64 rtime
 	c.mov(x86::eax, 1);
 	c.lock().xadd(x86::qword_ptr(x86::rbx), x86::rax);
 	c.test(x86::eax, vm::rsrv_unique_lock);
-	c.jnz(fall2);
+	c.jnz(fail2);
 
 	// Allow only first shared lock to proceed
 	c.cmp(x86::rax, x86::r13);
@@ -1493,6 +1497,8 @@ const auto ppu_stcx_accurate_tx = build_function_asm<u32(*)(u32 raddr, u64 rtime
 	c.bt(x86::dword_ptr(args[2], ::offset32(&ppu_thread::state) - ::offset32(&ppu_thread::rdata)), static_cast<u32>(cpu_flag::pause));
 	c.jc(fall2);
 	c.mov(x86::rax, x86::qword_ptr(x86::rbx));
+	c.test(x86::rax, 127 - 1);
+	c.jnz(fall2);
 	c.and_(x86::rax, -128);
 	c.cmp(x86::rax, x86::r13);
 	c.jne(fail2);
@@ -1681,7 +1687,7 @@ static bool ppu_store_reservation(ppu_thread& ppu, u32 addr, u64 reg_value)
 				}
 				}
 
-				return cpu_thread::suspend_all(&ppu, [&]
+				return cpu_thread::suspend_all<+1>(&ppu, [&]
 				{
 					if ((res & -128) == rtime && cmp_rdata(ppu.rdata, vm::_ref<spu_rdata_t>(addr & -128)))
 					{
diff --git a/rpcs3/Emu/Cell/SPUThread.cpp b/rpcs3/Emu/Cell/SPUThread.cpp
index 35d702a860..079aa45395 100644
--- a/rpcs3/Emu/Cell/SPUThread.cpp
+++ b/rpcs3/Emu/Cell/SPUThread.cpp
@@ -398,10 +398,14 @@ const auto spu_putllc_tx = build_function_asm<u32(*)(u32 raddr, u64 rtime, void*
 
 	// Begin transaction
 	Label tx0 = build_transaction_enter(c, fall, x86::r12d, 4);
+	c.bt(x86::dword_ptr(args[2], ::offset32(&spu_thread::state) - ::offset32(&spu_thread::rdata)), static_cast<u32>(cpu_flag::pause));
+	c.mov(x86::eax, _XABORT_EXPLICIT);
+	c.jc(fall);
 	c.xbegin(tx0);
 	c.mov(x86::rax, x86::qword_ptr(x86::rbx));
-	c.test(x86::eax, 127);
+	c.test(x86::eax, vm::rsrv_unique_lock);
 	c.jnz(skip);
+	c.and_(x86::rax, -128);
 	c.cmp(x86::rax, x86::r13);
 	c.jne(fail);
 
@@ -514,7 +518,7 @@ const auto spu_putllc_tx = build_function_asm<u32(*)(u32 raddr, u64 rtime, void*
 	c.mov(x86::eax, 1);
 	c.lock().xadd(x86::qword_ptr(x86::rbx), x86::rax);
 	c.test(x86::eax, vm::rsrv_unique_lock);
-	c.jnz(fail3);
+	c.jnz(fail2);
 
 	// Allow only first shared lock to proceed
 	c.cmp(x86::rax, x86::r13);
@@ -528,6 +532,8 @@ const auto spu_putllc_tx = build_function_asm<u32(*)(u32 raddr, u64 rtime, void*
 	c.bt(x86::dword_ptr(args[2], ::offset32(&spu_thread::state) - ::offset32(&spu_thread::rdata)), static_cast<u32>(cpu_flag::pause));
 	c.jc(fall2);
 	c.mov(x86::rax, x86::qword_ptr(x86::rbx));
+	c.test(x86::rax, 127 - 1);
+	c.jnz(fall2);
 	c.and_(x86::rax, -128);
 	c.cmp(x86::rax, x86::r13);
 	c.jne(fail2);
@@ -784,6 +790,9 @@ const auto spu_putlluc_tx = build_function_asm<u32(*)(u32 raddr, const void* rda
 	// Check pause flag
 	c.bt(x86::dword_ptr(args[2], ::offset32(&cpu_thread::state)), static_cast<u32>(cpu_flag::pause));
 	c.jc(fall2);
+	// Check contention
+	c.test(x86::qword_ptr(x86::rbx), 127 - 1);
+	c.jc(fall2);
 	c.xbegin(tx1);
 
 	if (s_tsx_avx)
@@ -2283,7 +2292,7 @@ bool spu_thread::do_putllc(const spu_mfc_cmd& args)
 			{
 			case UINT32_MAX:
 			{
-				const bool ok = cpu_thread::suspend_all(this, [&]()
+				const bool ok = cpu_thread::suspend_all<+1>(this, [&]()
 				{
 					if ((res & -128) == rtime)
 					{
@@ -2397,7 +2406,7 @@ void do_cell_atomic_128_store(u32 addr, const void* to_write)
 		if (result == 0)
 		{
 			// Execute with increased priority
-			cpu_thread::suspend_all<+1>(cpu, [&]
+			cpu_thread::suspend_all<0>(cpu, [&]
 			{
 				mov_rdata(vm::_ref<spu_rdata_t>(addr), *static_cast<const spu_rdata_t*>(to_write));
 				vm::reservation_acquire(addr, 128) += 127;