diff --git a/Utilities/SSemaphore.cpp b/Utilities/SSemaphore.cpp
index 91754b764f..60c0331971 100644
--- a/Utilities/SSemaphore.cpp
+++ b/Utilities/SSemaphore.cpp
@@ -43,29 +43,22 @@ bool SSemaphore::try_wait()
 	}
 }
 
-void SSemaphore::post(u32 value)
+void SSemaphore::post()
 {
 	std::lock_guard<std::mutex> lock(m_mutex);
 
 	if (m_count >= m_max)
 	{
-		value = 0;
-	}
-	else if (value > (m_max - m_count))
-	{
-		value = m_max - m_count;
+		return;
 	}
 
-	while (value)
-	{
-		m_count++;
-		value--;
-		m_cond.notify_one();
-	}
+	m_count++;
+	m_cond.notify_one();
 }
 
 bool SSemaphore::post_and_wait()
 {
+	// TODO: ???
 	if (try_wait()) return false;
 
 	post();
diff --git a/Utilities/SSemaphore.h b/Utilities/SSemaphore.h
index af46997bbf..4c96a9c5a3 100644
--- a/Utilities/SSemaphore.h
+++ b/Utilities/SSemaphore.h
@@ -28,7 +28,7 @@ public:
 
 	bool try_wait();
 
-	void post(u32 value = 1);
+	void post();
 
 	bool post_and_wait();
 };
\ No newline at end of file
diff --git a/rpcs3/Emu/SysCalls/lv2/SC_Condition.cpp b/rpcs3/Emu/SysCalls/lv2/SC_Condition.cpp
index a5b97d88f3..f759f3f1b4 100644
--- a/rpcs3/Emu/SysCalls/lv2/SC_Condition.cpp
+++ b/rpcs3/Emu/SysCalls/lv2/SC_Condition.cpp
@@ -81,6 +81,7 @@ int sys_cond_signal(u32 cond_id)
 	{
 		cond->signal_stamp = get_system_time();
 		cond->signal.lock(target);
+		Emu.GetCPU().NotifyThread(target);
 
 		if (Emu.IsStopped())
 		{
@@ -105,15 +106,19 @@ int sys_cond_signal_all(u32 cond_id)
 
 	while (u32 target = (mutex->protocol == SYS_SYNC_PRIORITY ? cond->m_queue.pop_prio() : cond->m_queue.pop()))
 	{
+		cond->signaler = GetCurrentCPUThread()->GetId();
 		cond->signal_stamp = get_system_time();
 		cond->signal.lock(target);
+		Emu.GetCPU().NotifyThread(target);
 
 		if (Emu.IsStopped())
 		{
 			ConLog.Warning("sys_cond_signal_all(id=%d) aborted", cond_id);
+			break;
 		}
 	}
 
+	cond->signaler = 0;
 	return CELL_OK;
 }
 
@@ -143,6 +148,7 @@ int sys_cond_signal_to(u32 cond_id, u32 thread_id)
 	{
 		cond->signal_stamp = get_system_time();
 		cond->signal.lock(target);
+		Emu.GetCPU().NotifyThread(target);
 	}
 
 	if (Emu.IsStopped())
@@ -188,6 +194,7 @@ int sys_cond_wait(u32 cond_id, u64 timeout)
 	{
 		if (cond->signal.unlock(tid, tid) == SMR_OK)
 		{
+			const u64 stamp2 = get_system_time();
 			if (SMutexResult res = mutex->m_mutex.trylock(tid))
 			{
 				if (res != SMR_FAILED)
@@ -209,11 +216,12 @@ int sys_cond_wait(u32 cond_id, u64 timeout)
 			mutex->recursive = 1;
 			const volatile u64 stamp = cond->signal_stamp;
 			cond->signal.unlock(tid);
-			//ConLog.Write("sys_cond_wait(): signal latency %d", get_system_time() - stamp);
+			Emu.GetCPU().NotifyThread(cond->signaler);
+			//ConLog.Write("sys_cond_wait(): signal latency %lld (minimum %lld)", get_system_time() - stamp, stamp2 - stamp);
 			return CELL_OK;
 		}
 
-		Sleep(1);
+		SM_Sleep();
 
 		if (counter++ > max_counter)
 		{
diff --git a/rpcs3/Emu/SysCalls/lv2/SC_Condition.h b/rpcs3/Emu/SysCalls/lv2/SC_Condition.h
index 145a20868a..d4b64c12cd 100644
--- a/rpcs3/Emu/SysCalls/lv2/SC_Condition.h
+++ b/rpcs3/Emu/SysCalls/lv2/SC_Condition.h
@@ -17,12 +17,15 @@ struct Cond
 {
 	Mutex* mutex; // associated with mutex
 	SMutex signal;
+	u32 signaler; // signaler thread id (for signal_all)
 	SleepQueue m_queue;
+
 	u64 signal_stamp;
 
 	Cond(Mutex* mutex, u64 name)
 		: mutex(mutex)
 		, m_queue(name)
+		, signaler(0)
 	{
 	}
 };
\ No newline at end of file
diff --git a/rpcs3/Emu/SysCalls/lv2/SC_Mutex.cpp b/rpcs3/Emu/SysCalls/lv2/SC_Mutex.cpp
index f4cf2785ff..c176dcc8fa 100644
--- a/rpcs3/Emu/SysCalls/lv2/SC_Mutex.cpp
+++ b/rpcs3/Emu/SysCalls/lv2/SC_Mutex.cpp
@@ -93,7 +93,7 @@ int sys_mutex_destroy(u32 mutex_id)
 
 int sys_mutex_lock(u32 mutex_id, u64 timeout)
 {
-	sys_mtx.Log("sys_mutex_lock(mutex_id=%d, timeout=0x%llx)", mutex_id, timeout);
+	sys_mtx.Log("sys_mutex_lock(mutex_id=%d, timeout=%lld)", mutex_id, timeout);
 
 	Mutex* mutex;
 	if (!Emu.GetIdManager().GetIDData(mutex_id, mutex))
diff --git a/rpcs3/Emu/SysCalls/lv2/SC_RSX.cpp b/rpcs3/Emu/SysCalls/lv2/SC_RSX.cpp
index 3020518815..1fce0dc7d0 100644
--- a/rpcs3/Emu/SysCalls/lv2/SC_RSX.cpp
+++ b/rpcs3/Emu/SysCalls/lv2/SC_RSX.cpp
@@ -8,72 +8,72 @@ SysCallBase sys_rsx("sys_rsx");
 
 int sys_rsx_device_open()
 {
-	sys_rsx.Warning("Unimplemented function: sys_rsx_device_open()");
+	sys_rsx.Error("TODO: sys_rsx_device_open()");
 	return CELL_OK;
 }
 
 int sys_rsx_device_close()
 {
-	sys_rsx.Warning("Unimplemented function: sys_rsx_device_close()");
+	sys_rsx.Error("TODO: sys_rsx_device_close()");
 	return CELL_OK;
 }
 
 int sys_rsx_memory_allocate()
 {
-	sys_rsx.Warning("Unimplemented function: sys_rsx_memory_allocate()");
+	sys_rsx.Error("TODO: sys_rsx_memory_allocate()");
 	return CELL_OK;
 }
 
 int sys_rsx_memory_free()
 {
-	sys_rsx.Warning("Unimplemented function: sys_rsx_memory_free()");
+	sys_rsx.Error("TODO: sys_rsx_memory_free()");
 	return CELL_OK;
 }
 
 int sys_rsx_context_allocate()
 {
-	sys_rsx.Warning("Unimplemented function: sys_rsx_context_allocate()");
+	sys_rsx.Error("TODO: sys_rsx_context_allocate()");
 	return CELL_OK;
 }
 
 int sys_rsx_context_free()
 {
-	sys_rsx.Warning("Unimplemented function: sys_rsx_context_free()");
+	sys_rsx.Error("TODO: sys_rsx_context_free()");
 	return CELL_OK;
 }
 
 int sys_rsx_context_iomap()
 {
-	sys_rsx.Warning("Unimplemented function: sys_rsx_context_iomap()");
+	sys_rsx.Error("TODO: sys_rsx_context_iomap()");
 	return CELL_OK;
 }
 
 int sys_rsx_context_iounmap()
 {
-	sys_rsx.Warning("Unimplemented function: sys_rsx_context_iounmap()");
+	sys_rsx.Error("TODO: sys_rsx_context_iounmap()");
 	return CELL_OK;
 }
 
 int sys_rsx_context_attribute(s32 context_id, u64 a2, u64 a3, u64 a4, u64 a5, u64 a6)
 {
-	sys_rsx.Warning("Unimplemented function: sys_rsx_context_attribute(context_id=%d, a2=%llu, a3=%llu, a4=%llu, a5=%llu, a6=%llu)", context_id, a2, a3, a4, a5, a6);
+	sys_rsx.Error("TODO: sys_rsx_context_attribute(context_id=%d, a2=%llu, a3=%llu, a4=%llu, a5=%llu, a6=%llu)", context_id, a2, a3, a4, a5, a6);
 	return CELL_OK;
 }
 
 int sys_rsx_device_map(mem32_t a1, mem32_t a2, u32 a3)
 {
-	sys_rsx.Warning("Unimplemented function: sys_rsx_device_map(a1_addr=0x%x, a2_addr=0x%x, a3=%d)", a1.GetAddr(), a2.GetAddr(), a3);
+	sys_rsx.Error("TODO: sys_rsx_device_map(a1_addr=0x%x, a2_addr=0x%x, a3=%d)", a1.GetAddr(), a2.GetAddr(), a3);
 	return CELL_OK;
 }
 
 int sys_rsx_device_unmap()
 {
-	sys_rsx.Warning("Unimplemented function: sys_rsx_device_unmap()");
+	sys_rsx.Error("TODO: sys_rsx_device_unmap()");
 	return CELL_OK;
 }
 
 int sys_rsx_attribute()
 {
-	sys_rsx.Warning("Unimplemented function: sys_rsx_attribute()");
+	sys_rsx.Error("TODO: sys_rsx_attribute()");
 	return CELL_OK;
 }