following such error message when you run on linux x64 is output. ubuntu 12.04.3, if you use the start-stop-daemon. it is an error. [18:35:49.985] assert failed /mnt/jenkins/workspace/Build-Sync-x64/btlog.cpp:272assert failed /mnt/jenkins/workspace/Build-Sync-x64/btlog.cpp:272 (33685504)