3 files changed, 33 insertions, 19 deletions

diff --git a/indra/newview/llavatariconctrl.cpp b/indra/newview/llavatariconctrl.cpp
index 42e7decec1..b539ac38ed 100644..100755
--- a/indra/newview/llavatariconctrl.cpp
+++ b/indra/newview/llavatariconctrl.cpp
@@ -75,6 +75,9 @@ void LLAvatarIconIDCache::load	()
 		LLUUID icon_id;
 		LLDate date;
 
+		if (line.length()<=uuid_len*2)
+			continue; // short line, bail out to prevent substr calls throwing exception.
+
 		std::string avatar_id_str = line.substr(0,uuid_len);
 		std::string icon_id_str = line.substr(uuid_len,uuid_len);
 		
diff --git a/indra/newview/llfasttimerview.cpp b/indra/newview/llfasttimerview.cpp
index 065dc5f4be..233038daba 100644
--- a/indra/newview/llfasttimerview.cpp
+++ b/indra/newview/llfasttimerview.cpp
@@ -105,6 +105,7 @@ void LLFastTimerView::onPause()
 	if (!LLFastTimer::sPauseHistory)
 	{
 		mScrollIndex = 0;
+		LLFastTimer::sResetHistory = true;
 		getChild<LLButton>("pause_btn")->setLabel(getString("pause"));
 	}
 	else
@@ -591,6 +592,7 @@ void LLFastTimerView::draw()
 			{
 				mAvgCountTotal = ticks;
 				mMaxCountTotal = ticks;
+				LLFastTimer::sResetHistory = false;
 			}
 		}
 
diff --git a/indra/newview/llviewertexture.cpp b/indra/newview/llviewertexture.cpp
index 1863992a22..2e1dc95483 100644
--- a/indra/newview/llviewertexture.cpp
+++ b/indra/newview/llviewertexture.cpp
@@ -422,10 +422,18 @@ static LLFastTimer::DeclareTimer FTM_TEXTURE_MEMORY_CHECK("Memory Check");
 //static 
 bool LLViewerTexture::isMemoryForTextureLow()
 {
+	const F32 WAIT_TIME = 1.0f ; //second
 	LLFastTimer t(FTM_TEXTURE_MEMORY_CHECK);
+	static LLFrameTimer timer ;
 
-	const static S32 MIN_FREE_TEXTURE_MEMORY = 5 ; //MB
-	const static S32 MIN_FREE_MAIN_MEMORy = 100 ; //MB
+	if(timer.getElapsedTimeF32() < WAIT_TIME) //call this once per second.
+	{
+		return false;
+	}
+	timer.reset() ;
+
+	const S32 MIN_FREE_TEXTURE_MEMORY = 5 ; //MB
+	const S32 MIN_FREE_MAIN_MEMORy = 100 ; //MB	
 
 	bool low_mem = false ;
 	if (gGLManager.mHasATIMemInfo)
@@ -437,6 +445,15 @@ bool LLViewerTexture::isMemoryForTextureLow()
 		{
 			low_mem = true ;
 		}
+
+		if(!low_mem) //check main memory, only works for windows.
+		{
+			LLMemory::updateMemoryInfo() ;
+			if(LLMemory::getAvailableMemKB() / 1024 < MIN_FREE_MAIN_MEMORy)
+			{
+				low_mem = true ;
+			}
+		}
 	}
 #if 0  //ignore nVidia cards
 	else if (gGLManager.mHasNVXMemInfo)
@@ -449,16 +466,7 @@ bool LLViewerTexture::isMemoryForTextureLow()
 			low_mem = true ;
 		}
 	}
-#endif
-
-	if(!low_mem) //check main memory, only works for windows.
-	{
-		LLMemory::updateMemoryInfo() ;
-		if(LLMemory::getAvailableMemKB() / 1024 < MIN_FREE_MAIN_MEMORy)
-		{
-			low_mem = true ;
-		}
-	}
+#endif	
 
 	return low_mem ;
 }
@@ -2321,18 +2329,18 @@ void LLViewerFetchedTexture::pauseLoadedCallbacks(const LLLoadedCallbackEntry::s
 
 bool LLViewerFetchedTexture::doLoadedCallbacks()
 {
-	static const F32 MAX_INACTIVE_TIME = 120.f ; //seconds
+	static const F32 MAX_INACTIVE_TIME = 900.f ; //seconds
 
-	if(mPauseLoadedCallBacks)
-	{
-		destroyRawImage();
-		return false; //paused
-	}
 	if (mNeedsCreateTexture)
 	{
 		return false;
 	}
-	if(sCurrentTime - mLastCallBackActiveTime > MAX_INACTIVE_TIME)
+	if(mPauseLoadedCallBacks)
+	{
+		destroyRawImage();
+		return false; //paused
+	}	
+	if(sCurrentTime - mLastCallBackActiveTime > MAX_INACTIVE_TIME && !mIsFetching)
 	{
 		clearCallbackEntryList() ; //remove all callbacks.
 		return false ;
@@ -2355,6 +2363,7 @@ bool LLViewerFetchedTexture::doLoadedCallbacks()
 
 		// Remove ourself from the global list of textures with callbacks
 		gTextureList.mCallbackList.erase(this);
+		return false ;
 	}	
 
 	S32 gl_discard = getDiscardLevel();