diff --git a/src/input/input.cpp b/src/input/input.cpp
index c6c7c9f4..3fec9df9 100644
--- a/src/input/input.cpp
+++ b/src/input/input.cpp
@@ -320,8 +320,10 @@ namespace Mist {
   
   
   bool Input::bufferFrame(unsigned int track, unsigned int keyNum){
-    if (keyNum >= myMeta.tracks[track].keys.size()){
+    VERYHIGH_MSG("bufferFrame for stream %s, track %u, key %u", streamName.c_str(), track, keyNum);
+    if (keyNum > myMeta.tracks[track].keys.size()){
       //End of movie here, returning true to avoid various error messages
+      VERYHIGH_MSG("Key number is higher than total key count. Cancelling bufferFrame"); 
       return true;
     }
     if (keyNum < 1){keyNum = 1;}
@@ -336,15 +338,18 @@ namespace Mist {
         }
       }
       pageCounter[track][pageNumber] = 15;
+      VERYHIGH_MSG("Key %u is already buffered in page %n. Cancelling bufferFrame", keyNum, pageNumber); 
       return true;
     }
     if (!pagesByTrack.count(track)){
+      WARN_MSG("No pages for track %u found! Cancelling bufferFrame", track); 
       return false;
     }
     //Update keynum to point to the corresponding page
     INFO_MSG("Updating keynum %u to %lu", keyNum, (--(pagesByTrack[track].upper_bound(keyNum)))->first);
     keyNum = (--(pagesByTrack[track].upper_bound(keyNum)))->first;
     if (!bufferStart(track, keyNum)){
+      WARN_MSG("bufferStart failed! Cancelling bufferFrame", track); 
       return false;
     }
 
diff --git a/src/io.cpp b/src/io.cpp
index 6021e62d..76ffb12e 100644
--- a/src/io.cpp
+++ b/src/io.cpp
@@ -6,6 +6,7 @@ namespace Mist {
   ///
   ///Assumes myMeta contains the metadata to write.
   void InOutBase::initiateMeta() {
+    VERYHIGH_MSG("initiateMeta for stream %s", streamName.c_str());
     //Open the page for the metadata
     char pageName[NAME_BUFFER_SIZE];
     snprintf(pageName, NAME_BUFFER_SIZE, SHM_STREAM_INDEX, streamName.c_str());
@@ -25,6 +26,7 @@ namespace Mist {
   ///\param tid The trackid of the page to start buffering
   ///\param pageNumber The number of the page to start buffering
   bool InOutBase::bufferStart(unsigned long tid, unsigned long pageNumber) {
+    VERYHIGH_MSG("bufferStart for stream %s, track %lu, page %lu", streamName.c_str(), tid, pageNumber);
     //Initialize the stream metadata if it does not yet exist
     if (!metaPages.count(0)) {
       initiateMeta();