diff --git a/components/common/cpp/src/timer.cpp b/components/common/cpp/src/timer.cpp
index 02b9337ab7fcf4059f41433c16030d75fef1d54f..eb6ea802472d848f3cd8ef029a4f8aff092d377c 100644
--- a/components/common/cpp/src/timer.cpp
+++ b/components/common/cpp/src/timer.cpp
@@ -127,7 +127,7 @@ static void trigger_jobs() {
 	// Now use thread jobs to do more intensive callbacks
 	for (auto &j : jobs[kTimerMain]) {
 		if (j.active) {
-			LOG(WARNING) << "Timer job too slow ... skipped for " << ts;
+			DLOG(WARNING) << "Timer job too slow ... skipped for " << ts;
 			continue;
 		}
 		j.active = true;
diff --git a/components/rgbd-sources/src/group.cpp b/components/rgbd-sources/src/group.cpp
index ce005ac004506b8c6422b6ebb876ce1b748c34f9..3b3d9afffede25362bf3d44681e06ac2e219fb45 100644
--- a/components/rgbd-sources/src/group.cpp
+++ b/components/rgbd-sources/src/group.cpp
@@ -48,7 +48,7 @@ void Group::addSource(ftl::rgbd::Source *src) {
 	src->setCallback([this,ix,src](int64_t timestamp, cv::Mat &rgb, cv::Mat &depth) {
 		if (timestamp == 0) return;
 
-		LOG(INFO) << "SRC CB: " << timestamp << " (" << framesets_[head_].timestamp << ")";
+		//LOG(INFO) << "SRC CB: " << timestamp << " (" << framesets_[head_].timestamp << ")";
 
 		UNIQUE_LOCK(mutex_, lk);
 		if (timestamp > framesets_[head_].timestamp) {
@@ -96,7 +96,7 @@ void Group::addSource(ftl::rgbd::Source *src) {
 				return;
 			}
 		}
-		LOG(WARNING) << "Frame timestamp not found in buffer";
+		DLOG(WARNING) << "Frame timestamp not found in buffer";
 	});
 }
 
@@ -188,7 +188,7 @@ void Group::sync(std::function<bool(ftl::rgbd::FrameSet &)> cb) {
 				// The buffers are invalid after callback so mark stale
 				fs->stale = true;
 			} else {
-				LOG(INFO) << "NO FRAME FOUND: " << last_ts_ - latency_*mspf_;
+				DLOG(INFO) << "NO FRAME FOUND: " << last_ts_ - latency_*mspf_;
 			}
 		}
 
@@ -230,14 +230,12 @@ ftl::rgbd::FrameSet *Group::_getFrameset(int f) {
 
 void Group::_addFrameset(int64_t timestamp) {
 	int count = (framesets_[head_].timestamp == -1) ? 1 : (timestamp - framesets_[head_].timestamp) / mspf_;
-	// Must make sure to also insert missing framesets
-	//LOG(INFO) << "Adding " << count << " framesets for " << timestamp << " head=" << framesets_[head_].timestamp;
-
-	//if (count > 10 || count < 1) return;
 
+	// Allow for massive timestamp changes (Windows clock adjust)
+	// Only add a single frameset for large changes
 	if (count < -kFrameBufferSize || count >= kFrameBufferSize-1) {
 		head_ = (head_+1) % kFrameBufferSize;
-		//UNIQUE_LOCK(framesets_[head_].mtx, lk);
+
 		if (!framesets_[head_].mtx.try_lock()) {
 			LOG(ERROR) << "Frameset in use!!";
 			return;
@@ -259,10 +257,11 @@ void Group::_addFrameset(int64_t timestamp) {
 
 	if (count < 1) return;
 
+	// Must make sure to also insert missing framesets
 	for (int i=0; i<count; ++i) {
 		int64_t lt = (framesets_[head_].timestamp == -1) ? timestamp-mspf_ : framesets_[head_].timestamp;
 		head_ = (head_+1) % kFrameBufferSize;
-		//UNIQUE_LOCK(framesets_[head_].mtx, lk);
+
 		if (!framesets_[head_].mtx.try_lock()) {
 			LOG(ERROR) << "Frameset in use!!";
 			break;