Automated merge with ssh://hg.lindenlab.com/richard/viewer-experience/

72 files changed, 1383 insertions, 442 deletions

diff --git a/.hgtags b/.hgtags
index 75dc28b262..2701d2bab0 100644
--- a/.hgtags
+++ b/.hgtags
@@ -228,6 +228,10 @@ c4911ec8cd81e676dfd2af438b3e065407a94a7a 3.2.1-start
 80f3e30d8aa4d8f674a48bd742aaa6d8e9eae0b5 3.2.3-start
 a8c7030d6845186fac7c188be4323a0e887b4184 DRTVWR-99_3.2.1-release
 a8c7030d6845186fac7c188be4323a0e887b4184 3.2.1-release
+a9abb9633a266c8d2fe62411cfd1c86d32da72bf DRTVWR-60_2.7.1-release
+fe3a8e7973072ea62043c08b19b66626c1a720eb DRTVWR-60_2.7.1-release
+a9abb9633a266c8d2fe62411cfd1c86d32da72bf 2.7.1-release
+fe3a8e7973072ea62043c08b19b66626c1a720eb 2.7.1-release
 3fe994349fae64fc40874bb59db387131eb35a41 3.2.4-start
 a9abb9633a266c8d2fe62411cfd1c86d32da72bf DRTVWR-60_2.7.1-release
 fe3a8e7973072ea62043c08b19b66626c1a720eb DRTVWR-60_2.7.1-release
@@ -244,5 +248,15 @@ bd6bcde2584491fd9228f1fa51c4575f4e764e19 3.2.4-release
 3d2d5d244c6398a4214c666d5dd3965b0918709a 3.2.5-beta1
 65a2c1c8d855b88edfbea4e16ef2f27e7cff8b1d DRTVWR-107_3.2.5-beta2
 65a2c1c8d855b88edfbea4e16ef2f27e7cff8b1d 3.2.5-beta2
+c6175c955a19e9b9353d242889ec1779b5762522 DRTVWR-105_3.2.5-release
+c6175c955a19e9b9353d242889ec1779b5762522 3.2.5-release
 2174ed1c7129562428a5cfe8651ed77b8d26ae18 3.2.6-start
+286d73ff5c19f6c00e023dc1b60975ed6bbe2872 DRTVWR-109_3.2.6-beta1
 4891c46a56fed7512c783b9cbe7cb7260727bf0c 3.2.7-start
+286d73ff5c19f6c00e023dc1b60975ed6bbe2872 3.2.6-beta1
+c6175c955a19e9b9353d242889ec1779b5762522 DRTVWR-105_3.2.5-release
+c6175c955a19e9b9353d242889ec1779b5762522 3.2.5-release
+3d75c836d178c7c7e788f256afe195f6cab764a2 DRTVWR-111_3.2.7-beta1
+3d75c836d178c7c7e788f256afe195f6cab764a2 3.2.7-beta1
+89980333c99dbaf1787fe20784f1d8849e9b5d4f 3.2.8-start
+37dd400ad721e2a89ee820ffc1e7e433c68f3ca2 3.2.9-start
diff --git a/doc/contributions.txt b/doc/contributions.txt
index 84f399cc89..c5db396c97 100644
--- a/doc/contributions.txt
+++ b/doc/contributions.txt
@@ -607,6 +607,9 @@ Jonathan Yap
 	STORM-1737
 	STORM-1733
 	STORM-1790
+	STORM-1788
+	STORM-1799
+	STORM-1796
 Kadah Coba
 	STORM-1060
 Jondan Lundquist
diff --git a/indra/llcommon/llthread.cpp b/indra/llcommon/llthread.cpp
index 4063cc730b..a6ad6b125c 100644
--- a/indra/llcommon/llthread.cpp
+++ b/indra/llcommon/llthread.cpp
@@ -337,11 +337,7 @@ LLMutex::~LLMutex()
 
 void LLMutex::lock()
 {
-#if LL_DARWIN
-	if (mLockingThread == LLThread::currentID())
-#else
-	if (mLockingThread == sThreadID)
-#endif
+	if(isSelfLocked())
 	{ //redundant lock
 		mCount++;
 		return;
@@ -398,6 +394,15 @@ bool LLMutex::isLocked()
 	}
 }
 
+bool LLMutex::isSelfLocked()
+{
+#if LL_DARWIN
+	return mLockingThread == LLThread::currentID();
+#else
+	return mLockingThread == sThreadID;
+#endif
+}
+
 U32 LLMutex::lockingThread() const
 {
 	return mLockingThread;
diff --git a/indra/llcommon/llthread.h b/indra/llcommon/llthread.h
index f0e0de6173..b52e70ab2e 100644
--- a/indra/llcommon/llthread.h
+++ b/indra/llcommon/llthread.h
@@ -151,6 +151,7 @@ public:
 	void lock();		// blocks
 	void unlock();
 	bool isLocked(); 	// non-blocking, but does do a lock/unlock so not free
+	bool isSelfLocked(); //return true if locked in a same thread
 	U32 lockingThread() const; //get ID of locking thread
 	
 protected:
diff --git a/indra/llcommon/llversionviewer.h b/indra/llcommon/llversionviewer.h
index 99ab053b25..a869c74189 100644
--- a/indra/llcommon/llversionviewer.h
+++ b/indra/llcommon/llversionviewer.h
@@ -28,8 +28,8 @@
 #define LL_LLVERSIONVIEWER_H
 
 const S32 LL_VERSION_MAJOR = 3;
-const S32 LL_VERSION_MINOR = 2;
-const S32 LL_VERSION_PATCH = 8;
+const S32 LL_VERSION_MINOR = 3;
+const S32 LL_VERSION_PATCH = 0;
 const S32 LL_VERSION_BUILD = 0;
 
 const char * const LL_CHANNEL = "Second Life Developer";
diff --git a/indra/llmath/llvolume.cpp b/indra/llmath/llvolume.cpp
index f08657a75c..cc9744756f 100644
--- a/indra/llmath/llvolume.cpp
+++ b/indra/llmath/llvolume.cpp
@@ -2078,6 +2078,7 @@ LLVolume::LLVolume(const LLVolumeParams &params, const F32 detail, const BOOL ge
 	mFaceMask = 0x0;
 	mDetail = detail;
 	mSculptLevel = -2;
+	mSurfaceArea = 1.f; //only calculated for sculpts, defaults to 1 for all other prims
 	mIsMeshAssetLoaded = FALSE;
 	mLODScaleBias.setVec(1,1,1);
 	mHullPoints = NULL;
@@ -3144,6 +3145,8 @@ void LLVolume::sculpt(U16 sculpt_width, U16 sculpt_height, S8 sculpt_components,
 		{
 			F32 area = sculptGetSurfaceArea();
 
+			mSurfaceArea = area;
+
 			const F32 SCULPT_MAX_AREA = 384.f;
 
 			if (area < SCULPT_MIN_AREA || area > SCULPT_MAX_AREA)
diff --git a/indra/llmath/llvolume.h b/indra/llmath/llvolume.h
index afd1ec5eed..76cf9de613 100644
--- a/indra/llmath/llvolume.h
+++ b/indra/llmath/llvolume.h
@@ -963,6 +963,7 @@ public:
 	S32	getNumFaces() const;
 	S32 getNumVolumeFaces() const							{ return mVolumeFaces.size(); }
 	F32 getDetail() const									{ return mDetail; }
+	F32 getSurfaceArea() const								{ return mSurfaceArea; }
 	const LLVolumeParams& getParams() const					{ return mParams; }
 	LLVolumeParams getCopyOfParams() const					{ return mParams; }
 	const LLProfile& getProfile() const						{ return *mProfilep; }
@@ -1065,6 +1066,7 @@ public:
 	BOOL mUnique;
 	F32 mDetail;
 	S32 mSculptLevel;
+	F32 mSurfaceArea; //unscaled surface area
 	BOOL mIsMeshAssetLoaded;
 	
 	LLVolumeParams mParams;
diff --git a/indra/llmessage/llbuffer.cpp b/indra/llmessage/llbuffer.cpp
index 0316797f00..250cace6e9 100644
--- a/indra/llmessage/llbuffer.cpp
+++ b/indra/llmessage/llbuffer.cpp
@@ -32,6 +32,9 @@
 #include "llmath.h"
 #include "llmemtype.h"
 #include "llstl.h"
+#include "llthread.h"
+
+#define ASSERT_LLBUFFERARRAY_MUTEX_LOCKED llassert(!mMutexp || mMutexp->isSelfLocked());
 
 /** 
  * LLSegment
@@ -224,7 +227,8 @@ void LLHeapBuffer::allocate(S32 size)
  * LLBufferArray
  */
 LLBufferArray::LLBufferArray() :
-	mNextBaseChannel(0)
+	mNextBaseChannel(0),
+	mMutexp(NULL)
 {
 	LLMemType m1(LLMemType::MTYPE_IO_BUFFER);
 }
@@ -233,6 +237,8 @@ LLBufferArray::~LLBufferArray()
 {
 	LLMemType m1(LLMemType::MTYPE_IO_BUFFER);
 	std::for_each(mBuffers.begin(), mBuffers.end(), DeletePointer());
+
+	delete mMutexp;
 }
 
 // static
@@ -243,14 +249,57 @@ LLChannelDescriptors LLBufferArray::makeChannelConsumer(
 	return rv;
 }
 
+void LLBufferArray::lock()
+{
+	if(mMutexp)
+	{
+		mMutexp->lock() ;
+	}
+}
+
+void LLBufferArray::unlock()
+{
+	if(mMutexp)
+	{
+		mMutexp->unlock() ;
+	}
+}
+
+LLMutex* LLBufferArray::getMutex()
+{
+	return mMutexp ;
+}
+
+void LLBufferArray::setThreaded(bool threaded)
+{
+	if(threaded)
+	{
+		if(!mMutexp)
+		{
+			mMutexp = new LLMutex(NULL);
+		}
+	}
+	else
+	{
+		if(mMutexp)
+		{
+			delete mMutexp ;
+			mMutexp = NULL ;
+		}
+	}
+}
+
 LLChannelDescriptors LLBufferArray::nextChannel()
 {
 	LLChannelDescriptors rv(mNextBaseChannel++);
 	return rv;
 }
 
+//mMutexp should be locked before calling this.
 S32 LLBufferArray::capacity() const
 {
+	ASSERT_LLBUFFERARRAY_MUTEX_LOCKED
+
 	S32 total = 0;
 	const_buffer_iterator_t iter = mBuffers.begin();
 	const_buffer_iterator_t end = mBuffers.end();
@@ -263,6 +312,8 @@ S32 LLBufferArray::capacity() const
 
 bool LLBufferArray::append(S32 channel, const U8* src, S32 len)
 {
+	LLMutexLock lock(mMutexp) ;
+
 	LLMemType m1(LLMemType::MTYPE_IO_BUFFER);
 	std::vector<LLSegment> segments;
 	if(copyIntoBuffers(channel, src, len, segments))
@@ -273,8 +324,11 @@ bool LLBufferArray::append(S32 channel, const U8* src, S32 len)
 	return false;
 }
 
+//mMutexp should be locked before calling this.
 bool LLBufferArray::prepend(S32 channel, const U8* src, S32 len)
 {
+	ASSERT_LLBUFFERARRAY_MUTEX_LOCKED
+
 	LLMemType m1(LLMemType::MTYPE_IO_BUFFER);
 	std::vector<LLSegment> segments;
 	if(copyIntoBuffers(channel, src, len, segments))
@@ -293,6 +347,8 @@ bool LLBufferArray::insertAfter(
 {
 	LLMemType m1(LLMemType::MTYPE_IO_BUFFER);
 	std::vector<LLSegment> segments;
+
+	LLMutexLock lock(mMutexp) ;
 	if(mSegments.end() != segment)
 	{
 		++segment;
@@ -305,8 +361,11 @@ bool LLBufferArray::insertAfter(
 	return false;
 }
 
+//mMutexp should be locked before calling this.
 LLBufferArray::segment_iterator_t LLBufferArray::splitAfter(U8* address)
 {
+	ASSERT_LLBUFFERARRAY_MUTEX_LOCKED
+
 	LLMemType m1(LLMemType::MTYPE_IO_BUFFER);
 	segment_iterator_t end = mSegments.end();
 	segment_iterator_t it = getSegment(address);
@@ -335,20 +394,26 @@ LLBufferArray::segment_iterator_t LLBufferArray::splitAfter(U8* address)
 	return rv;
 }
 							   
+//mMutexp should be locked before calling this.
 LLBufferArray::segment_iterator_t LLBufferArray::beginSegment()
 {
+	ASSERT_LLBUFFERARRAY_MUTEX_LOCKED
 	return mSegments.begin();
 }
 
+//mMutexp should be locked before calling this.
 LLBufferArray::segment_iterator_t LLBufferArray::endSegment()
 {
+	ASSERT_LLBUFFERARRAY_MUTEX_LOCKED
 	return mSegments.end();
 }
 
+//mMutexp should be locked before calling this.
 LLBufferArray::segment_iterator_t LLBufferArray::constructSegmentAfter(
 	U8* address,
 	LLSegment& segment)
 {
+	ASSERT_LLBUFFERARRAY_MUTEX_LOCKED
 	LLMemType m1(LLMemType::MTYPE_IO_BUFFER);
 	segment_iterator_t rv = mSegments.begin();
 	segment_iterator_t end = mSegments.end();
@@ -395,8 +460,10 @@ LLBufferArray::segment_iterator_t LLBufferArray::constructSegmentAfter(
 	return rv;
 }
 
+//mMutexp should be locked before calling this.
 LLBufferArray::segment_iterator_t LLBufferArray::getSegment(U8* address)
 {
+	ASSERT_LLBUFFERARRAY_MUTEX_LOCKED
 	segment_iterator_t end = mSegments.end();
 	if(!address)
 	{
@@ -414,9 +481,11 @@ LLBufferArray::segment_iterator_t LLBufferArray::getSegment(U8* address)
 	return end;
 }
 
+//mMutexp should be locked before calling this.
 LLBufferArray::const_segment_iterator_t LLBufferArray::getSegment(
 	U8* address) const
 {
+	ASSERT_LLBUFFERARRAY_MUTEX_LOCKED
 	const_segment_iterator_t end = mSegments.end();
 	if(!address)
 	{
@@ -466,6 +535,8 @@ S32 LLBufferArray::countAfter(S32 channel, U8* start) const
 	S32 count = 0;
 	S32 offset = 0;
 	const_segment_iterator_t it;
+
+	LLMutexLock lock(mMutexp) ;
 	const_segment_iterator_t end = mSegments.end();
 	if(start)
 	{
@@ -517,6 +588,8 @@ U8* LLBufferArray::readAfter(
 	len = 0;
 	S32 bytes_to_copy = 0;
 	const_segment_iterator_t it;
+
+	LLMutexLock lock(mMutexp) ;
 	const_segment_iterator_t end = mSegments.end();
 	if(start)
 	{
@@ -568,6 +641,7 @@ U8* LLBufferArray::seek(
 	U8* start,
 	S32 delta) const
 {
+	ASSERT_LLBUFFERARRAY_MUTEX_LOCKED
 	LLMemType m1(LLMemType::MTYPE_IO_BUFFER);
 	const_segment_iterator_t it;
 	const_segment_iterator_t end = mSegments.end();
@@ -709,9 +783,14 @@ U8* LLBufferArray::seek(
 	return rv;
 }
 
+//test use only
 bool LLBufferArray::takeContents(LLBufferArray& source)
 {
 	LLMemType m1(LLMemType::MTYPE_IO_BUFFER);
+
+	LLMutexLock lock(mMutexp);
+	source.lock();
+
 	std::copy(
 		source.mBuffers.begin(),
 		source.mBuffers.end(),
@@ -723,13 +802,17 @@ bool LLBufferArray::takeContents(LLBufferArray& source)
 		std::back_insert_iterator<segment_list_t>(mSegments));
 	source.mSegments.clear();
 	source.mNextBaseChannel = 0;
+	source.unlock();
+
 	return true;
 }
 
+//mMutexp should be locked before calling this.
 LLBufferArray::segment_iterator_t LLBufferArray::makeSegment(
 	S32 channel,
 	S32 len)
 {
+	ASSERT_LLBUFFERARRAY_MUTEX_LOCKED
 	LLMemType m1(LLMemType::MTYPE_IO_BUFFER);
 	// start at the end of the buffers, because it is the most likely
 	// to have free space.
@@ -765,8 +848,10 @@ LLBufferArray::segment_iterator_t LLBufferArray::makeSegment(
 	return send;
 }
 
+//mMutexp should be locked before calling this.
 bool LLBufferArray::eraseSegment(const segment_iterator_t& erase_iter)
 {
+	ASSERT_LLBUFFERARRAY_MUTEX_LOCKED
 	LLMemType m1(LLMemType::MTYPE_IO_BUFFER);
 
 	// Find out which buffer contains the segment, and if it is found,
@@ -792,13 +877,14 @@ bool LLBufferArray::eraseSegment(const segment_iterator_t& erase_iter)
 	return rv;
 }
 
-
+//mMutexp should be locked before calling this.
 bool LLBufferArray::copyIntoBuffers(
 	S32 channel,
 	const U8* src,
 	S32 len,
 	std::vector<LLSegment>& segments)
 {
+	ASSERT_LLBUFFERARRAY_MUTEX_LOCKED
 	LLMemType m1(LLMemType::MTYPE_IO_BUFFER);
 	if(!src || !len) return false;
 	S32 copied = 0;
diff --git a/indra/llmessage/llbuffer.h b/indra/llmessage/llbuffer.h
index 1c42b6fbc6..ccdb9fa7ee 100644
--- a/indra/llmessage/llbuffer.h
+++ b/indra/llmessage/llbuffer.h
@@ -39,6 +39,7 @@
 #include <list>
 #include <vector>
 
+class LLMutex;
 /** 
  * @class LLChannelDescriptors
  * @brief A way simple interface to accesss channels inside a buffer
@@ -564,6 +565,29 @@ public:
 	 * @return Returns true on success.
 	 */
 	bool eraseSegment(const segment_iterator_t& iter);
+
+	/**
+	* @brief Lock the mutex if it exists
+	* This method locks mMutexp to make accessing LLBufferArray thread-safe
+	*/
+	void lock();
+
+	/**
+	* @brief Unlock the mutex if it exists
+	*/
+	void unlock();
+
+	/**
+	* @brief Return mMutexp
+	*/
+	LLMutex* getMutex();
+
+	/**
+	* @brief Set LLBufferArray to be shared across threads or not
+	* This method is to create mMutexp if is threaded.
+	* @param threaded Indicates this LLBufferArray instance is shared across threads if true.
+	*/
+	void setThreaded(bool threaded);
 	//@}
 
 protected:
@@ -595,6 +619,7 @@ protected:
 	S32 mNextBaseChannel;
 	buffer_list_t mBuffers;
 	segment_list_t mSegments;
+	LLMutex* mMutexp;
 };
 
 #endif // LL_LLBUFFER_H
diff --git a/indra/llmessage/llbufferstream.cpp b/indra/llmessage/llbufferstream.cpp
index 6257983c43..8d8ad05ad5 100644
--- a/indra/llmessage/llbufferstream.cpp
+++ b/indra/llmessage/llbufferstream.cpp
@@ -31,6 +31,7 @@
 
 #include "llbuffer.h"
 #include "llmemtype.h"
+#include "llthread.h"
 
 static const S32 DEFAULT_OUTPUT_SEGMENT_SIZE = 1024 * 4;
 
@@ -62,6 +63,7 @@ int LLBufferStreamBuf::underflow()
 		return EOF;
 	}
 
+	LLMutexLock lock(mBuffer->getMutex());
 	LLBufferArray::segment_iterator_t iter;
 	LLBufferArray::segment_iterator_t end = mBuffer->endSegment();
 	U8* last_pos = (U8*)gptr();
@@ -149,6 +151,7 @@ int LLBufferStreamBuf::overflow(int c)
 	// since we got here, we have a buffer, and we have a character to
 	// put on it.
 	LLBufferArray::segment_iterator_t it;
+	LLMutexLock lock(mBuffer->getMutex());
 	it = mBuffer->makeSegment(mChannels.out(), DEFAULT_OUTPUT_SEGMENT_SIZE);
 	if(it != mBuffer->endSegment())
 	{
@@ -210,6 +213,7 @@ int LLBufferStreamBuf::sync()
 
 	// *NOTE: I bet we could just --address if address is not NULL.
 	// Need to think about that.
+	LLMutexLock lock(mBuffer->getMutex());
 	address = mBuffer->seek(mChannels.out(), address, -1);
 	if(address)
 	{
@@ -273,6 +277,8 @@ streampos LLBufferStreamBuf::seekoff(
 			// NULL is fine
 			break;
 		}
+
+		LLMutexLock lock(mBuffer->getMutex());
 		address = mBuffer->seek(mChannels.in(), base_addr, off);
 		if(address)
 		{
@@ -304,6 +310,8 @@ streampos LLBufferStreamBuf::seekoff(
 			// NULL is fine
 			break;
 		}
+
+		LLMutexLock lock(mBuffer->getMutex());
 		address = mBuffer->seek(mChannels.out(), base_addr, off);
 		if(address)
 		{
diff --git a/indra/llmessage/llcurl.cpp b/indra/llmessage/llcurl.cpp
index 344463f036..b93d429feb 100644
--- a/indra/llmessage/llcurl.cpp
+++ b/indra/llmessage/llcurl.cpp
@@ -72,10 +72,9 @@
 
 static const U32 EASY_HANDLE_POOL_SIZE		= 5;
 static const S32 MULTI_PERFORM_CALL_REPEAT	= 5;
-static const S32 CURL_REQUEST_TIMEOUT = 30; // seconds
+static const S32 CURL_REQUEST_TIMEOUT = 30; // seconds per operation
 static const S32 MAX_ACTIVE_REQUEST_COUNT = 100;
 
-static 
 // DEBUG //
 S32 gCurlEasyCount = 0;
 S32 gCurlMultiCount = 0;
@@ -87,6 +86,11 @@ std::vector<LLMutex*> LLCurl::sSSLMutex;
 std::string LLCurl::sCAPath;
 std::string LLCurl::sCAFile;
 LLCurlThread* LLCurl::sCurlThread = NULL ;
+LLMutex* LLCurl::sHandleMutexp = NULL ;
+S32      LLCurl::sTotalHandles = 0 ;
+bool     LLCurl::sNotQuitting = true;
+F32      LLCurl::sCurlRequestTimeOut = 120.f; //seonds
+S32      LLCurl::sMaxHandles = 256; //max number of handles, (multi handles and easy handles combined).
 
 void check_curl_code(CURLcode code)
 {
@@ -224,13 +228,15 @@ LLMutex* LLCurl::Easy::sHandleMutexp = NULL ;
 //static
 CURL* LLCurl::Easy::allocEasyHandle()
 {
+	llassert(LLCurl::getCurlThread()) ;
+
 	CURL* ret = NULL;
 
 	LLMutexLock lock(sHandleMutexp) ;
 
 	if (sFreeHandles.empty())
 	{
-		ret = curl_easy_init();
+		ret = LLCurl::newEasyHandle();
 	}
 	else
 	{
@@ -250,19 +256,30 @@ CURL* LLCurl::Easy::allocEasyHandle()
 //static
 void LLCurl::Easy::releaseEasyHandle(CURL* handle)
 {
+	static const S32 MAX_NUM_FREE_HANDLES = 32 ;
+
 	if (!handle)
 	{
-		llerrs << "handle cannot be NULL!" << llendl;
+		return ; //handle allocation failed.
+		//llerrs << "handle cannot be NULL!" << llendl;
 	}
 
 	LLMutexLock lock(sHandleMutexp) ;
 	if (sActiveHandles.find(handle) != sActiveHandles.end())
 	{
 		sActiveHandles.erase(handle);
+
+		if(sFreeHandles.size() < MAX_NUM_FREE_HANDLES)
+		{
 		sFreeHandles.insert(handle);
 	}
 	else
 	{
+			LLCurl::deleteEasyHandle(handle) ;
+		}
+	}
+	else
+	{
 		llerrs << "Invalid handle." << llendl;
 	}
 }
@@ -302,6 +319,14 @@ LLCurl::Easy::~Easy()
 	--gCurlEasyCount;
 	curl_slist_free_all(mHeaders);
 	for_each(mStrings.begin(), mStrings.end(), DeletePointerArray());
+
+	if (mResponder && LLCurl::sNotQuitting) //aborted
+	{	
+		std::string reason("Request timeout, aborted.") ;
+		mResponder->completedRaw(408, //HTTP_REQUEST_TIME_OUT, timeout, abort
+			reason, mChannels, mOutput);		
+	}
+	mResponder = NULL;
 }
 
 void LLCurl::Easy::resetState()
@@ -474,6 +499,7 @@ void LLCurl::Easy::prepRequest(const std::string& url,
 	LLProxy::getInstance()->applyProxySettings(this);
 
 	mOutput.reset(new LLBufferArray);
+	mOutput->setThreaded(true);
 	setopt(CURLOPT_WRITEFUNCTION, (void*)&curlWriteCallback);
 	setopt(CURLOPT_WRITEDATA, (void*)this);
 
@@ -517,8 +543,7 @@ void LLCurl::Easy::prepRequest(const std::string& url,
 }
 
 ////////////////////////////////////////////////////////////////////////////
-LLMutex* LLCurl::Multi::sMultiInitMutexp = NULL ;
-LLCurl::Multi::Multi()
+LLCurl::Multi::Multi(F32 idle_time_out)
 	: mQueued(0),
 	  mErrorCount(0),
 	  mState(STATE_READY),
@@ -527,15 +552,17 @@ LLCurl::Multi::Multi()
 	  mDeletionMutexp(NULL),
 	  mEasyMutexp(NULL)
 {
-	mCurlMultiHandle = initMulti();
+	mCurlMultiHandle = LLCurl::newMultiHandle();
 	if (!mCurlMultiHandle)
 	{
 		llwarns << "curl_multi_init() returned NULL! Easy handles: " << gCurlEasyCount << " Multi handles: " << gCurlMultiCount << llendl;
-		mCurlMultiHandle = initMulti();
+		mCurlMultiHandle = LLCurl::newMultiHandle();
 	}
 	
-	llassert_always(mCurlMultiHandle);	
+	//llassert_always(mCurlMultiHandle);	
 
+	if(mCurlMultiHandle)
+	{
 	if(LLCurl::getCurlThread()->getThreaded())
 	{
 		mMutexp = new LLMutex(NULL) ;
@@ -544,11 +571,28 @@ LLCurl::Multi::Multi()
 	}
 	LLCurl::getCurlThread()->addMulti(this) ;
 
+		mIdleTimeOut = idle_time_out ;
+		if(mIdleTimeOut < LLCurl::sCurlRequestTimeOut)
+		{
+			mIdleTimeOut = LLCurl::sCurlRequestTimeOut ;
+		}
+
 	++gCurlMultiCount;
 }
+}
 
 LLCurl::Multi::~Multi()
 {
+	cleanup() ;	
+}
+
+void LLCurl::Multi::cleanup()
+{
+	if(!mCurlMultiHandle)
+	{
+		return ; //nothing to clean.
+	}
+
 	// Clean up active
 	for(easy_active_list_t::iterator iter = mEasyActiveList.begin();
 		iter != mEasyActiveList.end(); ++iter)
@@ -564,7 +608,8 @@ LLCurl::Multi::~Multi()
 	for_each(mEasyFreeList.begin(), mEasyFreeList.end(), DeletePointer());	
 	mEasyFreeList.clear();
 
-	check_curl_multi_code(curl_multi_cleanup(mCurlMultiHandle));
+	check_curl_multi_code(LLCurl::deleteMultiHandle(mCurlMultiHandle));
+	mCurlMultiHandle = NULL ;
 
 	delete mMutexp ;
 	mMutexp = NULL ;
@@ -573,14 +618,12 @@ LLCurl::Multi::~Multi()
 	delete mEasyMutexp ;
 	mEasyMutexp = NULL ;
 
+	mQueued = 0 ;
+	mState = STATE_COMPLETED;
+	
 	--gCurlMultiCount;
-}
-
-CURLM* LLCurl::Multi::initMulti()
-{
-	LLMutexLock lock(sMultiInitMutexp) ;
 
-	return curl_multi_init() ;
+	return ;
 }
 
 void LLCurl::Multi::lock()
@@ -604,6 +647,7 @@ void LLCurl::Multi::markDead()
 	LLMutexLock lock(mDeletionMutexp) ;
 	
 	mDead = TRUE ;
+	LLCurl::getCurlThread()->setPriority(mHandle, LLQueuedThread::PRIORITY_URGENT) ; 
 }
 
 void LLCurl::Multi::setState(LLCurl::Multi::ePerformState state)
@@ -630,6 +674,11 @@ bool LLCurl::Multi::isCompleted()
 
 bool LLCurl::Multi::waitToComplete()
 {
+	if(!isValid())
+	{
+		return true ;
+	}
+
 	if(!mMutexp) //not threaded
 	{
 		doPerform() ;
@@ -639,7 +688,7 @@ bool LLCurl::Multi::waitToComplete()
 	bool completed = (STATE_COMPLETED == mState) ;
 	if(!completed)
 	{
-		LLCurl::getCurlThread()->setPriority(mHandle, LLQueuedThread::PRIORITY_URGENT) ;
+		LLCurl::getCurlThread()->setPriority(mHandle, LLQueuedThread::PRIORITY_HIGH) ;
 	}
 	
 	return completed;
@@ -690,6 +739,11 @@ bool LLCurl::Multi::doPerform()
 
 		mQueued = q;	
 		setState(STATE_COMPLETED) ;
+		mIdleTimer.reset() ;
+	}
+	else if(mIdleTimer.getElapsedTimeF32() > mIdleTimeOut) //idle for too long, remove it.
+	{
+		dead = true ;
 	}
 
 	return dead ;
@@ -697,6 +751,11 @@ bool LLCurl::Multi::doPerform()
 
 S32 LLCurl::Multi::process()
 {
+	if(!isValid())
+	{
+		return 0 ;
+	}
+
 	waitToComplete() ;
 
 	if (getState() != STATE_COMPLETED)
@@ -849,32 +908,38 @@ bool LLCurlThread::CurlRequest::processRequest()
 	if(mMulti)
 	{
 		completed = mCurlThread->doMultiPerform(mMulti) ;
+
+		if(!completed)
+		{
 		setPriority(LLQueuedThread::PRIORITY_LOW) ;
 	}
+	}
 
 	return completed ;
 }
 
 void LLCurlThread::CurlRequest::finishRequest(bool completed)
 {
+	if(mMulti->isDead())
+	{
 	mCurlThread->deleteMulti(mMulti) ;
+	}
+	else
+	{
+		mCurlThread->cleanupMulti(mMulti) ; //being idle too long, remove the request.
+	}
+
 	mMulti = NULL ;
 }
 	
 LLCurlThread::LLCurlThread(bool threaded) :
 	LLQueuedThread("curlthread", threaded)
 {
-	if(!LLCurl::Multi::sMultiInitMutexp)
-	{
-		LLCurl::Multi::sMultiInitMutexp = new LLMutex(NULL) ;
-	}
 }
 	
 //virtual 
 LLCurlThread::~LLCurlThread() 
 {
-	delete LLCurl::Multi::sMultiInitMutexp ;
-	LLCurl::Multi::sMultiInitMutexp = NULL ;
 }
 
 S32 LLCurlThread::update(F32 max_time_ms)
@@ -896,8 +961,20 @@ void LLCurlThread::addMulti(LLCurl::Multi* multi)
 	
 void LLCurlThread::killMulti(LLCurl::Multi* multi)
 {
+	if(!multi)
+	{
+		return ;
+	}
+
+	if(multi->isValid())
+	{
 	multi->markDead() ;
 }
+	else
+	{
+		deleteMulti(multi) ;
+	}
+}
 
 //private
 bool LLCurlThread::doMultiPerform(LLCurl::Multi* multi) 
@@ -910,6 +987,13 @@ void LLCurlThread::deleteMulti(LLCurl::Multi* multi)
 {
 	delete multi ;
 }
+
+//private
+void LLCurlThread::cleanupMulti(LLCurl::Multi* multi) 
+{
+	multi->cleanup() ;
+}
+
 //------------------------------------------------------------
 
 //static
@@ -942,6 +1026,13 @@ LLCurlRequest::~LLCurlRequest()
 void LLCurlRequest::addMulti()
 {
 	LLCurl::Multi* multi = new LLCurl::Multi();
+	if(!multi->isValid())
+	{
+		LLCurl::getCurlThread()->killMulti(multi) ;
+		mActiveMulti = NULL ;
+		mActiveRequestCount = 0 ;
+		return;
+	}
 	
 	mMultiSet.insert(multi);
 	mActiveMulti = multi;
@@ -956,7 +1047,12 @@ LLCurl::Easy* LLCurlRequest::allocEasy()
 	{
 		addMulti();
 	}
-	llassert_always(mActiveMulti);
+	if(!mActiveMulti)
+	{
+		return NULL ;
+	}
+
+	//llassert_always(mActiveMulti);
 	++mActiveRequestCount;
 	LLCurl::Easy* easy = mActiveMulti->allocEasy();
 	return easy;
@@ -1066,6 +1162,19 @@ S32 LLCurlRequest::process()
 	{
 		curlmulti_set_t::iterator curiter = iter++;
 		LLCurl::Multi* multi = *curiter;
+
+		if(!multi->isValid())
+		{
+			if(multi == mActiveMulti)
+			{				
+				mActiveMulti = NULL ;
+				mActiveRequestCount = 0 ;
+			}
+			mMultiSet.erase(curiter) ;
+			LLCurl::getCurlThread()->killMulti(multi) ;
+			continue ;
+		}
+
 		S32 tres = multi->process();
 		res += tres;
 		if (multi != mActiveMulti && tres == 0 && multi->mQueued == 0)
@@ -1086,6 +1195,19 @@ S32 LLCurlRequest::getQueued()
 	{
 		curlmulti_set_t::iterator curiter = iter++;
 		LLCurl::Multi* multi = *curiter;
+		
+		if(!multi->isValid())
+		{
+			if(multi == mActiveMulti)
+			{				
+				mActiveMulti = NULL ;
+				mActiveRequestCount = 0 ;
+			}
+			LLCurl::getCurlThread()->killMulti(multi);
+			mMultiSet.erase(curiter) ;
+			continue ;
+		}
+
 		queued += multi->mQueued;
 		if (multi->getState() != LLCurl::Multi::STATE_READY)
 		{
@@ -1105,6 +1227,8 @@ LLCurlEasyRequest::LLCurlEasyRequest()
 {
 	mMulti = new LLCurl::Multi();
 	
+	if(mMulti->isValid())
+	{
 	mEasy = mMulti->allocEasy();
 	if (mEasy)
 	{
@@ -1114,6 +1238,13 @@ LLCurlEasyRequest::LLCurlEasyRequest()
 		LLProxy::getInstance()->applyProxySettings(mEasy);
 	}
 }
+	else
+	{
+		LLCurl::getCurlThread()->killMulti(mMulti) ;
+		mEasy = NULL ;
+		mMulti = NULL ;
+	}
+}
 
 LLCurlEasyRequest::~LLCurlEasyRequest()
 {
@@ -1122,7 +1253,7 @@ LLCurlEasyRequest::~LLCurlEasyRequest()
 	
 void LLCurlEasyRequest::setopt(CURLoption option, S32 value)
 {
-	if (mEasy)
+	if (isValid() && mEasy)
 	{
 		mEasy->setopt(option, value);
 	}
@@ -1130,7 +1261,7 @@ void LLCurlEasyRequest::setopt(CURLoption option, S32 value)
 
 void LLCurlEasyRequest::setoptString(CURLoption option, const std::string& value)
 {
-	if (mEasy)
+	if (isValid() && mEasy)
 	{
 		mEasy->setoptString(option, value);
 	}
@@ -1138,7 +1269,7 @@ void LLCurlEasyRequest::setoptString(CURLoption option, const std::string& value
 
 void LLCurlEasyRequest::setPost(char* postdata, S32 size)
 {
-	if (mEasy)
+	if (isValid() && mEasy)
 	{
 		mEasy->setopt(CURLOPT_POST, 1);
 		mEasy->setopt(CURLOPT_POSTFIELDS, postdata);
@@ -1148,7 +1279,7 @@ void LLCurlEasyRequest::setPost(char* postdata, S32 size)
 
 void LLCurlEasyRequest::setHeaderCallback(curl_header_callback callback, void* userdata)
 {
-	if (mEasy)
+	if (isValid() && mEasy)
 	{
 		mEasy->setopt(CURLOPT_HEADERFUNCTION, (void*)callback);
 		mEasy->setopt(CURLOPT_HEADERDATA, userdata); // aka CURLOPT_WRITEHEADER
@@ -1157,7 +1288,7 @@ void LLCurlEasyRequest::setHeaderCallback(curl_header_callback callback, void* u
 
 void LLCurlEasyRequest::setWriteCallback(curl_write_callback callback, void* userdata)
 {
-	if (mEasy)
+	if (isValid() && mEasy)
 	{
 		mEasy->setopt(CURLOPT_WRITEFUNCTION, (void*)callback);
 		mEasy->setopt(CURLOPT_WRITEDATA, userdata);
@@ -1166,7 +1297,7 @@ void LLCurlEasyRequest::setWriteCallback(curl_write_callback callback, void* use
 
 void LLCurlEasyRequest::setReadCallback(curl_read_callback callback, void* userdata)
 {
-	if (mEasy)
+	if (isValid() && mEasy)
 	{
 		mEasy->setopt(CURLOPT_READFUNCTION, (void*)callback);
 		mEasy->setopt(CURLOPT_READDATA, userdata);
@@ -1175,7 +1306,7 @@ void LLCurlEasyRequest::setReadCallback(curl_read_callback callback, void* userd
 
 void LLCurlEasyRequest::setSSLCtxCallback(curl_ssl_ctx_callback callback, void* userdata)
 {
-	if (mEasy)
+	if (isValid() && mEasy)
 	{
 		mEasy->setopt(CURLOPT_SSL_CTX_FUNCTION, (void*)callback);
 		mEasy->setopt(CURLOPT_SSL_CTX_DATA, userdata);
@@ -1184,7 +1315,7 @@ void LLCurlEasyRequest::setSSLCtxCallback(curl_ssl_ctx_callback callback, void*
 
 void LLCurlEasyRequest::slist_append(const char* str)
 {
-	if (mEasy)
+	if (isValid() && mEasy)
 	{
 		mEasy->slist_append(str);
 	}
@@ -1195,7 +1326,7 @@ void LLCurlEasyRequest::sendRequest(const std::string& url)
 	llassert_always(!mRequestSent);
 	mRequestSent = true;
 	lldebugs << url << llendl;
-	if (mEasy)
+	if (isValid() && mEasy)
 	{
 		mEasy->setHeaders();
 		mEasy->setoptString(CURLOPT_URL, url);
@@ -1207,7 +1338,7 @@ void LLCurlEasyRequest::requestComplete()
 {
 	llassert_always(mRequestSent);
 	mRequestSent = false;
-	if (mEasy)
+	if (isValid() && mEasy)
 	{
 		mMulti->removeEasy(mEasy);
 	}
@@ -1216,6 +1347,10 @@ void LLCurlEasyRequest::requestComplete()
 // Usage: Call getRestult until it returns false (no more messages)
 bool LLCurlEasyRequest::getResult(CURLcode* result, LLCurl::TransferInfo* info)
 {
+	if(!isValid())
+	{
+		return false ;
+	}
 	if (!mMulti->isCompleted())
 	{ //we're busy, try again later
 		return false;
@@ -1280,7 +1415,7 @@ CURLMsg* LLCurlEasyRequest::info_read(S32* q, LLCurl::TransferInfo* info)
 
 std::string LLCurlEasyRequest::getErrorString()
 {
-	return mEasy ? std::string(mEasy->getErrorBuffer()) : std::string();
+	return isValid() &&  mEasy ? std::string(mEasy->getErrorBuffer()) : std::string();
 }
 
 ////////////////////////////////////////////////////////////////////////////
@@ -1306,8 +1441,11 @@ unsigned long LLCurl::ssl_thread_id(void)
 }
 #endif
 
-void LLCurl::initClass(bool multi_threaded)
+void LLCurl::initClass(F32 curl_reuest_timeout, S32 max_number_handles, bool multi_threaded)
 {
+	sCurlRequestTimeOut = curl_reuest_timeout ; //seconds
+	sMaxHandles = max_number_handles ; //max number of handles, (multi handles and easy handles combined).
+
 	// Do not change this "unless you are familiar with and mean to control 
 	// internal operations of libcurl"
 	// - http://curl.haxx.se/libcurl/c/curl_global_init.html
@@ -1328,12 +1466,15 @@ void LLCurl::initClass(bool multi_threaded)
 	sCurlThread = new LLCurlThread(multi_threaded) ;
 	if(multi_threaded)
 	{
+		sHandleMutexp = new LLMutex(NULL) ;
 		Easy::sHandleMutexp = new LLMutex(NULL) ;
 	}
 }
 
 void LLCurl::cleanupClass()
 {
+	sNotQuitting = false; //set quitting
+
 	//shut down curl thread
 	while(1)
 	{
@@ -1354,7 +1495,7 @@ void LLCurl::cleanupClass()
 	for (std::set<CURL*>::iterator iter = Easy::sFreeHandles.begin(); iter != Easy::sFreeHandles.end(); ++iter)
 	{
 		CURL* curl = *iter;
-		curl_easy_cleanup(curl);
+		LLCurl::deleteEasyHandle(curl);
 	}
 
 	Easy::sFreeHandles.clear();
@@ -1362,9 +1503,77 @@ void LLCurl::cleanupClass()
 	delete Easy::sHandleMutexp ;
 	Easy::sHandleMutexp = NULL ;
 
+	delete sHandleMutexp ;
+	sHandleMutexp = NULL ;
+
 	llassert(Easy::sActiveHandles.empty());
 }
 
+//static 
+CURLM* LLCurl::newMultiHandle()
+{
+	LLMutexLock lock(sHandleMutexp) ;
+
+	if(sTotalHandles + 1 > sMaxHandles)
+	{
+		llwarns << "no more handles available." << llendl ;
+		return NULL ; //failed
+	}
+	sTotalHandles++;
+
+	CURLM* ret = curl_multi_init() ;
+	if(!ret)
+	{
+		llwarns << "curl_multi_init failed." << llendl ;
+	}
+
+	return ret ;
+}
+
+//static 
+CURLMcode  LLCurl::deleteMultiHandle(CURLM* handle)
+{
+	if(handle)
+	{
+		LLMutexLock lock(sHandleMutexp) ;		
+		sTotalHandles-- ;
+		return curl_multi_cleanup(handle) ;
+	}
+	return CURLM_OK ;
+}
+
+//static 
+CURL*  LLCurl::newEasyHandle()
+{
+	LLMutexLock lock(sHandleMutexp) ;
+
+	if(sTotalHandles + 1 > sMaxHandles)
+	{
+		llwarns << "no more handles available." << llendl ;
+		return NULL ; //failed
+	}
+	sTotalHandles++;
+
+	CURL* ret = curl_easy_init() ;
+	if(!ret)
+	{
+		llwarns << "curl_easy_init failed." << llendl ;
+	}
+
+	return ret ;
+}
+
+//static 
+void  LLCurl::deleteEasyHandle(CURL* handle)
+{
+	if(handle)
+	{
+		LLMutexLock lock(sHandleMutexp) ;
+		curl_easy_cleanup(handle) ;
+		sTotalHandles-- ;
+	}
+}
+
 const unsigned int LLCurl::MAX_REDIRECTS = 5;
 
 // Provide access to LLCurl free functions outside of llcurl.cpp without polluting the global namespace.
diff --git a/indra/llmessage/llcurl.h b/indra/llmessage/llcurl.h
index 9c2c215c7a..fd664c0fa1 100644
--- a/indra/llmessage/llcurl.h
+++ b/indra/llmessage/llcurl.h
@@ -43,6 +43,7 @@
 #include "llsd.h"
 #include "llthread.h"
 #include "llqueuedthread.h"
+#include "llframetimer.h"
 
 class LLMutex;
 class LLCurlThread;
@@ -162,7 +163,7 @@ public:
 	/**
 	 * @ brief Initialize LLCurl class
 	 */
-	static void initClass(bool multi_threaded = false);
+	static void initClass(F32 curl_reuest_timeout = 120.f, S32 max_number_handles = 256, bool multi_threaded = false);
 
 	/**
 	 * @ brief Cleanup LLCurl class
@@ -182,11 +183,24 @@ public:
 	static unsigned long ssl_thread_id(void);
 
 	static LLCurlThread* getCurlThread() { return sCurlThread ;}
+
+	static CURLM* newMultiHandle() ;
+	static CURLMcode deleteMultiHandle(CURLM* handle) ;
+	static CURL*  newEasyHandle() ;
+	static void   deleteEasyHandle(CURL* handle) ;
+
 private:
 	static std::string sCAPath;
 	static std::string sCAFile;
 	static const unsigned int MAX_REDIRECTS;
 	static LLCurlThread* sCurlThread;
+
+	static LLMutex* sHandleMutexp ;
+	static S32      sTotalHandles ;
+	static S32      sMaxHandles;
+public:
+	static bool     sNotQuitting;
+	static F32      sCurlRequestTimeOut;	
 };
 
 class LLCurl::Easy
@@ -277,7 +291,7 @@ public:
 		STATE_COMPLETED=2
 	} ePerformState;
 
-	Multi();	
+	Multi(F32 idle_time_out = 0.f);	
 
 	LLCurl::Easy* allocEasy();
 	bool addEasy(LLCurl::Easy* easy);	
@@ -288,7 +302,10 @@ public:
 
 	void setState(ePerformState state) ;
 	ePerformState getState() ;
+	
 	bool isCompleted() ;
+	bool isValid() {return mCurlMultiHandle != NULL ;}
+	bool isDead() {return mDead;}
 
 	bool waitToComplete() ;
 
@@ -299,9 +316,9 @@ public:
 	S32 mQueued;
 	S32 mErrorCount;
 	
-	static CURLM* initMulti() ;
 private:
 	void easyFree(LLCurl::Easy*);
+	void cleanup() ;
 	
 	CURLM* mCurlMultiHandle;
 
@@ -319,8 +336,8 @@ private:
 	LLMutex* mMutexp ;
 	LLMutex* mDeletionMutexp ;
 	LLMutex* mEasyMutexp ;
-
-	static LLMutex* sMultiInitMutexp ;
+	LLFrameTimer mIdleTimer ;
+	F32 mIdleTimeOut;
 };
 
 class LLCurlThread : public LLQueuedThread
@@ -357,6 +374,7 @@ public:
 private:
 	bool doMultiPerform(LLCurl::Multi* multi) ;
 	void deleteMulti(LLCurl::Multi* multi) ;
+	void cleanupMulti(LLCurl::Multi* multi) ;
 } ;
 
 namespace boost
@@ -414,6 +432,7 @@ public:
 	std::string getErrorString();
 	bool isCompleted() {return mMulti->isCompleted() ;}
 	bool wait() { return mMulti->waitToComplete(); }
+	bool isValid() {return mMulti && mMulti->isValid(); }
 
 	LLCurl::Easy* getEasy() const { return mEasy; }
 
diff --git a/indra/llmessage/llhttpassetstorage.cpp b/indra/llmessage/llhttpassetstorage.cpp
index 2bca517e97..612d765969 100644
--- a/indra/llmessage/llhttpassetstorage.cpp
+++ b/indra/llmessage/llhttpassetstorage.cpp
@@ -232,7 +232,8 @@ LLSD LLHTTPAssetRequest::getFullDetails() const
 void LLHTTPAssetRequest::setupCurlHandle()
 {
 	// *NOTE: Similar code exists in mapserver/llcurlutil.cpp  JC
-	mCurlHandle = curl_easy_init();
+	mCurlHandle = LLCurl::newEasyHandle();
+	llassert_always(mCurlHandle != NULL) ;
 
 	// Apply proxy settings if configured to do so
 	LLProxy::getInstance()->applyProxySettings(mCurlHandle);
@@ -278,7 +279,7 @@ void LLHTTPAssetRequest::setupCurlHandle()
 
 void LLHTTPAssetRequest::cleanupCurlHandle()
 {
-	curl_easy_cleanup(mCurlHandle);
+	LLCurl::deleteEasyHandle(mCurlHandle);
 	if (mAssetStoragep)
 	{
 		// Terminating a request.  Thus upload or download is no longer pending.
@@ -429,12 +430,13 @@ void LLHTTPAssetStorage::_init(const std::string& web_host, const std::string& l
 
 	// curl_global_init moved to LLCurl::initClass()
 	
-	mCurlMultiHandle = curl_multi_init();
+	mCurlMultiHandle = LLCurl::newMultiHandle() ;
+	llassert_always(mCurlMultiHandle != NULL) ;
 }
 
 LLHTTPAssetStorage::~LLHTTPAssetStorage()
 {
-	curl_multi_cleanup(mCurlMultiHandle);
+	LLCurl::deleteMultiHandle(mCurlMultiHandle);
 	mCurlMultiHandle = NULL;
 	
 	// curl_global_cleanup moved to LLCurl::initClass()
diff --git a/indra/llmessage/llhttpclient.cpp b/indra/llmessage/llhttpclient.cpp
index 98983ad28a..0c325a68aa 100644
--- a/indra/llmessage/llhttpclient.cpp
+++ b/indra/llmessage/llhttpclient.cpp
@@ -228,6 +228,12 @@ static void request(
 	LLPumpIO::chain_t chain;
 
 	LLURLRequest* req = new LLURLRequest(method, url);
+	if(!req->isValid())//failed
+	{
+		delete req ;
+		return ;
+	}
+
 	req->setSSLVerifyCallback(LLHTTPClient::getCertVerifyCallback(), (void *)req);
 
 	
@@ -423,7 +429,9 @@ static LLSD blocking_request(
 {
 	lldebugs << "blockingRequest of " << url << llendl;
 	char curl_error_buffer[CURL_ERROR_SIZE] = "\0";
-	CURL* curlp = curl_easy_init();
+	CURL* curlp = LLCurl::newEasyHandle();
+	llassert_always(curlp != NULL) ;
+
 	LLHTTPBuffer http_buffer;
 	std::string body_str;
 	
@@ -517,7 +525,7 @@ static LLSD blocking_request(
 	}
 
 	// * Cleanup
-	curl_easy_cleanup(curlp);
+	LLCurl::deleteEasyHandle(curlp);
 	return response;
 }
 
diff --git a/indra/llmessage/lliohttpserver.cpp b/indra/llmessage/lliohttpserver.cpp
index 73e8a69085..987f386aa3 100644
--- a/indra/llmessage/lliohttpserver.cpp
+++ b/indra/llmessage/lliohttpserver.cpp
@@ -818,6 +818,8 @@ LLIOPipe::EStatus LLHTTPResponder::process_impl(
 
   			// Copy everything after mLast read to the out.
 			LLBufferArray::segment_iterator_t seg_iter;
+
+			buffer->lock();
 			seg_iter = buffer->splitAfter(mLastRead);
 			if(seg_iter != buffer->endSegment())
 			{
@@ -838,7 +840,7 @@ LLIOPipe::EStatus LLHTTPResponder::process_impl(
 				}
 #endif
 			}
-
+			buffer->unlock();
 			//
 			// *FIX: get rid of extra bytes off the end
 			//
diff --git a/indra/llmessage/lliopipe.cpp b/indra/llmessage/lliopipe.cpp
index 6e4eec74a6..8f827f7a30 100644
--- a/indra/llmessage/lliopipe.cpp
+++ b/indra/llmessage/lliopipe.cpp
@@ -75,6 +75,12 @@ LLIOPipe::~LLIOPipe()
 	//lldebugs << "destroying LLIOPipe" << llendl;
 }
 
+//virtual 
+bool LLIOPipe::isValid() 
+{
+	return true ;
+}
+
 // static
 std::string LLIOPipe::lookupStatusString(EStatus status)
 {
diff --git a/indra/llmessage/lliopipe.h b/indra/llmessage/lliopipe.h
index 8e656b6da1..cbd17b5a3d 100644
--- a/indra/llmessage/lliopipe.h
+++ b/indra/llmessage/lliopipe.h
@@ -231,6 +231,8 @@ public:
 	 */
 	virtual ~LLIOPipe();
 
+	virtual bool isValid() ;
+
 protected:
 	/**
 	 * @brief Base Constructor.
diff --git a/indra/llmessage/lliosocket.cpp b/indra/llmessage/lliosocket.cpp
index 54ceab3422..d5b4d45821 100644
--- a/indra/llmessage/lliosocket.cpp
+++ b/indra/llmessage/lliosocket.cpp
@@ -445,6 +445,7 @@ LLIOPipe::EStatus LLIOSocketWriter::process_impl(
 	// efficient - not only because writev() is better, but also
 	// because we won't have to do as much work to find the start
 	// address.
+	buffer->lock();
 	LLBufferArray::segment_iterator_t it;
 	LLBufferArray::segment_iterator_t end = buffer->endSegment();
 	LLSegment segment;
@@ -524,6 +525,8 @@ LLIOPipe::EStatus LLIOSocketWriter::process_impl(
 		}
 
 	}
+	buffer->unlock();
+
 	PUMP_DEBUG;
 	if(done && eos)
 	{
diff --git a/indra/llmessage/llpumpio.cpp b/indra/llmessage/llpumpio.cpp
index a8d2a0a224..f3ef4f2684 100644
--- a/indra/llmessage/llpumpio.cpp
+++ b/indra/llmessage/llpumpio.cpp
@@ -195,7 +195,7 @@ bool LLPumpIO::prime(apr_pool_t* pool)
 	return ((pool == NULL) ? false : true);
 }
 
-bool LLPumpIO::addChain(const chain_t& chain, F32 timeout)
+bool LLPumpIO::addChain(const chain_t& chain, F32 timeout, bool has_curl_request)
 {
 	LLMemType m1(LLMemType::MTYPE_IO_PUMP);
 	if(chain.empty()) return false;
@@ -204,8 +204,10 @@ bool LLPumpIO::addChain(const chain_t& chain, F32 timeout)
 	LLScopedLock lock(mChainsMutex);
 #endif
 	LLChainInfo info;
+	info.mHasCurlRequest = has_curl_request;
 	info.setTimeoutSeconds(timeout);
 	info.mData = LLIOPipe::buffer_ptr_t(new LLBufferArray);
+	info.mData->setThreaded(has_curl_request);
 	LLLinkInfo link;
 #if LL_DEBUG_PIPE_TYPE_IN_PUMP
 	lldebugs << "LLPumpIO::addChain() " << chain[0] << " '"
@@ -440,6 +442,15 @@ void LLPumpIO::pump()
 
 static LLFastTimer::DeclareTimer FTM_PUMP_IO("Pump IO");
 
+LLPumpIO::current_chain_t LLPumpIO::removeRunningChain(LLPumpIO::current_chain_t& run_chain) 
+{
+	std::for_each(
+				(*run_chain).mDescriptors.begin(),
+				(*run_chain).mDescriptors.end(),
+				ll_delete_apr_pollset_fd_client_data());
+	return mRunningChains.erase(run_chain);
+}
+
 //timeout is in microseconds
 void LLPumpIO::pump(const S32& poll_timeout)
 {
@@ -585,10 +596,16 @@ void LLPumpIO::pump(const S32& poll_timeout)
 //						<< (*run_chain).mChainLinks[0].mPipe
 //						<< " because we reached the end." << llendl;
 #endif
-				run_chain = mRunningChains.erase(run_chain);
+				run_chain = removeRunningChain(run_chain);
 				continue;
 			}
 		}
+		else if(isChainExpired(*run_chain))
+		{
+			run_chain = removeRunningChain(run_chain);
+			continue;
+		}
+
 		PUMP_DEBUG;
 		if((*run_chain).mLock)
 		{
@@ -696,11 +713,7 @@ void LLPumpIO::pump(const S32& poll_timeout)
 			PUMP_DEBUG;
 			// This chain is done. Clean up any allocated memory and
 			// erase the chain info.
-			std::for_each(
-				(*run_chain).mDescriptors.begin(),
-				(*run_chain).mDescriptors.end(),
-				ll_delete_apr_pollset_fd_client_data());
-			run_chain = mRunningChains.erase(run_chain);
+			run_chain = removeRunningChain(run_chain);
 
 			// *NOTE: may not always need to rebuild the pollset.
 			mRebuildPollset = true;
@@ -1095,6 +1108,24 @@ void LLPumpIO::processChain(LLChainInfo& chain)
 	PUMP_DEBUG;
 }
 
+bool LLPumpIO::isChainExpired(LLChainInfo& chain)
+{
+	if(!chain.mHasCurlRequest)
+	{
+		return false ;
+	}
+
+	for(links_t::iterator iter = chain.mChainLinks.begin(); iter != chain.mChainLinks.end(); ++iter)
+	{
+		if(!(*iter).mPipe->isValid())
+		{
+			return true ;
+		}
+	}
+
+	return false ;
+}
+
 bool LLPumpIO::handleChainError(
 	LLChainInfo& chain,
 	LLIOPipe::EStatus error)
@@ -1136,6 +1167,9 @@ bool LLPumpIO::handleChainError(
 #endif
 			keep_going = false;
 			break;
+		case LLIOPipe::STATUS_EXPIRED:
+			keep_going = false;
+			break ;
 		default:
 			if(LLIOPipe::isSuccess(error))
 			{
@@ -1157,7 +1191,8 @@ bool LLPumpIO::handleChainError(
 LLPumpIO::LLChainInfo::LLChainInfo() :
 	mInit(false),
 	mLock(0),
-	mEOS(false)
+	mEOS(false),
+	mHasCurlRequest(false)
 {
 	LLMemType m1(LLMemType::MTYPE_IO_PUMP);
 	mTimer.setTimerExpirySec(DEFAULT_CHAIN_EXPIRY_SECS);
diff --git a/indra/llmessage/llpumpio.h b/indra/llmessage/llpumpio.h
index 9303c9d7fc..d2c5d37571 100644
--- a/indra/llmessage/llpumpio.h
+++ b/indra/llmessage/llpumpio.h
@@ -111,9 +111,10 @@ public:
 	 * @param chain The pipes for the chain
 	 * @param timeout The number of seconds in the future to
 	 * expire. Pass in 0.0f to never expire.
+	 * @param has_curl_request The chain contains LLURLRequest if true.
 	 * @return Returns true if anything was added to the pump.
 	 */
-	bool addChain(const chain_t& chain, F32 timeout);
+	bool addChain(const chain_t& chain, F32 timeout, bool has_curl_request = false);
 	
 	/** 
 	 * @brief Struct to associate a pipe with it's buffer io indexes.
@@ -356,12 +357,13 @@ protected:
 
 		// basic member data
 		bool mInit;
+		bool mEOS;
+		bool mHasCurlRequest;
 		S32 mLock;
 		LLFrameTimer mTimer;
 		links_t::iterator mHead;
 		links_t mChainLinks;
-		LLIOPipe::buffer_ptr_t mData;
-		bool mEOS;
+		LLIOPipe::buffer_ptr_t mData;		
 		LLSD mContext;
 
 		// tracking inside the pump
@@ -402,7 +404,7 @@ protected:
 protected:
 	void initialize(apr_pool_t* pool);
 	void cleanup();
-
+	current_chain_t removeRunningChain(current_chain_t& chain) ;
 	/** 
 	 * @brief Given the internal state of the chains, rebuild the pollset
 	 * @see setConditional()
@@ -429,6 +431,9 @@ protected:
 	 */
 	bool handleChainError(LLChainInfo& chain, LLIOPipe::EStatus error);
 
+	//if the chain is expired, remove it
+	bool isChainExpired(LLChainInfo& chain) ;
+
 public:
 	/** 
 	 * @brief Return number of running chains.
diff --git a/indra/llmessage/llsdrpcclient.h b/indra/llmessage/llsdrpcclient.h
index 9fb49a5c33..0cecf4f688 100644
--- a/indra/llmessage/llsdrpcclient.h
+++ b/indra/llmessage/llsdrpcclient.h
@@ -240,9 +240,16 @@ public:
 	virtual bool build(LLPumpIO::chain_t& chain, LLSD context) const
 	{
 		lldebugs << "LLSDRPCClientFactory::build" << llendl;
-		LLIOPipe::ptr_t service(new Client);
-		chain.push_back(service);
 		LLURLRequest* http(new LLURLRequest(LLURLRequest::HTTP_POST));
+		if(!http->isValid())
+		{
+			llwarns << "Creating LLURLRequest failed." << llendl ;
+			delete http;
+			return false;
+		}
+
+		LLIOPipe::ptr_t service(new Client);
+		chain.push_back(service);		
 		LLIOPipe::ptr_t http_pipe(http);
 		http->addHeader("Content-Type: text/llsd");
 		if(mURL.empty())
@@ -283,9 +290,16 @@ public:
 	virtual bool build(LLPumpIO::chain_t& chain, LLSD context) const
 	{
 		lldebugs << "LLXMLSDRPCClientFactory::build" << llendl;
-		LLIOPipe::ptr_t service(new Client);
-		chain.push_back(service);
+
 		LLURLRequest* http(new LLURLRequest(LLURLRequest::HTTP_POST));
+		if(!http->isValid())
+		{
+			llwarns << "Creating LLURLRequest failed." << llendl ;
+			delete http;
+			return false ;
+		}
+		LLIOPipe::ptr_t service(new Client);
+		chain.push_back(service);		
 		LLIOPipe::ptr_t http_pipe(http);
 		http->addHeader("Content-Type: text/xml");
 		if(mURL.empty())
diff --git a/indra/llmessage/llurlrequest.cpp b/indra/llmessage/llurlrequest.cpp
index 261e57e79e..a16f5c7bf0 100644
--- a/indra/llmessage/llurlrequest.cpp
+++ b/indra/llmessage/llurlrequest.cpp
@@ -83,6 +83,12 @@ LLURLRequestDetail::LLURLRequestDetail() :
 {
 	LLMemType m1(LLMemType::MTYPE_IO_URL_REQUEST);
 	mCurlRequest = new LLCurlEasyRequest();
+	
+	if(!mCurlRequest->isValid()) //failed.
+	{
+		delete mCurlRequest ;
+		mCurlRequest = NULL ;
+	}
 }
 
 LLURLRequestDetail::~LLURLRequestDetail()
@@ -250,12 +256,24 @@ void LLURLRequest::allowCookies()
 	mDetail->mCurlRequest->setoptString(CURLOPT_COOKIEFILE, "");
 }
 
+//virtual 
+bool LLURLRequest::isValid() 
+{
+	return mDetail->mCurlRequest && mDetail->mCurlRequest->isValid(); 
+}
+
 // virtual
 LLIOPipe::EStatus LLURLRequest::handleError(
 	LLIOPipe::EStatus status,
 	LLPumpIO* pump)
 {
 	LLMemType m1(LLMemType::MTYPE_IO_URL_REQUEST);
+	
+	if(!isValid())
+	{
+		return STATUS_EXPIRED ;
+	}
+
 	if(mCompletionCallback && pump)
 	{
 		LLURLRequestComplete* complete = NULL;
@@ -441,6 +459,12 @@ void LLURLRequest::initialize()
 	LLMemType m1(LLMemType::MTYPE_IO_URL_REQUEST);
 	mState = STATE_INITIALIZED;
 	mDetail = new LLURLRequestDetail;
+
+	if(!isValid())
+	{
+		return ;
+	}
+
 	mDetail->mCurlRequest->setopt(CURLOPT_NOSIGNAL, 1);
 	mDetail->mCurlRequest->setWriteCallback(&downCallback, (void*)this);
 	mDetail->mCurlRequest->setReadCallback(&upCallback, (void*)this);
diff --git a/indra/llmessage/llurlrequest.h b/indra/llmessage/llurlrequest.h
index ec5c2c1941..44d358d906 100644
--- a/indra/llmessage/llurlrequest.h
+++ b/indra/llmessage/llurlrequest.h
@@ -188,6 +188,8 @@ public:
 	 */
 	void allowCookies();
 
+	/*virtual*/ bool isValid() ;
+
 public:
 	/** 
 	 * @brief Give this pipe a chance to handle a generated error
diff --git a/indra/llrender/llrender.cpp b/indra/llrender/llrender.cpp
index cd827f5091..b0ddacbb05 100644
--- a/indra/llrender/llrender.cpp
+++ b/indra/llrender/llrender.cpp
@@ -997,7 +997,7 @@ void LLLightState::setSpotDirection(const LLVector3& direction)
 		const glh::matrix4f& mat = gGL.getModelviewMatrix();
 		mat.mult_matrix_dir(dir);
 
-		mSpotDirection.set(direction);
+		mSpotDirection.set(dir.v);
 	}
 }
 
@@ -1434,6 +1434,8 @@ void LLRender::loadIdentity()
 	flush();
 
 	{
+		llassert_always(mMatrixMode < NUM_MATRIX_MODES) ;
+
 		mMatrix[mMatrixMode][mMatIdx[mMatrixMode]].make_identity();
 		mMatHash[mMatrixMode]++;
 	}
diff --git a/indra/llrender/llvertexbuffer.cpp b/indra/llrender/llvertexbuffer.cpp
index 20a450fbfb..eb302392bb 100644
--- a/indra/llrender/llvertexbuffer.cpp
+++ b/indra/llrender/llvertexbuffer.cpp
@@ -148,7 +148,7 @@ U32 wpo2(U32 i)
 	return r;
 }
 
-U8* LLVBOPool::allocate(U32& name, U32 size)
+volatile U8* LLVBOPool::allocate(U32& name, U32 size)
 {
 	llassert(nhpo2(size) == size);
 
@@ -159,20 +159,25 @@ U8* LLVBOPool::allocate(U32& name, U32 size)
 		mFreeList.resize(i+1);
 	}
 
-	U8* ret = NULL;
+	volatile U8* ret = NULL;
 
 	if (mFreeList[i].empty())
 	{
 		//make a new buffer
 		glGenBuffersARB(1, &name);
 		glBindBufferARB(mType, name);
-		glBufferDataARB(mType, size, 0, mUsage);
 		LLVertexBuffer::sAllocatedBytes += size;
 
-		if (LLVertexBuffer::sDisableVBOMapping)
+		if (LLVertexBuffer::sDisableVBOMapping || mUsage != GL_DYNAMIC_DRAW_ARB)
 		{
+			glBufferDataARB(mType, size, 0, mUsage);
 			ret = (U8*) ll_aligned_malloc_16(size);
 		}
+		else
+		{ //always use a true hint of static draw when allocating non-client-backed buffers
+			glBufferDataARB(mType, size, 0, GL_STATIC_DRAW_ARB);
+		}
+
 		glBindBufferARB(mType, 0);
 	}
 	else
@@ -188,7 +193,7 @@ U8* LLVBOPool::allocate(U32& name, U32 size)
 	return ret;
 }
 
-void LLVBOPool::release(U32 name, U8* buffer, U32 size)
+void LLVBOPool::release(U32 name, volatile U8* buffer, U32 size)
 {
 	llassert(nhpo2(size) == size);
 
@@ -201,8 +206,15 @@ void LLVBOPool::release(U32 name, U8* buffer, U32 size)
 	rec.mClientData = buffer;
 
 	sBytesPooled += size;
-
-	mFreeList[i].push_back(rec);
+	
+	if (!LLVertexBuffer::sDisableVBOMapping && mUsage == GL_DYNAMIC_DRAW_ARB)
+	{
+		glDeleteBuffersARB(1, &rec.mGLName);
+	}
+	else
+	{
+		mFreeList[i].push_back(rec);
+	}
 }
 
 void LLVBOPool::cleanup()
@@ -221,7 +233,7 @@ void LLVBOPool::cleanup()
 
 			if (r.mClientData)
 			{
-				ll_aligned_free_16(r.mClientData);
+				ll_aligned_free_16((void*) r.mClientData);
 			}
 
 			l.pop_front();
@@ -536,7 +548,7 @@ void LLVertexBuffer::validateRange(U32 start, U32 end, U32 count, U32 indices_of
 void LLVertexBuffer::drawRange(U32 mode, U32 start, U32 end, U32 count, U32 indices_offset) const
 {
 	validateRange(start, end, count, indices_offset);
-
+	mMappable = FALSE;
 	gGL.syncMatrices();
 
 	llassert(mNumVerts >= 0);
@@ -591,7 +603,7 @@ void LLVertexBuffer::drawRange(U32 mode, U32 start, U32 end, U32 count, U32 indi
 void LLVertexBuffer::draw(U32 mode, U32 count, U32 indices_offset) const
 {
 	llassert(!LLGLSLShader::sNoFixedFunction || LLGLSLShader::sCurBoundShaderPtr != NULL);
-
+	mMappable = FALSE;
 	gGL.syncMatrices();
 
 	llassert(mNumIndices >= 0);
@@ -637,7 +649,7 @@ void LLVertexBuffer::draw(U32 mode, U32 count, U32 indices_offset) const
 void LLVertexBuffer::drawArrays(U32 mode, U32 first, U32 count) const
 {
 	llassert(!LLGLSLShader::sNoFixedFunction || LLGLSLShader::sCurBoundShaderPtr != NULL);
-	
+	mMappable = FALSE;
 	gGL.syncMatrices();
 	
 	llassert(mNumVerts >= 0);
@@ -787,9 +799,26 @@ LLVertexBuffer::LLVertexBuffer(U32 typemask, S32 usage) :
 
 	if (mUsage && mUsage != GL_STREAM_DRAW_ARB)
 	{ //only stream_draw and dynamic_draw are supported when using VBOs, dynamic draw is the default
-		mUsage = GL_DYNAMIC_DRAW_ARB;
+		if (sDisableVBOMapping)
+		{ //always use stream draw if VBO mapping is disabled
+			mUsage = GL_STREAM_DRAW_ARB;
+		}
+		else
+		{
+			mUsage = GL_DYNAMIC_DRAW_ARB;
+		}
 	}
-		
+	
+
+	if (mUsage == GL_DYNAMIC_DRAW_ARB && !sDisableVBOMapping)
+	{
+		mMappable = TRUE;
+	}
+	else
+	{
+		mMappable = FALSE;
+	}
+
 	//zero out offsets
 	for (U32 i = 0; i < TYPE_MAX; i++)
 	{
@@ -1042,7 +1071,7 @@ void LLVertexBuffer::destroyGLBuffer()
 		}
 		else
 		{
-			FREE_MEM(sPrivatePoolp, mMappedData) ;
+			FREE_MEM(sPrivatePoolp, (void*) mMappedData) ;
 			mMappedData = NULL;
 			mEmpty = TRUE;
 		}
@@ -1063,7 +1092,7 @@ void LLVertexBuffer::destroyGLIndices()
 		}
 		else
 		{
-			FREE_MEM(sPrivatePoolp, mMappedIndexData) ;
+			FREE_MEM(sPrivatePoolp, (void*) mMappedIndexData) ;
 			mMappedIndexData = NULL;
 			mEmpty = TRUE;
 		}
@@ -1282,8 +1311,11 @@ bool expand_region(LLVertexBuffer::MappedRegion& region, S32 index, S32 count)
 	return true;
 }
 
+static LLFastTimer::DeclareTimer FTM_VBO_MAP_BUFFER_RANGE("VBO Map Range");
+static LLFastTimer::DeclareTimer FTM_VBO_MAP_BUFFER("VBO Map");
+
 // Map for data access
-U8* LLVertexBuffer::mapVertexBuffer(S32 type, S32 index, S32 count, bool map_range)
+volatile U8* LLVertexBuffer::mapVertexBuffer(S32 type, S32 index, S32 count, bool map_range)
 {
 	bindGLBuffer(true);
 	LLMemType mt2(LLMemType::MTYPE_VERTEX_MAP_BUFFER);
@@ -1298,7 +1330,7 @@ U8* LLVertexBuffer::mapVertexBuffer(S32 type, S32 index, S32 count, bool map_ran
 		
 	if (useVBOs())
 	{
-		if (sDisableVBOMapping || gGLManager.mHasMapBufferRange || gGLManager.mHasFlushBufferRange)
+		if (!mMappable || gGLManager.mHasMapBufferRange || gGLManager.mHasFlushBufferRange)
 		{
 			if (count == -1)
 			{
@@ -1323,7 +1355,7 @@ U8* LLVertexBuffer::mapVertexBuffer(S32 type, S32 index, S32 count, bool map_ran
 			if (!mapped)
 			{
 				//not already mapped, map new region
-				MappedRegion region(type, !sDisableVBOMapping && map_range ? -1 : index, count);
+				MappedRegion region(type, mMappable && map_range ? -1 : index, count);
 				mMappedVertexRegions.push_back(region);
 			}
 		}
@@ -1340,19 +1372,20 @@ U8* LLVertexBuffer::mapVertexBuffer(S32 type, S32 index, S32 count, bool map_ran
 			sMappedCount++;
 			stop_glerror();	
 
-			if(sDisableVBOMapping)
+			if(!mMappable)
 			{
 				map_range = false;
 			}
 			else
 			{
-				U8* src = NULL;
+				volatile U8* src = NULL;
 				waitFence();
 				if (gGLManager.mHasMapBufferRange)
 				{
 					if (map_range)
 					{
 #ifdef GL_ARB_map_buffer_range
+						LLFastTimer t(FTM_VBO_MAP_BUFFER_RANGE);
 						S32 offset = mOffsets[type] + sTypeSize[type]*index;
 						S32 length = (sTypeSize[type]*count+0xF) & ~0xF;
 						src = (U8*) glMapBufferRange(GL_ARRAY_BUFFER_ARB, offset, length, 
@@ -1376,6 +1409,7 @@ U8* LLVertexBuffer::mapVertexBuffer(S32 type, S32 index, S32 count, bool map_ran
 							}
 						}
 
+						LLFastTimer t(FTM_VBO_MAP_BUFFER);
 						src = (U8*) glMapBufferRange(GL_ARRAY_BUFFER_ARB, 0, mSize, 
 							GL_MAP_WRITE_BIT | 
 							GL_MAP_FLUSH_EXPLICIT_BIT);
@@ -1403,7 +1437,7 @@ U8* LLVertexBuffer::mapVertexBuffer(S32 type, S32 index, S32 count, bool map_ran
 
 				llassert(src != NULL);
 
-				mMappedData = LL_NEXT_ALIGNED_ADDRESS<U8>(src);
+				mMappedData = LL_NEXT_ALIGNED_ADDRESS<volatile U8>(src);
 				mAlignedOffset = mMappedData - src;
 			
 				stop_glerror();
@@ -1416,7 +1450,7 @@ U8* LLVertexBuffer::mapVertexBuffer(S32 type, S32 index, S32 count, bool map_ran
 			//check the availability of memory
 			LLMemory::logMemoryInfo(TRUE) ; 
 			
-				if(!sDisableVBOMapping)
+				if(mMappable)
 				{			
 					//--------------------
 					//print out more debug info before crash
@@ -1448,7 +1482,7 @@ U8* LLVertexBuffer::mapVertexBuffer(S32 type, S32 index, S32 count, bool map_ran
 		map_range = false;
 	}
 	
-	if (map_range && gGLManager.mHasMapBufferRange && !sDisableVBOMapping)
+	if (map_range && gGLManager.mHasMapBufferRange && mMappable)
 	{
 		return mMappedData;
 	}
@@ -1458,7 +1492,11 @@ U8* LLVertexBuffer::mapVertexBuffer(S32 type, S32 index, S32 count, bool map_ran
 	}
 }
 
-U8* LLVertexBuffer::mapIndexBuffer(S32 index, S32 count, bool map_range)
+
+static LLFastTimer::DeclareTimer FTM_VBO_MAP_INDEX_RANGE("IBO Map Range");
+static LLFastTimer::DeclareTimer FTM_VBO_MAP_INDEX("IBO Map");
+
+volatile U8* LLVertexBuffer::mapIndexBuffer(S32 index, S32 count, bool map_range)
 {
 	LLMemType mt2(LLMemType::MTYPE_VERTEX_MAP_BUFFER);
 	bindGLIndices(true);
@@ -1473,7 +1511,7 @@ U8* LLVertexBuffer::mapIndexBuffer(S32 index, S32 count, bool map_range)
 
 	if (useVBOs())
 	{
-		if (sDisableVBOMapping || gGLManager.mHasMapBufferRange || gGLManager.mHasFlushBufferRange)
+		if (!mMappable || gGLManager.mHasMapBufferRange || gGLManager.mHasFlushBufferRange)
 		{
 			if (count == -1)
 			{
@@ -1495,7 +1533,7 @@ U8* LLVertexBuffer::mapIndexBuffer(S32 index, S32 count, bool map_range)
 			if (!mapped)
 			{
 				//not already mapped, map new region
-				MappedRegion region(TYPE_INDEX, !sDisableVBOMapping && map_range ? -1 : index, count);
+				MappedRegion region(TYPE_INDEX, mMappable && map_range ? -1 : index, count);
 				mMappedIndexRegions.push_back(region);
 			}
 		}
@@ -1524,19 +1562,20 @@ U8* LLVertexBuffer::mapIndexBuffer(S32 index, S32 count, bool map_range)
 				}
 			}
 
-			if(sDisableVBOMapping)
+			if(!mMappable)
 			{
 				map_range = false;
 			}
 			else
 			{
-				U8* src = NULL;
+				volatile U8* src = NULL;
 				waitFence();
 				if (gGLManager.mHasMapBufferRange)
 				{
 					if (map_range)
 					{
 #ifdef GL_ARB_map_buffer_range
+						LLFastTimer t(FTM_VBO_MAP_INDEX_RANGE);
 						S32 offset = sizeof(U16)*index;
 						S32 length = sizeof(U16)*count;
 						src = (U8*) glMapBufferRange(GL_ELEMENT_ARRAY_BUFFER_ARB, offset, length, 
@@ -1548,6 +1587,7 @@ U8* LLVertexBuffer::mapIndexBuffer(S32 index, S32 count, bool map_range)
 					else
 					{
 #ifdef GL_ARB_map_buffer_range
+						LLFastTimer t(FTM_VBO_MAP_INDEX);
 						src = (U8*) glMapBufferRange(GL_ELEMENT_ARRAY_BUFFER_ARB, 0, sizeof(U16)*mNumIndices, 
 							GL_MAP_WRITE_BIT | 
 							GL_MAP_FLUSH_EXPLICIT_BIT);
@@ -1569,6 +1609,7 @@ U8* LLVertexBuffer::mapIndexBuffer(S32 index, S32 count, bool map_range)
 				}
 				else
 				{
+					LLFastTimer t(FTM_VBO_MAP_INDEX);
 					map_range = false;
 					src = (U8*) glMapBufferARB(GL_ELEMENT_ARRAY_BUFFER_ARB, GL_WRITE_ONLY_ARB);
 				}
@@ -1587,7 +1628,7 @@ U8* LLVertexBuffer::mapIndexBuffer(S32 index, S32 count, bool map_range)
 			log_glerror();
 			LLMemory::logMemoryInfo(TRUE) ;
 
-			if(!sDisableVBOMapping)
+			if(mMappable)
 			{
 				GLint buff;
 				glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING_ARB, &buff);
@@ -1609,7 +1650,7 @@ U8* LLVertexBuffer::mapIndexBuffer(S32 index, S32 count, bool map_range)
 		map_range = false;
 	}
 
-	if (map_range && gGLManager.mHasMapBufferRange && !sDisableVBOMapping)
+	if (map_range && gGLManager.mHasMapBufferRange && mMappable)
 	{
 		return mMappedIndexData;
 	}
@@ -1619,6 +1660,13 @@ U8* LLVertexBuffer::mapIndexBuffer(S32 index, S32 count, bool map_range)
 	}
 }
 
+static LLFastTimer::DeclareTimer FTM_VBO_UNMAP("VBO Unmap");
+static LLFastTimer::DeclareTimer FTM_VBO_FLUSH_RANGE("Flush VBO Range");
+
+
+static LLFastTimer::DeclareTimer FTM_IBO_UNMAP("IBO Unmap");
+static LLFastTimer::DeclareTimer FTM_IBO_FLUSH_RANGE("Flush IBO Range");
+
 void LLVertexBuffer::unmapBuffer()
 {
 	LLMemType mt2(LLMemType::MTYPE_VERTEX_UNMAP_BUFFER);
@@ -1631,10 +1679,11 @@ void LLVertexBuffer::unmapBuffer()
 
 	if (mMappedData && mVertexLocked)
 	{
+		LLFastTimer t(FTM_VBO_UNMAP);
 		bindGLBuffer(true);
 		updated_all = mIndexLocked; //both vertex and index buffers done updating
 
-		if(sDisableVBOMapping)
+		if(!mMappable)
 		{
 			if (!mMappedVertexRegions.empty())
 			{
@@ -1644,7 +1693,7 @@ void LLVertexBuffer::unmapBuffer()
 					const MappedRegion& region = mMappedVertexRegions[i];
 					S32 offset = region.mIndex >= 0 ? mOffsets[region.mType]+sTypeSize[region.mType]*region.mIndex : 0;
 					S32 length = sTypeSize[region.mType]*region.mCount;
-					glBufferSubDataARB(GL_ARRAY_BUFFER_ARB, offset, length, mMappedData+offset);
+					glBufferSubDataARB(GL_ARRAY_BUFFER_ARB, offset, length, (U8*) mMappedData+offset);
 					stop_glerror();
 				}
 
@@ -1653,7 +1702,7 @@ void LLVertexBuffer::unmapBuffer()
 			else
 			{
 				stop_glerror();
-				glBufferSubDataARB(GL_ARRAY_BUFFER_ARB, 0, getSize(), mMappedData);
+				glBufferSubDataARB(GL_ARRAY_BUFFER_ARB, 0, getSize(), (U8*) mMappedData);
 				stop_glerror();
 			}
 		}
@@ -1671,6 +1720,7 @@ void LLVertexBuffer::unmapBuffer()
 						S32 length = sTypeSize[region.mType]*region.mCount;
 						if (gGLManager.mHasMapBufferRange)
 						{
+							LLFastTimer t(FTM_VBO_FLUSH_RANGE);
 #ifdef GL_ARB_map_buffer_range
 							glFlushMappedBufferRange(GL_ARRAY_BUFFER_ARB, offset, length);
 #endif
@@ -1698,8 +1748,9 @@ void LLVertexBuffer::unmapBuffer()
 	
 	if (mMappedIndexData && mIndexLocked)
 	{
+		LLFastTimer t(FTM_IBO_UNMAP);
 		bindGLIndices();
-		if(sDisableVBOMapping)
+		if(!mMappable)
 		{
 			if (!mMappedIndexRegions.empty())
 			{
@@ -1708,7 +1759,7 @@ void LLVertexBuffer::unmapBuffer()
 					const MappedRegion& region = mMappedIndexRegions[i];
 					S32 offset = region.mIndex >= 0 ? sizeof(U16)*region.mIndex : 0;
 					S32 length = sizeof(U16)*region.mCount;
-					glBufferSubDataARB(GL_ELEMENT_ARRAY_BUFFER_ARB, offset, length, mMappedIndexData+offset);
+					glBufferSubDataARB(GL_ELEMENT_ARRAY_BUFFER_ARB, offset, length, (U8*) mMappedIndexData+offset);
 					stop_glerror();
 				}
 
@@ -1717,7 +1768,7 @@ void LLVertexBuffer::unmapBuffer()
 			else
 			{
 				stop_glerror();
-				glBufferSubDataARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0, getIndicesSize(), mMappedIndexData);
+				glBufferSubDataARB(GL_ELEMENT_ARRAY_BUFFER_ARB, 0, getIndicesSize(), (U8*) mMappedIndexData);
 				stop_glerror();
 			}
 		}
@@ -1734,6 +1785,7 @@ void LLVertexBuffer::unmapBuffer()
 						S32 length = sizeof(U16)*region.mCount;
 						if (gGLManager.mHasMapBufferRange)
 						{
+							LLFastTimer t(FTM_IBO_FLUSH_RANGE);
 #ifdef GL_ARB_map_buffer_range
 							glFlushMappedBufferRange(GL_ELEMENT_ARRAY_BUFFER_ARB, offset, length);
 #endif
@@ -1778,7 +1830,7 @@ template <class T,S32 type> struct VertexBufferStrider
 	{
 		if (type == LLVertexBuffer::TYPE_INDEX)
 		{
-			U8* ptr = vbo.mapIndexBuffer(index, count, map_range);
+			volatile U8* ptr = vbo.mapIndexBuffer(index, count, map_range);
 
 			if (ptr == NULL)
 			{
@@ -1794,7 +1846,7 @@ template <class T,S32 type> struct VertexBufferStrider
 		{
 			S32 stride = LLVertexBuffer::sTypeSize[type];
 
-			U8* ptr = vbo.mapVertexBuffer(type, index, count, map_range);
+			volatile U8* ptr = vbo.mapVertexBuffer(type, index, count, map_range);
 
 			if (ptr == NULL)
 			{
@@ -2109,7 +2161,7 @@ void LLVertexBuffer::setupVertexBuffer(U32 data_mask)
 {
 	LLMemType mt2(LLMemType::MTYPE_VERTEX_SETUP_VERTEX_BUFFER);
 	stop_glerror();
-	U8* base = useVBOs() ? (U8*) mAlignedOffset : mMappedData;
+	volatile U8* base = useVBOs() ? (U8*) mAlignedOffset : mMappedData;
 
 	/*if ((data_mask & mTypeMask) != data_mask)
 	{
diff --git a/indra/llrender/llvertexbuffer.h b/indra/llrender/llvertexbuffer.h
index 3e6f6a959a..e1cbfd3b61 100644
--- a/indra/llrender/llvertexbuffer.h
+++ b/indra/llrender/llvertexbuffer.h
@@ -60,10 +60,10 @@ public:
 	U32 mType;
 
 	//size MUST be a power of 2
-	U8* allocate(U32& name, U32 size);
+	volatile U8* allocate(U32& name, U32 size);
 	
 	//size MUST be the size provided to allocate that returned the given name
-	void release(U32 name, U8* buffer, U32 size);
+	void release(U32 name, volatile U8* buffer, U32 size);
 	
 	//destroy all records in mFreeList
 	void cleanup();
@@ -72,7 +72,7 @@ public:
 	{
 	public:
 		U32 mGLName;
-		U8* mClientData;
+		volatile U8* mClientData;
 	};
 
 	typedef std::list<Record> record_list_t;
@@ -208,8 +208,8 @@ public:
 	LLVertexBuffer(U32 typemask, S32 usage);
 	
 	// map for data access
-	U8*		mapVertexBuffer(S32 type, S32 index, S32 count, bool map_range);
-	U8*		mapIndexBuffer(S32 index, S32 count, bool map_range);
+	volatile U8*		mapVertexBuffer(S32 type, S32 index, S32 count, bool map_range);
+	volatile U8*		mapIndexBuffer(S32 index, S32 count, bool map_range);
 
 	// set for rendering
 	virtual void	setBuffer(U32 data_mask); 	// calls  setupVertexBuffer() if data_mask is not 0
@@ -244,16 +244,17 @@ public:
 	S32 getNumVerts() const					{ return mNumVerts; }
 	S32 getNumIndices() const				{ return mNumIndices; }
 	
-	U8* getIndicesPointer() const			{ return useVBOs() ? (U8*) mAlignedIndexOffset : mMappedIndexData; }
-	U8* getVerticesPointer() const			{ return useVBOs() ? (U8*) mAlignedOffset : mMappedData; }
+	volatile U8* getIndicesPointer() const			{ return useVBOs() ? (U8*) mAlignedIndexOffset : mMappedIndexData; }
+	volatile U8* getVerticesPointer() const			{ return useVBOs() ? (U8*) mAlignedOffset : mMappedData; }
 	U32 getTypeMask() const					{ return mTypeMask; }
 	bool hasDataType(S32 type) const		{ return ((1 << type) & getTypeMask()); }
 	S32 getSize() const;
 	S32 getIndicesSize() const				{ return mIndicesSize; }
-	U8* getMappedData() const				{ return mMappedData; }
-	U8* getMappedIndices() const			{ return mMappedIndexData; }
+	volatile U8* getMappedData() const				{ return mMappedData; }
+	volatile U8* getMappedIndices() const			{ return mMappedIndexData; }
 	S32 getOffset(S32 type) const			{ return mOffsets[type]; }
 	S32 getUsage() const					{ return mUsage; }
+	BOOL isWriteable() const				{ return (mMappable || mUsage == GL_STREAM_DRAW_ARB) ? TRUE : FALSE; }
 
 	void draw(U32 mode, U32 count, U32 indices_offset) const;
 	void drawArrays(U32 mode, U32 offset, U32 count) const;
@@ -278,12 +279,13 @@ protected:
 	U32		mGLIndices;		// GL IBO handle
 	U32		mGLArray;		// GL VAO handle
 	
-	U8*		mMappedData;	// pointer to currently mapped data (NULL if unmapped)
-	U8*		mMappedIndexData;	// pointer to currently mapped indices (NULL if unmapped)
+	volatile U8* mMappedData;	// pointer to currently mapped data (NULL if unmapped)
+	volatile U8* mMappedIndexData;	// pointer to currently mapped indices (NULL if unmapped)
 	BOOL	mVertexLocked;			// if TRUE, vertex buffer is being or has been written to in client memory
 	BOOL	mIndexLocked;			// if TRUE, index buffer is being or has been written to in client memory
 	BOOL	mFinal;			// if TRUE, buffer can not be mapped again
 	BOOL	mEmpty;			// if TRUE, client buffer is empty (or NULL). Old values have been discarded.	
+	mutable BOOL	mMappable;     // if TRUE, use memory mapping to upload data (otherwise doublebuffer and use glBufferSubData)
 	S32		mOffsets[TYPE_MAX];
 
 	std::vector<MappedRegion> mMappedVertexRegions;
diff --git a/indra/newview/app_settings/settings.xml b/indra/newview/app_settings/settings.xml
index 62b8052a50..ee8c15752b 100644
--- a/indra/newview/app_settings/settings.xml
+++ b/indra/newview/app_settings/settings.xml
@@ -1828,6 +1828,28 @@
       <key>Value</key>
       <integer>0</integer>
     </map>
+  <key>CurlMaximumNumberOfHandles</key>
+  <map>
+    <key>Comment</key>
+    <string>Maximum number of handles curl can use (requires restart)</string>
+    <key>Persist</key>
+    <integer>1</integer>
+    <key>Type</key>
+    <string>S32</string>
+    <key>Value</key>
+    <integer>256</integer>
+  </map>
+  <key>CurlRequestTimeOut</key>
+  <map>
+    <key>Comment</key>
+    <string>Max idle time of a curl request before killed (requires restart)</string>
+    <key>Persist</key>
+    <integer>1</integer>
+    <key>Type</key>
+    <string>F32</string>
+    <key>Value</key>
+    <real>120.0</real>
+  </map>
   <key>CurlUseMultipleThreads</key>
   <map>
     <key>Comment</key>
@@ -9068,6 +9090,28 @@
       <key>Value</key>
       <integer>1</integer>
     </map>
+  <key>RenderAutoMuteByteLimit</key>
+  <map>
+    <key>Comment</key>
+    <string>Maximum bytes of attachments before an avatar is automatically visually muted (0 for no limit).</string>
+    <key>Persist</key>
+    <integer>1</integer>
+    <key>Type</key>
+    <string>U32</string>
+    <key>Value</key>
+    <integer>0</integer>
+  </map>
+  <key>RenderAutoMuteSurfaceAreaLimit</key>
+  <map>
+    <key>Comment</key>
+    <string>Maximum surface area of attachments before an avatar is automatically visually muted (0 for no limit).</string>
+    <key>Persist</key>
+    <integer>1</integer>
+    <key>Type</key>
+    <string>F32</string>
+    <key>Value</key>
+    <integer>0</integer>
+  </map>
     <key>RenderUseShaderLOD</key>
     <map>
       <key>Comment</key>
diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaSkinnedV.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaSkinnedV.glsl
index 0170ad4b55..40b0cf47ac 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/alphaSkinnedV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/alphaSkinnedV.glsl
@@ -61,17 +61,17 @@ float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, floa
 	vec3 lv = lp.xyz-v;
 	
 	//get distance
-	float d = length(lv);
+	float d = dot(lv,lv);
 	
 	float da = 0.0;
 
 	if (d > 0.0 && la > 0.0 && fa > 0.0)
 	{
 		//normalize light vector
-		lv *= 1.0/d;
+		lv = normalize(lv);
 	
 		//distance attenuation
-		float dist2 = d*d/(la*la);
+		float dist2 = d/la;
 		da = clamp(1.0-(dist2-1.0*(1.0-fa))/fa, 0.0, 1.0);
 
 		// spotlight coefficient.
@@ -79,7 +79,7 @@ float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, floa
 		da *= spot*spot; // GL_SPOT_EXPONENT=2
 
 		//angular attenuation
-		da *= calcDirectionalLight(n, lv);
+		da *= max(dot(n, lv), 0.0);		
 	}
 
 	return da;	
diff --git a/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl b/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl
index 93b1a114db..8c96d55342 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/alphaV.glsl
@@ -70,17 +70,17 @@ float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, floa
 	vec3 lv = lp.xyz-v;
 	
 	//get distance
-	float d = length(lv);
+	float d = dot(lv,lv);
 	
 	float da = 0.0;
 
 	if (d > 0.0 && la > 0.0 && fa > 0.0)
 	{
 		//normalize light vector
-		lv *= 1.0/d;
+		lv = normalize(lv);
 	
 		//distance attenuation
-		float dist2 = d*d/(la*la);
+		float dist2 = d/la;
 		da = clamp(1.0-(dist2-1.0*(1.0-fa))/fa, 0.0, 1.0);
 
 		// spotlight coefficient.
@@ -88,7 +88,7 @@ float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, floa
 		da *= spot*spot; // GL_SPOT_EXPONENT=2
 
 		//angular attenuation
-		da *= calcDirectionalLight(n, lv);
+		da *= max(dot(n, lv), 0.0);		
 	}
 
 	return da;	
@@ -123,7 +123,6 @@ void main()
 	col.rgb += light_diffuse[7].rgb*calcPointLightOrSpotLight(pos.xyz, norm, light_position[7], light_direction[7], light_attenuation[7].x, light_attenuation[7].y, light_attenuation[7].z);
 	
 	vary_pointlight_col = col.rgb*diffuse_color.rgb;
-
 	col.rgb = vec3(0,0,0);
 
 	// Add windlight lights
diff --git a/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaV.glsl b/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaV.glsl
index d7b90978ba..c0edddc40a 100644
--- a/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaV.glsl
+++ b/indra/newview/app_settings/shaders/class1/deferred/avatarAlphaV.glsl
@@ -65,17 +65,17 @@ float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, floa
 	vec3 lv = lp.xyz-v;
 	
 	//get distance
-	float d = length(lv);
+	float d = dot(lv,lv);
 	
 	float da = 0.0;
 
 	if (d > 0.0 && la > 0.0 && fa > 0.0)
 	{
 		//normalize light vector
-		lv *= 1.0/d;
+		lv = normalize(lv);
 	
 		//distance attenuation
-		float dist2 = d*d/(la*la);
+		float dist2 = d/la;
 		da = clamp(1.0-(dist2-1.0*(1.0-fa))/fa, 0.0, 1.0);
 
 		// spotlight coefficient.
@@ -83,7 +83,7 @@ float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, floa
 		da *= spot*spot; // GL_SPOT_EXPONENT=2
 
 		//angular attenuation
-		da *= calcDirectionalLight(n, lv);
+		da *= max(dot(n, lv), 0.0);		
 	}
 
 	return da;	
diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaSkinnedV.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaSkinnedV.glsl
index 5a3955ef00..83815b1786 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/alphaSkinnedV.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/alphaSkinnedV.glsl
@@ -63,21 +63,21 @@ uniform vec3 light_diffuse[8];
 
 float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, float fa, float is_pointlight)
 {
-	//get light vector
+//get light vector
 	vec3 lv = lp.xyz-v;
 	
 	//get distance
-	float d = length(lv);
+	float d = dot(lv,lv);
 	
 	float da = 0.0;
 
 	if (d > 0.0 && la > 0.0 && fa > 0.0)
 	{
 		//normalize light vector
-		lv *= 1.0/d;
+		lv = normalize(lv);
 	
 		//distance attenuation
-		float dist2 = d*d/(la*la);
+		float dist2 = d/la;
 		da = clamp(1.0-(dist2-1.0*(1.0-fa))/fa, 0.0, 1.0);
 
 		// spotlight coefficient.
@@ -85,7 +85,7 @@ float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, floa
 		da *= spot*spot; // GL_SPOT_EXPONENT=2
 
 		//angular attenuation
-		da *= calcDirectionalLight(n, lv);
+		da *= max(dot(n, lv), 0.0);		
 	}
 
 	return da;	
diff --git a/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl b/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl
index 9540ddd2e8..1660f9687e 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/alphaV.glsl
@@ -69,17 +69,17 @@ float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, floa
 	vec3 lv = lp.xyz-v;
 	
 	//get distance
-	float d = length(lv);
+	float d = dot(lv,lv);
 	
 	float da = 0.0;
 
 	if (d > 0.0 && la > 0.0 && fa > 0.0)
 	{
 		//normalize light vector
-		lv *= 1.0/d;
+		lv = normalize(lv);
 	
 		//distance attenuation
-		float dist2 = d*d/(la*la);
+		float dist2 = d/la;
 		da = clamp(1.0-(dist2-1.0*(1.0-fa))/fa, 0.0, 1.0);
 
 		// spotlight coefficient.
@@ -87,7 +87,7 @@ float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, floa
 		da *= spot*spot; // GL_SPOT_EXPONENT=2
 
 		//angular attenuation
-		da *= calcDirectionalLight(n, lv);
+		da *= max(dot(n, lv), 0.0);		
 	}
 
 	return da;	
diff --git a/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl b/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl
index 9c7a332417..84c27edb26 100644
--- a/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl
+++ b/indra/newview/app_settings/shaders/class2/deferred/avatarAlphaV.glsl
@@ -66,17 +66,17 @@ float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, floa
 	vec3 lv = lp.xyz-v;
 	
 	//get distance
-	float d = length(lv);
+	float d = dot(lv,lv);
 	
 	float da = 0.0;
 
 	if (d > 0.0 && la > 0.0 && fa > 0.0)
 	{
 		//normalize light vector
-		lv *= 1.0/d;
+		lv = normalize(lv);
 	
 		//distance attenuation
-		float dist2 = d*d/(la*la);
+		float dist2 = d/la;
 		da = clamp(1.0-(dist2-1.0*(1.0-fa))/fa, 0.0, 1.0);
 
 		// spotlight coefficient.
@@ -84,7 +84,7 @@ float calcPointLightOrSpotLight(vec3 v, vec3 n, vec4 lp, vec3 ln, float la, floa
 		da *= spot*spot; // GL_SPOT_EXPONENT=2
 
 		//angular attenuation
-		da *= calcDirectionalLight(n, lv);
+		da *= max(dot(n, lv), 0.0);		
 	}
 
 	return da;	
diff --git a/indra/newview/llagent.cpp b/indra/newview/llagent.cpp
index 54ad3cd187..ab9b5ff436 100755
--- a/indra/newview/llagent.cpp
+++ b/indra/newview/llagent.cpp
@@ -3314,6 +3314,7 @@ void LLAgent::processAgentCachedTextureResponse(LLMessageSystem *mesgsys, void *
 	}
 
 	llinfos << "Received cached texture response for " << num_results << " textures." << llendl;
+	gAgentAvatarp->outputRezTiming("Fetched agent wearables textures from cache. Will now load them");
 
 	gAgentAvatarp->updateMeshTextures();
 
diff --git a/indra/newview/llagentwearables.cpp b/indra/newview/llagentwearables.cpp
index dd7e509e8d..dd02a74a38 100644
--- a/indra/newview/llagentwearables.cpp
+++ b/indra/newview/llagentwearables.cpp
@@ -185,6 +185,7 @@ void LLAgentWearables::setAvatarObject(LLVOAvatarSelf *avatar)
 { 
 	if (avatar)
 	{
+		avatar->outputRezTiming("Sending wearables request");
 		sendAgentWearablesRequest();
 	}
 }
@@ -818,7 +819,7 @@ void LLAgentWearables::popWearable(const LLWearableType::EType type, U32 index)
 		mWearableDatas[type].erase(mWearableDatas[type].begin() + index);
 		if (isAgentAvatarValid())
 		{
-			gAgentAvatarp->wearableUpdated(wearable->getType(), TRUE);
+		gAgentAvatarp->wearableUpdated(wearable->getType(), TRUE);
 		}
 		wearable->setLabelUpdated();
 	}
@@ -952,6 +953,11 @@ void LLAgentWearables::processAgentInitialWearablesUpdate(LLMessageSystem* mesgs
 	if (mInitialWearablesUpdateReceived)
 		return;
 
+	if (isAgentAvatarValid())
+	{
+		gAgentAvatarp->outputRezTiming("Received initial wearables update");
+	}
+
 	// notify subscribers that wearables started loading. See EXT-7777
 	// *TODO: find more proper place to not be called from deprecated method.
 	// Seems such place is found: LLInitialWearablesFetch::processContents()
@@ -1622,6 +1628,11 @@ void LLAgentWearables::queryWearableCache()
 	//VWR-22113: gAgent.getRegion() can return null if invalid, seen here on logout
 	if(gAgent.getRegion())
 	{
+		if (isAgentAvatarValid())
+		{
+			gAgentAvatarp->outputRezTiming("Fetching textures from cache");
+		}
+
 		llinfos << "Requesting texture cache entry for " << num_queries << " baked textures" << llendl;
 		gMessageSystem->sendReliable(gAgent.getRegion()->getHost());
 		gAgentQueryManager.mNumPendingQueries++;
diff --git a/indra/newview/llagentwearablesfetch.cpp b/indra/newview/llagentwearablesfetch.cpp
index 1edc96e165..8cba54347e 100644
--- a/indra/newview/llagentwearablesfetch.cpp
+++ b/indra/newview/llagentwearablesfetch.cpp
@@ -87,6 +87,10 @@ public:
 LLInitialWearablesFetch::LLInitialWearablesFetch(const LLUUID& cof_id) :
 	LLInventoryFetchDescendentsObserver(cof_id)
 {
+	if (isAgentAvatarValid())
+	{
+		gAgentAvatarp->outputRezTiming("Initial wearables fetch started");
+	}
 }
 
 LLInitialWearablesFetch::~LLInitialWearablesFetch()
@@ -101,6 +105,10 @@ void LLInitialWearablesFetch::done()
 	// idle tick instead.
 	gInventory.removeObserver(this);
 	doOnIdleOneTime(boost::bind(&LLInitialWearablesFetch::processContents,this));
+	if (isAgentAvatarValid())
+	{
+		gAgentAvatarp->outputRezTiming("Initial wearables fetch done");
+	}
 }
 
 void LLInitialWearablesFetch::add(InitialWearableData &data)
@@ -111,6 +119,12 @@ void LLInitialWearablesFetch::add(InitialWearableData &data)
 
 void LLInitialWearablesFetch::processContents()
 {
+	if(!gAgentAvatarp) //no need to process wearables if the agent avatar is deleted.
+	{
+		delete this;
+		return ;
+	}
+
 	// Fetch the wearable items from the Current Outfit Folder
 	LLInventoryModel::cat_array_t cat_array;
 	LLInventoryModel::item_array_t wearable_array;
diff --git a/indra/newview/llagentwearablesfetch.h b/indra/newview/llagentwearablesfetch.h
index 7dafab4a33..bedc445c0e 100644
--- a/indra/newview/llagentwearablesfetch.h
+++ b/indra/newview/llagentwearablesfetch.h
@@ -40,6 +40,8 @@
 //--------------------------------------------------------------------
 class LLInitialWearablesFetch : public LLInventoryFetchDescendentsObserver
 {
+	LOG_CLASS(LLInitialWearablesFetch);
+
 public:
 	LLInitialWearablesFetch(const LLUUID& cof_id);
 	~LLInitialWearablesFetch();
diff --git a/indra/newview/llappearancemgr.cpp b/indra/newview/llappearancemgr.cpp
index 663257042e..33f5373d7e 100644
--- a/indra/newview/llappearancemgr.cpp
+++ b/indra/newview/llappearancemgr.cpp
@@ -268,6 +268,8 @@ struct LLFoundData
 	
 class LLWearableHoldingPattern
 {
+	LOG_CLASS(LLWearableHoldingPattern);
+
 public:
 	LLWearableHoldingPattern();
 	~LLWearableHoldingPattern();
@@ -436,6 +438,11 @@ void LLWearableHoldingPattern::checkMissingWearables()
 
 void LLWearableHoldingPattern::onAllComplete()
 {
+	if (isAgentAvatarValid())
+	{
+		gAgentAvatarp->outputRezTiming("Agent wearables fetch complete");
+	}
+
 	if (!isMostRecent())
 	{
 		llwarns << "skipping because LLWearableHolding pattern is invalid (superceded by later outfit request)" << llendl;
@@ -2363,6 +2370,8 @@ void LLAppearanceMgr::autopopulateOutfits()
 // Handler for anything that's deferred until avatar de-clouds.
 void LLAppearanceMgr::onFirstFullyVisible()
 {
+	gAgentAvatarp->outputRezTiming("Avatar fully loaded");
+	gAgentAvatarp->reportAvatarRezTime();
 	gAgentAvatarp->debugAvatarVisible();
 
 	// The auto-populate is failing at the point of generating outfits
diff --git a/indra/newview/llappviewer.cpp b/indra/newview/llappviewer.cpp
index a455d359bf..49fbdbf1df 100644
--- a/indra/newview/llappviewer.cpp
+++ b/indra/newview/llappviewer.cpp
@@ -722,7 +722,9 @@ bool LLAppViewer::init()
 
     // *NOTE:Mani - LLCurl::initClass is not thread safe. 
     // Called before threads are created.
-    LLCurl::initClass(gSavedSettings.getBOOL("CurlUseMultipleThreads"));
+    LLCurl::initClass(gSavedSettings.getF32("CurlRequestTimeOut"), 
+						gSavedSettings.getS32("CurlMaximumNumberOfHandles"), 
+						gSavedSettings.getBOOL("CurlUseMultipleThreads"));
 	LL_INFOS("InitInfo") << "LLCurl initialized." << LL_ENDL ;
 
     LLMachineID::init();
diff --git a/indra/newview/lldrawable.cpp b/indra/newview/lldrawable.cpp
index debac9dcbf..21b21c152a 100644
--- a/indra/newview/lldrawable.cpp
+++ b/indra/newview/lldrawable.cpp
@@ -1077,6 +1077,7 @@ BOOL LLDrawable::isVisible() const
 LLSpatialBridge::LLSpatialBridge(LLDrawable* root, BOOL render_by_group, U32 data_mask)
 : LLSpatialPartition(data_mask, render_by_group, GL_STREAM_DRAW_ARB)
 {
+	mBridge = this;
 	mDrawable = root;
 	root->setSpatialBridge(this);
 	
@@ -1105,6 +1106,15 @@ LLSpatialBridge::~LLSpatialBridge()
 	{
 		group->mSpatialPartition->remove(this, group);
 	}
+
+	//delete octree here so listeners will still be able to access bridge specific state
+	destroyTree();
+}
+
+void LLSpatialBridge::destroyTree()
+{
+	delete mOctree;
+	mOctree = NULL;
 }
 
 void LLSpatialBridge::updateSpatialExtents()
diff --git a/indra/newview/lldrawpoolavatar.cpp b/indra/newview/lldrawpoolavatar.cpp
index 55b314fbb1..b002c11af5 100644
--- a/indra/newview/lldrawpoolavatar.cpp
+++ b/indra/newview/lldrawpoolavatar.cpp
@@ -1285,7 +1285,7 @@ void LLDrawPoolAvatar::updateRiggedFaceVertexBuffer(LLVOAvatar* avatar, LLFace*
 		face->setGeomIndex(0);
 		face->setIndicesIndex(0);
 		
-		if (buffer.isNull() || buffer->getTypeMask() != data_mask)
+		if (buffer.isNull() || buffer->getTypeMask() != data_mask || !buffer->isWriteable())
 		{ //make a new buffer
 			if (sShaderLevel > 0)
 			{
@@ -1319,7 +1319,9 @@ void LLDrawPoolAvatar::updateRiggedFaceVertexBuffer(LLVOAvatar* avatar, LLFace*
 		LLMatrix3 mat_normal(mat3);				
 
 		//let getGeometryVolume know if alpha should override shiny
-		if (face->getFaceColor().mV[3] < 1.f)
+		U32 type = gPipeline.getPoolTypeFromTE(face->getTextureEntry(), face->getTexture());
+
+		if (type == LLDrawPool::POOL_ALPHA)
 		{
 			face->setPoolType(LLDrawPool::POOL_ALPHA);
 		}
diff --git a/indra/newview/llface.cpp b/indra/newview/llface.cpp
index 6dbeae6677..cd33a19a2a 100644
--- a/indra/newview/llface.cpp
+++ b/indra/newview/llface.cpp
@@ -693,6 +693,49 @@ static void xform(LLVector2 &tex_coord, F32 cosAng, F32 sinAng, F32 offS, F32 of
 	tex_coord.mV[1] = t;
 }
 
+// Transform the texture coordinates for this face.
+static void xform4a(LLVector4a &tex_coord, const LLVector4a& trans, const LLVector4Logical& mask, const LLVector4a& rot0, const LLVector4a& rot1, const LLVector4a& offset, const LLVector4a& scale) 
+{
+	//tex coord is two coords, <s0, t0, s1, t1>
+	LLVector4a st;
+
+	// Texture transforms are done about the center of the face.
+	st.setAdd(tex_coord, trans);
+	
+	// Handle rotation
+	LLVector4a rot_st;
+		
+	// <s0 * cosAng, s0*-sinAng, s1*cosAng, s1*-sinAng>
+	LLVector4a s0;
+	s0.splat(st, 0);
+	LLVector4a s1;
+	s1.splat(st, 2);
+	LLVector4a ss;
+	ss.setSelectWithMask(mask, s1, s0);
+
+	LLVector4a a; 
+	a.setMul(rot0, ss);
+	
+	// <t0*sinAng, t0*cosAng, t1*sinAng, t1*cosAng>
+	LLVector4a t0;
+	t0.splat(st, 1);
+	LLVector4a t1;
+	t1.splat(st, 3);
+	LLVector4a tt;
+	tt.setSelectWithMask(mask, t1, t0);
+
+	LLVector4a b;
+	b.setMul(rot1, tt);
+		
+	st.setAdd(a,b);
+
+	// Then scale
+	st.mul(scale);
+
+	// Then offset
+	tex_coord.setAdd(st, offset);
+}
+
 
 bool less_than_max_mag(const LLVector4a& vec)
 {
@@ -1060,6 +1103,16 @@ static LLFastTimer::DeclareTimer FTM_FACE_GEOM_EMISSIVE("Emissive");
 static LLFastTimer::DeclareTimer FTM_FACE_GEOM_WEIGHTS("Weights");
 static LLFastTimer::DeclareTimer FTM_FACE_GEOM_BINORMAL("Binormal");
 static LLFastTimer::DeclareTimer FTM_FACE_GEOM_INDEX("Index");
+static LLFastTimer::DeclareTimer FTM_FACE_GEOM_INDEX_TAIL("Tail");
+static LLFastTimer::DeclareTimer FTM_FACE_POSITION_STORE("Pos");
+static LLFastTimer::DeclareTimer FTM_FACE_TEXTURE_INDEX_STORE("TexIdx");
+static LLFastTimer::DeclareTimer FTM_FACE_POSITION_PAD("Pad");
+static LLFastTimer::DeclareTimer FTM_FACE_TEX_DEFAULT("Default");
+static LLFastTimer::DeclareTimer FTM_FACE_TEX_QUICK("Quick");
+static LLFastTimer::DeclareTimer FTM_FACE_TEX_QUICK_NO_XFORM("No Xform");
+static LLFastTimer::DeclareTimer FTM_FACE_TEX_QUICK_XFORM("Xform");
+
+static LLFastTimer::DeclareTimer FTM_FACE_TEX_QUICK_PLANAR("Quick Planar");
 
 BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 							   const S32 &f,
@@ -1078,7 +1131,9 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 		updateRebuildFlags();
 	}
 
-	bool map_range = gGLManager.mHasMapBufferRange || gGLManager.mHasFlushBufferRange;
+
+	//don't use map range (generates many redundant unmap calls)
+	bool map_range = false; //gGLManager.mHasMapBufferRange || gGLManager.mHasFlushBufferRange;
 
 	if (mVertexBuffer.notNull())
 	{
@@ -1104,16 +1159,12 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 	}
 
 	LLStrider<LLVector3> vert;
-	LLVector4a* vertices = NULL;
 	LLStrider<LLVector2> tex_coords;
 	LLStrider<LLVector2> tex_coords2;
-	LLVector4a* normals = NULL;
 	LLStrider<LLVector3> norm;
 	LLStrider<LLColor4U> colors;
-	LLVector4a* binormals = NULL;
 	LLStrider<LLVector3> binorm;
 	LLStrider<U16> indicesp;
-	LLVector4a* weights = NULL;
 	LLStrider<LLVector4> wght;
 
 	BOOL full_rebuild = force_rebuild || mDrawablep->isState(LLDrawable::REBUILD_VOLUME);
@@ -1202,7 +1253,7 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 		LLFastTimer t(FTM_FACE_GEOM_INDEX);
 		mVertexBuffer->getIndexStrider(indicesp, mIndicesIndex, mIndicesCount, map_range);
 
-		__m128i* dst = (__m128i*) indicesp.get();
+		volatile __m128i* dst = (__m128i*) indicesp.get();
 		__m128i* src = (__m128i*) vf.mIndices;
 		__m128i offset = _mm_set1_epi16(index_offset);
 
@@ -1211,12 +1262,17 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 		for (S32 i = 0; i < end; i++)
 		{
 			__m128i res = _mm_add_epi16(src[i], offset);
-			_mm_storeu_si128(dst+i, res);
+			_mm_storeu_si128((__m128i*) dst++, res);
 		}
 
-		for (S32 i = end*8; i < num_indices; ++i)
 		{
-			indicesp[i] = vf.mIndices[i]+index_offset;
+			LLFastTimer t(FTM_FACE_GEOM_INDEX_TAIL);
+			U16* idx = (U16*) dst;
+
+			for (S32 i = end*8; i < num_indices; ++i)
+			{
+				*idx++ = vf.mIndices[i]+index_offset;
+			}
 		}
 
 		if (map_range)
@@ -1373,19 +1429,48 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 
 			if (texgen != LLTextureEntry::TEX_GEN_PLANAR)
 			{
+				LLFastTimer t(FTM_FACE_TEX_QUICK);
 				if (!do_tex_mat)
 				{
 					if (!do_xform)
 					{
+						LLFastTimer t(FTM_FACE_TEX_QUICK_NO_XFORM);
 						LLVector4a::memcpyNonAliased16((F32*) tex_coords.get(), (F32*) vf.mTexCoords, num_vertices*2*sizeof(F32));
 					}
 					else
 					{
-						for (S32 i = 0; i < num_vertices; i++)
+						LLFastTimer t(FTM_FACE_TEX_QUICK_XFORM);
+						F32* dst = (F32*) tex_coords.get();
+						LLVector4a* src = (LLVector4a*) vf.mTexCoords;
+
+						LLVector4a trans;
+						trans.splat(-0.5f);
+
+						LLVector4a rot0;
+						rot0.set(cos_ang, -sin_ang, cos_ang, -sin_ang);
+
+						LLVector4a rot1;
+						rot1.set(sin_ang, cos_ang, sin_ang, cos_ang);
+
+						LLVector4a scale;
+						scale.set(ms, mt, ms, mt);
+
+						LLVector4a offset;
+						offset.set(os+0.5f, ot+0.5f, os+0.5f, ot+0.5f);
+
+						LLVector4Logical mask;
+						mask.clear();
+						mask.setElement<2>();
+						mask.setElement<3>();
+
+						U32 count = num_vertices/2 + num_vertices%2;
+
+						for (S32 i = 0; i < count; i++)
 						{	
-							LLVector2 tc(vf.mTexCoords[i]);
-							xform(tc, cos_ang, sin_ang, os, ot, ms, mt);
-							*tex_coords++ = tc;	
+							LLVector4a res = *src++;
+							xform4a(res, trans, mask, rot0, rot1, offset, scale);
+							res.store4a(dst);
+							dst += 4;
 						}
 					}
 				}
@@ -1407,6 +1492,7 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 			}
 			else
 			{ //no bump, no atlas, tex gen planar
+				LLFastTimer t(FTM_FACE_TEX_QUICK_PLANAR);
 				if (do_tex_mat)
 				{
 					for (S32 i = 0; i < num_vertices; i++)
@@ -1451,6 +1537,7 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 		}
 		else
 		{ //either bump mapped or in atlas, just do the whole expensive loop
+			LLFastTimer t(FTM_FACE_TEX_DEFAULT);
 			mVertexBuffer->getTexCoord0Strider(tex_coords, mGeomIndex, mGeomCount, map_range);
 
 			std::vector<LLVector2> bump_tc;
@@ -1642,44 +1729,55 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 		llassert(num_vertices > 0);
 		
 		mVertexBuffer->getVertexStrider(vert, mGeomIndex, mGeomCount, map_range);
-		vertices = (LLVector4a*) vert.get();
-	
+			
+
 		LLMatrix4a mat_vert;
 		mat_vert.loadu(mat_vert_in);
 
 		LLVector4a* src = vf.mPositions;
-		LLVector4a* dst = vertices;
+		volatile F32* dst = (volatile F32*) vert.get();
 
-		LLVector4a* end = dst+num_vertices;
-		do
-		{	
-			mat_vert.affineTransform(*src++, *dst++);
-		}
-		while(dst < end);
+		volatile F32* end = dst+num_vertices*4;
+		LLVector4a res;
 
-		F32 index = (F32) (mTextureIndex < 255 ? mTextureIndex : 0);
+		LLVector4a texIdx;
 
+		F32 index = (F32) (mTextureIndex < 255 ? mTextureIndex : 0);
 		llassert(index <= LLGLSLShader::sIndexedTextureChannels-1);
-		F32 *index_dst = (F32*) vertices;
-		F32 *index_end = (F32*) end;
 
-		index_dst += 3;
-		index_end += 3;
-		do
+		LLVector4Logical mask;
+		mask.clear();
+		mask.setElement<3>();
+		
+		texIdx.set(0,0,0,index);
+
 		{
-			*index_dst = index;
-			index_dst += 4;
+			LLFastTimer t(FTM_FACE_POSITION_STORE);
+			LLVector4a tmp;
+
+			do
+			{	
+				mat_vert.affineTransform(*src++, res);
+				tmp.setSelectWithMask(mask, texIdx, res);
+				tmp.store4a((F32*) dst);
+				dst += 4;
+			}
+			while(dst < end);
 		}
-		while (index_dst < index_end);
-		
-		S32 aligned_pad_vertices = mGeomCount - num_vertices;
-		LLVector4a* last_vec = end - 1;
-		while (aligned_pad_vertices > 0)
+
 		{
-			--aligned_pad_vertices;
-			*dst++ = *last_vec;
+			LLFastTimer t(FTM_FACE_POSITION_PAD);
+			S32 aligned_pad_vertices = mGeomCount - num_vertices;
+			res.set(res[0], res[1], res[2], 0.f);
+
+			while (aligned_pad_vertices > 0)
+			{
+				--aligned_pad_vertices;
+				res.store4a((F32*) dst);
+				dst += 4;
+			}
 		}
-		
+
 		if (map_range)
 		{
 			mVertexBuffer->flush();
@@ -1690,14 +1788,15 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 	{
 		LLFastTimer t(FTM_FACE_GEOM_NORMAL);
 		mVertexBuffer->getNormalStrider(norm, mGeomIndex, mGeomCount, map_range);
-		normals = (LLVector4a*) norm.get();
+		F32* normals = (F32*) norm.get();
 	
 		for (S32 i = 0; i < num_vertices; i++)
 		{	
 			LLVector4a normal;
 			mat_normal.rotate(vf.mNormals[i], normal);
 			normal.normalize3fast();
-			normals[i] = normal;
+			normal.store4a(normals);
+			normals += 4;
 		}
 
 		if (map_range)
@@ -1710,14 +1809,15 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 	{
 		LLFastTimer t(FTM_FACE_GEOM_BINORMAL);
 		mVertexBuffer->getBinormalStrider(binorm, mGeomIndex, mGeomCount, map_range);
-		binormals = (LLVector4a*) binorm.get();
+		F32* binormals = (F32*) binorm.get();
 		
 		for (S32 i = 0; i < num_vertices; i++)
 		{	
 			LLVector4a binormal;
 			mat_normal.rotate(vf.mBinormals[i], binormal);
 			binormal.normalize3fast();
-			binormals[i] = binormal;
+			binormal.store4a(binormals);
+			binormals += 4;
 		}
 
 		if (map_range)
@@ -1730,8 +1830,8 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 	{
 		LLFastTimer t(FTM_FACE_GEOM_WEIGHTS);
 		mVertexBuffer->getWeight4Strider(wght, mGeomIndex, mGeomCount, map_range);
-		weights = (LLVector4a*) wght.get();
-		LLVector4a::memcpyNonAliased16((F32*) weights, (F32*) vf.mWeights, num_vertices*4*sizeof(F32));
+		F32* weights = (F32*) wght.get();
+		LLVector4a::memcpyNonAliased16(weights, (F32*) vf.mWeights, num_vertices*4*sizeof(F32));
 		if (map_range)
 		{
 			mVertexBuffer->flush();
@@ -1750,7 +1850,7 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 		
 		src.loadua((F32*) vec);
 
-		LLVector4a* dst = (LLVector4a*) colors.get();
+		F32* dst = (F32*) colors.get();
 		S32 num_vecs = num_vertices/4;
 		if (num_vertices%4 > 0)
 		{
@@ -1759,7 +1859,8 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 
 		for (S32 i = 0; i < num_vecs; i++)
 		{	
-			dst[i] = src;
+			src.store4a(dst);
+			dst += 4;
 		}
 
 		if (map_range)
@@ -1789,7 +1890,7 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 		
 		src.loadua((F32*) vec);
 
-		LLVector4a* dst = (LLVector4a*) emissive.get();
+		F32* dst = (F32*) emissive.get();
 		S32 num_vecs = num_vertices/4;
 		if (num_vertices%4 > 0)
 		{
@@ -1798,7 +1899,8 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 
 		for (S32 i = 0; i < num_vecs; i++)
 		{	
-			dst[i] = src;
+			src.store4a(dst);
+			dst += 4;
 		}
 
 		if (map_range)
@@ -1821,6 +1923,7 @@ BOOL LLFace::getGeometryVolume(const LLVolume& volume,
 		mTexExtents[1][1] *= et ;
 	}
 
+
 	mLastVertexBuffer = mVertexBuffer;
 	mLastGeomCount = mGeomCount;
 	mLastGeomIndex = mGeomIndex;
diff --git a/indra/newview/llfloaterland.cpp b/indra/newview/llfloaterland.cpp
index d8e4aa03f7..95da8ff948 100644
--- a/indra/newview/llfloaterland.cpp
+++ b/indra/newview/llfloaterland.cpp
@@ -2474,27 +2474,6 @@ void LLPanelLandAccess::refresh()
 				mListBanned->addNameItem(entry.mID, ADD_DEFAULT, TRUE, suffix);
 			}
 		}
-		
-		LLCheckBoxWithTBAcess* maturity_checkbox = (LLCheckBoxWithTBAcess*) getChild<LLCheckBoxCtrl>( "public_access");
-		LLViewerRegion* region = LLViewerParcelMgr::getInstance()->getSelectionRegion();
-		if(region)
-		{
-			LLTextBox* maturity_textbox = maturity_checkbox->getTextBox();
-			insert_maturity_into_textbox(maturity_textbox, gFloaterView->getParentFloater(this), getString("allow_public_access"));
-			maturity_checkbox->reshape(maturity_checkbox->getRect().getWidth(), maturity_checkbox->getRect().getHeight(), FALSE);
-		}
-		else
-		{
-			std::string maturity_string = getString("allow_public_access");
-			size_t maturity_pos = maturity_string.find(MATURITY);
-
-			if (maturity_pos != std::string::npos)
-			{
-				maturity_string.replace(maturity_pos, MATURITY.length(), std::string(""));
-			}
-
-			maturity_checkbox->setLabel(maturity_string);
-		}
 
 		if(parcel->getRegionDenyAnonymousOverride())
 		{
diff --git a/indra/newview/llfloatermodelpreview.cpp b/indra/newview/llfloatermodelpreview.cpp
index 64bdcccd9f..9122e5a8f5 100755
--- a/indra/newview/llfloatermodelpreview.cpp
+++ b/indra/newview/llfloatermodelpreview.cpp
@@ -3969,7 +3969,7 @@ void LLModelPreview::genLODs(S32 which_lod, U32 decimation, bool enforce_tri_lim
 				U32 num_indices = mVertexBuffer[5][mdl][i]->getNumIndices();
 				if (num_indices > 2)
 				{
-					glodInsertElements(mObject[mdl], i, GL_TRIANGLES, num_indices, GL_UNSIGNED_SHORT, mVertexBuffer[5][mdl][i]->getIndicesPointer(), 0, 0.f);
+					glodInsertElements(mObject[mdl], i, GL_TRIANGLES, num_indices, GL_UNSIGNED_SHORT, (U8*) mVertexBuffer[5][mdl][i]->getIndicesPointer(), 0, 0.f);
 				}
 				tri_count += num_indices/3;
 				stop_gloderror();
@@ -4083,14 +4083,14 @@ void LLModelPreview::genLODs(S32 which_lod, U32 decimation, bool enforce_tri_lim
 				{
 					buff->allocateBuffer(sizes[i*2+1], sizes[i*2], true);
 					buff->setBuffer(type_mask);
-					glodFillElements(mObject[base], names[i], GL_UNSIGNED_SHORT, buff->getIndicesPointer());
+					glodFillElements(mObject[base], names[i], GL_UNSIGNED_SHORT, (U8*) buff->getIndicesPointer());
 					stop_gloderror();
 				}
 				else
 				{ //this face was eliminated, create a dummy triangle (one vertex, 3 indices, all 0)
 					buff->allocateBuffer(1, 3, true);
-					memset(buff->getMappedData(), 0, buff->getSize());
-					memset(buff->getIndicesPointer(), 0, buff->getIndicesSize());
+					memset((U8*) buff->getMappedData(), 0, buff->getSize());
+					memset((U8*) buff->getIndicesPointer(), 0, buff->getIndicesSize());
 				}
 
 				buff->validateRange(0, buff->getNumVerts()-1, buff->getNumIndices(), 0);
@@ -4880,8 +4880,8 @@ void LLModelPreview::addEmptyFace( LLModel* pTarget )
 	LLPointer<LLVertexBuffer> buff = new LLVertexBuffer(type_mask, 0);
 	
 	buff->allocateBuffer(1, 3, true);
-	memset( buff->getMappedData(), 0, buff->getSize() );
-	memset( buff->getIndicesPointer(), 0, buff->getIndicesSize() );
+	memset( (U8*) buff->getMappedData(), 0, buff->getSize() );
+	memset( (U8*) buff->getIndicesPointer(), 0, buff->getIndicesSize() );
 		
 	buff->validateRange( 0, buff->getNumVerts()-1, buff->getNumIndices(), 0 );
 		
diff --git a/indra/newview/llinspectremoteobject.cpp b/indra/newview/llinspectremoteobject.cpp
index bf6cf52298..a12ec390af 100644
--- a/indra/newview/llinspectremoteobject.cpp
+++ b/indra/newview/llinspectremoteobject.cpp
@@ -60,12 +60,10 @@ public:
 	
 private:
 	void update();
-	void onNameCache(const LLUUID& id, const std::string& name, bool is_group);
 	
 private:
 	LLUUID		 mObjectID;
 	LLUUID		 mOwnerID;
-	std::string  mOwnerLegacyName;
 	std::string  mSLurl;
 	std::string  mName;
 	bool         mGroupOwned;
@@ -75,7 +73,6 @@ LLInspectRemoteObject::LLInspectRemoteObject(const LLSD& sd) :
 	LLInspect(LLSD()),
 	mObjectID(NULL),
 	mOwnerID(NULL),
-	mOwnerLegacyName(),
 	mSLurl(""),
 	mName(""),
 	mGroupOwned(false)
@@ -111,14 +108,6 @@ void LLInspectRemoteObject::onOpen(const LLSD& data)
 	mGroupOwned = data["group_owned"].asBoolean();
 	mSLurl      = data["slurl"].asString();
 
-	// work out the owner's name
-	mOwnerLegacyName = "";
-	if (gCacheName)
-	{
-		gCacheName->get(mOwnerID, mGroupOwned,  // muting
-			boost::bind(&LLInspectRemoteObject::onNameCache, this, _1, _2, _3));
-	}
-
 	// update the inspector with the current object state
 	update();
 
@@ -144,8 +133,7 @@ void LLInspectRemoteObject::onClickMap()
 
 void LLInspectRemoteObject::onClickBlock()
 {
-	LLMute::EType mute_type = mGroupOwned ? LLMute::GROUP : LLMute::AGENT;
-	LLMute mute(mOwnerID, mOwnerLegacyName, mute_type);
+	LLMute mute(mObjectID, mName, LLMute::OBJECT);
 	LLMuteList::getInstance()->add(mute);
 	LLPanelBlockedList::showPanelAndSelect(mute.mID);
 	closeFloater();
@@ -156,12 +144,6 @@ void LLInspectRemoteObject::onClickClose()
 	closeFloater();
 }
 
-void LLInspectRemoteObject::onNameCache(const LLUUID& id, const std::string& name, bool is_group)
-{
-	mOwnerLegacyName = name;
-	update();
-}
-
 void LLInspectRemoteObject::update()
 {
 	// show the object name as the inspector's title
@@ -198,8 +180,8 @@ void LLInspectRemoteObject::update()
 	// disable the Map button if we don't have a SLurl
 	getChild<LLUICtrl>("map_btn")->setEnabled(! mSLurl.empty());
 
-	// disable the Block button if we don't have the owner ID
-	getChild<LLUICtrl>("block_btn")->setEnabled(! mOwnerID.isNull());
+	// disable the Block button if we don't have the object ID (will this ever happen?)
+	getChild<LLUICtrl>("block_btn")->setEnabled(! mObjectID.isNull());
 }
 
 //////////////////////////////////////////////////////////////////////////////
diff --git a/indra/newview/llinventorybridge.cpp b/indra/newview/llinventorybridge.cpp
index 76576f7b75..257ceed912 100644
--- a/indra/newview/llinventorybridge.cpp
+++ b/indra/newview/llinventorybridge.cpp
@@ -73,7 +73,7 @@
 #include "llwearablelist.h"
 
 // Marketplace outbox current disabled
-#define ENABLE_MERCHANT_OUTBOX_CONTEXT_MENU	1
+#define ENABLE_MERCHANT_OUTBOX_CONTEXT_MENU	0
 #define ENABLE_MERCHANT_SEND_TO_MARKETPLACE_CONTEXT_MENU 0
 #define BLOCK_WORN_ITEMS_IN_OUTBOX 1
 
@@ -3711,9 +3711,9 @@ BOOL LLFolderBridge::dragItemIntoFolder(LLInventoryItem* inv_item,
 			// If an item is being dragged between windows, unselect everything in the active window 
 			// so that we don't follow the selection to its new location (which is very annoying).
 			if (active_panel && (destination_panel != active_panel))
-			{
-				active_panel->unSelectAll();
-			}
+				{
+					active_panel->unSelectAll();
+				}
 
 			//--------------------------------------------------------------------------------
 			// Destination folder logic
diff --git a/indra/newview/llmeshrepository.cpp b/indra/newview/llmeshrepository.cpp
index a97e256c89..b02bf79a28 100644..100755
--- a/indra/newview/llmeshrepository.cpp
+++ b/indra/newview/llmeshrepository.cpp
@@ -88,6 +88,9 @@ const S32 MAX_MESH_VERSION = 999;
 U32 LLMeshRepository::sBytesReceived = 0;
 U32 LLMeshRepository::sHTTPRequestCount = 0;
 U32 LLMeshRepository::sHTTPRetryCount = 0;
+U32 LLMeshRepository::sLODProcessing = 0;
+U32 LLMeshRepository::sLODPending = 0;
+
 U32 LLMeshRepository::sCacheBytesRead = 0;
 U32 LLMeshRepository::sCacheBytesWritten = 0;
 U32 LLMeshRepository::sPeakKbps = 0;
@@ -205,6 +208,12 @@ public:
 	LLMeshHeaderResponder(const LLVolumeParams& mesh_params)
 		: mMeshParams(mesh_params)
 	{
+		LLMeshRepoThread::sActiveHeaderRequests++;
+	}
+
+	~LLMeshHeaderResponder()
+	{
+		LLMeshRepoThread::sActiveHeaderRequests--;
 	}
 
 	virtual void completedRaw(U32 status, const std::string& reason,
@@ -224,6 +233,12 @@ public:
 	LLMeshLODResponder(const LLVolumeParams& mesh_params, S32 lod, U32 offset, U32 requested_bytes)
 		: mMeshParams(mesh_params), mLOD(lod), mOffset(offset), mRequestedBytes(requested_bytes)
 	{
+		LLMeshRepoThread::sActiveLODRequests++;
+	}
+
+	~LLMeshLODResponder()
+	{
+		LLMeshRepoThread::sActiveLODRequests--;
 	}
 
 	virtual void completedRaw(U32 status, const std::string& reason,
@@ -497,10 +512,13 @@ void LLMeshRepoThread::run()
 					mMutex->lock();
 					LODRequest req = mLODReqQ.front();
 					mLODReqQ.pop();
+					LLMeshRepository::sLODProcessing--;
 					mMutex->unlock();
-					if (fetchMeshLOD(req.mMeshParams, req.mLOD))
+					if (!fetchMeshLOD(req.mMeshParams, req.mLOD, count))//failed, resubmit
 					{
-						count++;
+						mMutex->lock();
+						mLODReqQ.push(req) ; 
+						mMutex->unlock();
 					}
 				}
 			}
@@ -512,9 +530,11 @@ void LLMeshRepoThread::run()
 					HeaderRequest req = mHeaderReqQ.front();
 					mHeaderReqQ.pop();
 					mMutex->unlock();
-					if (fetchMeshHeader(req.mMeshParams))
+					if (!fetchMeshHeader(req.mMeshParams, count))//failed, resubmit
 					{
-						count++;
+						mMutex->lock();
+						mHeaderReqQ.push(req) ;
+						mMutex->unlock();
 					}
 				}
 			}
@@ -603,6 +623,7 @@ void LLMeshRepoThread::loadMeshLOD(const LLVolumeParams& mesh_params, S32 lod)
 		{
 			LLMutexLock lock(mMutex);
 			mLODReqQ.push(req);
+			LLMeshRepository::sLODProcessing++;
 		}
 	}
 	else
@@ -658,6 +679,7 @@ bool LLMeshRepoThread::fetchMeshSkinInfo(const LLUUID& mesh_id)
 		return false;
 	}
 
+	bool ret = true ;
 	U32 header_size = mMeshHeaderSize[mesh_id];
 	
 	if (header_size > 0)
@@ -673,7 +695,7 @@ bool LLMeshRepoThread::fetchMeshSkinInfo(const LLUUID& mesh_id)
 			//check VFS for mesh skin info
 			LLVFile file(gVFS, mesh_id, LLAssetType::AT_MESH);
 			if (file.getSize() >= offset+size)
-			{
+			{				
 				LLMeshRepository::sCacheBytesRead += size;
 				file.seek(offset);
 				U8* buffer = new U8[size];
@@ -689,7 +711,7 @@ bool LLMeshRepoThread::fetchMeshSkinInfo(const LLUUID& mesh_id)
 				if (!zero)
 				{ //attempt to parse
 					if (skinInfoReceived(mesh_id, buffer, size))
-					{
+					{						
 						delete[] buffer;
 						return true;
 					}
@@ -704,11 +726,13 @@ bool LLMeshRepoThread::fetchMeshSkinInfo(const LLUUID& mesh_id)
 
 			std::string http_url = constructUrl(mesh_id);
 			if (!http_url.empty())
-			{
-				++sActiveLODRequests;
-				LLMeshRepository::sHTTPRequestCount++;
-				mCurlRequest->getByteRange(constructUrl(mesh_id), headers, offset, size,
+			{				
+				ret = mCurlRequest->getByteRange(http_url, headers, offset, size,
 										   new LLMeshSkinInfoResponder(mesh_id, offset, size));
+				if(ret)
+				{
+					LLMeshRepository::sHTTPRequestCount++;
+				}
 			}
 		}
 	}
@@ -718,7 +742,7 @@ bool LLMeshRepoThread::fetchMeshSkinInfo(const LLUUID& mesh_id)
 	}
 
 	//early out was not hit, effectively fetched
-	return true;
+	return ret;
 }
 
 bool LLMeshRepoThread::fetchMeshDecomposition(const LLUUID& mesh_id)
@@ -732,7 +756,8 @@ bool LLMeshRepoThread::fetchMeshDecomposition(const LLUUID& mesh_id)
 	}
 
 	U32 header_size = mMeshHeaderSize[mesh_id];
-
+	bool ret = true ;
+	
 	if (header_size > 0)
 	{
 		S32 version = mMeshHeader[mesh_id]["version"].asInteger();
@@ -748,6 +773,7 @@ bool LLMeshRepoThread::fetchMeshDecomposition(const LLUUID& mesh_id)
 			if (file.getSize() >= offset+size)
 			{
 				LLMeshRepository::sCacheBytesRead += size;
+
 				file.seek(offset);
 				U8* buffer = new U8[size];
 				file.read(buffer, size);
@@ -777,11 +803,13 @@ bool LLMeshRepoThread::fetchMeshDecomposition(const LLUUID& mesh_id)
 
 			std::string http_url = constructUrl(mesh_id);
 			if (!http_url.empty())
-			{
-				++sActiveLODRequests;
-				LLMeshRepository::sHTTPRequestCount++;
-				mCurlRequest->getByteRange(http_url, headers, offset, size,
+			{				
+				ret = mCurlRequest->getByteRange(http_url, headers, offset, size,
 										   new LLMeshDecompositionResponder(mesh_id, offset, size));
+				if(ret)
+				{
+					LLMeshRepository::sHTTPRequestCount++;
+				}
 			}
 		}
 	}
@@ -791,7 +819,7 @@ bool LLMeshRepoThread::fetchMeshDecomposition(const LLUUID& mesh_id)
 	}
 
 	//early out was not hit, effectively fetched
-	return true;
+	return ret;
 }
 
 bool LLMeshRepoThread::fetchMeshPhysicsShape(const LLUUID& mesh_id)
@@ -805,6 +833,7 @@ bool LLMeshRepoThread::fetchMeshPhysicsShape(const LLUUID& mesh_id)
 	}
 
 	U32 header_size = mMeshHeaderSize[mesh_id];
+	bool ret = true ;
 
 	if (header_size > 0)
 	{
@@ -850,11 +879,14 @@ bool LLMeshRepoThread::fetchMeshPhysicsShape(const LLUUID& mesh_id)
 
 			std::string http_url = constructUrl(mesh_id);
 			if (!http_url.empty())
-			{
-				++sActiveLODRequests;
-				LLMeshRepository::sHTTPRequestCount++;
-				mCurlRequest->getByteRange(http_url, headers, offset, size,
+			{				
+				ret = mCurlRequest->getByteRange(http_url, headers, offset, size,
 										   new LLMeshPhysicsShapeResponder(mesh_id, offset, size));
+
+				if(ret)
+				{
+					LLMeshRepository::sHTTPRequestCount++;
+				}
 			}
 		}
 		else
@@ -868,13 +900,12 @@ bool LLMeshRepoThread::fetchMeshPhysicsShape(const LLUUID& mesh_id)
 	}
 
 	//early out was not hit, effectively fetched
-	return true;
+	return ret;
 }
 
-bool LLMeshRepoThread::fetchMeshHeader(const LLVolumeParams& mesh_params)
+//return false if failed to get header
+bool LLMeshRepoThread::fetchMeshHeader(const LLVolumeParams& mesh_params, U32& count)
 {
-	bool retval = false;
-
 	{
 		//look for mesh in asset in vfs
 		LLVFile file(gVFS, mesh_params.getSculptID(), LLAssetType::AT_MESH);
@@ -889,36 +920,39 @@ bool LLMeshRepoThread::fetchMeshHeader(const LLVolumeParams& mesh_params)
 			file.read(buffer, bytes);
 			if (headerReceived(mesh_params, buffer, bytes))
 			{ //did not do an HTTP request, return false
-				return false;
+				return true;
 			}
 		}
 	}
 
-	//either cache entry doesn't exist or is corrupt, request header from simulator
-
+	//either cache entry doesn't exist or is corrupt, request header from simulator	
+	bool retval = true ;
 	std::vector<std::string> headers;
 	headers.push_back("Accept: application/octet-stream");
 
 	std::string http_url = constructUrl(mesh_params.getSculptID());
 	if (!http_url.empty())
 	{
-		++sActiveHeaderRequests;
-		retval = true;
 		//grab first 4KB if we're going to bother with a fetch.  Cache will prevent future fetches if a full mesh fits
 		//within the first 4KB
-		//NOTE -- this will break of headers ever exceed 4KB
-		LLMeshRepository::sHTTPRequestCount++;
-		mCurlRequest->getByteRange(http_url, headers, 0, 4096, new LLMeshHeaderResponder(mesh_params));
+		//NOTE -- this will break of headers ever exceed 4KB		
+		retval = mCurlRequest->getByteRange(http_url, headers, 0, 4096, new LLMeshHeaderResponder(mesh_params));
+		if(retval)
+		{
+			LLMeshRepository::sHTTPRequestCount++;
+		}
+		count++;
 	}
 
 	return retval;
 }
 
-bool LLMeshRepoThread::fetchMeshLOD(const LLVolumeParams& mesh_params, S32 lod)
+//return false if failed to get mesh lod.
+bool LLMeshRepoThread::fetchMeshLOD(const LLVolumeParams& mesh_params, S32 lod, U32& count)
 { //protected by mMutex
 	mHeaderMutex->lock();
 
-	bool retval = false;
+	bool retval = true;
 
 	LLUUID mesh_id = mesh_params.getSculptID();
 	
@@ -955,7 +989,7 @@ bool LLMeshRepoThread::fetchMeshLOD(const LLVolumeParams& mesh_params, S32 lod)
 					if (lodReceived(mesh_params, lod, buffer, size))
 					{
 						delete[] buffer;
-						return false;
+						return true;
 					}
 				}
 
@@ -968,12 +1002,15 @@ bool LLMeshRepoThread::fetchMeshLOD(const LLVolumeParams& mesh_params, S32 lod)
 
 			std::string http_url = constructUrl(mesh_id);
 			if (!http_url.empty())
-			{
-				++sActiveLODRequests;
-				retval = true;
-				LLMeshRepository::sHTTPRequestCount++;
-				mCurlRequest->getByteRange(constructUrl(mesh_id), headers, offset, size,
+			{				
+				retval = mCurlRequest->getByteRange(constructUrl(mesh_id), headers, offset, size,
 										   new LLMeshLODResponder(mesh_params, lod, offset, size));
+
+				if(retval)
+				{
+					LLMeshRepository::sHTTPRequestCount++;
+				}
+				count++;
 			}
 			else
 			{
@@ -1045,6 +1082,7 @@ bool LLMeshRepoThread::headerReceived(const LLVolumeParams& mesh_params, U8* dat
 			{
 				LODRequest req(mesh_params, iter->second[i]);
 				mLODReqQ.push(req);
+				LLMeshRepository::sLODProcessing++;
 			}
 		}
 		mPendingLOD.erase(iter);
@@ -1540,8 +1578,17 @@ void LLMeshUploadThread::doWholeModelUpload()
 		LLSD body = full_model_data["asset_resources"];
 		dump_llsd_to_file(body,make_dump_name("whole_model_body_",dump_num));
 		LLCurlRequest::headers_t headers;
-		mCurlRequest->post(mWholeModelUploadURL, headers, body,
-						   new LLWholeModelUploadResponder(this, full_model_data, mUploadObserverHandle), mMeshUploadTimeOut);
+
+		{
+			LLCurl::ResponderPtr responder = new LLWholeModelUploadResponder(this, full_model_data, mUploadObserverHandle) ;
+
+			while(!mCurlRequest->post(mWholeModelUploadURL, headers, body, responder, mMeshUploadTimeOut))
+			{
+				//sleep for 10ms to prevent eating a whole core
+				apr_sleep(10000);
+			}
+		}
+
 		do
 		{
 			mCurlRequest->process();
@@ -1571,8 +1618,15 @@ void LLMeshUploadThread::requestWholeModelFee()
 
 	mPendingUploads++;
 	LLCurlRequest::headers_t headers;
-	mCurlRequest->post(mWholeModelFeeCapability, headers, model_data,
-					   new LLWholeModelFeeResponder(this,model_data, mFeeObserverHandle), mMeshUploadTimeOut);
+
+	{
+		LLCurl::ResponderPtr responder = new LLWholeModelFeeResponder(this,model_data, mFeeObserverHandle) ;
+		while(!mCurlRequest->post(mWholeModelFeeCapability, headers, model_data, responder, mMeshUploadTimeOut))
+		{
+			//sleep for 10ms to prevent eating a whole core
+			apr_sleep(10000);
+		}
+	}
 
 	do
 	{
@@ -1712,7 +1766,6 @@ void LLMeshLODResponder::completedRaw(U32 status, const std::string& reason,
 							  const LLIOPipe::buffer_ptr_t& buffer)
 {
 
-	LLMeshRepoThread::sActiveLODRequests--;
 	S32 data_size = buffer->countAfter(channels.in(), NULL);
 
 	if (status < 200 || status > 400)
@@ -1929,7 +1982,6 @@ void LLMeshHeaderResponder::completedRaw(U32 status, const std::string& reason,
 							  const LLChannelDescriptors& channels,
 							  const LLIOPipe::buffer_ptr_t& buffer)
 {
-	LLMeshRepoThread::sActiveHeaderRequests--;
 	if (status < 200 || status > 400)
 	{
 		//llwarns
@@ -2147,6 +2199,7 @@ S32 LLMeshRepository::loadMesh(LLVOVolume* vobj, const LLVolumeParams& mesh_para
 			//first request for this mesh
 			mLoadingMeshes[detail][mesh_params].insert(vobj->getID());
 			mPendingRequests.push_back(LLMeshRepoThread::LODRequest(mesh_params, detail));
+			LLMeshRepository::sLODPending++;
 		}
 	}
 
@@ -2359,6 +2412,7 @@ void LLMeshRepository::notifyLoadedMeshes()
 			LLMeshRepoThread::LODRequest& request = mPendingRequests.front();
 			mThread->loadMeshLOD(request.mMeshParams, request.mLOD);
 			mPendingRequests.erase(mPendingRequests.begin());
+			LLMeshRepository::sLODPending--;
 			push_count--;
 		}
 	}
diff --git a/indra/newview/llmeshrepository.h b/indra/newview/llmeshrepository.h
index 31b84ea0d9..da81bb057b 100644
--- a/indra/newview/llmeshrepository.h
+++ b/indra/newview/llmeshrepository.h
@@ -323,8 +323,8 @@ public:
 	virtual void run();
 
 	void loadMeshLOD(const LLVolumeParams& mesh_params, S32 lod);
-	bool fetchMeshHeader(const LLVolumeParams& mesh_params);
-	bool fetchMeshLOD(const LLVolumeParams& mesh_params, S32 lod);
+	bool fetchMeshHeader(const LLVolumeParams& mesh_params, U32& count);
+	bool fetchMeshLOD(const LLVolumeParams& mesh_params, S32 lod, U32& count);
 	bool headerReceived(const LLVolumeParams& mesh_params, U8* data, S32 data_size);
 	bool lodReceived(const LLVolumeParams& mesh_params, S32 lod, U8* data, S32 data_size);
 	bool skinInfoReceived(const LLUUID& mesh_id, U8* data, S32 data_size);
@@ -441,6 +441,8 @@ public:
 	static U32 sBytesReceived;
 	static U32 sHTTPRequestCount;
 	static U32 sHTTPRetryCount;
+	static U32 sLODPending;
+	static U32 sLODProcessing;
 	static U32 sCacheBytesRead;
 	static U32 sCacheBytesWritten;
 	static U32 sPeakKbps;
diff --git a/indra/newview/llselectmgr.cpp b/indra/newview/llselectmgr.cpp
index 5d0d1ef9a3..6111255a66 100644
--- a/indra/newview/llselectmgr.cpp
+++ b/indra/newview/llselectmgr.cpp
@@ -5556,38 +5556,37 @@ BOOL LLSelectNode::allowOperationOnNode(PermissionBit op, U64 group_proxy_power)
 //helper function for pushing relevant vertices from drawable to GL
 void pushWireframe(LLDrawable* drawable)
 {
-	if (drawable->isState(LLDrawable::RIGGED))
-	{ //render straight from rigged volume if this is a rigged attachment
-		LLVOVolume* vobj = drawable->getVOVolume();
-		if (vobj)
-		{
-			vobj->updateRiggedVolume();
-			LLRiggedVolume* rigged_volume = vobj->getRiggedVolume();
-			if (rigged_volume)
-			{
-				LLVertexBuffer::unbind();
-				gGL.pushMatrix();
-				gGL.multMatrix((F32*) vobj->getRelativeXform().mMatrix);
-				for (S32 i = 0; i < rigged_volume->getNumVolumeFaces(); ++i)
-				{
-					const LLVolumeFace& face = rigged_volume->getVolumeFace(i);
-					LLVertexBuffer::drawElements(LLRender::TRIANGLES, face.mPositions, face.mTexCoords, face.mNumIndices, face.mIndices);
-				}
-				gGL.popMatrix();
-			}
-		}
-	}
-	else
+	LLVOVolume* vobj = drawable->getVOVolume();
+	if (vobj)
 	{
-		for (S32 i = 0; i < drawable->getNumFaces(); ++i)
+		LLVertexBuffer::unbind();
+		gGL.pushMatrix();
+		gGL.multMatrix((F32*) vobj->getRelativeXform().mMatrix);
+
+		LLVolume* volume = NULL;
+
+		if (drawable->isState(LLDrawable::RIGGED))
+		{
+				vobj->updateRiggedVolume();
+				volume = vobj->getRiggedVolume();
+		}
+		else
+		{
+			volume = vobj->getVolume();
+		}
+
+		if (volume)
 		{
-			LLFace* face = drawable->getFace(i);
-			if (face->verify())
+			for (S32 i = 0; i < volume->getNumVolumeFaces(); ++i)
 			{
-				pushVerts(face, LLVertexBuffer::MAP_VERTEX | LLVertexBuffer::MAP_TEXCOORD0);
+				const LLVolumeFace& face = volume->getVolumeFace(i);
+				LLVertexBuffer::drawElements(LLRender::TRIANGLES, face.mPositions, face.mTexCoords, face.mNumIndices, face.mIndices);
 			}
 		}
+
+		gGL.popMatrix();
 	}
+	
 }
 
 void LLSelectNode::renderOneWireframe(const LLColor4& color)
diff --git a/indra/newview/llspatialpartition.cpp b/indra/newview/llspatialpartition.cpp
index 900f126049..5d196a465f 100644
--- a/indra/newview/llspatialpartition.cpp
+++ b/indra/newview/llspatialpartition.cpp
@@ -264,7 +264,7 @@ static LLFastTimer::DeclareTimer FTM_BUILD_OCCLUSION("Build Occlusion");
 
 void LLSpatialGroup::buildOcclusion()
 {
-	if (mOcclusionVerts.isNull())
+	//if (mOcclusionVerts.isNull())
 	{
 		mOcclusionVerts = new LLVertexBuffer(LLVertexBuffer::MAP_VERTEX, 
 			LLVertexBuffer::sUseStreamDraw ? mBufferUsage : 0); //if GL has a hard time with VBOs, don't use them for occlusion culling.
@@ -726,7 +726,9 @@ void LLSpatialPartition::rebuildGeom(LLSpatialGroup* group)
 	if (vertex_count > 0 && index_count > 0)
 	{ //create vertex buffer containing volume geometry for this node
 		group->mBuilt = 1.f;
-		if (group->mVertexBuffer.isNull() || (group->mBufferUsage != group->mVertexBuffer->getUsage() && LLVertexBuffer::sEnableVBOs))
+		if (group->mVertexBuffer.isNull() ||
+			!group->mVertexBuffer->isWriteable() ||
+			(group->mBufferUsage != group->mVertexBuffer->getUsage() && LLVertexBuffer::sEnableVBOs))
 		{
 			group->mVertexBuffer = createVertexBuffer(mVertexDataMask, group->mBufferUsage);
 			group->mVertexBuffer->allocateBuffer(vertex_count, index_count, true);
@@ -1185,6 +1187,8 @@ void LLSpatialGroup::clearOcclusionState(U32 state, S32 mode)
 
 LLSpatialGroup::LLSpatialGroup(OctreeNode* node, LLSpatialPartition* part) :
 	mState(0),
+	mGeometryBytes(0),
+	mSurfaceArea(0.f),
 	mBuilt(0.f),
 	mOctreeNode(node),
 	mSpatialPartition(part),
@@ -1410,6 +1414,17 @@ void LLSpatialGroup::handleDestruction(const TreeNode* node)
 		}
 	}
 	
+	//clean up avatar attachment stats
+	LLSpatialBridge* bridge = mSpatialPartition->asBridge();
+	if (bridge)
+	{
+		if (bridge->mAvatar.notNull())
+		{
+			bridge->mAvatar->mAttachmentGeometryBytes -= mGeometryBytes;
+			bridge->mAvatar->mAttachmentSurfaceArea -= mSurfaceArea;
+		}
+	}
+
 	clearDrawMap();
 	mVertexBuffer = NULL;
 	mBufferMap.clear();
@@ -1765,7 +1780,7 @@ void LLSpatialGroup::doOcclusion(LLCamera* camera)
 //==============================================
 
 LLSpatialPartition::LLSpatialPartition(U32 data_mask, BOOL render_by_group, U32 buffer_usage)
-: mRenderByGroup(render_by_group)
+: mRenderByGroup(render_by_group), mBridge(NULL)
 {
 	LLMemType mt(LLMemType::MTYPE_SPACE_PARTITION);
 	mOcclusionEnabled = TRUE;
diff --git a/indra/newview/llspatialpartition.h b/indra/newview/llspatialpartition.h
index 899547ae4d..6c14ecf452 100644
--- a/indra/newview/llspatialpartition.h
+++ b/indra/newview/llspatialpartition.h
@@ -405,6 +405,9 @@ public:
 	bridge_list_t mBridgeList;
 	buffer_map_t mBufferMap; //used by volume buffers to attempt to reuse vertex buffers
 
+	U32 mGeometryBytes; //used by volumes to track how many bytes of geometry data are in this node
+	F32 mSurfaceArea; //used by volumes to track estimated surface area of geometry in this node
+
 	F32 mBuilt;
 	OctreeNode* mOctreeNode;
 	LLSpatialPartition* mSpatialPartition;
@@ -474,8 +477,8 @@ public:
 	BOOL isVisible(const LLVector3& v);
 	bool isHUDPartition() ;
 	
-	virtual LLSpatialBridge* asBridge() { return NULL; }
-	virtual BOOL isBridge() { return asBridge() != NULL; }
+	LLSpatialBridge* asBridge() { return mBridge; }
+	BOOL isBridge() { return asBridge() != NULL; }
 
 	void renderPhysicsShapes();
 	void renderDebug();
@@ -487,6 +490,9 @@ public:
 
 public:
 	LLSpatialGroup::OctreeNode* mOctree;
+	LLSpatialBridge* mBridge; // NULL for non-LLSpatialBridge instances, otherwise, mBridge == this
+							// use a pointer instead of making "isBridge" and "asBridge" virtual so it's safe
+							// to call asBridge() from the destructor
 	BOOL mOcclusionEnabled; // if TRUE, occlusion culling is performed
 	BOOL mInfiniteFarClip; // if TRUE, frustum culling ignores far clip plane
 	U32 mBufferUsage;
@@ -511,8 +517,9 @@ public:
 	
 	LLSpatialBridge(LLDrawable* root, BOOL render_by_group, U32 data_mask);
 	
-	virtual BOOL isSpatialBridge() const		{ return TRUE; }
+	void destroyTree();
 
+	virtual BOOL isSpatialBridge() const		{ return TRUE; }
 	virtual void updateSpatialExtents();
 	virtual void updateBinRadius();
 	virtual void setVisible(LLCamera& camera_in, std::vector<LLDrawable*>* results = NULL, BOOL for_select = FALSE);
@@ -523,11 +530,12 @@ public:
 	virtual void shiftPos(const LLVector4a& vec);
 	virtual void cleanupReferences();
 	virtual LLSpatialPartition* asPartition()		{ return this; }
-	virtual LLSpatialBridge* asBridge()				{ return this; }
-	
+		
 	virtual LLCamera transformCamera(LLCamera& camera);
 	
 	LLDrawable* mDrawable;
+	LLPointer<LLVOAvatar> mAvatar;
+
 };
 
 class LLCullResult 
diff --git a/indra/newview/lltexlayer.h b/indra/newview/lltexlayer.h
index 85dadb213c..4f43547dae 100644
--- a/indra/newview/lltexlayer.h
+++ b/indra/newview/lltexlayer.h
@@ -261,6 +261,8 @@ private:
 //~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 class LLTexLayerSetBuffer : public LLViewerDynamicTexture
 {
+	LOG_CLASS(LLTexLayerSetBuffer);
+
 public:
 	LLTexLayerSetBuffer(LLTexLayerSet* const owner, S32 width, S32 height);
 	virtual ~LLTexLayerSetBuffer();
diff --git a/indra/newview/llviewermenu.cpp b/indra/newview/llviewermenu.cpp
index 4a71e6fc8e..12aed8f448 100644
--- a/indra/newview/llviewermenu.cpp
+++ b/indra/newview/llviewermenu.cpp
@@ -947,6 +947,10 @@ U32 info_display_from_string(std::string info_display)
 	{
 		return LLPipeline::RENDER_DEBUG_COMPOSITION;
 	}
+	else if ("attachment bytes" == info_display)
+	{
+		return LLPipeline::RENDER_DEBUG_ATTACHMENT_BYTES;
+	}
 	else if ("glow" == info_display)
 	{
 		return LLPipeline::RENDER_DEBUG_GLOW;
@@ -2786,8 +2790,31 @@ bool enable_object_mute()
 	else
 	{
 		// Just a regular object
-		return LLSelectMgr::getInstance()->getSelection()->
-			contains( object, SELECT_ALL_TES );
+		return LLSelectMgr::getInstance()->getSelection()->contains( object, SELECT_ALL_TES ) &&
+			   !LLMuteList::getInstance()->isMuted(object->getID());
+	}
+}
+
+bool enable_object_unmute()
+{
+	LLViewerObject* object = LLSelectMgr::getInstance()->getSelection()->getPrimaryObject();
+	if (!object) return false;
+
+	LLVOAvatar* avatar = find_avatar_from_object(object); 
+	if (avatar)
+	{
+		// It's an avatar
+		LLNameValue *lastname = avatar->getNVPair("LastName");
+		bool is_linden =
+			lastname && !LLStringUtil::compareStrings(lastname->getString(), "Linden");
+		bool is_self = avatar->isSelf();
+		return !is_linden && !is_self;
+	}
+	else
+	{
+		// Just a regular object
+		return LLSelectMgr::getInstance()->getSelection()->contains( object, SELECT_ALL_TES ) &&
+			   LLMuteList::getInstance()->isMuted(object->getID());;
 	}
 }
 
@@ -8302,6 +8329,7 @@ void initialize_menus()
 
 	enable.add("Avatar.EnableMute", boost::bind(&enable_object_mute));
 	enable.add("Object.EnableMute", boost::bind(&enable_object_mute));
+	enable.add("Object.EnableUnmute", boost::bind(&enable_object_unmute));
 	enable.add("Object.EnableBuy", boost::bind(&enable_buy_object));
 	commit.add("Object.ZoomIn", boost::bind(&handle_look_at_selection, "zoom"));
 
diff --git a/indra/newview/llviewerobject.cpp b/indra/newview/llviewerobject.cpp
index b8772971aa..37fb77a10a 100644
--- a/indra/newview/llviewerobject.cpp
+++ b/indra/newview/llviewerobject.cpp
@@ -5520,11 +5520,12 @@ void LLViewerObject::dirtyMesh()
 {
 	if (mDrawable)
 	{
-		LLSpatialGroup* group = mDrawable->getSpatialGroup();
+		gPipeline.markRebuild(mDrawable, LLDrawable::REBUILD_ALL);
+		/*LLSpatialGroup* group = mDrawable->getSpatialGroup();
 		if (group)
 		{
 			group->dirtyMesh();
-		}
+		}*/
 	}
 }
 
diff --git a/indra/newview/llviewerwindow.cpp b/indra/newview/llviewerwindow.cpp
index 236c828c16..f5a226b781 100644
--- a/indra/newview/llviewerwindow.cpp
+++ b/indra/newview/llviewerwindow.cpp
@@ -609,7 +609,9 @@ public:
 				
 				addText(xpos, ypos, llformat("%d/%d Mesh HTTP Requests/Retries", LLMeshRepository::sHTTPRequestCount,
 					LLMeshRepository::sHTTPRetryCount));
+				ypos += y_inc;
 				
+				addText(xpos, ypos, llformat("%d/%d Mesh LOD Pending/Processing", LLMeshRepository::sLODPending, LLMeshRepository::sLODProcessing));
 				ypos += y_inc;
 
 				addText(xpos, ypos, llformat("%.3f/%.3f MB Mesh Cache Read/Write ", LLMeshRepository::sCacheBytesRead/(1024.f*1024.f), LLMeshRepository::sCacheBytesWritten/(1024.f*1024.f)));
@@ -1954,18 +1956,24 @@ void LLViewerWindow::shutdownViews()
 	// clean up warning logger
 	LLError::removeRecorder(RecordToChatConsole::getInstance());
 
+	llinfos << "Warning logger is cleaned." << llendl ;
+
 	delete mDebugText;
 	mDebugText = NULL;
 	
+	llinfos << "DebugText deleted." << llendl ;
+
 	// Cleanup global views
 	if (gMorphView)
 	{
 		gMorphView->setVisible(FALSE);
 	}
+	llinfos << "Global views cleaned." << llendl ;
 
 	// DEV-40930: Clear sModalStack. Otherwise, any LLModalDialog left open
 	// will crump with LL_ERRS.
 	LLModalDialog::shutdownModals();
+	llinfos << "LLModalDialog shut down." << llendl; 
 	
 	// destroy the nav bar, not currently part of gViewerWindow
 	// *TODO: Make LLNavigationBar part of gViewerWindow
@@ -1973,14 +1981,17 @@ void LLViewerWindow::shutdownViews()
 	{
 		delete LLNavigationBar::getInstance();
 	}
+	llinfos << "LLNavigationBar destroyed." << llendl ;
 
 	// destroy menus after instantiating navbar above, as it needs
 	// access to gMenuHolder
 	cleanup_menus();
+	llinfos << "menus destroyed." << llendl ;
 
 	// Delete all child views.
 	delete mRootView;
 	mRootView = NULL;
+	llinfos << "RootView deleted." << llendl ;
 
 	// Automatically deleted as children of mRootView.  Fix the globals.
 	gStatusBar = NULL;
diff --git a/indra/newview/llvoavatar.cpp b/indra/newview/llvoavatar.cpp
index 68637a7ed9..bc7f5a9744 100644
--- a/indra/newview/llvoavatar.cpp
+++ b/indra/newview/llvoavatar.cpp
@@ -651,6 +651,8 @@ LLVOAvatar::LLVOAvatar(const LLUUID& id,
 	LLViewerObject(id, pcode, regionp),
 	mIsDummy(FALSE),
 	mSpecialRenderMode(0),
+	mAttachmentGeometryBytes(0),
+	mAttachmentSurfaceArea(0.f),
 	mTurning(FALSE),
 	mPelvisToFoot(0.f),
 	mLastSkeletonSerialNum( 0 ),
@@ -3363,6 +3365,16 @@ void LLVOAvatar::slamPosition()
 	mRoot.updateWorldMatrixChildren();
 }
 
+bool LLVOAvatar::isVisuallyMuted()
+{
+	static LLCachedControl<U32> max_attachment_bytes(gSavedSettings, "RenderAutoMuteByteLimit");
+	static LLCachedControl<F32> max_attachment_area(gSavedSettings, "RenderAutoMuteSurfaceAreaLimit");
+	
+	return LLMuteList::getInstance()->isMuted(getID()) ||
+			(mAttachmentGeometryBytes > max_attachment_bytes && max_attachment_bytes > 0) ||
+			(mAttachmentSurfaceArea > max_attachment_area && max_attachment_area > 0.f);
+}
+
 //------------------------------------------------------------------------
 // updateCharacter()
 // called on both your avatar and other avatars
@@ -3429,8 +3441,9 @@ BOOL LLVOAvatar::updateCharacter(LLAgent &agent)
 		size.setSub(ext[1],ext[0]);
 		F32 mag = size.getLength3().getF32()*0.5f;
 
+		
 		F32 impostor_area = 256.f*512.f*(8.125f - LLVOAvatar::sLODFactor*8.f);
-		if (LLMuteList::getInstance()->isMuted(getID()))
+		if (isVisuallyMuted())
 		{ // muted avatars update at 16 hz
 			mUpdatePeriod = 16;
 		}
@@ -8333,6 +8346,11 @@ void LLVOAvatar::idleUpdateRenderCost()
 
 	static std::set<LLUUID> all_textures;
 
+	if (gPipeline.hasRenderDebugMask(LLPipeline::RENDER_DEBUG_ATTACHMENT_BYTES))
+	{ //set debug text to attachment geometry bytes here so render cost will override
+		setDebugText(llformat("%.1f KB, %.2f m^2", mAttachmentGeometryBytes/1024.f, mAttachmentSurfaceArea));
+	}
+
 	if (!gPipeline.hasRenderDebugMask(LLPipeline::RENDER_DEBUG_SHAME))
 	{
 		return;
diff --git a/indra/newview/llvoavatar.h b/indra/newview/llvoavatar.h
index 59796370ae..dd0317f555 100644
--- a/indra/newview/llvoavatar.h
+++ b/indra/newview/llvoavatar.h
@@ -78,6 +78,8 @@ class LLVOAvatar :
 	public LLCharacter,
 	public boost::signals2::trackable
 {
+	LOG_CLASS(LLVOAvatar);
+
 public:
 	friend class LLVOAvatarSelf;
 protected:
@@ -380,6 +382,8 @@ private:
 
 public:
 	U32 		renderImpostor(LLColor4U color = LLColor4U(255,255,255,255), S32 diffuse_channel = 0);
+	bool		isVisuallyMuted();
+
 	U32 		renderRigid();
 	U32 		renderSkinned(EAvatarRenderPass pass);
 	F32			getLastSkinTime() { return mLastSkinTime; }
@@ -391,6 +395,9 @@ public:
 	static void	restoreGL();
 	BOOL 		mIsDummy; // for special views
 	S32			mSpecialRenderMode; // special lighting
+	U32			mAttachmentGeometryBytes; //number of bytes in attached geometry
+	F32			mAttachmentSurfaceArea; //estimated surface area of attachments
+
 private:
 	bool		shouldAlphaMask();
 
diff --git a/indra/newview/llvoavatarself.cpp b/indra/newview/llvoavatarself.cpp
index 12d08143ee..8be9516ab6 100644
--- a/indra/newview/llvoavatarself.cpp
+++ b/indra/newview/llvoavatarself.cpp
@@ -1574,7 +1574,7 @@ void LLVOAvatarSelf::invalidateAll()
 	{
 		invalidateComposite(mBakedTextureDatas[i].mTexLayerSet, TRUE);
 	}
-	mDebugSelfLoadTimer.reset();
+	//mDebugSelfLoadTimer.reset();
 }
 
 //-----------------------------------------------------------------------------
@@ -1896,11 +1896,13 @@ BOOL LLVOAvatarSelf::getIsCloud()
 		gAgentWearables.getWearableCount(LLWearableType::WT_EYES) == 0 ||
 		gAgentWearables.getWearableCount(LLWearableType::WT_SKIN) == 0)	
 	{
+		lldebugs << "No body parts" << llendl;
 		return TRUE;
 	}
 
 	if (!isTextureDefined(TEX_HAIR, 0))
 	{
+		lldebugs << "No hair texture" << llendl;
 		return TRUE;
 	}
 
@@ -1909,12 +1911,14 @@ BOOL LLVOAvatarSelf::getIsCloud()
 		if (!isLocalTextureDataAvailable(mBakedTextureDatas[BAKED_LOWER].mTexLayerSet) &&
 			(!isTextureDefined(TEX_LOWER_BAKED, 0)))
 		{
+			lldebugs << "Lower textures not baked" << llendl;
 			return TRUE;
 		}
 
 		if (!isLocalTextureDataAvailable(mBakedTextureDatas[BAKED_UPPER].mTexLayerSet) &&
 			(!isTextureDefined(TEX_UPPER_BAKED, 0)))
 		{
+			lldebugs << "Upper textures not baked" << llendl;
 			return TRUE;
 		}
 
@@ -1931,10 +1935,12 @@ BOOL LLVOAvatarSelf::getIsCloud()
 			const LLViewerTexture* baked_img = getImage( texture_data.mTextureIndex, 0 );
 			if (!baked_img || !baked_img->hasGLTexture())
 			{
+				lldebugs << "Texture at index " << i << " (texture index is " << texture_data.mTextureIndex << ") is not loaded" << llendl;
 				return TRUE;
 			}
 		}
 
+		lldebugs << "Avatar de-clouded" << llendl;
 	}
 	return FALSE;
 }
@@ -2258,6 +2264,7 @@ void LLVOAvatarSelf::setNewBakedTexture( ETextureIndex te, const LLUUID& uuid )
 	}
 }
 
+// FIXME: This is never called. Something may be broken.
 void LLVOAvatarSelf::outputRezDiagnostics() const
 {
 	if(!gSavedSettings.getBOOL("DebugAvatarLocalTexLoadedTime"))
@@ -2315,6 +2322,18 @@ void LLVOAvatarSelf::outputRezDiagnostics() const
 	}
 }
 
+void LLVOAvatarSelf::outputRezTiming(const std::string& msg) const
+{
+	LL_DEBUGS("Avatar Rez")
+		<< llformat("%s. Time from avatar creation: %.2f", msg.c_str(), mDebugSelfLoadTimer.getElapsedTimeF32())
+		<< llendl;
+}
+
+void LLVOAvatarSelf::reportAvatarRezTime() const
+{
+	// TODO: report mDebugSelfLoadTimer.getElapsedTimeF32() somehow.
+}
+
 //-----------------------------------------------------------------------------
 // setCachedBakedTexture()
 // A baked texture id was received from a cache query, make it active
diff --git a/indra/newview/llvoavatarself.h b/indra/newview/llvoavatarself.h
index 74ff47a3e4..54dbe81993 100644
--- a/indra/newview/llvoavatarself.h
+++ b/indra/newview/llvoavatarself.h
@@ -41,6 +41,7 @@ struct LocalTextureData;
 class LLVOAvatarSelf :
 	public LLVOAvatar
 {
+	LOG_CLASS(LLVOAvatarSelf);
 
 /********************************************************************************
  **                                                                            **
@@ -358,6 +359,8 @@ public:
 	void 					debugWearablesLoaded() { mDebugTimeWearablesLoaded = mDebugSelfLoadTimer.getElapsedTimeF32(); }
 	void 					debugAvatarVisible() { mDebugTimeAvatarVisible = mDebugSelfLoadTimer.getElapsedTimeF32(); }
 	void 					outputRezDiagnostics() const;
+	void					outputRezTiming(const std::string& msg) const;
+	void					reportAvatarRezTime() const;
 	void 					debugBakedTextureUpload(LLVOAvatarDefines::EBakedTextureIndex index, BOOL finished);
 	static void				debugOnTimingLocalTexLoaded(BOOL success, LLViewerFetchedTexture *src_vi, LLImageRaw* src, LLImageRaw* aux_src, S32 discard_level, BOOL final, void* userdata);
 
diff --git a/indra/newview/llvosurfacepatch.cpp b/indra/newview/llvosurfacepatch.cpp
index c3a2e6a712..bf6158eeaf 100644
--- a/indra/newview/llvosurfacepatch.cpp
+++ b/indra/newview/llvosurfacepatch.cpp
@@ -65,7 +65,7 @@ public:
 			return;
 		}
 
-		U8* base = useVBOs() ? (U8*) mAlignedOffset : mMappedData;
+		volatile U8* base = useVBOs() ? (U8*) mAlignedOffset : mMappedData;
 
 		//assume tex coords 2 and 3 are present
 		U32 type_mask = mTypeMask | MAP_TEXCOORD2 | MAP_TEXCOORD3;
diff --git a/indra/newview/llvovolume.cpp b/indra/newview/llvovolume.cpp
index 20f8674655..7492a06784 100644
--- a/indra/newview/llvovolume.cpp
+++ b/indra/newview/llvovolume.cpp
@@ -4097,6 +4097,32 @@ void LLVolumeGeometryManager::rebuildGeom(LLSpatialGroup* group)
 
 	LLFastTimer ftm2(FTM_REBUILD_VOLUME_VB);
 
+	LLVOAvatar* pAvatarVO = NULL;
+
+	LLSpatialBridge* bridge = group->mSpatialPartition->asBridge();
+	if (bridge)
+	{
+		if (bridge->mAvatar.isNull())
+		{
+			LLViewerObject* vobj = bridge->mDrawable->getVObj();
+			if (vobj)
+			{
+				bridge->mAvatar = vobj->getAvatar();
+			}
+		}
+
+		pAvatarVO = bridge->mAvatar;
+	}
+
+	if (pAvatarVO)
+	{
+		pAvatarVO->mAttachmentGeometryBytes -= group->mGeometryBytes;
+		pAvatarVO->mAttachmentSurfaceArea -= group->mSurfaceArea;
+	}
+
+	group->mGeometryBytes = 0;
+	group->mSurfaceArea = 0;
+	
 	group->clearDrawMap();
 
 	mFaceList.clear();
@@ -4133,12 +4159,24 @@ void LLVolumeGeometryManager::rebuildGeom(LLSpatialGroup* group)
 
 		LLVOVolume* vobj = drawablep->getVOVolume();
 
+		if (!vobj)
+		{
+			continue;
+		}
+
 		if (vobj->isMesh() &&
 			(vobj->getVolume() && !vobj->getVolume()->isMeshAssetLoaded() || !gMeshRepo.meshRezEnabled()))
 		{
 			continue;
 		}
 
+		LLVolume* volume = vobj->getVolume();
+		if (volume)
+		{
+			const LLVector3& scale = vobj->getScale();
+			group->mSurfaceArea += volume->getSurfaceArea() * llmax(llmax(scale.mV[0], scale.mV[1]), scale.mV[2]);
+		}
+
 		llassert_always(vobj);
 		vobj->updateTextureVirtualSize(true);
 		vobj->preRebuild();
@@ -4183,7 +4221,6 @@ void LLVolumeGeometryManager::rebuildGeom(LLSpatialGroup* group)
 				//Determine if we've received skininfo that contains an
 				//alternate bind matrix - if it does then apply the translational component
 				//to the joints of the avatar.
-				LLVOAvatar* pAvatarVO = vobj->getAvatar();
 				bool pelvisGotSet = false;
 
 				if ( pAvatarVO )
@@ -4253,13 +4290,16 @@ void LLVolumeGeometryManager::rebuildGeom(LLSpatialGroup* group)
 
 					if (type == LLDrawPool::POOL_ALPHA)
 					{
-						if (te->getFullbright())
+						if (te->getColor().mV[3] > 0.f)
 						{
-							pool->addRiggedFace(facep, LLDrawPoolAvatar::RIGGED_FULLBRIGHT_ALPHA);
-						}
-						else
-						{
-							pool->addRiggedFace(facep, LLDrawPoolAvatar::RIGGED_ALPHA);
+							if (te->getFullbright())
+							{
+								pool->addRiggedFace(facep, LLDrawPoolAvatar::RIGGED_FULLBRIGHT_ALPHA);
+							}
+							else
+							{
+								pool->addRiggedFace(facep, LLDrawPoolAvatar::RIGGED_ALPHA);
+							}
 						}
 					}
 					else if (te->getShiny())
@@ -4392,8 +4432,11 @@ void LLVolumeGeometryManager::rebuildGeom(LLSpatialGroup* group)
 					}
 					else
 					{
-						drawablep->setState(LLDrawable::HAS_ALPHA);
-						alpha_faces.push_back(facep);
+						if (te->getColor().mV[3] > 0.f)
+						{
+							drawablep->setState(LLDrawable::HAS_ALPHA);
+							alpha_faces.push_back(facep);
+						}
 					}
 				}
 				else
@@ -4510,6 +4553,12 @@ void LLVolumeGeometryManager::rebuildGeom(LLSpatialGroup* group)
 	}
 
 	mFaceList.clear();
+
+	if (pAvatarVO)
+	{
+		pAvatarVO->mAttachmentGeometryBytes += group->mGeometryBytes;
+		pAvatarVO->mAttachmentSurfaceArea += group->mSurfaceArea;
+	}
 }
 
 static LLFastTimer::DeclareTimer FTM_VOLUME_GEOM("Volume Geometry");
@@ -4806,17 +4855,20 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::
 	
 		//create/delete/resize vertex buffer if needed
 		LLVertexBuffer* buffer = NULL;
-		LLSpatialGroup::buffer_texture_map_t::iterator found_iter = group->mBufferMap[mask].find(*face_iter);
+
+		{ //try to find a buffer to reuse
+			LLSpatialGroup::buffer_texture_map_t::iterator found_iter = group->mBufferMap[mask].find(*face_iter);
 		
-		if (found_iter != group->mBufferMap[mask].end())
-		{
-			if ((U32) buffer_index < found_iter->second.size())
+			if (found_iter != group->mBufferMap[mask].end())
 			{
-				buffer = found_iter->second[buffer_index];
+				if ((U32) buffer_index < found_iter->second.size())
+				{
+					buffer = found_iter->second[buffer_index];
+				}
 			}
 		}
 						
-		if (!buffer)
+		if (!buffer || !buffer->isWriteable())
 		{ //create new buffer if needed
 			buffer = createVertexBuffer(mask, buffer_usage);
 			buffer->allocateBuffer(geom_count, index_count, TRUE);
@@ -4835,6 +4887,9 @@ void LLVolumeGeometryManager::genDrawInfo(LLSpatialGroup* group, U32 mask, std::
 			}
 		}
 
+		group->mGeometryBytes += buffer->getSize() + buffer->getIndicesSize();
+
+
 		buffer_map[mask][*face_iter].push_back(buffer);
 
 		//add face geometry
diff --git a/indra/newview/llvowater.cpp b/indra/newview/llvowater.cpp
index 7df50ec815..315616e8a5 100644
--- a/indra/newview/llvowater.cpp
+++ b/indra/newview/llvowater.cpp
@@ -167,7 +167,7 @@ BOOL LLVOWater::updateGeometry(LLDrawable *drawable)
 				  indices_per_quad * num_quads);
 	
 	LLVertexBuffer* buff = face->getVertexBuffer();
-	if (!buff)
+	if (!buff || !buff->isWriteable())
 	{
 		buff = new LLVertexBuffer(LLDrawPoolWater::VERTEX_DATA_MASK, GL_DYNAMIC_DRAW_ARB);
 		buff->allocateBuffer(face->getGeomCount(), face->getIndicesCount(), TRUE);
diff --git a/indra/newview/llvowlsky.cpp b/indra/newview/llvowlsky.cpp
index f1c5499d84..afd902201b 100644
--- a/indra/newview/llvowlsky.cpp
+++ b/indra/newview/llvowlsky.cpp
@@ -774,7 +774,7 @@ BOOL LLVOWLSky::updateStarGeometry(LLDrawable *drawable)
 	LLStrider<LLColor4U> colorsp;
 	LLStrider<LLVector2> texcoordsp;
 
-	if (mStarsVerts.isNull())
+	if (mStarsVerts.isNull() || !mStarsVerts->isWriteable())
 	{
 		mStarsVerts = new LLVertexBuffer(LLDrawPoolWLSky::STAR_VERTEX_DATA_MASK, GL_DYNAMIC_DRAW);
 		mStarsVerts->allocateBuffer(getStarsNumVerts()*6, 0, TRUE);
diff --git a/indra/newview/llxmlrpctransaction.cpp b/indra/newview/llxmlrpctransaction.cpp
index 920a9a3752..0da70d398b 100644
--- a/indra/newview/llxmlrpctransaction.cpp
+++ b/indra/newview/llxmlrpctransaction.cpp
@@ -305,6 +305,15 @@ void LLXMLRPCTransaction::Impl::init(XMLRPC_REQUEST request, bool useGzip)
 	{
 		mCurlRequest = new LLCurlEasyRequest();
 	}
+	if(!mCurlRequest->isValid())
+	{
+		llwarns << "mCurlRequest is invalid." << llendl ;
+
+		delete mCurlRequest ;
+		mCurlRequest = NULL ;
+		return ;
+	}
+
 	mErrorCert = NULL;
 
 //	mCurlRequest->setopt(CURLOPT_VERBOSE, 1); // useful for debugging
@@ -357,10 +366,20 @@ LLXMLRPCTransaction::Impl::~Impl()
 	}
 	
 	delete mCurlRequest;
+	mCurlRequest = NULL ;
 }
 
 bool LLXMLRPCTransaction::Impl::process()
 {
+	if(!mCurlRequest || !mCurlRequest->isValid())
+	{
+		llwarns << "transaction failed." << llendl ;
+
+		delete mCurlRequest ;
+		mCurlRequest = NULL ;
+		return true ; //failed, quit.
+	}
+
 	switch(mStatus)
 	{
 		case LLXMLRPCTransaction::StatusComplete:
diff --git a/indra/newview/pipeline.cpp b/indra/newview/pipeline.cpp
index 8449e74fb6..c523a78b22 100644
--- a/indra/newview/pipeline.cpp
+++ b/indra/newview/pipeline.cpp
@@ -1217,10 +1217,12 @@ void LLPipeline::restoreGL()
 
 BOOL LLPipeline::canUseVertexShaders()
 {
+	static const std::string vertex_shader_enable_feature_string = "VertexShaderEnable";
+
 	if (sDisableShaders ||
 		!gGLManager.mHasVertexShader ||
 		!gGLManager.mHasFragmentShader ||
-		!LLFeatureManager::getInstance()->isFeatureAvailable("VertexShaderEnable") ||
+		!LLFeatureManager::getInstance()->isFeatureAvailable(vertex_shader_enable_feature_string) ||
 		(assertInitialized() && mVertexShadersLoaded != 1) )
 	{
 		return FALSE;
@@ -3765,6 +3767,7 @@ void LLPipeline::renderGeom(LLCamera& camera, BOOL forceVBOUpdate)
 	LLAppViewer::instance()->pingMainloopTimeout("Pipeline:ForceVBO");
 	
 	// Initialize lots of GL state to "safe" values
+	gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE);
 	gGL.matrixMode(LLRender::MM_TEXTURE);
 	gGL.loadIdentity();
 	gGL.matrixMode(LLRender::MM_MODELVIEW);
@@ -5296,7 +5299,8 @@ void LLPipeline::setupHWLights(LLDrawPool* pool)
 			light_state->setConstantAttenuation(0.f);
 			if (sRenderDeferred)
 			{
-				light_state->setLinearAttenuation(light_radius*1.5f);
+				F32 size = light_radius*1.5f;
+				light_state->setLinearAttenuation(size*size);
 				light_state->setQuadraticAttenuation(light->getLightFalloff()*0.5f+1.f);
 			}
 			else
@@ -5318,7 +5322,8 @@ void LLPipeline::setupHWLights(LLDrawPool* pool)
 				light_state->setSpotCutoff(90.f);
 				light_state->setSpotExponent(2.f);
 	
-				light_state->setSpecular(LLColor4::black);
+				const LLColor4 specular(0.f, 0.f, 0.f, 0.f);
+				light_state->setSpecular(specular);
 			}
 			else // omnidirectional (point) light
 			{
@@ -9419,7 +9424,7 @@ void LLPipeline::generateImpostor(LLVOAvatar* avatar)
 
 	assertInitialized();
 
-	BOOL muted = LLMuteList::getInstance()->isMuted(avatar->getID());
+	bool muted = avatar->isVisuallyMuted();		
 
 	pushRenderTypeMask();
 	
diff --git a/indra/newview/pipeline.h b/indra/newview/pipeline.h
index 2815d736e4..9c78048c46 100644
--- a/indra/newview/pipeline.h
+++ b/indra/newview/pipeline.h
@@ -432,34 +432,35 @@ public:
 
 	enum LLRenderDebugMask
 	{
-		RENDER_DEBUG_COMPOSITION		= 0x0000001,
-		RENDER_DEBUG_VERIFY				= 0x0000002,
-		RENDER_DEBUG_BBOXES				= 0x0000004,
-		RENDER_DEBUG_OCTREE				= 0x0000008,
-		RENDER_DEBUG_WIND_VECTORS		= 0x0000010,
-		RENDER_DEBUG_OCCLUSION			= 0x0000020,
-		RENDER_DEBUG_POINTS				= 0x0000040,
-		RENDER_DEBUG_TEXTURE_PRIORITY	= 0x0000080,
-		RENDER_DEBUG_TEXTURE_AREA		= 0x0000100,
-		RENDER_DEBUG_FACE_AREA			= 0x0000200,
-		RENDER_DEBUG_PARTICLES			= 0x0000400,
-		RENDER_DEBUG_GLOW				= 0x0000800,
-		RENDER_DEBUG_TEXTURE_ANIM		= 0x0001000,
-		RENDER_DEBUG_LIGHTS				= 0x0002000,
-		RENDER_DEBUG_BATCH_SIZE			= 0x0004000,
-		RENDER_DEBUG_ALPHA_BINS			= 0x0008000,
-		RENDER_DEBUG_RAYCAST            = 0x0010000,
-		RENDER_DEBUG_SHAME				= 0x0020000,
-		RENDER_DEBUG_SHADOW_FRUSTA		= 0x0040000,
-		RENDER_DEBUG_SCULPTED           = 0x0080000,
-		RENDER_DEBUG_AVATAR_VOLUME      = 0x0100000,
-		RENDER_DEBUG_BUILD_QUEUE		= 0x0200000,
-		RENDER_DEBUG_AGENT_TARGET       = 0x0400000,
-		RENDER_DEBUG_UPDATE_TYPE		= 0x0800000,
-		RENDER_DEBUG_PHYSICS_SHAPES     = 0x1000000,
-		RENDER_DEBUG_NORMALS	        = 0x2000000,
-		RENDER_DEBUG_LOD_INFO	        = 0x4000000,
-		RENDER_DEBUG_RENDER_COMPLEXITY  = 0x8000000
+		RENDER_DEBUG_COMPOSITION		= 0x00000001,
+		RENDER_DEBUG_VERIFY				= 0x00000002,
+		RENDER_DEBUG_BBOXES				= 0x00000004,
+		RENDER_DEBUG_OCTREE				= 0x00000008,
+		RENDER_DEBUG_WIND_VECTORS		= 0x00000010,
+		RENDER_DEBUG_OCCLUSION			= 0x00000020,
+		RENDER_DEBUG_POINTS				= 0x00000040,
+		RENDER_DEBUG_TEXTURE_PRIORITY	= 0x00000080,
+		RENDER_DEBUG_TEXTURE_AREA		= 0x00000100,
+		RENDER_DEBUG_FACE_AREA			= 0x00000200,
+		RENDER_DEBUG_PARTICLES			= 0x00000400,
+		RENDER_DEBUG_GLOW				= 0x00000800,
+		RENDER_DEBUG_TEXTURE_ANIM		= 0x00001000,
+		RENDER_DEBUG_LIGHTS				= 0x00002000,
+		RENDER_DEBUG_BATCH_SIZE			= 0x00004000,
+		RENDER_DEBUG_ALPHA_BINS			= 0x00008000,
+		RENDER_DEBUG_RAYCAST            = 0x00010000,
+		RENDER_DEBUG_SHAME				= 0x00020000,
+		RENDER_DEBUG_SHADOW_FRUSTA		= 0x00040000,
+		RENDER_DEBUG_SCULPTED           = 0x00080000,
+		RENDER_DEBUG_AVATAR_VOLUME      = 0x00100000,
+		RENDER_DEBUG_BUILD_QUEUE		= 0x00200000,
+		RENDER_DEBUG_AGENT_TARGET       = 0x00400000,
+		RENDER_DEBUG_UPDATE_TYPE		= 0x00800000,
+		RENDER_DEBUG_PHYSICS_SHAPES     = 0x01000000,
+		RENDER_DEBUG_NORMALS	        = 0x02000000,
+		RENDER_DEBUG_LOD_INFO	        = 0x04000000,
+		RENDER_DEBUG_RENDER_COMPLEXITY  = 0x08000000,
+		RENDER_DEBUG_ATTACHMENT_BYTES	= 0x10000000,
 	};
 
 public:
diff --git a/indra/newview/skins/default/xui/en/floater_about_land.xml b/indra/newview/skins/default/xui/en/floater_about_land.xml
index e05b2150a1..2781717f0b 100644
--- a/indra/newview/skins/default/xui/en/floater_about_land.xml
+++ b/indra/newview/skins/default/xui/en/floater_about_land.xml
@@ -1952,35 +1952,17 @@ Only large parcels can be listed in search.
 				(Defined by the Estate)
 			</panel.string>
       <panel.string
-       name="allow_public_access">
-        Allow Public Access ([MATURITY]) (Note: Unchecking this will create ban lines)
-      </panel.string>
-            <panel.string
              name="estate_override">
                 One or more of these options is set at the estate level
             </panel.string>
-            <text
-             type="string"
-             length="1"
-             follows="left|top"
-             height="16"
-             layout="topleft"
-             left="10"
-             name="Limit access to this parcel to:"
-             text_color="White"
-             top="10"
-             width="400">
-                Access To This Parcel
-            </text>
             <check_box
              follows="top|left"
              height="16"
              layout="topleft"
-             left_delta="0"
+             left="8"
              name="public_access"
-             top_pad="5"
-             label_text.valign="center"
-             label_text.v_pad="-2" 
+             label="Allow Public Access (Unchecking this will create ban lines)"
+             top_pad="10" 
              width="278" />
             <text
              type="string"
@@ -1990,28 +1972,28 @@ Only large parcels can be listed in search.
              layout="topleft"
              left_delta="20"
              name="Only Allow"
-             top="49"
+             top="30"
              width="325">
-                Restrict Access to Residents verified by:
+                Allow access only to Residents who:
             </text>
             <check_box
              follows="top|left"
              height="16"
-             label="Payment Information on File [ESTATE_PAYMENT_LIMIT]"
+             label="Have payment Information on File [ESTATE_PAYMENT_LIMIT]"
              layout="topleft"
              left_delta="0"
              name="limit_payment"
-             tool_tip="Ban unidentified Residents."
+             tool_tip="Residents must have payment information on file to access this parcel.  See the [SUPPORT_SITE] for more information."
              top_pad="4"
              width="278" />
             <check_box
              follows="top|left"
              height="16"
-             label="Age Verification [ESTATE_AGE_LIMIT]"
+             label="Have been age-verified [ESTATE_AGE_LIMIT]"
              layout="topleft"
              left_delta="0"
              name="limit_age_verified"
-             tool_tip="Ban Residents who have not verified their age. See the [SUPPORT_SITE] for more information."
+             tool_tip="Residents must be age verified to access this parcel. See the [SUPPORT_SITE] for more information."
              top_pad="4"
              width="278" />
             <check_box
@@ -2021,7 +2003,7 @@ Only large parcels can be listed in search.
              left="8"
              name="GroupCheck"
              tool_tip="Set group in the General tab."
-             top="109"
+             top="89"
              width="278" />
             <check_box
              enabled="false"
diff --git a/indra/newview/skins/default/xui/en/menu_inspect_object_gear.xml b/indra/newview/skins/default/xui/en/menu_inspect_object_gear.xml
index f818ebe2d7..63e154697b 100644
--- a/indra/newview/skins/default/xui/en/menu_inspect_object_gear.xml
+++ b/indra/newview/skins/default/xui/en/menu_inspect_object_gear.xml
@@ -114,6 +114,15 @@
      function="Object.EnableMute" />
   </menu_item_call>
   <menu_item_call
+   label="Unblock"
+   layout="topleft"
+   name="unblock">
+    <menu_item_call.on_click
+     function="Object.Mute" />
+    <menu_item_call.on_visible
+     function="Object.EnableUnmute" />
+  </menu_item_call>
+  <menu_item_call
     label="Zoom In"
     layout="topleft"
    name="zoom_in">
diff --git a/indra/newview/skins/default/xui/en/menu_viewer.xml b/indra/newview/skins/default/xui/en/menu_viewer.xml
index 1f72984166..cd8550b00d 100644
--- a/indra/newview/skins/default/xui/en/menu_viewer.xml
+++ b/indra/newview/skins/default/xui/en/menu_viewer.xml
@@ -153,13 +153,6 @@
          function="BuyCurrency" />
       </menu_item_call>
       <menu_item_call
-         label="Merchant Outbox..."
-         name="MerchantOutbox">
-        <menu_item_call.on_click
-         function="Floater.ToggleOrBringToFront"
-         parameter="outbox" />
-      </menu_item_call>
-      <menu_item_call
            label="Account dashboard..."
            name="Manage My Account">
         <menu_item_call.on_click
@@ -2419,6 +2412,16 @@
            function="Advanced.ToggleInfoDisplay"
            parameter="rendercomplexity" />
         </menu_item_check>
+        <menu_item_check
+         label="Attachment Bytes"
+         name="attachment bytes">
+          <menu_item_check.on_check
+           function="Advanced.CheckInfoDisplay"
+           parameter="attachment bytes" />
+          <menu_item_check.on_click
+           function="Advanced.ToggleInfoDisplay"
+           parameter="attachment bytes" />
+        </menu_item_check>
 		<menu_item_check
          label="Sculpt"
          name="Sculpt">
diff --git a/indra/newview/skins/default/xui/en/panel_preferences_privacy.xml b/indra/newview/skins/default/xui/en/panel_preferences_privacy.xml
index 47236c1a48..587c461bee 100644
--- a/indra/newview/skins/default/xui/en/panel_preferences_privacy.xml
+++ b/indra/newview/skins/default/xui/en/panel_preferences_privacy.xml
@@ -59,7 +59,6 @@
      top_pad="30"
      width="350" />
     <check_box
-     enabled_control="EnableVoiceChat"
      control_name="VoiceCallsFriendsOnly"
      height="16"
      label="Only friends and groups can call or IM me"
diff --git a/indra/newview/skins/default/xui/en/panel_region_estate.xml b/indra/newview/skins/default/xui/en/panel_region_estate.xml
index 6b28639a77..bfd796a62b 100644
--- a/indra/newview/skins/default/xui/en/panel_region_estate.xml
+++ b/indra/newview/skins/default/xui/en/panel_region_estate.xml
@@ -134,26 +134,26 @@
      name="Only Allow"
      top_delta="-30"
      width="278">
-        Restrict Access to accounts verified by:
+        Allow access only to Residents who:
     </text>
     <check_box
      follows="top|left"
      height="16"
-     label="Payment Information on File"
+     label="Have payment information on file"
      layout="topleft"
      left_delta="0"
      name="limit_payment"
-     tool_tip="Ban unidentified Residents"
+     tool_tip="Residents must have payment information on file to access this estate.  See the [SUPPORT_SITE] for more information."
      top_pad="2"
      width="278" />
     <check_box
      follows="top|left"
      height="16"
-     label="Age Verification"
+     label="Have been age-verified"
      layout="topleft"
      left_delta="0"
      name="limit_age_verified"
-     tool_tip="Ban Residents who have not verified their age. See the [SUPPORT_SITE] for more information."
+     tool_tip="Residents must be age verified to access this estate. See the [SUPPORT_SITE] for more information."
      top_pad="2"
      width="278" />
 
diff --git a/indra/viewer_components/updater/llupdatedownloader.cpp b/indra/viewer_components/updater/llupdatedownloader.cpp
index e88d1bf811..19ac418e9e 100644
--- a/indra/viewer_components/updater/llupdatedownloader.cpp
+++ b/indra/viewer_components/updater/llupdatedownloader.cpp
@@ -39,7 +39,7 @@
 #include "llsdserialize.h"
 #include "llthread.h"
 #include "llupdaterservice.h"
-
+#include "llcurl.h"
 
 class LLUpdateDownloader::Implementation:
 	public LLThread
@@ -198,13 +198,19 @@ LLUpdateDownloader::Implementation::Implementation(LLUpdateDownloader::Client &
 
 LLUpdateDownloader::Implementation::~Implementation()
 {
-	if(isDownloading()) {
+	if(isDownloading()) 
+	{
 		cancel();
 		shutdown();
-	} else {
+	} 
+	else 
+	{
 		; // No op.
 	}
-	if(mCurl) curl_easy_cleanup(mCurl);
+	if(mCurl)
+	{
+		LLCurl::deleteEasyHandle(mCurl);
+	}
 }
 
 
@@ -406,9 +412,12 @@ void LLUpdateDownloader::Implementation::run(void)
 
 void LLUpdateDownloader::Implementation::initializeCurlGet(std::string const & url, bool processHeader)
 {
-	if(mCurl == 0) {
-		mCurl = curl_easy_init();
-	} else {
+	if(mCurl == 0) 
+	{
+		mCurl = LLCurl::newEasyHandle();
+	} 
+	else 
+	{
 		curl_easy_reset(mCurl);
 	}