+LTTng 0.5.38 : Fix deadlock scenario involving deliver from an NMI handler.<br>
+LTTng 0.5.40/ltt-usertrace 0.8 : Fix off-by-one which pushes the reader with small subbuffers (only in buffer full condition)<br>
+genevent 0.18 fixes missing nested subtypes align/write functions.<br>